shader_language.cpp 385 KB

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  1. /**************************************************************************/
  2. /* shader_language.cpp */
  3. /**************************************************************************/
  4. /* This file is part of: */
  5. /* GODOT ENGINE */
  6. /* https://godotengine.org */
  7. /**************************************************************************/
  8. /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
  9. /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
  10. /* */
  11. /* Permission is hereby granted, free of charge, to any person obtaining */
  12. /* a copy of this software and associated documentation files (the */
  13. /* "Software"), to deal in the Software without restriction, including */
  14. /* without limitation the rights to use, copy, modify, merge, publish, */
  15. /* distribute, sublicense, and/or sell copies of the Software, and to */
  16. /* permit persons to whom the Software is furnished to do so, subject to */
  17. /* the following conditions: */
  18. /* */
  19. /* The above copyright notice and this permission notice shall be */
  20. /* included in all copies or substantial portions of the Software. */
  21. /* */
  22. /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
  23. /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
  24. /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
  25. /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
  26. /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
  27. /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
  28. /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
  29. /**************************************************************************/
  30. #include "shader_language.h"
  31. #include "core/os/os.h"
  32. #include "core/templates/local_vector.h"
  33. #include "servers/rendering/renderer_compositor.h"
  34. #include "servers/rendering_server.h"
  35. #include "shader_types.h"
  36. #define HAS_WARNING(flag) (warning_flags & flag)
  37. SafeNumeric<int> ShaderLanguage::instance_counter;
  38. String ShaderLanguage::get_operator_text(Operator p_op) {
  39. static const char *op_names[OP_MAX] = { "==",
  40. "!=",
  41. "<",
  42. "<=",
  43. ">",
  44. ">=",
  45. "&&",
  46. "||",
  47. "!",
  48. "-",
  49. "+",
  50. "-",
  51. "*",
  52. "/",
  53. "%",
  54. "<<",
  55. ">>",
  56. "=",
  57. "+=",
  58. "-=",
  59. "*=",
  60. "/=",
  61. "%=",
  62. "<<=",
  63. ">>=",
  64. "&=",
  65. "|=",
  66. "^=",
  67. "&",
  68. "|",
  69. "^",
  70. "~",
  71. "++",
  72. "--",
  73. "?",
  74. ":",
  75. "++",
  76. "--",
  77. "()",
  78. "construct",
  79. "index",
  80. "empty" };
  81. return op_names[p_op];
  82. }
  83. const char *ShaderLanguage::token_names[TK_MAX] = {
  84. "EMPTY",
  85. "IDENTIFIER",
  86. "TRUE",
  87. "FALSE",
  88. "FLOAT_CONSTANT",
  89. "INT_CONSTANT",
  90. "UINT_CONSTANT",
  91. "STRING_CONSTANT",
  92. "TYPE_VOID",
  93. "TYPE_BOOL",
  94. "TYPE_BVEC2",
  95. "TYPE_BVEC3",
  96. "TYPE_BVEC4",
  97. "TYPE_INT",
  98. "TYPE_IVEC2",
  99. "TYPE_IVEC3",
  100. "TYPE_IVEC4",
  101. "TYPE_UINT",
  102. "TYPE_UVEC2",
  103. "TYPE_UVEC3",
  104. "TYPE_UVEC4",
  105. "TYPE_FLOAT",
  106. "TYPE_VEC2",
  107. "TYPE_VEC3",
  108. "TYPE_VEC4",
  109. "TYPE_MAT2",
  110. "TYPE_MAT3",
  111. "TYPE_MAT4",
  112. "TYPE_SAMPLER2D",
  113. "TYPE_ISAMPLER2D",
  114. "TYPE_USAMPLER2D",
  115. "TYPE_SAMPLER2DARRAY",
  116. "TYPE_ISAMPLER2DARRAY",
  117. "TYPE_USAMPLER2DARRAY",
  118. "TYPE_SAMPLER3D",
  119. "TYPE_ISAMPLER3D",
  120. "TYPE_USAMPLER3D",
  121. "TYPE_SAMPLERCUBE",
  122. "TYPE_SAMPLERCUBEARRAY",
  123. "TYPE_SAMPLEREXT",
  124. "INTERPOLATION_FLAT",
  125. "INTERPOLATION_SMOOTH",
  126. "CONST",
  127. "STRUCT",
  128. "PRECISION_LOW",
  129. "PRECISION_MID",
  130. "PRECISION_HIGH",
  131. "OP_EQUAL",
  132. "OP_NOT_EQUAL",
  133. "OP_LESS",
  134. "OP_LESS_EQUAL",
  135. "OP_GREATER",
  136. "OP_GREATER_EQUAL",
  137. "OP_AND",
  138. "OP_OR",
  139. "OP_NOT",
  140. "OP_ADD",
  141. "OP_SUB",
  142. "OP_MUL",
  143. "OP_DIV",
  144. "OP_MOD",
  145. "OP_SHIFT_LEFT",
  146. "OP_SHIFT_RIGHT",
  147. "OP_ASSIGN",
  148. "OP_ASSIGN_ADD",
  149. "OP_ASSIGN_SUB",
  150. "OP_ASSIGN_MUL",
  151. "OP_ASSIGN_DIV",
  152. "OP_ASSIGN_MOD",
  153. "OP_ASSIGN_SHIFT_LEFT",
  154. "OP_ASSIGN_SHIFT_RIGHT",
  155. "OP_ASSIGN_BIT_AND",
  156. "OP_ASSIGN_BIT_OR",
  157. "OP_ASSIGN_BIT_XOR",
  158. "OP_BIT_AND",
  159. "OP_BIT_OR",
  160. "OP_BIT_XOR",
  161. "OP_BIT_INVERT",
  162. "OP_INCREMENT",
  163. "OP_DECREMENT",
  164. "CF_IF",
  165. "CF_ELSE",
  166. "CF_FOR",
  167. "CF_WHILE",
  168. "CF_DO",
  169. "CF_SWITCH",
  170. "CF_CASE",
  171. "CF_DEFAULT",
  172. "CF_BREAK",
  173. "CF_CONTINUE",
  174. "CF_RETURN",
  175. "CF_DISCARD",
  176. "BRACKET_OPEN",
  177. "BRACKET_CLOSE",
  178. "CURLY_BRACKET_OPEN",
  179. "CURLY_BRACKET_CLOSE",
  180. "PARENTHESIS_OPEN",
  181. "PARENTHESIS_CLOSE",
  182. "QUESTION",
  183. "COMMA",
  184. "COLON",
  185. "SEMICOLON",
  186. "PERIOD",
  187. "UNIFORM",
  188. "UNIFORM_GROUP",
  189. "INSTANCE",
  190. "GLOBAL",
  191. "VARYING",
  192. "ARG_IN",
  193. "ARG_OUT",
  194. "ARG_INOUT",
  195. "RENDER_MODE",
  196. "HINT_DEFAULT_WHITE_TEXTURE",
  197. "HINT_DEFAULT_BLACK_TEXTURE",
  198. "HINT_DEFAULT_TRANSPARENT_TEXTURE",
  199. "HINT_NORMAL_TEXTURE",
  200. "HINT_ROUGHNESS_NORMAL_TEXTURE",
  201. "HINT_ROUGHNESS_R",
  202. "HINT_ROUGHNESS_G",
  203. "HINT_ROUGHNESS_B",
  204. "HINT_ROUGHNESS_A",
  205. "HINT_ROUGHNESS_GRAY",
  206. "HINT_ANISOTROPY_TEXTURE",
  207. "HINT_SOURCE_COLOR",
  208. "HINT_RANGE",
  209. "HINT_ENUM",
  210. "HINT_INSTANCE_INDEX",
  211. "HINT_SCREEN_TEXTURE",
  212. "HINT_NORMAL_ROUGHNESS_TEXTURE",
  213. "HINT_DEPTH_TEXTURE",
  214. "FILTER_NEAREST",
  215. "FILTER_LINEAR",
  216. "FILTER_NEAREST_MIPMAP",
  217. "FILTER_LINEAR_MIPMAP",
  218. "FILTER_NEAREST_MIPMAP_ANISOTROPIC",
  219. "FILTER_LINEAR_MIPMAP_ANISOTROPIC",
  220. "REPEAT_ENABLE",
  221. "REPEAT_DISABLE",
  222. "SHADER_TYPE",
  223. "CURSOR",
  224. "ERROR",
  225. "EOF",
  226. };
  227. String ShaderLanguage::get_token_text(Token p_token) {
  228. String name = token_names[p_token.type];
  229. if (p_token.is_integer_constant() || p_token.type == TK_FLOAT_CONSTANT) {
  230. name += "(" + rtos(p_token.constant) + ")";
  231. } else if (p_token.type == TK_IDENTIFIER) {
  232. name += "(" + String(p_token.text) + ")";
  233. } else if (p_token.type == TK_ERROR) {
  234. name += "(" + String(p_token.text) + ")";
  235. }
  236. return name;
  237. }
  238. ShaderLanguage::Token ShaderLanguage::_make_token(TokenType p_type, const StringName &p_text) {
  239. Token tk;
  240. tk.type = p_type;
  241. tk.text = p_text;
  242. tk.line = tk_line;
  243. if (tk.type == TK_ERROR) {
  244. _set_error(p_text);
  245. }
  246. return tk;
  247. }
  248. enum ContextFlag : uint32_t {
  249. CF_UNSPECIFIED = 0U,
  250. CF_BLOCK = 1U, // "void test() { <x> }"
  251. CF_FUNC_DECL_PARAM_SPEC = 2U, // "void test(<x> int param) {}"
  252. CF_FUNC_DECL_PARAM_TYPE = 4U, // "void test(<x> param) {}"
  253. CF_IF_DECL = 8U, // "if(<x>) {}"
  254. CF_BOOLEAN = 16U, // "bool t = <x>;"
  255. CF_GLOBAL_SPACE = 32U, // "struct", "const", "void" etc.
  256. CF_DATATYPE = 64U, // "<x> value;"
  257. CF_UNIFORM_TYPE = 128U, // "uniform <x> myUniform;"
  258. CF_VARYING_TYPE = 256U, // "varying <x> myVarying;"
  259. CF_PRECISION_MODIFIER = 512U, // "<x> vec4 a = vec4(0.0, 1.0, 2.0, 3.0);"
  260. CF_INTERPOLATION_QUALIFIER = 1024U, // "varying <x> vec3 myColor;"
  261. CF_UNIFORM_KEYWORD = 2048U, // "uniform"
  262. CF_CONST_KEYWORD = 4096U, // "const"
  263. CF_UNIFORM_QUALIFIER = 8192U, // "<x> uniform float t;"
  264. CF_SHADER_TYPE = 16384U, // "shader_type"
  265. };
  266. const uint32_t KCF_DATATYPE = CF_BLOCK | CF_GLOBAL_SPACE | CF_DATATYPE | CF_FUNC_DECL_PARAM_TYPE | CF_UNIFORM_TYPE;
  267. const uint32_t KCF_SAMPLER_DATATYPE = CF_FUNC_DECL_PARAM_TYPE | CF_UNIFORM_TYPE;
  268. const ShaderLanguage::KeyWord ShaderLanguage::keyword_list[] = {
  269. { TK_TRUE, "true", CF_BLOCK | CF_IF_DECL | CF_BOOLEAN, {}, {} },
  270. { TK_FALSE, "false", CF_BLOCK | CF_IF_DECL | CF_BOOLEAN, {}, {} },
  271. // data types
  272. { TK_TYPE_VOID, "void", CF_GLOBAL_SPACE, {}, {} },
  273. { TK_TYPE_BOOL, "bool", KCF_DATATYPE, {}, {} },
  274. { TK_TYPE_BVEC2, "bvec2", KCF_DATATYPE, {}, {} },
  275. { TK_TYPE_BVEC3, "bvec3", KCF_DATATYPE, {}, {} },
  276. { TK_TYPE_BVEC4, "bvec4", KCF_DATATYPE, {}, {} },
  277. { TK_TYPE_INT, "int", KCF_DATATYPE, {}, {} },
  278. { TK_TYPE_IVEC2, "ivec2", KCF_DATATYPE, {}, {} },
  279. { TK_TYPE_IVEC3, "ivec3", KCF_DATATYPE, {}, {} },
  280. { TK_TYPE_IVEC4, "ivec4", KCF_DATATYPE, {}, {} },
  281. { TK_TYPE_UINT, "uint", KCF_DATATYPE, {}, {} },
  282. { TK_TYPE_UVEC2, "uvec2", KCF_DATATYPE, {}, {} },
  283. { TK_TYPE_UVEC3, "uvec3", KCF_DATATYPE, {}, {} },
  284. { TK_TYPE_UVEC4, "uvec4", KCF_DATATYPE, {}, {} },
  285. { TK_TYPE_FLOAT, "float", KCF_DATATYPE | CF_VARYING_TYPE, {}, {} },
  286. { TK_TYPE_VEC2, "vec2", KCF_DATATYPE | CF_VARYING_TYPE, {}, {} },
  287. { TK_TYPE_VEC3, "vec3", KCF_DATATYPE | CF_VARYING_TYPE, {}, {} },
  288. { TK_TYPE_VEC4, "vec4", KCF_DATATYPE | CF_VARYING_TYPE, {}, {} },
  289. { TK_TYPE_MAT2, "mat2", KCF_DATATYPE | CF_VARYING_TYPE, {}, {} },
  290. { TK_TYPE_MAT3, "mat3", KCF_DATATYPE | CF_VARYING_TYPE, {}, {} },
  291. { TK_TYPE_MAT4, "mat4", KCF_DATATYPE | CF_VARYING_TYPE, {}, {} },
  292. { TK_TYPE_SAMPLER2D, "sampler2D", KCF_SAMPLER_DATATYPE, {}, {} },
  293. { TK_TYPE_ISAMPLER2D, "isampler2D", KCF_SAMPLER_DATATYPE, {}, {} },
  294. { TK_TYPE_USAMPLER2D, "usampler2D", KCF_SAMPLER_DATATYPE, {}, {} },
  295. { TK_TYPE_SAMPLER2DARRAY, "sampler2DArray", KCF_SAMPLER_DATATYPE, {}, {} },
  296. { TK_TYPE_ISAMPLER2DARRAY, "isampler2DArray", KCF_SAMPLER_DATATYPE, {}, {} },
  297. { TK_TYPE_USAMPLER2DARRAY, "usampler2DArray", KCF_SAMPLER_DATATYPE, {}, {} },
  298. { TK_TYPE_SAMPLER3D, "sampler3D", KCF_SAMPLER_DATATYPE, {}, {} },
  299. { TK_TYPE_ISAMPLER3D, "isampler3D", KCF_SAMPLER_DATATYPE, {}, {} },
  300. { TK_TYPE_USAMPLER3D, "usampler3D", KCF_SAMPLER_DATATYPE, {}, {} },
  301. { TK_TYPE_SAMPLERCUBE, "samplerCube", KCF_SAMPLER_DATATYPE, {}, {} },
  302. { TK_TYPE_SAMPLERCUBEARRAY, "samplerCubeArray", KCF_SAMPLER_DATATYPE, {}, {} },
  303. { TK_TYPE_SAMPLEREXT, "samplerExternalOES", KCF_SAMPLER_DATATYPE, {}, {} },
  304. // interpolation qualifiers
  305. { TK_INTERPOLATION_FLAT, "flat", CF_INTERPOLATION_QUALIFIER, {}, {} },
  306. { TK_INTERPOLATION_SMOOTH, "smooth", CF_INTERPOLATION_QUALIFIER, {}, {} },
  307. // precision modifiers
  308. { TK_PRECISION_LOW, "lowp", CF_BLOCK | CF_PRECISION_MODIFIER, {}, {} },
  309. { TK_PRECISION_MID, "mediump", CF_BLOCK | CF_PRECISION_MODIFIER, {}, {} },
  310. { TK_PRECISION_HIGH, "highp", CF_BLOCK | CF_PRECISION_MODIFIER, {}, {} },
  311. // global space keywords
  312. { TK_UNIFORM, "uniform", CF_GLOBAL_SPACE | CF_UNIFORM_KEYWORD, {}, {} },
  313. { TK_UNIFORM_GROUP, "group_uniforms", CF_GLOBAL_SPACE, {}, {} },
  314. { TK_VARYING, "varying", CF_GLOBAL_SPACE, { "particles", "sky", "fog" }, {} },
  315. { TK_CONST, "const", CF_BLOCK | CF_GLOBAL_SPACE | CF_CONST_KEYWORD, {}, {} },
  316. { TK_STRUCT, "struct", CF_GLOBAL_SPACE, {}, {} },
  317. { TK_SHADER_TYPE, "shader_type", CF_SHADER_TYPE, {}, {} },
  318. { TK_RENDER_MODE, "render_mode", CF_GLOBAL_SPACE, {}, {} },
  319. // uniform qualifiers
  320. { TK_INSTANCE, "instance", CF_GLOBAL_SPACE | CF_UNIFORM_QUALIFIER, {}, {} },
  321. { TK_GLOBAL, "global", CF_GLOBAL_SPACE | CF_UNIFORM_QUALIFIER, {}, {} },
  322. // block keywords
  323. { TK_CF_IF, "if", CF_BLOCK, {}, {} },
  324. { TK_CF_ELSE, "else", CF_BLOCK, {}, {} },
  325. { TK_CF_FOR, "for", CF_BLOCK, {}, {} },
  326. { TK_CF_WHILE, "while", CF_BLOCK, {}, {} },
  327. { TK_CF_DO, "do", CF_BLOCK, {}, {} },
  328. { TK_CF_SWITCH, "switch", CF_BLOCK, {}, {} },
  329. { TK_CF_CASE, "case", CF_BLOCK, {}, {} },
  330. { TK_CF_DEFAULT, "default", CF_BLOCK, {}, {} },
  331. { TK_CF_BREAK, "break", CF_BLOCK, {}, {} },
  332. { TK_CF_CONTINUE, "continue", CF_BLOCK, {}, {} },
  333. { TK_CF_RETURN, "return", CF_BLOCK, {}, {} },
  334. { TK_CF_DISCARD, "discard", CF_BLOCK, { "particles", "sky", "fog" }, { "vertex" } },
  335. // function specifier keywords
  336. { TK_ARG_IN, "in", CF_FUNC_DECL_PARAM_SPEC, {}, {} },
  337. { TK_ARG_OUT, "out", CF_FUNC_DECL_PARAM_SPEC, {}, {} },
  338. { TK_ARG_INOUT, "inout", CF_FUNC_DECL_PARAM_SPEC, {}, {} },
  339. // hints
  340. { TK_HINT_SOURCE_COLOR, "source_color", CF_UNSPECIFIED, {}, {} },
  341. { TK_HINT_RANGE, "hint_range", CF_UNSPECIFIED, {}, {} },
  342. { TK_HINT_ENUM, "hint_enum", CF_UNSPECIFIED, {}, {} },
  343. { TK_HINT_INSTANCE_INDEX, "instance_index", CF_UNSPECIFIED, {}, {} },
  344. // sampler hints
  345. { TK_HINT_NORMAL_TEXTURE, "hint_normal", CF_UNSPECIFIED, {}, {} },
  346. { TK_HINT_DEFAULT_WHITE_TEXTURE, "hint_default_white", CF_UNSPECIFIED, {}, {} },
  347. { TK_HINT_DEFAULT_BLACK_TEXTURE, "hint_default_black", CF_UNSPECIFIED, {}, {} },
  348. { TK_HINT_DEFAULT_TRANSPARENT_TEXTURE, "hint_default_transparent", CF_UNSPECIFIED, {}, {} },
  349. { TK_HINT_ANISOTROPY_TEXTURE, "hint_anisotropy", CF_UNSPECIFIED, {}, {} },
  350. { TK_HINT_ROUGHNESS_R, "hint_roughness_r", CF_UNSPECIFIED, {}, {} },
  351. { TK_HINT_ROUGHNESS_G, "hint_roughness_g", CF_UNSPECIFIED, {}, {} },
  352. { TK_HINT_ROUGHNESS_B, "hint_roughness_b", CF_UNSPECIFIED, {}, {} },
  353. { TK_HINT_ROUGHNESS_A, "hint_roughness_a", CF_UNSPECIFIED, {}, {} },
  354. { TK_HINT_ROUGHNESS_NORMAL_TEXTURE, "hint_roughness_normal", CF_UNSPECIFIED, {}, {} },
  355. { TK_HINT_ROUGHNESS_GRAY, "hint_roughness_gray", CF_UNSPECIFIED, {}, {} },
  356. { TK_HINT_SCREEN_TEXTURE, "hint_screen_texture", CF_UNSPECIFIED, {}, {} },
  357. { TK_HINT_NORMAL_ROUGHNESS_TEXTURE, "hint_normal_roughness_texture", CF_UNSPECIFIED, {}, {} },
  358. { TK_HINT_DEPTH_TEXTURE, "hint_depth_texture", CF_UNSPECIFIED, {}, {} },
  359. { TK_FILTER_NEAREST, "filter_nearest", CF_UNSPECIFIED, {}, {} },
  360. { TK_FILTER_LINEAR, "filter_linear", CF_UNSPECIFIED, {}, {} },
  361. { TK_FILTER_NEAREST_MIPMAP, "filter_nearest_mipmap", CF_UNSPECIFIED, {}, {} },
  362. { TK_FILTER_LINEAR_MIPMAP, "filter_linear_mipmap", CF_UNSPECIFIED, {}, {} },
  363. { TK_FILTER_NEAREST_MIPMAP_ANISOTROPIC, "filter_nearest_mipmap_anisotropic", CF_UNSPECIFIED, {}, {} },
  364. { TK_FILTER_LINEAR_MIPMAP_ANISOTROPIC, "filter_linear_mipmap_anisotropic", CF_UNSPECIFIED, {}, {} },
  365. { TK_REPEAT_ENABLE, "repeat_enable", CF_UNSPECIFIED, {}, {} },
  366. { TK_REPEAT_DISABLE, "repeat_disable", CF_UNSPECIFIED, {}, {} },
  367. { TK_ERROR, nullptr, CF_UNSPECIFIED, {}, {} }
  368. };
  369. ShaderLanguage::Token ShaderLanguage::_get_token() {
  370. #define GETCHAR(m_idx) (((char_idx + m_idx) < code.length()) ? code[char_idx + m_idx] : char32_t(0))
  371. while (true) {
  372. char_idx++;
  373. switch (GETCHAR(-1)) {
  374. case 0:
  375. return _make_token(TK_EOF);
  376. case 0xFFFF:
  377. return _make_token(TK_CURSOR); //for completion
  378. case '\t':
  379. case '\r':
  380. case ' ':
  381. continue;
  382. case '\n':
  383. tk_line++;
  384. continue;
  385. case '/': {
  386. switch (GETCHAR(0)) {
  387. case '*': { // block comment
  388. char_idx++;
  389. while (true) {
  390. if (GETCHAR(0) == 0) {
  391. return _make_token(TK_EOF);
  392. }
  393. if (GETCHAR(0) == '*' && GETCHAR(1) == '/') {
  394. char_idx += 2;
  395. break;
  396. } else if (GETCHAR(0) == '\n') {
  397. tk_line++;
  398. }
  399. char_idx++;
  400. }
  401. } break;
  402. case '/': { // line comment skip
  403. while (true) {
  404. if (GETCHAR(0) == '\n') {
  405. tk_line++;
  406. char_idx++;
  407. break;
  408. }
  409. if (GETCHAR(0) == 0) {
  410. return _make_token(TK_EOF);
  411. }
  412. char_idx++;
  413. }
  414. } break;
  415. case '=': { // diveq
  416. char_idx++;
  417. return _make_token(TK_OP_ASSIGN_DIV);
  418. } break;
  419. default:
  420. return _make_token(TK_OP_DIV);
  421. }
  422. continue; //a comment, continue to next token
  423. } break;
  424. case '=': {
  425. if (GETCHAR(0) == '=') {
  426. char_idx++;
  427. return _make_token(TK_OP_EQUAL);
  428. }
  429. return _make_token(TK_OP_ASSIGN);
  430. } break;
  431. case '<': {
  432. if (GETCHAR(0) == '=') {
  433. char_idx++;
  434. return _make_token(TK_OP_LESS_EQUAL);
  435. } else if (GETCHAR(0) == '<') {
  436. char_idx++;
  437. if (GETCHAR(0) == '=') {
  438. char_idx++;
  439. return _make_token(TK_OP_ASSIGN_SHIFT_LEFT);
  440. }
  441. return _make_token(TK_OP_SHIFT_LEFT);
  442. }
  443. return _make_token(TK_OP_LESS);
  444. } break;
  445. case '>': {
  446. if (GETCHAR(0) == '=') {
  447. char_idx++;
  448. return _make_token(TK_OP_GREATER_EQUAL);
  449. } else if (GETCHAR(0) == '>') {
  450. char_idx++;
  451. if (GETCHAR(0) == '=') {
  452. char_idx++;
  453. return _make_token(TK_OP_ASSIGN_SHIFT_RIGHT);
  454. }
  455. return _make_token(TK_OP_SHIFT_RIGHT);
  456. }
  457. return _make_token(TK_OP_GREATER);
  458. } break;
  459. case '!': {
  460. if (GETCHAR(0) == '=') {
  461. char_idx++;
  462. return _make_token(TK_OP_NOT_EQUAL);
  463. }
  464. return _make_token(TK_OP_NOT);
  465. } break;
  466. case '"': {
  467. String _content = "";
  468. bool _previous_backslash = false;
  469. while (true) {
  470. bool _ended = false;
  471. char32_t c = GETCHAR(0);
  472. if (c == 0) {
  473. return _make_token(TK_ERROR, "EOF reached before string termination.");
  474. }
  475. switch (c) {
  476. case '"': {
  477. if (_previous_backslash) {
  478. _content += '"';
  479. _previous_backslash = false;
  480. } else {
  481. _ended = true;
  482. }
  483. break;
  484. }
  485. case '\\': {
  486. if (_previous_backslash) {
  487. _content += '\\';
  488. }
  489. _previous_backslash = !_previous_backslash;
  490. break;
  491. }
  492. case '\n': {
  493. return _make_token(TK_ERROR, "Unexpected end of string.");
  494. }
  495. default: {
  496. if (!_previous_backslash) {
  497. _content += c;
  498. } else {
  499. return _make_token(TK_ERROR, "Only \\\" and \\\\ escape characters supported.");
  500. }
  501. break;
  502. }
  503. }
  504. char_idx++;
  505. if (_ended) {
  506. break;
  507. }
  508. }
  509. return _make_token(TK_STRING_CONSTANT, _content);
  510. } break;
  511. //case '\'' //string - no strings in shader
  512. case '{':
  513. return _make_token(TK_CURLY_BRACKET_OPEN);
  514. case '}':
  515. return _make_token(TK_CURLY_BRACKET_CLOSE);
  516. case '[':
  517. return _make_token(TK_BRACKET_OPEN);
  518. case ']':
  519. return _make_token(TK_BRACKET_CLOSE);
  520. case '(':
  521. return _make_token(TK_PARENTHESIS_OPEN);
  522. case ')':
  523. return _make_token(TK_PARENTHESIS_CLOSE);
  524. case ',':
  525. return _make_token(TK_COMMA);
  526. case ';':
  527. return _make_token(TK_SEMICOLON);
  528. case '?':
  529. return _make_token(TK_QUESTION);
  530. case ':':
  531. return _make_token(TK_COLON);
  532. case '^':
  533. if (GETCHAR(0) == '=') {
  534. char_idx++;
  535. return _make_token(TK_OP_ASSIGN_BIT_XOR);
  536. }
  537. return _make_token(TK_OP_BIT_XOR);
  538. case '~':
  539. return _make_token(TK_OP_BIT_INVERT);
  540. case '&': {
  541. if (GETCHAR(0) == '=') {
  542. char_idx++;
  543. return _make_token(TK_OP_ASSIGN_BIT_AND);
  544. } else if (GETCHAR(0) == '&') {
  545. char_idx++;
  546. return _make_token(TK_OP_AND);
  547. }
  548. return _make_token(TK_OP_BIT_AND);
  549. } break;
  550. case '|': {
  551. if (GETCHAR(0) == '=') {
  552. char_idx++;
  553. return _make_token(TK_OP_ASSIGN_BIT_OR);
  554. } else if (GETCHAR(0) == '|') {
  555. char_idx++;
  556. return _make_token(TK_OP_OR);
  557. }
  558. return _make_token(TK_OP_BIT_OR);
  559. } break;
  560. case '*': {
  561. if (GETCHAR(0) == '=') {
  562. char_idx++;
  563. return _make_token(TK_OP_ASSIGN_MUL);
  564. }
  565. return _make_token(TK_OP_MUL);
  566. } break;
  567. case '+': {
  568. if (GETCHAR(0) == '=') {
  569. char_idx++;
  570. return _make_token(TK_OP_ASSIGN_ADD);
  571. } else if (GETCHAR(0) == '+') {
  572. char_idx++;
  573. return _make_token(TK_OP_INCREMENT);
  574. }
  575. return _make_token(TK_OP_ADD);
  576. } break;
  577. case '-': {
  578. if (GETCHAR(0) == '=') {
  579. char_idx++;
  580. return _make_token(TK_OP_ASSIGN_SUB);
  581. } else if (GETCHAR(0) == '-') {
  582. char_idx++;
  583. return _make_token(TK_OP_DECREMENT);
  584. }
  585. return _make_token(TK_OP_SUB);
  586. } break;
  587. case '%': {
  588. if (GETCHAR(0) == '=') {
  589. char_idx++;
  590. return _make_token(TK_OP_ASSIGN_MOD);
  591. }
  592. return _make_token(TK_OP_MOD);
  593. } break;
  594. case '@': {
  595. if (GETCHAR(0) == '@' && GETCHAR(1) == '>') {
  596. char_idx += 2;
  597. LocalVector<char32_t> incp;
  598. while (GETCHAR(0) != '\n') {
  599. incp.push_back(GETCHAR(0));
  600. char_idx++;
  601. }
  602. incp.push_back(0); // Zero end it.
  603. String include_path(incp.ptr());
  604. include_positions.write[include_positions.size() - 1].line = tk_line;
  605. String marker = ">>" + include_path;
  606. if (!include_markers_handled.has(marker)) {
  607. include_markers_handled.insert(marker);
  608. FilePosition fp;
  609. fp.file = include_path;
  610. fp.line = 0;
  611. tk_line = 0;
  612. include_positions.push_back(fp);
  613. }
  614. } else if (GETCHAR(0) == '@' && GETCHAR(1) == '<') {
  615. char_idx += 2;
  616. LocalVector<char32_t> incp;
  617. while (GETCHAR(0) != '\n') {
  618. incp.push_back(GETCHAR(0));
  619. char_idx++;
  620. }
  621. incp.push_back(0); // Zero end it.
  622. String include_path(incp.ptr());
  623. String marker = "<<" + include_path;
  624. if (!include_markers_handled.has(marker)) {
  625. include_markers_handled.insert(marker);
  626. if (include_positions.size() == 1) {
  627. return _make_token(TK_ERROR, "Invalid include exit hint @@< without matching enter hint.");
  628. }
  629. include_positions.resize(include_positions.size() - 1); // Pop back.
  630. }
  631. tk_line = include_positions[include_positions.size() - 1].line - 1; // Restore line.
  632. } else {
  633. return _make_token(TK_ERROR, "Invalid include enter/exit hint token (@@> and @@<)");
  634. }
  635. } break;
  636. default: {
  637. char_idx--; //go back one, since we have no idea what this is
  638. if (is_digit(GETCHAR(0)) || (GETCHAR(0) == '.' && is_digit(GETCHAR(1)))) {
  639. // parse number
  640. bool hexa_found = false;
  641. bool period_found = false;
  642. bool exponent_found = false;
  643. bool float_suffix_found = false;
  644. bool uint_suffix_found = false;
  645. bool end_suffix_found = false;
  646. enum {
  647. CASE_ALL,
  648. CASE_HEXA_PERIOD,
  649. CASE_EXPONENT,
  650. CASE_SIGN_AFTER_EXPONENT,
  651. CASE_NONE,
  652. CASE_MAX,
  653. } lut_case = CASE_ALL;
  654. static bool suffix_lut[CASE_MAX][127];
  655. if (!is_const_suffix_lut_initialized) {
  656. is_const_suffix_lut_initialized = true;
  657. for (int i = 0; i < 127; i++) {
  658. char t = char(i);
  659. suffix_lut[CASE_ALL][i] = t == '.' || t == 'x' || t == 'e' || t == 'f' || t == 'u' || t == '-' || t == '+';
  660. suffix_lut[CASE_HEXA_PERIOD][i] = t == 'e' || t == 'f' || t == 'u';
  661. suffix_lut[CASE_EXPONENT][i] = t == 'f' || t == '-' || t == '+';
  662. suffix_lut[CASE_SIGN_AFTER_EXPONENT][i] = t == 'f';
  663. suffix_lut[CASE_NONE][i] = false;
  664. }
  665. }
  666. String str;
  667. int i = 0;
  668. bool digit_after_exp = false;
  669. while (true) {
  670. const char32_t symbol = String::char_lowercase(GETCHAR(i));
  671. bool error = false;
  672. if (is_digit(symbol)) {
  673. if (exponent_found) {
  674. digit_after_exp = true;
  675. }
  676. if (end_suffix_found) {
  677. error = true;
  678. }
  679. } else {
  680. if (symbol < 0x7F && suffix_lut[lut_case][symbol]) {
  681. if (symbol == 'x') {
  682. hexa_found = true;
  683. lut_case = CASE_HEXA_PERIOD;
  684. } else if (symbol == '.') {
  685. period_found = true;
  686. lut_case = CASE_HEXA_PERIOD;
  687. } else if (symbol == 'e' && !hexa_found) {
  688. exponent_found = true;
  689. lut_case = CASE_EXPONENT;
  690. } else if (symbol == 'f' && !hexa_found) {
  691. if (!period_found && !exponent_found) {
  692. error = true;
  693. }
  694. float_suffix_found = true;
  695. end_suffix_found = true;
  696. lut_case = CASE_NONE;
  697. } else if (symbol == 'u') {
  698. uint_suffix_found = true;
  699. end_suffix_found = true;
  700. lut_case = CASE_NONE;
  701. } else if (symbol == '-' || symbol == '+') {
  702. if (exponent_found) {
  703. lut_case = CASE_SIGN_AFTER_EXPONENT;
  704. } else {
  705. break;
  706. }
  707. }
  708. } else if (!hexa_found || !is_hex_digit(symbol)) {
  709. if (is_ascii_identifier_char(symbol)) {
  710. error = true;
  711. } else {
  712. break;
  713. }
  714. }
  715. }
  716. if (error) {
  717. if (hexa_found) {
  718. return _make_token(TK_ERROR, "Invalid (hexadecimal) numeric constant");
  719. }
  720. if (period_found || exponent_found || float_suffix_found) {
  721. return _make_token(TK_ERROR, "Invalid (float) numeric constant");
  722. }
  723. if (uint_suffix_found) {
  724. return _make_token(TK_ERROR, "Invalid (unsigned integer) numeric constant");
  725. }
  726. return _make_token(TK_ERROR, "Invalid (integer) numeric constant");
  727. }
  728. str += symbol;
  729. i++;
  730. }
  731. char32_t last_char = str[str.length() - 1];
  732. if (hexa_found) { // Integer (hex).
  733. if (uint_suffix_found) {
  734. // Strip the suffix.
  735. str = str.left(str.length() - 1);
  736. // Compensate reading cursor position.
  737. char_idx += 1;
  738. }
  739. if (str.size() > 11 || !str.is_valid_hex_number(true)) { // > 0xFFFFFFFF
  740. return _make_token(TK_ERROR, "Invalid (hexadecimal) numeric constant");
  741. }
  742. } else if (period_found || exponent_found || float_suffix_found) { // Float
  743. if (exponent_found && (!digit_after_exp || (!is_digit(last_char) && last_char != 'f'))) { // Checks for eg: "2E", "2E-", "2E+" and 0ef, 0e+f, 0.0ef, 0.0e-f (exponent without digit after it).
  744. return _make_token(TK_ERROR, "Invalid (float) numeric constant");
  745. }
  746. if (period_found) {
  747. if (float_suffix_found) {
  748. //checks for eg "1.f" or "1.99f" notations
  749. if (last_char != 'f') {
  750. return _make_token(TK_ERROR, "Invalid (float) numeric constant");
  751. }
  752. } else {
  753. //checks for eg. "1." or "1.99" notations
  754. if (last_char != '.' && !is_digit(last_char)) {
  755. return _make_token(TK_ERROR, "Invalid (float) numeric constant");
  756. }
  757. }
  758. } else if (float_suffix_found) {
  759. // if no period found the float suffix must be the last character, like in "2f" for "2.0"
  760. if (last_char != 'f') {
  761. return _make_token(TK_ERROR, "Invalid (float) numeric constant");
  762. }
  763. }
  764. if (float_suffix_found) {
  765. // Strip the suffix.
  766. str = str.left(str.length() - 1);
  767. // Compensate reading cursor position.
  768. char_idx += 1;
  769. }
  770. if (!str.is_valid_float()) {
  771. return _make_token(TK_ERROR, "Invalid (float) numeric constant");
  772. }
  773. } else { // Integer
  774. if (uint_suffix_found) {
  775. // Strip the suffix.
  776. str = str.left(str.length() - 1);
  777. // Compensate reading cursor position.
  778. char_idx += 1;
  779. }
  780. if (!str.is_valid_int()) {
  781. if (uint_suffix_found) {
  782. return _make_token(TK_ERROR, "Invalid (unsigned integer) numeric constant");
  783. } else {
  784. return _make_token(TK_ERROR, "Invalid (integer) numeric constant");
  785. }
  786. }
  787. }
  788. char_idx += str.length();
  789. Token tk;
  790. if (period_found || exponent_found || float_suffix_found) {
  791. tk.type = TK_FLOAT_CONSTANT;
  792. } else if (uint_suffix_found) {
  793. tk.type = TK_UINT_CONSTANT;
  794. } else {
  795. tk.type = TK_INT_CONSTANT;
  796. }
  797. if (hexa_found) {
  798. tk.constant = (double)str.hex_to_int();
  799. } else {
  800. tk.constant = str.to_float();
  801. }
  802. tk.line = tk_line;
  803. return tk;
  804. }
  805. if (GETCHAR(0) == '.') {
  806. //parse period
  807. char_idx++;
  808. return _make_token(TK_PERIOD);
  809. }
  810. if (is_ascii_identifier_char(GETCHAR(0))) {
  811. // parse identifier
  812. String str;
  813. while (is_ascii_identifier_char(GETCHAR(0))) {
  814. str += char32_t(GETCHAR(0));
  815. char_idx++;
  816. }
  817. //see if keyword
  818. //should be converted to a static map
  819. int idx = 0;
  820. while (keyword_list[idx].text) {
  821. if (str == keyword_list[idx].text) {
  822. return _make_token(keyword_list[idx].token);
  823. }
  824. idx++;
  825. }
  826. str = str.replace("dus_", "_");
  827. return _make_token(TK_IDENTIFIER, str);
  828. }
  829. if (GETCHAR(0) > 32) {
  830. return _make_token(TK_ERROR, "Tokenizer: Unknown character #" + itos(GETCHAR(0)) + ": '" + String::chr(GETCHAR(0)) + "'");
  831. } else {
  832. return _make_token(TK_ERROR, "Tokenizer: Unknown character #" + itos(GETCHAR(0)));
  833. }
  834. } break;
  835. }
  836. }
  837. ERR_PRINT("BUG");
  838. return Token();
  839. #undef GETCHAR
  840. }
  841. bool ShaderLanguage::_lookup_next(Token &r_tk) {
  842. TkPos pre_pos = _get_tkpos();
  843. int line = pre_pos.tk_line;
  844. _get_token();
  845. Token tk = _get_token();
  846. _set_tkpos(pre_pos);
  847. if (tk.line == line) {
  848. r_tk = tk;
  849. return true;
  850. }
  851. return false;
  852. }
  853. ShaderLanguage::Token ShaderLanguage::_peek() {
  854. TkPos pre_pos = _get_tkpos();
  855. Token tk = _get_token();
  856. _set_tkpos(pre_pos);
  857. return tk;
  858. }
  859. String ShaderLanguage::token_debug(const String &p_code) {
  860. clear();
  861. code = p_code;
  862. String output;
  863. Token tk = _get_token();
  864. while (tk.type != TK_EOF && tk.type != TK_ERROR) {
  865. output += itos(tk_line) + ": " + get_token_text(tk) + "\n";
  866. tk = _get_token();
  867. }
  868. return output;
  869. }
  870. bool ShaderLanguage::is_token_variable_datatype(TokenType p_type) {
  871. return (
  872. p_type == TK_TYPE_VOID ||
  873. p_type == TK_TYPE_BOOL ||
  874. p_type == TK_TYPE_BVEC2 ||
  875. p_type == TK_TYPE_BVEC3 ||
  876. p_type == TK_TYPE_BVEC4 ||
  877. p_type == TK_TYPE_INT ||
  878. p_type == TK_TYPE_IVEC2 ||
  879. p_type == TK_TYPE_IVEC3 ||
  880. p_type == TK_TYPE_IVEC4 ||
  881. p_type == TK_TYPE_UINT ||
  882. p_type == TK_TYPE_UVEC2 ||
  883. p_type == TK_TYPE_UVEC3 ||
  884. p_type == TK_TYPE_UVEC4 ||
  885. p_type == TK_TYPE_FLOAT ||
  886. p_type == TK_TYPE_VEC2 ||
  887. p_type == TK_TYPE_VEC3 ||
  888. p_type == TK_TYPE_VEC4 ||
  889. p_type == TK_TYPE_MAT2 ||
  890. p_type == TK_TYPE_MAT3 ||
  891. p_type == TK_TYPE_MAT4);
  892. }
  893. bool ShaderLanguage::is_token_datatype(TokenType p_type) {
  894. return (
  895. p_type == TK_TYPE_VOID ||
  896. p_type == TK_TYPE_BOOL ||
  897. p_type == TK_TYPE_BVEC2 ||
  898. p_type == TK_TYPE_BVEC3 ||
  899. p_type == TK_TYPE_BVEC4 ||
  900. p_type == TK_TYPE_INT ||
  901. p_type == TK_TYPE_IVEC2 ||
  902. p_type == TK_TYPE_IVEC3 ||
  903. p_type == TK_TYPE_IVEC4 ||
  904. p_type == TK_TYPE_UINT ||
  905. p_type == TK_TYPE_UVEC2 ||
  906. p_type == TK_TYPE_UVEC3 ||
  907. p_type == TK_TYPE_UVEC4 ||
  908. p_type == TK_TYPE_FLOAT ||
  909. p_type == TK_TYPE_VEC2 ||
  910. p_type == TK_TYPE_VEC3 ||
  911. p_type == TK_TYPE_VEC4 ||
  912. p_type == TK_TYPE_MAT2 ||
  913. p_type == TK_TYPE_MAT3 ||
  914. p_type == TK_TYPE_MAT4 ||
  915. p_type == TK_TYPE_SAMPLER2D ||
  916. p_type == TK_TYPE_ISAMPLER2D ||
  917. p_type == TK_TYPE_USAMPLER2D ||
  918. p_type == TK_TYPE_SAMPLER2DARRAY ||
  919. p_type == TK_TYPE_ISAMPLER2DARRAY ||
  920. p_type == TK_TYPE_USAMPLER2DARRAY ||
  921. p_type == TK_TYPE_SAMPLER3D ||
  922. p_type == TK_TYPE_ISAMPLER3D ||
  923. p_type == TK_TYPE_USAMPLER3D ||
  924. p_type == TK_TYPE_SAMPLERCUBE ||
  925. p_type == TK_TYPE_SAMPLERCUBEARRAY ||
  926. p_type == TK_TYPE_SAMPLEREXT);
  927. }
  928. ShaderLanguage::DataType ShaderLanguage::get_token_datatype(TokenType p_type) {
  929. return DataType(p_type - TK_TYPE_VOID);
  930. }
  931. bool ShaderLanguage::is_token_interpolation(TokenType p_type) {
  932. return (
  933. p_type == TK_INTERPOLATION_FLAT ||
  934. p_type == TK_INTERPOLATION_SMOOTH);
  935. }
  936. ShaderLanguage::DataInterpolation ShaderLanguage::get_token_interpolation(TokenType p_type) {
  937. if (p_type == TK_INTERPOLATION_FLAT) {
  938. return INTERPOLATION_FLAT;
  939. } else {
  940. return INTERPOLATION_SMOOTH;
  941. }
  942. }
  943. bool ShaderLanguage::is_token_precision(TokenType p_type) {
  944. return (
  945. p_type == TK_PRECISION_LOW ||
  946. p_type == TK_PRECISION_MID ||
  947. p_type == TK_PRECISION_HIGH);
  948. }
  949. bool ShaderLanguage::is_token_arg_qual(TokenType p_type) {
  950. return (
  951. p_type == TK_ARG_IN ||
  952. p_type == TK_ARG_OUT ||
  953. p_type == TK_ARG_INOUT);
  954. }
  955. ShaderLanguage::DataPrecision ShaderLanguage::get_token_precision(TokenType p_type) {
  956. if (p_type == TK_PRECISION_LOW) {
  957. return PRECISION_LOWP;
  958. } else if (p_type == TK_PRECISION_HIGH) {
  959. return PRECISION_HIGHP;
  960. } else {
  961. return PRECISION_MEDIUMP;
  962. }
  963. }
  964. String ShaderLanguage::get_precision_name(DataPrecision p_type) {
  965. switch (p_type) {
  966. case PRECISION_LOWP:
  967. return "lowp";
  968. case PRECISION_MEDIUMP:
  969. return "mediump";
  970. case PRECISION_HIGHP:
  971. return "highp";
  972. default:
  973. break;
  974. }
  975. return "";
  976. }
  977. String ShaderLanguage::get_interpolation_name(DataInterpolation p_interpolation) {
  978. switch (p_interpolation) {
  979. case INTERPOLATION_FLAT:
  980. return "flat";
  981. case INTERPOLATION_SMOOTH:
  982. return "smooth";
  983. default:
  984. break;
  985. }
  986. return "";
  987. }
  988. String ShaderLanguage::get_datatype_name(DataType p_type) {
  989. switch (p_type) {
  990. case TYPE_VOID:
  991. return "void";
  992. case TYPE_BOOL:
  993. return "bool";
  994. case TYPE_BVEC2:
  995. return "bvec2";
  996. case TYPE_BVEC3:
  997. return "bvec3";
  998. case TYPE_BVEC4:
  999. return "bvec4";
  1000. case TYPE_INT:
  1001. return "int";
  1002. case TYPE_IVEC2:
  1003. return "ivec2";
  1004. case TYPE_IVEC3:
  1005. return "ivec3";
  1006. case TYPE_IVEC4:
  1007. return "ivec4";
  1008. case TYPE_UINT:
  1009. return "uint";
  1010. case TYPE_UVEC2:
  1011. return "uvec2";
  1012. case TYPE_UVEC3:
  1013. return "uvec3";
  1014. case TYPE_UVEC4:
  1015. return "uvec4";
  1016. case TYPE_FLOAT:
  1017. return "float";
  1018. case TYPE_VEC2:
  1019. return "vec2";
  1020. case TYPE_VEC3:
  1021. return "vec3";
  1022. case TYPE_VEC4:
  1023. return "vec4";
  1024. case TYPE_MAT2:
  1025. return "mat2";
  1026. case TYPE_MAT3:
  1027. return "mat3";
  1028. case TYPE_MAT4:
  1029. return "mat4";
  1030. case TYPE_SAMPLER2D:
  1031. return "sampler2D";
  1032. case TYPE_ISAMPLER2D:
  1033. return "isampler2D";
  1034. case TYPE_USAMPLER2D:
  1035. return "usampler2D";
  1036. case TYPE_SAMPLER2DARRAY:
  1037. return "sampler2DArray";
  1038. case TYPE_ISAMPLER2DARRAY:
  1039. return "isampler2DArray";
  1040. case TYPE_USAMPLER2DARRAY:
  1041. return "usampler2DArray";
  1042. case TYPE_SAMPLER3D:
  1043. return "sampler3D";
  1044. case TYPE_ISAMPLER3D:
  1045. return "isampler3D";
  1046. case TYPE_USAMPLER3D:
  1047. return "usampler3D";
  1048. case TYPE_SAMPLERCUBE:
  1049. return "samplerCube";
  1050. case TYPE_SAMPLERCUBEARRAY:
  1051. return "samplerCubeArray";
  1052. case TYPE_SAMPLEREXT:
  1053. return "samplerExternalOES";
  1054. case TYPE_STRUCT:
  1055. return "struct";
  1056. case TYPE_MAX:
  1057. return "invalid";
  1058. }
  1059. return "";
  1060. }
  1061. String ShaderLanguage::get_uniform_hint_name(ShaderNode::Uniform::Hint p_hint) {
  1062. String result;
  1063. switch (p_hint) {
  1064. case ShaderNode::Uniform::HINT_RANGE: {
  1065. result = "hint_range";
  1066. } break;
  1067. case ShaderNode::Uniform::HINT_ENUM: {
  1068. result = "hint_enum";
  1069. } break;
  1070. case ShaderNode::Uniform::HINT_SOURCE_COLOR: {
  1071. result = "source_color";
  1072. } break;
  1073. case ShaderNode::Uniform::HINT_NORMAL: {
  1074. result = "hint_normal";
  1075. } break;
  1076. case ShaderNode::Uniform::HINT_ROUGHNESS_NORMAL: {
  1077. result = "hint_roughness_normal";
  1078. } break;
  1079. case ShaderNode::Uniform::HINT_ROUGHNESS_R: {
  1080. result = "hint_roughness_r";
  1081. } break;
  1082. case ShaderNode::Uniform::HINT_ROUGHNESS_G: {
  1083. result = "hint_roughness_g";
  1084. } break;
  1085. case ShaderNode::Uniform::HINT_ROUGHNESS_B: {
  1086. result = "hint_roughness_b";
  1087. } break;
  1088. case ShaderNode::Uniform::HINT_ROUGHNESS_A: {
  1089. result = "hint_roughness_a";
  1090. } break;
  1091. case ShaderNode::Uniform::HINT_ROUGHNESS_GRAY: {
  1092. result = "hint_roughness_gray";
  1093. } break;
  1094. case ShaderNode::Uniform::HINT_DEFAULT_BLACK: {
  1095. result = "hint_default_black";
  1096. } break;
  1097. case ShaderNode::Uniform::HINT_DEFAULT_WHITE: {
  1098. result = "hint_default_white";
  1099. } break;
  1100. case ShaderNode::Uniform::HINT_DEFAULT_TRANSPARENT: {
  1101. result = "hint_default_transparent";
  1102. } break;
  1103. case ShaderNode::Uniform::HINT_ANISOTROPY: {
  1104. result = "hint_anisotropy";
  1105. } break;
  1106. case ShaderNode::Uniform::HINT_SCREEN_TEXTURE: {
  1107. result = "hint_screen_texture";
  1108. } break;
  1109. case ShaderNode::Uniform::HINT_NORMAL_ROUGHNESS_TEXTURE: {
  1110. result = "hint_normal_roughness_texture";
  1111. } break;
  1112. case ShaderNode::Uniform::HINT_DEPTH_TEXTURE: {
  1113. result = "hint_depth_texture";
  1114. } break;
  1115. default:
  1116. break;
  1117. }
  1118. return result;
  1119. }
  1120. String ShaderLanguage::get_texture_filter_name(TextureFilter p_filter) {
  1121. String result;
  1122. switch (p_filter) {
  1123. case FILTER_NEAREST: {
  1124. result = "filter_nearest";
  1125. } break;
  1126. case FILTER_LINEAR: {
  1127. result = "filter_linear";
  1128. } break;
  1129. case FILTER_NEAREST_MIPMAP: {
  1130. result = "filter_nearest_mipmap";
  1131. } break;
  1132. case FILTER_LINEAR_MIPMAP: {
  1133. result = "filter_linear_mipmap";
  1134. } break;
  1135. case FILTER_NEAREST_MIPMAP_ANISOTROPIC: {
  1136. result = "filter_nearest_mipmap_anisotropic";
  1137. } break;
  1138. case FILTER_LINEAR_MIPMAP_ANISOTROPIC: {
  1139. result = "filter_linear_mipmap_anisotropic";
  1140. } break;
  1141. default: {
  1142. } break;
  1143. }
  1144. return result;
  1145. }
  1146. String ShaderLanguage::get_texture_repeat_name(TextureRepeat p_repeat) {
  1147. String result;
  1148. switch (p_repeat) {
  1149. case REPEAT_DISABLE: {
  1150. result = "repeat_disable";
  1151. } break;
  1152. case REPEAT_ENABLE: {
  1153. result = "repeat_enable";
  1154. } break;
  1155. default: {
  1156. } break;
  1157. }
  1158. return result;
  1159. }
  1160. bool ShaderLanguage::is_token_nonvoid_datatype(TokenType p_type) {
  1161. return is_token_datatype(p_type) && p_type != TK_TYPE_VOID;
  1162. }
  1163. void ShaderLanguage::clear() {
  1164. current_function = StringName();
  1165. last_name = StringName();
  1166. last_type = IDENTIFIER_MAX;
  1167. current_uniform_group_name = "";
  1168. current_uniform_subgroup_name = "";
  1169. current_uniform_hint = ShaderNode::Uniform::HINT_NONE;
  1170. current_uniform_filter = FILTER_DEFAULT;
  1171. current_uniform_repeat = REPEAT_DEFAULT;
  1172. current_uniform_instance_index_defined = false;
  1173. completion_type = COMPLETION_NONE;
  1174. completion_block = nullptr;
  1175. completion_function = StringName();
  1176. completion_class = TAG_GLOBAL;
  1177. completion_struct = StringName();
  1178. completion_base = TYPE_VOID;
  1179. completion_base_array = false;
  1180. include_positions.clear();
  1181. include_positions.push_back(FilePosition());
  1182. include_markers_handled.clear();
  1183. calls_info.clear();
  1184. function_overload_count.clear();
  1185. #ifdef DEBUG_ENABLED
  1186. keyword_completion_context = CF_UNSPECIFIED;
  1187. used_constants.clear();
  1188. used_varyings.clear();
  1189. used_uniforms.clear();
  1190. used_functions.clear();
  1191. used_structs.clear();
  1192. used_local_vars.clear();
  1193. warnings.clear();
  1194. #endif // DEBUG_ENABLED
  1195. error_line = 0;
  1196. tk_line = 1;
  1197. char_idx = 0;
  1198. error_set = false;
  1199. error_str = "";
  1200. is_const_decl = false;
  1201. while (nodes) {
  1202. Node *n = nodes;
  1203. nodes = nodes->next;
  1204. memdelete(n);
  1205. }
  1206. }
  1207. #ifdef DEBUG_ENABLED
  1208. void ShaderLanguage::_parse_used_identifier(const StringName &p_identifier, IdentifierType p_type, const StringName &p_function) {
  1209. switch (p_type) {
  1210. case IdentifierType::IDENTIFIER_CONSTANT:
  1211. if (HAS_WARNING(ShaderWarning::UNUSED_CONSTANT_FLAG) && used_constants.has(p_identifier)) {
  1212. used_constants[p_identifier].used = true;
  1213. }
  1214. break;
  1215. case IdentifierType::IDENTIFIER_VARYING:
  1216. if (HAS_WARNING(ShaderWarning::UNUSED_VARYING_FLAG) && used_varyings.has(p_identifier)) {
  1217. if (shader->varyings[p_identifier].stage != ShaderNode::Varying::STAGE_VERTEX && shader->varyings[p_identifier].stage != ShaderNode::Varying::STAGE_FRAGMENT) {
  1218. used_varyings[p_identifier].used = true;
  1219. }
  1220. }
  1221. break;
  1222. case IdentifierType::IDENTIFIER_UNIFORM:
  1223. if (HAS_WARNING(ShaderWarning::UNUSED_UNIFORM_FLAG) && used_uniforms.has(p_identifier)) {
  1224. used_uniforms[p_identifier].used = true;
  1225. }
  1226. break;
  1227. case IdentifierType::IDENTIFIER_FUNCTION:
  1228. if (HAS_WARNING(ShaderWarning::UNUSED_FUNCTION_FLAG) && used_functions.has(p_identifier)) {
  1229. used_functions[p_identifier].used = true;
  1230. }
  1231. break;
  1232. case IdentifierType::IDENTIFIER_LOCAL_VAR:
  1233. if (HAS_WARNING(ShaderWarning::UNUSED_LOCAL_VARIABLE_FLAG) && used_local_vars.has(p_function) && used_local_vars[p_function].has(p_identifier)) {
  1234. used_local_vars[p_function][p_identifier].used = true;
  1235. }
  1236. break;
  1237. default:
  1238. break;
  1239. }
  1240. }
  1241. #endif // DEBUG_ENABLED
  1242. bool ShaderLanguage::_find_identifier(const BlockNode *p_block, bool p_allow_reassign, const FunctionInfo &p_function_info, const StringName &p_identifier, DataType *r_data_type, IdentifierType *r_type, bool *r_is_const, int *r_array_size, StringName *r_struct_name, Vector<Scalar> *r_constant_values) {
  1243. if (is_shader_inc) {
  1244. for (int i = 0; i < RenderingServer::SHADER_MAX; i++) {
  1245. for (const KeyValue<StringName, FunctionInfo> &E : ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(i))) {
  1246. if ((current_function == E.key || E.key == "global" || E.key == "constants") && E.value.built_ins.has(p_identifier)) {
  1247. if (r_data_type) {
  1248. *r_data_type = E.value.built_ins[p_identifier].type;
  1249. }
  1250. if (r_is_const) {
  1251. *r_is_const = E.value.built_ins[p_identifier].constant;
  1252. }
  1253. if (r_type) {
  1254. *r_type = IDENTIFIER_BUILTIN_VAR;
  1255. }
  1256. return true;
  1257. }
  1258. }
  1259. }
  1260. } else {
  1261. if (p_function_info.built_ins.has(p_identifier)) {
  1262. if (r_data_type) {
  1263. *r_data_type = p_function_info.built_ins[p_identifier].type;
  1264. }
  1265. if (r_is_const) {
  1266. *r_is_const = p_function_info.built_ins[p_identifier].constant;
  1267. }
  1268. if (r_type) {
  1269. *r_type = IDENTIFIER_BUILTIN_VAR;
  1270. }
  1271. return true;
  1272. }
  1273. }
  1274. if (p_function_info.stage_functions.has(p_identifier)) {
  1275. if (r_data_type) {
  1276. *r_data_type = p_function_info.stage_functions[p_identifier].return_type;
  1277. }
  1278. if (r_is_const) {
  1279. *r_is_const = true;
  1280. }
  1281. if (r_type) {
  1282. *r_type = IDENTIFIER_FUNCTION;
  1283. }
  1284. return true;
  1285. }
  1286. FunctionNode *function = nullptr;
  1287. while (p_block) {
  1288. if (p_block->variables.has(p_identifier)) {
  1289. if (r_data_type) {
  1290. *r_data_type = p_block->variables[p_identifier].type;
  1291. }
  1292. if (r_is_const) {
  1293. *r_is_const = p_block->variables[p_identifier].is_const;
  1294. }
  1295. if (r_array_size) {
  1296. *r_array_size = p_block->variables[p_identifier].array_size;
  1297. }
  1298. if (r_struct_name) {
  1299. *r_struct_name = p_block->variables[p_identifier].struct_name;
  1300. }
  1301. if (r_constant_values && !p_block->variables[p_identifier].values.is_empty()) {
  1302. *r_constant_values = p_block->variables[p_identifier].values;
  1303. }
  1304. if (r_type) {
  1305. *r_type = IDENTIFIER_LOCAL_VAR;
  1306. }
  1307. return true;
  1308. }
  1309. if (p_block->parent_function) {
  1310. function = p_block->parent_function;
  1311. break;
  1312. } else {
  1313. if (p_allow_reassign) {
  1314. break;
  1315. }
  1316. ERR_FAIL_NULL_V(p_block->parent_block, false);
  1317. p_block = p_block->parent_block;
  1318. }
  1319. }
  1320. if (function) {
  1321. for (int i = 0; i < function->arguments.size(); i++) {
  1322. if (function->arguments[i].name == p_identifier) {
  1323. if (r_data_type) {
  1324. *r_data_type = function->arguments[i].type;
  1325. }
  1326. if (r_struct_name) {
  1327. *r_struct_name = function->arguments[i].struct_name;
  1328. }
  1329. if (r_array_size) {
  1330. *r_array_size = function->arguments[i].array_size;
  1331. }
  1332. if (r_is_const) {
  1333. *r_is_const = function->arguments[i].is_const;
  1334. }
  1335. if (r_type) {
  1336. *r_type = IDENTIFIER_FUNCTION_ARGUMENT;
  1337. }
  1338. return true;
  1339. }
  1340. }
  1341. }
  1342. if (shader->varyings.has(p_identifier)) {
  1343. if (r_data_type) {
  1344. *r_data_type = shader->varyings[p_identifier].type;
  1345. }
  1346. if (r_array_size) {
  1347. *r_array_size = shader->varyings[p_identifier].array_size;
  1348. }
  1349. if (r_type) {
  1350. *r_type = IDENTIFIER_VARYING;
  1351. }
  1352. return true;
  1353. }
  1354. if (shader->uniforms.has(p_identifier)) {
  1355. if (r_data_type) {
  1356. *r_data_type = shader->uniforms[p_identifier].type;
  1357. }
  1358. if (r_array_size) {
  1359. *r_array_size = shader->uniforms[p_identifier].array_size;
  1360. }
  1361. if (r_type) {
  1362. *r_type = IDENTIFIER_UNIFORM;
  1363. }
  1364. return true;
  1365. }
  1366. if (shader->constants.has(p_identifier)) {
  1367. if (r_is_const) {
  1368. *r_is_const = true;
  1369. }
  1370. if (r_data_type) {
  1371. *r_data_type = shader->constants[p_identifier].type;
  1372. }
  1373. if (r_array_size) {
  1374. *r_array_size = shader->constants[p_identifier].array_size;
  1375. }
  1376. if (r_struct_name) {
  1377. *r_struct_name = shader->constants[p_identifier].struct_name;
  1378. }
  1379. if (r_constant_values) {
  1380. if (shader->constants[p_identifier].initializer && !shader->constants[p_identifier].initializer->get_values().is_empty()) {
  1381. *r_constant_values = shader->constants[p_identifier].initializer->get_values();
  1382. }
  1383. }
  1384. if (r_type) {
  1385. *r_type = IDENTIFIER_CONSTANT;
  1386. }
  1387. return true;
  1388. }
  1389. for (int i = 0; i < shader->vfunctions.size(); i++) {
  1390. if (!shader->vfunctions[i].callable) {
  1391. continue;
  1392. }
  1393. if (shader->vfunctions[i].name == p_identifier) {
  1394. if (r_data_type) {
  1395. *r_data_type = shader->vfunctions[i].function->return_type;
  1396. }
  1397. if (r_array_size) {
  1398. *r_array_size = shader->vfunctions[i].function->return_array_size;
  1399. }
  1400. if (r_type) {
  1401. *r_type = IDENTIFIER_FUNCTION;
  1402. }
  1403. return true;
  1404. }
  1405. }
  1406. return false;
  1407. }
  1408. bool ShaderLanguage::_validate_operator(const BlockNode *p_block, OperatorNode *p_op, DataType *r_ret_type, int *r_ret_size) {
  1409. bool valid = false;
  1410. DataType ret_type = TYPE_VOID;
  1411. int ret_size = 0;
  1412. switch (p_op->op) {
  1413. case OP_EQUAL:
  1414. case OP_NOT_EQUAL: {
  1415. if ((!p_op->arguments[0]->is_indexed() && p_op->arguments[0]->get_array_size() > 0) || (!p_op->arguments[1]->is_indexed() && p_op->arguments[1]->get_array_size() > 0)) {
  1416. break; // don't accept arrays
  1417. }
  1418. DataType na = p_op->arguments[0]->get_datatype();
  1419. DataType nb = p_op->arguments[1]->get_datatype();
  1420. valid = na == nb;
  1421. ret_type = TYPE_BOOL;
  1422. } break;
  1423. case OP_LESS:
  1424. case OP_LESS_EQUAL:
  1425. case OP_GREATER:
  1426. case OP_GREATER_EQUAL: {
  1427. if ((!p_op->arguments[0]->is_indexed() && p_op->arguments[0]->get_array_size() > 0) || (!p_op->arguments[1]->is_indexed() && p_op->arguments[1]->get_array_size() > 0)) {
  1428. break; // don't accept arrays
  1429. }
  1430. DataType na = p_op->arguments[0]->get_datatype();
  1431. DataType nb = p_op->arguments[1]->get_datatype();
  1432. valid = na == nb && (na == TYPE_UINT || na == TYPE_INT || na == TYPE_FLOAT);
  1433. ret_type = TYPE_BOOL;
  1434. } break;
  1435. case OP_AND:
  1436. case OP_OR: {
  1437. if ((!p_op->arguments[0]->is_indexed() && p_op->arguments[0]->get_array_size() > 0) || (!p_op->arguments[1]->is_indexed() && p_op->arguments[1]->get_array_size() > 0)) {
  1438. break; // don't accept arrays
  1439. }
  1440. DataType na = p_op->arguments[0]->get_datatype();
  1441. DataType nb = p_op->arguments[1]->get_datatype();
  1442. valid = na == nb && na == TYPE_BOOL;
  1443. ret_type = TYPE_BOOL;
  1444. } break;
  1445. case OP_NOT: {
  1446. if (!p_op->arguments[0]->is_indexed() && p_op->arguments[0]->get_array_size() > 0) {
  1447. break; // don't accept arrays
  1448. }
  1449. DataType na = p_op->arguments[0]->get_datatype();
  1450. valid = na == TYPE_BOOL;
  1451. ret_type = TYPE_BOOL;
  1452. } break;
  1453. case OP_INCREMENT:
  1454. case OP_DECREMENT:
  1455. case OP_POST_INCREMENT:
  1456. case OP_POST_DECREMENT:
  1457. case OP_NEGATE: {
  1458. if (!p_op->arguments[0]->is_indexed() && p_op->arguments[0]->get_array_size() > 0) {
  1459. break; // don't accept arrays
  1460. }
  1461. DataType na = p_op->arguments[0]->get_datatype();
  1462. valid = na > TYPE_BVEC4 && na < TYPE_MAT2;
  1463. ret_type = na;
  1464. } break;
  1465. case OP_ADD:
  1466. case OP_SUB:
  1467. case OP_MUL:
  1468. case OP_DIV: {
  1469. if ((!p_op->arguments[0]->is_indexed() && p_op->arguments[0]->get_array_size() > 0) || (!p_op->arguments[1]->is_indexed() && p_op->arguments[1]->get_array_size() > 0)) {
  1470. break; // don't accept arrays
  1471. }
  1472. DataType na = p_op->arguments[0]->get_datatype();
  1473. DataType nb = p_op->arguments[1]->get_datatype();
  1474. if (na > nb) {
  1475. //make things easier;
  1476. SWAP(na, nb);
  1477. }
  1478. if (na == nb) {
  1479. valid = (na > TYPE_BVEC4 && na <= TYPE_MAT4);
  1480. ret_type = na;
  1481. } else if (na == TYPE_INT && nb == TYPE_IVEC2) {
  1482. valid = true;
  1483. ret_type = TYPE_IVEC2;
  1484. } else if (na == TYPE_INT && nb == TYPE_IVEC3) {
  1485. valid = true;
  1486. ret_type = TYPE_IVEC3;
  1487. } else if (na == TYPE_INT && nb == TYPE_IVEC4) {
  1488. valid = true;
  1489. ret_type = TYPE_IVEC4;
  1490. } else if (na == TYPE_UINT && nb == TYPE_UVEC2) {
  1491. valid = true;
  1492. ret_type = TYPE_UVEC2;
  1493. } else if (na == TYPE_UINT && nb == TYPE_UVEC3) {
  1494. valid = true;
  1495. ret_type = TYPE_UVEC3;
  1496. } else if (na == TYPE_UINT && nb == TYPE_UVEC4) {
  1497. valid = true;
  1498. ret_type = TYPE_UVEC4;
  1499. } else if (na == TYPE_FLOAT && nb == TYPE_VEC2) {
  1500. valid = true;
  1501. ret_type = TYPE_VEC2;
  1502. } else if (na == TYPE_FLOAT && nb == TYPE_VEC3) {
  1503. valid = true;
  1504. ret_type = TYPE_VEC3;
  1505. } else if (na == TYPE_FLOAT && nb == TYPE_VEC4) {
  1506. valid = true;
  1507. ret_type = TYPE_VEC4;
  1508. } else if (na == TYPE_FLOAT && nb == TYPE_MAT2) {
  1509. valid = true;
  1510. ret_type = TYPE_MAT2;
  1511. } else if (na == TYPE_FLOAT && nb == TYPE_MAT3) {
  1512. valid = true;
  1513. ret_type = TYPE_MAT3;
  1514. } else if (na == TYPE_FLOAT && nb == TYPE_MAT4) {
  1515. valid = true;
  1516. ret_type = TYPE_MAT4;
  1517. } else if (p_op->op == OP_MUL && na == TYPE_VEC2 && nb == TYPE_MAT2) {
  1518. valid = true;
  1519. ret_type = TYPE_VEC2;
  1520. } else if (p_op->op == OP_MUL && na == TYPE_VEC3 && nb == TYPE_MAT3) {
  1521. valid = true;
  1522. ret_type = TYPE_VEC3;
  1523. } else if (p_op->op == OP_MUL && na == TYPE_VEC4 && nb == TYPE_MAT4) {
  1524. valid = true;
  1525. ret_type = TYPE_VEC4;
  1526. }
  1527. } break;
  1528. case OP_ASSIGN_MOD:
  1529. case OP_MOD: {
  1530. /*
  1531. * The operator modulus (%) operates on signed or unsigned integers or integer vectors. The operand
  1532. * types must both be signed or both be unsigned. The operands cannot be vectors of differing size. If
  1533. * one operand is a scalar and the other vector, then the scalar is applied component-wise to the vector,
  1534. * resulting in the same type as the vector. If both are vectors of the same size, the result is computed
  1535. * component-wise.
