gl_bindings.h 20 KB

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  1. // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #ifndef UI_GL_GL_BINDINGS_H_
  5. #define UI_GL_GL_BINDINGS_H_
  6. #include "build/build_config.h"
  7. // Includes the platform independent and platform dependent GL headers.
  8. // GL headers may include inttypes.h and so we need to ensure that
  9. // __STDC_FORMAT_MACROS is defined in order for //base/format_macros.h to
  10. // function correctly. See comment and #error message in //base/format_macros.h
  11. // for details.
  12. #if BUILDFLAG(IS_POSIX) && !defined(__STDC_FORMAT_MACROS)
  13. #define __STDC_FORMAT_MACROS
  14. #endif
  15. #include <GL/gl.h>
  16. #include <GL/glext.h>
  17. #include <EGL/egl.h>
  18. #include <EGL/eglext.h>
  19. #include <stdint.h>
  20. #include <string>
  21. #include "base/logging.h"
  22. #include "base/threading/thread_local.h"
  23. #include "build/build_config.h"
  24. #include "ui/gfx/extension_set.h"
  25. #include "ui/gl/gl_export.h"
  26. // The standard OpenGL native extension headers are also included.
  27. #if BUILDFLAG(IS_WIN)
  28. #include <GL/wglext.h>
  29. #elif BUILDFLAG(IS_APPLE)
  30. #include <OpenGL/OpenGL.h>
  31. #elif defined(USE_GLX)
  32. using Display = struct _XDisplay;
  33. using Bool = int;
  34. using Status = int;
  35. using XID = unsigned long;
  36. using Colormap = XID;
  37. using Font = XID;
  38. using Pixmap = XID;
  39. using Window = XID;
  40. using GLXPixmap = XID;
  41. using GLXWindow = XID;
  42. using GLXDrawable = XID;
  43. using GLXPbuffer = XID;
  44. using GLXContextID = XID;
  45. using GLXContext = struct __GLXcontextRec*;
  46. using GLXFBConfig = struct __GLXFBConfigRec*;
  47. struct XVisualInfo;
  48. #include <GL/glxext.h>
  49. #include <GL/glxtokens.h>
  50. #endif
  51. // GLES2 defines not part of Desktop GL
  52. // Shader Precision-Specified Types
  53. #define GL_LOW_FLOAT 0x8DF0
  54. #define GL_MEDIUM_FLOAT 0x8DF1
  55. #define GL_HIGH_FLOAT 0x8DF2
  56. #define GL_LOW_INT 0x8DF3
  57. #define GL_MEDIUM_INT 0x8DF4
  58. #define GL_HIGH_INT 0x8DF5
  59. #define GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A
  60. #define GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B
  61. #define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD
  62. #define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB
  63. #define GL_MAX_VARYING_VECTORS 0x8DFC
  64. #define GL_SHADER_BINARY_FORMATS 0x8DF8
  65. #define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9
  66. #define GL_SHADER_COMPILER 0x8DFA
  67. #define GL_RGB565 0x8D62
  68. #define GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES 0x8B8B
  69. #define GL_RGB8_OES 0x8051
  70. #define GL_RGBA8_OES 0x8058
  71. #define GL_HALF_FLOAT_OES 0x8D61
  72. // GL_OES_EGL_image_external
  73. #define GL_TEXTURE_EXTERNAL_OES 0x8D65
  74. #define GL_SAMPLER_EXTERNAL_OES 0x8D66
  75. #define GL_TEXTURE_BINDING_EXTERNAL_OES 0x8D67
  76. #define GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES 0x8D68
  77. // GL_ANGLE_texture_rectangle
  78. #define GL_MAX_RECTANGLE_TEXTURE_SIZE_ANGLE 0x84F8
  79. #define GL_TEXTURE_RECTANGLE_ANGLE 0x84F5
  80. #define GL_TEXTURE_BINDING_RECTANGLE_ANGLE 0x84F6
  81. #define GL_SAMPLER_2D_RECT_ANGLE 0x8B63
  82. // GL_ANGLE_translated_shader_source
  83. #define GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE 0x93A0
