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shader_types.cpp

shader_types.cpp 38 KB
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  1. /*************************************************************************/
    2. 

  2. /*  shader_types.cpp                                                     */
    3. 

  3. /*************************************************************************/
    4. 

  4. /*                       This file is part of:                           */
    5. 

  5. /*                           GODOT ENGINE                                */
    6. 

  6. /*                      https://godotengine.org                          */
    7. 

  7. /*************************************************************************/
    8. 

  8. /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
    9. 

  9. /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
    10. 

  10. /*                                                                       */
    11. 

  11. /* Permission is hereby granted, free of charge, to any person obtaining */
    12. 

  12. /* a copy of this software and associated documentation files (the       */
    13. 

  13. /* "Software"), to deal in the Software without restriction, including   */
    14. 

  14. /* without limitation the rights to use, copy, modify, merge, publish,   */
    15. 

  15. /* distribute, sublicense, and/or sell copies of the Software, and to    */
    16. 

  16. /* permit persons to whom the Software is furnished to do so, subject to */
    17. 

  17. /* the following conditions:                                             */
    18. 

  18. /*                                                                       */
    19. 

  19. /* The above copyright notice and this permission notice shall be        */
    20. 

  20. /* included in all copies or substantial portions of the Software.       */
    21. 

  21. /*                                                                       */
    22. 

  22. /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
    23. 

  23. /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
    24. 

  24. /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
    25. 

  25. /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
    26. 

  26. /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
    27. 

  27. /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
    28. 

  28. /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
    29. 

  29. /*************************************************************************/
    30. 

  30. 

  31. #include "shader_types.h"
    32. 

  32. #include "core/math/math_defs.h"
    33. 

  33. 

  34. const Map<StringName, ShaderLanguage::FunctionInfo> &ShaderTypes::get_functions(RS::ShaderMode p_mode) const {
    35. 

  35. 	return shader_modes[p_mode].functions;
    36. 

  36. }
    37. 

  37. 

  38. const Vector<ShaderLanguage::ModeInfo> &ShaderTypes::get_modes(RS::ShaderMode p_mode) const {
    39. 

  39. 	return shader_modes[p_mode].modes;
    40. 

  40. }
    41. 

  41. 

  42. const Set<String> &ShaderTypes::get_types() const {
    43. 

  43. 	return shader_types;
    44. 

  44. }
    45. 

  45. 

  46. const List<String> &ShaderTypes::get_types_list() const {
    47. 

  47. 	return shader_types_list;
    48. 

  48. }
    49. 

  49. 

  50. ShaderTypes *ShaderTypes::singleton = nullptr;
    51. 

  51. 

  52. static ShaderLanguage::BuiltInInfo constt(ShaderLanguage::DataType p_type) {
    53. 

  53. 	return ShaderLanguage::BuiltInInfo(p_type, true);
    54. 

  54. }
    55. 

  55. 

  56. ShaderTypes::ShaderTypes() {
    57. 

  57. 	singleton = this;
    58. 

  58. 

  59. 	/*************** SPATIAL ***********************/
    60. 

  60. 

  61. 	shader_modes[RS::SHADER_SPATIAL].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    62. 

  62. 	shader_modes[RS::SHADER_SPATIAL].functions["constants"].built_ins["PI"] = constt(ShaderLanguage::TYPE_FLOAT);
    63. 

  63. 	shader_modes[RS::SHADER_SPATIAL].functions["constants"].built_ins["TAU"] = constt(ShaderLanguage::TYPE_FLOAT);
    64. 

  64. 	shader_modes[RS::SHADER_SPATIAL].functions["constants"].built_ins["E"] = constt(ShaderLanguage::TYPE_FLOAT);
    65. 

  65. 

  66. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VERTEX"] = ShaderLanguage::TYPE_VEC3;
    67. 

  67. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["NORMAL"] = ShaderLanguage::TYPE_VEC3;
    68. 

  68. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["TANGENT"] = ShaderLanguage::TYPE_VEC3;
    69. 

  69. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["BINORMAL"] = ShaderLanguage::TYPE_VEC3;
    70. 

  70. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["POSITION"] = ShaderLanguage::TYPE_VEC4;
    71. 

  71. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["UV"] = ShaderLanguage::TYPE_VEC2;
    72. 

  72. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["UV2"] = ShaderLanguage::TYPE_VEC2;
    73. 

  73. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4;
    74. 