  1536. */
  1537. if ((!p_op->arguments[0]->is_indexed() && p_op->arguments[0]->get_array_size() > 0) || (!p_op->arguments[1]->is_indexed() && p_op->arguments[1]->get_array_size() > 0)) {
  1538. break; // don't accept arrays
  1539. }
  1540. DataType na = p_op->arguments[0]->get_datatype();
  1541. DataType nb = p_op->arguments[1]->get_datatype();
  1542. if (na == TYPE_INT && nb == TYPE_INT) {
  1543. valid = true;
  1544. ret_type = TYPE_INT;
  1545. } else if (na == TYPE_IVEC2 && nb == TYPE_INT) {
  1546. valid = true;
  1547. ret_type = TYPE_IVEC2;
  1548. } else if (na == TYPE_IVEC3 && nb == TYPE_INT) {
  1549. valid = true;
  1550. ret_type = TYPE_IVEC3;
  1551. } else if (na == TYPE_IVEC4 && nb == TYPE_INT) {
  1552. valid = true;
  1553. ret_type = TYPE_IVEC4;
  1554. } else if (na == TYPE_IVEC2 && nb == TYPE_IVEC2) {
  1555. valid = true;
  1556. ret_type = TYPE_IVEC2;
  1557. } else if (na == TYPE_IVEC3 && nb == TYPE_IVEC3) {
  1558. valid = true;
  1559. ret_type = TYPE_IVEC3;
  1560. } else if (na == TYPE_IVEC4 && nb == TYPE_IVEC4) {
  1561. valid = true;
  1562. ret_type = TYPE_IVEC4;
  1563. /////
  1564. } else if (na == TYPE_UINT && nb == TYPE_UINT) {
  1565. valid = true;
  1566. ret_type = TYPE_UINT;
  1567. } else if (na == TYPE_UVEC2 && nb == TYPE_UINT) {
  1568. valid = true;
  1569. ret_type = TYPE_UVEC2;
  1570. } else if (na == TYPE_UVEC3 && nb == TYPE_UINT) {
  1571. valid = true;
  1572. ret_type = TYPE_UVEC3;
  1573. } else if (na == TYPE_UVEC4 && nb == TYPE_UINT) {
  1574. valid = true;
  1575. ret_type = TYPE_UVEC4;
  1576. } else if (na == TYPE_UVEC2 && nb == TYPE_UVEC2) {
  1577. valid = true;
  1578. ret_type = TYPE_UVEC2;
  1579. } else if (na == TYPE_UVEC3 && nb == TYPE_UVEC3) {
  1580. valid = true;
  1581. ret_type = TYPE_UVEC3;
  1582. } else if (na == TYPE_UVEC4 && nb == TYPE_UVEC4) {
  1583. valid = true;
  1584. ret_type = TYPE_UVEC4;
  1585. }
  1586. } break;
  1587. case OP_ASSIGN_SHIFT_LEFT:
  1588. case OP_ASSIGN_SHIFT_RIGHT:
  1589. case OP_SHIFT_LEFT:
  1590. case OP_SHIFT_RIGHT: {
  1591. if ((!p_op->arguments[0]->is_indexed() && p_op->arguments[0]->get_array_size() > 0) || (!p_op->arguments[1]->is_indexed() && p_op->arguments[1]->get_array_size() > 0)) {
  1592. break; // don't accept arrays
  1593. }
  1594. DataType na = p_op->arguments[0]->get_datatype();
  1595. DataType nb = p_op->arguments[1]->get_datatype();
  1596. if (na == TYPE_INT && nb == TYPE_INT) {
  1597. valid = true;
  1598. ret_type = TYPE_INT;
  1599. } else if (na == TYPE_IVEC2 && nb == TYPE_INT) {
  1600. valid = true;
  1601. ret_type = TYPE_IVEC2;
  1602. } else if (na == TYPE_IVEC3 && nb == TYPE_INT) {
  1603. valid = true;
  1604. ret_type = TYPE_IVEC3;
  1605. } else if (na == TYPE_IVEC4 && nb == TYPE_INT) {
  1606. valid = true;
  1607. ret_type = TYPE_IVEC4;
  1608. } else if (na == TYPE_IVEC2 && nb == TYPE_IVEC2) {
  1609. valid = true;
  1610. ret_type = TYPE_IVEC2;
  1611. } else if (na == TYPE_IVEC3 && nb == TYPE_IVEC3) {
  1612. valid = true;
  1613. ret_type = TYPE_IVEC3;
  1614. } else if (na == TYPE_IVEC4 && nb == TYPE_IVEC4) {
  1615. valid = true;
  1616. ret_type = TYPE_IVEC4;
  1617. } else if (na == TYPE_UINT && nb == TYPE_UINT) {
  1618. valid = true;
  1619. ret_type = TYPE_UINT;
  1620. } else if (na == TYPE_UVEC2 && nb == TYPE_UINT) {
  1621. valid = true;
  1622. ret_type = TYPE_UVEC2;
  1623. } else if (na == TYPE_UVEC3 && nb == TYPE_UINT) {
  1624. valid = true;
  1625. ret_type = TYPE_UVEC3;
  1626. } else if (na == TYPE_UVEC4 && nb == TYPE_UINT) {
  1627. valid = true;
  1628. ret_type = TYPE_UVEC4;
  1629. } else if (na == TYPE_UVEC2 && nb == TYPE_UVEC2) {
  1630. valid = true;
  1631. ret_type = TYPE_UVEC2;
  1632. } else if (na == TYPE_UVEC3 && nb == TYPE_UVEC3) {
  1633. valid = true;
  1634. ret_type = TYPE_UVEC3;
  1635. } else if (na == TYPE_UVEC4 && nb == TYPE_UVEC4) {
  1636. valid = true;
  1637. ret_type = TYPE_UVEC4;
  1638. }
  1639. } break;
  1640. case OP_ASSIGN: {
  1641. int sa = 0;
  1642. int sb = 0;
  1643. if (!p_op->arguments[0]->is_indexed()) {
  1644. sa = p_op->arguments[0]->get_array_size();
  1645. }
  1646. if (!p_op->arguments[1]->is_indexed()) {
  1647. sb = p_op->arguments[1]->get_array_size();
  1648. }
  1649. if (sa != sb) {
  1650. break; // don't accept arrays if their sizes are not equal
  1651. }
  1652. DataType na = p_op->arguments[0]->get_datatype();
  1653. DataType nb = p_op->arguments[1]->get_datatype();
  1654. if (na == TYPE_STRUCT || nb == TYPE_STRUCT) {
  1655. valid = p_op->arguments[0]->get_datatype_name() == p_op->arguments[1]->get_datatype_name();
  1656. } else {
  1657. valid = na == nb;
  1658. }
  1659. ret_type = na;
  1660. ret_size = sa;
  1661. } break;
  1662. case OP_ASSIGN_ADD:
  1663. case OP_ASSIGN_SUB:
  1664. case OP_ASSIGN_MUL:
  1665. case OP_ASSIGN_DIV: {
  1666. int sa = 0;
  1667. int sb = 0;
  1668. if (!p_op->arguments[0]->is_indexed()) {
  1669. sa = p_op->arguments[0]->get_array_size();
  1670. }
  1671. if (!p_op->arguments[1]->is_indexed()) {
  1672. sb = p_op->arguments[1]->get_array_size();
  1673. }
  1674. if (sa > 0 || sb > 0) {
  1675. break; // don't accept arrays
  1676. }
  1677. DataType na = p_op->arguments[0]->get_datatype();
  1678. DataType nb = p_op->arguments[1]->get_datatype();
  1679. if (na == nb) {
  1680. valid = (na > TYPE_BVEC4 && na <= TYPE_MAT4);
  1681. ret_type = na;
  1682. } else if (na == TYPE_IVEC2 && nb == TYPE_INT) {
  1683. valid = true;
  1684. ret_type = TYPE_IVEC2;
  1685. } else if (na == TYPE_IVEC3 && nb == TYPE_INT) {
  1686. valid = true;
  1687. ret_type = TYPE_IVEC3;
  1688. } else if (na == TYPE_IVEC4 && nb == TYPE_INT) {
  1689. valid = true;
  1690. ret_type = TYPE_IVEC4;
  1691. } else if (na == TYPE_UVEC2 && nb == TYPE_UINT) {
  1692. valid = true;
  1693. ret_type = TYPE_UVEC2;
  1694. } else if (na == TYPE_UVEC3 && nb == TYPE_UINT) {
  1695. valid = true;
  1696. ret_type = TYPE_UVEC3;
  1697. } else if (na == TYPE_UVEC4 && nb == TYPE_UINT) {
  1698. valid = true;
  1699. ret_type = TYPE_UVEC4;
  1700. } else if (na == TYPE_VEC2 && nb == TYPE_FLOAT) {
  1701. valid = true;
  1702. ret_type = TYPE_VEC2;
  1703. } else if (na == TYPE_VEC3 && nb == TYPE_FLOAT) {
  1704. valid = true;
  1705. ret_type = TYPE_VEC3;
  1706. } else if (na == TYPE_VEC4 && nb == TYPE_FLOAT) {
  1707. valid = true;
  1708. ret_type = TYPE_VEC4;
  1709. } else if (na == TYPE_MAT2 && nb == TYPE_FLOAT) {
  1710. valid = true;
  1711. ret_type = TYPE_MAT2;
  1712. } else if (na == TYPE_MAT3 && nb == TYPE_FLOAT) {
  1713. valid = true;
  1714. ret_type = TYPE_MAT3;
  1715. } else if (na == TYPE_MAT4 && nb == TYPE_FLOAT) {
  1716. valid = true;
  1717. ret_type = TYPE_MAT4;
  1718. } else if (p_op->op == OP_ASSIGN_MUL && na == TYPE_VEC2 && nb == TYPE_MAT2) {
  1719. valid = true;
  1720. ret_type = TYPE_VEC2;
  1721. } else if (p_op->op == OP_ASSIGN_MUL && na == TYPE_VEC3 && nb == TYPE_MAT3) {
  1722. valid = true;
  1723. ret_type = TYPE_VEC3;
  1724. } else if (p_op->op == OP_ASSIGN_MUL && na == TYPE_VEC4 && nb == TYPE_MAT4) {
  1725. valid = true;
  1726. ret_type = TYPE_VEC4;
  1727. }
  1728. } break;
  1729. case OP_ASSIGN_BIT_AND:
  1730. case OP_ASSIGN_BIT_OR:
  1731. case OP_ASSIGN_BIT_XOR:
  1732. case OP_BIT_AND:
  1733. case OP_BIT_OR:
  1734. case OP_BIT_XOR: {
  1735. /*
  1736. * The bitwise operators and (&), exclusive-or (^), and inclusive-or (|). The operands must be of type
  1737. * signed or unsigned integers or integer vectors. The operands cannot be vectors of differing size. If
  1738. * one operand is a scalar and the other a vector, the scalar is applied component-wise to the vector,
  1739. * resulting in the same type as the vector. The fundamental types of the operands (signed or unsigned)
  1740. * must match.
  1741. */
  1742. int sa = 0;
  1743. int sb = 0;
  1744. if (!p_op->arguments[0]->is_indexed()) {
  1745. sa = p_op->arguments[0]->get_array_size();
  1746. }
  1747. if (!p_op->arguments[1]->is_indexed()) {
  1748. sb = p_op->arguments[1]->get_array_size();
  1749. }
  1750. if (sa > 0 || sb > 0) {
  1751. break; // don't accept arrays
  1752. }
  1753. DataType na = p_op->arguments[0]->get_datatype();
  1754. DataType nb = p_op->arguments[1]->get_datatype();
  1755. if (na > nb && p_op->op >= OP_BIT_AND) {
  1756. //can swap for non assign
  1757. SWAP(na, nb);
  1758. }
  1759. if (na == TYPE_INT && nb == TYPE_INT) {
  1760. valid = true;
  1761. ret_type = TYPE_INT;
  1762. } else if (na == TYPE_IVEC2 && nb == TYPE_INT) {
  1763. valid = true;
  1764. ret_type = TYPE_IVEC2;
  1765. } else if (na == TYPE_IVEC3 && nb == TYPE_INT) {
  1766. valid = true;
  1767. ret_type = TYPE_IVEC3;
  1768. } else if (na == TYPE_IVEC4 && nb == TYPE_INT) {
  1769. valid = true;
  1770. ret_type = TYPE_IVEC4;
  1771. } else if (na == TYPE_IVEC2 && nb == TYPE_IVEC2) {
  1772. valid = true;
  1773. ret_type = TYPE_IVEC2;
  1774. } else if (na == TYPE_IVEC3 && nb == TYPE_IVEC3) {
  1775. valid = true;
  1776. ret_type = TYPE_IVEC3;
  1777. } else if (na == TYPE_IVEC4 && nb == TYPE_IVEC4) {
  1778. valid = true;
  1779. ret_type = TYPE_IVEC4;
  1780. /////
  1781. } else if (na == TYPE_UINT && nb == TYPE_UINT) {
  1782. valid = true;
  1783. ret_type = TYPE_UINT;
  1784. } else if (na == TYPE_UVEC2 && nb == TYPE_UINT) {
  1785. valid = true;
  1786. ret_type = TYPE_UVEC2;
  1787. } else if (na == TYPE_UVEC3 && nb == TYPE_UINT) {
  1788. valid = true;
  1789. ret_type = TYPE_UVEC3;
  1790. } else if (na == TYPE_UVEC4 && nb == TYPE_UINT) {
  1791. valid = true;
  1792. ret_type = TYPE_UVEC4;
  1793. } else if (na == TYPE_UVEC2 && nb == TYPE_UVEC2) {
  1794. valid = true;
  1795. ret_type = TYPE_UVEC2;
  1796. } else if (na == TYPE_UVEC3 && nb == TYPE_UVEC3) {
  1797. valid = true;
  1798. ret_type = TYPE_UVEC3;
  1799. } else if (na == TYPE_UVEC4 && nb == TYPE_UVEC4) {
  1800. valid = true;
  1801. ret_type = TYPE_UVEC4;
  1802. }
  1803. } break;
  1804. case OP_BIT_INVERT: { //unaries
  1805. if (!p_op->arguments[0]->is_indexed() && p_op->arguments[0]->get_array_size() > 0) {
  1806. break; // don't accept arrays
  1807. }
  1808. DataType na = p_op->arguments[0]->get_datatype();
  1809. valid = na >= TYPE_INT && na < TYPE_FLOAT;
  1810. ret_type = na;
  1811. } break;
  1812. case OP_SELECT_IF: {
  1813. int sa = 0;
  1814. int sb = 0;
  1815. if (!p_op->arguments[1]->is_indexed()) {
  1816. sa = p_op->arguments[1]->get_array_size();
  1817. }
  1818. if (!p_op->arguments[2]->is_indexed()) {
  1819. sb = p_op->arguments[2]->get_array_size();
  1820. }
  1821. if (sa != sb) {
  1822. break; // don't accept arrays if their sizes are not equal
  1823. }
  1824. DataType na = p_op->arguments[0]->get_datatype();
  1825. DataType nb = p_op->arguments[1]->get_datatype();
  1826. DataType nc = p_op->arguments[2]->get_datatype();
  1827. valid = na == TYPE_BOOL && (nb == nc);
  1828. ret_type = nb;
  1829. ret_size = sa;
  1830. } break;
  1831. default: {
  1832. ERR_FAIL_V(false);
  1833. }
  1834. }
  1835. if (r_ret_type) {
  1836. *r_ret_type = ret_type;
  1837. }
  1838. if (r_ret_size) {
  1839. *r_ret_size = ret_size;
  1840. }
  1841. if (valid && (!p_block || p_block->use_op_eval)) {
  1842. // Need to be placed here and not in the `_reduce_expression` because otherwise expressions like `1 + 2 / 2` will not work correctly.
  1843. valid = _eval_operator(p_block, p_op);
  1844. }
  1845. return valid;
  1846. }
  1847. Vector<ShaderLanguage::Scalar> ShaderLanguage::_get_node_values(const BlockNode *p_block, Node *p_node) {
  1848. Vector<Scalar> result;
  1849. switch (p_node->type) {
  1850. case Node::NODE_TYPE_VARIABLE: {
  1851. _find_identifier(p_block, false, FunctionInfo(), static_cast<VariableNode *>(p_node)->name, nullptr, nullptr, nullptr, nullptr, nullptr, &result);
  1852. } break;
  1853. default: {
  1854. result = p_node->get_values();
  1855. } break;
  1856. }
  1857. return result;
  1858. }
  1859. bool ShaderLanguage::_eval_operator(const BlockNode *p_block, OperatorNode *p_op) {
  1860. bool is_valid = true;
  1861. switch (p_op->op) {
  1862. case OP_EQUAL:
  1863. case OP_NOT_EQUAL:
  1864. case OP_LESS:
  1865. case OP_LESS_EQUAL:
  1866. case OP_GREATER:
  1867. case OP_GREATER_EQUAL:
  1868. case OP_AND:
  1869. case OP_OR:
  1870. case OP_ADD:
  1871. case OP_SUB:
  1872. case OP_MUL:
  1873. case OP_DIV:
  1874. case OP_MOD:
  1875. case OP_SHIFT_LEFT:
  1876. case OP_SHIFT_RIGHT:
  1877. case OP_BIT_AND:
  1878. case OP_BIT_OR:
  1879. case OP_BIT_XOR: {
  1880. DataType a = p_op->arguments[0]->get_datatype();
  1881. DataType b = p_op->arguments[1]->get_datatype();
  1882. bool is_op_vec_transform = false;
  1883. if (p_op->op == OP_MUL) {
  1884. DataType ta = a;
  1885. DataType tb = b;
  1886. if (ta > tb) {
  1887. SWAP(ta, tb);
  1888. }
  1889. if (ta == TYPE_VEC2 && tb == TYPE_MAT2) {
  1890. is_op_vec_transform = true;
  1891. } else if (ta == TYPE_VEC3 && tb == TYPE_MAT3) {
  1892. is_op_vec_transform = true;
  1893. } else if (ta == TYPE_VEC4 && tb == TYPE_MAT4) {
  1894. is_op_vec_transform = true;
  1895. }
  1896. }
  1897. Vector<Scalar> va = _get_node_values(p_block, p_op->arguments[0]);
  1898. Vector<Scalar> vb = _get_node_values(p_block, p_op->arguments[1]);
  1899. if (is_op_vec_transform) {
  1900. p_op->values = _eval_vector_transform(va, vb, a, b, p_op->get_datatype());
  1901. } else {
  1902. p_op->values = _eval_vector(va, vb, a, b, p_op->get_datatype(), p_op->op, is_valid);
  1903. }
  1904. } break;
  1905. case OP_NOT:
  1906. case OP_NEGATE:
  1907. case OP_BIT_INVERT: {
  1908. p_op->values = _eval_unary_vector(_get_node_values(p_block, p_op->arguments[0]), p_op->get_datatype(), p_op->op);
  1909. } break;
  1910. default: {
  1911. } break;
  1912. }
  1913. return is_valid;
  1914. }
  1915. ShaderLanguage::Scalar ShaderLanguage::_eval_unary_scalar(const Scalar &p_a, Operator p_op, DataType p_ret_type) {
  1916. Scalar scalar;
  1917. switch (p_op) {
  1918. case OP_NOT: {
  1919. scalar.boolean = !p_a.boolean;
  1920. } break;
  1921. case OP_NEGATE: {
  1922. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  1923. scalar.sint = -p_a.sint;
  1924. } else if (p_ret_type >= TYPE_UINT && p_ret_type <= TYPE_UVEC4) {
  1925. // Intentionally wrap the unsigned int value, because GLSL does.
  1926. scalar.uint = 0 - p_a.uint;
  1927. } else { // float types
  1928. scalar.real = -scalar.real;
  1929. }
  1930. } break;
  1931. case OP_BIT_INVERT: {
  1932. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  1933. scalar.sint = ~p_a.sint;
  1934. } else { // uint types
  1935. scalar.uint = ~p_a.uint;
  1936. }
  1937. } break;
  1938. default: {
  1939. } break;
  1940. }
  1941. return scalar;
  1942. }
  1943. ShaderLanguage::Scalar ShaderLanguage::_eval_scalar(const Scalar &p_a, const Scalar &p_b, Operator p_op, DataType p_ret_type, bool &r_is_valid) {
  1944. Scalar scalar;
  1945. switch (p_op) {
  1946. case OP_EQUAL: {
  1947. scalar.boolean = p_a.boolean == p_b.boolean;
  1948. } break;
  1949. case OP_NOT_EQUAL: {
  1950. scalar.boolean = p_a.boolean != p_b.boolean;
  1951. } break;
  1952. case OP_LESS: {
  1953. if (p_ret_type == TYPE_INT) {
  1954. scalar.boolean = p_a.sint < p_b.sint;
  1955. } else if (p_ret_type == TYPE_UINT) {
  1956. scalar.boolean = p_a.uint < p_b.uint;
  1957. } else { // float type
  1958. scalar.boolean = p_a.real < p_b.real;
  1959. }
  1960. } break;
  1961. case OP_LESS_EQUAL: {
  1962. if (p_ret_type == TYPE_INT) {
  1963. scalar.boolean = p_a.sint <= p_b.sint;
  1964. } else if (p_ret_type == TYPE_UINT) {
  1965. scalar.boolean = p_a.uint <= p_b.uint;
  1966. } else { // float type
  1967. scalar.boolean = p_a.real <= p_b.real;
  1968. }
  1969. } break;
  1970. case OP_GREATER: {
  1971. if (p_ret_type == TYPE_INT) {
  1972. scalar.boolean = p_a.sint > p_b.sint;
  1973. } else if (p_ret_type == TYPE_UINT) {
  1974. scalar.boolean = p_a.uint > p_b.uint;
  1975. } else { // float type
  1976. scalar.boolean = p_a.real > p_b.real;
  1977. }
  1978. } break;
  1979. case OP_GREATER_EQUAL: {
  1980. if (p_ret_type == TYPE_INT) {
  1981. scalar.boolean = p_a.sint >= p_b.sint;
  1982. } else if (p_ret_type == TYPE_UINT) {
  1983. scalar.boolean = p_a.uint >= p_b.uint;
  1984. } else { // float type
  1985. scalar.boolean = p_a.real >= p_b.real;
  1986. }
  1987. } break;
  1988. case OP_AND: {
  1989. scalar.boolean = p_a.boolean && p_b.boolean;
  1990. } break;
  1991. case OP_OR: {
  1992. scalar.boolean = p_a.boolean || p_b.boolean;
  1993. } break;
  1994. case OP_ADD: {
  1995. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  1996. scalar.sint = p_a.sint + p_b.sint;
  1997. } else if (p_ret_type >= TYPE_UINT && p_ret_type <= TYPE_UVEC4) {
  1998. scalar.uint = p_a.uint + p_b.uint;
  1999. } else { // float + matrix types
  2000. scalar.real = p_a.real + p_b.real;
  2001. }
  2002. } break;
  2003. case OP_SUB: {
  2004. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  2005. scalar.sint = p_a.sint - p_b.sint;
  2006. } else if (p_ret_type >= TYPE_UINT && p_ret_type <= TYPE_UVEC4) {
  2007. scalar.uint = p_a.uint - p_b.uint;
  2008. } else { // float + matrix types
  2009. scalar.real = p_a.real - p_b.real;
  2010. }
  2011. } break;
  2012. case OP_MUL: {
  2013. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  2014. scalar.sint = p_a.sint * p_b.sint;
  2015. } else if (p_ret_type >= TYPE_UINT && p_ret_type <= TYPE_UVEC4) {
  2016. scalar.uint = p_a.uint * p_b.uint;
  2017. } else { // float + matrix types
  2018. scalar.real = p_a.real * p_b.real;
  2019. }
  2020. } break;
  2021. case OP_DIV: {
  2022. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  2023. if (p_b.sint == 0) {
  2024. _set_error(RTR("Division by zero error."));
  2025. r_is_valid = false;
  2026. break;
  2027. }
  2028. scalar.sint = p_a.sint / p_b.sint;
  2029. } else if (p_ret_type == TYPE_UINT && p_ret_type <= TYPE_UVEC4) {
  2030. if (p_b.uint == 0U) {
  2031. _set_error(RTR("Division by zero error."));
  2032. r_is_valid = false;
  2033. break;
  2034. }
  2035. scalar.uint = p_a.uint / p_b.uint;
  2036. } else { // float + matrix types
  2037. scalar.real = p_a.real / p_b.real;
  2038. }
  2039. } break;
  2040. case OP_MOD: {
  2041. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  2042. if (p_b.sint == 0) {
  2043. _set_error(RTR("Modulo by zero error."));
  2044. r_is_valid = false;
  2045. break;
  2046. }
  2047. scalar.sint = p_a.sint % p_b.sint;
  2048. } else { // uint types
  2049. if (p_b.uint == 0U) {
  2050. _set_error(RTR("Modulo by zero error."));
  2051. r_is_valid = false;
  2052. break;
  2053. }
  2054. scalar.uint = p_a.uint % p_b.uint;
  2055. }
  2056. } break;
  2057. case OP_SHIFT_LEFT: {
  2058. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  2059. scalar.sint = p_a.sint << p_b.sint;
  2060. } else { // uint types
  2061. scalar.uint = p_a.uint << p_b.uint;
  2062. }
  2063. } break;
  2064. case OP_SHIFT_RIGHT: {
  2065. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  2066. scalar.sint = p_a.sint >> p_b.sint;
  2067. } else { // uint types
  2068. scalar.uint = p_a.uint >> p_b.uint;
  2069. }
  2070. } break;
  2071. case OP_BIT_AND: {
  2072. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  2073. scalar.sint = p_a.sint & p_b.sint;
  2074. } else { // uint types
  2075. scalar.uint = p_a.uint & p_b.uint;
  2076. }
  2077. } break;
  2078. case OP_BIT_OR: {
  2079. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  2080. scalar.sint = p_a.sint | p_b.sint;
  2081. } else { // uint types
  2082. scalar.uint = p_a.uint | p_b.uint;
  2083. }
  2084. } break;
  2085. case OP_BIT_XOR: {
  2086. if (p_ret_type >= TYPE_INT && p_ret_type <= TYPE_IVEC4) {
  2087. scalar.sint = p_a.sint ^ p_b.sint;
  2088. } else { // uint types
  2089. scalar.uint = p_a.uint ^ p_b.uint;
  2090. }
  2091. } break;
  2092. default: {
  2093. } break;
  2094. }
  2095. return scalar;
  2096. }
  2097. Vector<ShaderLanguage::Scalar> ShaderLanguage::_eval_unary_vector(const Vector<Scalar> &p_va, DataType p_ret_type, Operator p_op) {
  2098. uint32_t size = get_datatype_component_count(p_ret_type);
  2099. if (p_va.size() != p_ret_type) {
  2100. return Vector<Scalar>(); // Non-evaluable values should not be parsed further.
  2101. }
  2102. Vector<Scalar> value;
  2103. value.resize(size);
  2104. Scalar *w = value.ptrw();
  2105. for (uint32_t i = 0U; i < size; i++) {
  2106. w[i] = _eval_unary_scalar(p_va[i], p_op, p_ret_type);
  2107. }
  2108. return value;
  2109. }
  2110. Vector<ShaderLanguage::Scalar> ShaderLanguage::_eval_vector(const Vector<Scalar> &p_va, const Vector<Scalar> &p_vb, DataType p_left_type, DataType p_right_type, DataType p_ret_type, Operator p_op, bool &r_is_valid) {
  2111. uint32_t left_size = get_datatype_component_count(p_left_type);
  2112. uint32_t right_size = get_datatype_component_count(p_right_type);
  2113. if (p_va.size() != left_size || p_vb.size() != right_size) {
  2114. return Vector<Scalar>(); // Non-evaluable values should not be parsed further.
  2115. }
  2116. uint32_t ret_size = get_datatype_component_count(p_ret_type);
  2117. Vector<Scalar> value;
  2118. value.resize(ret_size);
  2119. Scalar *w = value.ptrw();
  2120. for (uint32_t i = 0U; i < ret_size; i++) {
  2121. w[i] = _eval_scalar(p_va[MIN(i, left_size - 1)], p_vb[MIN(i, right_size - 1)], p_op, p_ret_type, r_is_valid);
  2122. if (!r_is_valid) {
  2123. return value;
  2124. }
  2125. }
  2126. return value;
  2127. }
  2128. Vector<ShaderLanguage::Scalar> ShaderLanguage::_eval_vector_transform(const Vector<Scalar> &p_va, const Vector<Scalar> &p_vb, DataType p_left_type, DataType p_right_type, DataType p_ret_type) {
  2129. uint32_t left_size = get_datatype_component_count(p_left_type);
  2130. uint32_t right_size = get_datatype_component_count(p_right_type);
  2131. if (p_va.size() != left_size || p_vb.size() != right_size) {
  2132. return Vector<Scalar>(); // Non-evaluable values should not be parsed further.
  2133. }
  2134. uint32_t ret_size = get_datatype_component_count(p_ret_type);
  2135. Vector<Scalar> value;
  2136. value.resize_zeroed(ret_size);
  2137. Scalar *w = value.ptrw();
  2138. switch (p_ret_type) {
  2139. case TYPE_VEC2: {
  2140. if (left_size == 2) { // v * m
  2141. Vector2 v = Vector2(p_va[0].real, p_va[1].real);
  2142. w[0].real = (p_vb[0].real * v.x + p_vb[1].real * v.y);
  2143. w[1].real = (p_vb[2].real * v.x + p_vb[3].real * v.y);
  2144. } else { // m * v
  2145. Vector2 v = Vector2(p_vb[0].real, p_vb[1].real);
  2146. w[0].real = (p_va[0].real * v.x + p_va[2].real * v.y);
  2147. w[1].real = (p_va[1].real * v.x + p_va[3].real * v.y);
  2148. }
  2149. } break;
  2150. case TYPE_VEC3: {
  2151. if (left_size == 3) { // v * m
  2152. Vector3 v = Vector3(p_va[0].real, p_va[1].real, p_va[2].real);
  2153. w[0].real = (p_vb[0].real * v.x + p_vb[1].real * v.y + p_vb[2].real * v.z);
  2154. w[1].real = (p_vb[3].real * v.x + p_vb[4].real * v.y + p_vb[5].real * v.z);
  2155. w[2].real = (p_vb[6].real * v.x + p_vb[7].real * v.y + p_vb[8].real * v.z);
  2156. } else { // m * v
  2157. Vector3 v = Vector3(p_vb[0].real, p_vb[1].real, p_vb[2].real);
  2158. w[0].real = (p_va[0].real * v.x + p_va[3].real * v.y + p_va[6].real * v.z);
  2159. w[1].real = (p_va[1].real * v.x + p_va[4].real * v.y + p_va[7].real * v.z);
  2160. w[2].real = (p_va[2].real * v.x + p_va[5].real * v.y + p_va[8].real * v.z);
  2161. }
  2162. } break;
  2163. case TYPE_VEC4: {
  2164. if (left_size == 4) { // v * m
  2165. Vector4 v = Vector4(p_va[0].real, p_va[1].real, p_va[2].real, p_va[3].real);
  2166. w[0].real = (p_vb[0].real * v.x + p_vb[1].real * v.y + p_vb[2].real * v.z + p_vb[3].real * v.w);
  2167. w[1].real = (p_vb[4].real * v.x + p_vb[5].real * v.y + p_vb[6].real * v.z + p_vb[7].real * v.w);
  2168. w[2].real = (p_vb[8].real * v.x + p_vb[9].real * v.y + p_vb[10].real * v.z + p_vb[11].real * v.w);
  2169. w[3].real = (p_vb[12].real * v.x + p_vb[13].real * v.y + p_vb[14].real * v.z + p_vb[15].real * v.w);
  2170. } else { // m * v
  2171. Vector4 v = Vector4(p_vb[0].real, p_vb[1].real, p_vb[2].real, p_vb[3].real);
  2172. w[0].real = (p_vb[0].real * v.x + p_vb[4].real * v.y + p_vb[8].real * v.z + p_vb[12].real * v.w);
  2173. w[1].real = (p_vb[1].real * v.x + p_vb[5].real * v.y + p_vb[9].real * v.z + p_vb[13].real * v.w);
  2174. w[2].real = (p_vb[2].real * v.x + p_vb[6].real * v.y + p_vb[10].real * v.z + p_vb[14].real * v.w);
  2175. w[3].real = (p_vb[3].real * v.x + p_vb[7].real * v.y + p_vb[11].real * v.z + p_vb[15].real * v.w);
  2176. }
  2177. } break;
  2178. default: {
  2179. } break;
  2180. }
  2181. return value;
  2182. }
  2183. const ShaderLanguage::BuiltinFuncDef ShaderLanguage::builtin_func_defs[] = {
  2184. // Constructors.
  2185. { "bool", TYPE_BOOL, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2186. { "bvec2", TYPE_BVEC2, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2187. { "bvec2", TYPE_BVEC2, { TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2188. { "bvec3", TYPE_BVEC3, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2189. { "bvec3", TYPE_BVEC3, { TYPE_BOOL, TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2190. { "bvec3", TYPE_BVEC3, { TYPE_BVEC2, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2191. { "bvec3", TYPE_BVEC3, { TYPE_BOOL, TYPE_BVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2192. { "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2193. { "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_BOOL, TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2194. { "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_BVEC2, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2195. { "bvec4", TYPE_BVEC4, { TYPE_BVEC2, TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2196. { "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_BOOL, TYPE_BVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2197. { "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_BVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2198. { "bvec4", TYPE_BVEC4, { TYPE_BVEC3, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2199. { "bvec4", TYPE_BVEC4, { TYPE_BVEC2, TYPE_BVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2200. { "float", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2201. { "vec2", TYPE_VEC2, { TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2202. { "vec2", TYPE_VEC2, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2203. { "vec3", TYPE_VEC3, { TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2204. { "vec3", TYPE_VEC3, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2205. { "vec3", TYPE_VEC3, { TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2206. { "vec3", TYPE_VEC3, { TYPE_FLOAT, TYPE_VEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2207. { "vec4", TYPE_VEC4, { TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2208. { "vec4", TYPE_VEC4, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2209. { "vec4", TYPE_VEC4, { TYPE_FLOAT, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2210. { "vec4", TYPE_VEC4, { TYPE_VEC2, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2211. { "vec4", TYPE_VEC4, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2212. { "vec4", TYPE_VEC4, { TYPE_FLOAT, TYPE_VEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2213. { "vec4", TYPE_VEC4, { TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2214. { "vec4", TYPE_VEC4, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2215. { "int", TYPE_INT, { TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2216. { "ivec2", TYPE_IVEC2, { TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2217. { "ivec2", TYPE_IVEC2, { TYPE_INT, TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2218. { "ivec3", TYPE_IVEC3, { TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2219. { "ivec3", TYPE_IVEC3, { TYPE_INT, TYPE_INT, TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2220. { "ivec3", TYPE_IVEC3, { TYPE_IVEC2, TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2221. { "ivec3", TYPE_IVEC3, { TYPE_INT, TYPE_IVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2222. { "ivec4", TYPE_IVEC4, { TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2223. { "ivec4", TYPE_IVEC4, { TYPE_INT, TYPE_INT, TYPE_INT, TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2224. { "ivec4", TYPE_IVEC4, { TYPE_INT, TYPE_IVEC2, TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2225. { "ivec4", TYPE_IVEC4, { TYPE_IVEC2, TYPE_INT, TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2226. { "ivec4", TYPE_IVEC4, { TYPE_INT, TYPE_INT, TYPE_IVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2227. { "ivec4", TYPE_IVEC4, { TYPE_INT, TYPE_IVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2228. { "ivec4", TYPE_IVEC4, { TYPE_IVEC3, TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2229. { "ivec4", TYPE_IVEC4, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2230. { "uint", TYPE_UINT, { TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2231. { "uvec2", TYPE_UVEC2, { TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2232. { "uvec2", TYPE_UVEC2, { TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2233. { "uvec3", TYPE_UVEC3, { TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2234. { "uvec3", TYPE_UVEC3, { TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2235. { "uvec3", TYPE_UVEC3, { TYPE_UVEC2, TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2236. { "uvec3", TYPE_UVEC3, { TYPE_UINT, TYPE_UVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2237. { "uvec4", TYPE_UVEC4, { TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2238. { "uvec4", TYPE_UVEC4, { TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2239. { "uvec4", TYPE_UVEC4, { TYPE_UINT, TYPE_UVEC2, TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2240. { "uvec4", TYPE_UVEC4, { TYPE_UVEC2, TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2241. { "uvec4", TYPE_UVEC4, { TYPE_UINT, TYPE_UINT, TYPE_UVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2242. { "uvec4", TYPE_UVEC4, { TYPE_UINT, TYPE_UVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2243. { "uvec4", TYPE_UVEC4, { TYPE_UVEC3, TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2244. { "uvec4", TYPE_UVEC4, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2245. { "mat2", TYPE_MAT2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2246. { "mat3", TYPE_MAT3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2247. { "mat4", TYPE_MAT4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2248. { "mat2", TYPE_MAT2, { TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2249. { "mat3", TYPE_MAT3, { TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2250. { "mat4", TYPE_MAT4, { TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2251. // Conversion scalars.
  2252. { "int", TYPE_INT, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2253. { "int", TYPE_INT, { TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2254. { "int", TYPE_INT, { TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2255. { "int", TYPE_INT, { TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2256. { "float", TYPE_FLOAT, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2257. { "float", TYPE_FLOAT, { TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2258. { "float", TYPE_FLOAT, { TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2259. { "float", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2260. { "uint", TYPE_UINT, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2261. { "uint", TYPE_UINT, { TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2262. { "uint", TYPE_UINT, { TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2263. { "uint", TYPE_UINT, { TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2264. { "bool", TYPE_BOOL, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2265. { "bool", TYPE_BOOL, { TYPE_INT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2266. { "bool", TYPE_BOOL, { TYPE_UINT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2267. { "bool", TYPE_BOOL, { TYPE_FLOAT, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2268. // Conversion vectors.
  2269. { "ivec2", TYPE_IVEC2, { TYPE_BVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2270. { "ivec2", TYPE_IVEC2, { TYPE_IVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2271. { "ivec2", TYPE_IVEC2, { TYPE_UVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2272. { "ivec2", TYPE_IVEC2, { TYPE_VEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2273. { "vec2", TYPE_VEC2, { TYPE_BVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2274. { "vec2", TYPE_VEC2, { TYPE_IVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2275. { "vec2", TYPE_VEC2, { TYPE_UVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2276. { "vec2", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2277. { "uvec2", TYPE_UVEC2, { TYPE_BVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2278. { "uvec2", TYPE_UVEC2, { TYPE_IVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2279. { "uvec2", TYPE_UVEC2, { TYPE_UVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2280. { "uvec2", TYPE_UVEC2, { TYPE_VEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2281. { "bvec2", TYPE_BVEC2, { TYPE_BVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2282. { "bvec2", TYPE_BVEC2, { TYPE_IVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2283. { "bvec2", TYPE_BVEC2, { TYPE_UVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2284. { "bvec2", TYPE_BVEC2, { TYPE_VEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2285. { "ivec3", TYPE_IVEC3, { TYPE_BVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2286. { "ivec3", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2287. { "ivec3", TYPE_IVEC3, { TYPE_UVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2288. { "ivec3", TYPE_IVEC3, { TYPE_VEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2289. { "vec3", TYPE_VEC3, { TYPE_BVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2290. { "vec3", TYPE_VEC3, { TYPE_IVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2291. { "vec3", TYPE_VEC3, { TYPE_UVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2292. { "vec3", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2293. { "uvec3", TYPE_UVEC3, { TYPE_BVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2294. { "uvec3", TYPE_UVEC3, { TYPE_IVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2295. { "uvec3", TYPE_UVEC3, { TYPE_UVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2296. { "uvec3", TYPE_UVEC3, { TYPE_VEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2297. { "bvec3", TYPE_BVEC3, { TYPE_BVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2298. { "bvec3", TYPE_BVEC3, { TYPE_IVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2299. { "bvec3", TYPE_BVEC3, { TYPE_UVEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2300. { "bvec3", TYPE_BVEC3, { TYPE_VEC3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2301. { "ivec4", TYPE_IVEC4, { TYPE_BVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2302. { "ivec4", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2303. { "ivec4", TYPE_IVEC4, { TYPE_UVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2304. { "ivec4", TYPE_IVEC4, { TYPE_VEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2305. { "vec4", TYPE_VEC4, { TYPE_BVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2306. { "vec4", TYPE_VEC4, { TYPE_IVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2307. { "vec4", TYPE_VEC4, { TYPE_UVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2308. { "vec4", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2309. { "uvec4", TYPE_UVEC4, { TYPE_BVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2310. { "uvec4", TYPE_UVEC4, { TYPE_IVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2311. { "uvec4", TYPE_UVEC4, { TYPE_UVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2312. { "uvec4", TYPE_UVEC4, { TYPE_VEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2313. { "bvec4", TYPE_BVEC4, { TYPE_BVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2314. { "bvec4", TYPE_BVEC4, { TYPE_IVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2315. { "bvec4", TYPE_BVEC4, { TYPE_UVEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2316. { "bvec4", TYPE_BVEC4, { TYPE_VEC4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2317. // Conversion between matrixes.
  2318. { "mat2", TYPE_MAT2, { TYPE_MAT3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2319. { "mat2", TYPE_MAT2, { TYPE_MAT4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2320. { "mat3", TYPE_MAT3, { TYPE_MAT2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2321. { "mat3", TYPE_MAT3, { TYPE_MAT4, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2322. { "mat4", TYPE_MAT4, { TYPE_MAT2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2323. { "mat4", TYPE_MAT4, { TYPE_MAT3, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
  2324. // Built-ins - trigonometric functions.
  2325. // radians
  2326. { "radians", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "degrees" }, TAG_GLOBAL, false },
  2327. { "radians", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "degrees" }, TAG_GLOBAL, false },
  2328. { "radians", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "degrees" }, TAG_GLOBAL, false },
  2329. { "radians", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "degrees" }, TAG_GLOBAL, false },
  2330. // degrees
  2331. { "degrees", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "radians" }, TAG_GLOBAL, false },
  2332. { "degrees", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "radians" }, TAG_GLOBAL, false },
  2333. { "degrees", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "radians" }, TAG_GLOBAL, false },
  2334. { "degrees", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "radians" }, TAG_GLOBAL, false },
  2335. // sin
  2336. { "sin", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2337. { "sin", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2338. { "sin", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2339. { "sin", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2340. // cos
  2341. { "cos", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2342. { "cos", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2343. { "cos", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2344. { "cos", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2345. // tan
  2346. { "tan", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2347. { "tan", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2348. { "tan", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2349. { "tan", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "angle" }, TAG_GLOBAL, false },
  2350. // asin
  2351. { "asin", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2352. { "asin", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2353. { "asin", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2354. { "asin", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2355. // acos
  2356. { "acos", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2357. { "acos", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2358. { "acos", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2359. { "acos", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2360. // atan
  2361. { "atan", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "y_over_x" }, TAG_GLOBAL, false },
  2362. { "atan", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "y_over_x" }, TAG_GLOBAL, false },
  2363. { "atan", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "y_over_x" }, TAG_GLOBAL, false },
  2364. { "atan", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "y_over_x" }, TAG_GLOBAL, false },
  2365. { "atan", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "y", "x" }, TAG_GLOBAL, false },
  2366. { "atan", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "y", "x" }, TAG_GLOBAL, false },
  2367. { "atan", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "y", "x" }, TAG_GLOBAL, false },
  2368. { "atan", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "y", "x" }, TAG_GLOBAL, false },
  2369. // sinh
  2370. { "sinh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2371. { "sinh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2372. { "sinh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2373. { "sinh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2374. // cosh
  2375. { "cosh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2376. { "cosh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2377. { "cosh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2378. { "cosh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2379. // tanh
  2380. { "tanh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2381. { "tanh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2382. { "tanh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2383. { "tanh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2384. // asinh
  2385. { "asinh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2386. { "asinh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2387. { "asinh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2388. { "asinh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2389. // acosh
  2390. { "acosh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2391. { "acosh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2392. { "acosh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2393. { "acosh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2394. // atanh
  2395. { "atanh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2396. { "atanh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2397. { "atanh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2398. { "atanh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2399. // Builtins - exponential functions.
  2400. // pow
  2401. { "pow", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "x", "y" }, TAG_GLOBAL, false },
  2402. { "pow", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "x", "y" }, TAG_GLOBAL, false },
  2403. { "pow", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "x", "y" }, TAG_GLOBAL, false },
  2404. { "pow", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "x", "y" }, TAG_GLOBAL, false },
  2405. // exp
  2406. { "exp", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2407. { "exp", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2408. { "exp", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2409. { "exp", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2410. // log
  2411. { "log", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2412. { "log", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2413. { "log", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2414. { "log", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2415. // exp2
  2416. { "exp2", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2417. { "exp2", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2418. { "exp2", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2419. { "exp2", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2420. // log2
  2421. { "log2", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2422. { "log2", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2423. { "log2", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2424. { "log2", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2425. // sqrt
  2426. { "sqrt", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2427. { "sqrt", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2428. { "sqrt", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2429. { "sqrt", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2430. // inversesqrt
  2431. { "inversesqrt", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2432. { "inversesqrt", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2433. { "inversesqrt", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2434. { "inversesqrt", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2435. // Built-ins - common functions.
