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Format.cpp

Format.cpp 29 KB
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  1. /*
    2. 

  2.  * Copyright (c) Contributors to the Open 3D Engine Project.
    3. 

  3.  * For complete copyright and license terms please see the LICENSE at the root of this distribution.
    4. 

  4.  *
    5. 

  5.  * SPDX-License-Identifier: Apache-2.0 OR MIT
    6. 

  6.  *
    7. 

  7.  */
    8. 

  8. #include <Atom/RHI.Reflect/Format.h>
    9. 

  9. #include <Atom/RHI.Reflect/Bits.h>
    10. 

  10. #include <AzCore/std/algorithm.h>
    11. 

  11. 

  12. namespace AZ::RHI
    13. 

  13. {
    14. 

  14.     uint32_t GetFormatSize(Format format)
    15. 

  15.     {
    16. 

  16.         switch (format)
    17. 

  17.         {
    18. 

  18.         case Format::Unknown:
    19. 

  19.             return 0;
    20. 

  20. 

  21.         case Format::R32G32B32A32_FLOAT:
    22. 

  22.         case Format::R32G32B32A32_UINT:
    23. 

  23.         case Format::R32G32B32A32_SINT:
    24. 

  24.             return 16;
    25. 

  25. 

  26.         case Format::R32G32B32_FLOAT:
    27. 

  27.         case Format::R32G32B32_UINT:
    28. 

  28.         case Format::R32G32B32_SINT:
    29. 

  29.             return 12;
    30. 

  30. 

  31.         case Format::R16G16B16A16_FLOAT:
    32. 

  32.         case Format::R16G16B16A16_UNORM:
    33. 

  33.         case Format::R16G16B16A16_UINT:
    34. 

  34.         case Format::R16G16B16A16_SNORM:
    35. 

  35.         case Format::R16G16B16A16_SINT:
    36. 

  36.         case Format::R32G32_FLOAT:
    37. 

  37.         case Format::R32G32_UINT:
    38. 

  38.         case Format::R32G32_SINT:
    39. 

  39.         case Format::D32_FLOAT_S8X24_UINT:
    40. 

  40.         case Format::Y416:
    41. 

  41.         case Format::Y210:
    42. 

  42.         case Format::Y216:
    43. 

  43.             return 8;
    44. 

  44. 

  45.         case Format::R10G10B10A2_UNORM:
    46. 

  46.         case Format::R10G10B10A2_UINT:
    47. 

  47.         case Format::R11G11B10_FLOAT:
    48. 

  48.         case Format::R8G8B8A8_UNORM:
    49. 

  49.         case Format::R8G8B8A8_UNORM_SRGB:
    50. 

  50.         case Format::R8G8B8A8_UINT:
    51. 

  51.         case Format::R8G8B8A8_SNORM:
    52. 

  52.         case Format::R8G8B8A8_SINT:
    53. 

  53.         case Format::R16G16_FLOAT:
    54. 

  54.         case Format::R16G16_UNORM:
    55. 

  55.         case Format::R16G16_UINT:
    56. 

  56.         case Format::R16G16_SNORM:
    57. 

  57.         case Format::R16G16_SINT:
    58. 

  58.         case Format::D32_FLOAT:
    59. 

  59.         case Format::R32_FLOAT:
    60. 

  60.         case Format::R32_UINT:
    61. 

  61.         case Format::R32_SINT:
    62. 

  62.         case Format::D24_UNORM_S8_UINT:
    63. 

  63.         case Format::R9G9B9E5_SHAREDEXP:
    64. 

  64.         case Format::R8G8_B8G8_UNORM:
    65. 

  65.         case Format::G8R8_G8B8_UNORM:
    66. 

  66.         case Format::B8G8R8A8_UNORM:
    67. 

  67.         case Format::B8G8R8A8_SNORM:
    68. 

  68.         case Format::B8G8R8X8_UNORM:
    69. 

  69.         case Format::R10G10B10_XR_BIAS_A2_UNORM:
    70. 

  70.         case Format::B8G8R8A8_UNORM_SRGB:
    71. 

  71.         case Format::B8G8R8X8_UNORM_SRGB:
    72. 

  72.         case Format::AYUV:
    73. 

  73.         case Format::Y410:
    74. 

  74.         case Format::YUY2:
    75. 

  75.             return 4;
    76. 

  76. 

  77.         case Format::P010:
    78. 

  78.         case Format::P016:
    79. 

  79.             return 24;
    80. 

  80. 

  81.         case Format::R8G8_UNORM:
    82. 

  82.         case Format::R8G8_UINT:
    83. 

  83.         case Format::R8G8_SNORM:
    84. 

  84.         case Format::R8G8_SINT:
    85. 

  85.         case Format::R16_FLOAT:
    86. 

  86.         case Format::D16_UNORM:
    87. 

  87.         case Format::R16_UNORM:
    88. 

  88.         case Format::R16_UINT:
    89. 

  89.         case Format::R16_SNORM:
    90. 

  90.         case Format::R16_SINT:
    91. 

  91.         case Format::R5G6B5_UNORM:
    92. 

  92.         case Format::B5G6R5_UNORM:
    93. 

  93.         case Format::B5G5R5A1_UNORM:
    94. 

  94.         case Format::A8P8:
    95. 

  95.         case Format::B4G4R4A4_UNORM:
    96. 

  96.             return 2;
    97. 

  97. 

  98.         case Format::NV12:
    99. 

  99.         case Format::NV11:
    100. 

  100.             return 12;
    101. 

  101. 

  102.         case Format::R8_UNORM:
    103. 

  103.         case Format::R8_UINT:
    104. 

  104.         case Format::R8_SNORM:
    105. 

  105.         case Format::R8_SINT:
    106. 

  106.         case Format::A8_UNORM:
    107. 

  107.         case Format::AI44:
    108. 

  108.         case Format::IA44:
    109. 

  109.         case Format::P8:
    110. 

  110.         case Format::R1_UNORM:
    111. 

  111.             return 1;
    112. 

  112. 

  113.         case Format::BC1_UNORM:
    114. 

  114.         case Format::BC1_UNORM_SRGB:
    115. 

