submodule/skia/tools/gpu/gl/interface/interface.json5

   1 // This file specifies which functions should be attached to GrGLInterface
   2 // for a given standard (OpenGL, OpenGL ES, etc). It allows specifing
   3 // how and when to attach them (e.g. only if an extension is present).
   4 // It is used for both the assemble and validate step.
   5 //
   6 // To regenerate the Assemble/Validate code after editing this file, execute:
   7 //
   8 //   make -C tools/gpu/gl/interface generate
   9 //
  10 // Currently it assumes the minimum versions:
  11 //   - GL: 2.0
  12 //   - GLES: 2.0
  13 //   - WebGL: [WIP] 1.0
  14 //
  15 // http://web.eecs.umich.edu/~sugih/courses/eecs487/common/notes/APITables.xml
  16 // is a handy reference comparing GL and GLES API
  17 [
  18   {
  19     "GL":    [{"ext": "<core>"}],
  20     "GLES":  [{"ext": "<core>"}],
  21     "WebGL": [{"ext": "<core>"}],
  22
  23     "functions": [
  24       "ActiveTexture", "AttachShader", "BindAttribLocation", "BindBuffer",
  25       "BindTexture", "BlendColor", "BlendEquation", "BlendFunc",
  26       "BufferData", "BufferSubData", "Clear", "ClearColor",
  27       "ClearStencil", "ColorMask", "CompileShader", "CompressedTexImage2D",
  28       "CompressedTexSubImage2D", "CopyTexSubImage2D", "CreateProgram", "CreateShader",
  29       "CullFace", "DeleteBuffers", "DeleteProgram",
  30       "DeleteShader", "DeleteTextures", "DepthMask", "Disable",
  31       "DisableVertexAttribArray", "DrawArrays", "DrawElements", "Enable",
  32       "EnableVertexAttribArray", "Finish", "Flush",
  33       "FrontFace", "GenBuffers",
  34       "GenTextures", "GetBufferParameteriv", "GetError",
  35       "GetFloatv", "GetIntegerv", "GetProgramInfoLog",
  36       "GetProgramiv", "GetShaderInfoLog",
  37       "GetShaderiv", "GetString",
  38       "GetUniformLocation", "IsTexture", "LineWidth", "LinkProgram", "PixelStorei",
  39       "ReadPixels", "Scissor", "ShaderSource", "StencilFunc",
  40       "StencilFuncSeparate", "StencilMask", "StencilMaskSeparate", "StencilOp",
  41       "StencilOpSeparate", "TexImage2D", "TexParameterf", "TexParameterfv", "TexParameteri",
  42       "TexParameteriv", "TexSubImage2D", "Uniform1f", "Uniform1fv", "Uniform1i", "Uniform1iv",
  43       "Uniform2f", "Uniform2fv", "Uniform2i", "Uniform2iv", "Uniform3f", "Uniform3fv", "Uniform3i",
  44       "Uniform3iv", "Uniform4f", "Uniform4fv", "Uniform4i", "Uniform4iv", "UniformMatrix2fv",
  45       "UniformMatrix3fv", "UniformMatrix4fv", "UseProgram", "VertexAttrib1f",
  46       "VertexAttrib2fv", "VertexAttrib3fv", "VertexAttrib4fv", "VertexAttribPointer",
  47       "Viewport",
  48     ],
  49   },
  50   { // GL exclusive core functions
  51     "GL":    [{"ext": "<core>"}],
  52     "GLES":  null,
  53
  54     "functions": [
  55       "DrawBuffer", "PolygonMode",
  56     ],
  57   },
  58   {
  59     "GL":    [{"min_version": [3, 0], "ext": "<core>"}],
  60     "GLES":  [{"min_version": [3, 0], "ext": "<core>"}],
  61     "WebGL": [{"min_version": [2, 0], "ext": "<core>"}],
  62
  63     "functions": [
  64       "GetStringi",
  65     ]
  66   },
  67   {
  68     "GL":    [{"min_version": [4, 2], "ext": "<core>"}],
  69     "GLES":  [{"min_version": [3, 1], "ext": "<core>"}],
  70     "WebGL": null,
  71
  72     "functions": [
  73       "MemoryBarrier",
  74     ],
  75     // TODO: Remove 'optional' once Chrome sets this function in the interface.