  74. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["POINT_SIZE"] = ShaderLanguage::TYPE_FLOAT;
    75. 

  75. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["INSTANCE_ID"] = constt(ShaderLanguage::TYPE_INT);
    76. 

  76. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["INSTANCE_CUSTOM"] = constt(ShaderLanguage::TYPE_VEC4);
    77. 

  77. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["ROUGHNESS"] = ShaderLanguage::TYPE_FLOAT;
    78. 

  78. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["BONE_INDICES"] = ShaderLanguage::TYPE_UVEC4;
    79. 

  79. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["BONE_WEIGHTS"] = ShaderLanguage::TYPE_VEC4;
    80. 

  80. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CUSTOM0"] = ShaderLanguage::TYPE_VEC4;
    81. 

  81. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CUSTOM1"] = ShaderLanguage::TYPE_VEC4;
    82. 

  82. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CUSTOM2"] = ShaderLanguage::TYPE_VEC4;
    83. 

  83. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CUSTOM3"] = ShaderLanguage::TYPE_VEC4;
    84. 

  84. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].can_discard = false;
    85. 

  85. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].main_function = true;
    86. 

  86. 

  87. 	//builtins
    88. 

  88. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["WORLD_MATRIX"] = ShaderLanguage::TYPE_MAT4;
    89. 

  89. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["WORLD_NORMAL_MATRIX"] = ShaderLanguage::TYPE_MAT3;
    90. 

  90. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["INV_CAMERA_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    91. 

  91. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CAMERA_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    92. 

  92. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["PROJECTION_MATRIX"] = ShaderLanguage::TYPE_MAT4;
    93. 

  93. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["INV_PROJECTION_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    94. 

  94. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["MODELVIEW_MATRIX"] = ShaderLanguage::TYPE_MAT4;
    95. 

  95. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["MODELVIEW_NORMAL_MATRIX"] = ShaderLanguage::TYPE_MAT3;
    96. 

  96. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VIEWPORT_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    97. 

  97. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["OUTPUT_IS_SRGB"] = constt(ShaderLanguage::TYPE_BOOL);
    98. 

  98. 

  99. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VIEW_INDEX"] = constt(ShaderLanguage::TYPE_INT);
    100. 

  100. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VIEW_MONO_LEFT"] = constt(ShaderLanguage::TYPE_INT);
    101. 

  101. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VIEW_RIGHT"] = constt(ShaderLanguage::TYPE_INT);
    102. 

  102. 

  103. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VERTEX"] = constt(ShaderLanguage::TYPE_VEC3);
    104. 

  104. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["FRAGCOORD"] = constt(ShaderLanguage::TYPE_VEC4);
    105. 

  105. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["FRONT_FACING"] = constt(ShaderLanguage::TYPE_BOOL);
    106. 

  106. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["NORMAL"] = ShaderLanguage::TYPE_VEC3;
    107. 

  107. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["TANGENT"] = ShaderLanguage::TYPE_VEC3;
    108. 

  108. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["BINORMAL"] = ShaderLanguage::TYPE_VEC3;
    109. 

  109. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEW"] = constt(ShaderLanguage::TYPE_VEC3);
    110. 

  110. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["NORMAL_MAP"] = ShaderLanguage::TYPE_VEC3;
    111. 

  111. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["NORMAL_MAP_DEPTH"] = ShaderLanguage::TYPE_FLOAT;
    112. 

  112. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["UV"] = constt(ShaderLanguage::TYPE_VEC2);
    113. 

  113. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["UV2"] = constt(ShaderLanguage::TYPE_VEC2);
    114. 

  114. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
    115. 

  115. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALBEDO"] = ShaderLanguage::TYPE_VEC3;
    116. 

  116. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA"] = ShaderLanguage::TYPE_FLOAT;
    117. 

  117. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["METALLIC"] = ShaderLanguage::TYPE_FLOAT;
    118. 

  118. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SPECULAR"] = ShaderLanguage::TYPE_FLOAT;
    119. 

  119. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ROUGHNESS"] = ShaderLanguage::TYPE_FLOAT;
    120. 

  120. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["RIM"] = ShaderLanguage::TYPE_FLOAT;
    121. 

  121. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["RIM_TINT"] = ShaderLanguage::TYPE_FLOAT;
    122. 

  122. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["CLEARCOAT"] = ShaderLanguage::TYPE_FLOAT;
    123. 

  123. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["CLEARCOAT_GLOSS"] = ShaderLanguage::TYPE_FLOAT;
    124. 