  115.         case Format::BC4_UNORM:
    116. 

  116.         case Format::BC4_SNORM:
    117. 

  117.         case Format::EAC_R11_UNORM:
    118. 

  118.         case Format::EAC_R11_SNORM:
    119. 

  119.         case Format::ETC2_UNORM:
    120. 

  120.         case Format::ETC2_UNORM_SRGB:
    121. 

  121.         case Format::ETC2A1_UNORM:
    122. 

  122.         case Format::ETC2A1_UNORM_SRGB:
    123. 

  123.             return 8;
    124. 

  124. 

  125.         case Format::BC2_UNORM:
    126. 

  126.         case Format::BC2_UNORM_SRGB:
    127. 

  127.         case Format::BC3_UNORM:
    128. 

  128.         case Format::BC3_UNORM_SRGB:
    129. 

  129.         case Format::BC5_UNORM:
    130. 

  130.         case Format::BC5_SNORM:
    131. 

  131.         case Format::BC6H_UF16:
    132. 

  132.         case Format::BC6H_SF16:
    133. 

  133.         case Format::BC7_UNORM:
    134. 

  134.         case Format::BC7_UNORM_SRGB:
    135. 

  135.         case Format::EAC_RG11_UNORM:
    136. 

  136.         case Format::EAC_RG11_SNORM:
    137. 

  137.         case Format::ETC2A_UNORM:
    138. 

  138.         case Format::ETC2A_UNORM_SRGB:
    139. 

  139.         case Format::ASTC_4x4_UNORM:
    140. 

  140.         case Format::ASTC_4x4_UNORM_SRGB:
    141. 

  141.         case Format::ASTC_5x4_UNORM:
    142. 

  142.         case Format::ASTC_5x4_UNORM_SRGB:
    143. 

  143.         case Format::ASTC_5x5_UNORM:
    144. 

  144.         case Format::ASTC_5x5_UNORM_SRGB:
    145. 

  145.         case Format::ASTC_6x5_UNORM:
    146. 

  146.         case Format::ASTC_6x5_UNORM_SRGB:
    147. 

  147.         case Format::ASTC_6x6_UNORM:
    148. 

  148.         case Format::ASTC_6x6_UNORM_SRGB:
    149. 

  149.         case Format::ASTC_8x5_UNORM:
    150. 

  150.         case Format::ASTC_8x5_UNORM_SRGB:
    151. 

  151.         case Format::ASTC_8x6_UNORM:
    152. 

  152.         case Format::ASTC_8x6_UNORM_SRGB:
    153. 

  153.         case Format::ASTC_8x8_UNORM:
    154. 

  154.         case Format::ASTC_8x8_UNORM_SRGB:
    155. 

  155.         case Format::ASTC_10x5_UNORM:
    156. 

  156.         case Format::ASTC_10x5_UNORM_SRGB:
    157. 

  157.         case Format::ASTC_10x6_UNORM:
    158. 

  158.         case Format::ASTC_10x6_UNORM_SRGB:
    159. 

  159.         case Format::ASTC_10x8_UNORM:
    160. 

  160.         case Format::ASTC_10x8_UNORM_SRGB:
    161. 

  161.         case Format::ASTC_10x10_UNORM:
    162. 

  162.         case Format::ASTC_10x10_UNORM_SRGB:
    163. 

  163.         case Format::ASTC_12x10_UNORM:
    164. 

  164.         case Format::ASTC_12x10_UNORM_SRGB:
    165. 

  165.         case Format::ASTC_12x12_UNORM:
    166. 

  166.         case Format::ASTC_12x12_UNORM_SRGB:
    167. 

  167.             return 16;
    168. 

  168. 

  169.         default:
    170. 

  170.             AZ_Assert(false, "Unimplemented format");
    171. 

  171.             return 0;
    172. 

  172.         }
    173. 

  173.     }
    174. 

  174. 

  175.     uint32_t GetFormatComponentCount(Format format)
    176. 

  176.     {
    177. 

  177.         switch (format)
    178. 

  178.         {
    179. 

  179.         case Format::Unknown:
    180. 

  180.             return 0;
    181. 

  181. 

  182.         case Format::R32G32B32A32_FLOAT:
    183. 

  183.         case Format::R32G32B32A32_UINT:
    184. 

  184.         case Format::R32G32B32A32_SINT:
    185. 

  185.             return 4;
    186. 

  186. 

  187.         case Format::R32G32B32_FLOAT:
    188. 

  188.         case Format::R32G32B32_UINT:
    189. 

  189.         case Format::R32G32B32_SINT:
    190. 

  190.             return 3;
    191. 

  191. 

  192.         case Format::R16G16B16A16_FLOAT:
    193. 

  193.         case Format::R16G16B16A16_UNORM:
    194. 

  194.         case Format::R16G16B16A16_UINT:
    195. 

  195.         case Format::R16G16B16A16_SNORM:
    196. 

  196.         case Format::R16G16B16A16_SINT:
    197. 

  197.             return 4;
    198. 

  198. 

  199.         case Format::R32G32_FLOAT:
    200. 

  200.         case Format::R32G32_UINT:
    201. 

  201.         case Format::R32G32_SINT:
    202. 

  202.             return 2;
    203. 

  203. 

  204.         case Format::D32_FLOAT_S8X24_UINT:
    205. 

  205.             return 3;
    206. 

  206. 

  207.         case Format::Y416:
    208. 

  208.         case Format::Y210:
    209. 

  209.         case Format::Y216:
    210. 

  210.             return 4;
    211. 

  211. 

  212.         case Format::R10G10B10A2_UNORM:
    213. 

  213.         case Format::R10G10B10A2_UINT:
    214. 

  214.             return 4;
    215. 

  215. 

  216.         case Format::R11G11B10_FLOAT:
    217. 

  217.             return 3;
    218. 

  218. 

  219.         case Format::R8G8B8A8_UNORM:
    220. 

  220.         case Format::R8G8B8A8_UNORM_SRGB:
    221. 

  221.         case Format::R8G8B8A8_UINT:
    222. 

  222.         case Format::R8G8B8A8_SNORM:
    223. 