  2436. // abs
  2437. { "abs", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2438. { "abs", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2439. { "abs", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2440. { "abs", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2441. { "abs", TYPE_INT, { TYPE_INT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2442. { "abs", TYPE_IVEC2, { TYPE_IVEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2443. { "abs", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2444. { "abs", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2445. // sign
  2446. { "sign", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2447. { "sign", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2448. { "sign", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2449. { "sign", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2450. { "sign", TYPE_INT, { TYPE_INT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2451. { "sign", TYPE_IVEC2, { TYPE_IVEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2452. { "sign", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2453. { "sign", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2454. // floor
  2455. { "floor", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2456. { "floor", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2457. { "floor", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2458. { "floor", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2459. // trunc
  2460. { "trunc", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2461. { "trunc", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2462. { "trunc", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2463. { "trunc", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2464. // round
  2465. { "round", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2466. { "round", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2467. { "round", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2468. { "round", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2469. // roundEven
  2470. { "roundEven", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2471. { "roundEven", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2472. { "roundEven", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2473. { "roundEven", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2474. // ceil
  2475. { "ceil", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2476. { "ceil", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2477. { "ceil", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2478. { "ceil", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2479. // fract
  2480. { "fract", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2481. { "fract", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2482. { "fract", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2483. { "fract", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2484. // mod
  2485. { "mod", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "x", "y" }, TAG_GLOBAL, false },
  2486. { "mod", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "x", "y" }, TAG_GLOBAL, false },
  2487. { "mod", TYPE_VEC2, { TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "x", "y" }, TAG_GLOBAL, false },
  2488. { "mod", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "x", "y" }, TAG_GLOBAL, false },
  2489. { "mod", TYPE_VEC3, { TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "x", "y" }, TAG_GLOBAL, false },
  2490. { "mod", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "x", "y" }, TAG_GLOBAL, false },
  2491. { "mod", TYPE_VEC4, { TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "x", "y" }, TAG_GLOBAL, false },
  2492. // modf
  2493. { "modf", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "x", "i" }, TAG_GLOBAL, false },
  2494. { "modf", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "x", "i" }, TAG_GLOBAL, false },
  2495. { "modf", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "x", "i" }, TAG_GLOBAL, false },
  2496. { "modf", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "x", "i" }, TAG_GLOBAL, false },
  2497. // min
  2498. { "min", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2499. { "min", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2500. { "min", TYPE_VEC2, { TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2501. { "min", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2502. { "min", TYPE_VEC3, { TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2503. { "min", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2504. { "min", TYPE_VEC4, { TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2505. { "min", TYPE_INT, { TYPE_INT, TYPE_INT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2506. { "min", TYPE_IVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2507. { "min", TYPE_IVEC2, { TYPE_IVEC2, TYPE_INT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2508. { "min", TYPE_IVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2509. { "min", TYPE_IVEC3, { TYPE_IVEC3, TYPE_INT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2510. { "min", TYPE_IVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2511. { "min", TYPE_IVEC4, { TYPE_IVEC4, TYPE_INT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2512. { "min", TYPE_UINT, { TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2513. { "min", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2514. { "min", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UINT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2515. { "min", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2516. { "min", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UINT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2517. { "min", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2518. { "min", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UINT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2519. // max
  2520. { "max", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2521. { "max", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2522. { "max", TYPE_VEC2, { TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2523. { "max", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2524. { "max", TYPE_VEC3, { TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2525. { "max", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2526. { "max", TYPE_VEC4, { TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2527. { "max", TYPE_INT, { TYPE_INT, TYPE_INT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2528. { "max", TYPE_IVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2529. { "max", TYPE_IVEC2, { TYPE_IVEC2, TYPE_INT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2530. { "max", TYPE_IVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2531. { "max", TYPE_IVEC3, { TYPE_IVEC3, TYPE_INT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2532. { "max", TYPE_IVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2533. { "max", TYPE_IVEC4, { TYPE_IVEC4, TYPE_INT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2534. { "max", TYPE_UINT, { TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2535. { "max", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2536. { "max", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UINT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2537. { "max", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2538. { "max", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UINT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2539. { "max", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2540. { "max", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UINT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2541. // clamp
  2542. { "clamp", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2543. { "clamp", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2544. { "clamp", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2545. { "clamp", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2546. { "clamp", TYPE_VEC2, { TYPE_VEC2, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2547. { "clamp", TYPE_VEC3, { TYPE_VEC3, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2548. { "clamp", TYPE_VEC4, { TYPE_VEC4, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2549. { "clamp", TYPE_INT, { TYPE_INT, TYPE_INT, TYPE_INT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2550. { "clamp", TYPE_IVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2551. { "clamp", TYPE_IVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2552. { "clamp", TYPE_IVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2553. { "clamp", TYPE_IVEC2, { TYPE_IVEC2, TYPE_INT, TYPE_INT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2554. { "clamp", TYPE_IVEC3, { TYPE_IVEC3, TYPE_INT, TYPE_INT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2555. { "clamp", TYPE_IVEC4, { TYPE_IVEC4, TYPE_INT, TYPE_INT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2556. { "clamp", TYPE_UINT, { TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2557. { "clamp", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2558. { "clamp", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2559. { "clamp", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2560. { "clamp", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2561. { "clamp", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2562. { "clamp", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "x", "minVal", "maxVal" }, TAG_GLOBAL, false },
  2563. // mix
  2564. { "mix", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "a", "b", "value" }, TAG_GLOBAL, false },
  2565. { "mix", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "a", "b", "value" }, TAG_GLOBAL, false },
  2566. { "mix", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_BVEC2, TYPE_VOID }, { "a", "b", "value" }, TAG_GLOBAL, false },
  2567. { "mix", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b", "value" }, TAG_GLOBAL, false },
  2568. { "mix", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "a", "b", "value" }, TAG_GLOBAL, false },
  2569. { "mix", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_BVEC3, TYPE_VOID }, { "a", "b", "value" }, TAG_GLOBAL, false },
  2570. { "mix", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b", "value" }, TAG_GLOBAL, false },
  2571. { "mix", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "a", "b", "value" }, TAG_GLOBAL, false },
  2572. { "mix", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_BVEC4, TYPE_VOID }, { "a", "b", "value" }, TAG_GLOBAL, false },
  2573. { "mix", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b", "value" }, TAG_GLOBAL, false },
  2574. // step
  2575. { "step", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "edge", "x" }, TAG_GLOBAL, false },
  2576. { "step", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "edge", "x" }, TAG_GLOBAL, false },
  2577. { "step", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "edge", "x" }, TAG_GLOBAL, false },
  2578. { "step", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "edge", "x" }, TAG_GLOBAL, false },
  2579. { "step", TYPE_VEC2, { TYPE_FLOAT, TYPE_VEC2, TYPE_VOID }, { "edge", "x" }, TAG_GLOBAL, false },
  2580. { "step", TYPE_VEC3, { TYPE_FLOAT, TYPE_VEC3, TYPE_VOID }, { "edge", "x" }, TAG_GLOBAL, false },
  2581. { "step", TYPE_VEC4, { TYPE_FLOAT, TYPE_VEC4, TYPE_VOID }, { "edge", "x" }, TAG_GLOBAL, false },
  2582. // smoothstep
  2583. { "smoothstep", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "edge0", "edge1", "value" }, TAG_GLOBAL, false },
  2584. { "smoothstep", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "edge0", "edge1", "value" }, TAG_GLOBAL, false },
  2585. { "smoothstep", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "edge0", "edge1", "value" }, TAG_GLOBAL, false },
  2586. { "smoothstep", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "edge0", "edge1", "value" }, TAG_GLOBAL, false },
  2587. { "smoothstep", TYPE_VEC2, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VEC2, TYPE_VOID }, { "edge0", "edge1", "value" }, TAG_GLOBAL, false },
  2588. { "smoothstep", TYPE_VEC3, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VEC3, TYPE_VOID }, { "edge0", "edge1", "value" }, TAG_GLOBAL, false },
  2589. { "smoothstep", TYPE_VEC4, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VEC4, TYPE_VOID }, { "edge0", "edge1", "value" }, TAG_GLOBAL, false },
  2590. // isnan
  2591. { "isnan", TYPE_BOOL, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2592. { "isnan", TYPE_BVEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2593. { "isnan", TYPE_BVEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2594. { "isnan", TYPE_BVEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2595. // isinf
  2596. { "isinf", TYPE_BOOL, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2597. { "isinf", TYPE_BVEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2598. { "isinf", TYPE_BVEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2599. { "isinf", TYPE_BVEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2600. // floatBitsToInt
  2601. { "floatBitsToInt", TYPE_INT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2602. { "floatBitsToInt", TYPE_IVEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2603. { "floatBitsToInt", TYPE_IVEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2604. { "floatBitsToInt", TYPE_IVEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2605. // floatBitsToUint
  2606. { "floatBitsToUint", TYPE_UINT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2607. { "floatBitsToUint", TYPE_UVEC2, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2608. { "floatBitsToUint", TYPE_UVEC3, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2609. { "floatBitsToUint", TYPE_UVEC4, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2610. // intBitsToFloat
  2611. { "intBitsToFloat", TYPE_FLOAT, { TYPE_INT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2612. { "intBitsToFloat", TYPE_VEC2, { TYPE_IVEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2613. { "intBitsToFloat", TYPE_VEC3, { TYPE_IVEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2614. { "intBitsToFloat", TYPE_VEC4, { TYPE_IVEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2615. // uintBitsToFloat
  2616. { "uintBitsToFloat", TYPE_FLOAT, { TYPE_UINT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2617. { "uintBitsToFloat", TYPE_VEC2, { TYPE_UVEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2618. { "uintBitsToFloat", TYPE_VEC3, { TYPE_UVEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2619. { "uintBitsToFloat", TYPE_VEC4, { TYPE_UVEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2620. // Built-ins - geometric functions.
  2621. // length
  2622. { "length", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2623. { "length", TYPE_FLOAT, { TYPE_VEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2624. { "length", TYPE_FLOAT, { TYPE_VEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2625. { "length", TYPE_FLOAT, { TYPE_VEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2626. // distance
  2627. { "distance", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2628. { "distance", TYPE_FLOAT, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2629. { "distance", TYPE_FLOAT, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2630. { "distance", TYPE_FLOAT, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2631. // dot
  2632. { "dot", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2633. { "dot", TYPE_FLOAT, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2634. { "dot", TYPE_FLOAT, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2635. { "dot", TYPE_FLOAT, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2636. // cross
  2637. { "cross", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2638. // normalize
  2639. { "normalize", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2640. { "normalize", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2641. { "normalize", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2642. { "normalize", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2643. // reflect
  2644. { "reflect", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "I", "N" }, TAG_GLOBAL, false },
  2645. { "reflect", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "I", "N" }, TAG_GLOBAL, false },
  2646. { "reflect", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "I", "N" }, TAG_GLOBAL, false },
  2647. // refract
  2648. { "refract", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "I", "N", "eta" }, TAG_GLOBAL, false },
  2649. { "refract", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "I", "N", "eta" }, TAG_GLOBAL, false },
  2650. { "refract", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "I", "N", "eta" }, TAG_GLOBAL, false },
  2651. // faceforward
  2652. { "faceforward", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "N", "I", "Nref" }, TAG_GLOBAL, false },
  2653. { "faceforward", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "N", "I", "Nref" }, TAG_GLOBAL, false },
  2654. { "faceforward", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "N", "I", "Nref" }, TAG_GLOBAL, false },
  2655. // matrixCompMult
  2656. { "matrixCompMult", TYPE_MAT2, { TYPE_MAT2, TYPE_MAT2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2657. { "matrixCompMult", TYPE_MAT3, { TYPE_MAT3, TYPE_MAT3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2658. { "matrixCompMult", TYPE_MAT4, { TYPE_MAT4, TYPE_MAT4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2659. // outerProduct
  2660. { "outerProduct", TYPE_MAT2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "c", "r" }, TAG_GLOBAL, false },
  2661. { "outerProduct", TYPE_MAT3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "c", "r" }, TAG_GLOBAL, false },
  2662. { "outerProduct", TYPE_MAT4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "c", "r" }, TAG_GLOBAL, false },
  2663. // transpose
  2664. { "transpose", TYPE_MAT2, { TYPE_MAT2, TYPE_VOID }, { "m" }, TAG_GLOBAL, false },
  2665. { "transpose", TYPE_MAT3, { TYPE_MAT3, TYPE_VOID }, { "m" }, TAG_GLOBAL, false },
  2666. { "transpose", TYPE_MAT4, { TYPE_MAT4, TYPE_VOID }, { "m" }, TAG_GLOBAL, false },
  2667. // determinant
  2668. { "determinant", TYPE_FLOAT, { TYPE_MAT2, TYPE_VOID }, { "m" }, TAG_GLOBAL, false },
  2669. { "determinant", TYPE_FLOAT, { TYPE_MAT3, TYPE_VOID }, { "m" }, TAG_GLOBAL, false },
  2670. { "determinant", TYPE_FLOAT, { TYPE_MAT4, TYPE_VOID }, { "m" }, TAG_GLOBAL, false },
  2671. // inverse
  2672. { "inverse", TYPE_MAT2, { TYPE_MAT2, TYPE_VOID }, { "m" }, TAG_GLOBAL, false },
  2673. { "inverse", TYPE_MAT3, { TYPE_MAT3, TYPE_VOID }, { "m" }, TAG_GLOBAL, false },
  2674. { "inverse", TYPE_MAT4, { TYPE_MAT4, TYPE_VOID }, { "m" }, TAG_GLOBAL, false },
  2675. // lessThan
  2676. { "lessThan", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2677. { "lessThan", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2678. { "lessThan", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2679. { "lessThan", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2680. { "lessThan", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2681. { "lessThan", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2682. { "lessThan", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2683. { "lessThan", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2684. { "lessThan", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2685. // greaterThan
  2686. { "greaterThan", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2687. { "greaterThan", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2688. { "greaterThan", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2689. { "greaterThan", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2690. { "greaterThan", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2691. { "greaterThan", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2692. { "greaterThan", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2693. { "greaterThan", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2694. { "greaterThan", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2695. // lessThanEqual
  2696. { "lessThanEqual", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2697. { "lessThanEqual", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2698. { "lessThanEqual", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2699. { "lessThanEqual", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2700. { "lessThanEqual", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2701. { "lessThanEqual", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2702. { "lessThanEqual", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2703. { "lessThanEqual", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2704. { "lessThanEqual", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2705. // greaterThanEqual
  2706. { "greaterThanEqual", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2707. { "greaterThanEqual", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2708. { "greaterThanEqual", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2709. { "greaterThanEqual", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2710. { "greaterThanEqual", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2711. { "greaterThanEqual", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2712. { "greaterThanEqual", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2713. { "greaterThanEqual", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2714. { "greaterThanEqual", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2715. // equal
  2716. { "equal", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2717. { "equal", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2718. { "equal", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2719. { "equal", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2720. { "equal", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2721. { "equal", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2722. { "equal", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2723. { "equal", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2724. { "equal", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2725. { "equal", TYPE_BVEC2, { TYPE_BVEC2, TYPE_BVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2726. { "equal", TYPE_BVEC3, { TYPE_BVEC3, TYPE_BVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2727. { "equal", TYPE_BVEC4, { TYPE_BVEC4, TYPE_BVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2728. // notEqual
  2729. { "notEqual", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2730. { "notEqual", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2731. { "notEqual", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2732. { "notEqual", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2733. { "notEqual", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2734. { "notEqual", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2735. { "notEqual", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2736. { "notEqual", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2737. { "notEqual", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2738. { "notEqual", TYPE_BVEC2, { TYPE_BVEC2, TYPE_BVEC2, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2739. { "notEqual", TYPE_BVEC3, { TYPE_BVEC3, TYPE_BVEC3, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2740. { "notEqual", TYPE_BVEC4, { TYPE_BVEC4, TYPE_BVEC4, TYPE_VOID }, { "a", "b" }, TAG_GLOBAL, false },
  2741. // any
  2742. { "any", TYPE_BOOL, { TYPE_BVEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2743. { "any", TYPE_BOOL, { TYPE_BVEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2744. { "any", TYPE_BOOL, { TYPE_BVEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2745. // all
  2746. { "all", TYPE_BOOL, { TYPE_BVEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2747. { "all", TYPE_BOOL, { TYPE_BVEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2748. { "all", TYPE_BOOL, { TYPE_BVEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2749. // not
  2750. { "not", TYPE_BVEC2, { TYPE_BVEC2, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2751. { "not", TYPE_BVEC3, { TYPE_BVEC3, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2752. { "not", TYPE_BVEC4, { TYPE_BVEC4, TYPE_VOID }, { "x" }, TAG_GLOBAL, false },
  2753. // Built-ins: texture functions.
  2754. // textureSize
  2755. { "textureSize", TYPE_IVEC2, { TYPE_SAMPLER2D, TYPE_INT, TYPE_VOID }, { "sampler", "lod" }, TAG_GLOBAL, false },
  2756. { "textureSize", TYPE_IVEC2, { TYPE_ISAMPLER2D, TYPE_INT, TYPE_VOID }, { "sampler", "lod" }, TAG_GLOBAL, false },
  2757. { "textureSize", TYPE_IVEC2, { TYPE_USAMPLER2D, TYPE_INT, TYPE_VOID }, { "sampler", "lod" }, TAG_GLOBAL, false },
  2758. { "textureSize", TYPE_IVEC3, { TYPE_SAMPLER2DARRAY, TYPE_INT, TYPE_VOID }, { "sampler", "lod" }, TAG_GLOBAL, false },
  2759. { "textureSize", TYPE_IVEC3, { TYPE_ISAMPLER2DARRAY, TYPE_INT, TYPE_VOID }, { "sampler", "lod" }, TAG_GLOBAL, false },
  2760. { "textureSize", TYPE_IVEC3, { TYPE_USAMPLER2DARRAY, TYPE_INT, TYPE_VOID }, { "sampler", "lod" }, TAG_GLOBAL, false },
  2761. { "textureSize", TYPE_IVEC3, { TYPE_SAMPLER3D, TYPE_INT, TYPE_VOID }, { "sampler", "lod" }, TAG_GLOBAL, false },
  2762. { "textureSize", TYPE_IVEC3, { TYPE_ISAMPLER3D, TYPE_INT, TYPE_VOID }, { "sampler", "lod" }, TAG_GLOBAL, false },
  2763. { "textureSize", TYPE_IVEC3, { TYPE_USAMPLER3D, TYPE_INT, TYPE_VOID }, { "sampler", "lod" }, TAG_GLOBAL, false },
  2764. { "textureSize", TYPE_IVEC2, { TYPE_SAMPLERCUBE, TYPE_INT, TYPE_VOID }, { "sampler", "lod" }, TAG_GLOBAL, false },
  2765. { "textureSize", TYPE_IVEC2, { TYPE_SAMPLERCUBEARRAY, TYPE_INT, TYPE_VOID }, { "sampler", "lod" }, TAG_GLOBAL, false },
  2766. // texture
  2767. { "texture", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2768. { "texture", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2769. { "texture", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2770. { "texture", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2771. { "texture", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2772. { "texture", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2773. { "texture", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2774. { "texture", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2775. { "texture", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2776. { "texture", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2777. { "texture", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2778. { "texture", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2779. { "texture", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2780. { "texture", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2781. { "texture", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2782. { "texture", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2783. { "texture", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2784. { "texture", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2785. { "texture", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2786. { "texture", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2787. { "texture", TYPE_VEC4, { TYPE_SAMPLERCUBEARRAY, TYPE_VEC4, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2788. { "texture", TYPE_VEC4, { TYPE_SAMPLERCUBEARRAY, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2789. { "texture", TYPE_VEC4, { TYPE_SAMPLEREXT, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2790. { "texture", TYPE_VEC4, { TYPE_SAMPLEREXT, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2791. // textureProj
  2792. { "textureProj", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2793. { "textureProj", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC4, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2794. { "textureProj", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2795. { "textureProj", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2796. { "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2797. { "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC4, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2798. { "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2799. { "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2800. { "textureProj", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2801. { "textureProj", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC4, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2802. { "textureProj", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2803. { "textureProj", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2804. { "textureProj", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC4, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2805. { "textureProj", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2806. { "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC4, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2807. { "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2808. { "textureProj", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC4, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2809. { "textureProj", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "bias" }, TAG_GLOBAL, false },
  2810. // textureLod
  2811. { "textureLod", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2812. { "textureLod", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2813. { "textureLod", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2814. { "textureLod", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2815. { "textureLod", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2816. { "textureLod", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2817. { "textureLod", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2818. { "textureLod", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2819. { "textureLod", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2820. { "textureLod", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2821. { "textureLod", TYPE_VEC4, { TYPE_SAMPLERCUBEARRAY, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2822. // texelFetch
  2823. { "texelFetch", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_IVEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2824. { "texelFetch", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_IVEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2825. { "texelFetch", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_IVEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2826. { "texelFetch", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2827. { "texelFetch", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2828. { "texelFetch", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2829. { "texelFetch", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2830. { "texelFetch", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2831. { "texelFetch", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2832. // textureProjLod
  2833. { "textureProjLod", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2834. { "textureProjLod", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2835. { "textureProjLod", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2836. { "textureProjLod", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2837. { "textureProjLod", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2838. { "textureProjLod", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2839. { "textureProjLod", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2840. { "textureProjLod", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2841. { "textureProjLod", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, { "sampler", "coords", "lod" }, TAG_GLOBAL, false },
  2842. // textureGrad
  2843. { "textureGrad", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2844. { "textureGrad", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2845. { "textureGrad", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2846. { "textureGrad", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2847. { "textureGrad", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2848. { "textureGrad", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2849. { "textureGrad", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2850. { "textureGrad", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2851. { "textureGrad", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2852. { "textureGrad", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2853. { "textureGrad", TYPE_VEC4, { TYPE_SAMPLERCUBEARRAY, TYPE_VEC4, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2854. // textureProjGrad
  2855. { "textureProjGrad", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC3, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2856. { "textureProjGrad", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC4, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2857. { "textureProjGrad", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC3, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2858. { "textureProjGrad", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC4, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2859. { "textureProjGrad", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC3, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2860. { "textureProjGrad", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC4, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2861. { "textureProjGrad", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC4, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2862. { "textureProjGrad", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC4, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2863. { "textureProjGrad", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC4, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords", "dPdx", "dPdy" }, TAG_GLOBAL, false },
  2864. // textureGather
  2865. { "textureGather", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2866. { "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2867. { "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2868. { "textureGather", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
  2869. { "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
  2870. { "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
  2871. { "textureGather", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2872. { "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2873. { "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2874. { "textureGather", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
  2875. { "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
  2876. { "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
  2877. { "textureGather", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
  2878. { "textureGather", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
  2879. // textureQueryLod
  2880. { "textureQueryLod", TYPE_VEC2, { TYPE_SAMPLER2D, TYPE_VEC2 }, { "sampler", "coords" }, TAG_GLOBAL, true },
  2881. { "textureQueryLod", TYPE_VEC2, { TYPE_ISAMPLER2D, TYPE_VEC2 }, { "sampler", "coords" }, TAG_GLOBAL, true },
  2882. { "textureQueryLod", TYPE_VEC2, { TYPE_USAMPLER2D, TYPE_VEC2 }, { "sampler", "coords" }, TAG_GLOBAL, true },
  2883. { "textureQueryLod", TYPE_VEC2, { TYPE_SAMPLER2DARRAY, TYPE_VEC2 }, { "sampler", "coords" }, TAG_GLOBAL, true },
  2884. { "textureQueryLod", TYPE_VEC2, { TYPE_ISAMPLER2DARRAY, TYPE_VEC2 }, { "sampler", "coords" }, TAG_GLOBAL, true },
  2885. { "textureQueryLod", TYPE_VEC2, { TYPE_USAMPLER2DARRAY, TYPE_VEC2 }, { "sampler", "coords" }, TAG_GLOBAL, true },
  2886. { "textureQueryLod", TYPE_VEC2, { TYPE_SAMPLER3D, TYPE_VEC3 }, { "sampler", "coords" }, TAG_GLOBAL, true },
  2887. { "textureQueryLod", TYPE_VEC2, { TYPE_ISAMPLER3D, TYPE_VEC3 }, { "sampler", "coords" }, TAG_GLOBAL, true },
  2888. { "textureQueryLod", TYPE_VEC2, { TYPE_USAMPLER3D, TYPE_VEC3 }, { "sampler", "coords" }, TAG_GLOBAL, true },
  2889. { "textureQueryLod", TYPE_VEC2, { TYPE_SAMPLERCUBE, TYPE_VEC3 }, { "sampler", "coords" }, TAG_GLOBAL, true },
  2890. // textureQueryLevels
  2891. { "textureQueryLevels", TYPE_INT, { TYPE_SAMPLER2D }, { "sampler" }, TAG_GLOBAL, true },
  2892. { "textureQueryLevels", TYPE_INT, { TYPE_ISAMPLER2D }, { "sampler" }, TAG_GLOBAL, true },
  2893. { "textureQueryLevels", TYPE_INT, { TYPE_USAMPLER2D }, { "sampler" }, TAG_GLOBAL, true },
  2894. { "textureQueryLevels", TYPE_INT, { TYPE_SAMPLER2DARRAY }, { "sampler" }, TAG_GLOBAL, true },
  2895. { "textureQueryLevels", TYPE_INT, { TYPE_ISAMPLER2DARRAY }, { "sampler" }, TAG_GLOBAL, true },
  2896. { "textureQueryLevels", TYPE_INT, { TYPE_USAMPLER2DARRAY }, { "sampler" }, TAG_GLOBAL, true },
  2897. { "textureQueryLevels", TYPE_INT, { TYPE_SAMPLER3D }, { "sampler" }, TAG_GLOBAL, true },
  2898. { "textureQueryLevels", TYPE_INT, { TYPE_ISAMPLER3D }, { "sampler" }, TAG_GLOBAL, true },
  2899. { "textureQueryLevels", TYPE_INT, { TYPE_USAMPLER3D }, { "sampler" }, TAG_GLOBAL, true },
  2900. { "textureQueryLevels", TYPE_INT, { TYPE_SAMPLERCUBE }, { "sampler" }, TAG_GLOBAL, true },
  2901. // dFdx
  2902. { "dFdx", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2903. { "dFdx", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2904. { "dFdx", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2905. { "dFdx", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2906. // dFdxCoarse
  2907. { "dFdxCoarse", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2908. { "dFdxCoarse", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2909. { "dFdxCoarse", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2910. { "dFdxCoarse", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2911. // dFdxFine
  2912. { "dFdxFine", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2913. { "dFdxFine", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2914. { "dFdxFine", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2915. { "dFdxFine", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2916. // dFdy
  2917. { "dFdy", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2918. { "dFdy", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2919. { "dFdy", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2920. { "dFdy", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2921. // dFdyCoarse
  2922. { "dFdyCoarse", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2923. { "dFdyCoarse", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2924. { "dFdyCoarse", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2925. { "dFdyCoarse", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2926. // dFdyFine
  2927. { "dFdyFine", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2928. { "dFdyFine", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2929. { "dFdyFine", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2930. { "dFdyFine", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2931. // fwidth
  2932. { "fwidth", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2933. { "fwidth", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2934. { "fwidth", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2935. { "fwidth", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
  2936. // fwidthCoarse
  2937. { "fwidthCoarse", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2938. { "fwidthCoarse", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2939. { "fwidthCoarse", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2940. { "fwidthCoarse", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2941. // fwidthFine
  2942. { "fwidthFine", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2943. { "fwidthFine", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2944. { "fwidthFine", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2945. { "fwidthFine", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
  2946. // Sub-functions.
  2947. // array
  2948. { "length", TYPE_INT, { TYPE_VOID }, { "" }, TAG_ARRAY, false },
  2949. // Modern functions.
  2950. // fma
  2951. { "fma", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, { "a", "b", "c" }, TAG_GLOBAL, true },
  2952. { "fma", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, { "a", "b", "c" }, TAG_GLOBAL, true },
  2953. { "fma", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, { "a", "b", "c" }, TAG_GLOBAL, true },
  2954. { "fma", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, { "a", "b", "c" }, TAG_GLOBAL, true },
  2955. // Packing/Unpacking functions.
  2956. { "packHalf2x16", TYPE_UINT, { TYPE_VEC2, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2957. { "packUnorm2x16", TYPE_UINT, { TYPE_VEC2, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2958. { "packSnorm2x16", TYPE_UINT, { TYPE_VEC2, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2959. { "packUnorm4x8", TYPE_UINT, { TYPE_VEC4, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2960. { "packSnorm4x8", TYPE_UINT, { TYPE_VEC4, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2961. { "unpackHalf2x16", TYPE_VEC2, { TYPE_UINT, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2962. { "unpackUnorm2x16", TYPE_VEC2, { TYPE_UINT, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2963. { "unpackSnorm2x16", TYPE_VEC2, { TYPE_UINT, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2964. { "unpackUnorm4x8", TYPE_VEC4, { TYPE_UINT, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2965. { "unpackSnorm4x8", TYPE_VEC4, { TYPE_UINT, TYPE_VOID }, { "v" }, TAG_GLOBAL, false },
  2966. // bitfieldExtract
  2967. { "bitfieldExtract", TYPE_INT, { TYPE_INT, TYPE_INT, TYPE_INT, TYPE_VOID }, { "value", "offset", "bits" }, TAG_GLOBAL, true },
  2968. { "bitfieldExtract", TYPE_IVEC2, { TYPE_IVEC2, TYPE_INT, TYPE_INT, TYPE_VOID }, { "value", "offset", "bits" }, TAG_GLOBAL, true },
  2969. { "bitfieldExtract", TYPE_IVEC3, { TYPE_IVEC3, TYPE_INT, TYPE_INT, TYPE_VOID }, { "value", "offset", "bits" }, TAG_GLOBAL, true },
  2970. { "bitfieldExtract", TYPE_IVEC4, { TYPE_IVEC4, TYPE_INT, TYPE_INT, TYPE_VOID }, { "value", "offset", "bits" }, TAG_GLOBAL, true },
  2971. { "bitfieldExtract", TYPE_UINT, { TYPE_UINT, TYPE_INT, TYPE_INT, TYPE_VOID }, { "value", "offset", "bits" }, TAG_GLOBAL, true },
  2972. { "bitfieldExtract", TYPE_UVEC2, { TYPE_UVEC2, TYPE_INT, TYPE_INT, TYPE_VOID }, { "value", "offset", "bits" }, TAG_GLOBAL, true },
  2973. { "bitfieldExtract", TYPE_UVEC3, { TYPE_UVEC3, TYPE_INT, TYPE_INT, TYPE_VOID }, { "value", "offset", "bits" }, TAG_GLOBAL, true },
  2974. { "bitfieldExtract", TYPE_UVEC4, { TYPE_UVEC4, TYPE_INT, TYPE_INT, TYPE_VOID }, { "value", "offset", "bits" }, TAG_GLOBAL, true },
  2975. // bitfieldInsert
  2976. { "bitfieldInsert", TYPE_INT, { TYPE_INT, TYPE_INT, TYPE_INT, TYPE_INT, TYPE_VOID }, { "base", "insert", "offset", "bits" }, TAG_GLOBAL, true },
  2977. { "bitfieldInsert", TYPE_IVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_INT, TYPE_INT, TYPE_VOID }, { "base", "insert", "offset", "bits" }, TAG_GLOBAL, true },
  2978. { "bitfieldInsert", TYPE_IVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_INT, TYPE_INT, TYPE_VOID }, { "base", "insert", "offset", "bits" }, TAG_GLOBAL, true },
  2979. { "bitfieldInsert", TYPE_IVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_INT, TYPE_INT, TYPE_VOID }, { "base", "insert", "offset", "bits" }, TAG_GLOBAL, true },
  2980. { "bitfieldInsert", TYPE_UINT, { TYPE_UINT, TYPE_UINT, TYPE_INT, TYPE_INT, TYPE_VOID }, { "base", "insert", "offset", "bits" }, TAG_GLOBAL, true },
  2981. { "bitfieldInsert", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_INT, TYPE_INT, TYPE_VOID }, { "base", "insert", "offset", "bits" }, TAG_GLOBAL, true },
  2982. { "bitfieldInsert", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_INT, TYPE_INT, TYPE_VOID }, { "base", "insert", "offset", "bits" }, TAG_GLOBAL, true },
  2983. { "bitfieldInsert", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_INT, TYPE_INT, TYPE_VOID }, { "base", "insert", "offset", "bits" }, TAG_GLOBAL, true },
  2984. // bitfieldReverse
  2985. { "bitfieldReverse", TYPE_INT, { TYPE_INT, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2986. { "bitfieldReverse", TYPE_IVEC2, { TYPE_IVEC2, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2987. { "bitfieldReverse", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2988. { "bitfieldReverse", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2989. { "bitfieldReverse", TYPE_UINT, { TYPE_UINT, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2990. { "bitfieldReverse", TYPE_UVEC2, { TYPE_UVEC2, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2991. { "bitfieldReverse", TYPE_UVEC3, { TYPE_UVEC3, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2992. { "bitfieldReverse", TYPE_UVEC4, { TYPE_UVEC4, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2993. // bitCount
  2994. { "bitCount", TYPE_INT, { TYPE_INT, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2995. { "bitCount", TYPE_IVEC2, { TYPE_IVEC2, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2996. { "bitCount", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2997. { "bitCount", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2998. { "bitCount", TYPE_UINT, { TYPE_UINT, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  2999. { "bitCount", TYPE_UVEC2, { TYPE_UVEC2, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3000. { "bitCount", TYPE_UVEC3, { TYPE_UVEC3, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3001. { "bitCount", TYPE_UVEC4, { TYPE_UVEC4, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3002. // findLSB
  3003. { "findLSB", TYPE_INT, { TYPE_INT, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3004. { "findLSB", TYPE_IVEC2, { TYPE_IVEC2, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3005. { "findLSB", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3006. { "findLSB", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3007. { "findLSB", TYPE_UINT, { TYPE_UINT, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3008. { "findLSB", TYPE_UVEC2, { TYPE_UVEC2, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3009. { "findLSB", TYPE_UVEC3, { TYPE_UVEC3, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3010. { "findLSB", TYPE_UVEC4, { TYPE_UVEC4, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3011. // findMSB
  3012. { "findMSB", TYPE_INT, { TYPE_INT, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3013. { "findMSB", TYPE_IVEC2, { TYPE_IVEC2, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3014. { "findMSB", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3015. { "findMSB", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3016. { "findMSB", TYPE_UINT, { TYPE_UINT, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3017. { "findMSB", TYPE_UVEC2, { TYPE_UVEC2, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3018. { "findMSB", TYPE_UVEC3, { TYPE_UVEC3, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3019. { "findMSB", TYPE_UVEC4, { TYPE_UVEC4, TYPE_VOID }, { "value" }, TAG_GLOBAL, true },
  3020. // umulExtended
  3021. { "umulExtended", TYPE_VOID, { TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "x", "y", "msb", "lsb" }, TAG_GLOBAL, true },
  3022. { "umulExtended", TYPE_VOID, { TYPE_UVEC2, TYPE_UVEC2, TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "x", "y", "msb", "lsb" }, TAG_GLOBAL, true },
  3023. { "umulExtended", TYPE_VOID, { TYPE_UVEC3, TYPE_UVEC3, TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "x", "y", "msb", "lsb" }, TAG_GLOBAL, true },
  3024. { "umulExtended", TYPE_VOID, { TYPE_UVEC4, TYPE_UVEC4, TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "x", "y", "msb", "lsb" }, TAG_GLOBAL, true },
  3025. // imulExtended
  3026. { "imulExtended", TYPE_VOID, { TYPE_INT, TYPE_INT, TYPE_INT, TYPE_INT, TYPE_VOID }, { "x", "y", "msb", "lsb" }, TAG_GLOBAL, true },
  3027. { "imulExtended", TYPE_VOID, { TYPE_IVEC2, TYPE_IVEC2, TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, { "x", "y", "msb", "lsb" }, TAG_GLOBAL, true },
  3028. { "imulExtended", TYPE_VOID, { TYPE_IVEC3, TYPE_IVEC3, TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, { "x", "y", "msb", "lsb" }, TAG_GLOBAL, true },
  3029. { "imulExtended", TYPE_VOID, { TYPE_IVEC4, TYPE_IVEC4, TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, { "x", "y", "msb", "lsb" }, TAG_GLOBAL, true },
  3030. // uaddCarry
  3031. { "uaddCarry", TYPE_UINT, { TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "x", "y", "carry" }, TAG_GLOBAL, true },
  3032. { "uaddCarry", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "x", "y", "carry" }, TAG_GLOBAL, true },
  3033. { "uaddCarry", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "x", "y", "carry" }, TAG_GLOBAL, true },
  3034. { "uaddCarry", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "x", "y", "carry" }, TAG_GLOBAL, true },
  3035. // usubBorrow
  3036. { "usubBorrow", TYPE_UINT, { TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_VOID }, { "x", "y", "borrow" }, TAG_GLOBAL, true },
  3037. { "usubBorrow", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, { "x", "y", "borrow" }, TAG_GLOBAL, true },
  3038. { "usubBorrow", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, { "x", "y", "borrow" }, TAG_GLOBAL, true },
  3039. { "usubBorrow", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, { "x", "y", "borrow" }, TAG_GLOBAL, true },
  3040. // ldexp
  3041. { "ldexp", TYPE_FLOAT, { TYPE_FLOAT, TYPE_INT, TYPE_VOID }, { "x", "exp" }, TAG_GLOBAL, true },
  3042. { "ldexp", TYPE_VEC2, { TYPE_VEC2, TYPE_IVEC2, TYPE_VOID }, { "x", "exp" }, TAG_GLOBAL, true },
  3043. { "ldexp", TYPE_VEC3, { TYPE_VEC3, TYPE_IVEC3, TYPE_VOID }, { "x", "exp" }, TAG_GLOBAL, true },
  3044. { "ldexp", TYPE_VEC4, { TYPE_VEC4, TYPE_IVEC4, TYPE_VOID }, { "x", "exp" }, TAG_GLOBAL, true },
  3045. // frexp
  3046. { "frexp", TYPE_FLOAT, { TYPE_FLOAT, TYPE_INT, TYPE_VOID }, { "x", "exp" }, TAG_GLOBAL, true },
  3047. { "frexp", TYPE_VEC2, { TYPE_VEC2, TYPE_IVEC2, TYPE_VOID }, { "x", "exp" }, TAG_GLOBAL, true },
  3048. { "frexp", TYPE_VEC3, { TYPE_VEC3, TYPE_IVEC3, TYPE_VOID }, { "x", "exp" }, TAG_GLOBAL, true },
  3049. { "frexp", TYPE_VEC4, { TYPE_VEC4, TYPE_IVEC4, TYPE_VOID }, { "x", "exp" }, TAG_GLOBAL, true },
  3050. { nullptr, TYPE_VOID, { TYPE_VOID }, { "" }, TAG_GLOBAL, false }
  3051. };
  3052. HashSet<StringName> global_func_set;
  3053. const ShaderLanguage::BuiltinFuncOutArgs ShaderLanguage::builtin_func_out_args[] = {
  3054. { "modf", { 1, -1 } },
  3055. { "umulExtended", { 2, 3 } },
  3056. { "imulExtended", { 2, 3 } },
  3057. { "uaddCarry", { 2, -1 } },
  3058. { "usubBorrow", { 2, -1 } },
  3059. { "ldexp", { 1, -1 } },
  3060. { "frexp", { 1, -1 } },
  3061. { nullptr, { 0, -1 } }
  3062. };
  3063. const ShaderLanguage::BuiltinFuncConstArgs ShaderLanguage::builtin_func_const_args[] = {
  3064. { "textureGather", 2, 0, 3 },
  3065. { nullptr, 0, 0, 0 }
  3066. };
  3067. const ShaderLanguage::BuiltinEntry ShaderLanguage::frag_only_func_defs[] = {
  3068. { "dFdx" },
  3069. { "dFdxCoarse" },
  3070. { "dFdxFine" },
  3071. { "dFdy" },
  3072. { "dFdyCoarse" },
  3073. { "dFdyFine" },
  3074. { "fwidth" },
  3075. { "fwidthCoarse" },
  3076. { "fwidthFine" },
  3077. { nullptr }
  3078. };
  3079. bool ShaderLanguage::is_const_suffix_lut_initialized = false;
  3080. bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const FunctionInfo &p_function_info, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str, bool *r_is_custom_function) {
  3081. ERR_FAIL_COND_V(p_func->op != OP_CALL && p_func->op != OP_CONSTRUCT, false);
  3082. Vector<DataType> args;
  3083. Vector<StringName> args2;
  3084. Vector<int> args3;
  3085. ERR_FAIL_COND_V(p_func->arguments[0]->type != Node::NODE_TYPE_VARIABLE, false);
  3086. StringName name = static_cast<VariableNode *>(p_func->arguments[0])->name.operator String();
  3087. StringName rname = static_cast<VariableNode *>(p_func->arguments[0])->rname.operator String();
  3088. for (int i = 1; i < p_func->arguments.size(); i++) {
  3089. args.push_back(p_func->arguments[i]->get_datatype());
  3090. args2.push_back(p_func->arguments[i]->get_datatype_name());
  3091. args3.push_back(p_func->arguments[i]->get_array_size());
  3092. }
  3093. int argcount = args.size();
  3094. if (stages) {
  3095. // Stage functions can be used in custom functions as well, that why need to check them all.
  3096. for (const KeyValue<StringName, FunctionInfo> &E : *stages) {
  3097. if (E.value.stage_functions.has(name)) {
  3098. // Stage-based function.
  3099. const StageFunctionInfo &sf = E.value.stage_functions[name];
  3100. if (argcount != sf.arguments.size()) {
  3101. _set_error(vformat(RTR("Invalid number of arguments when calling stage function '%s', which expects %d arguments."), String(name), sf.arguments.size()));
  3102. return false;
  3103. }
  3104. // Validate arguments.
  3105. for (int i = 0; i < argcount; i++) {
  3106. if (args[i] != sf.arguments[i].type) {
  3107. _set_error(vformat(RTR("Invalid argument type when calling stage function '%s', type expected is '%s'."), String(name), get_datatype_name(sf.arguments[i].type)));
  3108. return false;
  3109. }
  3110. }
  3111. if (r_ret_type) {
  3112. *r_ret_type = sf.return_type;
  3113. }
  3114. if (r_ret_type_str) {
  3115. *r_ret_type_str = "";
  3116. }
  3117. return true;
  3118. }
  3119. }
  3120. }
  3121. bool failed_builtin = false;
  3122. bool unsupported_builtin = false;
  3123. int builtin_idx = 0;
  3124. if (argcount <= 4) {
  3125. // test builtins
  3126. int idx = 0;
  3127. while (builtin_func_defs[idx].name) {
  3128. if (completion_class != builtin_func_defs[idx].tag) {
  3129. idx++;
  3130. continue;
  3131. }
  3132. if (name == builtin_func_defs[idx].name) {
  3133. failed_builtin = true;
  3134. bool fail = false;
  3135. for (int i = 0; i < argcount; i++) {
  3136. if (p_func->arguments[i + 1]->type == Node::NODE_TYPE_ARRAY) {
  3137. const ArrayNode *anode = static_cast<const ArrayNode *>(p_func->arguments[i + 1]);
  3138. if (anode->call_expression == nullptr && !anode->is_indexed()) {
  3139. fail = true;
  3140. break;
  3141. }
  3142. }
  3143. if (get_scalar_type(args[i]) == args[i] && p_func->arguments[i + 1]->type == Node::NODE_TYPE_CONSTANT && convert_constant(static_cast<ConstantNode *>(p_func->arguments[i + 1]), builtin_func_defs[idx].args[i])) {
  3144. //all good, but needs implicit conversion later
  3145. } else if (args[i] != builtin_func_defs[idx].args[i]) {
  3146. fail = true;
  3147. break;
  3148. }
  3149. }
  3150. if (!fail) {
  3151. if (RenderingServer::get_singleton()->is_low_end()) {
  3152. if (builtin_func_defs[idx].high_end) {
  3153. fail = true;
  3154. unsupported_builtin = true;
  3155. builtin_idx = idx;
  3156. }
  3157. }
  3158. }
  3159. if (!fail && argcount < 4 && builtin_func_defs[idx].args[argcount] != TYPE_VOID) {
  3160. fail = true; //make sure the number of arguments matches
  3161. }
  3162. if (!fail) {
  3163. {
  3164. int constarg_idx = 0;
  3165. while (builtin_func_const_args[constarg_idx].name) {
  3166. if (String(name) == builtin_func_const_args[constarg_idx].name) {
  3167. int arg = builtin_func_const_args[constarg_idx].arg + 1;
  3168. if (p_func->arguments.size() <= arg) {
  3169. break;
  3170. }
  3171. int min = builtin_func_const_args[constarg_idx].min;
  3172. int max = builtin_func_const_args[constarg_idx].max;
  3173. bool error = false;
  3174. Vector<Scalar> values = _get_node_values(p_block, p_func->arguments[arg]);
  3175. if (p_func->arguments[arg]->get_datatype() == TYPE_INT && !values.is_empty()) {
  3176. if (values[0].sint < min || values[0].sint > max) {
  3177. error = true;
  3178. }
  3179. } else {
  3180. error = true;
  3181. }
  3182. if (error) {
  3183. _set_error(vformat(RTR("Expected integer constant within [%d..%d] range."), min, max));
  3184. return false;
  3185. }
  3186. }
  3187. constarg_idx++;
  3188. }
  3189. }
  3190. //make sure its not an out argument used in the wrong way
  3191. int outarg_idx = 0;
  3192. while (builtin_func_out_args[outarg_idx].name) {
  3193. if (String(name) == builtin_func_out_args[outarg_idx].name) {
  3194. for (int arg = 0; arg < BuiltinFuncOutArgs::MAX_ARGS; arg++) {
  3195. int arg_idx = builtin_func_out_args[outarg_idx].arguments[arg];
  3196. if (arg_idx == -1) {
  3197. break;
  3198. }
  3199. if (arg_idx < argcount) {
  3200. if (p_func->arguments[arg_idx + 1]->type != Node::NODE_TYPE_VARIABLE && p_func->arguments[arg_idx + 1]->type != Node::NODE_TYPE_MEMBER && p_func->arguments[arg_idx + 1]->type != Node::NODE_TYPE_ARRAY) {
  3201. _set_error(vformat(RTR("Argument %d of function '%s' is not a variable, array, or member."), arg_idx + 1, String(name)));
  3202. return false;
  3203. }
  3204. if (p_func->arguments[arg_idx + 1]->type == Node::NODE_TYPE_ARRAY) {
  3205. ArrayNode *mn = static_cast<ArrayNode *>(p_func->arguments[arg_idx + 1]);
  3206. if (mn->is_const) {
  3207. fail = true;
  3208. }
  3209. } else if (p_func->arguments[arg_idx + 1]->type == Node::NODE_TYPE_MEMBER) {
  3210. MemberNode *mn = static_cast<MemberNode *>(p_func->arguments[arg_idx + 1]);
  3211. if (mn->basetype_const) {
  3212. fail = true;
  3213. }
  3214. } else { // TYPE_VARIABLE
  3215. VariableNode *vn = static_cast<VariableNode *>(p_func->arguments[arg_idx + 1]);
  3216. if (vn->is_const) {
  3217. fail = true;
  3218. } else {
  3219. StringName varname = vn->name;
  3220. if (shader->uniforms.has(varname)) {
  3221. fail = true;
  3222. } else {
  3223. if (shader->varyings.has(varname)) {
  3224. _set_error(vformat(RTR("Varyings cannot be passed for the '%s' parameter."), "out"));
  3225. return false;
  3226. }
  3227. if (p_function_info.built_ins.has(varname)) {
  3228. BuiltInInfo info = p_function_info.built_ins[varname];
  3229. if (info.constant) {
  3230. fail = true;
  3231. }
  3232. }
  3233. }
  3234. }
  3235. }
  3236. if (fail) {
  3237. _set_error(vformat(RTR("A constant value cannot be passed for the '%s' parameter."), "out"));
  3238. return false;
  3239. }
  3240. StringName var_name;
  3241. if (p_func->arguments[arg_idx + 1]->type == Node::NODE_TYPE_ARRAY) {
  3242. var_name = static_cast<const ArrayNode *>(p_func->arguments[arg_idx + 1])->name;
  3243. } else if (p_func->arguments[arg_idx + 1]->type == Node::NODE_TYPE_MEMBER) {
  3244. Node *n = static_cast<const MemberNode *>(p_func->arguments[arg_idx + 1])->owner;
  3245. while (n->type == Node::NODE_TYPE_MEMBER) {
  3246. n = static_cast<const MemberNode *>(n)->owner;
  3247. }
  3248. if (n->type != Node::NODE_TYPE_VARIABLE && n->type != Node::NODE_TYPE_ARRAY) {
  3249. _set_error(vformat(RTR("Argument %d of function '%s' is not a variable, array, or member."), arg_idx + 1, String(name)));
  3250. return false;
  3251. }
  3252. if (n->type == Node::NODE_TYPE_VARIABLE) {
  3253. var_name = static_cast<const VariableNode *>(n)->name;
  3254. } else { // TYPE_ARRAY
  3255. var_name = static_cast<const ArrayNode *>(n)->name;
  3256. }
  3257. } else { // TYPE_VARIABLE
  3258. var_name = static_cast<const VariableNode *>(p_func->arguments[arg_idx + 1])->name;
  3259. }
  3260. const BlockNode *b = p_block;
  3261. bool valid = false;
  3262. while (b) {
  3263. if (b->variables.has(var_name) || p_function_info.built_ins.has(var_name)) {
  3264. valid = true;
  3265. break;
  3266. }
  3267. if (b->parent_function) {
  3268. for (int i = 0; i < b->parent_function->arguments.size(); i++) {
  3269. if (b->parent_function->arguments[i].name == var_name) {
  3270. valid = true;
  3271. break;
  3272. }
  3273. }
  3274. }
  3275. b = b->parent_block;
  3276. }
  3277. if (!valid) {
  3278. _set_error(vformat(RTR("Argument %d of function '%s' can only take a local variable, array, or member."), arg_idx + 1, String(name)));
  3279. return false;
  3280. }
  3281. }
  3282. }
  3283. }
  3284. outarg_idx++;
  3285. }
  3286. //implicitly convert values if possible
  3287. for (int i = 0; i < argcount; i++) {
  3288. if (get_scalar_type(args[i]) != args[i] || args[i] == builtin_func_defs[idx].args[i] || p_func->arguments[i + 1]->type != Node::NODE_TYPE_CONSTANT) {
  3289. //can't do implicit conversion here
  3290. continue;
  3291. }
  3292. //this is an implicit conversion
  3293. ConstantNode *constant = static_cast<ConstantNode *>(p_func->arguments[i + 1]);
  3294. ConstantNode *conversion = alloc_node<ConstantNode>();
  3295. conversion->datatype = builtin_func_defs[idx].args[i];
  3296. conversion->values.resize(1);
  3297. convert_constant(constant, builtin_func_defs[idx].args[i], conversion->values.ptrw());
  3298. p_func->arguments.write[i + 1] = conversion;
  3299. }
  3300. if (r_ret_type) {
  3301. *r_ret_type = builtin_func_defs[idx].rettype;
  3302. }
  3303. return true;
  3304. }
  3305. }
  3306. idx++;
  3307. }
  3308. }
  3309. if (unsupported_builtin) {
  3310. String arglist = "";
  3311. for (int i = 0; i < argcount; i++) {
  3312. if (i > 0) {
  3313. arglist += ", ";
  3314. }
  3315. arglist += get_datatype_name(builtin_func_defs[builtin_idx].args[i]);
  3316. }
  3317. _set_error(vformat(RTR("Built-in function \"%s(%s)\" is only supported on high-end platforms."), String(name), arglist));
  3318. return false;
  3319. }
  3320. if (failed_builtin) {
  3321. String arg_list;
  3322. for (int i = 0; i < argcount; i++) {
  3323. if (i > 0) {
  3324. arg_list += ",";
  3325. }
  3326. String arg_name;
  3327. if (args[i] == TYPE_STRUCT) {
  3328. arg_name = args2[i];
  3329. } else {
  3330. arg_name = get_datatype_name(args[i]);
  3331. }
  3332. if (args3[i] > 0) {
  3333. arg_name += "[";
  3334. arg_name += itos(args3[i]);
  3335. arg_name += "]";
  3336. }
  3337. arg_list += arg_name;
  3338. }
  3339. _set_error(vformat(RTR("Invalid arguments for the built-in function: \"%s(%s)\"."), String(name), arg_list));
  3340. return false;
  3341. }
  3342. // try existing functions..