  84. #define GL_UNPACK_COLORSPACE_CONVERSION_CHROMIUM 0x9243
  85. #define GL_BIND_GENERATES_RESOURCE_CHROMIUM 0x9244
  86. // GL_ANGLE_texture_usage
  87. #define GL_TEXTURE_USAGE_ANGLE 0x93A2
  88. #define GL_FRAMEBUFFER_ATTACHMENT_ANGLE 0x93A3
  89. // GL_EXT_texture_storage
  90. #define GL_TEXTURE_IMMUTABLE_FORMAT_EXT 0x912F
  91. #define GL_ALPHA8_EXT 0x803C
  92. #define GL_LUMINANCE8_EXT 0x8040
  93. #define GL_LUMINANCE8_ALPHA8_EXT 0x8045
  94. #define GL_RGB10_A2_EXT 0x8059
  95. #define GL_RGBA32F_EXT 0x8814
  96. #define GL_RGB32F_EXT 0x8815
  97. #define GL_ALPHA32F_EXT 0x8816
  98. #define GL_LUMINANCE32F_EXT 0x8818
  99. #define GL_LUMINANCE_ALPHA32F_EXT 0x8819
  100. #define GL_RGBA16F_EXT 0x881A
  101. #define GL_RGB16F_EXT 0x881B
  102. #define GL_RG16F_EXT 0x822F
  103. #define GL_R16F_EXT 0x822D
  104. #define GL_ALPHA16F_EXT 0x881C
  105. #define GL_LUMINANCE16F_EXT 0x881E
  106. #define GL_LUMINANCE_ALPHA16F_EXT 0x881F
  107. #define GL_R32F_EXT 0x822E
  108. #define GL_RG32F_EXT 0x8230
  109. #define GL_BGRA8_EXT 0x93A1
  110. // GL_ANGLE_instanced_arrays
  111. #define GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE 0x88FE
  112. // GL_ANGLE_client_arrays
  113. #define GL_CLIENT_ARRAYS_ANGLE 0x93AA
  114. // GL_ANGLE_robust_resource_initialization
  115. #define GL_ROBUST_RESOURCE_INITIALIZATION_ANGLE 0x93AB
  116. #define GL_RESOURCE_INITIALIZED_ANGLE 0x969F
  117. // GL_ANGLE_request_extension
  118. #define GL_REQUESTABLE_EXTENSIONS_ANGLE 0x93A8
  119. #define GL_NUM_REQUESTABLE_EXTENSIONS_ANGLE 0x93A9
  120. // GL_ANGLE_memory_size
  121. #define GL_MEMORY_SIZE_ANGLE 0x93AD
  122. // GL_ANGLE_rgbx_internal_format
  123. #define GL_RGBX8_ANGLE 0x96BA
  124. // GL_EXT_occlusion_query_boolean
  125. #define GL_ANY_SAMPLES_PASSED_EXT 0x8C2F
  126. #define GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT 0x8D6A
  127. #define GL_CURRENT_QUERY_EXT 0x8865
  128. #define GL_QUERY_RESULT_EXT 0x8866
  129. #define GL_QUERY_RESULT_AVAILABLE_EXT 0x8867
  130. // GL_ARB_occlusion_query
  131. #define GL_SAMPLES_PASSED_ARB 0x8914
  132. // GL_CHROMIUM_command_buffer_query
  133. #define GL_COMMANDS_ISSUED_CHROMIUM 0x6004
  134. #define GL_COMMANDS_ISSUED_TIMESTAMP_CHROMIUM 0x6005
  135. /* GL_CHROMIUM_get_error_query */
  136. #define GL_GET_ERROR_QUERY_CHROMIUM 0x6003
  137. /* GL_CHROMIUM_command_buffer_latency_query */
  138. #define GL_LATENCY_QUERY_CHROMIUM 0x6007
  139. /* GL_CHROMIUM_program_completion_query */
  140. #define GL_PROGRAM_COMPLETION_QUERY_CHROMIUM 0x6009
  141. /* GL_CHROMIUM_async_pixel_transfers */
  142. #define GL_ASYNC_PIXEL_PACK_COMPLETED_CHROMIUM 0x6006
  143. // GL_CHROMIUM_sync_query
  144. #define GL_COMMANDS_COMPLETED_CHROMIUM 0x84F7
  145. // GL_CHROMIUM_ycrcb_420_image
  146. #define GL_RGB_YCRCB_420_CHROMIUM 0x78FA
  147. // GL_CHROMIUM_ycbcr_422_image
  148. #define GL_RGB_YCBCR_422_CHROMIUM 0x78FB
  149. // GL_CHROMIUM_ycbcr_420v_image
  150. #define GL_RGB_YCBCR_420V_CHROMIUM 0x78FC
  151. // GL_CHROMIUM_ycbcr_p010_image
  152. #define GL_RGB_YCBCR_P010_CHROMIUM 0x78FD
  153. // GL_CHROMIUM_subscribe_uniforms
  154. #define GL_SUBSCRIBED_VALUES_BUFFER_CHROMIUM 0x924B
  155. #define GL_MOUSE_POSITION_CHROMIUM 0x924C
  156. // GL_CHROMIUM_texture_filtering_hint
  157. #define GL_TEXTURE_FILTERING_HINT_CHROMIUM 0x8AF0
  158. // GL_OES_texure_3D
  159. #define GL_SAMPLER_3D_OES 0x8B5F
  160. // GL_OES_depth24