  223.         case Format::R8G8B8A8_SINT:
    224. 

  224.         case Format::A8B8G8R8_UNORM:
    225. 

  225.         case Format::A8B8G8R8_UNORM_SRGB:
    226. 

  226.         case Format::A8B8G8R8_SNORM:
    227. 

  227.             return 4;
    228. 

  228. 

  229.         case Format::R16G16_FLOAT:
    230. 

  230.         case Format::R16G16_UNORM:
    231. 

  231.         case Format::R16G16_UINT:
    232. 

  232.         case Format::R16G16_SNORM:
    233. 

  233.         case Format::R16G16_SINT:
    234. 

  234.             return 2;
    235. 

  235. 

  236.         case Format::D32_FLOAT:
    237. 

  237.         case Format::R32_FLOAT:
    238. 

  238.         case Format::R32_UINT:
    239. 

  239.         case Format::R32_SINT:
    240. 

  240.             return 1;
    241. 

  241. 

  242.         case Format::D24_UNORM_S8_UINT:
    243. 

  243.             return 2;
    244. 

  244. 

  245.         case Format::R9G9B9E5_SHAREDEXP:
    246. 

  246.             return 3;
    247. 

  247. 

  248.         case Format::R8G8_B8G8_UNORM:
    249. 

  249.         case Format::G8R8_G8B8_UNORM:
    250. 

  250.             return 3; // One entry represents a pair of RGB colors, where R/B are repeated.
    251. 

  251. 

  252.         case Format::B8G8R8A8_UNORM:
    253. 

  253.             return 4;
    254. 

  254. 

  255.         case Format::B8G8R8A8_SNORM:
    256. 

  256.             return 4;
    257. 

  257. 

  258.         case Format::B8G8R8X8_UNORM:
    259. 

  259.             return 3;
    260. 

  260. 

  261.         case Format::R10G10B10_XR_BIAS_A2_UNORM:
    262. 

  262.             return 4;
    263. 

  263. 

  264.         case Format::B8G8R8A8_UNORM_SRGB:
    265. 

  265.             return 4;
    266. 

  266. 

  267.         case Format::B8G8R8X8_UNORM_SRGB:
    268. 

  268.             return 3;
    269. 

  269. 

  270.         case Format::AYUV:
    271. 

  271.         case Format::Y410:
    272. 

  272.         case Format::YUY2:
    273. 

  273.             return 4;
    274. 

  274. 

  275.         case Format::P010:
    276. 

  276.         case Format::P016:
    277. 

  277.             return 3; // Not sure this is right
    278. 

  278. 

  279.         case Format::R8G8_UNORM:
    280. 

  280.         case Format::R8G8_UINT:
    281. 

  281.         case Format::R8G8_SNORM:
    282. 

  282.         case Format::R8G8_SINT:
    283. 

  283.             return 2;
    284. 

  284. 

  285.         case Format::R16_FLOAT:
    286. 

  286.         case Format::D16_UNORM:
    287. 

  287.         case Format::R16_UNORM:
    288. 

  288.         case Format::R16_UINT:
    289. 

  289.         case Format::R16_SNORM:
    290. 

  290.         case Format::R16_SINT:
    291. 

  291.             return 1;
    292. 

  292. 

  293.         case Format::R5G6B5_UNORM:
    294. 

  294.         case Format::B5G6R5_UNORM:
    295. 

  295.             return 3;
    296. 

  296. 

  297.         case Format::B5G5R5A1_UNORM:
    298. 

  298.             return 4;
    299. 

  299. 

  300.         case Format::A8P8:
    301. 

  301.             return 2;
    302. 

  302. 

  303.         case Format::B4G4R4A4_UNORM:
    304. 

  304.             return 4;
    305. 

  305. 

  306.         case Format::NV12:
    307. 

  307.         case Format::NV11:
    308. 

  308.             return 3;
    309. 

  309. 

  310.         case Format::R8_UNORM:
    311. 

  311.         case Format::R8_UINT:
    312. 

  312.         case Format::R8_SNORM:
    313. 

  313.         case Format::R8_SINT:
    314. 

  314.         case Format::A8_UNORM:
    315. 

  315.             return 1;
    316. 

  316. 

  317.         case Format::AI44:
    318. 

  318.         case Format::IA44:
    319. 

  319.         case Format::P8:
    320. 

  320.             return 1; // Not sure this is right. These are palletized formats.
    321. 

  321. 

  322.         case Format::R1_UNORM:
    323. 

  323.             return 1;
    324. 

  324. 

  325.         case Format::BC1_UNORM:
    326. 

  326.         case Format::BC1_UNORM_SRGB:
    327. 

  327.             return 4;
    328. 

  328. 

  329.         case Format::BC4_UNORM:
    330. 

  330.         case Format::BC4_SNORM:
    331. 

  331.             return 1;
    332. 

  332. 

  333.         case Format::BC2_UNORM:
    334. 

  334.         case Format::BC2_UNORM_SRGB:
    335. 

  335.         case Format::BC3_UNORM:
    336. 

  336.         case Format::BC3_UNORM_SRGB:
    337. 

  337.             return 4;
    338. 

  338. 

  339.         case Format::BC5_UNORM:
    340. 

  340.         case Format::BC5_SNORM:
    341. 

  341.             return 2;
    342. 

  342. 

  343.         case Format::BC6H_UF16:
    344. 

  344.         case Format::BC6H_SF16:
    345. 

  345.             return 3;
    346. 

  346. 

  347.         case Format::BC7_UNORM:
    348. 

  348.         case Format::BC7_UNORM_SRGB:
    349. 

  349.             return 4; // May actually represent 3 or 4 elements depending on the compression settings
    350. 

  350. 

  351.         case Format::ASTC_4x4_UNORM:
    352. 

  352.         case Format::ASTC_4x4_UNORM_SRGB:
    353. 

  353.         case Format::ASTC_5x4_UNORM:
    354. 

  354.         case Format::ASTC_5x4_UNORM_SRGB:
    355. 

  355.         case Format::ASTC_5x5_UNORM:
    356. 

  356.         case Format::ASTC_5x5_UNORM_SRGB:
    357. 