  124. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ANISOTROPY"] = ShaderLanguage::TYPE_FLOAT;
    125. 

  125. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ANISOTROPY_FLOW"] = ShaderLanguage::TYPE_VEC2;
    126. 

  126. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SSS_STRENGTH"] = ShaderLanguage::TYPE_FLOAT;
    127. 

  127. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SSS_TRANSMITTANCE_COLOR"] = ShaderLanguage::TYPE_VEC4;
    128. 

  128. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SSS_TRANSMITTANCE_DEPTH"] = ShaderLanguage::TYPE_FLOAT;
    129. 

  129. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SSS_TRANSMITTANCE_BOOST"] = ShaderLanguage::TYPE_FLOAT;
    130. 

  130. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["BACKLIGHT"] = ShaderLanguage::TYPE_VEC3;
    131. 

  131. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["AO"] = ShaderLanguage::TYPE_FLOAT;
    132. 

  132. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["AO_LIGHT_AFFECT"] = ShaderLanguage::TYPE_FLOAT;
    133. 

  133. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["EMISSION"] = ShaderLanguage::TYPE_VEC3;
    134. 

  134. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SCREEN_TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    135. 

  135. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["NORMAL_ROUGHNESS_TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    136. 

  136. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["DEPTH_TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    137. 

  137. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["DEPTH"] = ShaderLanguage::TYPE_FLOAT;
    138. 

  138. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SCREEN_UV"] = constt(ShaderLanguage::TYPE_VEC2);
    139. 

  139. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["POINT_COORD"] = constt(ShaderLanguage::TYPE_VEC2);
    140. 

  140. 

  141. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEW_INDEX"] = constt(ShaderLanguage::TYPE_INT);
    142. 

  142. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEW_MONO_LEFT"] = constt(ShaderLanguage::TYPE_INT);
    143. 

  143. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEW_RIGHT"] = constt(ShaderLanguage::TYPE_INT);
    144. 

  144. 

  145. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["OUTPUT_IS_SRGB"] = constt(ShaderLanguage::TYPE_BOOL);
    146. 

  146. 

  147. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["WORLD_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    148. 

  148. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["WORLD_NORMAL_MATRIX"] = constt(ShaderLanguage::TYPE_MAT3);
    149. 

  149. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["INV_CAMERA_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    150. 

  150. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["CAMERA_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    151. 

  151. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["PROJECTION_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    152. 

  152. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["INV_PROJECTION_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    153. 

  153. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEWPORT_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    154. 

  154. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["FOG"] = ShaderLanguage::TYPE_VEC4; // TODO consider adding to light shader
    155. 

  155. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["RADIANCE"] = ShaderLanguage::TYPE_VEC4;
    156. 

  156. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["IRRADIANCE"] = ShaderLanguage::TYPE_VEC4;
    157. 

  157. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].can_discard = true;
    158. 

  158. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].main_function = true;
    159. 

  159. 

  160. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_SCISSOR_THRESHOLD"] = ShaderLanguage::TYPE_FLOAT;
    161. 

  161. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_HASH_SCALE"] = ShaderLanguage::TYPE_FLOAT;
    162. 

  162. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_ANTIALIASING_EDGE"] = ShaderLanguage::TYPE_FLOAT;
    163. 

  163. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_TEXTURE_COORDINATE"] = ShaderLanguage::TYPE_VEC2;
    164. 

  164. 

  165. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["WORLD_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    166. 

  166. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["INV_CAMERA_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    167. 

  167. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["CAMERA_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    168. 

  168. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["PROJECTION_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    169. 

  169. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["INV_PROJECTION_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    170. 

  170. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["VIEWPORT_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    171. 

  171. 

  172. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["FRAGCOORD"] = constt(ShaderLanguage::TYPE_VEC4);
    173. 

  173. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["NORMAL"] = constt(ShaderLanguage::TYPE_VEC3);
    174. 

  174. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["UV"] = constt(ShaderLanguage::TYPE_VEC2);
    175. 

  175. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["UV2"] = constt(ShaderLanguage::TYPE_VEC2);
    176. 

  176. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["VIEW"] = constt(ShaderLanguage::TYPE_VEC3);
    177. 

  177. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["LIGHT"] = constt(ShaderLanguage::TYPE_VEC3);
    178. 

  178. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["LIGHT_COLOR"] = constt(ShaderLanguage::TYPE_VEC3);
    179. 