  161. #define GL_DEPTH_COMPONENT24_OES 0x81A6
  162. // GL_OES_depth32
  163. #define GL_DEPTH_COMPONENT32_OES 0x81A7
  164. // GL_OES_packed_depth_stencil
  165. #ifndef GL_DEPTH24_STENCIL8_OES
  166. #define GL_DEPTH24_STENCIL8_OES 0x88F0
  167. #endif
  168. #ifndef GL_DEPTH24_STENCIL8
  169. #define GL_DEPTH24_STENCIL8 0x88F0
  170. #endif
  171. // GL_OES_compressed_ETC1_RGB8_texture
  172. #define GL_ETC1_RGB8_OES 0x8D64
  173. // GL_OES_compressed_ETC2_RGB8_texture
  174. #define GL_COMPRESSED_RGB8_ETC2 0x9274
  175. // GL_AMD_compressed_ATC_texture
  176. #define GL_ATC_RGB_AMD 0x8C92
  177. #define GL_ATC_RGBA_EXPLICIT_ALPHA_AMD 0x8C93
  178. #define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD 0x87EE
  179. // GL_IMG_texture_compression_pvrtc
  180. #define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
  181. #define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
  182. #define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
  183. #define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
  184. // GL_EXT_texture_compression_bptc
  185. #define GL_COMPRESSED_RGBA_BPTC_UNORM_EXT 0x8E8C
  186. #define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT 0x8E8D
  187. #define GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT 0x8E8E
  188. #define GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT 0x8E8F
  189. // GL_EXT_texture_compression_rgtc
  190. #define GL_COMPRESSED_RED_RGTC1_EXT 0x8DBB
  191. #define GL_COMPRESSED_SIGNED_RED_RGTC1_EXT 0x8DBC
  192. #define GL_COMPRESSED_RED_GREEN_RGTC2_EXT 0x8DBD
  193. #define GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT 0x8DBE
  194. // GL_OES_vertex_array_object
  195. #define GL_VERTEX_ARRAY_BINDING_OES 0x85B5
  196. // GL_CHROMIUM_pixel_transfer_buffer_object
  197. #define GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM 0x78EC
  198. #define GL_PIXEL_PACK_TRANSFER_BUFFER_CHROMIUM 0x78ED
  199. #define GL_PIXEL_PACK_TRANSFER_BUFFER_BINDING_CHROMIUM 0x78EE
  200. #define GL_PIXEL_UNPACK_TRANSFER_BUFFER_BINDING_CHROMIUM 0x78EF
  201. /* GL_EXT_discard_framebuffer */
  202. #ifndef GL_EXT_discard_framebuffer
  203. #define GL_COLOR_EXT 0x1800
  204. #define GL_DEPTH_EXT 0x1801
  205. #define GL_STENCIL_EXT 0x1802
  206. #endif
  207. // GL_EXT_sRGB
  208. #define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
  209. // GL_ARB_get_program_binary
  210. #define PROGRAM_BINARY_RETRIEVABLE_HINT 0x8257
  211. // GL_OES_get_program_binary
  212. #define GL_PROGRAM_BINARY_LENGTH_OES 0x8741
  213. #define GL_NUM_PROGRAM_BINARY_FORMATS_OES 0x87FE
  214. #define GL_PROGRAM_BINARY_FORMATS_OES 0x87FF
  215. #ifndef GL_EXT_multisampled_render_to_texture
  216. #define GL_RENDERBUFFER_SAMPLES_EXT 0x8CAB
  217. #define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT 0x8D56
  218. #define GL_MAX_SAMPLES_EXT 0x8D57
  219. #define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT 0x8D6C
  220. #endif
  221. #ifndef GL_IMG_multisampled_render_to_texture
  222. #define GL_RENDERBUFFER_SAMPLES_IMG 0x9133
  223. #define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_IMG 0x9134
  224. #define GL_MAX_SAMPLES_IMG 0x9135
  225. #define GL_TEXTURE_SAMPLES_IMG 0x9136
  226. #endif
  227. #ifndef GL_CHROMIUM_path_rendering
  228. #define GL_CHROMIUM_path_rendering 1
  229. // These match the corresponding values in NV_path_rendering
  230. // extension, eg tokens with CHROMIUM replaced with NV.