  3343. StringName exclude_function;
  3344. BlockNode *block = p_block;
  3345. while (block) {
  3346. if (block->parent_function) {
  3347. exclude_function = block->parent_function->name;
  3348. }
  3349. block = block->parent_block;
  3350. }
  3351. if (name == exclude_function) {
  3352. _set_error(RTR("Recursion is not allowed."));
  3353. return false;
  3354. }
  3355. int last_arg_count = 0;
  3356. bool exists = false;
  3357. String arg_list = "";
  3358. for (int i = 0; i < shader->vfunctions.size(); i++) {
  3359. if (name != shader->vfunctions[i].name) {
  3360. continue;
  3361. }
  3362. exists = true;
  3363. if (!shader->vfunctions[i].callable) {
  3364. _set_error(vformat(RTR("Function '%s' can't be called from source code."), String(name)));
  3365. return false;
  3366. }
  3367. FunctionNode *pfunc = shader->vfunctions[i].function;
  3368. if (arg_list.is_empty()) {
  3369. for (int j = 0; j < pfunc->arguments.size(); j++) {
  3370. if (j > 0) {
  3371. arg_list += ", ";
  3372. }
  3373. String func_arg_name;
  3374. if (pfunc->arguments[j].type == TYPE_STRUCT) {
  3375. func_arg_name = pfunc->arguments[j].struct_name;
  3376. } else {
  3377. func_arg_name = get_datatype_name(pfunc->arguments[j].type);
  3378. }
  3379. if (pfunc->arguments[j].array_size > 0) {
  3380. func_arg_name += "[";
  3381. func_arg_name += itos(pfunc->arguments[j].array_size);
  3382. func_arg_name += "]";
  3383. }
  3384. arg_list += func_arg_name;
  3385. }
  3386. }
  3387. if (pfunc->arguments.size() != args.size()) {
  3388. last_arg_count = pfunc->arguments.size();
  3389. continue;
  3390. }
  3391. bool fail = false;
  3392. bool use_constant_conversion = function_overload_count[rname] == 0;
  3393. for (int j = 0; j < args.size(); j++) {
  3394. if (use_constant_conversion && get_scalar_type(args[j]) == args[j] && p_func->arguments[j + 1]->type == Node::NODE_TYPE_CONSTANT && args3[j] == 0 && convert_constant(static_cast<ConstantNode *>(p_func->arguments[j + 1]), pfunc->arguments[j].type)) {
  3395. //all good, but it needs implicit conversion later
  3396. } else if (args[j] != pfunc->arguments[j].type || (args[j] == TYPE_STRUCT && args2[j] != pfunc->arguments[j].struct_name) || args3[j] != pfunc->arguments[j].array_size) {
  3397. String func_arg_name;
  3398. if (pfunc->arguments[j].type == TYPE_STRUCT) {
  3399. func_arg_name = pfunc->arguments[j].struct_name;
  3400. } else {
  3401. func_arg_name = get_datatype_name(pfunc->arguments[j].type);
  3402. }
  3403. if (pfunc->arguments[j].array_size > 0) {
  3404. func_arg_name += "[";
  3405. func_arg_name += itos(pfunc->arguments[j].array_size);
  3406. func_arg_name += "]";
  3407. }
  3408. String arg_name;
  3409. if (args[j] == TYPE_STRUCT) {
  3410. arg_name = args2[j];
  3411. } else {
  3412. arg_name = get_datatype_name(args[j]);
  3413. }
  3414. if (args3[j] > 0) {
  3415. arg_name += "[";
  3416. arg_name += itos(args3[j]);
  3417. arg_name += "]";
  3418. }
  3419. _set_error(vformat(RTR("Invalid argument for \"%s(%s)\" function: argument %d should be %s but is %s."), String(rname), arg_list, j + 1, func_arg_name, arg_name));
  3420. fail = true;
  3421. break;
  3422. }
  3423. }
  3424. if (!fail) {
  3425. //implicitly convert values if possible
  3426. for (int k = 0; k < args.size(); k++) {
  3427. if (get_scalar_type(args[k]) != args[k] || args[k] == pfunc->arguments[k].type || p_func->arguments[k + 1]->type != Node::NODE_TYPE_CONSTANT) {
  3428. //can't do implicit conversion here
  3429. continue;
  3430. }
  3431. //this is an implicit conversion
  3432. ConstantNode *constant = static_cast<ConstantNode *>(p_func->arguments[k + 1]);
  3433. ConstantNode *conversion = alloc_node<ConstantNode>();
  3434. conversion->datatype = pfunc->arguments[k].type;
  3435. conversion->values.resize(1);
  3436. convert_constant(constant, pfunc->arguments[k].type, conversion->values.ptrw());
  3437. p_func->arguments.write[k + 1] = conversion;
  3438. }
  3439. if (r_ret_type) {
  3440. *r_ret_type = pfunc->return_type;
  3441. if (pfunc->return_type == TYPE_STRUCT) {
  3442. *r_ret_type_str = pfunc->return_struct_name;
  3443. }
  3444. }
  3445. if (r_is_custom_function) {
  3446. *r_is_custom_function = true;
  3447. }
  3448. return true;
  3449. }
  3450. }
  3451. if (exists) {
  3452. if (last_arg_count > args.size()) {
  3453. _set_error(vformat(RTR("Too few arguments for \"%s(%s)\" call. Expected at least %d but received %d."), String(rname), arg_list, last_arg_count, args.size()));
  3454. } else if (last_arg_count < args.size()) {
  3455. _set_error(vformat(RTR("Too many arguments for \"%s(%s)\" call. Expected at most %d but received %d."), String(rname), arg_list, last_arg_count, args.size()));
  3456. }
  3457. }
  3458. return false;
  3459. }
  3460. bool ShaderLanguage::_compare_datatypes(DataType p_datatype_a, String p_datatype_name_a, int p_array_size_a, DataType p_datatype_b, String p_datatype_name_b, int p_array_size_b) {
  3461. bool result = true;
  3462. if (p_datatype_a == TYPE_STRUCT || p_datatype_b == TYPE_STRUCT) {
  3463. if (p_datatype_name_a != p_datatype_name_b) {
  3464. result = false;
  3465. }
  3466. } else {
  3467. if (p_datatype_a != p_datatype_b) {
  3468. result = false;
  3469. }
  3470. }
  3471. if (p_array_size_a != p_array_size_b) {
  3472. result = false;
  3473. }
  3474. if (!result) {
  3475. String type_name = p_datatype_a == TYPE_STRUCT ? p_datatype_name_a : get_datatype_name(p_datatype_a);
  3476. if (p_array_size_a > 0) {
  3477. type_name += "[";
  3478. type_name += itos(p_array_size_a);
  3479. type_name += "]";
  3480. }
  3481. String type_name2 = p_datatype_b == TYPE_STRUCT ? p_datatype_name_b : get_datatype_name(p_datatype_b);
  3482. if (p_array_size_b > 0) {
  3483. type_name2 += "[";
  3484. type_name2 += itos(p_array_size_b);
  3485. type_name2 += "]";
  3486. }
  3487. _set_error(vformat(RTR("Invalid assignment of '%s' to '%s'."), type_name2, type_name));
  3488. }
  3489. return result;
  3490. }
  3491. bool ShaderLanguage::_compare_datatypes_in_nodes(Node *a, Node *b) {
  3492. return _compare_datatypes(a->get_datatype(), a->get_datatype_name(), a->get_array_size(), b->get_datatype(), b->get_datatype_name(), b->get_array_size());
  3493. }
  3494. bool ShaderLanguage::_parse_function_arguments(BlockNode *p_block, const FunctionInfo &p_function_info, OperatorNode *p_func, int *r_complete_arg) {
  3495. TkPos pos = _get_tkpos();
  3496. Token tk = _get_token();
  3497. if (tk.type == TK_PARENTHESIS_CLOSE) {
  3498. return true;
  3499. }
  3500. _set_tkpos(pos);
  3501. while (true) {
  3502. if (r_complete_arg) {
  3503. pos = _get_tkpos();
  3504. tk = _get_token();
  3505. if (tk.type == TK_CURSOR) {
  3506. *r_complete_arg = p_func->arguments.size() - 1;
  3507. } else {
  3508. _set_tkpos(pos);
  3509. }
  3510. }
  3511. Node *arg = _parse_and_reduce_expression(p_block, p_function_info);
  3512. if (!arg) {
  3513. return false;
  3514. }
  3515. if (is_const_decl && arg->type == Node::NODE_TYPE_VARIABLE) {
  3516. const VariableNode *var = static_cast<const VariableNode *>(arg);
  3517. if (!var->is_const) {
  3518. _set_error(RTR("Expected constant expression."));
  3519. return false;
  3520. }
  3521. }
  3522. p_func->arguments.push_back(arg);
  3523. tk = _get_token();
  3524. if (tk.type == TK_PARENTHESIS_CLOSE) {
  3525. return true;
  3526. } else if (tk.type != TK_COMMA) {
  3527. // something is broken
  3528. _set_error(RTR("Expected ',' or ')' after argument."));
  3529. return false;
  3530. }
  3531. }
  3532. return true;
  3533. }
  3534. bool ShaderLanguage::is_token_operator(TokenType p_type) {
  3535. return (p_type == TK_OP_EQUAL ||
  3536. p_type == TK_OP_NOT_EQUAL ||
  3537. p_type == TK_OP_LESS ||
  3538. p_type == TK_OP_LESS_EQUAL ||
  3539. p_type == TK_OP_GREATER ||
  3540. p_type == TK_OP_GREATER_EQUAL ||
  3541. p_type == TK_OP_AND ||
  3542. p_type == TK_OP_OR ||
  3543. p_type == TK_OP_NOT ||
  3544. p_type == TK_OP_ADD ||
  3545. p_type == TK_OP_SUB ||
  3546. p_type == TK_OP_MUL ||
  3547. p_type == TK_OP_DIV ||
  3548. p_type == TK_OP_MOD ||
  3549. p_type == TK_OP_SHIFT_LEFT ||
  3550. p_type == TK_OP_SHIFT_RIGHT ||
  3551. p_type == TK_OP_ASSIGN ||
  3552. p_type == TK_OP_ASSIGN_ADD ||
  3553. p_type == TK_OP_ASSIGN_SUB ||
  3554. p_type == TK_OP_ASSIGN_MUL ||
  3555. p_type == TK_OP_ASSIGN_DIV ||
  3556. p_type == TK_OP_ASSIGN_MOD ||
  3557. p_type == TK_OP_ASSIGN_SHIFT_LEFT ||
  3558. p_type == TK_OP_ASSIGN_SHIFT_RIGHT ||
  3559. p_type == TK_OP_ASSIGN_BIT_AND ||
  3560. p_type == TK_OP_ASSIGN_BIT_OR ||
  3561. p_type == TK_OP_ASSIGN_BIT_XOR ||
  3562. p_type == TK_OP_BIT_AND ||
  3563. p_type == TK_OP_BIT_OR ||
  3564. p_type == TK_OP_BIT_XOR ||
  3565. p_type == TK_OP_BIT_INVERT ||
  3566. p_type == TK_OP_INCREMENT ||
  3567. p_type == TK_OP_DECREMENT ||
  3568. p_type == TK_QUESTION ||
  3569. p_type == TK_COLON);
  3570. }
  3571. bool ShaderLanguage::is_token_operator_assign(TokenType p_type) {
  3572. return (p_type == TK_OP_ASSIGN ||
  3573. p_type == TK_OP_ASSIGN_ADD ||
  3574. p_type == TK_OP_ASSIGN_SUB ||
  3575. p_type == TK_OP_ASSIGN_MUL ||
  3576. p_type == TK_OP_ASSIGN_DIV ||
  3577. p_type == TK_OP_ASSIGN_MOD ||
  3578. p_type == TK_OP_ASSIGN_SHIFT_LEFT ||
  3579. p_type == TK_OP_ASSIGN_SHIFT_RIGHT ||
  3580. p_type == TK_OP_ASSIGN_BIT_AND ||
  3581. p_type == TK_OP_ASSIGN_BIT_OR ||
  3582. p_type == TK_OP_ASSIGN_BIT_XOR);
  3583. }
  3584. bool ShaderLanguage::is_token_hint(TokenType p_type) {
  3585. return int(p_type) > int(TK_RENDER_MODE) && int(p_type) < int(TK_SHADER_TYPE);
  3586. }
  3587. bool ShaderLanguage::convert_constant(ConstantNode *p_constant, DataType p_to_type, Scalar *p_value) {
  3588. if (p_constant->datatype == p_to_type) {
  3589. if (p_value) {
  3590. for (int i = 0; i < p_constant->values.size(); i++) {
  3591. p_value[i] = p_constant->values[i];
  3592. }
  3593. }
  3594. return true;
  3595. } else if (p_constant->datatype == TYPE_INT && p_to_type == TYPE_FLOAT) {
  3596. if (p_value) {
  3597. p_value->real = p_constant->values[0].sint;
  3598. }
  3599. return true;
  3600. } else if (p_constant->datatype == TYPE_UINT && p_to_type == TYPE_FLOAT) {
  3601. if (p_value) {
  3602. p_value->real = p_constant->values[0].uint;
  3603. }
  3604. return true;
  3605. } else if (p_constant->datatype == TYPE_INT && p_to_type == TYPE_UINT) {
  3606. if (p_constant->values[0].sint < 0) {
  3607. return false;
  3608. }
  3609. if (p_value) {
  3610. p_value->uint = p_constant->values[0].sint;
  3611. }
  3612. return true;
  3613. } else if (p_constant->datatype == TYPE_UINT && p_to_type == TYPE_INT) {
  3614. if (p_constant->values[0].uint > 0x7FFFFFFF) {
  3615. return false;
  3616. }
  3617. if (p_value) {
  3618. p_value->sint = p_constant->values[0].uint;
  3619. }
  3620. return true;
  3621. } else {
  3622. return false;
  3623. }
  3624. }
  3625. bool ShaderLanguage::is_scalar_type(DataType p_type) {
  3626. return p_type == TYPE_BOOL || p_type == TYPE_INT || p_type == TYPE_UINT || p_type == TYPE_FLOAT;
  3627. }
  3628. bool ShaderLanguage::is_float_type(DataType p_type) {
  3629. switch (p_type) {
  3630. case TYPE_FLOAT:
  3631. case TYPE_VEC2:
  3632. case TYPE_VEC3:
  3633. case TYPE_VEC4:
  3634. case TYPE_MAT2:
  3635. case TYPE_MAT3:
  3636. case TYPE_MAT4:
  3637. case TYPE_SAMPLER2D:
  3638. case TYPE_SAMPLER2DARRAY:
  3639. case TYPE_SAMPLER3D:
  3640. case TYPE_SAMPLERCUBE:
  3641. case TYPE_SAMPLERCUBEARRAY: {
  3642. return true;
  3643. }
  3644. default: {
  3645. return false;
  3646. }
  3647. }
  3648. }
  3649. bool ShaderLanguage::is_sampler_type(DataType p_type) {
  3650. return p_type > TYPE_MAT4 && p_type < TYPE_STRUCT;
  3651. }
  3652. Variant ShaderLanguage::constant_value_to_variant(const Vector<Scalar> &p_value, DataType p_type, int p_array_size, ShaderLanguage::ShaderNode::Uniform::Hint p_hint) {
  3653. int array_size = p_array_size;
  3654. if (p_value.size() > 0) {
  3655. Variant value;
  3656. switch (p_type) {
  3657. case ShaderLanguage::TYPE_BOOL:
  3658. if (array_size > 0) {
  3659. PackedInt32Array array;
  3660. for (int i = 0; i < array_size; i++) {
  3661. array.push_back(p_value[i].boolean);
  3662. }
  3663. value = Variant(array);
  3664. } else {
  3665. value = Variant(p_value[0].boolean);
  3666. }
  3667. break;
  3668. case ShaderLanguage::TYPE_BVEC2:
  3669. array_size *= 2;
  3670. if (array_size > 0) {
  3671. PackedInt32Array array;
  3672. for (int i = 0; i < array_size; i++) {
  3673. array.push_back(p_value[i].boolean);
  3674. }
  3675. value = Variant(array);
  3676. } else {
  3677. value = Variant(p_value[0].boolean);
  3678. }
  3679. break;
  3680. case ShaderLanguage::TYPE_BVEC3:
  3681. array_size *= 3;
  3682. if (array_size > 0) {
  3683. PackedInt32Array array;
  3684. for (int i = 0; i < array_size; i++) {
  3685. array.push_back(p_value[i].boolean);
  3686. }
  3687. value = Variant(array);
  3688. } else {
  3689. value = Variant(p_value[0].boolean);
  3690. }
  3691. break;
  3692. case ShaderLanguage::TYPE_BVEC4:
  3693. array_size *= 4;
  3694. if (array_size > 0) {
  3695. PackedInt32Array array;
  3696. for (int i = 0; i < array_size; i++) {
  3697. array.push_back(p_value[i].boolean);
  3698. }
  3699. value = Variant(array);
  3700. } else {
  3701. value = Variant(p_value[0].boolean);
  3702. }
  3703. break;
  3704. case ShaderLanguage::TYPE_INT:
  3705. if (array_size > 0) {
  3706. PackedInt32Array array;
  3707. for (int i = 0; i < array_size; i++) {
  3708. array.push_back(p_value[i].sint);
  3709. }
  3710. value = Variant(array);
  3711. } else {
  3712. value = Variant(p_value[0].sint);
  3713. }
  3714. break;
  3715. case ShaderLanguage::TYPE_IVEC2:
  3716. if (array_size > 0) {
  3717. array_size *= 2;
  3718. PackedInt32Array array;
  3719. for (int i = 0; i < array_size; i++) {
  3720. array.push_back(p_value[i].sint);
  3721. }
  3722. value = Variant(array);
  3723. } else {
  3724. value = Variant(Vector2i(p_value[0].sint, p_value[1].sint));
  3725. }
  3726. break;
  3727. case ShaderLanguage::TYPE_IVEC3:
  3728. if (array_size > 0) {
  3729. array_size *= 3;
  3730. PackedInt32Array array;
  3731. for (int i = 0; i < array_size; i++) {
  3732. array.push_back(p_value[i].sint);
  3733. }
  3734. value = Variant(array);
  3735. } else {
  3736. value = Variant(Vector3i(p_value[0].sint, p_value[1].sint, p_value[2].sint));
  3737. }
  3738. break;
  3739. case ShaderLanguage::TYPE_IVEC4:
  3740. if (array_size > 0) {
  3741. array_size *= 4;
  3742. PackedInt32Array array;
  3743. for (int i = 0; i < array_size; i++) {
  3744. array.push_back(p_value[i].sint);
  3745. }
  3746. value = Variant(array);
  3747. } else {
  3748. value = Variant(Vector4i(p_value[0].sint, p_value[1].sint, p_value[2].sint, p_value[3].sint));
  3749. }
  3750. break;
  3751. case ShaderLanguage::TYPE_UINT:
  3752. if (array_size > 0) {
  3753. PackedInt32Array array;
  3754. for (int i = 0; i < array_size; i++) {
  3755. array.push_back(p_value[i].uint);
  3756. }
  3757. value = Variant(array);
  3758. } else {
  3759. value = Variant(p_value[0].uint);
  3760. }
  3761. break;
  3762. case ShaderLanguage::TYPE_UVEC2:
  3763. if (array_size > 0) {
  3764. array_size *= 2;
  3765. PackedInt32Array array;
  3766. for (int i = 0; i < array_size; i++) {
  3767. array.push_back(p_value[i].uint);
  3768. }
  3769. value = Variant(array);
  3770. } else {
  3771. value = Variant(Vector2i(p_value[0].uint, p_value[1].uint));
  3772. }
  3773. break;
  3774. case ShaderLanguage::TYPE_UVEC3:
  3775. if (array_size > 0) {
  3776. array_size *= 3;
  3777. PackedInt32Array array;
  3778. for (int i = 0; i < array_size; i++) {
  3779. array.push_back(p_value[i].uint);
  3780. }
  3781. value = Variant(array);
  3782. } else {
  3783. value = Variant(Vector3i(p_value[0].uint, p_value[1].uint, p_value[2].uint));
  3784. }
  3785. break;
  3786. case ShaderLanguage::TYPE_UVEC4:
  3787. if (array_size > 0) {
  3788. array_size *= 4;
  3789. PackedInt32Array array;
  3790. for (int i = 0; i < array_size; i++) {
  3791. array.push_back(p_value[i].uint);
  3792. }
  3793. value = Variant(array);
  3794. } else {
  3795. value = Variant(Vector4i(p_value[0].uint, p_value[1].uint, p_value[2].uint, p_value[3].uint));
  3796. }
  3797. break;
  3798. case ShaderLanguage::TYPE_FLOAT:
  3799. if (array_size > 0) {
  3800. PackedFloat32Array array;
  3801. for (int i = 0; i < array_size; i++) {
  3802. array.push_back(p_value[i].real);
  3803. }
  3804. value = Variant(array);
  3805. } else {
  3806. value = Variant(p_value[0].real);
  3807. }
  3808. break;
  3809. case ShaderLanguage::TYPE_VEC2:
  3810. if (array_size > 0) {
  3811. array_size *= 2;
  3812. PackedVector2Array array;
  3813. for (int i = 0; i < array_size; i += 2) {
  3814. array.push_back(Vector2(p_value[i].real, p_value[i + 1].real));
  3815. }
  3816. value = Variant(array);
  3817. } else {
  3818. value = Variant(Vector2(p_value[0].real, p_value[1].real));
  3819. }
  3820. break;
  3821. case ShaderLanguage::TYPE_VEC3:
  3822. if (array_size > 0) {
  3823. array_size *= 3;
  3824. if (p_hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  3825. PackedColorArray array;
  3826. for (int i = 0; i < array_size; i += 3) {
  3827. array.push_back(Color(p_value[i].real, p_value[i + 1].real, p_value[i + 2].real));
  3828. }
  3829. value = Variant(array);
  3830. } else {
  3831. PackedVector3Array array;
  3832. for (int i = 0; i < array_size; i += 3) {
  3833. array.push_back(Vector3(p_value[i].real, p_value[i + 1].real, p_value[i + 2].real));
  3834. }
  3835. value = Variant(array);
  3836. }
  3837. } else {
  3838. if (p_hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  3839. value = Variant(Color(p_value[0].real, p_value[1].real, p_value[2].real));
  3840. } else {
  3841. value = Variant(Vector3(p_value[0].real, p_value[1].real, p_value[2].real));
  3842. }
  3843. }
  3844. break;
  3845. case ShaderLanguage::TYPE_VEC4:
  3846. if (array_size > 0) {
  3847. array_size *= 4;
  3848. if (p_hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  3849. PackedColorArray array;
  3850. for (int i = 0; i < array_size; i += 4) {
  3851. array.push_back(Color(p_value[i].real, p_value[i + 1].real, p_value[i + 2].real, p_value[i + 3].real));
  3852. }
  3853. value = Variant(array);
  3854. } else {
  3855. PackedVector4Array array;
  3856. for (int i = 0; i < array_size; i += 4) {
  3857. array.push_back(Vector4(p_value[i].real, p_value[i + 1].real, p_value[i + 2].real, p_value[i + 3].real));
  3858. }
  3859. value = Variant(array);
  3860. }
  3861. } else {
  3862. if (p_hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  3863. value = Variant(Color(p_value[0].real, p_value[1].real, p_value[2].real, p_value[3].real));
  3864. } else {
  3865. value = Variant(Vector4(p_value[0].real, p_value[1].real, p_value[2].real, p_value[3].real));
  3866. }
  3867. }
  3868. break;
  3869. case ShaderLanguage::TYPE_MAT2:
  3870. if (array_size > 0) {
  3871. array_size *= 4;
  3872. PackedFloat32Array array;
  3873. for (int i = 0; i < array_size; i += 4) {
  3874. array.push_back(p_value[i].real);
  3875. array.push_back(p_value[i + 1].real);
  3876. array.push_back(p_value[i + 2].real);
  3877. array.push_back(p_value[i + 3].real);
  3878. }
  3879. value = Variant(array);
  3880. } else {
  3881. value = Variant(Transform2D(p_value[0].real, p_value[2].real, p_value[1].real, p_value[3].real, 0.0, 0.0));
  3882. }
  3883. break;
  3884. case ShaderLanguage::TYPE_MAT3: {
  3885. if (array_size > 0) {
  3886. array_size *= 9;
  3887. PackedFloat32Array array;
  3888. for (int i = 0; i < array_size; i += 9) {
  3889. for (int j = 0; j < 9; j++) {
  3890. array.push_back(p_value[i + j].real);
  3891. }
  3892. }
  3893. value = Variant(array);
  3894. } else {
  3895. Basis p;
  3896. p[0][0] = p_value[0].real;
  3897. p[0][1] = p_value[1].real;
  3898. p[0][2] = p_value[2].real;
  3899. p[1][0] = p_value[3].real;
  3900. p[1][1] = p_value[4].real;
  3901. p[1][2] = p_value[5].real;
  3902. p[2][0] = p_value[6].real;
  3903. p[2][1] = p_value[7].real;
  3904. p[2][2] = p_value[8].real;
  3905. value = Variant(p);
  3906. }
  3907. break;
  3908. }
  3909. case ShaderLanguage::TYPE_MAT4: {
  3910. if (array_size > 0) {
  3911. array_size *= 16;
  3912. PackedFloat32Array array;
  3913. for (int i = 0; i < array_size; i += 16) {
  3914. for (int j = 0; j < 16; j++) {
  3915. array.push_back(p_value[i + j].real);
  3916. }
  3917. }
  3918. value = Variant(array);
  3919. } else {
  3920. Projection p = Projection(Vector4(p_value[0].real, p_value[1].real, p_value[2].real, p_value[3].real),
  3921. Vector4(p_value[4].real, p_value[5].real, p_value[6].real, p_value[7].real),
  3922. Vector4(p_value[8].real, p_value[9].real, p_value[10].real, p_value[11].real),
  3923. Vector4(p_value[12].real, p_value[13].real, p_value[14].real, p_value[15].real));
  3924. value = Variant(p);
  3925. }
  3926. break;
  3927. }
  3928. case ShaderLanguage::TYPE_ISAMPLER2DARRAY:
  3929. case ShaderLanguage::TYPE_ISAMPLER2D:
  3930. case ShaderLanguage::TYPE_ISAMPLER3D:
  3931. case ShaderLanguage::TYPE_SAMPLER2DARRAY:
  3932. case ShaderLanguage::TYPE_SAMPLER2D:
  3933. case ShaderLanguage::TYPE_SAMPLER3D:
  3934. case ShaderLanguage::TYPE_USAMPLER2DARRAY:
  3935. case ShaderLanguage::TYPE_USAMPLER2D:
  3936. case ShaderLanguage::TYPE_USAMPLER3D:
  3937. case ShaderLanguage::TYPE_SAMPLERCUBE:
  3938. case ShaderLanguage::TYPE_SAMPLERCUBEARRAY:
  3939. case ShaderLanguage::TYPE_SAMPLEREXT: {
  3940. // Texture types, likely not relevant here.
  3941. break;
  3942. }
  3943. case ShaderLanguage::TYPE_STRUCT:
  3944. break;
  3945. case ShaderLanguage::TYPE_VOID:
  3946. break;
  3947. case ShaderLanguage::TYPE_MAX:
  3948. break;
  3949. }
  3950. return value;
  3951. }
  3952. return Variant();
  3953. }
  3954. Variant ShaderLanguage::get_default_datatype_value(DataType p_type, int p_array_size, ShaderLanguage::ShaderNode::Uniform::Hint p_hint) {
  3955. int array_size = p_array_size;
  3956. Variant value;
  3957. switch (p_type) {
  3958. case ShaderLanguage::TYPE_BOOL:
  3959. if (array_size > 0) {
  3960. PackedInt32Array array;
  3961. for (int i = 0; i < array_size; i++) {
  3962. array.push_back(false);
  3963. }
  3964. value = Variant(array);
  3965. } else {
  3966. VariantInitializer<bool>::init(&value);
  3967. VariantDefaultInitializer<bool>::init(&value);
  3968. }
  3969. break;
  3970. case ShaderLanguage::TYPE_BVEC2:
  3971. array_size *= 2;
  3972. if (array_size > 0) {
  3973. PackedInt32Array array;
  3974. for (int i = 0; i < array_size; i++) {
  3975. array.push_back(false);
  3976. }
  3977. value = Variant(array);
  3978. } else {
  3979. VariantInitializer<int64_t>::init(&value);
  3980. VariantDefaultInitializer<int64_t>::init(&value);
  3981. }
  3982. break;
  3983. case ShaderLanguage::TYPE_BVEC3:
  3984. array_size *= 3;
  3985. if (array_size > 0) {
  3986. PackedInt32Array array;
  3987. for (int i = 0; i < array_size; i++) {
  3988. array.push_back(false);
  3989. }
  3990. value = Variant(array);
  3991. } else {
  3992. VariantInitializer<int64_t>::init(&value);
  3993. VariantDefaultInitializer<int64_t>::init(&value);
  3994. }
  3995. break;
  3996. case ShaderLanguage::TYPE_BVEC4:
  3997. array_size *= 4;
  3998. if (array_size > 0) {
  3999. PackedInt32Array array;
  4000. for (int i = 0; i < array_size; i++) {
  4001. array.push_back(false);
  4002. }
  4003. value = Variant(array);
  4004. } else {
  4005. VariantInitializer<int64_t>::init(&value);
  4006. VariantDefaultInitializer<int64_t>::init(&value);
  4007. }
  4008. break;
  4009. case ShaderLanguage::TYPE_INT:
  4010. if (array_size > 0) {
  4011. PackedInt32Array array;
  4012. for (int i = 0; i < array_size; i++) {
  4013. array.push_back(0);
  4014. }
  4015. value = Variant(array);
  4016. } else {
  4017. VariantInitializer<int64_t>::init(&value);
  4018. VariantDefaultInitializer<int64_t>::init(&value);
  4019. }
  4020. break;
  4021. case ShaderLanguage::TYPE_IVEC2:
  4022. if (array_size > 0) {
  4023. array_size *= 2;
  4024. PackedInt32Array array;
  4025. for (int i = 0; i < array_size; i++) {
  4026. array.push_back(0);
  4027. }
  4028. value = Variant(array);
  4029. } else {
  4030. VariantInitializer<Vector2i>::init(&value);
  4031. VariantDefaultInitializer<Vector2i>::init(&value);
  4032. }
  4033. break;
  4034. case ShaderLanguage::TYPE_IVEC3:
  4035. if (array_size > 0) {
  4036. array_size *= 3;
  4037. PackedInt32Array array;
  4038. for (int i = 0; i < array_size; i++) {
  4039. array.push_back(0);
  4040. }
  4041. value = Variant(array);
  4042. } else {
  4043. VariantInitializer<Vector3i>::init(&value);
  4044. VariantDefaultInitializer<Vector3i>::init(&value);
  4045. }
  4046. break;
  4047. case ShaderLanguage::TYPE_IVEC4:
  4048. if (array_size > 0) {
  4049. array_size *= 4;
  4050. PackedInt32Array array;
  4051. for (int i = 0; i < array_size; i++) {
  4052. array.push_back(0);
  4053. }
  4054. value = Variant(array);
  4055. } else {
  4056. VariantInitializer<Vector4i>::init(&value);
  4057. VariantDefaultInitializer<Vector4i>::init(&value);
  4058. }
  4059. break;
  4060. case ShaderLanguage::TYPE_UINT:
  4061. if (array_size > 0) {
  4062. PackedInt32Array array;
  4063. for (int i = 0; i < array_size; i++) {
  4064. array.push_back(0U);
  4065. }
  4066. value = Variant(array);
  4067. } else {
  4068. VariantInitializer<int64_t>::init(&value);
  4069. VariantDefaultInitializer<int64_t>::init(&value);
  4070. }
  4071. break;
  4072. case ShaderLanguage::TYPE_UVEC2:
  4073. if (array_size > 0) {
  4074. array_size *= 2;
  4075. PackedInt32Array array;
  4076. for (int i = 0; i < array_size; i++) {
  4077. array.push_back(0U);
  4078. }
  4079. value = Variant(array);
  4080. } else {
  4081. VariantInitializer<Vector2i>::init(&value);
  4082. VariantDefaultInitializer<Vector2i>::init(&value);
  4083. }
  4084. break;
  4085. case ShaderLanguage::TYPE_UVEC3:
  4086. if (array_size > 0) {
  4087. array_size *= 3;
  4088. PackedInt32Array array;
  4089. for (int i = 0; i < array_size; i++) {
  4090. array.push_back(0U);
  4091. }
  4092. value = Variant(array);
  4093. } else {
  4094. VariantInitializer<Vector3i>::init(&value);
  4095. VariantDefaultInitializer<Vector3i>::init(&value);
  4096. }
  4097. break;
  4098. case ShaderLanguage::TYPE_UVEC4:
  4099. if (array_size > 0) {
  4100. array_size *= 4;
  4101. PackedInt32Array array;
  4102. for (int i = 0; i < array_size; i++) {
  4103. array.push_back(0U);
  4104. }
  4105. value = Variant(array);
  4106. } else {
  4107. VariantInitializer<Vector4i>::init(&value);
  4108. VariantDefaultInitializer<Vector4i>::init(&value);
  4109. }
  4110. break;
  4111. case ShaderLanguage::TYPE_FLOAT:
  4112. if (array_size > 0) {
  4113. PackedFloat32Array array;
  4114. for (int i = 0; i < array_size; i++) {
  4115. array.push_back(0.0f);
  4116. }
  4117. value = Variant(array);
  4118. } else {
  4119. VariantInitializer<float>::init(&value);
  4120. VariantDefaultInitializer<float>::init(&value);
  4121. }
  4122. break;
  4123. case ShaderLanguage::TYPE_VEC2:
  4124. if (array_size > 0) {
  4125. PackedVector2Array array;
  4126. for (int i = 0; i < array_size; i++) {
  4127. array.push_back(Vector2(0.0f, 0.0f));
  4128. }
  4129. value = Variant(array);
  4130. } else {
  4131. VariantInitializer<Vector2>::init(&value);
  4132. VariantDefaultInitializer<Vector2>::init(&value);
  4133. }
  4134. break;
  4135. case ShaderLanguage::TYPE_VEC3:
  4136. if (array_size > 0) {
  4137. if (p_hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  4138. PackedColorArray array;
  4139. for (int i = 0; i < array_size; i++) {
  4140. array.push_back(Color(0.0f, 0.0f, 0.0f));
  4141. }
  4142. value = Variant(array);
  4143. } else {
  4144. PackedVector3Array array;
  4145. for (int i = 0; i < array_size; i++) {
  4146. array.push_back(Vector3(0.0f, 0.0f, 0.0f));
  4147. }
  4148. value = Variant(array);
  4149. }
  4150. } else {
  4151. if (p_hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  4152. VariantInitializer<Color>::init(&value);
  4153. VariantDefaultInitializer<Color>::init(&value);
  4154. } else {
  4155. VariantInitializer<Vector3>::init(&value);
  4156. VariantDefaultInitializer<Vector3>::init(&value);
  4157. }
  4158. }
  4159. break;
  4160. case ShaderLanguage::TYPE_VEC4:
  4161. if (array_size > 0) {
  4162. if (p_hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  4163. PackedColorArray array;
  4164. for (int i = 0; i < array_size; i++) {
  4165. array.push_back(Color(0.0f, 0.0f, 0.0f, 0.0f));
  4166. }
  4167. value = Variant(array);
  4168. } else {
  4169. PackedVector4Array array;
  4170. for (int i = 0; i < array_size; i++) {
  4171. array.push_back(Vector4(0.0f, 0.0f, 0.0f, 0.0f));
  4172. }
  4173. value = Variant(array);
  4174. }
  4175. } else {
  4176. if (p_hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  4177. VariantInitializer<Color>::init(&value);
  4178. VariantDefaultInitializer<Color>::init(&value);
  4179. } else {
  4180. VariantInitializer<Vector4>::init(&value);
  4181. VariantDefaultInitializer<Vector4>::init(&value);
  4182. }
  4183. }
  4184. break;
  4185. case ShaderLanguage::TYPE_MAT2:
  4186. if (array_size > 0) {
  4187. PackedFloat32Array array;
  4188. for (int i = 0; i < array_size; i++) {
  4189. for (int j = 0; j < 4; j++) {
  4190. array.push_back(0.0f);
  4191. }
  4192. }
  4193. value = Variant(array);
  4194. } else {
  4195. VariantInitializer<Transform2D>::init(&value);
  4196. VariantDefaultInitializer<Transform2D>::init(&value);
  4197. }
  4198. break;
  4199. case ShaderLanguage::TYPE_MAT3: {
  4200. if (array_size > 0) {
  4201. PackedFloat32Array array;
  4202. for (int i = 0; i < array_size; i++) {
  4203. for (int j = 0; j < 9; j++) {
  4204. array.push_back(0.0f);
  4205. }
  4206. }
  4207. value = Variant(array);
  4208. } else {
  4209. VariantInitializer<Basis>::init(&value);
  4210. VariantDefaultInitializer<Basis>::init(&value);
  4211. }
  4212. break;
  4213. }
  4214. case ShaderLanguage::TYPE_MAT4: {
  4215. if (array_size > 0) {
  4216. PackedFloat32Array array;
  4217. for (int i = 0; i < array_size; i++) {
  4218. for (int j = 0; j < 16; j++) {
  4219. array.push_back(0.0f);
  4220. }
  4221. }
  4222. value = Variant(array);
  4223. } else {
  4224. VariantInitializer<Projection>::init(&value);
  4225. VariantDefaultInitializer<Projection>::init(&value);
  4226. }
  4227. break;
  4228. }
  4229. default: {
  4230. } break;
  4231. }
  4232. return value;
  4233. }
  4234. PropertyInfo ShaderLanguage::uniform_to_property_info(const ShaderNode::Uniform &p_uniform) {
  4235. PropertyInfo pi;
  4236. switch (p_uniform.type) {
  4237. case ShaderLanguage::TYPE_VOID:
  4238. pi.type = Variant::NIL;
  4239. break;
  4240. case ShaderLanguage::TYPE_BOOL:
  4241. if (p_uniform.array_size > 0) {
  4242. pi.type = Variant::PACKED_INT32_ARRAY;
  4243. pi.hint = PROPERTY_HINT_TYPE_STRING;
  4244. pi.hint_string = itos(Variant::INT) + "/" + itos(PROPERTY_HINT_FLAGS) + ":" + RTR("On");
  4245. } else {
  4246. pi.type = Variant::BOOL;
  4247. }
  4248. break;
  4249. case ShaderLanguage::TYPE_BVEC2:
  4250. if (p_uniform.array_size > 0) {
  4251. pi.type = Variant::PACKED_INT32_ARRAY;
  4252. pi.hint = PROPERTY_HINT_TYPE_STRING;
  4253. pi.hint_string = itos(Variant::INT) + "/" + itos(PROPERTY_HINT_FLAGS) + ":x,y";
  4254. } else {
  4255. pi.type = Variant::INT;
  4256. pi.hint = PROPERTY_HINT_FLAGS;
  4257. pi.hint_string = "x,y";
  4258. }
  4259. break;
  4260. case ShaderLanguage::TYPE_BVEC3:
  4261. if (p_uniform.array_size > 0) {
  4262. pi.type = Variant::PACKED_INT32_ARRAY;
  4263. pi.hint = PROPERTY_HINT_TYPE_STRING;
  4264. pi.hint_string = itos(Variant::INT) + "/" + itos(PROPERTY_HINT_FLAGS) + ":x,y,z";
  4265. } else {
  4266. pi.type = Variant::INT;
  4267. pi.hint = PROPERTY_HINT_FLAGS;
  4268. pi.hint_string = "x,y,z";
  4269. }
  4270. break;
  4271. case ShaderLanguage::TYPE_BVEC4:
  4272. if (p_uniform.array_size > 0) {
  4273. pi.type = Variant::PACKED_INT32_ARRAY;
  4274. pi.hint = PROPERTY_HINT_TYPE_STRING;
  4275. pi.hint_string = itos(Variant::INT) + "/" + itos(PROPERTY_HINT_FLAGS) + ":x,y,z,w";
  4276. } else {
  4277. pi.type = Variant::INT;
  4278. pi.hint = PROPERTY_HINT_FLAGS;
  4279. pi.hint_string = "x,y,z,w";
  4280. }
  4281. break;
  4282. case ShaderLanguage::TYPE_UINT:
  4283. case ShaderLanguage::TYPE_INT: {
  4284. if (p_uniform.array_size > 0) {
  4285. pi.type = Variant::PACKED_INT32_ARRAY;
  4286. // TODO: Handle range and encoding for for unsigned values.
  4287. } else if (p_uniform.hint == ShaderLanguage::ShaderNode::Uniform::HINT_ENUM) {
  4288. pi.type = Variant::INT;
  4289. pi.hint = PROPERTY_HINT_ENUM;
  4290. String hint_string;
  4291. pi.hint_string = String(",").join(p_uniform.hint_enum_names);
  4292. } else {
  4293. pi.type = Variant::INT;
  4294. pi.hint = PROPERTY_HINT_RANGE;
  4295. if (p_uniform.hint == ShaderLanguage::ShaderNode::Uniform::HINT_RANGE) {
  4296. pi.hint_string = rtos(p_uniform.hint_range[0]) + "," + rtos(p_uniform.hint_range[1]) + "," + rtos(p_uniform.hint_range[2]);
  4297. } else if (p_uniform.type == ShaderLanguage::TYPE_UINT) {
  4298. pi.hint_string = "0," + itos(UINT32_MAX);
  4299. } else {
  4300. pi.hint_string = itos(INT32_MIN) + "," + itos(INT32_MAX);
  4301. }
  4302. }
  4303. } break;
  4304. case ShaderLanguage::TYPE_UVEC2:
  4305. case ShaderLanguage::TYPE_IVEC2: {
  4306. if (p_uniform.array_size > 0) {
  4307. pi.type = Variant::PACKED_INT32_ARRAY;
  4308. // TODO: Handle vector pairs?
  4309. } else {
  4310. pi.type = Variant::VECTOR2I;
  4311. }
  4312. } break;
  4313. case ShaderLanguage::TYPE_UVEC3:
  4314. case ShaderLanguage::TYPE_IVEC3: {
  4315. if (p_uniform.array_size > 0) {
  4316. pi.type = Variant::PACKED_INT32_ARRAY;
  4317. // TODO: Handle vector pairs?
  4318. } else {
  4319. pi.type = Variant::VECTOR3I;
  4320. }
  4321. } break;
  4322. case ShaderLanguage::TYPE_UVEC4:
  4323. case ShaderLanguage::TYPE_IVEC4: {
  4324. if (p_uniform.array_size > 0) {
  4325. pi.type = Variant::PACKED_INT32_ARRAY;
  4326. // TODO: Handle vector pairs?
  4327. } else {
  4328. pi.type = Variant::VECTOR4I;
  4329. }
  4330. } break;
  4331. case ShaderLanguage::TYPE_FLOAT: {
  4332. if (p_uniform.array_size > 0) {
  4333. pi.type = Variant::PACKED_FLOAT32_ARRAY;
  4334. } else {
  4335. pi.type = Variant::FLOAT;
  4336. if (p_uniform.hint == ShaderLanguage::ShaderNode::Uniform::HINT_RANGE) {
  4337. pi.hint = PROPERTY_HINT_RANGE;
  4338. pi.hint_string = rtos(p_uniform.hint_range[0]) + "," + rtos(p_uniform.hint_range[1]) + "," + rtos(p_uniform.hint_range[2]);
  4339. }
  4340. }
  4341. } break;
  4342. case ShaderLanguage::TYPE_VEC2:
  4343. if (p_uniform.array_size > 0) {
  4344. pi.type = Variant::PACKED_VECTOR2_ARRAY;
  4345. } else {
  4346. pi.type = Variant::VECTOR2;
  4347. }
  4348. break;
  4349. case ShaderLanguage::TYPE_VEC3:
  4350. if (p_uniform.array_size > 0) {
  4351. if (p_uniform.hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  4352. pi.hint = PROPERTY_HINT_COLOR_NO_ALPHA;
  4353. pi.type = Variant::PACKED_COLOR_ARRAY;
  4354. } else {
  4355. pi.type = Variant::PACKED_VECTOR3_ARRAY;
  4356. }
  4357. } else {
  4358. if (p_uniform.hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  4359. pi.hint = PROPERTY_HINT_COLOR_NO_ALPHA;
  4360. pi.type = Variant::COLOR;
  4361. } else {
  4362. pi.type = Variant::VECTOR3;
  4363. }
  4364. }
  4365. break;
  4366. case ShaderLanguage::TYPE_VEC4: {
  4367. if (p_uniform.array_size > 0) {
  4368. if (p_uniform.hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  4369. pi.type = Variant::PACKED_COLOR_ARRAY;
  4370. } else {
  4371. pi.type = Variant::PACKED_VECTOR4_ARRAY;
  4372. }
  4373. } else {
  4374. if (p_uniform.hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
  4375. pi.type = Variant::COLOR;
  4376. } else {
  4377. pi.type = Variant::VECTOR4;
  4378. }
  4379. }
  4380. } break;
  4381. case ShaderLanguage::TYPE_MAT2:
  4382. if (p_uniform.array_size > 0) {
  4383. pi.type = Variant::PACKED_FLOAT32_ARRAY;
  4384. } else {
  4385. pi.type = Variant::TRANSFORM2D;
  4386. }
  4387. break;
  4388. case ShaderLanguage::TYPE_MAT3:
  4389. if (p_uniform.array_size > 0) {
  4390. pi.type = Variant::PACKED_FLOAT32_ARRAY;
  4391. } else {
  4392. pi.type = Variant::BASIS;
  4393. }
  4394. break;
  4395. case ShaderLanguage::TYPE_MAT4:
  4396. if (p_uniform.array_size > 0) {
  4397. pi.type = Variant::PACKED_FLOAT32_ARRAY;
  4398. } else {
  4399. pi.type = Variant::PROJECTION;
  4400. }
  4401. break;
  4402. case ShaderLanguage::TYPE_SAMPLER2D:
  4403. case ShaderLanguage::TYPE_ISAMPLER2D:
  4404. case ShaderLanguage::TYPE_USAMPLER2D: {
  4405. if (p_uniform.array_size > 0) {
  4406. pi.type = Variant::ARRAY;
  4407. pi.hint = PROPERTY_HINT_ARRAY_TYPE;
  4408. pi.hint_string = MAKE_RESOURCE_TYPE_HINT("Texture2D");
  4409. } else {
  4410. pi.type = Variant::OBJECT;
  4411. pi.hint = PROPERTY_HINT_RESOURCE_TYPE;
  4412. pi.hint_string = "Texture2D";
  4413. }
  4414. } break;
  4415. case ShaderLanguage::TYPE_SAMPLER2DARRAY:
  4416. case ShaderLanguage::TYPE_ISAMPLER2DARRAY:
  4417. case ShaderLanguage::TYPE_USAMPLER2DARRAY:
  4418. case ShaderLanguage::TYPE_SAMPLERCUBE:
  4419. case ShaderLanguage::TYPE_SAMPLERCUBEARRAY: {
  4420. if (p_uniform.array_size > 0) {
  4421. pi.type = Variant::ARRAY;
  4422. pi.hint = PROPERTY_HINT_ARRAY_TYPE;
  4423. pi.hint_string = MAKE_RESOURCE_TYPE_HINT("TextureLayered");
  4424. } else {
  4425. pi.type = Variant::OBJECT;
  4426. pi.hint = PROPERTY_HINT_RESOURCE_TYPE;
  4427. pi.hint_string = "TextureLayered";
  4428. }
  4429. } break;
  4430. case ShaderLanguage::TYPE_SAMPLER3D:
  4431. case ShaderLanguage::TYPE_ISAMPLER3D:
  4432. case ShaderLanguage::TYPE_USAMPLER3D: {
  4433. if (p_uniform.array_size > 0) {
  4434. pi.type = Variant::ARRAY;
  4435. pi.hint = PROPERTY_HINT_ARRAY_TYPE;
  4436. pi.hint_string = MAKE_RESOURCE_TYPE_HINT("Texture3D");
  4437. } else {
  4438. pi.type = Variant::OBJECT;
  4439. pi.hint = PROPERTY_HINT_RESOURCE_TYPE;
  4440. pi.hint_string = "Texture3D";
  4441. }
  4442. } break;
  4443. case ShaderLanguage::TYPE_SAMPLEREXT: {
  4444. if (p_uniform.array_size > 0) {
  4445. pi.type = Variant::ARRAY;
  4446. pi.hint = PROPERTY_HINT_ARRAY_TYPE;
  4447. pi.hint_string = MAKE_RESOURCE_TYPE_HINT("ExternalTexture");
  4448. } else {
  4449. pi.type = Variant::OBJECT;
  4450. pi.hint = PROPERTY_HINT_RESOURCE_TYPE;
  4451. pi.hint_string = "ExternalTexture";
  4452. }
  4453. } break;
  4454. case ShaderLanguage::TYPE_STRUCT: {
  4455. // FIXME: Implement this.
  4456. } break;
  4457. case ShaderLanguage::TYPE_MAX:
  4458. break;
  4459. }
  4460. return pi;
  4461. }
  4462. uint32_t ShaderLanguage::get_datatype_size(ShaderLanguage::DataType p_type) {
  4463. switch (p_type) {
  4464. case TYPE_VOID:
  4465. return 0;
  4466. case TYPE_BOOL:
  4467. return 4;
  4468. case TYPE_BVEC2:
  4469. return 8;
  4470. case TYPE_BVEC3:
  4471. return 12;
  4472. case TYPE_BVEC4:
  4473. return 16;
  4474. case TYPE_INT:
  4475. return 4;
  4476. case TYPE_IVEC2:
  4477. return 8;
  4478. case TYPE_IVEC3:
  4479. return 12;
  4480. case TYPE_IVEC4:
  4481. return 16;
  4482. case TYPE_UINT:
  4483. return 4;
  4484. case TYPE_UVEC2:
  4485. return 8;
  4486. case TYPE_UVEC3:
  4487. return 12;
  4488. case TYPE_UVEC4:
  4489. return 16;
  4490. case TYPE_FLOAT:
  4491. return 4;
  4492. case TYPE_VEC2:
  4493. return 8;
  4494. case TYPE_VEC3:
  4495. return 12;
  4496. case TYPE_VEC4:
  4497. return 16;
  4498. case TYPE_MAT2:
  4499. return 32; // 4 * 4 + 4 * 4
  4500. case TYPE_MAT3:
  4501. return 48; // 4 * 4 + 4 * 4 + 4 * 4
  4502. case TYPE_MAT4:
  4503. return 64;
  4504. case TYPE_SAMPLER2D:
  4505. return 16;
  4506. case TYPE_ISAMPLER2D:
  4507. return 16;
  4508. case TYPE_USAMPLER2D:
  4509. return 16;
  4510. case TYPE_SAMPLER2DARRAY:
  4511. return 16;
  4512. case TYPE_ISAMPLER2DARRAY:
  4513. return 16;
  4514. case TYPE_USAMPLER2DARRAY:
  4515. return 16;
  4516. case TYPE_SAMPLER3D:
  4517. return 16;
  4518. case TYPE_ISAMPLER3D:
  4519. return 16;
  4520. case TYPE_USAMPLER3D:
  4521. return 16;
  4522. case TYPE_SAMPLERCUBE:
  4523. return 16;
  4524. case TYPE_SAMPLERCUBEARRAY:
  4525. return 16;
  4526. case TYPE_SAMPLEREXT:
  4527. return 16;
  4528. case TYPE_STRUCT:
  4529. return 0;
  4530. case TYPE_MAX: {
  4531. ERR_FAIL_V(0);
  4532. };
  4533. }
  4534. ERR_FAIL_V(0);
  4535. }
  4536. uint32_t ShaderLanguage::get_datatype_component_count(ShaderLanguage::DataType p_type) {
  4537. switch (p_type) {
  4538. case TYPE_BOOL:
  4539. return 1U;
  4540. case TYPE_BVEC2:
  4541. return 2U;
  4542. case TYPE_BVEC3:
  4543. return 3U;
  4544. case TYPE_BVEC4:
  4545. return 4U;
  4546. case TYPE_INT:
  4547. return 1U;
  4548. case TYPE_IVEC2:
  4549. return 2U;
  4550. case TYPE_IVEC3:
  4551. return 3U;
  4552. case TYPE_IVEC4:
  4553. return 4U;
  4554. case TYPE_UINT:
  4555. return 1U;
  4556. case TYPE_UVEC2:
  4557. return 2U;
  4558. case TYPE_UVEC3:
  4559. return 3U;
  4560. case TYPE_UVEC4:
  4561. return 4U;
  4562. case TYPE_FLOAT:
  4563. return 1U;
  4564. case TYPE_VEC2:
  4565. return 2U;
  4566. case TYPE_VEC3:
  4567. return 3U;
  4568. case TYPE_VEC4:
  4569. return 4U;
  4570. case TYPE_MAT2:
  4571. return 4U;
  4572. case TYPE_MAT3:
  4573. return 9U;
  4574. case TYPE_MAT4:
  4575. return 16U;
  4576. default:
  4577. break;
  4578. }
  4579. return 0U;
  4580. }
  4581. void ShaderLanguage::get_keyword_list(List<String> *r_keywords) {
  4582. HashSet<String> kws;
  4583. int idx = 0;
  4584. while (keyword_list[idx].text) {
  4585. kws.insert(keyword_list[idx].text);
  4586. idx++;
  4587. }
  4588. idx = 0;
  4589. while (builtin_func_defs[idx].name) {
  4590. kws.insert(builtin_func_defs[idx].name);
  4591. idx++;
  4592. }
  4593. for (const String &E : kws) {
  4594. r_keywords->push_back(E);
  4595. }
  4596. }
  4597. bool ShaderLanguage::is_control_flow_keyword(String p_keyword) {
  4598. return p_keyword == "break" ||
  4599. p_keyword == "case" ||
  4600. p_keyword == "continue" ||
  4601. p_keyword == "default" ||
  4602. p_keyword == "do" ||
  4603. p_keyword == "else" ||
  4604. p_keyword == "for" ||
  4605. p_keyword == "if" ||
  4606. p_keyword == "return" ||
  4607. p_keyword == "switch" ||
  4608. p_keyword == "while";
  4609. }
  4610. void ShaderLanguage::get_builtin_funcs(List<String> *r_keywords) {
  4611. HashSet<String> kws;
  4612. int idx = 0;
  4613. while (builtin_func_defs[idx].name) {
  4614. kws.insert(builtin_func_defs[idx].name);
  4615. idx++;
  4616. }
  4617. for (const String &E : kws) {
  4618. r_keywords->push_back(E);
  4619. }
  4620. }
  4621. ShaderLanguage::DataType ShaderLanguage::get_scalar_type(DataType p_type) {
  4622. static const DataType scalar_types[] = {
  4623. TYPE_VOID,
  4624. TYPE_BOOL,
  4625. TYPE_BOOL,
  4626. TYPE_BOOL,
  4627. TYPE_BOOL,
  4628. TYPE_INT,
  4629. TYPE_INT,
  4630. TYPE_INT,
  4631. TYPE_INT,
  4632. TYPE_UINT,
  4633. TYPE_UINT,
  4634. TYPE_UINT,
  4635. TYPE_UINT,
  4636. TYPE_FLOAT,
  4637. TYPE_FLOAT,
  4638. TYPE_FLOAT,
  4639. TYPE_FLOAT,
  4640. TYPE_FLOAT,
  4641. TYPE_FLOAT,
  4642. TYPE_FLOAT,
  4643. TYPE_FLOAT,
  4644. TYPE_INT,
  4645. TYPE_UINT,
  4646. TYPE_FLOAT,
  4647. TYPE_INT,
  4648. TYPE_UINT,
  4649. TYPE_FLOAT,
  4650. TYPE_INT,
  4651. TYPE_UINT,
  4652. TYPE_FLOAT,
  4653. TYPE_FLOAT,
  4654. TYPE_FLOAT,
  4655. TYPE_VOID,
  4656. };
  4657. static_assert(sizeof(scalar_types) / sizeof(*scalar_types) == TYPE_MAX);
  4658. return scalar_types[p_type];
  4659. }
  4660. int ShaderLanguage::get_cardinality(DataType p_type) {
  4661. static const int cardinality_table[] = {
  4662. 0,
  4663. 1,
  4664. 2,
  4665. 3,
  4666. 4,
  4667. 1,
  4668. 2,
  4669. 3,
  4670. 4,
  4671. 1,
  4672. 2,
  4673. 3,
  4674. 4,
  4675. 1,
  4676. 2,
  4677. 3,
  4678. 4,
  4679. 4,
  4680. 9,
  4681. 16,
  4682. 1,
  4683. 1,
  4684. 1,
  4685. 1,
  4686. 1,
  4687. 1,
  4688. 1,
  4689. 1,
  4690. 1,
  4691. 1,
  4692. 1,
  4693. 1,
  4694. 1,
  4695. };
  4696. static_assert(sizeof(cardinality_table) / sizeof(*cardinality_table) == TYPE_MAX);
  4697. return cardinality_table[p_type];
  4698. }
  4699. bool ShaderLanguage::_get_completable_identifier(BlockNode *p_block, CompletionType p_type, StringName &identifier) {
  4700. identifier = StringName();
  4701. TkPos pos = { 0, 0 };
  4702. Token tk = _get_token();
  4703. if (tk.type == TK_IDENTIFIER) {
  4704. identifier = tk.text;
  4705. pos = _get_tkpos();
  4706. tk = _get_token();
  4707. }
  4708. if (tk.type == TK_CURSOR) {
  4709. completion_type = p_type;
  4710. completion_line = tk_line;
  4711. completion_block = p_block;
  4712. pos = _get_tkpos();
  4713. tk = _get_token();
  4714. if (tk.type == TK_IDENTIFIER) {
  4715. identifier = identifier.operator String() + tk.text.operator String();
  4716. } else {
  4717. _set_tkpos(pos);
  4718. }
  4719. return true;
  4720. } else if (identifier != StringName()) {
  4721. _set_tkpos(pos);
  4722. }
  4723. return false;
  4724. }
  4725. bool ShaderLanguage::_is_operator_assign(Operator p_op) const {
  4726. switch (p_op) {
  4727. case OP_ASSIGN:
  4728. case OP_ASSIGN_ADD:
  4729. case OP_ASSIGN_SUB:
  4730. case OP_ASSIGN_MUL:
  4731. case OP_ASSIGN_DIV:
  4732. case OP_ASSIGN_MOD:
  4733. case OP_ASSIGN_SHIFT_LEFT:
  4734. case OP_ASSIGN_SHIFT_RIGHT:
  4735. case OP_ASSIGN_BIT_AND:
  4736. case OP_ASSIGN_BIT_OR:
  4737. case OP_ASSIGN_BIT_XOR:
  4738. return true;
  4739. default:
  4740. return false;
  4741. }
  4742. }
  4743. bool ShaderLanguage::_validate_varying_assign(ShaderNode::Varying &p_varying, String *r_message) {
  4744. if (current_function != "vertex" && current_function != "fragment") {
  4745. *r_message = vformat(RTR("Varying may not be assigned in the '%s' function."), current_function);
  4746. return false;
  4747. }
  4748. switch (p_varying.stage) {
  4749. case ShaderNode::Varying::STAGE_UNKNOWN: // first assign
  4750. if (current_function == varying_function_names.vertex) {
  4751. if (p_varying.type < TYPE_INT) {
  4752. *r_message = vformat(RTR("Varying with '%s' data type may only be assigned in the '%s' function."), get_datatype_name(p_varying.type), "fragment");
  4753. return false;
  4754. }
  4755. p_varying.stage = ShaderNode::Varying::STAGE_VERTEX;
  4756. } else if (current_function == varying_function_names.fragment) {
  4757. p_varying.stage = ShaderNode::Varying::STAGE_FRAGMENT;
  4758. }
  4759. break;
  4760. case ShaderNode::Varying::STAGE_VERTEX:
  4761. if (current_function == varying_function_names.fragment) {
  4762. *r_message = vformat(RTR("Varyings which assigned in '%s' function may not be reassigned in '%s' or '%s'."), "vertex", "fragment", "light");
  4763. return false;
  4764. }
  4765. break;
  4766. case ShaderNode::Varying::STAGE_FRAGMENT:
  4767. if (current_function == varying_function_names.vertex) {
  4768. *r_message = vformat(RTR("Varyings which assigned in '%s' function may not be reassigned in '%s' or '%s'."), "fragment", "vertex", "light");
  4769. return false;
  4770. }
  4771. break;
  4772. default:
  4773. break;
  4774. }
  4775. return true;
  4776. }
  4777. bool ShaderLanguage::_check_node_constness(const Node *p_node) const {
  4778. switch (p_node->type) {
  4779. case Node::NODE_TYPE_OPERATOR: {
  4780. const OperatorNode *op_node = static_cast<const OperatorNode *>(p_node);
  4781. for (int i = int(op_node->op == OP_CALL); i < op_node->arguments.size(); i++) {
  4782. if (!_check_node_constness(op_node->arguments[i])) {
  4783. return false;
  4784. }
  4785. }
  4786. } break;
  4787. case Node::NODE_TYPE_CONSTANT:
  4788. break;
  4789. case Node::NODE_TYPE_VARIABLE: {
  4790. const VariableNode *var_node = static_cast<const VariableNode *>(p_node);
  4791. if (!var_node->is_const) {
  4792. return false;
  4793. }
  4794. } break;
  4795. case Node::NODE_TYPE_ARRAY: {
  4796. const ArrayNode *arr_node = static_cast<const ArrayNode *>(p_node);
  4797. if (!arr_node->is_const) {
  4798. return false;
  4799. }
  4800. } break;
  4801. default:
  4802. return false;
  4803. }
  4804. return true;
  4805. }
  4806. bool ShaderLanguage::_check_restricted_func(const StringName &p_name, const StringName &p_current_function) const {
  4807. int idx = 0;
  4808. while (frag_only_func_defs[idx].name) {
  4809. if (StringName(frag_only_func_defs[idx].name) == p_name) {
  4810. if (is_supported_frag_only_funcs) {
  4811. if (p_current_function == "vertex" && stages->has(p_current_function)) {
  4812. return true;
  4813. }
  4814. } else {
  4815. return true;
  4816. }
  4817. break;
  4818. }
  4819. idx++;
  4820. }
  4821. return false;
  4822. }
  4823. bool ShaderLanguage::_validate_restricted_func(const StringName &p_name, const CallInfo *p_func_info, bool p_is_builtin_hint) {
  4824. const bool is_in_restricted_function = p_func_info->name == "vertex";
  4825. // No need to check up the hierarchy if it's a built-in.
  4826. if (!p_is_builtin_hint) {
  4827. for (const CallInfo *func_info : p_func_info->calls) {
  4828. if (is_in_restricted_function && func_info->name != p_name) {
  4829. // Skips check for non-called method.
  4830. continue;
  4831. }
  4832. if (!_validate_restricted_func(p_name, func_info)) {
  4833. return false;
  4834. }
  4835. }
  4836. }
  4837. if (!p_func_info->uses_restricted_items.is_empty()) {
  4838. const Pair<StringName, CallInfo::Item> &first_element = p_func_info->uses_restricted_items.get(0);
  4839. if (first_element.second.type == CallInfo::Item::ITEM_TYPE_VARYING) {
  4840. const ShaderNode::Varying &varying = shader->varyings[first_element.first];
  4841. if (varying.stage == ShaderNode::Varying::STAGE_VERTEX) {
  4842. return true;
  4843. }
  4844. }
  4845. _set_tkpos(first_element.second.pos);
  4846. if (is_in_restricted_function) {
  4847. _set_error(vformat(RTR("'%s' cannot be used within the '%s' processor function."), first_element.first, "vertex"));
  4848. } else {
  4849. _set_error(vformat(RTR("'%s' cannot be used here, because '%s' is called by the '%s' processor function (which is not allowed)."), first_element.first, p_func_info->name, "vertex"));
  4850. }
  4851. return false;
  4852. }
  4853. return true;
  4854. }
  4855. bool ShaderLanguage::_validate_assign(Node *p_node, const FunctionInfo &p_function_info, String *r_message) {
  4856. if (p_node->type == Node::NODE_TYPE_OPERATOR) {
  4857. OperatorNode *op = static_cast<OperatorNode *>(p_node);
  4858. if (op->op == OP_INDEX) {
  4859. return _validate_assign(op->arguments[0], p_function_info, r_message);
  4860. } else if (_is_operator_assign(op->op)) {
  4861. //chained assignment
  4862. return _validate_assign(op->arguments[1], p_function_info, r_message);
  4863. } else if (op->op == OP_CALL) {
  4864. if (r_message) {
  4865. *r_message = RTR("Assignment to function.");
  4866. }
  4867. return false;
  4868. }
  4869. } else if (p_node->type == Node::NODE_TYPE_MEMBER) {
  4870. MemberNode *member = static_cast<MemberNode *>(p_node);
  4871. if (member->has_swizzling_duplicates) {
  4872. if (r_message) {
  4873. *r_message = RTR("Swizzling assignment contains duplicates.");
  4874. }
  4875. return false;
  4876. }
  4877. return _validate_assign(member->owner, p_function_info, r_message);
  4878. } else if (p_node->type == Node::NODE_TYPE_VARIABLE) {
  4879. VariableNode *var = static_cast<VariableNode *>(p_node);
  4880. if (shader->uniforms.has(var->name)) {
  4881. if (r_message) {
  4882. *r_message = RTR("Assignment to uniform.");
  4883. }
  4884. return false;
  4885. }
  4886. if (shader->constants.has(var->name) || var->is_const) {
  4887. if (r_message) {
  4888. *r_message = RTR("Constants cannot be modified.");
  4889. }
  4890. return false;
  4891. }
  4892. if (shader->varyings.has(var->name)) {
  4893. return _validate_varying_assign(shader->varyings[var->name], r_message);
  4894. }
  4895. if (!(p_function_info.built_ins.has(var->name) && p_function_info.built_ins[var->name].constant)) {
  4896. return true;
  4897. }
  4898. } else if (p_node->type == Node::NODE_TYPE_ARRAY) {
  4899. ArrayNode *arr = static_cast<ArrayNode *>(p_node);
  4900. if (shader->constants.has(arr->name) || arr->is_const) {
  4901. if (r_message) {
  4902. *r_message = RTR("Constants cannot be modified.");
  4903. }
  4904. return false;
  4905. }
  4906. return true;
  4907. }
  4908. if (r_message) {
  4909. *r_message = "Assignment to constant expression.";
  4910. }
  4911. return false;
  4912. }
  4913. ShaderLanguage::ShaderNode::Uniform::Hint ShaderLanguage::_sanitize_hint(ShaderNode::Uniform::Hint p_hint) {
  4914. if (p_hint == ShaderNode::Uniform::HINT_SCREEN_TEXTURE ||
  4915. p_hint == ShaderNode::Uniform::HINT_NORMAL_ROUGHNESS_TEXTURE ||
  4916. p_hint == ShaderNode::Uniform::HINT_DEPTH_TEXTURE) {
  4917. return p_hint;
  4918. }
  4919. return ShaderNode::Uniform::HINT_NONE;
  4920. }
  4921. bool ShaderLanguage::_propagate_function_call_sampler_uniform_settings(const StringName &p_name, int p_argument, TextureFilter p_filter, TextureRepeat p_repeat, ShaderNode::Uniform::Hint p_hint) {
  4922. for (int i = 0; i < shader->vfunctions.size(); i++) {
  4923. if (shader->vfunctions[i].name == p_name) {
  4924. ERR_FAIL_INDEX_V(p_argument, shader->vfunctions[i].function->arguments.size(), false);
  4925. FunctionNode::Argument *arg = &shader->vfunctions[i].function->arguments.write[p_argument];
  4926. if (arg->tex_builtin_check) {
  4927. _set_error(vformat(RTR("Sampler argument %d of function '%s' called more than once using both built-ins and uniform textures, this is not supported (use either one or the other)."), p_argument, String(p_name)));
  4928. return false;
  4929. } else if (arg->tex_argument_check) {
  4930. // Was checked, verify that filter, repeat, and hint are the same.