  357.         case Format::ASTC_6x5_UNORM:
    358. 

  358.         case Format::ASTC_6x5_UNORM_SRGB:
    359. 

  359.         case Format::ASTC_6x6_UNORM:
    360. 

  360.         case Format::ASTC_6x6_UNORM_SRGB:
    361. 

  361.         case Format::ASTC_8x5_UNORM:
    362. 

  362.         case Format::ASTC_8x5_UNORM_SRGB:
    363. 

  363.         case Format::ASTC_8x6_UNORM:
    364. 

  364.         case Format::ASTC_8x6_UNORM_SRGB:
    365. 

  365.         case Format::ASTC_8x8_UNORM:
    366. 

  366.         case Format::ASTC_8x8_UNORM_SRGB:
    367. 

  367.         case Format::ASTC_10x5_UNORM:
    368. 

  368.         case Format::ASTC_10x5_UNORM_SRGB:
    369. 

  369.         case Format::ASTC_10x6_UNORM:
    370. 

  370.         case Format::ASTC_10x6_UNORM_SRGB:
    371. 

  371.         case Format::ASTC_10x8_UNORM:
    372. 

  372.         case Format::ASTC_10x8_UNORM_SRGB:
    373. 

  373.         case Format::ASTC_10x10_UNORM:
    374. 

  374.         case Format::ASTC_10x10_UNORM_SRGB:
    375. 

  375.         case Format::ASTC_12x10_UNORM:
    376. 

  376.         case Format::ASTC_12x10_UNORM_SRGB:
    377. 

  377.         case Format::ASTC_12x12_UNORM:
    378. 

  378.         case Format::ASTC_12x12_UNORM_SRGB:
    379. 

  379.             return 4;
    380. 

  380. 

  381.         case Format::ETC2_UNORM:
    382. 

  382.         case Format::ETC2_UNORM_SRGB:
    383. 

  383.             return 3;
    384. 

  384. 

  385.         case Format::ETC2A_UNORM:
    386. 

  386.         case Format::ETC2A_UNORM_SRGB:
    387. 

  387.         case Format::ETC2A1_UNORM:
    388. 

  388.         case Format::ETC2A1_UNORM_SRGB:
    389. 

  389.             return 4;
    390. 

  390. 

  391.         default:
    392. 

  392.             AZ_Assert(false, "Unimplemented format");
    393. 

  393.             return 0;
    394. 

  394.         }
    395. 

  395.     }
    396. 

  396. 

  397.     const char* ToString(Format format)
    398. 

  398.     {
    399. 

  399.         switch (format)
    400. 

  400.         {
    401. 

  401.         case Format::Unknown:                         return "Unknown";
    402. 

  402.         case Format::R32G32B32A32_FLOAT:              return "R32G32B32A32_FLOAT";
    403. 

  403.         case Format::R32G32B32A32_UINT:               return "R32G32B32A32_UINT";
    404. 

  404.         case Format::R32G32B32A32_SINT:               return "R32G32B32A32_SINT";
    405. 

  405.         case Format::R32G32B32_FLOAT:                 return "R32G32B32_FLOAT";
    406. 

  406.         case Format::R32G32B32_UINT:                  return "R32G32B32_UINT";
    407. 

  407.         case Format::R32G32B32_SINT:                  return "R32G32B32_SINT";
    408. 

  408.         case Format::R16G16B16A16_FLOAT:              return "R16G16B16A16_FLOAT";
    409. 

  409.         case Format::R16G16B16A16_UNORM:              return "R16G16B16A16_UNORM";
    410. 

  410.         case Format::R16G16B16A16_UINT:               return "R16G16B16A16_UINT";
    411. 

  411.         case Format::R16G16B16A16_SNORM:              return "R16G16B16A16_SNORM";
    412. 

  412.         case Format::R16G16B16A16_SINT:               return "R16G16B16A16_SINT";
    413. 

  413.         case Format::R32G32_FLOAT:                    return "R32G32_FLOAT";
    414. 

  414.         case Format::R32G32_UINT:                     return "R32G32_UINT";
    415. 

  415.         case Format::R32G32_SINT:                     return "R32G32_SINT";
    416. 

  416.         case Format::D32_FLOAT_S8X24_UINT:            return "D32_FLOAT_S8X24_UINT";
    417. 

  417.         case Format::Y416:                            return "Y416";
    418. 

  418.         case Format::Y210:                            return "Y210";
    419. 

  419.         case Format::Y216:                            return "Y216";
    420. 

  420.         case Format::R10G10B10A2_UNORM:               return "R10G10B10A2_UNORM";
    421. 

  421.         case Format::R10G10B10A2_UINT:                return "R10G10B10A2_UINT";
    422. 

  422.         case Format::R11G11B10_FLOAT:                 return "R11G11B10_FLOAT";
    423. 

  423.         case Format::R8G8B8A8_UNORM:                  return "R8G8B8A8_UNORM";
    424. 

  424.         case Format::R8G8B8A8_UNORM_SRGB:             return "R8G8B8A8_UNORM_SRGB";
    425. 

  425.         case Format::R8G8B8A8_UINT:                   return "R8G8B8A8_UINT";
    426. 

  426.         case Format::R8G8B8A8_SNORM:                  return "R8G8B8A8_SNORM";
    427. 

  427.         case Format::R8G8B8A8_SINT:                   return "R8G8B8A8_SINT";
    428. 

  428.         case Format::A8B8G8R8_UNORM:                  return "A8B8G8R8_UNORM";
    429. 

  429.         case Format::A8B8G8R8_UNORM_SRGB:             return "A8B8G8R8_UNORM_SRGB";
    430. 

  430.         case Format::A8B8G8R8_SNORM:                  return "A8B8G8R8_SNORM";
    431. 

  431.         case Format::R16G16_FLOAT:                    return "R16G16_FLOAT";
    432. 

  432.         case Format::R16G16_UNORM:                    return "R16G16_UNORM";
    433. 

  433.         case Format::R16G16_UINT:                     return "R16G16_UINT";
    434. 

  434.         case Format::R16G16_SNORM:                    return "R16G16_SNORM";
    435. 