  179. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["ATTENUATION"] = constt(ShaderLanguage::TYPE_FLOAT);
    180. 

  180. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["SHADOW_ATTENUATION"] = constt(ShaderLanguage::TYPE_VEC3);
    181. 

  181. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["ALBEDO"] = constt(ShaderLanguage::TYPE_VEC3);
    182. 

  182. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["BACKLIGHT"] = constt(ShaderLanguage::TYPE_VEC3);
    183. 

  183. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["METALLIC"] = constt(ShaderLanguage::TYPE_FLOAT);
    184. 

  184. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["ROUGHNESS"] = constt(ShaderLanguage::TYPE_FLOAT);
    185. 

  185. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["DIFFUSE_LIGHT"] = ShaderLanguage::TYPE_VEC3;
    186. 

  186. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["SPECULAR_LIGHT"] = ShaderLanguage::TYPE_VEC3;
    187. 

  187. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["OUTPUT_IS_SRGB"] = constt(ShaderLanguage::TYPE_BOOL);
    188. 

  188. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["ALPHA"] = ShaderLanguage::TYPE_FLOAT;
    189. 

  189. 

  190. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].can_discard = true;
    191. 

  191. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].main_function = true;
    192. 

  192. 

  193. 	// spatial render modes
    194. 

  194. 	{
    195. 

  195. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "blend", "mix", "add", "sub", "mul" });
    196. 

  196. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "depth_draw", "opaque", "always", "never" });
    197. 

  197. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "depth_prepass_alpha" });
    198. 

  198. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "depth_test_disabled" });
    199. 

  199. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "sss_mode_skin" });
    200. 

  200. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "cull", "back", "front", "disabled" });
    201. 

  201. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "unshaded" });
    202. 

  202. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "wireframe" });
    203. 

  203. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "diffuse", "lambert", "lambert_wrap", "burley", "toon" });
    204. 

  204. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "specular", "schlick_ggx", "blinn", "phong", "toon", "disabled" });
    205. 

  205. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "skip_vertex_transform" });
    206. 

  206. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "world_vertex_coords" });
    207. 

  207. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "ensure_correct_normals" });
    208. 

  208. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "shadows_disabled" });
    209. 

  209. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "ambient_light_disabled" });
    210. 

  210. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "shadow_to_opacity" });
    211. 

  211. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "vertex_lighting" });
    212. 

  212. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "particle_trails" });
    213. 

  213. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "alpha_to_coverage" });
    214. 

  214. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ "alpha_to_coverage_and_one" });
    215. 

  215. 	}
    216. 

  216. 

  217. 	/************ CANVAS ITEM **************************/
    218. 

  218. 

  219. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    220. 

  220. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["constants"].built_ins["PI"] = constt(ShaderLanguage::TYPE_FLOAT);
    221. 

  221. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["constants"].built_ins["TAU"] = constt(ShaderLanguage::TYPE_FLOAT);
    222. 

  222. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["constants"].built_ins["E"] = constt(ShaderLanguage::TYPE_FLOAT);
    223. 

  223. 

  224. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["VERTEX"] = ShaderLanguage::TYPE_VEC2;
    225. 

  225. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["UV"] = ShaderLanguage::TYPE_VEC2;
    226. 

  226. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4;
    227. 

  227. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["POINT_SIZE"] = ShaderLanguage::TYPE_FLOAT;
    228. 

  228. 

  229. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["WORLD_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    230. 

  230. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["CANVAS_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    231. 

  231. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["SCREEN_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    232. 

  232. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["INSTANCE_CUSTOM"] = constt(ShaderLanguage::TYPE_VEC4);
    233. 

  233. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["AT_LIGHT_PASS"] = constt(ShaderLanguage::TYPE_BOOL);
    234. 

  234. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["TEXTURE_PIXEL_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    235. 

  235. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].can_discard = false;
    236. 

  236. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].main_function = true;
    237. 

  237. 

  238. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["VERTEX"] = ShaderLanguage::TYPE_VEC2;
    239. 

  239. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["SHADOW_VERTEX"] = ShaderLanguage::TYPE_VEC2;
    240. 

  240. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["LIGHT_VERTEX"] = ShaderLanguage::TYPE_VEC3;
    241. 

  241. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["FRAGCOORD"] = constt(ShaderLanguage::TYPE_VEC4);
    242. 

  242. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["NORMAL"] = ShaderLanguage::TYPE_VEC3;
    243. 