  4931. if (arg->tex_argument_filter == p_filter && arg->tex_argument_repeat == p_repeat && arg->tex_hint == _sanitize_hint(p_hint)) {
  4932. return true;
  4933. } else {
  4934. _set_error(vformat(RTR("Sampler argument %d of function '%s' called more than once using textures that differ in either filter, repeat, or texture hint setting."), p_argument, String(p_name)));
  4935. return false;
  4936. }
  4937. } else {
  4938. arg->tex_argument_check = true;
  4939. arg->tex_argument_filter = p_filter;
  4940. arg->tex_argument_repeat = p_repeat;
  4941. arg->tex_hint = _sanitize_hint(p_hint);
  4942. for (KeyValue<StringName, HashSet<int>> &E : arg->tex_argument_connect) {
  4943. for (const int &F : E.value) {
  4944. if (!_propagate_function_call_sampler_uniform_settings(E.key, F, p_filter, p_repeat, p_hint)) {
  4945. return false;
  4946. }
  4947. }
  4948. }
  4949. return true;
  4950. }
  4951. }
  4952. }
  4953. ERR_FAIL_V(false); //bug? function not found
  4954. }
  4955. bool ShaderLanguage::_propagate_function_call_sampler_builtin_reference(const StringName &p_name, int p_argument, const StringName &p_builtin) {
  4956. for (int i = 0; i < shader->vfunctions.size(); i++) {
  4957. if (shader->vfunctions[i].name == p_name) {
  4958. ERR_FAIL_INDEX_V(p_argument, shader->vfunctions[i].function->arguments.size(), false);
  4959. FunctionNode::Argument *arg = &shader->vfunctions[i].function->arguments.write[p_argument];
  4960. if (arg->tex_argument_check) {
  4961. _set_error(vformat(RTR("Sampler argument %d of function '%s' called more than once using both built-ins and uniform textures, this is not supported (use either one or the other)."), p_argument, String(p_name)));
  4962. return false;
  4963. } else if (arg->tex_builtin_check) {
  4964. //was checked, verify that the built-in is the same
  4965. if (arg->tex_builtin == p_builtin) {
  4966. return true;
  4967. } else {
  4968. _set_error(vformat(RTR("Sampler argument %d of function '%s' called more than once using different built-ins. Only calling with the same built-in is supported."), p_argument, String(p_name)));
  4969. return false;
  4970. }
  4971. } else {
  4972. arg->tex_builtin_check = true;
  4973. arg->tex_builtin = p_builtin;
  4974. for (KeyValue<StringName, HashSet<int>> &E : arg->tex_argument_connect) {
  4975. for (const int &F : E.value) {
  4976. if (!_propagate_function_call_sampler_builtin_reference(E.key, F, p_builtin)) {
  4977. return false;
  4978. }
  4979. }
  4980. }
  4981. return true;
  4982. }
  4983. }
  4984. }
  4985. ERR_FAIL_V(false); //bug? function not found
  4986. }
  4987. Error ShaderLanguage::_parse_array_size(BlockNode *p_block, const FunctionInfo &p_function_info, bool p_forbid_unknown_size, Node **r_size_expression, int *r_array_size, bool *r_unknown_size) {
  4988. bool error = false;
  4989. if (r_array_size != nullptr && *r_array_size > 0) {
  4990. error = true;
  4991. }
  4992. if (r_unknown_size != nullptr && *r_unknown_size) {
  4993. error = true;
  4994. }
  4995. if (error) {
  4996. _set_error(vformat(RTR("Array size is already defined.")));
  4997. return ERR_PARSE_ERROR;
  4998. }
  4999. TkPos pos = _get_tkpos();
  5000. Token tk = _get_token();
  5001. if (tk.type == TK_BRACKET_CLOSE) {
  5002. if (p_forbid_unknown_size) {
  5003. _set_error(vformat(RTR("Unknown array size is forbidden in that context.")));
  5004. return ERR_PARSE_ERROR;
  5005. }
  5006. if (r_unknown_size != nullptr) {
  5007. *r_unknown_size = true;
  5008. }
  5009. } else {
  5010. _set_tkpos(pos);
  5011. int array_size = 0;
  5012. Node *expr = _parse_and_reduce_expression(p_block, p_function_info);
  5013. if (expr) {
  5014. Vector<Scalar> values = _get_node_values(p_block, expr);
  5015. if (!values.is_empty()) {
  5016. switch (expr->get_datatype()) {
  5017. case TYPE_INT: {
  5018. array_size = values[0].sint;
  5019. } break;
  5020. case TYPE_UINT: {
  5021. array_size = (int)values[0].uint;
  5022. } break;
  5023. default: {
  5024. } break;
  5025. }
  5026. }
  5027. if (r_size_expression != nullptr) {
  5028. *r_size_expression = expr;
  5029. }
  5030. }
  5031. if (array_size <= 0) {
  5032. _set_error(RTR("Expected a positive integer constant."));
  5033. return ERR_PARSE_ERROR;
  5034. }
  5035. tk = _get_token();
  5036. if (tk.type != TK_BRACKET_CLOSE) {
  5037. _set_expected_error("]");
  5038. return ERR_PARSE_ERROR;
  5039. }
  5040. if (r_array_size != nullptr) {
  5041. *r_array_size = array_size;
  5042. }
  5043. }
  5044. return OK;
  5045. }
  5046. ShaderLanguage::Node *ShaderLanguage::_parse_array_constructor(BlockNode *p_block, const FunctionInfo &p_function_info) {
  5047. DataType type = TYPE_VOID;
  5048. String struct_name = "";
  5049. int array_size = 0;
  5050. bool auto_size = false;
  5051. bool undefined_size = false;
  5052. Token tk = _get_token();
  5053. if (tk.type == TK_CURLY_BRACKET_OPEN) {
  5054. auto_size = true;
  5055. } else {
  5056. if (shader->structs.has(tk.text)) {
  5057. type = TYPE_STRUCT;
  5058. struct_name = tk.text;
  5059. } else {
  5060. if (!is_token_variable_datatype(tk.type)) {
  5061. _set_error(RTR("Invalid data type for the array."));
  5062. return nullptr;
  5063. }
  5064. type = get_token_datatype(tk.type);
  5065. }
  5066. tk = _get_token();
  5067. if (tk.type == TK_BRACKET_OPEN) {
  5068. Error error = _parse_array_size(p_block, p_function_info, false, nullptr, &array_size, &undefined_size);
  5069. if (error != OK) {
  5070. return nullptr;
  5071. }
  5072. tk = _get_token();
  5073. } else {
  5074. _set_expected_error("[");
  5075. return nullptr;
  5076. }
  5077. }
  5078. ArrayConstructNode *an = alloc_node<ArrayConstructNode>();
  5079. if (tk.type == TK_PARENTHESIS_OPEN || auto_size) { // initialization
  5080. int idx = 0;
  5081. while (true) {
  5082. Node *n = _parse_and_reduce_expression(p_block, p_function_info);
  5083. if (!n) {
  5084. return nullptr;
  5085. }
  5086. // define type by using the first member
  5087. if (auto_size && idx == 0) {
  5088. type = n->get_datatype();
  5089. if (type == TYPE_STRUCT) {
  5090. struct_name = n->get_datatype_name();
  5091. }
  5092. } else {
  5093. if (!_compare_datatypes(type, struct_name, 0, n->get_datatype(), n->get_datatype_name(), 0)) {
  5094. return nullptr;
  5095. }
  5096. }
  5097. tk = _get_token();
  5098. if (tk.type == TK_COMMA) {
  5099. an->initializer.push_back(n);
  5100. } else if (!auto_size && tk.type == TK_PARENTHESIS_CLOSE) {
  5101. an->initializer.push_back(n);
  5102. break;
  5103. } else if (auto_size && tk.type == TK_CURLY_BRACKET_CLOSE) {
  5104. an->initializer.push_back(n);
  5105. break;
  5106. } else {
  5107. if (auto_size) {
  5108. _set_expected_error("}", ",");
  5109. } else {
  5110. _set_expected_error(")", ",");
  5111. }
  5112. return nullptr;
  5113. }
  5114. idx++;
  5115. }
  5116. if (!auto_size && !undefined_size && an->initializer.size() != array_size) {
  5117. _set_error(vformat(RTR("Array size mismatch. Expected %d elements (found %d)."), array_size, an->initializer.size()));
  5118. return nullptr;
  5119. }
  5120. } else {
  5121. _set_error(RTR("Expected array initialization."));
  5122. return nullptr;
  5123. }
  5124. an->datatype = type;
  5125. an->struct_name = struct_name;
  5126. return an;
  5127. }
  5128. ShaderLanguage::Node *ShaderLanguage::_parse_array_constructor(BlockNode *p_block, const FunctionInfo &p_function_info, DataType p_type, const StringName &p_struct_name, int p_array_size) {
  5129. DataType type = TYPE_VOID;
  5130. String struct_name = "";
  5131. int array_size = 0;
  5132. bool auto_size = false;
  5133. TkPos prev_pos = _get_tkpos();
  5134. Token tk = _get_token();
  5135. if (tk.type == TK_CURLY_BRACKET_OPEN) {
  5136. auto_size = true;
  5137. } else {
  5138. if (shader->structs.has(tk.text)) {
  5139. type = TYPE_STRUCT;
  5140. struct_name = tk.text;
  5141. } else {
  5142. if (!is_token_variable_datatype(tk.type)) {
  5143. _set_tkpos(prev_pos);
  5144. Node *n = _parse_and_reduce_expression(p_block, p_function_info);
  5145. if (!n) {
  5146. _set_error(RTR("Invalid data type for the array."));
  5147. return nullptr;
  5148. }
  5149. if (!_compare_datatypes(p_type, p_struct_name, p_array_size, n->get_datatype(), n->get_datatype_name(), n->get_array_size())) {
  5150. return nullptr;
  5151. }
  5152. return n;
  5153. }
  5154. type = get_token_datatype(tk.type);
  5155. }
  5156. tk = _get_token();
  5157. if (tk.type == TK_BRACKET_OPEN) {
  5158. bool is_unknown_size = false;
  5159. Error error = _parse_array_size(p_block, p_function_info, false, nullptr, &array_size, &is_unknown_size);
  5160. if (error != OK) {
  5161. return nullptr;
  5162. }
  5163. if (is_unknown_size) {
  5164. array_size = p_array_size;
  5165. }
  5166. tk = _get_token();
  5167. } else {
  5168. _set_expected_error("[");
  5169. return nullptr;
  5170. }
  5171. if (type != p_type || struct_name != p_struct_name || array_size != p_array_size) {
  5172. String from;
  5173. if (type == TYPE_STRUCT) {
  5174. from += struct_name;
  5175. } else {
  5176. from += get_datatype_name(type);
  5177. }
  5178. from += "[";
  5179. from += itos(array_size);
  5180. from += "]'";
  5181. String to;
  5182. if (type == TYPE_STRUCT) {
  5183. to += p_struct_name;
  5184. } else {
  5185. to += get_datatype_name(p_type);
  5186. }
  5187. to += "[";
  5188. to += itos(p_array_size);
  5189. to += "]'";
  5190. _set_error(vformat(RTR("Cannot convert from '%s' to '%s'."), from, to));
  5191. return nullptr;
  5192. }
  5193. }
  5194. ArrayConstructNode *an = alloc_node<ArrayConstructNode>();
  5195. an->datatype = p_type;
  5196. an->struct_name = p_struct_name;
  5197. if (tk.type == TK_PARENTHESIS_OPEN || auto_size) { // initialization
  5198. while (true) {
  5199. Node *n = _parse_and_reduce_expression(p_block, p_function_info);
  5200. if (!n) {
  5201. return nullptr;
  5202. }
  5203. if (!_compare_datatypes(p_type, p_struct_name, 0, n->get_datatype(), n->get_datatype_name(), n->get_array_size())) {
  5204. return nullptr;
  5205. }
  5206. tk = _get_token();
  5207. if (tk.type == TK_COMMA) {
  5208. an->initializer.push_back(n);
  5209. } else if (!auto_size && tk.type == TK_PARENTHESIS_CLOSE) {
  5210. an->initializer.push_back(n);
  5211. break;
  5212. } else if (auto_size && tk.type == TK_CURLY_BRACKET_CLOSE) {
  5213. an->initializer.push_back(n);
  5214. break;
  5215. } else {
  5216. if (auto_size) {
  5217. _set_expected_error("}", ",");
  5218. } else {
  5219. _set_expected_error(")", ",");
  5220. }
  5221. return nullptr;
  5222. }
  5223. }
  5224. if (an->initializer.size() != p_array_size) {
  5225. _set_error(vformat(RTR("Array size mismatch. Expected %d elements (found %d)."), p_array_size, an->initializer.size()));
  5226. return nullptr;
  5227. }
  5228. } else {
  5229. _set_error(RTR("Expected array initialization."));
  5230. return nullptr;
  5231. }
  5232. return an;
  5233. }
  5234. ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, const FunctionInfo &p_function_info, const ExpressionInfo *p_previous_expression_info) {
  5235. Vector<Expression> expression;
  5236. //Vector<TokenType> operators;
  5237. #ifdef DEBUG_ENABLED
  5238. bool check_position_write = check_warnings && HAS_WARNING(ShaderWarning::MAGIC_POSITION_WRITE_FLAG);
  5239. check_position_write = check_position_write && String(shader_type_identifier) == "spatial" && current_function == "vertex";
  5240. #endif
  5241. while (true) {
  5242. Node *expr = nullptr;
  5243. TkPos prepos = _get_tkpos();
  5244. Token tk = _get_token();
  5245. TkPos pos = _get_tkpos();
  5246. bool is_const = false;
  5247. if (tk.type == TK_PARENTHESIS_OPEN) {
  5248. //handle subexpression
  5249. expr = _parse_and_reduce_expression(p_block, p_function_info);
  5250. if (!expr) {
  5251. return nullptr;
  5252. }
  5253. tk = _get_token();
  5254. if (tk.type != TK_PARENTHESIS_CLOSE) {
  5255. _set_error(RTR("Expected ')' in expression."));
  5256. return nullptr;
  5257. }
  5258. } else if (tk.type == TK_FLOAT_CONSTANT) {
  5259. ConstantNode *constant = alloc_node<ConstantNode>();
  5260. Scalar v;
  5261. v.real = tk.constant;
  5262. constant->values.push_back(v);
  5263. constant->datatype = TYPE_FLOAT;
  5264. expr = constant;
  5265. } else if (tk.type == TK_INT_CONSTANT) {
  5266. ConstantNode *constant = alloc_node<ConstantNode>();
  5267. Scalar v;
  5268. v.sint = tk.constant;
  5269. constant->values.push_back(v);
  5270. constant->datatype = TYPE_INT;
  5271. expr = constant;
  5272. } else if (tk.type == TK_UINT_CONSTANT) {
  5273. ConstantNode *constant = alloc_node<ConstantNode>();
  5274. Scalar v;
  5275. v.uint = tk.constant;
  5276. constant->values.push_back(v);
  5277. constant->datatype = TYPE_UINT;
  5278. expr = constant;
  5279. } else if (tk.type == TK_TRUE) {
  5280. //handle true constant
  5281. ConstantNode *constant = alloc_node<ConstantNode>();
  5282. Scalar v;
  5283. v.boolean = true;
  5284. constant->values.push_back(v);
  5285. constant->datatype = TYPE_BOOL;
  5286. expr = constant;
  5287. } else if (tk.type == TK_FALSE) {
  5288. //handle false constant
  5289. ConstantNode *constant = alloc_node<ConstantNode>();
  5290. Scalar v;
  5291. v.boolean = false;
  5292. constant->values.push_back(v);
  5293. constant->datatype = TYPE_BOOL;
  5294. expr = constant;
  5295. } else if (tk.type == TK_TYPE_VOID) {
  5296. //make sure void is not used in expression
  5297. _set_error(RTR("Void value not allowed in expression."));
  5298. return nullptr;
  5299. } else if (is_token_nonvoid_datatype(tk.type) || tk.type == TK_CURLY_BRACKET_OPEN) {
  5300. if (tk.type == TK_CURLY_BRACKET_OPEN) {
  5301. //array constructor
  5302. _set_tkpos(prepos);
  5303. expr = _parse_array_constructor(p_block, p_function_info);
  5304. } else {
  5305. DataType datatype;
  5306. DataPrecision precision = PRECISION_DEFAULT;
  5307. if (is_token_precision(tk.type)) {
  5308. precision = get_token_precision(tk.type);
  5309. tk = _get_token();
  5310. }
  5311. datatype = get_token_datatype(tk.type);
  5312. if (precision != PRECISION_DEFAULT && _validate_precision(datatype, precision) != OK) {
  5313. return nullptr;
  5314. }
  5315. tk = _get_token();
  5316. if (tk.type == TK_BRACKET_OPEN) {
  5317. //array constructor
  5318. _set_tkpos(prepos);
  5319. expr = _parse_array_constructor(p_block, p_function_info);
  5320. } else {
  5321. if (tk.type != TK_PARENTHESIS_OPEN) {
  5322. _set_error(RTR("Expected '(' after the type name."));
  5323. return nullptr;
  5324. }
  5325. //basic type constructor
  5326. OperatorNode *func = alloc_node<OperatorNode>();
  5327. func->op = OP_CONSTRUCT;
  5328. if (precision != PRECISION_DEFAULT) {
  5329. func->return_precision_cache = precision;
  5330. }
  5331. VariableNode *funcname = alloc_node<VariableNode>();
  5332. funcname->name = get_datatype_name(datatype);
  5333. func->arguments.push_back(funcname);
  5334. int carg = -1;
  5335. bool ok = _parse_function_arguments(p_block, p_function_info, func, &carg);
  5336. if (carg >= 0) {
  5337. completion_type = COMPLETION_CALL_ARGUMENTS;
  5338. completion_line = tk_line;
  5339. completion_block = p_block;
  5340. completion_function = funcname->name;
  5341. completion_argument = carg;
  5342. }
  5343. if (!ok) {
  5344. return nullptr;
  5345. }
  5346. if (!_validate_function_call(p_block, p_function_info, func, &func->return_cache, &func->struct_name)) {
  5347. _set_error(vformat(RTR("No matching constructor found for: '%s'."), String(funcname->name)));
  5348. return nullptr;
  5349. }
  5350. expr = _reduce_expression(p_block, func);
  5351. }
  5352. }
  5353. } else if (tk.type == TK_IDENTIFIER) {
  5354. _set_tkpos(prepos);
  5355. StringName identifier;
  5356. StructNode *pstruct = nullptr;
  5357. bool struct_init = false;
  5358. _get_completable_identifier(p_block, COMPLETION_IDENTIFIER, identifier);
  5359. if (shader->structs.has(identifier)) {
  5360. pstruct = shader->structs[identifier].shader_struct;
  5361. struct_init = true;
  5362. }
  5363. tk = _get_token();
  5364. if (tk.type == TK_PARENTHESIS_OPEN) {
  5365. if (struct_init) { //a struct constructor
  5366. const StringName &name = identifier;
  5367. OperatorNode *func = alloc_node<OperatorNode>();
  5368. func->op = OP_STRUCT;
  5369. func->struct_name = name;
  5370. func->return_cache = TYPE_STRUCT;
  5371. VariableNode *funcname = alloc_node<VariableNode>();
  5372. funcname->name = name;
  5373. func->arguments.push_back(funcname);
  5374. for (List<ShaderLanguage::MemberNode *>::Element *E = pstruct->members.front(); E; E = E->next()) {
  5375. Node *nexpr;
  5376. if (E->get()->array_size != 0) {
  5377. nexpr = _parse_array_constructor(p_block, p_function_info, E->get()->get_datatype(), E->get()->struct_name, E->get()->array_size);
  5378. if (!nexpr) {
  5379. return nullptr;
  5380. }
  5381. } else {
  5382. nexpr = _parse_and_reduce_expression(p_block, p_function_info);
  5383. if (!nexpr) {
  5384. return nullptr;
  5385. }
  5386. if (!_compare_datatypes_in_nodes(E->get(), nexpr)) {
  5387. return nullptr;
  5388. }
  5389. }
  5390. if (E->next()) {
  5391. tk = _get_token();
  5392. if (tk.type != TK_COMMA) {
  5393. _set_expected_error(",");
  5394. return nullptr;
  5395. }
  5396. }
  5397. func->arguments.push_back(nexpr);
  5398. }
  5399. tk = _get_token();
  5400. if (tk.type != TK_PARENTHESIS_CLOSE) {
  5401. _set_expected_error(")");
  5402. return nullptr;
  5403. }
  5404. expr = func;
  5405. } else { //a function call
  5406. // Non-builtin function call is forbidden for constant declaration.
  5407. if (is_const_decl) {
  5408. if (shader->functions.has(identifier)) {
  5409. _set_error(RTR("Expected constant expression."));
  5410. return nullptr;
  5411. }
  5412. }
  5413. const StringName &rname = identifier;
  5414. StringName name = identifier;
  5415. OperatorNode *func = alloc_node<OperatorNode>();
  5416. func->op = OP_CALL;
  5417. VariableNode *funcname = alloc_node<VariableNode>();
  5418. funcname->name = name;
  5419. funcname->rname = name;
  5420. func->arguments.push_back(funcname);
  5421. int carg = -1;
  5422. bool ok = _parse_function_arguments(p_block, p_function_info, func, &carg);
  5423. // Check if block has a variable with the same name as function to prevent shader crash.
  5424. ShaderLanguage::BlockNode *bnode = p_block;
  5425. while (bnode) {
  5426. if (bnode->variables.has(name)) {
  5427. _set_error(RTR("Expected a function name."));
  5428. return nullptr;
  5429. }
  5430. bnode = bnode->parent_block;
  5431. }
  5432. // Test if function was parsed first.
  5433. int function_index = -1;
  5434. for (int i = 0, max_valid_args = 0; i < shader->vfunctions.size(); i++) {
  5435. if (!shader->vfunctions[i].callable || shader->vfunctions[i].rname != rname) {
  5436. continue;
  5437. }
  5438. bool found = true;
  5439. int valid_args = 0;
  5440. // Search for correct overload.
  5441. for (int j = 1; j < func->arguments.size(); j++) {
  5442. if (j - 1 == shader->vfunctions[i].function->arguments.size()) {
  5443. found = false;
  5444. break;
  5445. }
  5446. const FunctionNode::Argument &a = shader->vfunctions[i].function->arguments[j - 1];
  5447. Node *b = func->arguments[j];
  5448. if (a.type == b->get_datatype() && a.array_size == b->get_array_size()) {
  5449. if (a.type == TYPE_STRUCT) {
  5450. if (a.struct_name != b->get_datatype_name()) {
  5451. found = false;
  5452. break;
  5453. } else {
  5454. valid_args++;
  5455. }
  5456. } else {
  5457. valid_args++;
  5458. }
  5459. } else {
  5460. if (function_overload_count[rname] == 0 && get_scalar_type(a.type) == a.type && b->type == Node::NODE_TYPE_CONSTANT && a.array_size == 0 && convert_constant(static_cast<ConstantNode *>(b), a.type)) {
  5461. // Implicit cast if no overloads.
  5462. continue;
  5463. }
  5464. found = false;
  5465. break;
  5466. }
  5467. }
  5468. // Using the best match index for completion hint if the function not found.
  5469. if (valid_args > max_valid_args) {
  5470. name = shader->vfunctions[i].name;
  5471. funcname->name = name;
  5472. max_valid_args = valid_args;
  5473. }
  5474. if (!found) {
  5475. continue;
  5476. }
  5477. // Add to current function as dependency.
  5478. for (int j = 0; j < shader->vfunctions.size(); j++) {
  5479. if (shader->vfunctions[j].name == current_function) {
  5480. shader->vfunctions.write[j].uses_function.insert(name);
  5481. break;
  5482. }
  5483. }
  5484. name = shader->vfunctions[i].name;
  5485. funcname->name = name;
  5486. // See if texture arguments must connect.
  5487. function_index = i;
  5488. break;
  5489. }
  5490. if (carg >= 0) {
  5491. completion_type = COMPLETION_CALL_ARGUMENTS;
  5492. completion_line = tk_line;
  5493. completion_block = p_block;
  5494. completion_function = funcname->name;
  5495. completion_argument = carg;
  5496. }
  5497. if (!ok) {
  5498. return nullptr;
  5499. }
  5500. if (name != current_function) { // Recursion is not allowed.
  5501. // Register call.
  5502. if (calls_info.has(name)) {
  5503. calls_info[current_function].calls.push_back(&calls_info[name]);
  5504. }
  5505. bool is_builtin = false;
  5506. if (is_supported_frag_only_funcs && stages) {
  5507. for (const KeyValue<StringName, FunctionInfo> &E : *stages) {
  5508. if (E.value.stage_functions.has(name)) {
  5509. // Register usage of the restricted stage function.
  5510. calls_info[current_function].uses_restricted_items.push_back(Pair<StringName, CallInfo::Item>(name, CallInfo::Item(CallInfo::Item::ITEM_TYPE_BUILTIN, _get_tkpos())));
  5511. is_builtin = true;
  5512. break;
  5513. }
  5514. }
  5515. }
  5516. if (!is_builtin) {
  5517. int idx = 0;
  5518. while (frag_only_func_defs[idx].name) {
  5519. if (frag_only_func_defs[idx].name == name) {
  5520. // If a built-in function not found for the current shader type, then it shouldn't be parsed further.
  5521. if (!is_supported_frag_only_funcs) {
  5522. _set_error(vformat(RTR("Built-in function '%s' is not supported for the '%s' shader type."), name, shader_type_identifier));
  5523. return nullptr;
  5524. }
  5525. // Register usage of the restricted function.
  5526. calls_info[current_function].uses_restricted_items.push_back(Pair<StringName, CallInfo::Item>(name, CallInfo::Item(CallInfo::Item::ITEM_TYPE_BUILTIN, _get_tkpos())));
  5527. is_builtin = true;
  5528. break;
  5529. }
  5530. idx++;
  5531. }
  5532. }
  5533. // Recursively checks for the restricted function call.
  5534. if (is_supported_frag_only_funcs && current_function == "vertex" && stages->has(current_function) && !_validate_restricted_func(name, &calls_info[current_function], is_builtin)) {
  5535. return nullptr;
  5536. }
  5537. }
  5538. bool is_custom_func = false;
  5539. if (!_validate_function_call(p_block, p_function_info, func, &func->return_cache, &func->struct_name, &is_custom_func)) {
  5540. _set_error(vformat(RTR("No matching function found for: '%s'."), String(funcname->rname)));
  5541. return nullptr;
  5542. }
  5543. completion_class = TAG_GLOBAL; // reset sub-class
  5544. if (function_index >= 0) {
  5545. //connect texture arguments, so we can cache in the
  5546. //argument what type of filter and repeat to use
  5547. FunctionNode *call_function = shader->vfunctions[function_index].function;
  5548. if (call_function) {
  5549. func->return_cache = call_function->get_datatype();
  5550. func->struct_name = call_function->get_datatype_name();
  5551. func->return_array_size = call_function->get_array_size();
  5552. //get current base function
  5553. FunctionNode *base_function = nullptr;
  5554. {
  5555. BlockNode *b = p_block;
  5556. while (b) {
  5557. if (b->parent_function) {
  5558. base_function = b->parent_function;
  5559. break;
  5560. } else {
  5561. b = b->parent_block;
  5562. }
  5563. }
  5564. }
  5565. ERR_FAIL_NULL_V(base_function, nullptr); // Bug, wtf.
  5566. for (int i = 0; i < call_function->arguments.size(); i++) {
  5567. int argidx = i + 1;
  5568. if (argidx < func->arguments.size()) {
  5569. bool error = false;
  5570. Node *n = func->arguments[argidx];
  5571. ArgumentQualifier arg_qual = call_function->arguments[i].qualifier;
  5572. bool is_out_arg = arg_qual != ArgumentQualifier::ARGUMENT_QUALIFIER_IN;
  5573. if (n->type == Node::NODE_TYPE_VARIABLE || n->type == Node::NODE_TYPE_ARRAY) {
  5574. StringName varname;
  5575. if (n->type == Node::NODE_TYPE_VARIABLE) {
  5576. VariableNode *vn = static_cast<VariableNode *>(n);
  5577. varname = vn->name;
  5578. } else { // TYPE_ARRAY
  5579. ArrayNode *an = static_cast<ArrayNode *>(n);
  5580. varname = an->name;
  5581. }
  5582. if (shader->varyings.has(varname)) {
  5583. switch (shader->varyings[varname].stage) {
  5584. case ShaderNode::Varying::STAGE_UNKNOWN:
  5585. if (is_out_arg) {
  5586. error = true;
  5587. }
  5588. break;
  5589. case ShaderNode::Varying::STAGE_VERTEX:
  5590. if (is_out_arg && current_function != varying_function_names.vertex) { // inout/out
  5591. error = true;
  5592. }
  5593. break;
  5594. case ShaderNode::Varying::STAGE_FRAGMENT:
  5595. if (!is_out_arg) {
  5596. if (current_function != varying_function_names.fragment && current_function != varying_function_names.light) {
  5597. error = true;
  5598. }
  5599. } else if (current_function != varying_function_names.fragment) { // inout/out
  5600. error = true;
  5601. }
  5602. break;
  5603. default:
  5604. break;
  5605. }
  5606. if (error) {
  5607. _set_error(vformat(RTR("Varying '%s' cannot be passed for the '%s' parameter in that context."), varname, _get_qualifier_str(arg_qual)));
  5608. return nullptr;
  5609. }
  5610. }
  5611. }
  5612. bool is_const_arg = call_function->arguments[i].is_const;
  5613. if (is_const_arg || is_out_arg) {
  5614. StringName varname;
  5615. if (n->type == Node::NODE_TYPE_CONSTANT || n->type == Node::NODE_TYPE_OPERATOR || n->type == Node::NODE_TYPE_ARRAY_CONSTRUCT) {
  5616. if (!is_const_arg) {
  5617. error = true;
  5618. }
  5619. } else if (n->type == Node::NODE_TYPE_ARRAY) {
  5620. ArrayNode *an = static_cast<ArrayNode *>(n);
  5621. if (!is_const_arg && (an->call_expression != nullptr || an->is_const)) {
  5622. error = true;
  5623. }
  5624. varname = an->name;
  5625. } else if (n->type == Node::NODE_TYPE_VARIABLE) {
  5626. VariableNode *vn = static_cast<VariableNode *>(n);
  5627. if (vn->is_const && !is_const_arg) {
  5628. error = true;
  5629. }
  5630. varname = vn->name;
  5631. } else if (n->type == Node::NODE_TYPE_MEMBER) {
  5632. MemberNode *mn = static_cast<MemberNode *>(n);
  5633. if (mn->basetype_const && is_out_arg) {
  5634. error = true;
  5635. }
  5636. }
  5637. if (!error && varname != StringName()) {
  5638. if (shader->constants.has(varname)) {
  5639. error = true;
  5640. } else if (shader->uniforms.has(varname)) {
  5641. error = true;
  5642. } else if (p_function_info.built_ins.has(varname)) {
  5643. BuiltInInfo info = p_function_info.built_ins[varname];
  5644. if (info.constant) {
  5645. error = true;
  5646. }
  5647. }
  5648. }
  5649. if (error) {
  5650. _set_error(vformat(RTR("A constant value cannot be passed for the '%s' parameter."), _get_qualifier_str(arg_qual)));
  5651. return nullptr;
  5652. }
  5653. }
  5654. if (is_sampler_type(call_function->arguments[i].type)) {
  5655. // Let's see where our argument comes from.
  5656. StringName varname;
  5657. if (n->type == Node::NODE_TYPE_VARIABLE) {
  5658. VariableNode *vn = static_cast<VariableNode *>(n);
  5659. varname = vn->name;
  5660. } else if (n->type == Node::NODE_TYPE_ARRAY) {
  5661. ArrayNode *an = static_cast<ArrayNode *>(n);
  5662. varname = an->name;
  5663. }
  5664. if (shader->uniforms.has(varname)) {
  5665. //being sampler, this either comes from a uniform
  5666. ShaderNode::Uniform *u = &shader->uniforms[varname];
  5667. ERR_CONTINUE(u->type != call_function->arguments[i].type); //this should have been validated previously
  5668. if (RendererCompositor::get_singleton()->is_xr_enabled() && is_custom_func) {
  5669. ShaderNode::Uniform::Hint hint = u->hint;
  5670. if (hint == ShaderNode::Uniform::HINT_DEPTH_TEXTURE || hint == ShaderNode::Uniform::HINT_SCREEN_TEXTURE || hint == ShaderNode::Uniform::HINT_NORMAL_ROUGHNESS_TEXTURE) {
  5671. _set_error(vformat(RTR("Unable to pass a multiview texture sampler as a parameter to custom function. Consider to sample it in the main function and then pass the vector result to it."), get_uniform_hint_name(hint)));
  5672. return nullptr;
  5673. }
  5674. }
  5675. //propagate
  5676. if (!_propagate_function_call_sampler_uniform_settings(name, i, u->filter, u->repeat, u->hint)) {
  5677. return nullptr;
  5678. }
  5679. } else if (p_function_info.built_ins.has(varname)) {
  5680. //a built-in
  5681. if (!_propagate_function_call_sampler_builtin_reference(name, i, varname)) {
  5682. return nullptr;
  5683. }
  5684. } else {
  5685. //or this comes from an argument, but nothing else can be a sampler
  5686. bool found = false;
  5687. for (int j = 0; j < base_function->arguments.size(); j++) {
  5688. if (base_function->arguments[j].name == varname) {
  5689. if (!base_function->arguments[j].tex_argument_connect.has(call_function->name)) {
  5690. base_function->arguments.write[j].tex_argument_connect[call_function->name] = HashSet<int>();
  5691. }
  5692. base_function->arguments.write[j].tex_argument_connect[call_function->name].insert(i);
  5693. found = true;
  5694. break;
  5695. }
  5696. }
  5697. ERR_CONTINUE(!found);
  5698. }
  5699. }
  5700. } else {
  5701. break;
  5702. }
  5703. }
  5704. }
  5705. }
  5706. expr = func;
  5707. #ifdef DEBUG_ENABLED
  5708. if (check_warnings && is_custom_func) {
  5709. StringName func_name;
  5710. if (p_block && p_block->parent_function) {
  5711. func_name = p_block->parent_function->name;
  5712. }
  5713. _parse_used_identifier(name, IdentifierType::IDENTIFIER_FUNCTION, func_name);
  5714. }
  5715. #endif // DEBUG_ENABLED
  5716. }
  5717. } else {
  5718. //an identifier
  5719. last_name = identifier;
  5720. last_type = IDENTIFIER_MAX;
  5721. _set_tkpos(pos);
  5722. DataType data_type = TYPE_MAX;
  5723. IdentifierType ident_type = IDENTIFIER_MAX;
  5724. int array_size = 0;
  5725. StringName struct_name;
  5726. bool is_local = false;
  5727. if (p_block && p_block->block_tag != SubClassTag::TAG_GLOBAL) {
  5728. int idx = 0;
  5729. bool found = false;
  5730. while (builtin_func_defs[idx].name) {
  5731. if (builtin_func_defs[idx].tag == p_block->block_tag && builtin_func_defs[idx].name == identifier) {
  5732. found = true;
  5733. break;
  5734. }
  5735. idx++;
  5736. }
  5737. if (!found) {
  5738. _set_error(vformat(RTR("Unknown identifier in expression: '%s'."), String(identifier)));
  5739. return nullptr;
  5740. }
  5741. } else {
  5742. if (!_find_identifier(p_block, false, p_function_info, identifier, &data_type, &ident_type, &is_const, &array_size, &struct_name)) {
  5743. if (identifier == "SCREEN_TEXTURE" || identifier == "DEPTH_TEXTURE" || identifier == "NORMAL_ROUGHNESS_TEXTURE") {
  5744. String name = String(identifier);
  5745. String name_lower = name.to_lower();
  5746. _set_error(vformat(RTR("%s has been removed in favor of using hint_%s with a uniform.\nTo continue with minimal code changes add 'uniform sampler2D %s : hint_%s, filter_linear_mipmap;' near the top of your shader."), name, name_lower, name, name_lower));
  5747. return nullptr;
  5748. }
  5749. _set_error(vformat(RTR("Unknown identifier in expression: '%s'."), String(identifier)));
  5750. return nullptr;
  5751. }
  5752. if (is_const_decl && !is_const) {
  5753. _set_error(RTR("Expected constant expression."));
  5754. return nullptr;
  5755. }
  5756. if (ident_type == IDENTIFIER_VARYING) {
  5757. TkPos prev_pos = _get_tkpos();
  5758. Token next_token = _get_token();
  5759. // An array of varyings.
  5760. if (next_token.type == TK_BRACKET_OPEN) {
  5761. _get_token(); // Pass constant.
  5762. _get_token(); // Pass TK_BRACKET_CLOSE.
  5763. next_token = _get_token();
  5764. }
  5765. _set_tkpos(prev_pos);
  5766. ShaderNode::Varying &var = shader->varyings[identifier];
  5767. calls_info[current_function].uses_restricted_items.push_back(Pair<StringName, CallInfo::Item>(identifier, CallInfo::Item(CallInfo::Item::ITEM_TYPE_VARYING, prev_pos)));
  5768. String error;
  5769. if (is_token_operator_assign(next_token.type)) {
  5770. if (!_validate_varying_assign(shader->varyings[identifier], &error)) {
  5771. _set_error(error);
  5772. return nullptr;
  5773. }
  5774. } else {
  5775. if (var.stage == ShaderNode::Varying::STAGE_UNKNOWN && var.type < TYPE_INT) {
  5776. if (current_function == varying_function_names.vertex) {
  5777. _set_error(vformat(RTR("Varying with '%s' data type may only be used in the '%s' function."), get_datatype_name(var.type), "fragment"));
  5778. } else {
  5779. _set_error(vformat(RTR("Varying '%s' must be assigned in the '%s' function first."), identifier, "fragment"));
  5780. }
  5781. return nullptr;
  5782. }
  5783. }
  5784. }
  5785. if (ident_type == IDENTIFIER_FUNCTION) {
  5786. _set_error(vformat(RTR("Can't use function as identifier: '%s'."), String(identifier)));
  5787. return nullptr;
  5788. }
  5789. #ifdef DEBUG_ENABLED
  5790. if (check_position_write && ident_type == IDENTIFIER_BUILTIN_VAR) {
  5791. if (String(identifier) == "POSITION") {
  5792. // Check if the user wrote "POSITION = vec4(VERTEX," and warn if they did.
  5793. TkPos prev_pos = _get_tkpos();
  5794. if (_get_token().type == TK_OP_ASSIGN &&
  5795. _get_token().type == TK_TYPE_VEC4 &&
  5796. _get_token().type == TK_PARENTHESIS_OPEN &&
  5797. _get_token().text == "VERTEX" &&
  5798. _get_token().type == TK_COMMA) {
  5799. _add_line_warning(ShaderWarning::MAGIC_POSITION_WRITE);
  5800. }
  5801. // Reset the position so compiling can continue as normal.
  5802. _set_tkpos(prev_pos);
  5803. }
  5804. }
  5805. #endif
  5806. if (is_const) {
  5807. last_type = IDENTIFIER_CONSTANT;
  5808. } else {
  5809. last_type = ident_type;
  5810. }
  5811. is_local = ident_type == IDENTIFIER_LOCAL_VAR || ident_type == IDENTIFIER_FUNCTION_ARGUMENT;
  5812. }
  5813. Node *index_expression = nullptr;
  5814. Node *call_expression = nullptr;
  5815. Node *assign_expression = nullptr;
  5816. if (array_size > 0) {
  5817. prepos = _get_tkpos();
  5818. tk = _get_token();
  5819. if (tk.type == TK_OP_ASSIGN) {
  5820. if (is_const) {
  5821. _set_error(RTR("Constants cannot be modified."));
  5822. return nullptr;
  5823. }
  5824. assign_expression = _parse_array_constructor(p_block, p_function_info, data_type, struct_name, array_size);
  5825. if (!assign_expression) {
  5826. return nullptr;
  5827. }
  5828. } else if (tk.type == TK_PERIOD) {
  5829. completion_class = TAG_ARRAY;
  5830. if (p_block != nullptr) {
  5831. p_block->block_tag = SubClassTag::TAG_ARRAY;
  5832. }
  5833. call_expression = _parse_and_reduce_expression(p_block, p_function_info);
  5834. if (p_block != nullptr) {
  5835. p_block->block_tag = SubClassTag::TAG_GLOBAL;
  5836. }
  5837. if (!call_expression) {
  5838. return nullptr;
  5839. }
  5840. } else if (tk.type == TK_BRACKET_OPEN) { // indexing
  5841. index_expression = _parse_and_reduce_expression(p_block, p_function_info);
  5842. if (!index_expression) {
  5843. return nullptr;
  5844. }
  5845. if (index_expression->get_array_size() != 0 || (index_expression->get_datatype() != TYPE_INT && index_expression->get_datatype() != TYPE_UINT)) {
  5846. _set_error(RTR("Only integer expressions are allowed for indexing."));
  5847. return nullptr;
  5848. }
  5849. if (index_expression->type == Node::NODE_TYPE_CONSTANT) {
  5850. ConstantNode *cnode = static_cast<ConstantNode *>(index_expression);
  5851. if (cnode) {
  5852. if (!cnode->values.is_empty()) {
  5853. int value = cnode->values[0].sint;
  5854. if (value < 0 || value >= array_size) {
  5855. _set_error(vformat(RTR("Index [%d] out of range [%d..%d]."), value, 0, array_size - 1));
  5856. return nullptr;
  5857. }
  5858. }
  5859. }
  5860. }
  5861. tk = _get_token();
  5862. if (tk.type != TK_BRACKET_CLOSE) {
  5863. _set_expected_error("]");
  5864. return nullptr;
  5865. }
  5866. } else {
  5867. _set_tkpos(prepos);
  5868. }
  5869. ArrayNode *arrname = alloc_node<ArrayNode>();
  5870. arrname->name = identifier;
  5871. arrname->datatype_cache = data_type;
  5872. arrname->struct_name = struct_name;
  5873. arrname->index_expression = index_expression;
  5874. arrname->call_expression = call_expression;
  5875. arrname->assign_expression = assign_expression;
  5876. arrname->is_const = is_const;
  5877. arrname->array_size = array_size;
  5878. arrname->is_local = is_local;
  5879. expr = arrname;
  5880. } else {
  5881. VariableNode *varname = alloc_node<VariableNode>();
  5882. varname->name = identifier;
  5883. varname->datatype_cache = data_type;
  5884. varname->is_const = is_const;
  5885. varname->struct_name = struct_name;
  5886. varname->is_local = is_local;
  5887. expr = varname;
  5888. }
  5889. #ifdef DEBUG_ENABLED
  5890. if (check_warnings) {
  5891. StringName func_name;
  5892. BlockNode *b = p_block;
  5893. while (b) {
  5894. if (b->parent_function) {
  5895. func_name = b->parent_function->name;
  5896. break;
  5897. } else {
  5898. b = b->parent_block;
  5899. }
  5900. }
  5901. _parse_used_identifier(identifier, ident_type, func_name);
  5902. }
  5903. #endif // DEBUG_ENABLED
  5904. }
  5905. } else if (tk.type == TK_OP_ADD) {
  5906. continue; //this one does nothing
  5907. } else if (tk.type == TK_OP_SUB || tk.type == TK_OP_NOT || tk.type == TK_OP_BIT_INVERT || tk.type == TK_OP_INCREMENT || tk.type == TK_OP_DECREMENT) {
  5908. Expression e;
  5909. e.is_op = true;
  5910. switch (tk.type) {
  5911. case TK_OP_SUB:
  5912. e.op = OP_NEGATE;
  5913. break;
  5914. case TK_OP_NOT:
  5915. e.op = OP_NOT;
  5916. break;
  5917. case TK_OP_BIT_INVERT:
  5918. e.op = OP_BIT_INVERT;
  5919. break;
  5920. case TK_OP_INCREMENT:
  5921. e.op = OP_INCREMENT;
  5922. break;
  5923. case TK_OP_DECREMENT:
  5924. e.op = OP_DECREMENT;
  5925. break;
  5926. default:
  5927. ERR_FAIL_V(nullptr);
  5928. }
  5929. expression.push_back(e);
  5930. continue;
  5931. } else {
  5932. bool valid = false;
  5933. if (p_block && p_block->block_type == BlockNode::BLOCK_TYPE_FOR_EXPRESSION && tk.type == TK_PARENTHESIS_CLOSE) {
  5934. valid = true;
  5935. _set_tkpos(prepos);
  5936. OperatorNode *func = alloc_node<OperatorNode>();
  5937. func->op = OP_EMPTY;
  5938. expr = func;
  5939. }
  5940. if (!valid) {
  5941. if (tk.type != TK_SEMICOLON) {
  5942. _set_error(vformat(RTR("Expected expression, found: '%s'."), get_token_text(tk)));
  5943. return nullptr;
  5944. } else {
  5945. #ifdef DEBUG_ENABLED
  5946. if (!p_block || (p_block->block_type != BlockNode::BLOCK_TYPE_FOR_INIT && p_block->block_type != BlockNode::BLOCK_TYPE_FOR_CONDITION)) {
  5947. if (check_warnings && HAS_WARNING(ShaderWarning::FORMATTING_ERROR_FLAG)) {
  5948. _add_line_warning(ShaderWarning::FORMATTING_ERROR, RTR("Empty statement. Remove ';' to fix this warning."));
  5949. }
  5950. }
  5951. #endif // DEBUG_ENABLED
  5952. _set_tkpos(prepos);
  5953. OperatorNode *func = alloc_node<OperatorNode>();
  5954. func->op = OP_EMPTY;
  5955. expr = func;
  5956. }
  5957. }
  5958. }
  5959. ERR_FAIL_NULL_V(expr, nullptr);
  5960. /* OK now see what's NEXT to the operator.. */
  5961. while (true) {
  5962. TkPos pos2 = _get_tkpos();
  5963. tk = _get_token();
  5964. if (tk.type == TK_CURSOR) {
  5965. //do nothing
  5966. } else if (tk.type == TK_PERIOD) {
  5967. #ifdef DEBUG_ENABLED
  5968. uint32_t prev_keyword_completion_context = keyword_completion_context;
  5969. keyword_completion_context = CF_UNSPECIFIED;
  5970. #endif
  5971. DataType dt = expr->get_datatype();
  5972. String st = expr->get_datatype_name();
  5973. if (!expr->is_indexed() && expr->get_array_size() > 0) {
  5974. completion_class = TAG_ARRAY;
  5975. if (p_block != nullptr) {
  5976. p_block->block_tag = SubClassTag::TAG_ARRAY;
  5977. }
  5978. Node *call_expression = _parse_and_reduce_expression(p_block, p_function_info);
  5979. if (p_block != nullptr) {
  5980. p_block->block_tag = SubClassTag::TAG_GLOBAL;
  5981. }
  5982. if (!call_expression) {
  5983. return nullptr;
  5984. }
  5985. expr = call_expression;
  5986. break;
  5987. }
  5988. StringName identifier;
  5989. if (_get_completable_identifier(p_block, dt == TYPE_STRUCT ? COMPLETION_STRUCT : COMPLETION_INDEX, identifier)) {
  5990. if (dt == TYPE_STRUCT) {
  5991. completion_struct = st;
  5992. } else {
  5993. completion_base = dt;
  5994. }
  5995. }
  5996. if (identifier == StringName()) {
  5997. _set_error(RTR("Expected an identifier as a member."));
  5998. return nullptr;
  5999. }
  6000. String ident = identifier;
  6001. bool ok = true;
  6002. bool repeated = false;
  6003. DataType member_type = TYPE_VOID;
  6004. StringName member_struct_name = "";
  6005. int array_size = 0;
  6006. RBSet<char> position_symbols;
  6007. RBSet<char> color_symbols;
  6008. RBSet<char> texture_symbols;
  6009. bool mix_error = false;
  6010. switch (dt) {
  6011. case TYPE_STRUCT: {
  6012. ok = false;
  6013. String member_name = String(ident.ptr());
  6014. if (shader->structs.has(st)) {
  6015. StructNode *n = shader->structs[st].shader_struct;
  6016. for (const MemberNode *E : n->members) {
  6017. if (String(E->name) == member_name) {
  6018. member_type = E->datatype;
  6019. array_size = E->array_size;
  6020. if (member_type == TYPE_STRUCT) {
  6021. member_struct_name = E->struct_name;
  6022. }
  6023. ok = true;
  6024. break;
  6025. }
  6026. }
  6027. }
  6028. } break;
  6029. case TYPE_BVEC2:
  6030. case TYPE_IVEC2:
  6031. case TYPE_UVEC2:
  6032. case TYPE_VEC2: {
  6033. int l = ident.length();
  6034. if (l == 1) {
  6035. member_type = DataType(dt - 1);
  6036. } else if (l == 2) {
  6037. member_type = dt;
  6038. } else if (l == 3) {
  6039. member_type = DataType(dt + 1);
  6040. } else if (l == 4) {
  6041. member_type = DataType(dt + 2);
  6042. } else {
  6043. ok = false;
  6044. break;
  6045. }
  6046. const char32_t *c = ident.ptr();
  6047. for (int i = 0; i < l; i++) {
  6048. switch (c[i]) {
  6049. case 'r':
  6050. case 'g':
  6051. if (position_symbols.size() > 0 || texture_symbols.size() > 0) {
  6052. mix_error = true;
  6053. break;
  6054. }
  6055. if (!color_symbols.has(c[i])) {
  6056. color_symbols.insert(c[i]);
  6057. } else {
  6058. repeated = true;
  6059. }
  6060. break;
  6061. case 'x':
  6062. case 'y':
  6063. if (color_symbols.size() > 0 || texture_symbols.size() > 0) {
  6064. mix_error = true;
  6065. break;
  6066. }
  6067. if (!position_symbols.has(c[i])) {
  6068. position_symbols.insert(c[i]);
  6069. } else {
  6070. repeated = true;
  6071. }
  6072. break;
  6073. case 's':
  6074. case 't':
  6075. if (color_symbols.size() > 0 || position_symbols.size() > 0) {
  6076. mix_error = true;
  6077. break;
  6078. }
  6079. if (!texture_symbols.has(c[i])) {
  6080. texture_symbols.insert(c[i]);
  6081. } else {
  6082. repeated = true;
  6083. }
  6084. break;
  6085. default:
  6086. ok = false;
  6087. break;
  6088. }
  6089. }
  6090. } break;
  6091. case TYPE_BVEC3:
  6092. case TYPE_IVEC3:
  6093. case TYPE_UVEC3:
  6094. case TYPE_VEC3: {
  6095. int l = ident.length();
  6096. if (l == 1) {
  6097. member_type = DataType(dt - 2);
  6098. } else if (l == 2) {
  6099. member_type = DataType(dt - 1);
  6100. } else if (l == 3) {
  6101. member_type = dt;
  6102. } else if (l == 4) {
  6103. member_type = DataType(dt + 1);
  6104. } else {
  6105. ok = false;
  6106. break;
  6107. }
  6108. const char32_t *c = ident.ptr();
  6109. for (int i = 0; i < l; i++) {
  6110. switch (c[i]) {
  6111. case 'r':
  6112. case 'g':
  6113. case 'b':
  6114. if (position_symbols.size() > 0 || texture_symbols.size() > 0) {
  6115. mix_error = true;
  6116. break;
  6117. }
  6118. if (!color_symbols.has(c[i])) {
  6119. color_symbols.insert(c[i]);
  6120. } else {
  6121. repeated = true;
  6122. }
  6123. break;
  6124. case 'x':
  6125. case 'y':
  6126. case 'z':
  6127. if (color_symbols.size() > 0 || texture_symbols.size() > 0) {
  6128. mix_error = true;
  6129. break;
  6130. }
  6131. if (!position_symbols.has(c[i])) {
  6132. position_symbols.insert(c[i]);
  6133. } else {
  6134. repeated = true;
  6135. }
  6136. break;
  6137. case 's':
  6138. case 't':
  6139. case 'p':
  6140. if (color_symbols.size() > 0 || position_symbols.size() > 0) {
  6141. mix_error = true;
  6142. break;
  6143. }
  6144. if (!texture_symbols.has(c[i])) {
  6145. texture_symbols.insert(c[i]);
  6146. } else {
  6147. repeated = true;
  6148. }
  6149. break;
  6150. default:
  6151. ok = false;
  6152. break;
  6153. }
  6154. }
  6155. } break;
  6156. case TYPE_BVEC4:
  6157. case TYPE_IVEC4:
  6158. case TYPE_UVEC4:
  6159. case TYPE_VEC4: {
  6160. int l = ident.length();
  6161. if (l == 1) {
  6162. member_type = DataType(dt - 3);
  6163. } else if (l == 2) {
  6164. member_type = DataType(dt - 2);
  6165. } else if (l == 3) {
  6166. member_type = DataType(dt - 1);
  6167. } else if (l == 4) {
  6168. member_type = dt;
  6169. } else {
  6170. ok = false;
  6171. break;
  6172. }
  6173. const char32_t *c = ident.ptr();
  6174. for (int i = 0; i < l; i++) {
  6175. switch (c[i]) {
  6176. case 'r':
  6177. case 'g':
  6178. case 'b':
  6179. case 'a':
  6180. if (position_symbols.size() > 0 || texture_symbols.size() > 0) {
  6181. mix_error = true;
  6182. break;
  6183. }
  6184. if (!color_symbols.has(c[i])) {
  6185. color_symbols.insert(c[i]);
  6186. } else {
  6187. repeated = true;
  6188. }
  6189. break;
  6190. case 'x':
  6191. case 'y':
  6192. case 'z':
  6193. case 'w':
  6194. if (color_symbols.size() > 0 || texture_symbols.size() > 0) {
  6195. mix_error = true;
  6196. break;
  6197. }
  6198. if (!position_symbols.has(c[i])) {
  6199. position_symbols.insert(c[i]);
  6200. } else {
  6201. repeated = true;
  6202. }
  6203. break;
  6204. case 's':
  6205. case 't':
  6206. case 'p':
  6207. case 'q':
  6208. if (color_symbols.size() > 0 || position_symbols.size() > 0) {
  6209. mix_error = true;
  6210. break;
  6211. }
  6212. if (!texture_symbols.has(c[i])) {
  6213. texture_symbols.insert(c[i]);
  6214. } else {
  6215. repeated = true;
  6216. }
  6217. break;
  6218. default:
  6219. ok = false;
  6220. break;
  6221. }
  6222. }
  6223. } break;
  6224. default: {
  6225. ok = false;
  6226. }
  6227. }
  6228. if (mix_error) {
  6229. _set_error(vformat(RTR("Cannot combine symbols from different sets in expression '.%s'."), ident));
  6230. return nullptr;
  6231. }
  6232. if (!ok) {
  6233. _set_error(vformat(RTR("Invalid member for '%s' expression: '.%s'."), (dt == TYPE_STRUCT ? st : get_datatype_name(dt)), ident));
  6234. return nullptr;
  6235. }
  6236. MemberNode *mn = alloc_node<MemberNode>();
  6237. mn->basetype = dt;
  6238. mn->basetype_const = is_const;
  6239. mn->datatype = member_type;
  6240. mn->base_struct_name = st;
  6241. mn->struct_name = member_struct_name;
  6242. mn->array_size = array_size;
  6243. mn->name = ident;
  6244. mn->owner = expr;
  6245. mn->has_swizzling_duplicates = repeated;
  6246. if (array_size > 0) {
  6247. TkPos prev_pos = _get_tkpos();
  6248. tk = _get_token();
  6249. if (tk.type == TK_OP_ASSIGN) {
  6250. if (last_type == IDENTIFIER_CONSTANT) {
  6251. _set_error(RTR("Constants cannot be modified."));
  6252. return nullptr;
  6253. }
  6254. Node *assign_expression = _parse_array_constructor(p_block, p_function_info, member_type, member_struct_name, array_size);
  6255. if (!assign_expression) {
  6256. return nullptr;
  6257. }
  6258. mn->assign_expression = assign_expression;
  6259. } else if (tk.type == TK_PERIOD) {
  6260. completion_class = TAG_ARRAY;
  6261. if (p_block != nullptr) {
  6262. p_block->block_tag = SubClassTag::TAG_ARRAY;
  6263. }
  6264. mn->call_expression = _parse_and_reduce_expression(p_block, p_function_info);
  6265. if (p_block != nullptr) {
  6266. p_block->block_tag = SubClassTag::TAG_GLOBAL;
  6267. }
  6268. if (!mn->call_expression) {
  6269. return nullptr;
  6270. }
  6271. } else if (tk.type == TK_BRACKET_OPEN) {
  6272. Node *index_expression = _parse_and_reduce_expression(p_block, p_function_info);
  6273. if (!index_expression) {
  6274. return nullptr;
  6275. }
  6276. if (index_expression->get_array_size() != 0 || (index_expression->get_datatype() != TYPE_INT && index_expression->get_datatype() != TYPE_UINT)) {
  6277. _set_error(RTR("Only integer expressions are allowed for indexing."));
  6278. return nullptr;
  6279. }
  6280. if (index_expression->type == Node::NODE_TYPE_CONSTANT) {
  6281. ConstantNode *cnode = static_cast<ConstantNode *>(index_expression);
  6282. if (cnode) {
  6283. if (!cnode->values.is_empty()) {
  6284. int value = cnode->values[0].sint;
  6285. if (value < 0 || value >= array_size) {
  6286. _set_error(vformat(RTR("Index [%d] out of range [%d..%d]."), value, 0, array_size - 1));
  6287. return nullptr;
  6288. }
  6289. }
  6290. }
  6291. }
  6292. tk = _get_token();
  6293. if (tk.type != TK_BRACKET_CLOSE) {
  6294. _set_expected_error("]");
  6295. return nullptr;
  6296. }
  6297. mn->index_expression = index_expression;
  6298. } else {
  6299. _set_tkpos(prev_pos);
  6300. }
  6301. }
  6302. expr = mn;
  6303. #ifdef DEBUG_ENABLED
  6304. keyword_completion_context = prev_keyword_completion_context;
  6305. #endif
  6306. //todo
  6307. //member (period) has priority over any operator
  6308. //creates a subindexing expression in place
  6309. /*} else if (tk.type==TK_BRACKET_OPEN) {
  6310. //todo
  6311. //subindexing has priority over any operator
  6312. //creates a subindexing expression in place
  6313. */
  6314. } else if (tk.type == TK_BRACKET_OPEN) {
  6315. Node *index = _parse_and_reduce_expression(p_block, p_function_info);
  6316. if (!index) {
  6317. return nullptr;
  6318. }
  6319. if (index->get_array_size() != 0 || (index->get_datatype() != TYPE_INT && index->get_datatype() != TYPE_UINT)) {
  6320. _set_error(RTR("Only integer expressions are allowed for indexing."));
  6321. return nullptr;
  6322. }
  6323. DataType member_type = TYPE_VOID;
  6324. String member_struct_name;
  6325. if (expr->get_array_size() > 0) {
  6326. if (index->type == Node::NODE_TYPE_CONSTANT) {
  6327. uint32_t index_constant = static_cast<ConstantNode *>(index)->values[0].uint;
  6328. if (index_constant >= (uint32_t)expr->get_array_size()) {
  6329. _set_error(vformat(RTR("Index [%d] out of range [%d..%d]."), index_constant, 0, expr->get_array_size() - 1));
  6330. return nullptr;
  6331. }
  6332. }
  6333. member_type = expr->get_datatype();
  6334. if (member_type == TYPE_STRUCT) {
  6335. member_struct_name = expr->get_datatype_name();
  6336. }
  6337. } else {
  6338. switch (expr->get_datatype()) {
  6339. case TYPE_BVEC2:
  6340. case TYPE_VEC2:
  6341. case TYPE_IVEC2:
  6342. case TYPE_UVEC2:
  6343. case TYPE_MAT2:
  6344. if (index->type == Node::NODE_TYPE_CONSTANT) {
  6345. uint32_t index_constant = static_cast<ConstantNode *>(index)->values[0].uint;
  6346. if (index_constant >= 2) {
  6347. _set_error(vformat(RTR("Index [%d] out of range [%d..%d]."), index_constant, 0, 1));
  6348. return nullptr;
  6349. }
  6350. }
  6351. switch (expr->get_datatype()) {
  6352. case TYPE_BVEC2:
  6353. member_type = TYPE_BOOL;
  6354. break;
  6355. case TYPE_VEC2:
  6356. member_type = TYPE_FLOAT;
  6357. break;
  6358. case TYPE_IVEC2:
  6359. member_type = TYPE_INT;
  6360. break;
  6361. case TYPE_UVEC2:
  6362. member_type = TYPE_UINT;
  6363. break;
  6364. case TYPE_MAT2:
  6365. member_type = TYPE_VEC2;
  6366. break;
  6367. default:
  6368. break;
  6369. }
  6370. break;
  6371. case TYPE_BVEC3:
  6372. case TYPE_VEC3:
  6373. case TYPE_IVEC3:
  6374. case TYPE_UVEC3:
  6375. case TYPE_MAT3:
  6376. if (index->type == Node::NODE_TYPE_CONSTANT) {
  6377. uint32_t index_constant = static_cast<ConstantNode *>(index)->values[0].uint;
  6378. if (index_constant >= 3) {
  6379. _set_error(vformat(RTR("Index [%d] out of range [%d..%d]."), index_constant, 0, 2));
  6380. return nullptr;
  6381. }
  6382. }
  6383. switch (expr->get_datatype()) {
  6384. case TYPE_BVEC3:
  6385. member_type = TYPE_BOOL;
  6386. break;
  6387. case TYPE_VEC3:
  6388. member_type = TYPE_FLOAT;
  6389. break;
  6390. case TYPE_IVEC3:
  6391. member_type = TYPE_INT;
  6392. break;
  6393. case TYPE_UVEC3:
  6394. member_type = TYPE_UINT;
  6395. break;
  6396. case TYPE_MAT3:
  6397. member_type = TYPE_VEC3;
  6398. break;
  6399. default:
  6400. break;
  6401. }
  6402. break;
  6403. case TYPE_BVEC4:
  6404. case TYPE_VEC4:
  6405. case TYPE_IVEC4:
  6406. case TYPE_UVEC4:
  6407. case TYPE_MAT4:
  6408. if (index->type == Node::NODE_TYPE_CONSTANT) {
  6409. uint32_t index_constant = static_cast<ConstantNode *>(index)->values[0].uint;
  6410. if (index_constant >= 4) {
  6411. _set_error(vformat(RTR("Index [%d] out of range [%d..%d]."), index_constant, 0, 3));
  6412. return nullptr;
  6413. }
  6414. }
  6415. switch (expr->get_datatype()) {
  6416. case TYPE_BVEC4:
  6417. member_type = TYPE_BOOL;
  6418. break;
  6419. case TYPE_VEC4:
  6420. member_type = TYPE_FLOAT;
  6421. break;
  6422. case TYPE_IVEC4:
  6423. member_type = TYPE_INT;
  6424. break;
  6425. case TYPE_UVEC4:
  6426. member_type = TYPE_UINT;
  6427. break;
  6428. case TYPE_MAT4:
  6429. member_type = TYPE_VEC4;
  6430. break;
  6431. default:
  6432. break;
  6433. }
  6434. break;
  6435. default: {
  6436. _set_error(vformat(RTR("An object of type '%s' can't be indexed."), (expr->get_datatype() == TYPE_STRUCT ? expr->get_datatype_name() : get_datatype_name(expr->get_datatype()))));
  6437. return nullptr;
  6438. }
  6439. }
  6440. }
  6441. OperatorNode *op = alloc_node<OperatorNode>();
  6442. op->op = OP_INDEX;
  6443. op->return_cache = member_type;
  6444. op->struct_name = member_struct_name;
  6445. op->arguments.push_back(expr);
  6446. op->arguments.push_back(index);
  6447. expr = op;
  6448. tk = _get_token();
  6449. if (tk.type != TK_BRACKET_CLOSE) {
  6450. _set_expected_error("]");
  6451. return nullptr;
  6452. }
  6453. } else if (tk.type == TK_OP_INCREMENT || tk.type == TK_OP_DECREMENT) {
  6454. OperatorNode *op = alloc_node<OperatorNode>();
  6455. op->op = tk.type == TK_OP_DECREMENT ? OP_POST_DECREMENT : OP_POST_INCREMENT;
  6456. op->arguments.push_back(expr);
  6457. if (!_validate_operator(p_block, op, &op->return_cache, &op->return_array_size)) {
  6458. _set_error(RTR("Invalid base type for increment/decrement operator."));
  6459. return nullptr;
  6460. }
  6461. if (!_validate_assign(expr, p_function_info)) {
  6462. _set_error(RTR("Invalid use of increment/decrement operator in a constant expression."));
  6463. return nullptr;
  6464. }
  6465. expr = op;
  6466. } else {
  6467. _set_tkpos(pos2);
  6468. break;
  6469. }
  6470. }
  6471. Expression e;
  6472. e.is_op = false;
  6473. e.node = expr;
  6474. expression.push_back(e);
  6475. pos = _get_tkpos();
  6476. tk = _get_token();
  6477. if (p_previous_expression_info != nullptr && tk.type == p_previous_expression_info->tt_break && !p_previous_expression_info->is_last_expr) {
  6478. break;
  6479. }
  6480. if (is_token_operator(tk.type)) {
  6481. Expression o;
  6482. o.is_op = true;
  6483. switch (tk.type) {
  6484. case TK_OP_EQUAL:
  6485. o.op = OP_EQUAL;
  6486. break;
  6487. case TK_OP_NOT_EQUAL:
  6488. o.op = OP_NOT_EQUAL;
  6489. break;
  6490. case TK_OP_LESS:
  6491. o.op = OP_LESS;
  6492. break;
  6493. case TK_OP_LESS_EQUAL:
  6494. o.op = OP_LESS_EQUAL;
  6495. break;
  6496. case TK_OP_GREATER:
  6497. o.op = OP_GREATER;
  6498. break;
  6499. case TK_OP_GREATER_EQUAL:
  6500. o.op = OP_GREATER_EQUAL;
  6501. break;
  6502. case TK_OP_AND:
  6503. o.op = OP_AND;
  6504. break;
  6505. case TK_OP_OR:
  6506. o.op = OP_OR;
  6507. break;
  6508. case TK_OP_ADD:
  6509. o.op = OP_ADD;
  6510. break;
  6511. case TK_OP_SUB:
  6512. o.op = OP_SUB;
  6513. break;
  6514. case TK_OP_MUL:
  6515. o.op = OP_MUL;
  6516. break;
  6517. case TK_OP_DIV:
  6518. o.op = OP_DIV;
  6519. break;
  6520. case TK_OP_MOD:
  6521. o.op = OP_MOD;
  6522. break;
  6523. case TK_OP_SHIFT_LEFT:
  6524. o.op = OP_SHIFT_LEFT;
  6525. break;
  6526. case TK_OP_SHIFT_RIGHT:
  6527. o.op = OP_SHIFT_RIGHT;
  6528. break;
  6529. case TK_OP_ASSIGN:
  6530. o.op = OP_ASSIGN;
  6531. break;
  6532. case TK_OP_ASSIGN_ADD:
  6533. o.op = OP_ASSIGN_ADD;
  6534. break;
  6535. case TK_OP_ASSIGN_SUB:
  6536. o.op = OP_ASSIGN_SUB;
  6537. break;
  6538. case TK_OP_ASSIGN_MUL:
  6539. o.op = OP_ASSIGN_MUL;
  6540. break;
  6541. case TK_OP_ASSIGN_DIV:
  6542. o.op = OP_ASSIGN_DIV;
  6543. break;
  6544. case TK_OP_ASSIGN_MOD:
  6545. o.op = OP_ASSIGN_MOD;
  6546. break;
  6547. case TK_OP_ASSIGN_SHIFT_LEFT:
  6548. o.op = OP_ASSIGN_SHIFT_LEFT;
  6549. break;
  6550. case TK_OP_ASSIGN_SHIFT_RIGHT:
  6551. o.op = OP_ASSIGN_SHIFT_RIGHT;
  6552. break;
  6553. case TK_OP_ASSIGN_BIT_AND:
  6554. o.op = OP_ASSIGN_BIT_AND;
  6555. break;
  6556. case TK_OP_ASSIGN_BIT_OR:
  6557. o.op = OP_ASSIGN_BIT_OR;
  6558. break;
  6559. case TK_OP_ASSIGN_BIT_XOR:
  6560. o.op = OP_ASSIGN_BIT_XOR;
  6561. break;
  6562. case TK_OP_BIT_AND:
  6563. o.op = OP_BIT_AND;
  6564. break;
  6565. case TK_OP_BIT_OR:
  6566. o.op = OP_BIT_OR;
  6567. break;
  6568. case TK_OP_BIT_XOR:
  6569. o.op = OP_BIT_XOR;
  6570. break;
  6571. case TK_QUESTION:
  6572. o.op = OP_SELECT_IF;
  6573. break;
  6574. case TK_COLON:
  6575. o.op = OP_SELECT_ELSE;
  6576. break;
  6577. default: {
  6578. _set_error(vformat(RTR("Invalid token for the operator: '%s'."), get_token_text(tk)));
  6579. return nullptr;
  6580. }
  6581. }
  6582. expression.push_back(o);
  6583. if (o.op == OP_SELECT_IF) {
  6584. ExpressionInfo info;
  6585. info.expression = &expression;
  6586. info.tt_break = TK_COLON;
  6587. expr = _parse_and_reduce_expression(p_block, p_function_info, &info);
  6588. if (!expr) {
  6589. return nullptr;
  6590. }
  6591. expression.push_back({ true, { OP_SELECT_ELSE } });
  6592. if (p_previous_expression_info != nullptr) {
  6593. info.is_last_expr = p_previous_expression_info->is_last_expr;
  6594. } else {
  6595. info.is_last_expr = true;
  6596. }
  6597. expr = _parse_and_reduce_expression(p_block, p_function_info, &info);
  6598. if (!expr) {
  6599. return nullptr;
  6600. }
  6601. break;
  6602. }
  6603. } else {
  6604. _set_tkpos(pos); //something else, so rollback and end
  6605. break;
  6606. }
  6607. }
  6608. /* Reduce the set set of expressions and place them in an operator tree, respecting precedence */
  6609. while (expression.size() > 1) {
  6610. int next_op = -1;
  6611. int min_priority = 0xFFFFF;
  6612. bool is_unary = false;
  6613. bool is_ternary = false;
  6614. for (int i = 0; i < expression.size(); i++) {
  6615. if (!expression[i].is_op) {
  6616. continue;
  6617. }
  6618. bool unary = false;
  6619. bool ternary = false;
  6620. Operator op = expression[i].op;
  6621. int priority;
  6622. switch (op) {
  6623. case OP_EQUAL:
  6624. priority = 8;
  6625. break;
  6626. case OP_NOT_EQUAL:
  6627. priority = 8;
  6628. break;
  6629. case OP_LESS:
  6630. priority = 7;
  6631. break;
  6632. case OP_LESS_EQUAL:
  6633. priority = 7;
  6634. break;
  6635. case OP_GREATER:
  6636. priority = 7;
  6637. break;
  6638. case OP_GREATER_EQUAL:
  6639. priority = 7;
  6640. break;
  6641. case OP_AND:
  6642. priority = 12;
  6643. break;
  6644. case OP_OR:
  6645. priority = 14;
  6646. break;
  6647. case OP_NOT:
  6648. priority = 3;
  6649. unary = true;
  6650. break;
  6651. case OP_NEGATE:
  6652. priority = 3;
  6653. unary = true;
  6654. break;
  6655. case OP_ADD:
  6656. priority = 5;
  6657. break;
  6658. case OP_SUB:
  6659. priority = 5;
  6660. break;
  6661. case OP_MUL:
  6662. priority = 4;
  6663. break;
  6664. case OP_DIV:
  6665. priority = 4;
  6666. break;
  6667. case OP_MOD:
  6668. priority = 4;
  6669. break;
  6670. case OP_SHIFT_LEFT:
  6671. priority = 6;
  6672. break;
  6673. case OP_SHIFT_RIGHT:
  6674. priority = 6;
  6675. break;
  6676. case OP_ASSIGN:
  6677. priority = 16;
  6678. break;
  6679. case OP_ASSIGN_ADD:
  6680. priority = 16;
  6681. break;
  6682. case OP_ASSIGN_SUB:
  6683. priority = 16;
  6684. break;
  6685. case OP_ASSIGN_MUL:
  6686. priority = 16;
  6687. break;
  6688. case OP_ASSIGN_DIV:
  6689. priority = 16;
  6690. break;
  6691. case OP_ASSIGN_MOD:
  6692. priority = 16;
  6693. break;
  6694. case OP_ASSIGN_SHIFT_LEFT:
  6695. priority = 16;
  6696. break;
  6697. case OP_ASSIGN_SHIFT_RIGHT:
  6698. priority = 16;
  6699. break;
  6700. case OP_ASSIGN_BIT_AND:
  6701. priority = 16;
  6702. break;
  6703. case OP_ASSIGN_BIT_OR:
  6704. priority = 16;
  6705. break;
  6706. case OP_ASSIGN_BIT_XOR:
  6707. priority = 16;
  6708. break;
  6709. case OP_BIT_AND:
  6710. priority = 9;
  6711. break;
  6712. case OP_BIT_OR:
  6713. priority = 11;
  6714. break;
  6715. case OP_BIT_XOR:
  6716. priority = 10;
  6717. break;
  6718. case OP_BIT_INVERT:
  6719. priority = 3;
  6720. unary = true;
  6721. break;
  6722. case OP_INCREMENT:
  6723. priority = 3;
  6724. unary = true;
  6725. break;
  6726. case OP_DECREMENT:
  6727. priority = 3;
  6728. unary = true;
  6729. break;
  6730. case OP_SELECT_IF:
  6731. priority = 15;
  6732. ternary = true;
  6733. break;
  6734. case OP_SELECT_ELSE:
  6735. priority = 15;
  6736. ternary = true;
  6737. break;
  6738. default:
  6739. ERR_FAIL_V(nullptr); //unexpected operator
  6740. }
  6741. #ifdef DEBUG_ENABLED
  6742. if (check_warnings && HAS_WARNING(ShaderWarning::FLOAT_COMPARISON_FLAG) && (op == OP_EQUAL || op == OP_NOT_EQUAL) &&
  6743. (!expression[i - 1].is_op && !expression[i + 1].is_op) &&
  6744. (expression[i - 1].node->get_datatype() == TYPE_FLOAT && expression[i + 1].node->get_datatype() == TYPE_FLOAT)) {
  6745. _add_line_warning(ShaderWarning::FLOAT_COMPARISON);
  6746. }
  6747. #endif // DEBUG_ENABLED
  6748. if (priority < min_priority) {
  6749. // < is used for left to right (default)
  6750. // <= is used for right to left
  6751. next_op = i;
  6752. min_priority = priority;
  6753. is_unary = unary;
  6754. is_ternary = ternary;
  6755. }
  6756. }
  6757. ERR_FAIL_COND_V(next_op == -1, nullptr);
  6758. // OK! create operator..