  435.         case Format::R16G16_SINT:                     return "R16G16_SINT";
    436. 

  436.         case Format::D32_FLOAT:                       return "D32_FLOAT";
    437. 

  437.         case Format::R32_FLOAT:                       return "R32_FLOAT";
    438. 

  438.         case Format::R32_UINT:                        return "R32_UINT";
    439. 

  439.         case Format::R32_SINT:                        return "R32_SINT";
    440. 

  440.         case Format::D24_UNORM_S8_UINT:               return "D24_UNORM_S8_UINT";
    441. 

  441.         case Format::R9G9B9E5_SHAREDEXP:              return "R9G9B9E5_SHAREDEXP";
    442. 

  442.         case Format::R8G8_B8G8_UNORM:                 return "R8G8_B8G8_UNORM";
    443. 

  443.         case Format::G8R8_G8B8_UNORM:                 return "G8R8_G8B8_UNORM";
    444. 

  444.         case Format::B8G8R8A8_UNORM:                  return "B8G8R8A8_UNORM";
    445. 

  445.         case Format::B8G8R8A8_SNORM:                  return "B8G8R8A8_SNORM";
    446. 

  446.         case Format::B8G8R8X8_UNORM:                  return "B8G8R8X8_UNORM";
    447. 

  447.         case Format::R10G10B10_XR_BIAS_A2_UNORM:      return "R10G10B10_XR_BIAS_A2_UNORM";
    448. 

  448.         case Format::B8G8R8A8_UNORM_SRGB:             return "B8G8R8A8_UNORM_SRGB";
    449. 

  449.         case Format::B8G8R8X8_UNORM_SRGB:             return "B8G8R8X8_UNORM_SRGB";
    450. 

  450.         case Format::AYUV:                            return "AYUV";
    451. 

  451.         case Format::Y410:                            return "Y410";
    452. 

  452.         case Format::YUY2:                            return "YUY2";
    453. 

  453.         case Format::P010:                            return "P010";
    454. 

  454.         case Format::P016:                            return "P016";
    455. 

  455.         case Format::R8G8_UNORM:                      return "R8G8_UNORM";
    456. 

  456.         case Format::R8G8_UINT:                       return "R8G8_UINT";
    457. 

  457.         case Format::R8G8_SNORM:                      return "R8G8_SNORM";
    458. 

  458.         case Format::R8G8_SINT:                       return "R8G8_SINT";
    459. 

  459.         case Format::R16_FLOAT:                       return "R16_FLOAT";
    460. 

  460.         case Format::D16_UNORM:                       return "D16_UNORM";
    461. 

  461.         case Format::R16_UNORM:                       return "R16_UNORM";
    462. 

  462.         case Format::R16_UINT:                        return "R16_UINT";
    463. 

  463.         case Format::R16_SNORM:                       return "R16_SNORM";
    464. 

  464.         case Format::R16_SINT:                        return "R16_SINT";
    465. 

  465.         case Format::B5G6R5_UNORM:                    return "B5G6R5_UNORM";
    466. 

  466.         case Format::B5G5R5A1_UNORM:                  return "B5G5R5A1_UNORM";
    467. 

  467.         case Format::A8P8:                            return "A8P8";
    468. 

  468.         case Format::B4G4R4A4_UNORM:                  return "B4G4R4A4_UNORM";
    469. 

  469.         case Format::NV12:                            return "NV12";
    470. 

  470.         case Format::NV11:                            return "NV11";
    471. 

  471.         case Format::R8_UNORM:                        return "R8_UNORM";
    472. 

  472.         case Format::R8_UINT:                         return "R8_UINT";
    473. 

  473.         case Format::R8_SNORM:                        return "R8_SNORM";
    474. 

  474.         case Format::R8_SINT:                         return "R8_SINT";
    475. 

  475.         case Format::A8_UNORM:                        return "A8_UNORM";
    476. 

  476.         case Format::AI44:                            return "AI44";
    477. 

  477.         case Format::IA44:                            return "IA44";
    478. 

  478.         case Format::P8:                              return "P8";
    479. 

  479.         case Format::R1_UNORM:                        return "R1_UNORM";
    480. 

  480.         case Format::BC1_UNORM:                       return "BC1_UNORM";
    481. 

  481.         case Format::BC1_UNORM_SRGB:                  return "BC1_UNORM_SRGB";
    482. 

  482.         case Format::BC4_UNORM:                       return "BC4_UNORM";
    483. 

  483.         case Format::BC4_SNORM:                       return "BC4_SNORM";
    484. 

  484.         case Format::BC2_UNORM:                       return "BC2_UNORM";
    485. 

  485.         case Format::BC2_UNORM_SRGB:                  return "BC2_UNORM_SRGB";
    486. 

  486.         case Format::BC3_UNORM:                       return "BC3_UNORM";
    487. 

  487.         case Format::BC3_UNORM_SRGB:                  return "BC3_UNORM_SRGB";
    488. 

  488.         case Format::BC5_UNORM:                       return "BC5_UNORM";
    489. 

  489.         case Format::BC5_SNORM:                       return "BC5_SNORM";
    490. 

  490.         case Format::BC6H_UF16:                       return "BC6H_UF16";
    491. 

  491.         case Format::BC6H_SF16:                       return "BC6H_SF16";
    492. 

  492.         case Format::BC7_UNORM:                       return "BC7_UNORM";
    493. 

  493.         case Format::BC7_UNORM_SRGB:                  return "BC7_UNORM_SRGB";
    494. 

  494.         case Format::ASTC_4x4_UNORM:                  return "ASTC_4x4_UNORM";
    495. 

  495.         case Format::ASTC_4x4_UNORM_SRGB:             return "ASTC_4x4_UNORM_SRGB";
    496. 

  496.         case Format::ASTC_5x4_UNORM:                  return "ASTC_5x4_UNORM";
    497. 

  497.         case Format::ASTC_5x4_UNORM_SRGB:             return "ASTC_5x4_UNORM_SRGB";
    498. 

  498.         case Format::ASTC_5x5_UNORM:                  return "ASTC_5x5_UNORM";
    499. 

  499.         case Format::ASTC_5x5_UNORM_SRGB:             return "ASTC_5x5_UNORM_SRGB";
    500. 