  76     "optional": [
  77       "MemoryBarrier",
  78     ]
  79   },
  80
  81   {
  82     "GL":    [{"min_version": [3, 0], "ext": "<core>"},
  83               {/*    else if      */  "ext": "GL_ARB_vertex_array_object"},
  84               {/*    else if      */  "ext": "GL_APPLE_vertex_array_object"}],
  85     "GLES":  [{"min_version": [3, 0], "ext": "<core>"},
  86               {/*    else if      */  "ext": "GL_OES_vertex_array_object"}],
  87     "WebGL": [{"min_version": [2, 0], "ext": "<core>"},
  88               {/*    else if      */  "ext": "GL_OES_vertex_array_object"},
  89               {/*    else if      */  "ext": "OES_vertex_array_object"}],
  90
  91     // WebGL uses createVertexArray instead of genVertexArrays, but Emscripten
  92     // creates an alias called genVertexArray which papers over this difference.
  93     "functions": [
  94       "BindVertexArray", "DeleteVertexArrays", "GenVertexArrays",
  95     ],
  96   },
  97
  98   {
  99     "GL":    [{"min_version": [4, 0], "ext": "<core>"},
 100               {/*    else if      */  "ext": "GL_ARB_tessellation_shader"}],
 101     "GLES":  [{"min_version": [3, 2], "ext": "<core>"},
 102               {/*    else if      */  "ext": "GL_OES_tessellation_shader"}],
 103     "WebGL": null,
 104
 105     "functions": [
 106       "PatchParameteri",
 107     ],
 108   },
 109
 110   {
 111     "GL":    [{"min_version": [3, 0], "ext": "<core>"}],
 112     "GLES":  [{"min_version": [3, 0], "ext": "GL_EXT_blend_func_extended"}],
 113     "WebGL": null,
 114
 115     "functions": [
 116       "BindFragDataLocation",
 117     ],
 118   },
 119   {
 120     "GL":    [{"min_version": [3, 3], "ext": "<core>"},
 121               {/*    else if      */  "ext": "GL_ARB_blend_func_extended"}],
 122     "GLES":  [{"min_version": [3, 0], "ext": "GL_EXT_blend_func_extended"}],
 123     "WebGL": null,
 124
 125     "functions": [
 126       "BindFragDataLocationIndexed",
 127     ],
 128   },
 129
 130   {
 131     "GL":    [{"ext": "GL_KHR_blend_equation_advanced"},
 132               {"ext": "GL_NV_blend_equation_advanced"}],
 133     "GLES":  [{"ext": "GL_KHR_blend_equation_advanced"},
 134               {"ext": "GL_NV_blend_equation_advanced"}],
 135     "WebGL": null,
 136
 137     "functions": [
 138       "BlendBarrier",
 139     ],
 140   },
 141
 142   {
 143     "GL":    [{"min_version": [4, 4], "ext": "<core>"},
 144               {/*    else if      */  "ext": "GL_ARB_clear_texture"}],
 145     "GLES":  [{"ext": "GL_EXT_clear_texture", "suffix": "EXT"}],
 146     "WebGL": null,
 147
 148     "functions": [
 149       "ClearTexImage", "ClearTexSubImage",
 150     ],
 151     // https://bugs.chromium.org/p/skia/issues/detail?id=8913
 152     "optional": [
 153       "ClearTexImage", "ClearTexSubImage",
 154     ]
 155   },
 156
 157   {
 158     "GL":    [{"min_version": [3, 1], "ext": "<core>"},
 159               {/*    else if      */  "ext": "GL_ARB_draw_instanced"},
 160               {/*    else if      */  "ext": "GL_EXT_draw_instanced"}],
 161     "GLES":  [{"min_version": [3, 0], "ext": "<core>"},
 162               {/*    else if      */  "ext": "GL_EXT_draw_instanced"},
 163               {/*    else if      */  "ext": "GL_ANGLE_instanced_arrays"}],
 164     "WebGL": [{"min_version": [2, 0], "ext": "<core>"}],
 165
 166     "functions": [
 167       "DrawArraysInstanced", "DrawElementsInstanced",
 168     ]
 169   },
 170
 171   {
 172     "GL":    [{"min_version": [4, 2], "ext": "<core>"},
 173               {/*    else if      */  "ext": "GL_ARB_base_instance"}],
 174     "GLES":  [{"ext": "GL_EXT_base_instance"},
 175               {/*    else if      */  "ext": "GL_ANGLE_base_vertex_base_instance"}],
 176     "WebGL": [{"ext": "GL_WEBGL_draw_instanced_base_vertex_base_instance"}],
 177
 178     "functions": [