  243. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["NORMAL_MAP"] = ShaderLanguage::TYPE_VEC3;
    244. 

  244. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["NORMAL_MAP_DEPTH"] = ShaderLanguage::TYPE_FLOAT;
    245. 

  245. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["UV"] = constt(ShaderLanguage::TYPE_VEC2);
    246. 

  246. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4;
    247. 

  247. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    248. 

  248. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["TEXTURE_PIXEL_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    249. 

  249. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["NORMAL_TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    250. 

  250. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["SPECULAR_SHININESS_TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    251. 

  251. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["SPECULAR_SHININESS"] = constt(ShaderLanguage::TYPE_VEC4);
    252. 

  252. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["SCREEN_UV"] = constt(ShaderLanguage::TYPE_VEC2);
    253. 

  253. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["SCREEN_PIXEL_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    254. 

  254. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["POINT_COORD"] = constt(ShaderLanguage::TYPE_VEC2);
    255. 

  255. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["AT_LIGHT_PASS"] = constt(ShaderLanguage::TYPE_BOOL);
    256. 

  256. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["SCREEN_TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    257. 

  257. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].can_discard = true;
    258. 

  258. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].main_function = true;
    259. 

  259. 

  260. 	{
    261. 

  261. 		ShaderLanguage::StageFunctionInfo func;
    262. 

  262. 		func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("sdf_pos", ShaderLanguage::TYPE_VEC2));
    263. 

  263. 		func.return_type = ShaderLanguage::TYPE_FLOAT; //whether it could emit
    264. 

  264. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].stage_functions["texture_sdf"] = func;
    265. 

  265. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].stage_functions["texture_sdf"] = func;
    266. 

  266. 		func.return_type = ShaderLanguage::TYPE_VEC2; //whether it could emit
    267. 

  267. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].stage_functions["sdf_to_screen_uv"] = func;
    268. 

  268. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].stage_functions["sdf_to_screen_uv"] = func;
    269. 

  269. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].stage_functions["texture_sdf_normal"] = func;
    270. 

  270. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].stage_functions["texture_sdf_normal"] = func;
    271. 

  271. 	}
    272. 

  272. 

  273. 	{
    274. 

  274. 		ShaderLanguage::StageFunctionInfo func;
    275. 

  275. 		func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("uv", ShaderLanguage::TYPE_VEC2));
    276. 

  276. 		func.return_type = ShaderLanguage::TYPE_VEC2; //whether it could emit
    277. 

  277. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].stage_functions["screen_uv_to_sdf"] = func;
    278. 

  278. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].stage_functions["screen_uv_to_sdf"] = func;
    279. 

  279. 	}
    280. 

  280. 

  281. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["FRAGCOORD"] = constt(ShaderLanguage::TYPE_VEC4);
    282. 

  282. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["NORMAL"] = constt(ShaderLanguage::TYPE_VEC3);
    283. 

  283. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
    284. 

  284. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["UV"] = constt(ShaderLanguage::TYPE_VEC2);
    285. 

  285. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["SPECULAR_SHININESS"] = constt(ShaderLanguage::TYPE_VEC4);
    286. 

  286. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
    287. 

  287. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_POSITION"] = constt(ShaderLanguage::TYPE_VEC3);
    288. 

  288. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_VERTEX"] = constt(ShaderLanguage::TYPE_VEC3);
    289. 

  289. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT"] = ShaderLanguage::TYPE_VEC4;
    290. 

  290. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["SHADOW_MODULATE"] = ShaderLanguage::TYPE_VEC4;
    291. 

  291. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["SCREEN_UV"] = constt(ShaderLanguage::TYPE_VEC2);
    292. 

  292. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    293. 

  293. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["TEXTURE_PIXEL_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    294. 

  294. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["POINT_COORD"] = constt(ShaderLanguage::TYPE_VEC2);
    295. 

  295. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].can_discard = true;
    296. 

  296. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].main_function = true;
    297. 

  297. 

  298. 	// canvasitem render modes
    299. 

  299. 	{
    300. 

  300. 		shader_modes[RS::SHADER_CANVAS_ITEM].modes.push_back({ "skip_vertex_transform" });
    301. 

  301. 		shader_modes[RS::SHADER_CANVAS_ITEM].modes.push_back({ "blend", "mix", "add", "sub", "mul", "premul_alpha", "disabled" });
    302. 