  231. #define GL_PATH_MODELVIEW_MATRIX_CHROMIUM 0x0BA6
  232. #define GL_PATH_PROJECTION_MATRIX_CHROMIUM 0x0BA7
  233. #define GL_PATH_MODELVIEW_CHROMIUM 0x1700
  234. #define GL_PATH_PROJECTION_CHROMIUM 0x1701
  235. #define GL_FLAT_CHROMIUM 0x1D00
  236. #define GL_CLOSE_PATH_CHROMIUM 0x00
  237. #define GL_MOVE_TO_CHROMIUM 0x02
  238. #define GL_LINE_TO_CHROMIUM 0x04
  239. #define GL_QUADRATIC_CURVE_TO_CHROMIUM 0x0A
  240. #define GL_CUBIC_CURVE_TO_CHROMIUM 0x0C
  241. #define GL_CONIC_CURVE_TO_CHROMIUM 0x1A
  242. #define GL_EYE_LINEAR_CHROMIUM 0x2400
  243. #define GL_OBJECT_LINEAR_CHROMIUM 0x2401
  244. #define GL_CONSTANT_CHROMIUM 0x8576
  245. #define GL_PATH_STROKE_WIDTH_CHROMIUM 0x9075
  246. #define GL_PATH_END_CAPS_CHROMIUM 0x9076
  247. #define GL_PATH_JOIN_STYLE_CHROMIUM 0x9079
  248. #define GL_PATH_MITER_LIMIT_CHROMIUM 0x907a
  249. #define GL_PATH_STROKE_BOUND_CHROMIUM 0x9086
  250. #define GL_COUNT_UP_CHROMIUM 0x9088
  251. #define GL_COUNT_DOWN_CHROMIUM 0x9089
  252. #define GL_CONVEX_HULL_CHROMIUM 0x908B
  253. #define GL_BOUNDING_BOX_CHROMIUM 0x908D
  254. #define GL_TRANSLATE_X_CHROMIUM 0x908E
  255. #define GL_TRANSLATE_Y_CHROMIUM 0x908F
  256. #define GL_TRANSLATE_2D_CHROMIUM 0x9090
  257. #define GL_TRANSLATE_3D_CHROMIUM 0x9091
  258. #define GL_AFFINE_2D_CHROMIUM 0x9092
  259. #define GL_AFFINE_3D_CHROMIUM 0x9094
  260. #define GL_TRANSPOSE_AFFINE_2D_CHROMIUM 0x9096
  261. #define GL_TRANSPOSE_AFFINE_3D_CHROMIUM 0x9098
  262. #define GL_BOUNDING_BOX_OF_BOUNDING_BOXES_CHROMIUM 0x909C
  263. #define GL_SQUARE_CHROMIUM 0x90a3
  264. #define GL_ROUND_CHROMIUM 0x90a4
  265. #define GL_BEVEL_CHROMIUM 0x90a6
  266. #define GL_MITER_REVERT_CHROMIUM 0x90a7
  267. #define GL_PATH_STENCIL_FUNC_CHROMIUM 0x90B7
  268. #define GL_PATH_STENCIL_REF_CHROMIUM 0x90B8
  269. #define GL_PATH_STENCIL_VALUE_MASK_CHROMIUM 0x90B9
  270. #endif
  271. #ifndef GL_EXT_multisample_compatibility
  272. #define GL_EXT_multisample_compatibility 1
  273. #define GL_MULTISAMPLE_EXT 0x809D
  274. #define GL_SAMPLE_ALPHA_TO_ONE_EXT 0x809F
  275. #endif /* GL_EXT_multisample_compatibility */
  276. #ifndef GL_CHROMIUM_framebuffer_mixed_samples
  277. #define GL_CHROMIUM_framebuffer_mixed_samples 1
  278. #define GL_COVERAGE_MODULATION_CHROMIUM 0x9332
  279. #endif /* GL_CHROMIUM_framebuffer_mixed_samples */
  280. #ifndef GL_KHR_blend_equation_advanced
  281. #define GL_KHR_blend_equation_advanced 1
  282. #define GL_COLORBURN_KHR 0x929A