 179       "DrawArraysInstancedBaseInstance", "DrawElementsInstancedBaseVertexBaseInstance"
 180     ]
 181   },
 182
 183   { // ES 3.0 has glDrawBuffers but not glDrawBuffer
 184     "GL":    [{"ext": "<core>"}],
 185     "GLES":  [{"min_version": [3, 0], "ext": "<core>"}],
 186     "WebGL": [{"min_version": [2, 0], "ext": "<core>"}],
 187
 188     "functions": [
 189       "DrawBuffers", "ReadBuffer",
 190     ]
 191   },
 192
 193   {
 194     "GL":    [{"min_version": [4, 0], "ext": "<core>"},
 195               {/*    else if      */  "ext": "GL_ARB_draw_indirect"}],
 196     "GLES":  [{"min_version": [3, 1], "ext": "<core>"}],
 197     "WebGL": null,
 198
 199     "functions": [
 200       "DrawArraysIndirect", "DrawElementsIndirect",
 201     ]
 202   },
 203
 204   {
 205     "GL":    null,
 206     "GLES":  [{"ext": "GL_ANGLE_base_vertex_base_instance"}],
 207     "WebGL": [{"ext": "GL_WEBGL_multi_draw_instanced_base_vertex_base_instance"}],
 208
 209     "functions": [
 210       "MultiDrawArraysInstancedBaseInstance", "MultiDrawElementsInstancedBaseVertexBaseInstance",
 211     ]
 212   },
 213
 214   { // glDrawRangeElements was added to ES in 3.0.
 215     "GL":    [{"ext": "<core>"}],
 216     "GLES":  [{"min_version": [3, 0], "ext": "<core>"}],
 217     "WebGL": [{"min_version": [2, 0], "ext": "<core>"}],
 218
 219     "functions": [
 220       "DrawRangeElements",
 221     ]
 222   },
 223
 224   {
 225     "GL":    [{"min_version": [3, 2], "ext": "<core>"},
 226               {/*    else if      */  "ext": "GL_ARB_texture_multisample"}],
 227     "GLES":  [{"min_version": [3, 1], "ext": "<core>"}],
 228     "WebGL": null,
 229
 230     "functions": [
 231       "GetMultisamplefv",
 232     ]
 233   },
 234
 235   // glGetTexLevelParameteriv was added to ES in 3.1.
 236   {
 237     "GL":    [{"ext": "<core>"}],
 238     "GLES":  [{"min_version": [3, 1], "ext": "<core>"}],
 239     "WebGL": null,
 240
 241     "functions": [
 242       "GetTexLevelParameteriv",
 243     ]
 244   },
 245
 246   {
 247     "GL":    [{"min_version": [4, 3], "ext": "<core>"},
 248               {/*    else if      */  "ext": "GL_ARB_multi_draw_indirect"}],
 249     "GLES":  [{"ext": "GL_EXT_multi_draw_indirect"}],
 250     "WebGL": null,
 251
 252     "functions": [
 253       "MultiDrawArraysIndirect", "MultiDrawElementsIndirect",
 254     ]
 255   },
 256
 257   {
 258     "GL":    [{"min_version": [3, 1], "ext": "<core>"}],
 259     "GLES":  [{"min_version": [3, 2], "ext": "<core>"},
 260               {/*    else if      */  "ext": "GL_OES_texture_buffer"},
 261               {/*    else if      */  "ext": "GL_EXT_texture_buffer"}],
 262     "WebGL": null,
 263
 264     "functions": [
 265       "TexBuffer",
 266     ]
 267   },
 268   {
 269     "GL":    [{"min_version": [4, 3], "ext": "<core>"}],
 270     "GLES":  [{"min_version": [3, 2], "ext": "<core>"},
 271               {/*    else if      */  "ext": "GL_OES_texture_buffer"},
 272               {/*    else if      */  "ext": "GL_EXT_texture_buffer"}],
 273     "WebGL": null,
 274
 275     "functions": [
 276       "TexBufferRange",
 277     ]
 278   },
 279
 280     // GL_EXT_texture_storage is part of desktop 4.2
 281     // There is a desktop ARB extension and an ES+desktop EXT extension
 282   {
 283     "GL":    [{"min_version": [4, 2], "ext": "<core>"},
 284               {/*    else if      */  "ext": "GL_ARB_texture_storage"},
 285               {/*    else if      */  "ext": "GL_EXT_texture_storage"}],
 286     "GLES":  [{"min_version": [3, 0], "ext": "<core>"},
 287               {/*    else if      */  "ext": "GL_EXT_texture_storage"}],
 288     "WebGL": [{"min_version": [2, 0], "ext": "<core>"}],
 289
 290     "functions": [
 291       "TexStorage2D",
 292     ]
 293   },
 294
 295   // glTextureBarrier is part of desktop 4.5. There are also ARB and NV extensions.