  6759. if (is_unary) {
  6760. int expr_pos = next_op;
  6761. while (expression[expr_pos].is_op) {
  6762. expr_pos++;
  6763. if (expr_pos == expression.size()) {
  6764. //can happen..
  6765. _set_error(RTR("Unexpected end of expression."));
  6766. return nullptr;
  6767. }
  6768. }
  6769. //consecutively do unary operators
  6770. for (int i = expr_pos - 1; i >= next_op; i--) {
  6771. OperatorNode *op = alloc_node<OperatorNode>();
  6772. op->op = expression[i].op;
  6773. if ((op->op == OP_INCREMENT || op->op == OP_DECREMENT) && !_validate_assign(expression[i + 1].node, p_function_info)) {
  6774. _set_error(RTR("Invalid use of increment/decrement operator in a constant expression."));
  6775. return nullptr;
  6776. }
  6777. op->arguments.push_back(expression[i + 1].node);
  6778. expression.write[i].is_op = false;
  6779. expression.write[i].node = op;
  6780. if (!_validate_operator(p_block, op, &op->return_cache, &op->return_array_size)) {
  6781. if (error_set) {
  6782. return nullptr;
  6783. }
  6784. String at;
  6785. for (int j = 0; j < op->arguments.size(); j++) {
  6786. if (j > 0) {
  6787. at += ", ";
  6788. }
  6789. at += get_datatype_name(op->arguments[j]->get_datatype());
  6790. if (!op->arguments[j]->is_indexed() && op->arguments[j]->get_array_size() > 0) {
  6791. at += "[";
  6792. at += itos(op->arguments[j]->get_array_size());
  6793. at += "]";
  6794. }
  6795. }
  6796. _set_error(vformat(RTR("Invalid arguments to unary operator '%s': %s."), get_operator_text(op->op), at));
  6797. return nullptr;
  6798. }
  6799. expression.remove_at(i + 1);
  6800. }
  6801. } else if (is_ternary) {
  6802. if (next_op < 1 || next_op >= (expression.size() - 1)) {
  6803. _set_parsing_error();
  6804. ERR_FAIL_V(nullptr);
  6805. }
  6806. if (next_op + 2 >= expression.size() || !expression[next_op + 2].is_op || expression[next_op + 2].op != OP_SELECT_ELSE) {
  6807. _set_error(RTR("Missing matching ':' for select operator."));
  6808. return nullptr;
  6809. }
  6810. OperatorNode *op = alloc_node<OperatorNode>();
  6811. op->op = expression[next_op].op;
  6812. op->arguments.push_back(expression[next_op - 1].node);
  6813. op->arguments.push_back(expression[next_op + 1].node);
  6814. op->arguments.push_back(expression[next_op + 3].node);
  6815. expression.write[next_op - 1].is_op = false;
  6816. expression.write[next_op - 1].node = op;
  6817. if (!_validate_operator(p_block, op, &op->return_cache, &op->return_array_size)) {
  6818. if (error_set) {
  6819. return nullptr;
  6820. }
  6821. String at;
  6822. for (int i = 0; i < op->arguments.size(); i++) {
  6823. if (i > 0) {
  6824. at += ", ";
  6825. }
  6826. at += get_datatype_name(op->arguments[i]->get_datatype());
  6827. if (!op->arguments[i]->is_indexed() && op->arguments[i]->get_array_size() > 0) {
  6828. at += "[";
  6829. at += itos(op->arguments[i]->get_array_size());
  6830. at += "]";
  6831. }
  6832. }
  6833. _set_error(vformat(RTR("Invalid argument to ternary operator: '%s'."), at));
  6834. return nullptr;
  6835. }
  6836. for (int i = 0; i < 4; i++) {
  6837. expression.remove_at(next_op);
  6838. }
  6839. } else {
  6840. if (next_op < 1 || next_op >= (expression.size() - 1)) {
  6841. _set_parsing_error();
  6842. ERR_FAIL_V(nullptr);
  6843. }
  6844. OperatorNode *op = alloc_node<OperatorNode>();
  6845. op->op = expression[next_op].op;
  6846. if (expression[next_op - 1].is_op) {
  6847. _set_parsing_error();
  6848. ERR_FAIL_V(nullptr);
  6849. }
  6850. if (_is_operator_assign(op->op)) {
  6851. if (p_block && expression[next_op - 1].node->type == Node::NODE_TYPE_VARIABLE) {
  6852. VariableNode *vn = static_cast<VariableNode *>(expression[next_op - 1].node);
  6853. p_block->use_op_eval = vn->is_const;
  6854. }
  6855. String assign_message;
  6856. if (!_validate_assign(expression[next_op - 1].node, p_function_info, &assign_message)) {
  6857. _set_error(assign_message);
  6858. return nullptr;
  6859. }
  6860. }
  6861. if (expression[next_op + 1].is_op) {
  6862. // this is not invalid and can really appear
  6863. // but it becomes invalid anyway because no binary op
  6864. // can be followed by a unary op in a valid combination,
  6865. // due to how precedence works, unaries will always disappear first
  6866. _set_parsing_error();
  6867. }
  6868. op->arguments.push_back(expression[next_op - 1].node); //expression goes as left
  6869. op->arguments.push_back(expression[next_op + 1].node); //next expression goes as right
  6870. expression.write[next_op - 1].node = op;
  6871. //replace all 3 nodes by this operator and make it an expression
  6872. if (!_validate_operator(p_block, op, &op->return_cache, &op->return_array_size)) {
  6873. if (error_set) {
  6874. return nullptr;
  6875. }
  6876. String at;
  6877. for (int i = 0; i < op->arguments.size(); i++) {
  6878. if (i > 0) {
  6879. at += ", ";
  6880. }
  6881. if (op->arguments[i]->get_datatype() == TYPE_STRUCT) {
  6882. at += op->arguments[i]->get_datatype_name();
  6883. } else {
  6884. at += get_datatype_name(op->arguments[i]->get_datatype());
  6885. }
  6886. if (!op->arguments[i]->is_indexed() && op->arguments[i]->get_array_size() > 0) {
  6887. at += "[";
  6888. at += itos(op->arguments[i]->get_array_size());
  6889. at += "]";
  6890. }
  6891. }
  6892. _set_error(vformat(RTR("Invalid arguments to operator '%s': '%s'."), get_operator_text(op->op), at));
  6893. return nullptr;
  6894. }
  6895. expression.remove_at(next_op);
  6896. expression.remove_at(next_op);
  6897. }
  6898. }
  6899. if (p_block) {
  6900. p_block->use_op_eval = true;
  6901. }
  6902. if (p_previous_expression_info != nullptr) {
  6903. p_previous_expression_info->expression->push_back(expression[0]);
  6904. }
  6905. return expression[0].node;
  6906. }
  6907. ShaderLanguage::Node *ShaderLanguage::_reduce_expression(BlockNode *p_block, ShaderLanguage::Node *p_node) {
  6908. if (p_node->type != Node::NODE_TYPE_OPERATOR) {
  6909. return p_node;
  6910. }
  6911. //for now only reduce simple constructors
  6912. OperatorNode *op = static_cast<OperatorNode *>(p_node);
  6913. if (op->op == OP_CONSTRUCT) {
  6914. ERR_FAIL_COND_V(op->arguments[0]->type != Node::NODE_TYPE_VARIABLE, p_node);
  6915. DataType type = op->get_datatype();
  6916. DataType base = get_scalar_type(type);
  6917. int cardinality = get_cardinality(type);
  6918. Vector<Scalar> values;
  6919. for (int i = 1; i < op->arguments.size(); i++) {
  6920. op->arguments.write[i] = _reduce_expression(p_block, op->arguments[i]);
  6921. if (op->arguments[i]->type == Node::NODE_TYPE_CONSTANT) {
  6922. ConstantNode *cn = static_cast<ConstantNode *>(op->arguments[i]);
  6923. if (get_scalar_type(cn->datatype) == base) {
  6924. for (int j = 0; j < cn->values.size(); j++) {
  6925. values.push_back(cn->values[j]);
  6926. }
  6927. } else if (get_scalar_type(cn->datatype) == cn->datatype) {
  6928. Scalar v;
  6929. if (!convert_constant(cn, base, &v)) {
  6930. return p_node;
  6931. }
  6932. values.push_back(v);
  6933. } else {
  6934. return p_node;
  6935. }
  6936. } else {
  6937. return p_node;
  6938. }
  6939. }
  6940. if (values.size() == 1) {
  6941. if (type >= TYPE_MAT2 && type <= TYPE_MAT4) {
  6942. Scalar value = values[0];
  6943. Scalar zero;
  6944. zero.real = 0.0f;
  6945. int size = 2 + (type - TYPE_MAT2);
  6946. values.clear();
  6947. for (int i = 0; i < size; i++) {
  6948. for (int j = 0; j < size; j++) {
  6949. values.push_back(i == j ? value : zero);
  6950. }
  6951. }
  6952. } else {
  6953. Scalar value = values[0];
  6954. for (int i = 1; i < cardinality; i++) {
  6955. values.push_back(value);
  6956. }
  6957. }
  6958. } else if (values.size() != cardinality) {
  6959. ERR_PRINT("Failed to reduce expression, values and cardinality mismatch.");
  6960. return p_node;
  6961. }
  6962. ConstantNode *cn = alloc_node<ConstantNode>();
  6963. cn->datatype = op->get_datatype();
  6964. cn->values = values;
  6965. return cn;
  6966. } else if (op->op == OP_NEGATE) {
  6967. op->arguments.write[0] = _reduce_expression(p_block, op->arguments[0]);
  6968. if (op->arguments[0]->type == Node::NODE_TYPE_CONSTANT) {
  6969. ConstantNode *cn = static_cast<ConstantNode *>(op->arguments[0]);
  6970. DataType base = get_scalar_type(cn->datatype);
  6971. Vector<Scalar> values;
  6972. for (int i = 0; i < cn->values.size(); i++) {
  6973. Scalar nv;
  6974. switch (base) {
  6975. case TYPE_BOOL: {
  6976. nv.boolean = !cn->values[i].boolean;
  6977. } break;
  6978. case TYPE_INT: {
  6979. nv.sint = -cn->values[i].sint;
  6980. } break;
  6981. case TYPE_UINT: {
  6982. // Intentionally wrap the unsigned int value, because GLSL does.
  6983. nv.uint = 0 - cn->values[i].uint;
  6984. } break;
  6985. case TYPE_FLOAT: {
  6986. nv.real = -cn->values[i].real;
  6987. } break;
  6988. default: {
  6989. }
  6990. }
  6991. values.push_back(nv);
  6992. }
  6993. cn->values = values;
  6994. return cn;
  6995. }
  6996. }
  6997. return p_node;
  6998. }
  6999. ShaderLanguage::Node *ShaderLanguage::_parse_and_reduce_expression(BlockNode *p_block, const FunctionInfo &p_function_info, const ExpressionInfo *p_previous_expression_info) {
  7000. ShaderLanguage::Node *expr = _parse_expression(p_block, p_function_info, p_previous_expression_info);
  7001. if (!expr) { //errored
  7002. return nullptr;
  7003. }
  7004. expr = _reduce_expression(p_block, expr);
  7005. return expr;
  7006. }
  7007. Error ShaderLanguage::_parse_block(BlockNode *p_block, const FunctionInfo &p_function_info, bool p_just_one, bool p_can_break, bool p_can_continue) {
  7008. while (true) {
  7009. TkPos pos = _get_tkpos();
  7010. Token tk = _get_token();
  7011. #ifdef DEBUG_ENABLED
  7012. Token next;
  7013. #endif // DEBUG_ENABLED
  7014. if (p_block && p_block->block_type == BlockNode::BLOCK_TYPE_SWITCH) {
  7015. if (tk.type != TK_CF_CASE && tk.type != TK_CF_DEFAULT && tk.type != TK_CURLY_BRACKET_CLOSE) {
  7016. _set_error(vformat(RTR("A switch may only contain '%s' and '%s' blocks."), "case", "default"));
  7017. return ERR_PARSE_ERROR;
  7018. }
  7019. }
  7020. bool is_struct = shader->structs.has(tk.text);
  7021. bool is_var_init = false;
  7022. bool is_condition = false;
  7023. if (tk.type == TK_CURLY_BRACKET_CLOSE) { //end of block
  7024. if (p_just_one) {
  7025. _set_expected_error("}");
  7026. return ERR_PARSE_ERROR;
  7027. }
  7028. return OK;
  7029. } else if (tk.type == TK_CONST || is_token_precision(tk.type) || is_token_nonvoid_datatype(tk.type) || is_struct) {
  7030. is_var_init = true;
  7031. String struct_name = "";
  7032. if (is_struct) {
  7033. struct_name = tk.text;
  7034. #ifdef DEBUG_ENABLED
  7035. if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_STRUCT_FLAG) && used_structs.has(struct_name)) {
  7036. used_structs[struct_name].used = true;
  7037. }
  7038. #endif // DEBUG_ENABLED
  7039. }
  7040. #ifdef DEBUG_ENABLED
  7041. uint32_t precision_flag = CF_PRECISION_MODIFIER;
  7042. keyword_completion_context = CF_DATATYPE;
  7043. if (!is_token_precision(tk.type)) {
  7044. if (!is_struct) {
  7045. keyword_completion_context |= precision_flag;
  7046. }
  7047. }
  7048. #endif // DEBUG_ENABLED
  7049. bool is_const = false;
  7050. if (tk.type == TK_CONST) {
  7051. is_const = true;
  7052. tk = _get_token();
  7053. if (!is_struct) {
  7054. is_struct = shader->structs.has(tk.text); // check again.
  7055. struct_name = tk.text;
  7056. }
  7057. }
  7058. DataPrecision precision = PRECISION_DEFAULT;
  7059. if (is_token_precision(tk.type)) {
  7060. precision = get_token_precision(tk.type);
  7061. tk = _get_token();
  7062. if (!is_struct) {
  7063. is_struct = shader->structs.has(tk.text); // check again.
  7064. }
  7065. #ifdef DEBUG_ENABLED
  7066. if (keyword_completion_context & precision_flag) {
  7067. keyword_completion_context ^= precision_flag;
  7068. }
  7069. #endif // DEBUG_ENABLED
  7070. }
  7071. #ifdef DEBUG_ENABLED
  7072. if (is_const && _lookup_next(next)) {
  7073. if (is_token_precision(next.type)) {
  7074. keyword_completion_context = CF_UNSPECIFIED;
  7075. }
  7076. if (is_token_datatype(next.type)) {
  7077. keyword_completion_context ^= CF_DATATYPE;
  7078. }
  7079. }
  7080. #endif // DEBUG_ENABLED
  7081. if (precision != PRECISION_DEFAULT) {
  7082. if (!is_token_nonvoid_datatype(tk.type)) {
  7083. _set_error(RTR("Expected variable type after precision modifier."));
  7084. return ERR_PARSE_ERROR;
  7085. }
  7086. }
  7087. if (!is_struct) {
  7088. if (!is_token_variable_datatype(tk.type)) {
  7089. _set_error(RTR("Invalid variable type (samplers are not allowed)."));
  7090. return ERR_PARSE_ERROR;
  7091. }
  7092. }
  7093. DataType type = is_struct ? TYPE_STRUCT : get_token_datatype(tk.type);
  7094. if (precision != PRECISION_DEFAULT && _validate_precision(type, precision) != OK) {
  7095. return ERR_PARSE_ERROR;
  7096. }
  7097. #ifdef DEBUG_ENABLED
  7098. keyword_completion_context = CF_UNSPECIFIED;
  7099. #endif // DEBUG_ENABLED
  7100. int array_size = 0;
  7101. bool fixed_array_size = false;
  7102. bool first = true;
  7103. VariableDeclarationNode *vdnode = alloc_node<VariableDeclarationNode>();
  7104. vdnode->precision = precision;
  7105. if (is_struct) {
  7106. vdnode->struct_name = struct_name;
  7107. vdnode->datatype = TYPE_STRUCT;
  7108. } else {
  7109. vdnode->datatype = type;
  7110. };
  7111. vdnode->is_const = is_const;
  7112. do {
  7113. bool unknown_size = false;
  7114. VariableDeclarationNode::Declaration decl;
  7115. tk = _get_token();
  7116. if (first) {
  7117. first = false;
  7118. if (tk.type != TK_IDENTIFIER && tk.type != TK_BRACKET_OPEN) {
  7119. _set_error(RTR("Expected an identifier or '[' after type."));
  7120. return ERR_PARSE_ERROR;
  7121. }
  7122. if (tk.type == TK_BRACKET_OPEN) {
  7123. Error error = _parse_array_size(p_block, p_function_info, false, &decl.size_expression, &array_size, &unknown_size);
  7124. if (error != OK) {
  7125. return error;
  7126. }
  7127. decl.size = array_size;
  7128. fixed_array_size = true;
  7129. tk = _get_token();
  7130. }
  7131. }
  7132. if (tk.type != TK_IDENTIFIER) {
  7133. _set_error(RTR("Expected an identifier."));
  7134. return ERR_PARSE_ERROR;
  7135. }
  7136. StringName name = tk.text;
  7137. ShaderLanguage::IdentifierType itype;
  7138. if (_find_identifier(p_block, true, p_function_info, name, (ShaderLanguage::DataType *)nullptr, &itype)) {
  7139. if (itype != IDENTIFIER_FUNCTION) {
  7140. _set_redefinition_error(String(name));
  7141. return ERR_PARSE_ERROR;
  7142. }
  7143. }
  7144. decl.name = name;
  7145. #ifdef DEBUG_ENABLED
  7146. if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_LOCAL_VARIABLE_FLAG) && p_block) {
  7147. FunctionNode *parent_function = nullptr;
  7148. {
  7149. BlockNode *block = p_block;
  7150. while (block && !block->parent_function) {
  7151. block = block->parent_block;
  7152. }
  7153. parent_function = block->parent_function;
  7154. }
  7155. if (parent_function) {
  7156. StringName func_name = parent_function->name;
  7157. if (!used_local_vars.has(func_name)) {
  7158. used_local_vars.insert(func_name, HashMap<StringName, Usage>());
  7159. }
  7160. used_local_vars[func_name].insert(name, Usage(tk_line));
  7161. }
  7162. }
  7163. #endif // DEBUG_ENABLED
  7164. is_const_decl = is_const;
  7165. BlockNode::Variable var;
  7166. var.type = type;
  7167. var.precision = precision;
  7168. var.line = tk_line;
  7169. var.array_size = array_size;
  7170. var.is_const = is_const;
  7171. var.struct_name = struct_name;
  7172. tk = _get_token();
  7173. if (tk.type == TK_BRACKET_OPEN) {
  7174. Error error = _parse_array_size(p_block, p_function_info, false, &decl.size_expression, &var.array_size, &unknown_size);
  7175. if (error != OK) {
  7176. return error;
  7177. }
  7178. decl.size = var.array_size;
  7179. array_size = var.array_size;
  7180. tk = _get_token();
  7181. }
  7182. #ifdef DEBUG_ENABLED
  7183. if (var.type == DataType::TYPE_BOOL) {
  7184. keyword_completion_context = CF_BOOLEAN;
  7185. }
  7186. #endif // DEBUG_ENABLED
  7187. if (var.array_size > 0 || unknown_size) {
  7188. bool full_def = false;
  7189. if (tk.type == TK_OP_ASSIGN) {
  7190. TkPos prev_pos = _get_tkpos();
  7191. tk = _get_token();
  7192. if (tk.type == TK_IDENTIFIER) { // a function call array initialization
  7193. _set_tkpos(prev_pos);
  7194. Node *n = _parse_and_reduce_expression(p_block, p_function_info);
  7195. if (!n) {
  7196. _set_error(RTR("Expected array initializer."));
  7197. return ERR_PARSE_ERROR;
  7198. } else {
  7199. if (unknown_size) {
  7200. decl.size = n->get_array_size();
  7201. var.array_size = n->get_array_size();
  7202. }
  7203. if (!_compare_datatypes(var.type, var.struct_name, var.array_size, n->get_datatype(), n->get_datatype_name(), n->get_array_size())) {
  7204. return ERR_PARSE_ERROR;
  7205. }
  7206. decl.single_expression = true;
  7207. decl.initializer.push_back(n);
  7208. }
  7209. tk = _get_token();
  7210. } else {
  7211. if (tk.type != TK_CURLY_BRACKET_OPEN) {
  7212. if (unknown_size) {
  7213. _set_expected_error("{");
  7214. return ERR_PARSE_ERROR;
  7215. }
  7216. full_def = true;
  7217. DataPrecision precision2 = PRECISION_DEFAULT;
  7218. if (is_token_precision(tk.type)) {
  7219. precision2 = get_token_precision(tk.type);
  7220. tk = _get_token();
  7221. if (!is_token_nonvoid_datatype(tk.type)) {
  7222. _set_error(RTR("Expected data type after precision modifier."));
  7223. return ERR_PARSE_ERROR;
  7224. }
  7225. }
  7226. DataType type2;
  7227. StringName struct_name2 = "";
  7228. if (shader->structs.has(tk.text)) {
  7229. type2 = TYPE_STRUCT;
  7230. struct_name2 = tk.text;
  7231. } else {
  7232. if (!is_token_variable_datatype(tk.type)) {
  7233. _set_error(RTR("Invalid data type for the array."));
  7234. return ERR_PARSE_ERROR;
  7235. }
  7236. type2 = get_token_datatype(tk.type);
  7237. }
  7238. if (precision2 != PRECISION_DEFAULT && _validate_precision(type2, precision2) != OK) {
  7239. return ERR_PARSE_ERROR;
  7240. }
  7241. int array_size2 = 0;
  7242. tk = _get_token();
  7243. if (tk.type == TK_BRACKET_OPEN) {
  7244. bool is_unknown_size = false;
  7245. Error error = _parse_array_size(p_block, p_function_info, false, nullptr, &array_size2, &is_unknown_size);
  7246. if (error != OK) {
  7247. return error;
  7248. }
  7249. if (is_unknown_size) {
  7250. array_size2 = var.array_size;
  7251. }
  7252. tk = _get_token();
  7253. } else {
  7254. _set_expected_error("[");
  7255. return ERR_PARSE_ERROR;
  7256. }
  7257. if (precision != precision2 || type != type2 || struct_name != struct_name2 || var.array_size != array_size2) {
  7258. String from;
  7259. if (precision2 != PRECISION_DEFAULT) {
  7260. from += get_precision_name(precision2);
  7261. from += " ";
  7262. }
  7263. if (type2 == TYPE_STRUCT) {
  7264. from += struct_name2;
  7265. } else {
  7266. from += get_datatype_name(type2);
  7267. }
  7268. from += "[";
  7269. from += itos(array_size2);
  7270. from += "]'";
  7271. String to;
  7272. if (precision != PRECISION_DEFAULT) {
  7273. to += get_precision_name(precision);
  7274. to += " ";
  7275. }
  7276. if (type == TYPE_STRUCT) {
  7277. to += struct_name;
  7278. } else {
  7279. to += get_datatype_name(type);
  7280. }
  7281. to += "[";
  7282. to += itos(var.array_size);
  7283. to += "]'";
  7284. _set_error(vformat(RTR("Cannot convert from '%s' to '%s'."), from, to));
  7285. return ERR_PARSE_ERROR;
  7286. }
  7287. }
  7288. bool curly = tk.type == TK_CURLY_BRACKET_OPEN;
  7289. if (unknown_size) {
  7290. if (!curly) {
  7291. _set_expected_error("{");
  7292. return ERR_PARSE_ERROR;
  7293. }
  7294. } else {
  7295. if (full_def) {
  7296. if (curly) {
  7297. _set_expected_error("(");
  7298. return ERR_PARSE_ERROR;
  7299. }
  7300. }
  7301. }
  7302. if (tk.type == TK_PARENTHESIS_OPEN || curly) { // initialization
  7303. while (true) {
  7304. Node *n = _parse_and_reduce_expression(p_block, p_function_info);
  7305. if (!n) {
  7306. return ERR_PARSE_ERROR;
  7307. }
  7308. if (is_const && n->type == Node::NODE_TYPE_OPERATOR && static_cast<OperatorNode *>(n)->op == OP_CALL) {
  7309. _set_error(RTR("Expected a constant expression."));
  7310. return ERR_PARSE_ERROR;
  7311. }
  7312. if (!_compare_datatypes(var.type, struct_name, 0, n->get_datatype(), n->get_datatype_name(), 0)) {
  7313. return ERR_PARSE_ERROR;
  7314. }
  7315. tk = _get_token();
  7316. if (tk.type == TK_COMMA) {
  7317. decl.initializer.push_back(n);
  7318. continue;
  7319. } else if (!curly && tk.type == TK_PARENTHESIS_CLOSE) {
  7320. decl.initializer.push_back(n);
  7321. break;
  7322. } else if (curly && tk.type == TK_CURLY_BRACKET_CLOSE) {
  7323. decl.initializer.push_back(n);
  7324. break;
  7325. } else {
  7326. if (curly) {
  7327. _set_expected_error("}", ",");
  7328. } else {
  7329. _set_expected_error(")", ",");
  7330. }
  7331. return ERR_PARSE_ERROR;
  7332. }
  7333. }
  7334. if (unknown_size) {
  7335. decl.size = decl.initializer.size();
  7336. var.array_size = decl.initializer.size();
  7337. } else if (decl.initializer.size() != var.array_size) {
  7338. _set_error(vformat(RTR("Array size mismatch. Expected %d elements (found %d)."), var.array_size, decl.initializer.size()));
  7339. return ERR_PARSE_ERROR;
  7340. }
  7341. tk = _get_token();
  7342. } else {
  7343. _set_expected_error("(");
  7344. return ERR_PARSE_ERROR;
  7345. }
  7346. }
  7347. } else {
  7348. if (unknown_size) {
  7349. _set_error(RTR("Expected array initialization."));
  7350. return ERR_PARSE_ERROR;
  7351. }
  7352. if (is_const) {
  7353. _set_error(RTR("Expected initialization of constant."));
  7354. return ERR_PARSE_ERROR;
  7355. }
  7356. }
  7357. array_size = var.array_size;
  7358. } else if (tk.type == TK_OP_ASSIGN) {
  7359. p_block->use_op_eval = is_const;
  7360. // Variable created with assignment! Must parse an expression.
  7361. Node *n = _parse_and_reduce_expression(p_block, p_function_info);
  7362. if (!n) {
  7363. return ERR_PARSE_ERROR;
  7364. }
  7365. if (is_const && n->type == Node::NODE_TYPE_OPERATOR && static_cast<OperatorNode *>(n)->op == OP_CALL) {
  7366. OperatorNode *op = static_cast<OperatorNode *>(n);
  7367. for (int i = 1; i < op->arguments.size(); i++) {
  7368. if (!_check_node_constness(op->arguments[i])) {
  7369. _set_error(vformat(RTR("Expected constant expression for argument %d of function call after '='."), i - 1));
  7370. return ERR_PARSE_ERROR;
  7371. }
  7372. }
  7373. }
  7374. if (is_const) {
  7375. var.values = n->get_values();
  7376. }
  7377. if (!_compare_datatypes(var.type, var.struct_name, var.array_size, n->get_datatype(), n->get_datatype_name(), n->get_array_size())) {
  7378. return ERR_PARSE_ERROR;
  7379. }
  7380. decl.initializer.push_back(n);
  7381. tk = _get_token();
  7382. } else {
  7383. if (is_const) {
  7384. _set_error(RTR("Expected initialization of constant."));
  7385. return ERR_PARSE_ERROR;
  7386. }
  7387. }
  7388. vdnode->declarations.push_back(decl);
  7389. p_block->variables[name] = var;
  7390. is_const_decl = false;
  7391. if (!fixed_array_size) {
  7392. array_size = 0;
  7393. }
  7394. if (tk.type == TK_SEMICOLON) {
  7395. break;
  7396. } else if (tk.type != TK_COMMA) {
  7397. _set_expected_error(",", ";");
  7398. return ERR_PARSE_ERROR;
  7399. }
  7400. } while (tk.type == TK_COMMA); //another variable
  7401. #ifdef DEBUG_ENABLED
  7402. keyword_completion_context = CF_BLOCK;
  7403. #endif // DEBUG_ENABLED
  7404. p_block->statements.push_back(static_cast<Node *>(vdnode));
  7405. } else if (tk.type == TK_CURLY_BRACKET_OPEN) {
  7406. //a sub block, just because..
  7407. BlockNode *block = alloc_node<BlockNode>();
  7408. block->parent_block = p_block;
  7409. if (_parse_block(block, p_function_info, false, p_can_break, p_can_continue) != OK) {
  7410. return ERR_PARSE_ERROR;
  7411. }
  7412. p_block->statements.push_back(block);
  7413. } else if (tk.type == TK_CF_IF) {
  7414. //if () {}
  7415. tk = _get_token();
  7416. if (tk.type != TK_PARENTHESIS_OPEN) {
  7417. _set_expected_after_error("(", "if");
  7418. return ERR_PARSE_ERROR;
  7419. }
  7420. ControlFlowNode *cf = alloc_node<ControlFlowNode>();
  7421. cf->flow_op = FLOW_OP_IF;
  7422. #ifdef DEBUG_ENABLED
  7423. keyword_completion_context = CF_IF_DECL;
  7424. #endif // DEBUG_ENABLED
  7425. Node *n = _parse_and_reduce_expression(p_block, p_function_info);
  7426. if (!n) {
  7427. return ERR_PARSE_ERROR;
  7428. }
  7429. #ifdef DEBUG_ENABLED
  7430. keyword_completion_context = CF_BLOCK;
  7431. #endif // DEBUG_ENABLED
  7432. if (n->get_datatype() != TYPE_BOOL) {
  7433. _set_error(RTR("Expected a boolean expression."));
  7434. return ERR_PARSE_ERROR;
  7435. }
  7436. tk = _get_token();
  7437. if (tk.type != TK_PARENTHESIS_CLOSE) {
  7438. _set_expected_error(")");
  7439. return ERR_PARSE_ERROR;
  7440. }
  7441. BlockNode *block = alloc_node<BlockNode>();
  7442. block->parent_block = p_block;
  7443. cf->expressions.push_back(n);
  7444. cf->blocks.push_back(block);
  7445. p_block->statements.push_back(cf);
  7446. Error err = _parse_block(block, p_function_info, true, p_can_break, p_can_continue);
  7447. if (err) {
  7448. return err;
  7449. }
  7450. pos = _get_tkpos();
  7451. tk = _get_token();
  7452. if (tk.type == TK_CF_ELSE) {
  7453. block = alloc_node<BlockNode>();
  7454. block->parent_block = p_block;
  7455. cf->blocks.push_back(block);
  7456. err = _parse_block(block, p_function_info, true, p_can_break, p_can_continue);
  7457. if (err) {
  7458. return err;
  7459. }
  7460. } else {
  7461. _set_tkpos(pos); //rollback
  7462. }
  7463. } else if (tk.type == TK_CF_SWITCH) {
  7464. // switch() {}
  7465. tk = _get_token();
  7466. if (tk.type != TK_PARENTHESIS_OPEN) {
  7467. _set_expected_after_error("(", "switch");
  7468. return ERR_PARSE_ERROR;
  7469. }
  7470. ControlFlowNode *cf = alloc_node<ControlFlowNode>();
  7471. cf->flow_op = FLOW_OP_SWITCH;
  7472. Node *n = _parse_and_reduce_expression(p_block, p_function_info);
  7473. if (!n) {
  7474. return ERR_PARSE_ERROR;
  7475. }
  7476. const ShaderLanguage::DataType data_type = n->get_datatype();
  7477. if (data_type != TYPE_INT && data_type != TYPE_UINT) {
  7478. _set_error(RTR("Expected an integer or unsigned integer expression."));
  7479. return ERR_PARSE_ERROR;
  7480. }
  7481. tk = _get_token();
  7482. if (tk.type != TK_PARENTHESIS_CLOSE) {
  7483. _set_expected_error(")");
  7484. return ERR_PARSE_ERROR;
  7485. }
  7486. tk = _get_token();
  7487. if (tk.type != TK_CURLY_BRACKET_OPEN) {
  7488. _set_expected_after_error("{", "switch");
  7489. return ERR_PARSE_ERROR;
  7490. }
  7491. BlockNode *switch_block = alloc_node<BlockNode>();
  7492. switch_block->block_type = BlockNode::BLOCK_TYPE_SWITCH;
  7493. switch_block->parent_block = p_block;
  7494. switch_block->expected_type = data_type;
  7495. cf->expressions.push_back(n);
  7496. cf->blocks.push_back(switch_block);
  7497. p_block->statements.push_back(cf);
  7498. pos = _get_tkpos();
  7499. tk = _get_token();
  7500. TokenType prev_type;
  7501. if (tk.type == TK_CF_CASE || tk.type == TK_CF_DEFAULT) {
  7502. prev_type = tk.type;
  7503. _set_tkpos(pos);
  7504. } else {
  7505. _set_expected_error("case", "default");
  7506. return ERR_PARSE_ERROR;
  7507. }
  7508. while (true) { // Go-through multiple cases.