  283. #define GL_COLORDODGE_KHR 0x9299
  284. #define GL_DARKEN_KHR 0x9297
  285. #define GL_DIFFERENCE_KHR 0x929E
  286. #define GL_EXCLUSION_KHR 0x92A0
  287. #define GL_HARDLIGHT_KHR 0x929B
  288. #define GL_HSL_COLOR_KHR 0x92AF
  289. #define GL_HSL_HUE_KHR 0x92AD
  290. #define GL_HSL_LUMINOSITY_KHR 0x92B0
  291. #define GL_HSL_SATURATION_KHR 0x92AE
  292. #define GL_LIGHTEN_KHR 0x9298
  293. #define GL_MULTIPLY_KHR 0x9294
  294. #define GL_OVERLAY_KHR 0x9296
  295. #define GL_SCREEN_KHR 0x9295
  296. #define GL_SOFTLIGHT_KHR 0x929C
  297. #endif /* GL_KHR_blend_equation_advanced */
  298. #ifndef GL_KHR_blend_equation_advanced_coherent
  299. #define GL_KHR_blend_equation_advanced_coherent 1
  300. #define GL_BLEND_ADVANCED_COHERENT_KHR 0x9285
  301. #endif /* GL_KHR_blend_equation_advanced_coherent */
  302. #ifndef GL_EXT_disjoint_timer_query
  303. #define GL_EXT_disjoint_timer_query 1
  304. #define GL_QUERY_COUNTER_BITS_EXT 0x8864
  305. #define GL_TIME_ELAPSED_EXT 0x88BF
  306. #define GL_TIMESTAMP_EXT 0x8E28
  307. #define GL_GPU_DISJOINT_EXT 0x8FBB
  308. #endif
  309. #ifndef GL_KHR_robustness
  310. #define GL_KHR_robustness 1
  311. #define GL_CONTEXT_ROBUST_ACCESS_KHR 0x90F3
  312. #define GL_LOSE_CONTEXT_ON_RESET_KHR 0x8252
  313. #define GL_GUILTY_CONTEXT_RESET_KHR 0x8253
  314. #define GL_INNOCENT_CONTEXT_RESET_KHR 0x8254
  315. #define GL_UNKNOWN_CONTEXT_RESET_KHR 0x8255
  316. #define GL_RESET_NOTIFICATION_STRATEGY_KHR 0x8256
  317. #define GL_NO_RESET_NOTIFICATION_KHR 0x8261
  318. #define GL_CONTEXT_LOST_KHR 0x0507
  319. #endif /* GL_KHR_robustness */
  320. #ifndef GL_EXT_texture_norm16
  321. #define GL_EXT_texture_norm16 1
  322. #define GL_R16_EXT 0x822A
  323. #define GL_RG16_EXT 0x822C
  324. #define GL_RGBA16_EXT 0x805B
  325. #define GL_RGB16_EXT 0x8054
  326. #define GL_R16_SNORM_EXT 0x8F98
  327. #define GL_RG16_SNORM_EXT 0x8F99
  328. #define GL_RGBA16_SNORM_EXT 0x8F9B
  329. #define GL_RGB16_SNORM_EXT 0x8F9A
  330. #endif /* GL_EXT_texture_norm16 */
  331. #ifndef GL_EXT_texture_rg
  332. #define GL_EXT_texture_rg 1
  333. #define GL_RED_EXT 0x1903
  334. #define GL_RG_EXT 0x8227
  335. #define GL_R8_EXT 0x8229
  336. #define GL_RG8_EXT 0x822B
  337. #endif /* GL_EXT_texture_rg */
  338. // This is from NV_path_rendering, but the GL header is not up to date with the
  339. // most recent version of the extension. This definition could be removed once
  340. // glext.h r27498 or later is imported.