  500.         case Format::ASTC_6x5_UNORM:                  return "ASTC_6x5_UNORM";
    501. 

  501.         case Format::ASTC_6x5_UNORM_SRGB:             return "ASTC_6x5_UNORM_SRGB";
    502. 

  502.         case Format::ASTC_6x6_UNORM:                  return "ASTC_6x6_UNORM";
    503. 

  503.         case Format::ASTC_6x6_UNORM_SRGB:             return "ASTC_6x6_UNORM_SRGB";
    504. 

  504.         case Format::ASTC_8x5_UNORM:                  return "ASTC_8x5_UNORM";
    505. 

  505.         case Format::ASTC_8x5_UNORM_SRGB:             return "ASTC_8x5_UNORM_SRGB";
    506. 

  506.         case Format::ASTC_8x6_UNORM:                  return "ASTC_8x6_UNORM";
    507. 

  507.         case Format::ASTC_8x6_UNORM_SRGB:             return "ASTC_8x6_UNORM_SRGB";
    508. 

  508.         case Format::ASTC_8x8_UNORM:                  return "ASTC_8x8_UNORM";
    509. 

  509.         case Format::ASTC_8x8_UNORM_SRGB:             return "ASTC_8x8_UNORM_SRGB";
    510. 

  510.         case Format::ASTC_10x5_UNORM:                 return "ASTC_10x5_UNORM";
    511. 

  511.         case Format::ASTC_10x5_UNORM_SRGB:            return "ASTC_10x5_UNORM_SRGB";
    512. 

  512.         case Format::ASTC_10x6_UNORM:                 return "ASTC_10x6_UNORM";
    513. 

  513.         case Format::ASTC_10x6_UNORM_SRGB:            return "ASTC_10x6_UNORM_SRGB";
    514. 

  514.         case Format::ASTC_10x8_UNORM:                 return "ASTC_10x8_UNORM";
    515. 

  515.         case Format::ASTC_10x8_UNORM_SRGB:            return "ASTC_10x8_UNORM_SRGB";
    516. 

  516.         case Format::ASTC_10x10_UNORM:                return "ASTC_10x10_UNORM";
    517. 

  517.         case Format::ASTC_10x10_UNORM_SRGB:           return "ASTC_10x10_UNORM_SRGB";
    518. 

  518.         case Format::ASTC_12x10_UNORM:                return "ASTC_12x10_UNORM";
    519. 

  519.         case Format::ASTC_12x10_UNORM_SRGB:           return "ASTC_12x10_UNORM_SRGB";
    520. 

  520.         case Format::ASTC_12x12_UNORM:                return "ASTC_12x12_UNORM";
    521. 

  521.         case Format::ASTC_12x12_UNORM_SRGB:           return "ASTC_12x12_UNORM_SRGB";
    522. 

  522.         case Format::ETC2_UNORM:                      return "ETC2_UNORM";
    523. 

  523.         case Format::ETC2_UNORM_SRGB:                 return "ETC2_UNORM_SRGB";
    524. 

  524.         case Format::ETC2A1_UNORM:                    return "ETC2A1_UNORM";
    525. 

  525.         case Format::ETC2A1_UNORM_SRGB:               return "ETC2A1_UNORM_SRGB";
    526. 

  526.         case Format::ETC2A_UNORM:                     return "ETC2A_UNORM";
    527. 

  527.         case Format::ETC2A_UNORM_SRGB:                return "ETC2A_UNORM_SRGB";
    528. 

  528.         }
    529. 

  529.             
    530. 

  530.         return "<<Format Value Error>>";
    531. 

  531.     }
    532. 

  532. 

  533.     RHI::Size GetFormatDimensionAlignment(Format format)
    534. 

  534.     {
    535. 

  535.         switch (format)
    536. 

  536.         {
    537. 

  537.         case Format::BC1_UNORM:
    538. 

  538.         case Format::BC1_UNORM_SRGB:
    539. 

  539.         case Format::BC4_UNORM:
    540. 

  540.         case Format::BC4_SNORM:
    541. 

  541.         case Format::BC2_UNORM:
    542. 

  542.         case Format::BC2_UNORM_SRGB:
    543. 

  543.         case Format::BC3_UNORM:
    544. 

  544.         case Format::BC3_UNORM_SRGB:
    545. 

  545.         case Format::BC5_UNORM:
    546. 

  546.         case Format::BC5_SNORM:
    547. 

  547.         case Format::BC6H_UF16:
    548. 

  548.         case Format::BC6H_SF16:
    549. 

  549.         case Format::BC7_UNORM:
    550. 

  550.         case Format::BC7_UNORM_SRGB:
    551. 

  551.         case Format::ETC2_UNORM:
    552. 

  552.         case Format::ETC2_UNORM_SRGB:
    553. 

  553.         case Format::ETC2A_UNORM:
    554. 

  554.         case Format::ETC2A_UNORM_SRGB:
    555. 

  555.         case Format::ETC2A1_UNORM:
    556. 

  556.         case Format::ETC2A1_UNORM_SRGB:
    557. 

  557.         case Format::EAC_RG11_UNORM:
    558. 

  558.         case Format::EAC_RG11_SNORM:
    559. 

  559.         case Format::EAC_R11_UNORM:
    560. 

  560.         case Format::EAC_R11_SNORM:
    561. 

  561.         case Format::ASTC_4x4_UNORM:
    562. 

  562.         case Format::ASTC_4x4_UNORM_SRGB:
    563. 

  563.             return RHI::Size(4, 4, 1);
    564. 

  564.         case Format::ASTC_5x4_UNORM:
    565. 

  565.         case Format::ASTC_5x4_UNORM_SRGB:
    566. 

  566.             return RHI::Size(5, 4, 1);
    567. 

  567.         case Format::ASTC_5x5_UNORM:
    568. 

  568.         case Format::ASTC_5x5_UNORM_SRGB:
    569. 

  569.             return RHI::Size(5, 5, 1);
    570. 

  570.         case Format::ASTC_6x5_UNORM:
    571. 

  571.         case Format::ASTC_6x5_UNORM_SRGB:
    572. 