 296   {
 297     "GL":    [{"min_version": [4, 5], "ext": "<core>"},
 298               {/*    else if      */  "ext": "GL_ARB_texture_barrier"},
 299               {/*    else if      */  "ext": "GL_NV_texture_barrier"}],
 300     "GLES":  [{"ext": "GL_NV_texture_barrier"}],
 301     "WebGL": null,
 302
 303     "functions": [
 304       "TextureBarrier",
 305     ]
 306   },
 307
 308   {
 309     "GL":    null, // Not supported
 310     "GLES":  [{"ext": "GL_EXT_discard_framebuffer"}],
 311     "WebGL": null,
 312
 313     "functions": [
 314       "DiscardFramebuffer",
 315     ]
 316   },
 317
 318   {
 319     "GL":    null, // Not supported
 320     "GLES":  [{"ext": "GL_QCOM_tiled_rendering"}],
 321     "WebGL": null,
 322
 323     "functions": [
 324       "StartTiling", "EndTiling",
 325     ],
 326     // https://github.com/flutter/flutter/issues/47164
 327     // https://github.com/flutter/flutter/issues/47804
 328     "optional": [
 329       "StartTiling", "EndTiling",
 330     ]
 331   },
 332
 333   {
 334     "GL":    [{"min_version": [3, 2], "ext": "<core>"},
 335               {/*    else if      */  "ext": "GL_ARB_instanced_arrays"}],
 336     "GLES":  [{"min_version": [3, 0], "ext": "<core>"},
 337               {/*    else if      */  "ext": "GL_EXT_instanced_arrays"},
 338               {/*    else if      */  "ext": "GL_ANGLE_instanced_arrays"}],
 339     "WebGL": [{"min_version": [2, 0], "ext": "<core>"}],
 340
 341     "functions": [
 342       "VertexAttribDivisor",
 343     ]
 344   },
 345   {
 346     "GL":    [{"min_version": [3, 0], "ext": "<core>"}],
 347     "GLES":  [{"min_version": [3, 0], "ext": "<core>"}],
 348     "WebGL": [{"min_version": [2, 0], "ext": "<core>"}],
 349
 350     "functions": [
 351       "VertexAttribIPointer",
 352     ]
 353   },
 354
 355   // FrameBuffer Object (FBO) related calls
 356   {
 357     "GL":    [{"min_version": [3, 0], "ext": "<core>"},
 358               {/*    else if      */  "ext": "GL_ARB_framebuffer_object"},
 359               {/*    else if      */  "ext": "GL_EXT_framebuffer_object"}],
 360     "GLES":  [{"ext": "<core>"}], // These are all in ES 2.0 and above
 361     "WebGL": [{"ext": "<core>"}],
 362
 363     "functions": [
 364       "BindFramebuffer", "BindRenderbuffer", "CheckFramebufferStatus",
 365       "DeleteFramebuffers", "DeleteRenderbuffers", "FramebufferRenderbuffer",
 366       "FramebufferTexture2D", "GenFramebuffers", "GenRenderbuffers", "GenerateMipmap",
 367       "GetFramebufferAttachmentParameteriv", "GetRenderbufferParameteriv",
 368       "RenderbufferStorage",
 369     ],
 370   },
 371   {
 372     "GL":    [{"min_version": [3, 0], "ext": "<core>"},
 373               {/*    else if      */  "ext": "GL_ARB_framebuffer_object"},
 374               {/*    else if      */  "ext": "GL_EXT_framebuffer_blit"}],
 375     "GLES":  [{"min_version": [3, 0], "ext": "<core>"},
 376               {/*    else if      */  "ext": "GL_NV_framebuffer_blit"},
 377               {/*    else if      */  "ext": "GL_CHROMIUM_framebuffer_multisample"},
 378               {/*    else if      */  "ext": "GL_ANGLE_framebuffer_blit"}],
 379     "WebGL": [{"min_version": [2, 0], "ext": "<core>"}],
 380
 381     "functions": [
 382       "BlitFramebuffer",
 383     ],
 384   },
 385   {
 386     "GL":    [{"min_version": [3, 0], "ext": "<core>"},