  341. #ifndef GL_FRAGMENT_INPUT_NV
  342. #define GL_FRAGMENT_INPUT_NV 0x936D
  343. #endif
  344. #ifndef GL_EXT_blend_func_extended
  345. #define GL_EXT_blend_func_extended 1
  346. #define GL_SRC_ALPHA_SATURATE_EXT 0x0308
  347. #define GL_SRC1_ALPHA_EXT 0x8589 // OpenGL 1.5 token value
  348. #define GL_SRC1_COLOR_EXT 0x88F9
  349. #define GL_ONE_MINUS_SRC1_COLOR_EXT 0x88FA
  350. #define GL_ONE_MINUS_SRC1_ALPHA_EXT 0x88FB
  351. #define GL_MAX_DUAL_SOURCE_DRAW_BUFFERS_EXT 0x88FC
  352. #endif /* GL_EXT_blend_func_extended */
  353. #ifndef GL_OES_draw_buffers_indexed
  354. #define GL_OES_draw_buffers_indexed 1
  355. #define GL_BLEND_EQUATION_RGB 0x8009
  356. #define GL_BLEND_EQUATION_ALPHA 0x883D
  357. #define GL_BLEND_SRC_RGB 0x80C9
  358. #define GL_BLEND_SRC_ALPHA 0x80CB
  359. #define GL_BLEND_DST_RGB 0x80C8
  360. #define GL_BLEND_DST_ALPHA 0x80CA
  361. #define GL_COLOR_WRITEMASK 0x0C23
  362. #endif /* GL_OES_draw_buffers_indexed */
  363. #ifndef GL_EXT_window_rectangles
  364. #define GL_EXT_window_rectangles 1
  365. #define GL_INCLUSIVE_EXT 0x8F10
  366. #define GL_EXCLUSIVE_EXT 0x8F11
  367. #define GL_WINDOW_RECTANGLE_EXT 0x8F12
  368. #define GL_WINDOW_RECTANGLE_MODE_EXT 0x8F13
  369. #define GL_MAX_WINDOW_RECTANGLES_EXT 0x8F14
  370. #define GL_NUM_WINDOW_RECTANGLES_EXT 0x8F15
  371. #endif /* GL_EXT_window_rectangles */
  372. #ifndef GL_CHROMIUM_nonblocking_readback
  373. #define GL_CHROMIUM_nonblocking_readback 1
  374. #define GL_READBACK_SHADOW_COPIES_UPDATED_CHROMIUM 0x84F8
  375. #endif /* GL_CHROMIUM_nonblocking_readback */
  376. #ifndef GL_MESA_framebuffer_flip_y
  377. #define GL_MESA_framebuffer_flip_y 1
  378. #define GL_FRAMEBUFFER_FLIP_Y_MESA 0x8BBB
  379. #endif /* GL_MESA_framebuffer_flip_y */
  380. #ifndef GL_KHR_parallel_shader_compile
  381. #define GL_KHR_parallel_shader_compile 1
  382. #define GL_MAX_SHADER_COMPILER_THREADS_KHR 0x91B0
  383. #define GL_COMPLETION_STATUS_KHR 0x91B1
  384. #endif /* GL_KHR_parallel_shader_compile */
  385. #ifndef GL_CHROMIUM_shared_image
  386. #define GL_CHROMIUM_shared_image 1
  387. #define GL_SHARED_IMAGE_ACCESS_MODE_READ_CHROMIUM 0x8AF6
  388. #define GL_SHARED_IMAGE_ACCESS_MODE_READWRITE_CHROMIUM 0x8AF7
  389. #define GL_SHARED_IMAGE_ACCESS_MODE_OVERLAY_CHROMIUM 0x8AF8
  390. #endif /* GL_CHROMIUM_shared_image */
  391. #ifndef GL_NV_internalformat_sample_query
  392. #define GL_MULTISAMPLES_NV 0x9371
  393. #define GL_SUPERSAMPLE_SCALE_X_NV 0x9372
  394. #define GL_SUPERSAMPLE_SCALE_Y_NV 0x9373
  395. #define GL_CONFORMANT_NV 0x9374
  396. #endif /* GL_NV_internalformat_sample_query */
  397. #ifndef GL_EXT_YUV_target
  398. #define GL_EXT_YUV_target 1
  399. #define GL_SAMPLER_EXTERNAL_2D_Y2Y_EXT 0x8BE7
  400. #endif /* GL_EXT_YUV_target */
  401. #define GL_GLEXT_PROTOTYPES 1
  402. #if BUILDFLAG(IS_WIN)
  403. #define GL_BINDING_CALL WINAPI
  404. #else
  405. #define GL_BINDING_CALL
  406. #endif
  407. #if defined(NDEBUG) && !defined(GPU_ENABLE_SERVICE_LOGGING)
  408. #define GL_SERVICE_LOG(args) DLOG(INFO) << args;
  409. #define GL_SERVICE_LOG_CODE_BLOCK(code)
  410. #else
  411. #define GL_SERVICE_LOG(args) LOG(INFO) << args;
  412. #define GL_SERVICE_LOG_CODE_BLOCK(code) code
  413. #endif
  414. // OVR_multiview2 constants.