  7509. if (_parse_block(switch_block, p_function_info, true, true, false) != OK) {
  7510. return ERR_PARSE_ERROR;
  7511. }
  7512. pos = _get_tkpos();
  7513. tk = _get_token();
  7514. if (tk.type == TK_CF_CASE || tk.type == TK_CF_DEFAULT) {
  7515. if (prev_type == TK_CF_DEFAULT) {
  7516. if (tk.type == TK_CF_CASE) {
  7517. _set_error(RTR("Cases must be defined before default case."));
  7518. return ERR_PARSE_ERROR;
  7519. } else if (prev_type == TK_CF_DEFAULT) {
  7520. _set_error(RTR("Default case must be defined only once."));
  7521. return ERR_PARSE_ERROR;
  7522. }
  7523. }
  7524. prev_type = tk.type;
  7525. _set_tkpos(pos);
  7526. continue;
  7527. } else {
  7528. break;
  7529. }
  7530. }
  7531. } else if (tk.type == TK_CF_CASE) {
  7532. // case x : break; | return;
  7533. if (p_block && p_block->block_type == BlockNode::BLOCK_TYPE_CASE) {
  7534. _set_tkpos(pos);
  7535. return OK;
  7536. }
  7537. if (!p_block || (p_block->block_type != BlockNode::BLOCK_TYPE_SWITCH)) {
  7538. _set_error(vformat(RTR("'%s' must be placed within a '%s' block."), "case", "switch"));
  7539. return ERR_PARSE_ERROR;
  7540. }
  7541. tk = _get_token();
  7542. int sign = 1;
  7543. if (tk.type == TK_OP_SUB) {
  7544. sign = -1;
  7545. tk = _get_token();
  7546. }
  7547. Node *n = nullptr;
  7548. if (!tk.is_integer_constant()) {
  7549. bool correct_constant_expression = false;
  7550. if (tk.type == TK_IDENTIFIER) {
  7551. DataType data_type;
  7552. bool is_const;
  7553. _find_identifier(p_block, false, p_function_info, tk.text, &data_type, nullptr, &is_const);
  7554. if (is_const && data_type == p_block->expected_type) {
  7555. correct_constant_expression = true;
  7556. }
  7557. }
  7558. if (!correct_constant_expression) {
  7559. if (p_block->expected_type == TYPE_UINT) {
  7560. _set_error(RTR("Expected an unsigned integer constant."));
  7561. } else {
  7562. _set_error(RTR("Expected an integer constant."));
  7563. }
  7564. return ERR_PARSE_ERROR;
  7565. }
  7566. VariableNode *vn = alloc_node<VariableNode>();
  7567. vn->name = tk.text;
  7568. {
  7569. Vector<Scalar> v;
  7570. DataType data_type;
  7571. _find_identifier(p_block, false, p_function_info, vn->name, &data_type, nullptr, nullptr, nullptr, nullptr, &v);
  7572. if (data_type == TYPE_INT) {
  7573. if (p_block->constants.has(v[0].sint)) {
  7574. _set_error(vformat(RTR("Duplicated case label: %d."), v[0].sint));
  7575. return ERR_PARSE_ERROR;
  7576. }
  7577. p_block->constants.insert(v[0].sint);
  7578. } else {
  7579. if (p_block->constants.has(v[0].uint)) {
  7580. _set_error(vformat(RTR("Duplicated case label: %d."), v[0].uint));
  7581. return ERR_PARSE_ERROR;
  7582. }
  7583. p_block->constants.insert(v[0].uint);
  7584. }
  7585. }
  7586. n = vn;
  7587. } else {
  7588. ConstantNode *cn = alloc_node<ConstantNode>();
  7589. Scalar v;
  7590. if (p_block->expected_type == TYPE_UINT) {
  7591. if (tk.type != TK_UINT_CONSTANT) {
  7592. _set_error(RTR("Expected an unsigned integer constant."));
  7593. return ERR_PARSE_ERROR;
  7594. }
  7595. v.uint = (uint32_t)tk.constant;
  7596. if (p_block->constants.has(v.uint)) {
  7597. _set_error(vformat(RTR("Duplicated case label: %d."), v.uint));
  7598. return ERR_PARSE_ERROR;
  7599. }
  7600. p_block->constants.insert(v.uint);
  7601. cn->datatype = TYPE_UINT;
  7602. } else {
  7603. if (tk.type != TK_INT_CONSTANT) {
  7604. _set_error(RTR("Expected an integer constant."));
  7605. return ERR_PARSE_ERROR;
  7606. }
  7607. v.sint = (int32_t)tk.constant * sign;
  7608. if (p_block->constants.has(v.sint)) {
  7609. _set_error(vformat(RTR("Duplicated case label: %d."), v.sint));
  7610. return ERR_PARSE_ERROR;
  7611. }
  7612. p_block->constants.insert(v.sint);
  7613. cn->datatype = TYPE_INT;
  7614. }
  7615. cn->values.push_back(v);
  7616. n = cn;
  7617. }
  7618. tk = _get_token();
  7619. if (tk.type != TK_COLON) {
  7620. _set_expected_error(":");
  7621. return ERR_PARSE_ERROR;
  7622. }
  7623. ControlFlowNode *cf = alloc_node<ControlFlowNode>();
  7624. cf->flow_op = FLOW_OP_CASE;
  7625. BlockNode *case_block = alloc_node<BlockNode>();
  7626. case_block->block_type = BlockNode::BLOCK_TYPE_CASE;
  7627. case_block->parent_block = p_block;
  7628. cf->expressions.push_back(n);
  7629. cf->blocks.push_back(case_block);
  7630. p_block->statements.push_back(cf);
  7631. Error err = _parse_block(case_block, p_function_info, false, true, false);
  7632. if (err) {
  7633. return err;
  7634. }
  7635. return OK;
  7636. } else if (tk.type == TK_CF_DEFAULT) {
  7637. if (p_block && p_block->block_type == BlockNode::BLOCK_TYPE_CASE) {
  7638. _set_tkpos(pos);
  7639. return OK;
  7640. }
  7641. if (!p_block || (p_block->block_type != BlockNode::BLOCK_TYPE_SWITCH)) {
  7642. _set_error(vformat(RTR("'%s' must be placed within a '%s' block."), "default", "switch"));
  7643. return ERR_PARSE_ERROR;
  7644. }
  7645. tk = _get_token();
  7646. if (tk.type != TK_COLON) {
  7647. _set_expected_error(":");
  7648. return ERR_PARSE_ERROR;
  7649. }
  7650. ControlFlowNode *cf = alloc_node<ControlFlowNode>();
  7651. cf->flow_op = FLOW_OP_DEFAULT;
  7652. BlockNode *default_block = alloc_node<BlockNode>();
  7653. default_block->block_type = BlockNode::BLOCK_TYPE_DEFAULT;
  7654. default_block->parent_block = p_block;
  7655. cf->blocks.push_back(default_block);
  7656. p_block->statements.push_back(cf);
  7657. Error err = _parse_block(default_block, p_function_info, false, true, false);
  7658. if (err) {
  7659. return err;
  7660. }
  7661. return OK;
  7662. } else if (tk.type == TK_CF_DO || tk.type == TK_CF_WHILE) {
  7663. // do {} while()
  7664. // while() {}
  7665. bool is_do = tk.type == TK_CF_DO;
  7666. BlockNode *do_block = nullptr;
  7667. if (is_do) {
  7668. do_block = alloc_node<BlockNode>();
  7669. do_block->parent_block = p_block;
  7670. Error err = _parse_block(do_block, p_function_info, true, true, true);
  7671. if (err) {
  7672. return err;
  7673. }
  7674. tk = _get_token();
  7675. if (tk.type != TK_CF_WHILE) {
  7676. _set_expected_after_error("while", "do");
  7677. return ERR_PARSE_ERROR;
  7678. }
  7679. }
  7680. tk = _get_token();
  7681. if (tk.type != TK_PARENTHESIS_OPEN) {
  7682. _set_expected_after_error("(", "while");
  7683. return ERR_PARSE_ERROR;
  7684. }
  7685. ControlFlowNode *cf = alloc_node<ControlFlowNode>();
  7686. if (is_do) {
  7687. cf->flow_op = FLOW_OP_DO;
  7688. } else {
  7689. cf->flow_op = FLOW_OP_WHILE;
  7690. }
  7691. Node *n = _parse_and_reduce_expression(p_block, p_function_info);
  7692. if (!n) {
  7693. return ERR_PARSE_ERROR;
  7694. }
  7695. tk = _get_token();
  7696. if (tk.type != TK_PARENTHESIS_CLOSE) {
  7697. _set_expected_error(")");
  7698. return ERR_PARSE_ERROR;
  7699. }
  7700. if (!is_do) {
  7701. BlockNode *block = alloc_node<BlockNode>();
  7702. block->parent_block = p_block;
  7703. cf->expressions.push_back(n);
  7704. cf->blocks.push_back(block);
  7705. p_block->statements.push_back(cf);
  7706. Error err = _parse_block(block, p_function_info, true, true, true);
  7707. if (err) {
  7708. return err;
  7709. }
  7710. } else {
  7711. cf->expressions.push_back(n);
  7712. cf->blocks.push_back(do_block);
  7713. p_block->statements.push_back(cf);
  7714. tk = _get_token();
  7715. if (tk.type != TK_SEMICOLON) {
  7716. _set_expected_error(";");
  7717. return ERR_PARSE_ERROR;
  7718. }
  7719. }
  7720. } else if (tk.type == TK_CF_FOR) {
  7721. // for() {}
  7722. tk = _get_token();
  7723. if (tk.type != TK_PARENTHESIS_OPEN) {
  7724. _set_expected_after_error("(", "for");
  7725. return ERR_PARSE_ERROR;
  7726. }
  7727. ControlFlowNode *cf = alloc_node<ControlFlowNode>();
  7728. cf->flow_op = FLOW_OP_FOR;
  7729. BlockNode *init_block = alloc_node<BlockNode>();
  7730. init_block->block_type = BlockNode::BLOCK_TYPE_FOR_INIT;
  7731. init_block->parent_block = p_block;
  7732. init_block->single_statement = true;
  7733. cf->blocks.push_back(init_block);
  7734. #ifdef DEBUG_ENABLED
  7735. keyword_completion_context = CF_DATATYPE;
  7736. #endif // DEBUG_ENABLED
  7737. Error err = _parse_block(init_block, p_function_info, true, false, false);
  7738. if (err != OK) {
  7739. return err;
  7740. }
  7741. #ifdef DEBUG_ENABLED
  7742. keyword_completion_context = CF_UNSPECIFIED;
  7743. #endif // DEBUG_ENABLED
  7744. BlockNode *condition_block = alloc_node<BlockNode>();
  7745. condition_block->block_type = BlockNode::BLOCK_TYPE_FOR_CONDITION;
  7746. condition_block->parent_block = init_block;
  7747. condition_block->single_statement = true;
  7748. condition_block->use_comma_between_statements = true;
  7749. cf->blocks.push_back(condition_block);
  7750. err = _parse_block(condition_block, p_function_info, true, false, false);
  7751. if (err != OK) {
  7752. return err;
  7753. }
  7754. BlockNode *expression_block = alloc_node<BlockNode>();
  7755. expression_block->block_type = BlockNode::BLOCK_TYPE_FOR_EXPRESSION;
  7756. expression_block->parent_block = init_block;
  7757. expression_block->single_statement = true;
  7758. expression_block->use_comma_between_statements = true;
  7759. cf->blocks.push_back(expression_block);
  7760. err = _parse_block(expression_block, p_function_info, true, false, false);
  7761. if (err != OK) {
  7762. return err;
  7763. }
  7764. BlockNode *block = alloc_node<BlockNode>();
  7765. block->parent_block = init_block;
  7766. cf->blocks.push_back(block);
  7767. p_block->statements.push_back(cf);
  7768. #ifdef DEBUG_ENABLED
  7769. keyword_completion_context = CF_BLOCK;
  7770. #endif // DEBUG_ENABLED
  7771. err = _parse_block(block, p_function_info, true, true, true);
  7772. if (err != OK) {
  7773. return err;
  7774. }
  7775. } else if (tk.type == TK_CF_RETURN) {
  7776. //check return type
  7777. BlockNode *b = p_block;
  7778. while (b && !b->parent_function) {
  7779. b = b->parent_block;
  7780. }
  7781. if (!b) {
  7782. _set_parsing_error();
  7783. return ERR_BUG;
  7784. }
  7785. if (b->parent_function && p_function_info.main_function) {
  7786. _set_error(vformat(RTR("Using '%s' in the '%s' processor function is incorrect."), "return", b->parent_function->name));
  7787. return ERR_PARSE_ERROR;
  7788. }
  7789. String return_struct_name = String(b->parent_function->return_struct_name);
  7790. String array_size_string;
  7791. if (b->parent_function->return_array_size > 0) {
  7792. array_size_string = "[" + itos(b->parent_function->return_array_size) + "]";
  7793. }
  7794. ControlFlowNode *flow = alloc_node<ControlFlowNode>();
  7795. flow->flow_op = FLOW_OP_RETURN;
  7796. pos = _get_tkpos();
  7797. tk = _get_token();
  7798. if (tk.type == TK_SEMICOLON) {
  7799. //all is good
  7800. if (b->parent_function->return_type != TYPE_VOID) {
  7801. _set_error(vformat(RTR("Expected '%s' with an expression of type '%s'."), "return", (!return_struct_name.is_empty() ? return_struct_name : get_datatype_name(b->parent_function->return_type)) + array_size_string));
  7802. return ERR_PARSE_ERROR;
  7803. }
  7804. } else {
  7805. if (b->parent_function->return_type == TYPE_VOID) {
  7806. _set_error(vformat(RTR("'%s' function cannot return a value."), "void"));
  7807. return ERR_PARSE_ERROR;
  7808. }
  7809. _set_tkpos(pos); //rollback, wants expression
  7810. #ifdef DEBUG_ENABLED
  7811. if (b->parent_function->return_type == DataType::TYPE_BOOL) {
  7812. keyword_completion_context = CF_BOOLEAN;
  7813. }
  7814. #endif // DEBUG_ENABLED
  7815. Node *expr = _parse_and_reduce_expression(p_block, p_function_info);
  7816. if (!expr) {
  7817. return ERR_PARSE_ERROR;
  7818. }
  7819. if (b->parent_function->return_type != expr->get_datatype() || b->parent_function->return_array_size != expr->get_array_size() || return_struct_name != expr->get_datatype_name()) {
  7820. _set_error(vformat(RTR("Expected return with an expression of type '%s'."), (!return_struct_name.is_empty() ? return_struct_name : get_datatype_name(b->parent_function->return_type)) + array_size_string));
  7821. return ERR_PARSE_ERROR;
  7822. }
  7823. tk = _get_token();
  7824. if (tk.type != TK_SEMICOLON) {
  7825. _set_expected_after_error(";", "return");
  7826. return ERR_PARSE_ERROR;
  7827. }
  7828. #ifdef DEBUG_ENABLED
  7829. if (b->parent_function->return_type == DataType::TYPE_BOOL) {
  7830. keyword_completion_context = CF_BLOCK;
  7831. }
  7832. #endif // DEBUG_ENABLED
  7833. flow->expressions.push_back(expr);
  7834. }
  7835. p_block->statements.push_back(flow);
  7836. BlockNode *block = p_block;
  7837. while (block) {
  7838. if (block->block_type == BlockNode::BLOCK_TYPE_CASE || block->block_type == BlockNode::BLOCK_TYPE_DEFAULT) {
  7839. return OK;
  7840. }
  7841. block = block->parent_block;
  7842. }
  7843. } else if (tk.type == TK_CF_DISCARD) {
  7844. if (!is_discard_supported) {
  7845. _set_error(vformat(RTR("Use of '%s' is not supported for the '%s' shader type."), "discard", shader_type_identifier));
  7846. return ERR_PARSE_ERROR;
  7847. }
  7848. //check return type
  7849. BlockNode *b = p_block;
  7850. while (b && !b->parent_function) {
  7851. b = b->parent_block;
  7852. }
  7853. if (!b) {
  7854. _set_parsing_error();
  7855. return ERR_BUG;
  7856. }
  7857. if (!b->parent_function->can_discard) {
  7858. _set_error(vformat(RTR("'%s' cannot be used within the '%s' processor function."), "discard", b->parent_function->name));
  7859. return ERR_PARSE_ERROR;
  7860. }
  7861. ControlFlowNode *flow = alloc_node<ControlFlowNode>();
  7862. flow->flow_op = FLOW_OP_DISCARD;
  7863. pos = _get_tkpos();
  7864. tk = _get_token();
  7865. calls_info[b->parent_function->name].uses_restricted_items.push_back(Pair<StringName, CallInfo::Item>("discard", CallInfo::Item(CallInfo::Item::ITEM_TYPE_BUILTIN, pos)));
  7866. if (tk.type != TK_SEMICOLON) {
  7867. _set_expected_after_error(";", "discard");
  7868. return ERR_PARSE_ERROR;
  7869. }
  7870. p_block->statements.push_back(flow);
  7871. } else if (tk.type == TK_CF_BREAK) {
  7872. if (!p_can_break) {
  7873. _set_error(vformat(RTR("'%s' is not allowed outside of a loop or '%s' statement."), "break", "switch"));
  7874. return ERR_PARSE_ERROR;
  7875. }
  7876. ControlFlowNode *flow = alloc_node<ControlFlowNode>();
  7877. flow->flow_op = FLOW_OP_BREAK;
  7878. pos = _get_tkpos();
  7879. tk = _get_token();
  7880. if (tk.type != TK_SEMICOLON) {
  7881. _set_expected_after_error(";", "break");
  7882. return ERR_PARSE_ERROR;
  7883. }
  7884. p_block->statements.push_back(flow);
  7885. BlockNode *block = p_block;
  7886. while (block) {
  7887. if (block->block_type == BlockNode::BLOCK_TYPE_CASE || block->block_type == BlockNode::BLOCK_TYPE_DEFAULT) {
  7888. return OK;
  7889. }
  7890. block = block->parent_block;
  7891. }
  7892. } else if (tk.type == TK_CF_CONTINUE) {
  7893. if (!p_can_continue) {
  7894. _set_error(vformat(RTR("'%s' is not allowed outside of a loop."), "continue"));
  7895. return ERR_PARSE_ERROR;
  7896. }
  7897. ControlFlowNode *flow = alloc_node<ControlFlowNode>();
  7898. flow->flow_op = FLOW_OP_CONTINUE;
  7899. pos = _get_tkpos();
  7900. tk = _get_token();
  7901. if (tk.type != TK_SEMICOLON) {
  7902. //all is good
  7903. _set_expected_after_error(";", "continue");
  7904. return ERR_PARSE_ERROR;
  7905. }
  7906. p_block->statements.push_back(flow);
  7907. } else {
  7908. //nothing else, so expression
  7909. _set_tkpos(pos); //rollback
  7910. Node *expr = _parse_and_reduce_expression(p_block, p_function_info);
  7911. if (!expr) {
  7912. return ERR_PARSE_ERROR;
  7913. }
  7914. is_condition = expr->get_datatype() == TYPE_BOOL;
  7915. if (expr->type == Node::NODE_TYPE_OPERATOR) {
  7916. OperatorNode *op = static_cast<OperatorNode *>(expr);
  7917. if (op->op == OP_EMPTY) {
  7918. is_var_init = true;
  7919. is_condition = true;
  7920. }
  7921. }
  7922. p_block->statements.push_back(expr);
  7923. tk = _get_token();
  7924. if (p_block->block_type == BlockNode::BLOCK_TYPE_FOR_CONDITION) {
  7925. if (tk.type == TK_COMMA) {
  7926. if (!is_condition) {
  7927. _set_error(RTR("The middle expression is expected to have a boolean data type."));
  7928. return ERR_PARSE_ERROR;
  7929. }
  7930. tk = _peek();
  7931. if (tk.type == TK_SEMICOLON) {
  7932. _set_error(vformat(RTR("Expected expression, found: '%s'."), get_token_text(tk)));
  7933. return ERR_PARSE_ERROR;
  7934. }
  7935. continue;
  7936. }
  7937. if (tk.type != TK_SEMICOLON) {
  7938. _set_expected_error(",", ";");
  7939. return ERR_PARSE_ERROR;
  7940. }
  7941. } else if (p_block->block_type == BlockNode::BLOCK_TYPE_FOR_EXPRESSION) {
  7942. if (tk.type == TK_COMMA) {
  7943. tk = _peek();
  7944. if (tk.type == TK_PARENTHESIS_CLOSE) {
  7945. _set_error(vformat(RTR("Expected expression, found: '%s'."), get_token_text(tk)));
  7946. return ERR_PARSE_ERROR;
  7947. }
  7948. continue;
  7949. }
  7950. if (tk.type != TK_PARENTHESIS_CLOSE) {
  7951. _set_expected_error(",", ")");
  7952. return ERR_PARSE_ERROR;
  7953. }
  7954. } else if (tk.type != TK_SEMICOLON) {
  7955. _set_expected_error(";");
  7956. return ERR_PARSE_ERROR;
  7957. }
  7958. }
  7959. if (p_block) {
  7960. if (p_block->block_type == BlockNode::BLOCK_TYPE_FOR_INIT && !is_var_init) {
  7961. _set_error(RTR("The left expression is expected to be a variable declaration."));
  7962. return ERR_PARSE_ERROR;
  7963. }
  7964. if (p_block->block_type == BlockNode::BLOCK_TYPE_FOR_CONDITION && !is_condition) {
  7965. _set_error(RTR("The middle expression is expected to have a boolean data type."));
  7966. return ERR_PARSE_ERROR;
  7967. }
  7968. }
  7969. if (p_just_one) {
  7970. break;
  7971. }
  7972. }
  7973. return OK;
  7974. }
  7975. String ShaderLanguage::_get_shader_type_list(const HashSet<String> &p_shader_types) const {
  7976. // Return a list of shader types as an human-readable string
  7977. String valid_types;
  7978. for (const String &E : p_shader_types) {
  7979. if (!valid_types.is_empty()) {
  7980. valid_types += ", ";
  7981. }
  7982. valid_types += "'" + E + "'";
  7983. }
  7984. return valid_types;
  7985. }
  7986. String ShaderLanguage::_get_qualifier_str(ArgumentQualifier p_qualifier) const {
  7987. switch (p_qualifier) {
  7988. case ArgumentQualifier::ARGUMENT_QUALIFIER_IN:
  7989. return "in";
  7990. case ArgumentQualifier::ARGUMENT_QUALIFIER_OUT:
  7991. return "out";
  7992. case ArgumentQualifier::ARGUMENT_QUALIFIER_INOUT:
  7993. return "inout";
  7994. }
  7995. return "";
  7996. }
  7997. Error ShaderLanguage::_validate_precision(DataType p_type, DataPrecision p_precision) {
  7998. switch (p_type) {
  7999. case TYPE_STRUCT: {
  8000. _set_error(RTR("The precision modifier cannot be used on structs."));
  8001. return FAILED;
  8002. } break;
  8003. case TYPE_BOOL:
  8004. case TYPE_BVEC2:
  8005. case TYPE_BVEC3:
  8006. case TYPE_BVEC4: {
  8007. _set_error(RTR("The precision modifier cannot be used on boolean types."));
  8008. return FAILED;
  8009. } break;
  8010. default:
  8011. break;
  8012. }
  8013. return OK;
  8014. }
  8015. Error ShaderLanguage::_parse_shader(const HashMap<StringName, FunctionInfo> &p_functions, const Vector<ModeInfo> &p_render_modes, const HashSet<String> &p_shader_types) {
  8016. Token tk;
  8017. TkPos prev_pos;
  8018. Token next;
  8019. if (!is_shader_inc) {
  8020. #ifdef DEBUG_ENABLED
  8021. keyword_completion_context = CF_SHADER_TYPE;
  8022. #endif // DEBUG_ENABLED
  8023. tk = _get_token();
  8024. if (tk.type != TK_SHADER_TYPE) {
  8025. _set_error(vformat(RTR("Expected '%s' at the beginning of shader. Valid types are: %s."), "shader_type", _get_shader_type_list(p_shader_types)));
  8026. return ERR_PARSE_ERROR;
  8027. }
  8028. #ifdef DEBUG_ENABLED
  8029. keyword_completion_context = CF_UNSPECIFIED;
  8030. #endif // DEBUG_ENABLED
  8031. _get_completable_identifier(nullptr, COMPLETION_SHADER_TYPE, shader_type_identifier);
  8032. if (shader_type_identifier == StringName()) {
  8033. _set_error(vformat(RTR("Expected an identifier after '%s', indicating the type of shader. Valid types are: %s."), "shader_type", _get_shader_type_list(p_shader_types)));
  8034. return ERR_PARSE_ERROR;
  8035. }
  8036. if (!p_shader_types.has(shader_type_identifier)) {
  8037. _set_error(vformat(RTR("Invalid shader type. Valid types are: %s"), _get_shader_type_list(p_shader_types)));
  8038. return ERR_PARSE_ERROR;
  8039. }
  8040. prev_pos = _get_tkpos();
  8041. tk = _get_token();
  8042. if (tk.type != TK_SEMICOLON) {
  8043. _set_tkpos(prev_pos);
  8044. _set_expected_after_error(";", "shader_type " + String(shader_type_identifier));
  8045. return ERR_PARSE_ERROR;
  8046. }
  8047. }
  8048. #ifdef DEBUG_ENABLED
  8049. keyword_completion_context = CF_GLOBAL_SPACE;
  8050. #endif // DEBUG_ENABLED
  8051. tk = _get_token();
  8052. int texture_uniforms = 0;
  8053. int texture_binding = 0;
  8054. int uniforms = 0;
  8055. int instance_index = 0;
  8056. int prop_index = 0;
  8057. #ifdef DEBUG_ENABLED
  8058. uint64_t uniform_buffer_size = 0;
  8059. uint64_t max_uniform_buffer_size = 0;
  8060. int uniform_buffer_exceeded_line = -1;
  8061. bool check_device_limit_warnings = false;
  8062. {
  8063. RenderingDevice *device = RenderingDevice::get_singleton();
  8064. if (device != nullptr) {
  8065. check_device_limit_warnings = check_warnings && HAS_WARNING(ShaderWarning::DEVICE_LIMIT_EXCEEDED_FLAG);
  8066. max_uniform_buffer_size = device->limit_get(RenderingDevice::LIMIT_MAX_UNIFORM_BUFFER_SIZE);
  8067. }
  8068. }
  8069. #endif // DEBUG_ENABLED
  8070. ShaderNode::Uniform::Scope uniform_scope = ShaderNode::Uniform::SCOPE_LOCAL;
  8071. stages = &p_functions;
  8072. is_discard_supported = shader_type_identifier == "canvas_item" || shader_type_identifier == "spatial";
  8073. is_supported_frag_only_funcs = is_discard_supported || shader_type_identifier == "sky";
  8074. const FunctionInfo &constants = p_functions.has("constants") ? p_functions["constants"] : FunctionInfo();
  8075. HashMap<String, String> defined_modes;
  8076. while (tk.type != TK_EOF) {
  8077. switch (tk.type) {
  8078. case TK_RENDER_MODE: {
  8079. #ifdef DEBUG_ENABLED
  8080. keyword_completion_context = CF_UNSPECIFIED;
  8081. #endif // DEBUG_ENABLED
  8082. while (true) {
  8083. StringName mode;
  8084. _get_completable_identifier(nullptr, COMPLETION_RENDER_MODE, mode);
  8085. if (mode == StringName()) {
  8086. _set_error(RTR("Expected an identifier for render mode."));
  8087. return ERR_PARSE_ERROR;
  8088. }
  8089. const String smode = String(mode);
  8090. if (shader->render_modes.has(mode)) {
  8091. _set_error(vformat(RTR("Duplicated render mode: '%s'."), smode));
  8092. return ERR_PARSE_ERROR;
  8093. }
  8094. bool found = false;
  8095. if (is_shader_inc) {
  8096. for (int i = 0; i < RenderingServer::SHADER_MAX; i++) {
  8097. const Vector<ModeInfo> modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(i));
  8098. for (int j = 0; j < modes.size(); j++) {
  8099. const ModeInfo &info = modes[j];
  8100. const String name = String(info.name);
  8101. if (smode.begins_with(name)) {
  8102. if (!info.options.is_empty()) {
  8103. if (info.options.has(smode.substr(name.length() + 1))) {
  8104. found = true;
  8105. if (defined_modes.has(name)) {
  8106. _set_error(vformat(RTR("Redefinition of render mode: '%s'. The '%s' mode has already been set to '%s'."), smode, name, defined_modes[name]));
  8107. return ERR_PARSE_ERROR;
  8108. }
  8109. defined_modes.insert(name, smode);
  8110. break;
  8111. }
  8112. } else {
  8113. found = true;
  8114. break;
  8115. }
  8116. }
  8117. }
  8118. }
  8119. } else {
  8120. for (int i = 0; i < p_render_modes.size(); i++) {
  8121. const ModeInfo &info = p_render_modes[i];
  8122. const String name = String(info.name);
  8123. if (smode.begins_with(name)) {
  8124. if (!info.options.is_empty()) {
  8125. if (info.options.has(smode.substr(name.length() + 1))) {
  8126. found = true;
  8127. if (defined_modes.has(name)) {
  8128. _set_error(vformat(RTR("Redefinition of render mode: '%s'. The '%s' mode has already been set to '%s'."), smode, name, defined_modes[name]));
  8129. return ERR_PARSE_ERROR;
  8130. }
  8131. defined_modes.insert(name, smode);
  8132. break;
  8133. }
  8134. } else {
  8135. found = true;
  8136. break;
  8137. }
  8138. }
  8139. }
  8140. }
  8141. if (!found) {
  8142. _set_error(vformat(RTR("Invalid render mode: '%s'."), smode));
  8143. return ERR_PARSE_ERROR;
  8144. }
  8145. shader->render_modes.push_back(mode);
  8146. tk = _get_token();
  8147. if (tk.type == TK_COMMA) {
  8148. //all good, do nothing
  8149. } else if (tk.type == TK_SEMICOLON) {
  8150. break; //done
  8151. } else {
  8152. _set_error(vformat(RTR("Unexpected token: '%s'."), get_token_text(tk)));
  8153. return ERR_PARSE_ERROR;
  8154. }
  8155. }
  8156. #ifdef DEBUG_ENABLED
  8157. keyword_completion_context = CF_GLOBAL_SPACE;
  8158. #endif // DEBUG_ENABLED
  8159. } break;
  8160. case TK_STRUCT: {
  8161. ShaderNode::Struct st;
  8162. DataType type;
  8163. #ifdef DEBUG_ENABLED
  8164. keyword_completion_context = CF_UNSPECIFIED;
  8165. #endif // DEBUG_ENABLED
  8166. tk = _get_token();
  8167. if (tk.type == TK_IDENTIFIER) {
  8168. st.name = tk.text;
  8169. if (shader->constants.has(st.name) || shader->structs.has(st.name)) {
  8170. _set_redefinition_error(String(st.name));
  8171. return ERR_PARSE_ERROR;
  8172. }
  8173. tk = _get_token();
  8174. if (tk.type != TK_CURLY_BRACKET_OPEN) {
  8175. _set_expected_error("{");
  8176. return ERR_PARSE_ERROR;
  8177. }
  8178. } else {
  8179. _set_error(RTR("Expected a struct identifier."));
  8180. return ERR_PARSE_ERROR;
  8181. }
  8182. StructNode *st_node = alloc_node<StructNode>();
  8183. st.shader_struct = st_node;
  8184. int member_count = 0;
  8185. HashSet<String> member_names;
  8186. while (true) { // variables list
  8187. #ifdef DEBUG_ENABLED
  8188. keyword_completion_context = CF_DATATYPE | CF_PRECISION_MODIFIER;
  8189. #endif // DEBUG_ENABLED
  8190. tk = _get_token();
  8191. if (tk.type == TK_CURLY_BRACKET_CLOSE) {
  8192. break;
  8193. }
  8194. StringName struct_name = "";
  8195. bool struct_dt = false;
  8196. DataPrecision precision = PRECISION_DEFAULT;
  8197. if (tk.type == TK_STRUCT) {
  8198. _set_error(RTR("Nested structs are not allowed."));
  8199. return ERR_PARSE_ERROR;
  8200. }
  8201. if (is_token_precision(tk.type)) {
  8202. precision = get_token_precision(tk.type);
  8203. tk = _get_token();
  8204. #ifdef DEBUG_ENABLED
  8205. keyword_completion_context ^= CF_PRECISION_MODIFIER;
  8206. #endif // DEBUG_ENABLED
  8207. }
  8208. if (shader->structs.has(tk.text)) {
  8209. struct_name = tk.text;
  8210. #ifdef DEBUG_ENABLED
  8211. if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_STRUCT_FLAG) && used_structs.has(struct_name)) {
  8212. used_structs[struct_name].used = true;
  8213. }
  8214. #endif // DEBUG_ENABLED
  8215. struct_dt = true;
  8216. }
  8217. if (!is_token_datatype(tk.type) && !struct_dt) {
  8218. _set_error(RTR("Expected data type."));
  8219. return ERR_PARSE_ERROR;
  8220. } else {
  8221. type = struct_dt ? TYPE_STRUCT : get_token_datatype(tk.type);
  8222. if (precision != PRECISION_DEFAULT && _validate_precision(type, precision) != OK) {
  8223. return ERR_PARSE_ERROR;
  8224. }
  8225. if (type == TYPE_VOID || is_sampler_type(type)) {
  8226. _set_error(vformat(RTR("A '%s' data type is not allowed here."), get_datatype_name(type)));
  8227. return ERR_PARSE_ERROR;
  8228. }
  8229. #ifdef DEBUG_ENABLED
  8230. keyword_completion_context = CF_UNSPECIFIED;
  8231. #endif // DEBUG_ENABLED
  8232. bool first = true;
  8233. bool fixed_array_size = false;
  8234. int array_size = 0;
  8235. do {
  8236. tk = _get_token();
  8237. if (first) {
  8238. first = false;
  8239. if (tk.type != TK_IDENTIFIER && tk.type != TK_BRACKET_OPEN) {
  8240. _set_error(RTR("Expected an identifier or '['."));
  8241. return ERR_PARSE_ERROR;
  8242. }
  8243. if (tk.type == TK_BRACKET_OPEN) {
  8244. Error error = _parse_array_size(nullptr, constants, true, nullptr, &array_size, nullptr);
  8245. if (error != OK) {
  8246. return error;
  8247. }
  8248. fixed_array_size = true;
  8249. tk = _get_token();
  8250. }
  8251. }
  8252. if (tk.type != TK_IDENTIFIER) {
  8253. _set_error(RTR("Expected an identifier."));
  8254. return ERR_PARSE_ERROR;
  8255. }
  8256. MemberNode *member = alloc_node<MemberNode>();
  8257. member->precision = precision;
  8258. member->datatype = type;
  8259. member->struct_name = struct_name;
  8260. member->name = tk.text;
  8261. member->array_size = array_size;
  8262. if (member_names.has(member->name)) {
  8263. _set_redefinition_error(String(member->name));
  8264. return ERR_PARSE_ERROR;
  8265. }
  8266. member_names.insert(member->name);
  8267. tk = _get_token();
  8268. if (tk.type == TK_BRACKET_OPEN) {
  8269. Error error = _parse_array_size(nullptr, constants, true, nullptr, &member->array_size, nullptr);
  8270. if (error != OK) {
  8271. return error;
  8272. }
  8273. tk = _get_token();
  8274. }
  8275. if (!fixed_array_size) {
  8276. array_size = 0;
  8277. }
  8278. if (tk.type != TK_SEMICOLON && tk.type != TK_COMMA) {
  8279. _set_expected_error(",", ";");
  8280. return ERR_PARSE_ERROR;
  8281. }
  8282. st_node->members.push_back(member);
  8283. member_count++;
  8284. } while (tk.type == TK_COMMA); // another member
  8285. }
  8286. }
  8287. if (member_count == 0) {
  8288. _set_error(RTR("Empty structs are not allowed."));
  8289. return ERR_PARSE_ERROR;
  8290. }
  8291. #ifdef DEBUG_ENABLED
  8292. keyword_completion_context = CF_UNSPECIFIED;
  8293. #endif // DEBUG_ENABLED
  8294. tk = _get_token();
  8295. if (tk.type != TK_SEMICOLON) {
  8296. _set_expected_error(";");
  8297. return ERR_PARSE_ERROR;
  8298. }
  8299. #ifdef DEBUG_ENABLED
  8300. keyword_completion_context = CF_GLOBAL_SPACE;
  8301. #endif // DEBUG_ENABLED
  8302. shader->structs[st.name] = st;
  8303. shader->vstructs.push_back(st); // struct's order is important!
  8304. #ifdef DEBUG_ENABLED
  8305. if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_STRUCT_FLAG)) {
  8306. used_structs.insert(st.name, Usage(tk_line));
  8307. }
  8308. #endif // DEBUG_ENABLED
  8309. } break;
  8310. case TK_GLOBAL: {
  8311. #ifdef DEBUG_ENABLED
  8312. keyword_completion_context = CF_UNIFORM_KEYWORD;
  8313. if (_lookup_next(next)) {
  8314. if (next.type == TK_UNIFORM) {
  8315. keyword_completion_context ^= CF_UNIFORM_KEYWORD;
  8316. }
  8317. }
  8318. #endif // DEBUG_ENABLED
  8319. tk = _get_token();
  8320. if (tk.type != TK_UNIFORM) {
  8321. _set_expected_after_error("uniform", "global");
  8322. return ERR_PARSE_ERROR;
  8323. }
  8324. uniform_scope = ShaderNode::Uniform::SCOPE_GLOBAL;
  8325. };
  8326. [[fallthrough]];
  8327. case TK_INSTANCE: {
  8328. if (tk.type == TK_INSTANCE) {
  8329. #ifdef DEBUG_ENABLED
  8330. keyword_completion_context = CF_UNIFORM_KEYWORD;
  8331. if (_lookup_next(next)) {
  8332. if (next.type == TK_UNIFORM) {
  8333. keyword_completion_context ^= CF_UNIFORM_KEYWORD;
  8334. }
  8335. }
  8336. #endif // DEBUG_ENABLED
  8337. if (shader_type_identifier != StringName() && String(shader_type_identifier) != "spatial" && String(shader_type_identifier) != "canvas_item") {
  8338. _set_error(vformat(RTR("Uniform instances are not yet implemented for '%s' shaders."), shader_type_identifier));
  8339. return ERR_PARSE_ERROR;
  8340. }
  8341. if (uniform_scope == ShaderNode::Uniform::SCOPE_LOCAL) {
  8342. tk = _get_token();
  8343. if (tk.type != TK_UNIFORM) {
  8344. _set_expected_after_error("uniform", "instance");
  8345. return ERR_PARSE_ERROR;
  8346. }
  8347. uniform_scope = ShaderNode::Uniform::SCOPE_INSTANCE;
  8348. }
  8349. }
  8350. };
  8351. [[fallthrough]];
  8352. case TK_UNIFORM:
  8353. case TK_VARYING: {
  8354. bool is_uniform = tk.type == TK_UNIFORM;
  8355. #ifdef DEBUG_ENABLED
  8356. keyword_completion_context = CF_UNSPECIFIED;
  8357. #endif // DEBUG_ENABLED
  8358. if (!is_uniform) {
  8359. if (shader_type_identifier == "particles" || shader_type_identifier == "sky" || shader_type_identifier == "fog") {
  8360. _set_error(vformat(RTR("Varyings cannot be used in '%s' shaders."), shader_type_identifier));
  8361. return ERR_PARSE_ERROR;
  8362. }
  8363. }
  8364. DataPrecision precision = PRECISION_DEFAULT;
  8365. DataInterpolation interpolation = INTERPOLATION_DEFAULT;
  8366. DataType type;
  8367. StringName name;
  8368. int array_size = 0;
  8369. tk = _get_token();
  8370. #ifdef DEBUG_ENABLED
  8371. bool temp_error = false;
  8372. uint32_t datatype_flag;
  8373. if (!is_uniform) {
  8374. datatype_flag = CF_VARYING_TYPE;
  8375. keyword_completion_context = CF_INTERPOLATION_QUALIFIER | CF_PRECISION_MODIFIER | datatype_flag;
  8376. if (_lookup_next(next)) {
  8377. if (is_token_interpolation(next.type)) {
  8378. keyword_completion_context ^= (CF_INTERPOLATION_QUALIFIER | datatype_flag);
  8379. } else if (is_token_precision(next.type)) {
  8380. keyword_completion_context ^= (CF_PRECISION_MODIFIER | datatype_flag);
  8381. } else if (is_token_datatype(next.type)) {
  8382. keyword_completion_context ^= datatype_flag;
  8383. }
  8384. }
  8385. } else {
  8386. datatype_flag = CF_UNIFORM_TYPE;
  8387. keyword_completion_context = CF_PRECISION_MODIFIER | datatype_flag;
  8388. if (_lookup_next(next)) {
  8389. if (is_token_precision(next.type)) {
  8390. keyword_completion_context ^= (CF_PRECISION_MODIFIER | datatype_flag);
  8391. } else if (is_token_datatype(next.type)) {
  8392. keyword_completion_context ^= datatype_flag;
  8393. }
  8394. }
  8395. }
  8396. #endif // DEBUG_ENABLED
  8397. if (is_token_interpolation(tk.type)) {
  8398. if (is_uniform) {
  8399. _set_error(RTR("Interpolation qualifiers are not supported for uniforms."));
  8400. #ifdef DEBUG_ENABLED
  8401. temp_error = true;
  8402. #else
  8403. return ERR_PARSE_ERROR;
  8404. #endif // DEBUG_ENABLED
  8405. }
  8406. interpolation = get_token_interpolation(tk.type);
  8407. tk = _get_token();
  8408. #ifdef DEBUG_ENABLED
  8409. if (keyword_completion_context & CF_INTERPOLATION_QUALIFIER) {
  8410. keyword_completion_context ^= CF_INTERPOLATION_QUALIFIER;
  8411. }
  8412. if (_lookup_next(next)) {
  8413. if (is_token_precision(next.type)) {
  8414. keyword_completion_context ^= CF_PRECISION_MODIFIER;
  8415. } else if (is_token_datatype(next.type)) {
  8416. keyword_completion_context ^= datatype_flag;
  8417. }
  8418. }
  8419. if (temp_error) {
  8420. return ERR_PARSE_ERROR;
  8421. }
  8422. #endif // DEBUG_ENABLED
  8423. }
  8424. if (is_token_precision(tk.type)) {
  8425. precision = get_token_precision(tk.type);
  8426. tk = _get_token();
  8427. #ifdef DEBUG_ENABLED
  8428. if (keyword_completion_context & CF_INTERPOLATION_QUALIFIER) {
  8429. keyword_completion_context ^= CF_INTERPOLATION_QUALIFIER;
  8430. }
  8431. if (keyword_completion_context & CF_PRECISION_MODIFIER) {
  8432. keyword_completion_context ^= CF_PRECISION_MODIFIER;
  8433. }
  8434. if (_lookup_next(next)) {
  8435. if (is_token_datatype(next.type)) {
  8436. keyword_completion_context = CF_UNSPECIFIED;
  8437. }
  8438. }
  8439. #endif // DEBUG_ENABLED
  8440. }
  8441. if (shader->structs.has(tk.text)) {
  8442. if (is_uniform) {
  8443. _set_error(vformat(RTR("The '%s' data type is not supported for uniforms."), "struct"));
  8444. return ERR_PARSE_ERROR;
  8445. } else {
  8446. _set_error(vformat(RTR("The '%s' data type is not allowed here."), "struct"));
  8447. return ERR_PARSE_ERROR;
  8448. }
  8449. }
  8450. if (!is_token_datatype(tk.type)) {
  8451. _set_error(RTR("Expected data type."));
  8452. return ERR_PARSE_ERROR;
  8453. }
  8454. type = get_token_datatype(tk.type);
  8455. if (precision != PRECISION_DEFAULT && _validate_precision(type, precision) != OK) {
  8456. return ERR_PARSE_ERROR;
  8457. }
  8458. if (type == TYPE_VOID) {
  8459. _set_error(vformat(RTR("The '%s' data type is not allowed here."), "void"));
  8460. return ERR_PARSE_ERROR;
  8461. }
  8462. if (!is_uniform && interpolation != INTERPOLATION_DEFAULT && type < TYPE_INT) {
  8463. _set_error(vformat(RTR("Interpolation modifier '%s' cannot be used with boolean types."), get_interpolation_name(interpolation)));
  8464. return ERR_PARSE_ERROR;
  8465. }
  8466. if (!is_uniform && type > TYPE_MAT4) {
  8467. _set_error(RTR("Invalid data type for varying."));
  8468. return ERR_PARSE_ERROR;
  8469. }
  8470. #ifdef DEBUG_ENABLED
  8471. keyword_completion_context = CF_UNSPECIFIED;
  8472. #endif // DEBUG_ENABLED
  8473. tk = _get_token();
  8474. if (tk.type != TK_IDENTIFIER && tk.type != TK_BRACKET_OPEN) {
  8475. _set_error(RTR("Expected an identifier or '['."));
  8476. return ERR_PARSE_ERROR;
  8477. }
  8478. if (tk.type == TK_BRACKET_OPEN) {
  8479. Error error = _parse_array_size(nullptr, constants, true, nullptr, &array_size, nullptr);
  8480. if (error != OK) {
  8481. return error;
  8482. }
  8483. tk = _get_token();
  8484. }
  8485. if (tk.type != TK_IDENTIFIER) {
  8486. _set_error(RTR("Expected an identifier."));
  8487. return ERR_PARSE_ERROR;
  8488. }
  8489. prev_pos = _get_tkpos();
  8490. name = tk.text;
  8491. if (_find_identifier(nullptr, false, constants, name)) {
  8492. _set_redefinition_error(String(name));
  8493. return ERR_PARSE_ERROR;
  8494. }
  8495. if (has_builtin(p_functions, name)) {
  8496. _set_redefinition_error(String(name));
  8497. return ERR_PARSE_ERROR;
  8498. }
  8499. if (is_uniform) {
  8500. if (uniform_scope == ShaderNode::Uniform::SCOPE_GLOBAL && Engine::get_singleton()->is_editor_hint()) { // Type checking for global uniforms is not allowed outside the editor.
  8501. //validate global uniform
  8502. DataType gvtype = global_shader_uniform_get_type_func(name);
  8503. if (gvtype == TYPE_MAX) {
  8504. _set_error(vformat(RTR("Global uniform '%s' does not exist. Create it in Project Settings."), String(name)));
  8505. return ERR_PARSE_ERROR;
  8506. }
  8507. if (type != gvtype) {
  8508. _set_error(vformat(RTR("Global uniform '%s' must be of type '%s'."), String(name), get_datatype_name(gvtype)));
  8509. return ERR_PARSE_ERROR;
  8510. }
  8511. }
  8512. ShaderNode::Uniform uniform;
  8513. uniform.type = type;
  8514. uniform.scope = uniform_scope;
  8515. uniform.precision = precision;
  8516. uniform.array_size = array_size;
  8517. uniform.group = current_uniform_group_name;
  8518. uniform.subgroup = current_uniform_subgroup_name;
  8519. tk = _get_token();
  8520. if (tk.type == TK_BRACKET_OPEN) {
  8521. Error error = _parse_array_size(nullptr, constants, true, nullptr, &uniform.array_size, nullptr);
  8522. if (error != OK) {
  8523. return error;
  8524. }
  8525. tk = _get_token();
  8526. }
  8527. if (is_sampler_type(type)) {
  8528. if (uniform_scope == ShaderNode::Uniform::SCOPE_INSTANCE) {
  8529. _set_error(vformat(RTR("The '%s' qualifier is not supported for sampler types."), "SCOPE_INSTANCE"));
  8530. return ERR_PARSE_ERROR;
  8531. }
  8532. uniform.texture_order = texture_uniforms++;
  8533. uniform.texture_binding = texture_binding;
  8534. if (uniform.array_size > 0) {
  8535. texture_binding += uniform.array_size;
  8536. } else {
  8537. ++texture_binding;
  8538. }
  8539. uniform.order = -1;
  8540. uniform.prop_order = prop_index++;
  8541. } else {
  8542. if (uniform_scope == ShaderNode::Uniform::SCOPE_INSTANCE && (type == TYPE_MAT2 || type == TYPE_MAT3 || type == TYPE_MAT4)) {
  8543. _set_error(vformat(RTR("The '%s' qualifier is not supported for matrix types."), "SCOPE_INSTANCE"));
  8544. return ERR_PARSE_ERROR;
  8545. }
  8546. uniform.texture_order = -1;
  8547. if (uniform_scope != ShaderNode::Uniform::SCOPE_INSTANCE) {
  8548. uniform.order = uniforms++;
  8549. uniform.prop_order = prop_index++;
  8550. #ifdef DEBUG_ENABLED
  8551. if (check_device_limit_warnings) {
  8552. if (uniform.array_size > 0) {
  8553. int size = get_datatype_size(uniform.type) * uniform.array_size;
  8554. int m = (16 * uniform.array_size);
  8555. if ((size % m) != 0U) {
  8556. size += m - (size % m);
  8557. }
  8558. uniform_buffer_size += size;
  8559. } else {
  8560. uniform_buffer_size += get_datatype_size(uniform.type);
  8561. }
  8562. if (uniform_buffer_exceeded_line == -1 && uniform_buffer_size > max_uniform_buffer_size) {
  8563. uniform_buffer_exceeded_line = tk_line;
  8564. }
  8565. }
  8566. #endif // DEBUG_ENABLED
  8567. }
  8568. }
  8569. if (uniform.array_size > 0) {
  8570. if (uniform_scope == ShaderNode::Uniform::SCOPE_GLOBAL) {
  8571. _set_error(vformat(RTR("The '%s' qualifier is not supported for uniform arrays."), "SCOPE_GLOBAL"));
  8572. return ERR_PARSE_ERROR;
  8573. }
  8574. if (uniform_scope == ShaderNode::Uniform::SCOPE_INSTANCE) {
  8575. _set_error(vformat(RTR("The '%s' qualifier is not supported for uniform arrays."), "SCOPE_INSTANCE"));
  8576. return ERR_PARSE_ERROR;
  8577. }
  8578. }
  8579. int custom_instance_index = -1;
  8580. if (tk.type == TK_COLON) {
  8581. completion_type = COMPLETION_HINT;
  8582. completion_base = type;
  8583. completion_base_array = uniform.array_size > 0;
  8584. //hint
  8585. do {
  8586. tk = _get_token();
  8587. completion_line = tk.line;
  8588. if (!is_token_hint(tk.type)) {
  8589. _set_error(RTR("Expected valid type hint after ':'."));
  8590. return ERR_PARSE_ERROR;
  8591. }
  8592. if (uniform.array_size > 0) {
  8593. static Vector<int> supported_hints = {
  8594. TK_HINT_SOURCE_COLOR, TK_REPEAT_DISABLE, TK_REPEAT_ENABLE,
  8595. TK_FILTER_LINEAR, TK_FILTER_LINEAR_MIPMAP, TK_FILTER_LINEAR_MIPMAP_ANISOTROPIC,
  8596. TK_FILTER_NEAREST, TK_FILTER_NEAREST_MIPMAP, TK_FILTER_NEAREST_MIPMAP_ANISOTROPIC
  8597. };
  8598. if (!supported_hints.has(tk.type)) {
  8599. _set_error(RTR("This hint is not supported for uniform arrays."));
  8600. return ERR_PARSE_ERROR;
  8601. }
  8602. }
  8603. ShaderNode::Uniform::Hint new_hint = ShaderNode::Uniform::HINT_NONE;
  8604. TextureFilter new_filter = FILTER_DEFAULT;
  8605. TextureRepeat new_repeat = REPEAT_DEFAULT;
  8606. switch (tk.type) {
  8607. case TK_HINT_SOURCE_COLOR: {
  8608. if (type != TYPE_VEC3 && type != TYPE_VEC4 && !is_sampler_type(type)) {
  8609. _set_error(vformat(RTR("Source color hint is for '%s', '%s' or sampler types only."), "vec3", "vec4"));
  8610. return ERR_PARSE_ERROR;
  8611. }
  8612. if (is_sampler_type(type)) {
  8613. if (uniform.use_color) {
  8614. _set_error(vformat(RTR("Duplicated hint: '%s'."), "source_color"));
  8615. return ERR_PARSE_ERROR;
  8616. }
  8617. uniform.use_color = true;
  8618. } else {
  8619. new_hint = ShaderNode::Uniform::HINT_SOURCE_COLOR;
  8620. }
  8621. } break;
  8622. case TK_HINT_DEFAULT_BLACK_TEXTURE: {
  8623. new_hint = ShaderNode::Uniform::HINT_DEFAULT_BLACK;
  8624. } break;
  8625. case TK_HINT_DEFAULT_WHITE_TEXTURE: {
  8626. new_hint = ShaderNode::Uniform::HINT_DEFAULT_WHITE;
  8627. } break;
  8628. case TK_HINT_DEFAULT_TRANSPARENT_TEXTURE: {
  8629. new_hint = ShaderNode::Uniform::HINT_DEFAULT_TRANSPARENT;
  8630. } break;
  8631. case TK_HINT_NORMAL_TEXTURE: {
  8632. new_hint = ShaderNode::Uniform::HINT_NORMAL;
  8633. } break;
  8634. case TK_HINT_ROUGHNESS_NORMAL_TEXTURE: {
  8635. new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_NORMAL;
  8636. } break;
  8637. case TK_HINT_ROUGHNESS_R: {
  8638. new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_R;
  8639. } break;
  8640. case TK_HINT_ROUGHNESS_G: {
  8641. new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_G;
  8642. } break;
  8643. case TK_HINT_ROUGHNESS_B: {
  8644. new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_B;
  8645. } break;
  8646. case TK_HINT_ROUGHNESS_A: {
  8647. new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_A;
  8648. } break;
  8649. case TK_HINT_ROUGHNESS_GRAY: {
  8650. new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_GRAY;
  8651. } break;
  8652. case TK_HINT_ANISOTROPY_TEXTURE: {
  8653. new_hint = ShaderNode::Uniform::HINT_ANISOTROPY;
  8654. } break;
  8655. case TK_HINT_RANGE: {
  8656. if (type != TYPE_FLOAT && type != TYPE_INT) {
  8657. _set_error(vformat(RTR("Range hint is for '%s' and '%s' only."), "float", "int"));
  8658. return ERR_PARSE_ERROR;
  8659. }
  8660. tk = _get_token();
  8661. if (tk.type != TK_PARENTHESIS_OPEN) {
  8662. _set_expected_after_error("(", "hint_range");
  8663. return ERR_PARSE_ERROR;
  8664. }
  8665. tk = _get_token();
  8666. float sign = 1.0;
  8667. if (tk.type == TK_OP_SUB) {
  8668. sign = -1.0;
  8669. tk = _get_token();
  8670. }
  8671. if (tk.type != TK_FLOAT_CONSTANT && !tk.is_integer_constant()) {
  8672. _set_error(RTR("Expected an integer constant."));
  8673. return ERR_PARSE_ERROR;
  8674. }
  8675. uniform.hint_range[0] = tk.constant;
  8676. uniform.hint_range[0] *= sign;
  8677. tk = _get_token();
  8678. if (tk.type != TK_COMMA) {
  8679. _set_error(RTR("Expected ',' after integer constant."));
  8680. return ERR_PARSE_ERROR;
  8681. }
  8682. tk = _get_token();
  8683. sign = 1.0;
  8684. if (tk.type == TK_OP_SUB) {
  8685. sign = -1.0;
  8686. tk = _get_token();
  8687. }
  8688. if (tk.type != TK_FLOAT_CONSTANT && !tk.is_integer_constant()) {
  8689. _set_error(RTR("Expected an integer constant after ','."));
  8690. return ERR_PARSE_ERROR;
  8691. }
  8692. uniform.hint_range[1] = tk.constant;
  8693. uniform.hint_range[1] *= sign;
  8694. tk = _get_token();
  8695. if (tk.type == TK_COMMA) {
  8696. tk = _get_token();
  8697. if (tk.type != TK_FLOAT_CONSTANT && !tk.is_integer_constant()) {
  8698. _set_error(RTR("Expected an integer constant after ','."));
  8699. return ERR_PARSE_ERROR;
  8700. }
  8701. uniform.hint_range[2] = tk.constant;
  8702. tk = _get_token();
  8703. } else {
  8704. if (type == TYPE_INT) {
  8705. uniform.hint_range[2] = 1;
  8706. } else {
  8707. uniform.hint_range[2] = 0.001;
  8708. }
  8709. }
  8710. if (tk.type != TK_PARENTHESIS_CLOSE) {
  8711. _set_expected_error(")");
  8712. return ERR_PARSE_ERROR;
  8713. }
  8714. new_hint = ShaderNode::Uniform::HINT_RANGE;
  8715. } break;
  8716. case TK_HINT_ENUM: {
  8717. if (type != TYPE_INT) {
  8718. _set_error(vformat(RTR("Enum hint is for '%s' only."), "int"));
  8719. return ERR_PARSE_ERROR;
  8720. }
  8721. tk = _get_token();
  8722. if (tk.type != TK_PARENTHESIS_OPEN) {
  8723. _set_expected_after_error("(", "hint_enum");
  8724. return ERR_PARSE_ERROR;
  8725. }
  8726. while (true) {
  8727. tk = _get_token();
  8728. if (tk.type != TK_STRING_CONSTANT) {
  8729. _set_error(RTR("Expected a string constant."));
  8730. return ERR_PARSE_ERROR;
  8731. }
  8732. uniform.hint_enum_names.push_back(tk.text);
  8733. tk = _get_token();
  8734. if (tk.type == TK_PARENTHESIS_CLOSE) {
  8735. break;
  8736. } else if (tk.type != TK_COMMA) {
  8737. _set_error(RTR("Expected ',' or ')' after string constant."));
  8738. return ERR_PARSE_ERROR;
  8739. }
  8740. }
  8741. new_hint = ShaderNode::Uniform::HINT_ENUM;
  8742. } break;
  8743. case TK_HINT_INSTANCE_INDEX: {
  8744. if (custom_instance_index != -1) {
  8745. _set_error(vformat(RTR("Can only specify '%s' once."), "instance_index"));
  8746. return ERR_PARSE_ERROR;
  8747. }
  8748. tk = _get_token();
  8749. if (tk.type != TK_PARENTHESIS_OPEN) {
  8750. _set_expected_after_error("(", "instance_index");
  8751. return ERR_PARSE_ERROR;
  8752. }
  8753. tk = _get_token();
  8754. if (tk.type == TK_OP_SUB) {
  8755. _set_error(RTR("The instance index can't be negative."));
  8756. return ERR_PARSE_ERROR;
  8757. }
  8758. if (!tk.is_integer_constant()) {
  8759. _set_error(RTR("Expected an integer constant."));
  8760. return ERR_PARSE_ERROR;
  8761. }
  8762. custom_instance_index = tk.constant;
  8763. current_uniform_instance_index_defined = true;
  8764. if (custom_instance_index >= MAX_INSTANCE_UNIFORM_INDICES) {
  8765. _set_error(vformat(RTR("Allowed instance uniform indices must be within [0..%d] range."), MAX_INSTANCE_UNIFORM_INDICES - 1));
  8766. return ERR_PARSE_ERROR;
  8767. }
  8768. tk = _get_token();
  8769. if (tk.type != TK_PARENTHESIS_CLOSE) {
  8770. _set_expected_error(")");
  8771. return ERR_PARSE_ERROR;
  8772. }
  8773. } break;
  8774. case TK_HINT_SCREEN_TEXTURE: {
  8775. new_hint = ShaderNode::Uniform::HINT_SCREEN_TEXTURE;
  8776. --texture_uniforms;
  8777. --texture_binding;
  8778. } break;
  8779. case TK_HINT_NORMAL_ROUGHNESS_TEXTURE: {
  8780. new_hint = ShaderNode::Uniform::HINT_NORMAL_ROUGHNESS_TEXTURE;
  8781. --texture_uniforms;
  8782. --texture_binding;
  8783. if (OS::get_singleton()->get_current_rendering_method() != "forward_plus") {
  8784. _set_error(RTR("'hint_normal_roughness_texture' is only available when using the Forward+ renderer."));
  8785. return ERR_PARSE_ERROR;
  8786. }
  8787. if (shader_type_identifier != StringName() && String(shader_type_identifier) != "spatial") {
  8788. _set_error(vformat(RTR("'hint_normal_roughness_texture' is not supported in '%s' shaders."), shader_type_identifier));
  8789. return ERR_PARSE_ERROR;
  8790. }
  8791. } break;
  8792. case TK_HINT_DEPTH_TEXTURE: {
  8793. new_hint = ShaderNode::Uniform::HINT_DEPTH_TEXTURE;
  8794. --texture_uniforms;
  8795. --texture_binding;
  8796. if (shader_type_identifier != StringName() && String(shader_type_identifier) != "spatial") {
  8797. _set_error(vformat(RTR("'hint_depth_texture' is not supported in '%s' shaders."), shader_type_identifier));
  8798. return ERR_PARSE_ERROR;
  8799. }
  8800. } break;
  8801. case TK_FILTER_NEAREST: {
  8802. new_filter = FILTER_NEAREST;
  8803. } break;
  8804. case TK_FILTER_LINEAR: {
  8805. new_filter = FILTER_LINEAR;
  8806. } break;
  8807. case TK_FILTER_NEAREST_MIPMAP: {
  8808. new_filter = FILTER_NEAREST_MIPMAP;
  8809. } break;
  8810. case TK_FILTER_LINEAR_MIPMAP: {
  8811. new_filter = FILTER_LINEAR_MIPMAP;
  8812. } break;
  8813. case TK_FILTER_NEAREST_MIPMAP_ANISOTROPIC: {
  8814. new_filter = FILTER_NEAREST_MIPMAP_ANISOTROPIC;
  8815. } break;
  8816. case TK_FILTER_LINEAR_MIPMAP_ANISOTROPIC: {
  8817. new_filter = FILTER_LINEAR_MIPMAP_ANISOTROPIC;
  8818. } break;
  8819. case TK_REPEAT_DISABLE: {
  8820. new_repeat = REPEAT_DISABLE;
  8821. } break;
  8822. case TK_REPEAT_ENABLE: {
  8823. new_repeat = REPEAT_ENABLE;
  8824. } break;
  8825. default:
  8826. break;
  8827. }
  8828. bool is_sampler_hint = new_hint != ShaderNode::Uniform::HINT_NONE && new_hint != ShaderNode::Uniform::HINT_SOURCE_COLOR && new_hint != ShaderNode::Uniform::HINT_RANGE && new_hint != ShaderNode::Uniform::HINT_ENUM;
  8829. if (((new_filter != FILTER_DEFAULT || new_repeat != REPEAT_DEFAULT) || is_sampler_hint) && !is_sampler_type(type)) {
  8830. _set_error(RTR("This hint is only for sampler types."));
  8831. return ERR_PARSE_ERROR;
  8832. }
  8833. if (new_hint != ShaderNode::Uniform::HINT_NONE) {
  8834. if (uniform.hint != ShaderNode::Uniform::HINT_NONE) {
  8835. if (uniform.hint == new_hint) {
  8836. _set_error(vformat(RTR("Duplicated hint: '%s'."), get_uniform_hint_name(new_hint)));
  8837. } else {
  8838. _set_error(vformat(RTR("Redefinition of hint: '%s'. The hint has already been set to '%s'."), get_uniform_hint_name(new_hint), get_uniform_hint_name(uniform.hint)));
  8839. }
  8840. return ERR_PARSE_ERROR;
  8841. } else {
  8842. uniform.hint = new_hint;
  8843. current_uniform_hint = new_hint;
  8844. }
  8845. }
  8846. if (new_filter != FILTER_DEFAULT) {
  8847. if (uniform.filter != FILTER_DEFAULT) {
  8848. if (uniform.filter == new_filter) {
  8849. _set_error(vformat(RTR("Duplicated filter mode: '%s'."), get_texture_filter_name(new_filter)));
  8850. } else {
  8851. _set_error(vformat(RTR("Redefinition of filter mode: '%s'. The filter mode has already been set to '%s'."), get_texture_filter_name(new_filter), get_texture_filter_name(uniform.filter)));
  8852. }
  8853. return ERR_PARSE_ERROR;
  8854. } else {
  8855. uniform.filter = new_filter;
  8856. current_uniform_filter = new_filter;
  8857. }
  8858. }
  8859. if (new_repeat != REPEAT_DEFAULT) {
  8860. if (uniform.repeat != REPEAT_DEFAULT) {
  8861. if (uniform.repeat == new_repeat) {
  8862. _set_error(vformat(RTR("Duplicated repeat mode: '%s'."), get_texture_repeat_name(new_repeat)));
  8863. } else {
  8864. _set_error(vformat(RTR("Redefinition of repeat mode: '%s'. The repeat mode has already been set to '%s'."), get_texture_repeat_name(new_repeat), get_texture_repeat_name(uniform.repeat)));
  8865. }
  8866. return ERR_PARSE_ERROR;
  8867. } else {
  8868. uniform.repeat = new_repeat;
  8869. current_uniform_repeat = new_repeat;
  8870. }
  8871. }
  8872. tk = _get_token();
  8873. } while (tk.type == TK_COMMA);
  8874. }
  8875. if (uniform_scope == ShaderNode::Uniform::SCOPE_INSTANCE) {
  8876. if (custom_instance_index >= 0) {
  8877. uniform.instance_index = custom_instance_index;
  8878. } else {
  8879. uniform.instance_index = instance_index++;
  8880. if (instance_index > MAX_INSTANCE_UNIFORM_INDICES) {
  8881. _set_error(vformat(RTR("Too many '%s' uniforms in shader, maximum supported is %d."), "instance", MAX_INSTANCE_UNIFORM_INDICES));
  8882. return ERR_PARSE_ERROR;
  8883. }
  8884. }
  8885. }
  8886. //reset scope for next uniform
  8887. if (tk.type == TK_OP_ASSIGN) {
  8888. if (uniform.array_size > 0) {
  8889. _set_error(RTR("Setting default values to uniform arrays is not supported."));
  8890. return ERR_PARSE_ERROR;
  8891. }
  8892. Node *expr = _parse_and_reduce_expression(nullptr, constants);
  8893. if (!expr) {
  8894. return ERR_PARSE_ERROR;
  8895. }
  8896. if (expr->type != Node::NODE_TYPE_CONSTANT) {
  8897. _set_error(RTR("Expected constant expression after '='."));
  8898. return ERR_PARSE_ERROR;
  8899. }
  8900. ConstantNode *cn = static_cast<ConstantNode *>(expr);
  8901. uniform.default_value.resize(cn->values.size());
  8902. if (!convert_constant(cn, uniform.type, uniform.default_value.ptrw())) {
  8903. _set_error(vformat(RTR("Can't convert constant to '%s'."), get_datatype_name(uniform.type)));
  8904. return ERR_PARSE_ERROR;
  8905. }
  8906. tk = _get_token();
  8907. }
  8908. shader->uniforms[name] = uniform;
  8909. #ifdef DEBUG_ENABLED
  8910. if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_UNIFORM_FLAG)) {
  8911. used_uniforms.insert(name, Usage(tk_line));
  8912. }
  8913. #endif // DEBUG_ENABLED
  8914. //reset scope for next uniform
  8915. uniform_scope = ShaderNode::Uniform::SCOPE_LOCAL;
  8916. if (tk.type != TK_SEMICOLON) {
  8917. _set_expected_error(";");
  8918. return ERR_PARSE_ERROR;
  8919. }
  8920. #ifdef DEBUG_ENABLED
  8921. keyword_completion_context = CF_GLOBAL_SPACE;
  8922. #endif // DEBUG_ENABLED
  8923. completion_type = COMPLETION_NONE;
  8924. current_uniform_hint = ShaderNode::Uniform::HINT_NONE;
  8925. current_uniform_filter = FILTER_DEFAULT;
  8926. current_uniform_repeat = REPEAT_DEFAULT;
  8927. current_uniform_instance_index_defined = false;
  8928. } else { // varying
  8929. ShaderNode::Varying varying;
  8930. varying.type = type;
  8931. varying.precision = precision;
  8932. varying.interpolation = interpolation;
  8933. varying.tkpos = prev_pos;
  8934. varying.array_size = array_size;
  8935. tk = _get_token();
  8936. if (tk.type != TK_SEMICOLON && tk.type != TK_BRACKET_OPEN) {
  8937. if (array_size == 0) {
  8938. _set_expected_error(";", "[");
  8939. } else {
  8940. _set_expected_error(";");
  8941. }
  8942. return ERR_PARSE_ERROR;
  8943. }
  8944. if (tk.type == TK_BRACKET_OPEN) {
  8945. Error error = _parse_array_size(nullptr, constants, true, nullptr, &varying.array_size, nullptr);
  8946. if (error != OK) {
  8947. return error;
  8948. }
  8949. tk = _get_token();
  8950. }
  8951. shader->varyings[name] = varying;
  8952. #ifdef DEBUG_ENABLED
  8953. if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_VARYING_FLAG)) {
  8954. used_varyings.insert(name, Usage(tk_line));
  8955. }
  8956. #endif // DEBUG_ENABLED
  8957. }
  8958. } break;
  8959. case TK_UNIFORM_GROUP: {
  8960. tk = _get_token();
  8961. if (tk.type == TK_IDENTIFIER) {
  8962. current_uniform_group_name = tk.text;
  8963. current_uniform_subgroup_name = "";
  8964. tk = _get_token();
  8965. if (tk.type == TK_PERIOD) {
  8966. tk = _get_token();
  8967. if (tk.type == TK_IDENTIFIER) {
  8968. current_uniform_subgroup_name = tk.text;
  8969. tk = _get_token();
  8970. if (tk.type != TK_SEMICOLON) {
  8971. _set_expected_error(";");
  8972. return ERR_PARSE_ERROR;
  8973. }
  8974. } else {
  8975. _set_error(RTR("Expected an uniform subgroup identifier."));
  8976. return ERR_PARSE_ERROR;
  8977. }
  8978. } else if (tk.type != TK_SEMICOLON) {
  8979. _set_expected_error(";", ".");
  8980. return ERR_PARSE_ERROR;
  8981. }
  8982. } else {
  8983. if (tk.type != TK_SEMICOLON) {
  8984. if (current_uniform_group_name.is_empty()) {
  8985. _set_error(RTR("Expected an uniform group identifier."));
  8986. } else {
  8987. _set_error(RTR("Expected an uniform group identifier or `;`."));
  8988. }
  8989. return ERR_PARSE_ERROR;
  8990. } else if (current_uniform_group_name.is_empty()) {
  8991. _set_error(RTR("Group needs to be opened before."));
  8992. return ERR_PARSE_ERROR;
  8993. } else {
  8994. current_uniform_group_name = "";
  8995. current_uniform_subgroup_name = "";
  8996. }
  8997. }
  8998. } break;
  8999. case TK_SHADER_TYPE: {
  9000. _set_error(RTR("Shader type is already defined."));
  9001. return ERR_PARSE_ERROR;
  9002. } break;
  9003. default: {
  9004. //function or constant variable
  9005. bool is_constant = false;
  9006. bool is_struct = false;
  9007. StringName struct_name;
  9008. DataPrecision precision = PRECISION_DEFAULT;
  9009. DataType type;
  9010. StringName name;
  9011. int array_size = 0;
  9012. if (tk.type == TK_CONST) {
  9013. is_constant = true;
  9014. tk = _get_token();
  9015. }
  9016. if (is_token_precision(tk.type)) {
  9017. precision = get_token_precision(tk.type);
  9018. tk = _get_token();
  9019. }
  9020. if (shader->structs.has(tk.text)) {
  9021. is_struct = true;
  9022. struct_name = tk.text;
  9023. } else {
  9024. #ifdef DEBUG_ENABLED
  9025. if (_lookup_next(next)) {
  9026. if (next.type == TK_UNIFORM) {
  9027. keyword_completion_context = CF_UNIFORM_QUALIFIER;
  9028. }
  9029. }
  9030. #endif // DEBUG_ENABLED
  9031. if (!is_token_datatype(tk.type)) {
  9032. _set_error(RTR("Expected constant, function, uniform or varying."));
  9033. return ERR_PARSE_ERROR;
  9034. }
  9035. if (!is_token_variable_datatype(tk.type)) {
  9036. if (is_constant) {
  9037. _set_error(RTR("Invalid constant type (samplers are not allowed)."));
  9038. } else {
  9039. _set_error(RTR("Invalid function type (samplers are not allowed)."));
  9040. }
  9041. return ERR_PARSE_ERROR;
  9042. }
  9043. }
  9044. if (is_struct) {
  9045. type = TYPE_STRUCT;
  9046. } else {
  9047. type = get_token_datatype(tk.type);
  9048. }
  9049. if (precision != PRECISION_DEFAULT && _validate_precision(type, precision) != OK) {
  9050. return ERR_PARSE_ERROR;
  9051. }
  9052. prev_pos = _get_tkpos();
  9053. tk = _get_token();
  9054. #ifdef DEBUG_ENABLED
  9055. keyword_completion_context = CF_UNSPECIFIED;
  9056. #endif // DEBUG_ENABLED
  9057. bool unknown_size = false;
  9058. bool fixed_array_size = false;
  9059. if (tk.type == TK_BRACKET_OPEN) {
  9060. Error error = _parse_array_size(nullptr, constants, !is_constant, nullptr, &array_size, &unknown_size);
  9061. if (error != OK) {
  9062. return error;
  9063. }
  9064. fixed_array_size = true;
  9065. prev_pos = _get_tkpos();
  9066. }
  9067. _set_tkpos(prev_pos);
  9068. _get_completable_identifier(nullptr, COMPLETION_MAIN_FUNCTION, name);
  9069. if (name == StringName()) {
  9070. if (is_constant) {
  9071. _set_error(RTR("Expected an identifier or '[' after type."));
  9072. } else {
  9073. _set_error(RTR("Expected a function name after type."));
  9074. }
  9075. return ERR_PARSE_ERROR;
  9076. }
  9077. IdentifierType itype;
  9078. if (shader->structs.has(name) || (_find_identifier(nullptr, false, constants, name, nullptr, &itype) && itype != IDENTIFIER_FUNCTION) || has_builtin(p_functions, name, !is_constant)) {
  9079. _set_redefinition_error(String(name));
  9080. return ERR_PARSE_ERROR;
  9081. }
  9082. tk = _get_token();
  9083. if (tk.type != TK_PARENTHESIS_OPEN) {
  9084. if (type == TYPE_VOID) {
  9085. _set_error(RTR("Expected '(' after function identifier."));
  9086. return ERR_PARSE_ERROR;
  9087. }
  9088. //variable
  9089. while (true) {
  9090. ShaderNode::Constant constant;
  9091. constant.name = name;
  9092. constant.type = is_struct ? TYPE_STRUCT : type;
  9093. constant.struct_name = struct_name;
  9094. constant.precision = precision;
  9095. constant.initializer = nullptr;
  9096. constant.array_size = array_size;
  9097. is_const_decl = true;
  9098. if (tk.type == TK_BRACKET_OPEN) {
  9099. Error error = _parse_array_size(nullptr, constants, false, nullptr, &constant.array_size, &unknown_size);
  9100. if (error != OK) {
  9101. return error;
  9102. }
  9103. tk = _get_token();
  9104. }
  9105. if (tk.type == TK_OP_ASSIGN) {
  9106. if (!is_constant) {
  9107. _set_error(vformat(RTR("Global non-constant variables are not supported. Expected '%s' keyword before constant definition."), "const"));
  9108. return ERR_PARSE_ERROR;
  9109. }
  9110. if (constant.array_size > 0 || unknown_size) {
  9111. bool full_def = false;
  9112. VariableDeclarationNode::Declaration decl;
  9113. decl.name = name;
  9114. decl.size = constant.array_size;
  9115. tk = _get_token();
  9116. if (tk.type != TK_CURLY_BRACKET_OPEN) {
  9117. if (unknown_size) {
  9118. _set_expected_error("{");
  9119. return ERR_PARSE_ERROR;
  9120. }
  9121. full_def = true;
  9122. DataPrecision precision2 = PRECISION_DEFAULT;
  9123. if (is_token_precision(tk.type)) {
  9124. precision2 = get_token_precision(tk.type);
  9125. tk = _get_token();
  9126. if (!is_token_nonvoid_datatype(tk.type)) {
  9127. _set_error(RTR("Expected data type after precision modifier."));
  9128. return ERR_PARSE_ERROR;
  9129. }
  9130. }
  9131. StringName struct_name2;
  9132. DataType type2;
  9133. if (shader->structs.has(tk.text)) {
  9134. type2 = TYPE_STRUCT;
  9135. struct_name2 = tk.text;
  9136. } else {
  9137. if (!is_token_variable_datatype(tk.type)) {
  9138. _set_error(RTR("Invalid data type for the array."));
  9139. return ERR_PARSE_ERROR;
  9140. }
  9141. type2 = get_token_datatype(tk.type);
  9142. }
  9143. int array_size2 = 0;
  9144. tk = _get_token();
  9145. if (tk.type == TK_BRACKET_OPEN) {
  9146. bool is_unknown_size = false;
  9147. Error error = _parse_array_size(nullptr, constants, false, nullptr, &array_size2, &is_unknown_size);
  9148. if (error != OK) {
  9149. return error;
  9150. }
  9151. if (is_unknown_size) {
  9152. array_size2 = constant.array_size;
  9153. }
  9154. tk = _get_token();
  9155. } else {
  9156. _set_expected_error("[");
  9157. return ERR_PARSE_ERROR;
  9158. }
  9159. if (constant.precision != precision2 || constant.type != type2 || struct_name != struct_name2 || constant.array_size != array_size2) {
  9160. String from;
  9161. if (type2 == TYPE_STRUCT) {
  9162. from += struct_name2;
  9163. } else {
  9164. if (precision2 != PRECISION_DEFAULT) {
  9165. from += get_precision_name(precision2);
  9166. from += " ";
  9167. }
  9168. from += get_datatype_name(type2);
  9169. }
  9170. from += "[";
  9171. from += itos(array_size2);
  9172. from += "]'";
  9173. String to;
  9174. if (type == TYPE_STRUCT) {
  9175. to += struct_name;
  9176. } else {
  9177. if (precision != PRECISION_DEFAULT) {
  9178. to += get_precision_name(precision);
  9179. to += " ";
  9180. }
  9181. to += get_datatype_name(type);
  9182. }
  9183. to += "[";
  9184. to += itos(constant.array_size);
  9185. to += "]'";
  9186. _set_error(vformat(RTR("Cannot convert from '%s' to '%s'."), from, to));
  9187. return ERR_PARSE_ERROR;
  9188. }
  9189. }
  9190. bool curly = tk.type == TK_CURLY_BRACKET_OPEN;
  9191. if (unknown_size) {
  9192. if (!curly) {
  9193. _set_expected_error("{");
  9194. return ERR_PARSE_ERROR;
  9195. }
  9196. } else {
  9197. if (full_def) {
  9198. if (curly) {
  9199. _set_expected_error("(");
  9200. return ERR_PARSE_ERROR;
  9201. }
  9202. }
  9203. }
  9204. if (tk.type == TK_PARENTHESIS_OPEN || curly) { // initialization
  9205. while (true) {
  9206. Node *n = _parse_and_reduce_expression(nullptr, constants);
  9207. if (!n) {
  9208. return ERR_PARSE_ERROR;
  9209. }
  9210. if (n->type == Node::NODE_TYPE_OPERATOR && static_cast<OperatorNode *>(n)->op == OP_CALL) {
  9211. _set_error(RTR("Expected constant expression."));
  9212. return ERR_PARSE_ERROR;
  9213. }
  9214. if (!_compare_datatypes(constant.type, struct_name, 0, n->get_datatype(), n->get_datatype_name(), 0)) {
  9215. return ERR_PARSE_ERROR;
  9216. }
  9217. tk = _get_token();
  9218. if (tk.type == TK_COMMA) {
  9219. decl.initializer.push_back(n);
  9220. continue;
  9221. } else if (!curly && tk.type == TK_PARENTHESIS_CLOSE) {
  9222. decl.initializer.push_back(n);
  9223. break;
  9224. } else if (curly && tk.type == TK_CURLY_BRACKET_CLOSE) {
  9225. decl.initializer.push_back(n);
  9226. break;
  9227. } else {
  9228. if (curly) {
  9229. _set_expected_error("}", ",");
  9230. } else {
  9231. _set_expected_error(")", ",");
  9232. }
  9233. return ERR_PARSE_ERROR;
  9234. }
  9235. }
  9236. if (unknown_size) {
  9237. decl.size = decl.initializer.size();
  9238. constant.array_size = decl.initializer.size();
  9239. } else if (decl.initializer.size() != constant.array_size) {
  9240. _set_error(vformat(RTR("Array size mismatch. Expected %d elements (found %d)."), constant.array_size, decl.initializer.size()));
  9241. return ERR_PARSE_ERROR;
  9242. }
  9243. } else {
  9244. _set_expected_error("(");
  9245. return ERR_PARSE_ERROR;
  9246. }
  9247. array_size = constant.array_size;
  9248. ConstantNode *expr = memnew(ConstantNode);
  9249. expr->datatype = constant.type;
  9250. expr->struct_name = constant.struct_name;
  9251. expr->array_size = constant.array_size;
  9252. expr->array_declarations.push_back(decl);
  9253. constant.initializer = static_cast<ConstantNode *>(expr);
  9254. } else {
  9255. #ifdef DEBUG_ENABLED
  9256. if (constant.type == DataType::TYPE_BOOL) {
  9257. keyword_completion_context = CF_BOOLEAN;
  9258. }
  9259. #endif // DEBUG_ENABLED
  9260. //variable created with assignment! must parse an expression
  9261. Node *expr = _parse_and_reduce_expression(nullptr, constants);
  9262. if (!expr) {
  9263. return ERR_PARSE_ERROR;
  9264. }
  9265. #ifdef DEBUG_ENABLED
  9266. if (constant.type == DataType::TYPE_BOOL) {
  9267. keyword_completion_context = CF_GLOBAL_SPACE;
  9268. }
  9269. #endif // DEBUG_ENABLED
  9270. if (expr->type == Node::NODE_TYPE_OPERATOR && static_cast<OperatorNode *>(expr)->op == OP_CALL) {
  9271. OperatorNode *op = static_cast<OperatorNode *>(expr);
  9272. for (int i = 1; i < op->arguments.size(); i++) {
  9273. if (!_check_node_constness(op->arguments[i])) {
  9274. _set_error(vformat(RTR("Expected constant expression for argument %d of function call after '='."), i - 1));
  9275. return ERR_PARSE_ERROR;
  9276. }
  9277. }
  9278. }
  9279. constant.initializer = expr;
  9280. if (!_compare_datatypes(type, struct_name, 0, expr->get_datatype(), expr->get_datatype_name(), expr->get_array_size())) {
  9281. return ERR_PARSE_ERROR;
  9282. }
  9283. }
  9284. tk = _get_token();
  9285. } else {
  9286. if (constant.array_size > 0 || unknown_size) {
  9287. _set_error(RTR("Expected array initialization."));
  9288. return ERR_PARSE_ERROR;
  9289. } else {
  9290. _set_error(RTR("Expected initialization of constant."));
  9291. return ERR_PARSE_ERROR;
  9292. }
  9293. }
  9294. shader->constants[name] = constant;
  9295. shader->vconstants.push_back(constant);
  9296. #ifdef DEBUG_ENABLED
  9297. if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_CONSTANT_FLAG)) {
  9298. used_constants.insert(name, Usage(tk_line));
  9299. }
  9300. #endif // DEBUG_ENABLED
  9301. if (tk.type == TK_COMMA) {
  9302. tk = _get_token();
  9303. if (tk.type != TK_IDENTIFIER) {
  9304. _set_error(RTR("Expected an identifier after type."));
  9305. return ERR_PARSE_ERROR;
  9306. }
  9307. name = tk.text;
  9308. if (_find_identifier(nullptr, false, constants, name)) {
  9309. _set_redefinition_error(String(name));
  9310. return ERR_PARSE_ERROR;
  9311. }
  9312. if (has_builtin(p_functions, name)) {
  9313. _set_redefinition_error(String(name));
  9314. return ERR_PARSE_ERROR;
  9315. }
  9316. tk = _get_token();
  9317. if (!fixed_array_size) {
  9318. array_size = 0;
  9319. }
  9320. unknown_size = false;
  9321. } else if (tk.type == TK_SEMICOLON) {
  9322. is_const_decl = false;
  9323. break;
  9324. } else {
  9325. _set_expected_error(",", ";");
  9326. return ERR_PARSE_ERROR;
  9327. }
  9328. }
  9329. break;
  9330. }
  9331. if (is_constant) {
  9332. _set_error(vformat(RTR("'%s' qualifier cannot be used with a function return type."), "const"));
  9333. return ERR_PARSE_ERROR;
  9334. }
  9335. FunctionInfo builtins;
  9336. if (p_functions.has(name)) {
  9337. builtins = p_functions[name];
  9338. }
  9339. if (p_functions.has("global")) { // Adds global variables: 'TIME'
  9340. for (const KeyValue<StringName, BuiltInInfo> &E : p_functions["global"].built_ins) {
  9341. builtins.built_ins.insert(E.key, E.value);
  9342. }
  9343. }
  9344. if (p_functions.has("constants")) { // Adds global constants: 'PI', 'TAU', 'E'
  9345. for (const KeyValue<StringName, BuiltInInfo> &E : p_functions["constants"].built_ins) {
  9346. builtins.built_ins.insert(E.key, E.value);
  9347. }
  9348. }
  9349. for (int i = 0; i < shader->vfunctions.size(); i++) {
  9350. if (!shader->vfunctions[i].callable && shader->vfunctions[i].name == name) {
  9351. _set_redefinition_error(String(name));
  9352. return ERR_PARSE_ERROR;
  9353. }
  9354. }
  9355. ShaderNode::Function function;
  9356. function.callable = !p_functions.has(name);
  9357. function.name = name;
  9358. function.rname = name;
  9359. FunctionNode *func_node = alloc_node<FunctionNode>();
  9360. function.function = func_node;
  9361. func_node->name = name;
  9362. func_node->rname = name;
  9363. func_node->return_type = type;
  9364. func_node->return_struct_name = struct_name;
  9365. func_node->return_precision = precision;
  9366. func_node->return_array_size = array_size;
  9367. if (p_functions.has(name)) {
  9368. func_node->can_discard = p_functions[name].can_discard;
  9369. } else {
  9370. func_node->can_discard = is_discard_supported; // Allow use it for custom functions (in supported shader types).