  302. 		shader_modes[RS::SHADER_CANVAS_ITEM].modes.push_back({ "unshaded" });
    303. 

  303. 		shader_modes[RS::SHADER_CANVAS_ITEM].modes.push_back({ "light_only" });
    304. 

  304. 	}
    305. 

  305. 

  306. 	/************ PARTICLES **************************/
    307. 

  307. 

  308. 	shader_modes[RS::SHADER_PARTICLES].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    309. 

  309. 	shader_modes[RS::SHADER_PARTICLES].functions["constants"].built_ins["PI"] = constt(ShaderLanguage::TYPE_FLOAT);
    310. 

  310. 	shader_modes[RS::SHADER_PARTICLES].functions["constants"].built_ins["TAU"] = constt(ShaderLanguage::TYPE_FLOAT);
    311. 

  311. 	shader_modes[RS::SHADER_PARTICLES].functions["constants"].built_ins["E"] = constt(ShaderLanguage::TYPE_FLOAT);
    312. 

  312. 

  313. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4;
    314. 

  314. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["VELOCITY"] = ShaderLanguage::TYPE_VEC3;
    315. 

  315. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["MASS"] = ShaderLanguage::TYPE_FLOAT;
    316. 

  316. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["ACTIVE"] = ShaderLanguage::TYPE_BOOL;
    317. 

  317. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["CUSTOM"] = ShaderLanguage::TYPE_VEC4;
    318. 

  318. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["TRANSFORM"] = ShaderLanguage::TYPE_MAT4;
    319. 

  319. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["LIFETIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    320. 

  320. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["DELTA"] = constt(ShaderLanguage::TYPE_FLOAT);
    321. 

  321. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["NUMBER"] = constt(ShaderLanguage::TYPE_UINT);
    322. 

  322. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["INDEX"] = constt(ShaderLanguage::TYPE_UINT);
    323. 

  323. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["EMISSION_TRANSFORM"] = constt(ShaderLanguage::TYPE_MAT4);
    324. 

  324. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RANDOM_SEED"] = constt(ShaderLanguage::TYPE_UINT);
    325. 

  325. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_POSITION"] = constt(ShaderLanguage::TYPE_BOOL);
    326. 

  326. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_ROT_SCALE"] = constt(ShaderLanguage::TYPE_BOOL);
    327. 

  327. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_VELOCITY"] = constt(ShaderLanguage::TYPE_BOOL);
    328. 

  328. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_COLOR"] = constt(ShaderLanguage::TYPE_BOOL);
    329. 

  329. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_CUSTOM"] = constt(ShaderLanguage::TYPE_BOOL);
    330. 

  330. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].main_function = true;
    331. 

  331. 

  332. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4;
    333. 

  333. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["VELOCITY"] = ShaderLanguage::TYPE_VEC3;
    334. 

  334. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["MASS"] = ShaderLanguage::TYPE_FLOAT;
    335. 

  335. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["ACTIVE"] = ShaderLanguage::TYPE_BOOL;
    336. 

  336. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["RESTART"] = constt(ShaderLanguage::TYPE_BOOL);
    337. 

  337. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["CUSTOM"] = ShaderLanguage::TYPE_VEC4;
    338. 

  338. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["TRANSFORM"] = ShaderLanguage::TYPE_MAT4;
    339. 

  339. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["LIFETIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    340. 

  340. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["DELTA"] = constt(ShaderLanguage::TYPE_FLOAT);
    341. 

  341. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["NUMBER"] = constt(ShaderLanguage::TYPE_UINT);
    342. 

  342. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["INDEX"] = constt(ShaderLanguage::TYPE_UINT);
    343. 

  343. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["EMISSION_TRANSFORM"] = constt(ShaderLanguage::TYPE_MAT4);
    344. 

  344. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["RANDOM_SEED"] = constt(ShaderLanguage::TYPE_UINT);
    345. 

  345. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_POSITION"] = constt(ShaderLanguage::TYPE_UINT);
    346. 

  346. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_ROT_SCALE"] = constt(ShaderLanguage::TYPE_UINT);
    347. 

  347. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_VELOCITY"] = constt(ShaderLanguage::TYPE_UINT);
    348. 

  348. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_COLOR"] = constt(ShaderLanguage::TYPE_UINT);
    349. 

  349. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_CUSTOM"] = constt(ShaderLanguage::TYPE_UINT);
    350. 

  350. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLLIDED"] = constt(ShaderLanguage::TYPE_BOOL);
    351. 