  572.             return RHI::Size(6, 5, 1);
    573. 

  573.         case Format::ASTC_6x6_UNORM:
    574. 

  574.         case Format::ASTC_6x6_UNORM_SRGB:
    575. 

  575.             return RHI::Size(6, 6, 1);
    576. 

  576.         case Format::ASTC_8x5_UNORM:
    577. 

  577.         case Format::ASTC_8x5_UNORM_SRGB:
    578. 

  578.             return RHI::Size(8, 5, 1);
    579. 

  579.         case Format::ASTC_8x6_UNORM:
    580. 

  580.         case Format::ASTC_8x6_UNORM_SRGB:
    581. 

  581.             return RHI::Size(8, 6, 1);
    582. 

  582.         case Format::ASTC_8x8_UNORM:
    583. 

  583.         case Format::ASTC_8x8_UNORM_SRGB:
    584. 

  584.             return RHI::Size(8, 8, 1);
    585. 

  585.         case Format::ASTC_10x5_UNORM:
    586. 

  586.         case Format::ASTC_10x5_UNORM_SRGB:
    587. 

  587.             return RHI::Size(10, 5, 1);
    588. 

  588.         case Format::ASTC_10x6_UNORM:
    589. 

  589.         case Format::ASTC_10x6_UNORM_SRGB:
    590. 

  590.             return RHI::Size(10, 6, 1);
    591. 

  591.         case Format::ASTC_10x8_UNORM:
    592. 

  592.         case Format::ASTC_10x8_UNORM_SRGB:
    593. 

  593.             return RHI::Size(10, 8, 1);
    594. 

  594.         case Format::ASTC_10x10_UNORM:
    595. 

  595.         case Format::ASTC_10x10_UNORM_SRGB:
    596. 

  596.             return RHI::Size(10, 10, 1);
    597. 

  597.         case Format::ASTC_12x10_UNORM:
    598. 

  598.         case Format::ASTC_12x10_UNORM_SRGB:
    599. 

  599.             return RHI::Size(12, 10, 1);
    600. 

  600.         case Format::ASTC_12x12_UNORM:
    601. 

  601.         case Format::ASTC_12x12_UNORM_SRGB:
    602. 

  602.             return RHI::Size(12, 12, 1);
    603. 

  603.         case Format::R8G8_B8G8_UNORM:
    604. 

  604.         case Format::G8R8_G8B8_UNORM:
    605. 

  605.         case Format::YUY2:
    606. 

  606.         case Format::Y210:
    607. 

  607.         case Format::Y216:
    608. 

  608.         case Format::NV12:
    609. 

  609.         case Format::P010:
    610. 

  610.         case Format::P016:
    611. 

  611.             return RHI::Size(2, 2, 1);
    612. 

  612. 

  613.         default:
    614. 

  614.             return RHI::Size(1, 1, 1);
    615. 

  615.         }
    616. 

  616.     }
    617. 

  617. 

  618.     Format ConvertLinearToSRGB(Format format)
    619. 

  619.     {
    620. 

  620.         switch (format)
    621. 

  621.         {
    622. 

  622.         case Format::R8G8B8A8_UNORM:
    623. 

  623.             return Format::R8G8B8A8_UNORM_SRGB;
    624. 

  624. 

  625.         case Format::A8B8G8R8_UNORM:
    626. 

  626.             return Format::A8B8G8R8_UNORM_SRGB;
    627. 

  627. 

  628.         case Format::BC1_UNORM:
    629. 

  629.             return Format::BC1_UNORM_SRGB;
    630. 

  630. 

  631.         case Format::BC2_UNORM:
    632. 

  632.             return Format::BC2_UNORM_SRGB;
    633. 

  633. 

  634.         case Format::BC3_UNORM:
    635. 

  635.             return Format::BC3_UNORM_SRGB;
    636. 

  636. 

  637.         case Format::B8G8R8A8_UNORM:
    638. 

  638.             return Format::B8G8R8A8_UNORM_SRGB;
    639. 

  639. 

  640.         case Format::B8G8R8X8_UNORM:
    641. 

  641.             return Format::B8G8R8X8_UNORM_SRGB;
    642. 

  642. 

  643.         case Format::BC7_UNORM:
    644. 

  644.             return Format::BC7_UNORM_SRGB;
    645. 

  645. 

  646.         case Format::ASTC_4x4_UNORM:
    647. 

  647.             return Format::ASTC_4x4_UNORM_SRGB;
    648. 

  648. 

  649.         case Format::ASTC_5x4_UNORM:
    650. 

  650.             return Format::ASTC_5x4_UNORM_SRGB;
    651. 

  651. 

  652.         case Format::ASTC_5x5_UNORM:
    653. 

  653.             return Format::ASTC_5x5_UNORM_SRGB;
    654. 

  654. 

  655.         case Format::ASTC_6x5_UNORM:
    656. 

  656.             return Format::ASTC_6x5_UNORM_SRGB;
    657. 

  657. 

  658.         case Format::ASTC_6x6_UNORM:
    659. 

  659.             return Format::ASTC_6x6_UNORM_SRGB;
    660. 

  660. 

  661.         case Format::ASTC_8x5_UNORM:
    662. 

  662.             return Format::ASTC_8x5_UNORM_SRGB;
    663. 

  663. 

  664.         case Format::ASTC_8x6_UNORM:
    665. 

  665.             return Format::ASTC_8x6_UNORM_SRGB;
    666. 

  666. 

  667.         case Format::ASTC_8x8_UNORM:
    668. 

  668.             return Format::ASTC_8x8_UNORM_SRGB;
    669. 

  669. 

  670.         case Format::ASTC_10x5_UNORM:
    671. 

  671.             return Format::ASTC_10x5_UNORM_SRGB;
    672. 

  672. 

  673.         case Format::ASTC_10x6_UNORM:
    674. 

  674.             return Format::ASTC_10x6_UNORM_SRGB;
    675. 

  675. 

  676.         case Format::ASTC_10x8_UNORM:
    677. 

  677.             return Format::ASTC_10x8_UNORM_SRGB;
    678. 

  678. 