  415. #define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR 0x9630
  416. #define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR 0x9632
  417. #define GL_MAX_VIEWS_OVR 0x9631
  418. #define GL_FRAMEBUFFER_INCOMPLETE_VIEW_TARGETS_OVR 0x9633
  419. #define GL_QUERY_RESULT_AVAILABLE_NO_FLUSH_CHROMIUM_EXT 0x8868
  420. // Forward declare EGL types.
  421. typedef uint64_t EGLuint64CHROMIUM;
  422. #include "gl_bindings_autogen_gl.h"
  423. #if defined(USE_EGL)
  424. #include "gl_bindings_autogen_egl.h"
  425. #endif
  426. #if defined(USE_GLX)
  427. #include "gl_bindings_autogen_glx.h"
  428. #endif
  429. namespace gl {
  430. struct GLVersionInfo;
  431. struct GL_EXPORT DriverGL {
  432. void InitializeStaticBindings();
  433. void InitializeDynamicBindings(const GLVersionInfo* ver,
  434. const gfx::ExtensionSet& extensions);
  435. void ClearBindings();
  436. ProcsGL fn;
  437. ExtensionsGL ext;
  438. DriverGL() {
  439. // InitializeStaticBindings() requires that fn is null-initialized.
  440. ClearBindings();
  441. }
  442. };
  443. struct GL_EXPORT CurrentGL {
  444. GLApi* Api = nullptr;
  445. DriverGL* Driver = nullptr;
  446. const GLVersionInfo* Version = nullptr;
  447. };
  448. #if defined(USE_EGL)
  449. struct GL_EXPORT DriverEGL {
  450. void InitializeStaticBindings();
  451. void ClearBindings();
  452. ProcsEGL fn;
  453. ClientExtensionsEGL client_ext;
  454. };
  455. #endif
  456. #if defined(USE_GLX)
  457. struct GL_EXPORT DriverGLX {
  458. void InitializeStaticBindings();
  459. void InitializeExtensionBindings();
  460. void ClearBindings();
  461. ProcsGLX fn;
  462. ExtensionsGLX ext;
  463. private:
  464. static std::string GetPlatformExtensions();
  465. };
  466. #endif
  467. // This #define is here to support autogenerated code.
  468. #define g_current_gl_context g_current_gl_context_tls->Get()->Api
  469. #define g_current_gl_driver g_current_gl_context_tls->Get()->Driver
  470. #define g_current_gl_version g_current_gl_context_tls->Get()->Version
  471. GL_EXPORT extern base::ThreadLocalPointer<CurrentGL>* g_current_gl_context_tls;
  472. #if defined(USE_EGL)
  473. GL_EXPORT extern EGLApi* g_current_egl_context;
  474. GL_EXPORT extern DriverEGL g_driver_egl;
  475. #endif
  476. #if defined(USE_GLX)
  477. GL_EXPORT extern GLXApi* g_current_glx_context;
  478. GL_EXPORT extern DriverGLX g_driver_glx;
  479. #endif
  480. } // namespace gl
  481. #endif // UI_GL_GL_BINDINGS_H_