  351. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLLISION_NORMAL"] = constt(ShaderLanguage::TYPE_VEC3);
    352. 

  352. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLLISION_DEPTH"] = constt(ShaderLanguage::TYPE_FLOAT);
    353. 

  353. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["ATTRACTOR_FORCE"] = constt(ShaderLanguage::TYPE_VEC3);
    354. 

  354. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].main_function = true;
    355. 

  355. 

  356. 	{
    357. 

  357. 		ShaderLanguage::StageFunctionInfo emit_vertex_func;
    358. 

  358. 		emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("xform", ShaderLanguage::TYPE_MAT4));
    359. 

  359. 		emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("velocity", ShaderLanguage::TYPE_VEC3));
    360. 

  360. 		emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("color", ShaderLanguage::TYPE_VEC4));
    361. 

  361. 		emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("custom", ShaderLanguage::TYPE_VEC4));
    362. 

  362. 		emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("flags", ShaderLanguage::TYPE_UINT));
    363. 

  363. 		emit_vertex_func.return_type = ShaderLanguage::TYPE_BOOL; //whether it could emit
    364. 

  364. 		shader_modes[RS::SHADER_PARTICLES].functions["process"].stage_functions["emit_subparticle"] = emit_vertex_func;
    365. 

  365. 	}
    366. 

  366. 

  367. 	// particles render modes
    368. 

  368. 	{
    369. 

  369. 		shader_modes[RS::SHADER_PARTICLES].modes.push_back({ "collision_use_scale" });
    370. 

  370. 		shader_modes[RS::SHADER_PARTICLES].modes.push_back({ "disable_force" });
    371. 

  371. 		shader_modes[RS::SHADER_PARTICLES].modes.push_back({ "disable_velocity" });
    372. 

  372. 		shader_modes[RS::SHADER_PARTICLES].modes.push_back({ "keep_data" });
    373. 

  373. 	}
    374. 

  374. 

  375. 	/************ SKY **************************/
    376. 

  376. 

  377. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    378. 

  378. 	shader_modes[RS::SHADER_SKY].functions["constants"].built_ins["PI"] = constt(ShaderLanguage::TYPE_FLOAT);
    379. 

  379. 	shader_modes[RS::SHADER_SKY].functions["constants"].built_ins["TAU"] = constt(ShaderLanguage::TYPE_FLOAT);
    380. 

  380. 	shader_modes[RS::SHADER_SKY].functions["constants"].built_ins["E"] = constt(ShaderLanguage::TYPE_FLOAT);
    381. 

  381. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["POSITION"] = constt(ShaderLanguage::TYPE_VEC3);
    382. 

  382. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["RADIANCE"] = constt(ShaderLanguage::TYPE_SAMPLERCUBE);
    383. 

  383. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["AT_HALF_RES_PASS"] = constt(ShaderLanguage::TYPE_BOOL);
    384. 

  384. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["AT_QUARTER_RES_PASS"] = constt(ShaderLanguage::TYPE_BOOL);
    385. 

  385. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["AT_CUBEMAP_PASS"] = constt(ShaderLanguage::TYPE_BOOL);
    386. 

  386. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT0_ENABLED"] = constt(ShaderLanguage::TYPE_BOOL);
    387. 

  387. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT0_DIRECTION"] = constt(ShaderLanguage::TYPE_VEC3);
    388. 

  388. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT0_ENERGY"] = constt(ShaderLanguage::TYPE_FLOAT);
    389. 

  389. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT0_COLOR"] = constt(ShaderLanguage::TYPE_VEC3);
    390. 

  390. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT0_SIZE"] = constt(ShaderLanguage::TYPE_FLOAT);
    391. 

  391. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT1_ENABLED"] = constt(ShaderLanguage::TYPE_BOOL);
    392. 

  392. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT1_DIRECTION"] = constt(ShaderLanguage::TYPE_VEC3);
    393. 

  393. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT1_ENERGY"] = constt(ShaderLanguage::TYPE_FLOAT);
    394. 

  394. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT1_COLOR"] = constt(ShaderLanguage::TYPE_VEC3);
    395. 

  395. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT1_SIZE"] = constt(ShaderLanguage::TYPE_FLOAT);
    396. 

  396. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT2_ENABLED"] = constt(ShaderLanguage::TYPE_BOOL);
    397. 

  397. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT2_DIRECTION"] = constt(ShaderLanguage::TYPE_VEC3);
    398. 