  679.         case Format::ASTC_10x10_UNORM:
    680. 

  680.             return Format::ASTC_10x10_UNORM_SRGB;
    681. 

  681. 

  682.         case Format::ASTC_12x10_UNORM:
    683. 

  683.             return Format::ASTC_12x10_UNORM_SRGB;
    684. 

  684. 

  685.         case Format::ASTC_12x12_UNORM:
    686. 

  686.             return Format::ASTC_12x12_UNORM_SRGB;
    687. 

  687. 

  688.         case Format::ETC2_UNORM:
    689. 

  689.             return Format::ETC2_UNORM_SRGB;
    690. 

  690. 

  691.         case Format::ETC2A1_UNORM:
    692. 

  692.             return Format::ETC2A1_UNORM_SRGB;
    693. 

  693. 

  694.         case Format::ETC2A_UNORM:
    695. 

  695.             return Format::ETC2A_UNORM_SRGB;
    696. 

  696. 

  697.         default:
    698. 

  698.             return format;
    699. 

  699.         }
    700. 

  700.     }
    701. 

  701. 

  702.     Format ConvertSRGBToLinear(Format format)
    703. 

  703.     {
    704. 

  704.         switch (format)
    705. 

  705.         {
    706. 

  706.         case Format::A8B8G8R8_UNORM_SRGB:
    707. 

  707.             return Format::A8B8G8R8_UNORM;
    708. 

  708. 

  709.         case Format::R8G8B8A8_UNORM_SRGB:
    710. 

  710.             return Format::R8G8B8A8_UNORM;
    711. 

  711. 

  712.         case Format::BC1_UNORM_SRGB:
    713. 

  713.             return Format::BC1_UNORM;
    714. 

  714. 

  715.         case Format::BC2_UNORM_SRGB:
    716. 

  716.             return Format::BC2_UNORM;
    717. 

  717. 

  718.         case Format::BC3_UNORM_SRGB:
    719. 

  719.             return Format::BC3_UNORM;
    720. 

  720. 

  721.         case Format::B8G8R8A8_UNORM_SRGB:
    722. 

  722.             return Format::B8G8R8A8_UNORM;
    723. 

  723. 

  724.         case Format::B8G8R8X8_UNORM_SRGB:
    725. 

  725.             return Format::B8G8R8X8_UNORM;
    726. 

  726. 

  727.         case Format::BC7_UNORM_SRGB:
    728. 

  728.             return Format::BC7_UNORM;
    729. 

  729. 

  730.         case Format::ASTC_4x4_UNORM_SRGB:
    731. 

  731.             return Format::ASTC_4x4_UNORM;
    732. 

  732. 

  733.         case Format::ASTC_5x4_UNORM_SRGB:
    734. 

  734.             return Format::ASTC_5x4_UNORM;
    735. 

  735. 

  736.         case Format::ASTC_5x5_UNORM_SRGB:
    737. 

  737.             return Format::ASTC_5x5_UNORM;
    738. 

  738. 

  739.         case Format::ASTC_6x5_UNORM_SRGB:
    740. 

  740.             return Format::ASTC_6x5_UNORM;
    741. 

  741. 

  742.         case Format::ASTC_6x6_UNORM_SRGB:
    743. 

  743.             return Format::ASTC_6x6_UNORM;
    744. 

  744. 

  745.         case Format::ASTC_8x5_UNORM_SRGB:
    746. 

  746.             return Format::ASTC_8x5_UNORM;
    747. 

  747. 

  748.         case Format::ASTC_8x6_UNORM_SRGB:
    749. 

  749.             return Format::ASTC_8x6_UNORM;
    750. 

  750. 

  751.         case Format::ASTC_8x8_UNORM_SRGB:
    752. 

  752.             return Format::ASTC_8x8_UNORM;
    753. 

  753. 

  754.         case Format::ASTC_10x5_UNORM_SRGB:
    755. 

  755.             return Format::ASTC_10x5_UNORM;
    756. 

  756. 

  757.         case Format::ASTC_10x6_UNORM_SRGB:
    758. 

  758.             return Format::ASTC_10x6_UNORM;
    759. 

  759. 

  760.         case Format::ASTC_10x8_UNORM_SRGB:
    761. 

  761.             return Format::ASTC_10x8_UNORM;
    762. 

  762. 

  763.         case Format::ASTC_10x10_UNORM_SRGB:
    764. 

  764.             return Format::ASTC_10x10_UNORM;
    765. 

  765. 

  766.         case Format::ASTC_12x10_UNORM_SRGB:
    767. 

  767.             return Format::ASTC_12x10_UNORM;
    768. 

  768. 

  769.         case Format::ASTC_12x12_UNORM_SRGB:
    770. 

  770.             return Format::ASTC_12x12_UNORM;
    771. 

  771. 

  772.         case Format::ETC2_UNORM_SRGB:
    773. 

  773.             return Format::ETC2_UNORM;
    774. 

  774. 

  775.         case Format::ETC2A1_UNORM_SRGB:
    776. 

  776.             return Format::ETC2A1_UNORM;
    777. 

  777. 

  778.         case Format::ETC2A_UNORM_SRGB:
    779. 

  779.             return Format::ETC2A_UNORM;
    780. 

  780. 

  781.         default:
    782. 

  782.             return format;
    783. 

  783.         }
    784. 

  784.     }
    785. 

  785. 

  786.     ImageAspectFlags GetImageAspectFlags(Format format)
    787. 

  787.     {
    788. 

  788.         switch (format)
    789. 

  789.         {
    790. 

  790.         case Format::D32_FLOAT_S8X24_UINT:
    791. 

  791.         case Format::D16_UNORM_S8_UINT:
    792. 

  792.         case Format::D24_UNORM_S8_UINT:
    793. 

  793.             return ImageAspectFlags::DepthStencil;
    794. 

  794.         case Format::D32_FLOAT:
    795. 

  795.         case Format::D16_UNORM:
    796. 

  796.             return ImageAspectFlags::Depth;
    797. 

  797.         default:
    798. 

  798.             return ImageAspectFlags::Color;
    799. 

  799.         }
    800. 

  800.     }
    801. 

  801. }
    802.