  9371. }
  9372. if (!function_overload_count.has(name)) {
  9373. function_overload_count.insert(name, 0);
  9374. } else {
  9375. function_overload_count[name]++;
  9376. }
  9377. func_node->body = alloc_node<BlockNode>();
  9378. func_node->body->parent_function = func_node;
  9379. tk = _get_token();
  9380. while (true) {
  9381. if (tk.type == TK_PARENTHESIS_CLOSE) {
  9382. break;
  9383. }
  9384. #ifdef DEBUG_ENABLED
  9385. keyword_completion_context = CF_CONST_KEYWORD | CF_FUNC_DECL_PARAM_SPEC | CF_PRECISION_MODIFIER | CF_FUNC_DECL_PARAM_TYPE; // eg. const in mediump float
  9386. if (_lookup_next(next)) {
  9387. if (next.type == TK_CONST) {
  9388. keyword_completion_context = CF_UNSPECIFIED;
  9389. } else if (is_token_arg_qual(next.type)) {
  9390. keyword_completion_context = CF_CONST_KEYWORD;
  9391. } else if (is_token_precision(next.type)) {
  9392. keyword_completion_context = (CF_CONST_KEYWORD | CF_FUNC_DECL_PARAM_SPEC | CF_FUNC_DECL_PARAM_TYPE);
  9393. } else if (is_token_datatype(next.type)) {
  9394. keyword_completion_context = (CF_CONST_KEYWORD | CF_FUNC_DECL_PARAM_SPEC | CF_PRECISION_MODIFIER);
  9395. }
  9396. }
  9397. #endif // DEBUG_ENABLED
  9398. bool param_is_const = false;
  9399. if (tk.type == TK_CONST) {
  9400. param_is_const = true;
  9401. tk = _get_token();
  9402. #ifdef DEBUG_ENABLED
  9403. if (keyword_completion_context & CF_CONST_KEYWORD) {
  9404. keyword_completion_context ^= CF_CONST_KEYWORD;
  9405. }
  9406. if (_lookup_next(next)) {
  9407. if (is_token_arg_qual(next.type)) {
  9408. keyword_completion_context = CF_UNSPECIFIED;
  9409. } else if (is_token_precision(next.type)) {
  9410. keyword_completion_context = (CF_FUNC_DECL_PARAM_SPEC | CF_FUNC_DECL_PARAM_TYPE);
  9411. } else if (is_token_datatype(next.type)) {
  9412. keyword_completion_context = (CF_FUNC_DECL_PARAM_SPEC | CF_PRECISION_MODIFIER);
  9413. }
  9414. }
  9415. #endif // DEBUG_ENABLED
  9416. }
  9417. ArgumentQualifier param_qualifier = ARGUMENT_QUALIFIER_IN;
  9418. if (is_token_arg_qual(tk.type)) {
  9419. bool error = false;
  9420. switch (tk.type) {
  9421. case TK_ARG_IN: {
  9422. param_qualifier = ARGUMENT_QUALIFIER_IN;
  9423. } break;
  9424. case TK_ARG_OUT: {
  9425. if (param_is_const) {
  9426. _set_error(vformat(RTR("The '%s' qualifier cannot be used within a function parameter declared with '%s'."), "out", "const"));
  9427. error = true;
  9428. }
  9429. param_qualifier = ARGUMENT_QUALIFIER_OUT;
  9430. } break;
  9431. case TK_ARG_INOUT: {
  9432. if (param_is_const) {
  9433. _set_error(vformat(RTR("The '%s' qualifier cannot be used within a function parameter declared with '%s'."), "inout", "const"));
  9434. error = true;
  9435. }
  9436. param_qualifier = ARGUMENT_QUALIFIER_INOUT;
  9437. } break;
  9438. default:
  9439. error = true;
  9440. break;
  9441. }
  9442. tk = _get_token();
  9443. #ifdef DEBUG_ENABLED
  9444. if (keyword_completion_context & CF_CONST_KEYWORD) {
  9445. keyword_completion_context ^= CF_CONST_KEYWORD;
  9446. }
  9447. if (keyword_completion_context & CF_FUNC_DECL_PARAM_SPEC) {
  9448. keyword_completion_context ^= CF_FUNC_DECL_PARAM_SPEC;
  9449. }
  9450. if (_lookup_next(next)) {
  9451. if (is_token_precision(next.type)) {
  9452. keyword_completion_context = CF_FUNC_DECL_PARAM_TYPE;
  9453. } else if (is_token_datatype(next.type)) {
  9454. keyword_completion_context = CF_PRECISION_MODIFIER;
  9455. }
  9456. }
  9457. #endif // DEBUG_ENABLED
  9458. if (error) {
  9459. return ERR_PARSE_ERROR;
  9460. }
  9461. }
  9462. DataType param_type;
  9463. StringName param_name;
  9464. StringName param_struct_name;
  9465. DataPrecision param_precision = PRECISION_DEFAULT;
  9466. int arg_array_size = 0;
  9467. if (is_token_precision(tk.type)) {
  9468. param_precision = get_token_precision(tk.type);
  9469. tk = _get_token();
  9470. #ifdef DEBUG_ENABLED
  9471. if (keyword_completion_context & CF_CONST_KEYWORD) {
  9472. keyword_completion_context ^= CF_CONST_KEYWORD;
  9473. }
  9474. if (keyword_completion_context & CF_FUNC_DECL_PARAM_SPEC) {
  9475. keyword_completion_context ^= CF_FUNC_DECL_PARAM_SPEC;
  9476. }
  9477. if (keyword_completion_context & CF_PRECISION_MODIFIER) {
  9478. keyword_completion_context ^= CF_PRECISION_MODIFIER;
  9479. }
  9480. if (_lookup_next(next)) {
  9481. if (is_token_datatype(next.type)) {
  9482. keyword_completion_context = CF_UNSPECIFIED;
  9483. }
  9484. }
  9485. #endif // DEBUG_ENABLED
  9486. }
  9487. is_struct = false;
  9488. if (shader->structs.has(tk.text)) {
  9489. is_struct = true;
  9490. param_struct_name = tk.text;
  9491. #ifdef DEBUG_ENABLED
  9492. if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_STRUCT_FLAG) && used_structs.has(param_struct_name)) {
  9493. used_structs[param_struct_name].used = true;
  9494. }
  9495. #endif // DEBUG_ENABLED
  9496. }
  9497. if (!is_struct && !is_token_datatype(tk.type)) {
  9498. _set_error(RTR("Expected a valid data type for argument."));
  9499. return ERR_PARSE_ERROR;
  9500. }
  9501. if (param_qualifier == ARGUMENT_QUALIFIER_OUT || param_qualifier == ARGUMENT_QUALIFIER_INOUT) {
  9502. if (is_sampler_type(get_token_datatype(tk.type))) {
  9503. _set_error(RTR("Opaque types cannot be output parameters."));
  9504. return ERR_PARSE_ERROR;
  9505. }
  9506. }
  9507. if (is_struct) {
  9508. param_type = TYPE_STRUCT;
  9509. } else {
  9510. param_type = get_token_datatype(tk.type);
  9511. if (param_type == TYPE_VOID) {
  9512. _set_error(RTR("Void type not allowed as argument."));
  9513. return ERR_PARSE_ERROR;
  9514. }
  9515. }
  9516. if (param_precision != PRECISION_DEFAULT && _validate_precision(param_type, param_precision) != OK) {
  9517. return ERR_PARSE_ERROR;
  9518. }
  9519. #ifdef DEBUG_ENABLED
  9520. keyword_completion_context = CF_UNSPECIFIED;
  9521. #endif // DEBUG_ENABLED
  9522. tk = _get_token();
  9523. if (tk.type == TK_BRACKET_OPEN) {
  9524. Error error = _parse_array_size(nullptr, constants, true, nullptr, &arg_array_size, nullptr);
  9525. if (error != OK) {
  9526. return error;
  9527. }
  9528. tk = _get_token();
  9529. }
  9530. if (tk.type != TK_IDENTIFIER) {
  9531. _set_error(RTR("Expected an identifier for argument name."));
  9532. return ERR_PARSE_ERROR;
  9533. }
  9534. param_name = tk.text;
  9535. if (_find_identifier(func_node->body, false, builtins, param_name, (ShaderLanguage::DataType *)nullptr, &itype)) {
  9536. if (itype != IDENTIFIER_FUNCTION) {
  9537. _set_redefinition_error(String(param_name));
  9538. return ERR_PARSE_ERROR;
  9539. }
  9540. }
  9541. if (has_builtin(p_functions, param_name)) {
  9542. _set_redefinition_error(String(param_name));
  9543. return ERR_PARSE_ERROR;
  9544. }
  9545. FunctionNode::Argument arg;
  9546. arg.type = param_type;
  9547. arg.name = param_name;
  9548. arg.struct_name = param_struct_name;
  9549. arg.precision = param_precision;
  9550. arg.qualifier = param_qualifier;
  9551. arg.tex_argument_check = false;
  9552. arg.tex_builtin_check = false;
  9553. arg.tex_argument_filter = FILTER_DEFAULT;
  9554. arg.tex_argument_repeat = REPEAT_DEFAULT;
  9555. arg.is_const = param_is_const;
  9556. tk = _get_token();
  9557. if (tk.type == TK_BRACKET_OPEN) {
  9558. Error error = _parse_array_size(nullptr, constants, true, nullptr, &arg_array_size, nullptr);
  9559. if (error != OK) {
  9560. return error;
  9561. }
  9562. tk = _get_token();
  9563. }
  9564. arg.array_size = arg_array_size;
  9565. func_node->arguments.push_back(arg);
  9566. if (tk.type == TK_COMMA) {
  9567. tk = _get_token();
  9568. //do none and go on
  9569. } else if (tk.type != TK_PARENTHESIS_CLOSE) {
  9570. _set_expected_error(",", ")");
  9571. return ERR_PARSE_ERROR;
  9572. }
  9573. }
  9574. // Searches for function index and check for the exact duplicate in overloads.
  9575. int function_index = 0;
  9576. for (int i = 0; i < shader->vfunctions.size(); i++) {
  9577. if (!shader->vfunctions[i].callable || shader->vfunctions[i].rname != name) {
  9578. continue;
  9579. }
  9580. function_index++;
  9581. if (shader->vfunctions[i].function->arguments.size() != func_node->arguments.size()) {
  9582. continue;
  9583. }
  9584. bool is_same = true;
  9585. for (int j = 0; j < shader->vfunctions[i].function->arguments.size(); j++) {
  9586. FunctionNode::Argument a = func_node->arguments[j];
  9587. FunctionNode::Argument b = shader->vfunctions[i].function->arguments[j];
  9588. if (a.type == b.type && a.array_size == b.array_size) {
  9589. if (a.type == TYPE_STRUCT) {
  9590. is_same = a.struct_name == b.struct_name;
  9591. }
  9592. } else {
  9593. is_same = false;
  9594. }
  9595. if (!is_same) {
  9596. break;
  9597. }
  9598. }
  9599. if (is_same) {
  9600. _set_redefinition_error(String(name));
  9601. return ERR_PARSE_ERROR;
  9602. }
  9603. }
  9604. // Creates a fake name for function overload, which will be replaced by the real name by the compiler.
  9605. String name2 = name;
  9606. if (function_index > 0) {
  9607. name2 = vformat("%s@%s", name, itos(function_index + 1));
  9608. function.name = name2;
  9609. func_node->name = name2;
  9610. }
  9611. shader->functions.insert(name2, function);
  9612. shader->vfunctions.push_back(function);
  9613. CallInfo call_info;
  9614. call_info.name = name2;
  9615. calls_info.insert(name2, call_info);
  9616. #ifdef DEBUG_ENABLED
  9617. if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_FUNCTION_FLAG) && !p_functions.has(name)) {
  9618. used_functions.insert(name2, Usage(tk_line));
  9619. }
  9620. #endif // DEBUG_ENABLED
  9621. if (p_functions.has(name)) {
  9622. //if one of the core functions, make sure they are of the correct form
  9623. if (func_node->arguments.size() > 0) {
  9624. _set_error(vformat(RTR("Function '%s' expects no arguments."), String(name)));
  9625. return ERR_PARSE_ERROR;
  9626. }
  9627. if (func_node->return_type != TYPE_VOID) {
  9628. _set_error(vformat(RTR("Function '%s' must be of '%s' return type."), String(name), "void"));
  9629. return ERR_PARSE_ERROR;
  9630. }
  9631. }
  9632. //all good let's parse inside the function!
  9633. tk = _get_token();
  9634. if (tk.type != TK_CURLY_BRACKET_OPEN) {
  9635. _set_error(RTR("Expected a '{' to begin function."));
  9636. return ERR_PARSE_ERROR;
  9637. }
  9638. current_function = name2;
  9639. #ifdef DEBUG_ENABLED
  9640. keyword_completion_context = CF_BLOCK;
  9641. #endif // DEBUG_ENABLED
  9642. Error err = _parse_block(func_node->body, builtins);
  9643. if (err) {
  9644. return err;
  9645. }
  9646. #ifdef DEBUG_ENABLED
  9647. keyword_completion_context = CF_GLOBAL_SPACE;
  9648. #endif // DEBUG_ENABLED
  9649. if (func_node->return_type != DataType::TYPE_VOID) {
  9650. BlockNode *block = func_node->body;
  9651. if (_find_last_flow_op_in_block(block, FlowOperation::FLOW_OP_RETURN) != OK) {
  9652. _set_error(vformat(RTR("Expected at least one '%s' statement in a non-void function."), "return"));
  9653. return ERR_PARSE_ERROR;
  9654. }
  9655. }
  9656. current_function = StringName();
  9657. }
  9658. }
  9659. tk = _get_token();
  9660. }
  9661. for (const KeyValue<StringName, ShaderNode::Varying> &kv : shader->varyings) {
  9662. if (kv.value.stage != ShaderNode::Varying::STAGE_FRAGMENT && (kv.value.type > TYPE_BVEC4 && kv.value.type < TYPE_FLOAT) && kv.value.interpolation != INTERPOLATION_FLAT) {
  9663. _set_tkpos(kv.value.tkpos);
  9664. _set_error(vformat(RTR("Varying with integer data type must be declared with `%s` interpolation qualifier."), "flat"));
  9665. return ERR_PARSE_ERROR;
  9666. }
  9667. }
  9668. #ifdef DEBUG_ENABLED
  9669. if (check_device_limit_warnings && uniform_buffer_exceeded_line != -1) {
  9670. _add_warning(ShaderWarning::DEVICE_LIMIT_EXCEEDED, uniform_buffer_exceeded_line, RTR("uniform buffer"), { uniform_buffer_size, max_uniform_buffer_size });
  9671. }
  9672. #endif // DEBUG_ENABLED
  9673. return OK;
  9674. }
  9675. bool ShaderLanguage::has_builtin(const HashMap<StringName, ShaderLanguage::FunctionInfo> &p_functions, const StringName &p_name, bool p_check_global_funcs) {
  9676. if (p_check_global_funcs && global_func_set.has(p_name)) {
  9677. return true;
  9678. }
  9679. for (const KeyValue<StringName, ShaderLanguage::FunctionInfo> &E : p_functions) {
  9680. if (E.value.built_ins.has(p_name)) {
  9681. return true;
  9682. }
  9683. }
  9684. return false;
  9685. }
  9686. Error ShaderLanguage::_find_last_flow_op_in_op(ControlFlowNode *p_flow, FlowOperation p_op) {
  9687. bool found = false;
  9688. for (int i = p_flow->blocks.size() - 1; i >= 0; i--) {
  9689. if (p_flow->blocks[i]->type == Node::NODE_TYPE_BLOCK) {
  9690. BlockNode *last_block = static_cast<BlockNode *>(p_flow->blocks[i]);
  9691. if (_find_last_flow_op_in_block(last_block, p_op) == OK) {
  9692. found = true;
  9693. break;
  9694. }
  9695. }
  9696. }
  9697. if (found) {
  9698. return OK;
  9699. }
  9700. return FAILED;
  9701. }
  9702. Error ShaderLanguage::_find_last_flow_op_in_block(BlockNode *p_block, FlowOperation p_op) {
  9703. bool found = false;
  9704. for (List<ShaderLanguage::Node *>::Element *E = p_block->statements.back(); E; E = E->prev()) {
  9705. if (E->get()->type == Node::NODE_TYPE_CONTROL_FLOW) {
  9706. ControlFlowNode *flow = static_cast<ControlFlowNode *>(E->get());
  9707. if (flow->flow_op == p_op) {
  9708. found = true;
  9709. break;
  9710. } else {
  9711. if (_find_last_flow_op_in_op(flow, p_op) == OK) {
  9712. found = true;
  9713. break;
  9714. }
  9715. }
  9716. } else if (E->get()->type == Node::NODE_TYPE_BLOCK) {
  9717. BlockNode *block = static_cast<BlockNode *>(E->get());
  9718. if (_find_last_flow_op_in_block(block, p_op) == OK) {
  9719. found = true;
  9720. break;
  9721. }
  9722. }
  9723. }
  9724. if (found) {
  9725. return OK;
  9726. }
  9727. return FAILED;
  9728. }
  9729. // skips over whitespace and /* */ and // comments
  9730. static int _get_first_ident_pos(const String &p_code) {
  9731. int idx = 0;
  9732. #define GETCHAR(m_idx) (((idx + m_idx) < p_code.length()) ? p_code[idx + m_idx] : char32_t(0))
  9733. while (true) {
  9734. if (GETCHAR(0) == '/' && GETCHAR(1) == '/') {
  9735. idx += 2;
  9736. while (true) {
  9737. if (GETCHAR(0) == 0) {
  9738. return 0;
  9739. }
  9740. if (GETCHAR(0) == '\n') {
  9741. idx++;
  9742. break; // loop
  9743. }
  9744. idx++;
  9745. }
  9746. } else if (GETCHAR(0) == '/' && GETCHAR(1) == '*') {
  9747. idx += 2;
  9748. while (true) {
  9749. if (GETCHAR(0) == 0) {
  9750. return 0;
  9751. }
  9752. if (GETCHAR(0) == '*' && GETCHAR(1) == '/') {
  9753. idx += 2;
  9754. break; // loop
  9755. }
  9756. idx++;
  9757. }
  9758. } else {
  9759. switch (GETCHAR(0)) {
  9760. case ' ':
  9761. case '\t':
  9762. case '\r':
  9763. case '\n': {
  9764. idx++;
  9765. } break; // switch
  9766. default:
  9767. return idx;
  9768. }
  9769. }
  9770. }
  9771. #undef GETCHAR
  9772. }
  9773. String ShaderLanguage::get_shader_type(const String &p_code) {
  9774. bool reading_type = false;
  9775. String cur_identifier;
  9776. for (int i = _get_first_ident_pos(p_code); i < p_code.length(); i++) {
  9777. if (p_code[i] == ';') {
  9778. break;
  9779. } else if (p_code[i] <= 32) {
  9780. if (!cur_identifier.is_empty()) {
  9781. if (!reading_type) {
  9782. if (cur_identifier != "shader_type") {
  9783. return String();
  9784. }
  9785. reading_type = true;
  9786. cur_identifier = String();
  9787. } else {
  9788. return cur_identifier;
  9789. }
  9790. }
  9791. } else {
  9792. cur_identifier += String::chr(p_code[i]);
  9793. }
  9794. }
  9795. if (reading_type) {
  9796. return cur_identifier;
  9797. }
  9798. return String();
  9799. }
  9800. bool ShaderLanguage::is_builtin_func_out_parameter(const String &p_name, int p_param) {
  9801. int i = 0;
  9802. while (builtin_func_out_args[i].name) {
  9803. if (p_name == builtin_func_out_args[i].name) {
  9804. for (int j = 0; j < BuiltinFuncOutArgs::MAX_ARGS; j++) {
  9805. int arg = builtin_func_out_args[i].arguments[j];
  9806. if (arg == p_param) {
  9807. return true;
  9808. }
  9809. if (arg < 0) {
  9810. return false;
  9811. }
  9812. }
  9813. }
  9814. i++;
  9815. }
  9816. return false;
  9817. }
  9818. #ifdef DEBUG_ENABLED
  9819. void ShaderLanguage::_check_warning_accums() {
  9820. for (const KeyValue<ShaderWarning::Code, HashMap<StringName, HashMap<StringName, Usage>> *> &E : warnings_check_map2) {
  9821. for (const KeyValue<StringName, HashMap<StringName, Usage>> &T : *E.value) {
  9822. for (const KeyValue<StringName, Usage> &U : T.value) {
  9823. if (!U.value.used) {
  9824. _add_warning(E.key, U.value.decl_line, U.key);
  9825. }
  9826. }
  9827. }
  9828. }
  9829. for (const KeyValue<ShaderWarning::Code, HashMap<StringName, Usage> *> &E : warnings_check_map) {
  9830. for (const KeyValue<StringName, Usage> &U : (*E.value)) {
  9831. if (!U.value.used) {
  9832. _add_warning(E.key, U.value.decl_line, U.key);
  9833. }
  9834. }
  9835. }
  9836. }
  9837. List<ShaderWarning>::Element *ShaderLanguage::get_warnings_ptr() {
  9838. return warnings.front();
  9839. }
  9840. void ShaderLanguage::enable_warning_checking(bool p_enabled) {
  9841. check_warnings = p_enabled;
  9842. }
  9843. bool ShaderLanguage::is_warning_checking_enabled() const {
  9844. return check_warnings;
  9845. }
  9846. void ShaderLanguage::set_warning_flags(uint32_t p_flags) {
  9847. warning_flags = p_flags;
  9848. }
  9849. uint32_t ShaderLanguage::get_warning_flags() const {
  9850. return warning_flags;
  9851. }
  9852. #endif // DEBUG_ENABLED
  9853. Error ShaderLanguage::compile(const String &p_code, const ShaderCompileInfo &p_info) {
  9854. clear();
  9855. is_shader_inc = p_info.is_include;
  9856. code = p_code;
  9857. global_shader_uniform_get_type_func = p_info.global_shader_uniform_type_func;
  9858. varying_function_names = p_info.varying_function_names;
  9859. nodes = nullptr;
  9860. shader = alloc_node<ShaderNode>();
  9861. Error err = _parse_shader(p_info.functions, p_info.render_modes, p_info.shader_types);
  9862. #ifdef DEBUG_ENABLED
  9863. if (check_warnings) {
  9864. _check_warning_accums();
  9865. }
  9866. #endif // DEBUG_ENABLED
  9867. if (err != OK) {
  9868. return err;
  9869. }
  9870. return OK;
  9871. }
  9872. Error ShaderLanguage::complete(const String &p_code, const ShaderCompileInfo &p_info, List<ScriptLanguage::CodeCompletionOption> *r_options, String &r_call_hint) {
  9873. clear();
  9874. is_shader_inc = p_info.is_include;
  9875. code = p_code;
  9876. varying_function_names = p_info.varying_function_names;
  9877. nodes = nullptr;
  9878. global_shader_uniform_get_type_func = p_info.global_shader_uniform_type_func;
  9879. shader = alloc_node<ShaderNode>();
  9880. _parse_shader(p_info.functions, p_info.render_modes, p_info.shader_types);
  9881. #ifdef DEBUG_ENABLED
  9882. // Adds context keywords.
  9883. if (keyword_completion_context != CF_UNSPECIFIED) {
  9884. int sz = sizeof(keyword_list) / sizeof(KeyWord);
  9885. for (int i = 0; i < sz; i++) {
  9886. if (keyword_list[i].flags == CF_UNSPECIFIED) {
  9887. break; // Ignore hint keywords (parsed below).
  9888. }
  9889. if (keyword_list[i].flags & keyword_completion_context) {
  9890. if (keyword_list[i].excluded_shader_types.has(shader_type_identifier) || keyword_list[i].excluded_functions.has(current_function)) {
  9891. continue;
  9892. }
  9893. ScriptLanguage::CodeCompletionOption option(keyword_list[i].text, ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
  9894. r_options->push_back(option);
  9895. }
  9896. }
  9897. }
  9898. #endif // DEBUG_ENABLED
  9899. switch (completion_type) {
  9900. case COMPLETION_NONE: {
  9901. //do nothing
  9902. return OK;
  9903. } break;
  9904. case COMPLETION_SHADER_TYPE: {
  9905. for (const String &shader_type : p_info.shader_types) {
  9906. ScriptLanguage::CodeCompletionOption option(shader_type, ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
  9907. r_options->push_back(option);
  9908. }
  9909. return OK;
  9910. } break;
  9911. case COMPLETION_RENDER_MODE: {
  9912. if (is_shader_inc) {
  9913. for (int i = 0; i < RenderingServer::SHADER_MAX; i++) {
  9914. const Vector<ModeInfo> modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(i));
  9915. for (int j = 0; j < modes.size(); j++) {
  9916. const ModeInfo &info = modes[j];
  9917. if (!info.options.is_empty()) {
  9918. bool found = false;
  9919. for (int k = 0; k < info.options.size(); k++) {
  9920. if (shader->render_modes.has(String(info.name) + "_" + String(info.options[k]))) {
  9921. found = true;
  9922. }
  9923. }
  9924. if (!found) {
  9925. for (int k = 0; k < info.options.size(); k++) {
  9926. ScriptLanguage::CodeCompletionOption option(String(info.name) + "_" + String(info.options[k]), ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
  9927. r_options->push_back(option);
  9928. }
  9929. }
  9930. } else {
  9931. const String name = String(info.name);
  9932. if (!shader->render_modes.has(name)) {
  9933. ScriptLanguage::CodeCompletionOption option(name, ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
  9934. r_options->push_back(option);
  9935. }
  9936. }
  9937. }
  9938. }
  9939. } else {
  9940. for (int i = 0; i < p_info.render_modes.size(); i++) {
  9941. const ModeInfo &info = p_info.render_modes[i];
  9942. if (!info.options.is_empty()) {
  9943. bool found = false;
  9944. for (int j = 0; j < info.options.size(); j++) {
  9945. if (shader->render_modes.has(String(info.name) + "_" + String(info.options[j]))) {
  9946. found = true;
  9947. }
  9948. }
  9949. if (!found) {
  9950. for (int j = 0; j < info.options.size(); j++) {
  9951. ScriptLanguage::CodeCompletionOption option(String(info.name) + "_" + String(info.options[j]), ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
  9952. r_options->push_back(option);
  9953. }
  9954. }
  9955. } else {
  9956. const String name = String(info.name);
  9957. if (!shader->render_modes.has(name)) {
  9958. ScriptLanguage::CodeCompletionOption option(name, ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
  9959. r_options->push_back(option);
  9960. }
  9961. }
  9962. }
  9963. }
  9964. return OK;
  9965. } break;
  9966. case COMPLETION_STRUCT: {
  9967. if (shader->structs.has(completion_struct)) {
  9968. StructNode *node = shader->structs[completion_struct].shader_struct;
  9969. for (ShaderLanguage::MemberNode *member : node->members) {
  9970. ScriptLanguage::CodeCompletionOption option(member->name, ScriptLanguage::CODE_COMPLETION_KIND_MEMBER);
  9971. r_options->push_back(option);
  9972. }
  9973. }
  9974. return OK;
  9975. } break;
  9976. case COMPLETION_MAIN_FUNCTION: {
  9977. for (const KeyValue<StringName, FunctionInfo> &E : p_info.functions) {
  9978. if (!E.value.main_function) {
  9979. continue;
  9980. }
  9981. bool found = false;
  9982. for (int i = 0; i < shader->vfunctions.size(); i++) {
  9983. if (shader->vfunctions[i].name == E.key) {
  9984. found = true;
  9985. break;
  9986. }
  9987. }
  9988. if (found) {
  9989. continue;
  9990. }
  9991. ScriptLanguage::CodeCompletionOption option(E.key, ScriptLanguage::CODE_COMPLETION_KIND_FUNCTION);
  9992. r_options->push_back(option);
  9993. }
  9994. return OK;
  9995. } break;
  9996. case COMPLETION_IDENTIFIER:
  9997. case COMPLETION_FUNCTION_CALL: {
  9998. bool comp_ident = completion_type == COMPLETION_IDENTIFIER;
  9999. HashMap<String, ScriptLanguage::CodeCompletionKind> matches;
  10000. StringName skip_function;
  10001. BlockNode *block = completion_block;
  10002. if (completion_class == TAG_GLOBAL) {
  10003. while (block) {
  10004. if (comp_ident) {
  10005. for (const KeyValue<StringName, BlockNode::Variable> &E : block->variables) {
  10006. if (E.value.line < completion_line) {
  10007. matches.insert(E.key, ScriptLanguage::CODE_COMPLETION_KIND_VARIABLE);
  10008. }
  10009. }
  10010. }
  10011. if (block->parent_function) {
  10012. if (comp_ident) {
  10013. for (int i = 0; i < block->parent_function->arguments.size(); i++) {
  10014. matches.insert(block->parent_function->arguments[i].name, ScriptLanguage::CODE_COMPLETION_KIND_VARIABLE);
  10015. }
  10016. }
  10017. skip_function = block->parent_function->name;
  10018. }
  10019. block = block->parent_block;
  10020. }
  10021. if (comp_ident) {
  10022. if (is_shader_inc) {
  10023. for (int i = 0; i < RenderingServer::SHADER_MAX; i++) {
  10024. const HashMap<StringName, ShaderLanguage::FunctionInfo> info = ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(i));
  10025. if (info.has("global")) {
  10026. for (const KeyValue<StringName, BuiltInInfo> &E : info["global"].built_ins) {
  10027. ScriptLanguage::CodeCompletionKind kind = ScriptLanguage::CODE_COMPLETION_KIND_MEMBER;
  10028. if (E.value.constant) {
  10029. kind = ScriptLanguage::CODE_COMPLETION_KIND_CONSTANT;
  10030. }
  10031. matches.insert(E.key, kind);
  10032. }
  10033. }
  10034. if (info.has("constants")) {
  10035. for (const KeyValue<StringName, BuiltInInfo> &E : info["constants"].built_ins) {
  10036. ScriptLanguage::CodeCompletionKind kind = ScriptLanguage::CODE_COMPLETION_KIND_MEMBER;
  10037. if (E.value.constant) {
  10038. kind = ScriptLanguage::CODE_COMPLETION_KIND_CONSTANT;
  10039. }
  10040. matches.insert(E.key, kind);
  10041. }
  10042. }
  10043. if (skip_function != StringName() && info.has(skip_function)) {
  10044. for (const KeyValue<StringName, BuiltInInfo> &E : info[skip_function].built_ins) {
  10045. ScriptLanguage::CodeCompletionKind kind = ScriptLanguage::CODE_COMPLETION_KIND_MEMBER;
  10046. if (E.value.constant) {
  10047. kind = ScriptLanguage::CODE_COMPLETION_KIND_CONSTANT;
  10048. }
  10049. matches.insert(E.key, kind);
  10050. }
  10051. }
  10052. }
  10053. } else {
  10054. if (p_info.functions.has("global")) {
  10055. for (const KeyValue<StringName, BuiltInInfo> &E : p_info.functions["global"].built_ins) {
  10056. ScriptLanguage::CodeCompletionKind kind = ScriptLanguage::CODE_COMPLETION_KIND_MEMBER;
  10057. if (E.value.constant) {
  10058. kind = ScriptLanguage::CODE_COMPLETION_KIND_CONSTANT;
  10059. }
  10060. matches.insert(E.key, kind);
  10061. }
  10062. }
  10063. if (p_info.functions.has("constants")) {
  10064. for (const KeyValue<StringName, BuiltInInfo> &E : p_info.functions["constants"].built_ins) {
  10065. ScriptLanguage::CodeCompletionKind kind = ScriptLanguage::CODE_COMPLETION_KIND_MEMBER;
  10066. if (E.value.constant) {
  10067. kind = ScriptLanguage::CODE_COMPLETION_KIND_CONSTANT;
  10068. }
  10069. matches.insert(E.key, kind);
  10070. }
  10071. }
  10072. if (skip_function != StringName() && p_info.functions.has(skip_function)) {
  10073. for (const KeyValue<StringName, BuiltInInfo> &E : p_info.functions[skip_function].built_ins) {
  10074. ScriptLanguage::CodeCompletionKind kind = ScriptLanguage::CODE_COMPLETION_KIND_MEMBER;
  10075. if (E.value.constant) {
  10076. kind = ScriptLanguage::CODE_COMPLETION_KIND_CONSTANT;
  10077. }
  10078. matches.insert(E.key, kind);
  10079. }
  10080. }
  10081. }
  10082. for (const KeyValue<StringName, ShaderNode::Constant> &E : shader->constants) {
  10083. matches.insert(E.key, ScriptLanguage::CODE_COMPLETION_KIND_CONSTANT);
  10084. }
  10085. for (const KeyValue<StringName, ShaderNode::Varying> &E : shader->varyings) {
  10086. matches.insert(E.key, ScriptLanguage::CODE_COMPLETION_KIND_VARIABLE);
  10087. }
  10088. for (const KeyValue<StringName, ShaderNode::Uniform> &E : shader->uniforms) {
  10089. matches.insert(E.key, ScriptLanguage::CODE_COMPLETION_KIND_MEMBER);
  10090. }
  10091. }
  10092. for (int i = 0; i < shader->vfunctions.size(); i++) {
  10093. if (!shader->vfunctions[i].callable || shader->vfunctions[i].name == skip_function) {
  10094. continue;
  10095. }
  10096. matches.insert(String(shader->vfunctions[i].rname), ScriptLanguage::CODE_COMPLETION_KIND_FUNCTION);
  10097. }
  10098. int idx = 0;
  10099. bool low_end = RenderingServer::get_singleton()->is_low_end();
  10100. if (stages) {
  10101. // Stage functions can be used in custom functions as well, that why need to check them all.
  10102. for (const KeyValue<StringName, FunctionInfo> &E : *stages) {
  10103. for (const KeyValue<StringName, StageFunctionInfo> &F : E.value.stage_functions) {
  10104. if (F.value.skip_function == skip_function && stages->has(skip_function)) {
  10105. continue;
  10106. }
  10107. matches.insert(String(F.key), ScriptLanguage::CODE_COMPLETION_KIND_FUNCTION);
  10108. }
  10109. }
  10110. }
  10111. while (builtin_func_defs[idx].name) {
  10112. if ((low_end && builtin_func_defs[idx].high_end) || _check_restricted_func(builtin_func_defs[idx].name, skip_function)) {
  10113. idx++;
  10114. continue;
  10115. }
  10116. matches.insert(String(builtin_func_defs[idx].name), ScriptLanguage::CODE_COMPLETION_KIND_FUNCTION);
  10117. idx++;
  10118. }
  10119. } else { // sub-class
  10120. int idx = 0;
  10121. bool low_end = RenderingServer::get_singleton()->is_low_end();
  10122. while (builtin_func_defs[idx].name) {
  10123. if (low_end && builtin_func_defs[idx].high_end) {
  10124. idx++;
  10125. continue;
  10126. }
  10127. if (builtin_func_defs[idx].tag == completion_class) {
  10128. matches.insert(String(builtin_func_defs[idx].name), ScriptLanguage::CODE_COMPLETION_KIND_FUNCTION);
  10129. }
  10130. idx++;
  10131. }
  10132. }
  10133. for (const KeyValue<String, ScriptLanguage::CodeCompletionKind> &E : matches) {
  10134. ScriptLanguage::CodeCompletionOption option(E.key, E.value);
  10135. if (E.value == ScriptLanguage::CODE_COMPLETION_KIND_FUNCTION) {
  10136. option.insert_text += "(";
  10137. }
  10138. r_options->push_back(option);
  10139. }
  10140. return OK;
  10141. } break;
  10142. case COMPLETION_CALL_ARGUMENTS: {
  10143. StringName block_function;
  10144. BlockNode *block = completion_block;
  10145. String calltip;
  10146. while (block) {
  10147. if (block->parent_function) {
  10148. block_function = block->parent_function->name;
  10149. }
  10150. block = block->parent_block;
  10151. }
  10152. for (int i = 0, overload_index = 0; i < shader->vfunctions.size(); i++) {
  10153. if (!shader->vfunctions[i].callable || shader->vfunctions[i].rname != completion_function) {
  10154. continue;
  10155. }
  10156. if (shader->vfunctions[i].function->return_type == TYPE_STRUCT) {
  10157. calltip += String(shader->vfunctions[i].function->return_struct_name);
  10158. } else {
  10159. calltip += get_datatype_name(shader->vfunctions[i].function->return_type);
  10160. }
  10161. if (shader->vfunctions[i].function->return_array_size > 0) {
  10162. calltip += "[";
  10163. calltip += itos(shader->vfunctions[i].function->return_array_size);
  10164. calltip += "]";
  10165. }
  10166. calltip += " ";
  10167. calltip += shader->vfunctions[i].rname;
  10168. calltip += "(";
  10169. for (int j = 0; j < shader->vfunctions[i].function->arguments.size(); j++) {
  10170. if (j > 0) {
  10171. calltip += ", ";
  10172. } else {
  10173. calltip += " ";
  10174. }
  10175. if (j == completion_argument) {
  10176. calltip += char32_t(0xFFFF);
  10177. }
  10178. if (shader->vfunctions[i].function->arguments[j].is_const) {
  10179. calltip += "const ";
  10180. }
  10181. if (shader->vfunctions[i].function->arguments[j].qualifier != ArgumentQualifier::ARGUMENT_QUALIFIER_IN) {
  10182. if (shader->vfunctions[i].function->arguments[j].qualifier == ArgumentQualifier::ARGUMENT_QUALIFIER_OUT) {
  10183. calltip += "out ";
  10184. } else { // ArgumentQualifier::ARGUMENT_QUALIFIER_INOUT
  10185. calltip += "inout ";
  10186. }
  10187. }
  10188. if (shader->vfunctions[i].function->arguments[j].type == TYPE_STRUCT) {
  10189. calltip += String(shader->vfunctions[i].function->arguments[j].struct_name);
  10190. } else {
  10191. calltip += get_datatype_name(shader->vfunctions[i].function->arguments[j].type);
  10192. }
  10193. calltip += " ";
  10194. calltip += shader->vfunctions[i].function->arguments[j].name;
  10195. if (shader->vfunctions[i].function->arguments[j].array_size > 0) {
  10196. calltip += "[";
  10197. calltip += itos(shader->vfunctions[i].function->arguments[j].array_size);
  10198. calltip += "]";
  10199. }
  10200. if (j == completion_argument) {
  10201. calltip += char32_t(0xFFFF);
  10202. }
  10203. }
  10204. if (shader->vfunctions[i].function->arguments.size()) {
  10205. calltip += " ";
  10206. }
  10207. calltip += ")";
  10208. if (overload_index < function_overload_count[shader->vfunctions[i].rname]) {
  10209. overload_index++;
  10210. calltip += "\n";
  10211. continue;
  10212. }
  10213. r_call_hint = calltip;
  10214. return OK;
  10215. }
  10216. if (stages) {
  10217. // Stage functions can be used in custom functions as well, that why need to check them all.
  10218. for (const KeyValue<StringName, FunctionInfo> &S : *stages) {
  10219. for (const KeyValue<StringName, StageFunctionInfo> &E : S.value.stage_functions) {
  10220. // No need to check for the skip function here.
  10221. if (completion_function != E.key) {
  10222. continue;
  10223. }
  10224. calltip += get_datatype_name(E.value.return_type);
  10225. calltip += " ";
  10226. calltip += E.key;
  10227. calltip += "(";
  10228. for (int i = 0; i < E.value.arguments.size(); i++) {
  10229. if (i > 0) {
  10230. calltip += ", ";
  10231. } else {
  10232. calltip += " ";
  10233. }
  10234. if (i == completion_argument) {
  10235. calltip += char32_t(0xFFFF);
  10236. }
  10237. calltip += get_datatype_name(E.value.arguments[i].type);
  10238. calltip += " ";
  10239. calltip += E.value.arguments[i].name;
  10240. if (i == completion_argument) {
  10241. calltip += char32_t(0xFFFF);
  10242. }
  10243. }
  10244. if (E.value.arguments.size()) {
  10245. calltip += " ";
  10246. }
  10247. calltip += ")";
  10248. r_call_hint = calltip;
  10249. return OK;
  10250. }
  10251. }
  10252. }
  10253. int idx = 0;
  10254. bool low_end = RenderingServer::get_singleton()->is_low_end();
  10255. while (builtin_func_defs[idx].name) {
  10256. if ((low_end && builtin_func_defs[idx].high_end) || _check_restricted_func(builtin_func_defs[idx].name, block_function)) {
  10257. idx++;
  10258. continue;
  10259. }
  10260. int idx2 = 0;
  10261. HashSet<int> out_args;
  10262. while (builtin_func_out_args[idx2].name != nullptr) {
  10263. if (builtin_func_out_args[idx2].name == builtin_func_defs[idx].name) {
  10264. for (int i = 0; i < BuiltinFuncOutArgs::MAX_ARGS; i++) {
  10265. int arg = builtin_func_out_args[idx2].arguments[i];
  10266. if (arg == -1) {
  10267. break;
  10268. }
  10269. out_args.insert(arg);
  10270. }
  10271. break;
  10272. }
  10273. idx2++;
  10274. }
  10275. if (completion_function == builtin_func_defs[idx].name) {
  10276. if (builtin_func_defs[idx].tag != completion_class) {
  10277. idx++;
  10278. continue;
  10279. }
  10280. if (calltip.length()) {
  10281. calltip += "\n";
  10282. }
  10283. calltip += get_datatype_name(builtin_func_defs[idx].rettype);
  10284. calltip += " ";
  10285. calltip += builtin_func_defs[idx].name;
  10286. calltip += "(";
  10287. bool found_arg = false;
  10288. for (int i = 0; i < BuiltinFuncDef::MAX_ARGS - 1; i++) {
  10289. if (builtin_func_defs[idx].args[i] == TYPE_VOID) {
  10290. break;
  10291. }
  10292. if (i > 0) {
  10293. calltip += ", ";
  10294. } else {
  10295. calltip += " ";
  10296. }
  10297. if (i == completion_argument) {
  10298. calltip += char32_t(0xFFFF);
  10299. }
  10300. if (out_args.has(i)) {
  10301. calltip += "out ";
  10302. }
  10303. calltip += get_datatype_name(builtin_func_defs[idx].args[i]);
  10304. String arg_name = (String)builtin_func_defs[idx].args_names[i];
  10305. if (!arg_name.is_empty()) {
  10306. calltip += " ";
  10307. calltip += arg_name;
  10308. }
  10309. if (i == completion_argument) {
  10310. calltip += char32_t(0xFFFF);
  10311. }
  10312. found_arg = true;
  10313. }
  10314. if (found_arg) {
  10315. calltip += " ";
  10316. }
  10317. calltip += ")";
  10318. }
  10319. idx++;
  10320. }
  10321. r_call_hint = calltip;
  10322. return OK;
  10323. } break;
  10324. case COMPLETION_INDEX: {
  10325. const char colv[4] = { 'r', 'g', 'b', 'a' };
  10326. const char coordv[4] = { 'x', 'y', 'z', 'w' };
  10327. const char coordt[4] = { 's', 't', 'p', 'q' };
  10328. const String theme_color_names[4] = { "axis_x_color", "axis_y_color", "axis_z_color", "axis_w_color" };
  10329. int limit = 0;
  10330. switch (completion_base) {
  10331. case TYPE_BVEC2:
  10332. case TYPE_IVEC2:
  10333. case TYPE_UVEC2:
  10334. case TYPE_VEC2: {
  10335. limit = 2;
  10336. } break;
  10337. case TYPE_BVEC3:
  10338. case TYPE_IVEC3:
  10339. case TYPE_UVEC3:
  10340. case TYPE_VEC3: {
  10341. limit = 3;
  10342. } break;
  10343. case TYPE_BVEC4:
  10344. case TYPE_IVEC4:
  10345. case TYPE_UVEC4:
  10346. case TYPE_VEC4: {
  10347. limit = 4;
  10348. } break;
  10349. default: {
  10350. }
  10351. }
  10352. for (int i = 0; i < limit; i++) {
  10353. r_options->push_back(ScriptLanguage::CodeCompletionOption(String::chr(colv[i]), ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT, ScriptLanguage::LOCATION_OTHER, theme_color_names[i]));
  10354. r_options->push_back(ScriptLanguage::CodeCompletionOption(String::chr(coordv[i]), ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT, ScriptLanguage::LOCATION_OTHER, theme_color_names[i]));
  10355. r_options->push_back(ScriptLanguage::CodeCompletionOption(String::chr(coordt[i]), ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT, ScriptLanguage::LOCATION_OTHER, theme_color_names[i]));
  10356. }
  10357. } break;
  10358. case COMPLETION_HINT: {
  10359. if (completion_base == DataType::TYPE_VEC3 || completion_base == DataType::TYPE_VEC4) {
  10360. if (current_uniform_hint == ShaderNode::Uniform::HINT_NONE) {
  10361. ScriptLanguage::CodeCompletionOption option("source_color", ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
  10362. r_options->push_back(option);
  10363. }
  10364. } else if ((completion_base == DataType::TYPE_INT || completion_base == DataType::TYPE_FLOAT) && !completion_base_array) {
  10365. if (current_uniform_hint == ShaderNode::Uniform::HINT_NONE) {
  10366. Vector<String> options;
  10367. if (completion_base == DataType::TYPE_INT) {
  10368. options.push_back("hint_range(0, 100, 1)");
  10369. options.push_back("hint_enum(\"Zero\", \"One\", \"Two\")");
  10370. } else {
  10371. options.push_back("hint_range(0.0, 1.0, 0.1)");
  10372. }
  10373. for (const String &option_text : options) {
  10374. String hint_name = option_text.substr(0, option_text.find_char(char32_t('(')));
  10375. ScriptLanguage::CodeCompletionOption option(hint_name, ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
  10376. option.insert_text = option_text;
  10377. r_options->push_back(option);
  10378. }
  10379. }
  10380. } else if ((int(completion_base) > int(TYPE_MAT4) && int(completion_base) < int(TYPE_STRUCT))) {
  10381. Vector<String> options;
  10382. if (current_uniform_filter == FILTER_DEFAULT) {
  10383. options.push_back("filter_linear");
  10384. options.push_back("filter_linear_mipmap");
  10385. options.push_back("filter_linear_mipmap_anisotropic");
  10386. options.push_back("filter_nearest");
  10387. options.push_back("filter_nearest_mipmap");
  10388. options.push_back("filter_nearest_mipmap_anisotropic");
  10389. }
  10390. if (current_uniform_repeat == REPEAT_DEFAULT) {
  10391. options.push_back("repeat_enable");
  10392. options.push_back("repeat_disable");
  10393. }
  10394. if (completion_base_array) {
  10395. if (current_uniform_hint == ShaderNode::Uniform::HINT_NONE) {
  10396. options.push_back("source_color");
  10397. }
  10398. } else {
  10399. if (current_uniform_hint == ShaderNode::Uniform::HINT_NONE) {
  10400. options.push_back("hint_anisotropy");
  10401. options.push_back("hint_default_black");
  10402. options.push_back("hint_default_white");
  10403. options.push_back("hint_default_transparent");
  10404. options.push_back("hint_normal");
  10405. options.push_back("hint_roughness_a");
  10406. options.push_back("hint_roughness_b");
  10407. options.push_back("hint_roughness_g");
  10408. options.push_back("hint_roughness_gray");
  10409. options.push_back("hint_roughness_normal");
  10410. options.push_back("hint_roughness_r");
  10411. options.push_back("hint_screen_texture");
  10412. options.push_back("hint_normal_roughness_texture");
  10413. options.push_back("hint_depth_texture");
  10414. options.push_back("source_color");
  10415. }
  10416. }
  10417. for (int i = 0; i < options.size(); i++) {
  10418. ScriptLanguage::CodeCompletionOption option(options[i], ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
  10419. r_options->push_back(option);
  10420. }
  10421. }
  10422. if (!completion_base_array && !current_uniform_instance_index_defined) {
  10423. ScriptLanguage::CodeCompletionOption option("instance_index", ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
  10424. option.insert_text = "instance_index(0)";
  10425. r_options->push_back(option);
  10426. }
  10427. } break;
  10428. }
  10429. return ERR_PARSE_ERROR;
  10430. }
  10431. String ShaderLanguage::get_error_text() {
  10432. return error_str;
  10433. }
  10434. Vector<ShaderLanguage::FilePosition> ShaderLanguage::get_include_positions() {
  10435. return include_positions;
  10436. }
  10437. int ShaderLanguage::get_error_line() {
  10438. return error_line;
  10439. }
  10440. ShaderLanguage::ShaderNode *ShaderLanguage::get_shader() {
  10441. return shader;
  10442. }
  10443. ShaderLanguage::ShaderLanguage() {
  10444. nodes = nullptr;
  10445. completion_class = TAG_GLOBAL;
  10446. if (instance_counter.get() == 0) {
  10447. int idx = 0;
  10448. while (builtin_func_defs[idx].name) {
  10449. if (builtin_func_defs[idx].tag == SubClassTag::TAG_GLOBAL) {
  10450. global_func_set.insert(builtin_func_defs[idx].name);
  10451. }
  10452. idx++;
  10453. }
  10454. }
  10455. instance_counter.increment();
  10456. #ifdef DEBUG_ENABLED
  10457. warnings_check_map.insert(ShaderWarning::UNUSED_CONSTANT, &used_constants);
  10458. warnings_check_map.insert(ShaderWarning::UNUSED_FUNCTION, &used_functions);
  10459. warnings_check_map.insert(ShaderWarning::UNUSED_STRUCT, &used_structs);
  10460. warnings_check_map.insert(ShaderWarning::UNUSED_UNIFORM, &used_uniforms);
  10461. warnings_check_map.insert(ShaderWarning::UNUSED_VARYING, &used_varyings);
  10462. warnings_check_map2.insert(ShaderWarning::UNUSED_LOCAL_VARIABLE, &used_local_vars);
  10463. #endif // DEBUG_ENABLED
  10464. }
  10465. ShaderLanguage::~ShaderLanguage() {
  10466. clear();
  10467. instance_counter.decrement();
  10468. if (instance_counter.get() == 0) {
  10469. global_func_set.clear();
  10470. }
  10471. }