  398. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT2_ENERGY"] = constt(ShaderLanguage::TYPE_FLOAT);
    399. 

  399. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT2_COLOR"] = constt(ShaderLanguage::TYPE_VEC3);
    400. 

  400. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT2_SIZE"] = constt(ShaderLanguage::TYPE_FLOAT);
    401. 

  401. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT3_ENABLED"] = constt(ShaderLanguage::TYPE_BOOL);
    402. 

  402. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT3_DIRECTION"] = constt(ShaderLanguage::TYPE_VEC3);
    403. 

  403. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT3_ENERGY"] = constt(ShaderLanguage::TYPE_FLOAT);
    404. 

  404. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT3_COLOR"] = constt(ShaderLanguage::TYPE_VEC3);
    405. 

  405. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT3_SIZE"] = constt(ShaderLanguage::TYPE_FLOAT);
    406. 

  406. 

  407. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC3;
    408. 

  408. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["ALPHA"] = ShaderLanguage::TYPE_FLOAT;
    409. 

  409. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["EYEDIR"] = constt(ShaderLanguage::TYPE_VEC3);
    410. 

  410. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["SCREEN_UV"] = constt(ShaderLanguage::TYPE_VEC2);
    411. 

  411. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["SKY_COORDS"] = constt(ShaderLanguage::TYPE_VEC2);
    412. 

  412. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["HALF_RES_COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
    413. 

  413. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["QUARTER_RES_COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
    414. 

  414. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["FOG"] = ShaderLanguage::TYPE_VEC4;
    415. 

  415. 	shader_modes[RS::SHADER_SKY].functions["sky"].main_function = true;
    416. 

  416. 

  417. 	// sky render modes
    418. 

  418. 	{
    419. 

  419. 		shader_modes[RS::SHADER_SKY].modes.push_back({ "use_half_res_pass" });
    420. 

  420. 		shader_modes[RS::SHADER_SKY].modes.push_back({ "use_quarter_res_pass" });
    421. 

  421. 		shader_modes[RS::SHADER_SKY].modes.push_back({ "disable_fog" });
    422. 

  422. 	}
    423. 

  423. 

  424. 	/************ FOG **************************/
    425. 

  425. 

  426. 	shader_modes[RS::SHADER_FOG].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    427. 

  427. 	shader_modes[RS::SHADER_FOG].functions["constants"].built_ins["PI"] = constt(ShaderLanguage::TYPE_FLOAT);
    428. 

  428. 	shader_modes[RS::SHADER_FOG].functions["constants"].built_ins["TAU"] = constt(ShaderLanguage::TYPE_FLOAT);
    429. 

  429. 	shader_modes[RS::SHADER_FOG].functions["constants"].built_ins["E"] = constt(ShaderLanguage::TYPE_FLOAT);
    430. 

  430. 

  431. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["WORLD_POSITION"] = constt(ShaderLanguage::TYPE_VEC3);
    432. 

  432. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["OBJECT_POSITION"] = constt(ShaderLanguage::TYPE_VEC3);
    433. 

  433. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["UVW"] = constt(ShaderLanguage::TYPE_VEC3);
    434. 

  434. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["EXTENTS"] = constt(ShaderLanguage::TYPE_VEC3);
    435. 

  435. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["TRANSFORM"] = constt(ShaderLanguage::TYPE_MAT4);
    436. 

  436. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["SDF"] = constt(ShaderLanguage::TYPE_FLOAT);
    437. 

  437. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["ALBEDO"] = ShaderLanguage::TYPE_VEC3;
    438. 

  438. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["DENSITY"] = ShaderLanguage::TYPE_FLOAT;
    439. 

  439. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["EMISSION"] = ShaderLanguage::TYPE_VEC3;
    440. 

  440. 	shader_modes[RS::SHADER_FOG].functions["fog"].main_function = true;
    441. 

  441. 

  442. 	shader_types_list.push_back("spatial");
    443. 

  443. 	shader_types_list.push_back("canvas_item");
    444. 

  444. 	shader_types_list.push_back("particles");
    445. 

  445. 	shader_types_list.push_back("sky");
    446. 

  446. 	shader_types_list.push_back("fog");
    447. 

  447. 

  448. 	for (int i = 0; i < shader_types_list.size(); i++) {
    449. 

  449. 		shader_types.insert(shader_types_list[i]);
    450. 

  450. 	}
    451. 

  451. }
    452.