 387               {/*    else if      */  "ext": "GL_ARB_framebuffer_object"},
 388               {/*    else if      */  "ext": "GL_EXT_framebuffer_multisample"}],
 389     "GLES":  [{"min_version": [3, 0], "ext": "<core>"},
 390               {/*    else if      */  "ext": "GL_CHROMIUM_framebuffer_multisample"},
 391               {/*    else if      */  "ext": "GL_ANGLE_framebuffer_multisample"}],
 392     "WebGL": [{"min_version": [2, 0], "ext": "<core>"}],
 393
 394     "functions": [
 395       "RenderbufferStorageMultisample",
 396     ],
 397   },
 398
 399   {
 400     "GL":    null,
 401     "GLES":  [{"ext": "GL_CHROMIUM_map_sub"}],
 402     "WebGL": null,
 403
 404     "functions": [
 405       "MapBufferSubData", "MapTexSubImage2D", "UnmapBufferSubData",
 406       "UnmapTexSubImage2D"
 407     ],
 408   },
 409
 410   {
 411     "GL":    null,
 412     "GLES":  [{"ext": "GL_EXT_multisampled_render_to_texture"},
 413               {"ext": "GL_IMG_multisampled_render_to_texture"}],
 414     "WebGL": null,
 415
 416     "functions": [
 417       "FramebufferTexture2DMultisample",
 418     ],
 419   },
 420   {
 421     "GL":    null,
 422     "GLES":  [{"ext": "GL_EXT_multisampled_render_to_texture"}],
 423     "WebGL": null,
 424
 425     "hardcode_functions" : [
 426       {
 427         "ptr_name": "fRenderbufferStorageMultisampleES2EXT",
 428         "cast_name": "GrGLRenderbufferStorageMultisampleFn",
 429         "get_name": "glRenderbufferStorageMultisampleEXT",
 430       }
 431     ]
 432   },
 433   {
 434     "GL":    null,
 435     "GLES":  [{"ext": "GL_IMG_multisampled_render_to_texture"}],
 436     "WebGL": null,
 437
 438     "hardcode_functions" : [
 439       {
 440         "ptr_name": "fRenderbufferStorageMultisampleES2EXT",
 441         "cast_name": "GrGLRenderbufferStorageMultisampleFn",
 442         "get_name": "glRenderbufferStorageMultisampleIMG",
 443       }
 444     ]
 445   },
 446   {
 447     "GL":    null,
 448     "GLES":  [{"ext": "GL_APPLE_framebuffer_multisample"}],
 449     "WebGL": null,
 450
 451     "functions" : ["ResolveMultisampleFramebuffer"],
 452     "hardcode_functions" : [
 453       {
 454         "ptr_name": "fRenderbufferStorageMultisampleES2APPLE",
 455         "cast_name": "GrGLRenderbufferStorageMultisampleFn",
 456         "get_name": "glRenderbufferStorageMultisampleAPPLE",
 457       }
 458     ]
 459   },
 460
 461     // There are several APIs for buffer mapping:
 462     // ES2 + GL_OES_mapbuffer: MapBufferOES and UnmapBufferOES
 463     // ES2 + GL_EXT_map_buffer_range: Adds MapBufferRangeEXT and FlushMappedBufferRangeEXT
 464     // ES3: MapBufferRange, FlushMappedBufferRange, and UnmapBuffer are core (so no suffix).
 465     //
 466     // MapBuffer is not part of ES3, but implementations may still report the OES versions of
 467     // MapBuffer and UnmapBuffer, per the older GL_OES_mapbuffer extension. Some implementations
 468     // let us mix the newer MapBufferRange with the older UnmapBufferOES, but we've hit others that
 469     // don't permit it. Note that in GrGLBuffer, we choose which API to use based on version and
 470     // extensions. This code is written so that we never mix OES and non-OES functions.
 471   {
 472     "GL":    [{"ext": "<core>"}],
 473     "GLES":  [{"ext": "GL_OES_mapbuffer"}],
 474     "WebGL": null,
 475
 476     "functions": [
 477       "MapBuffer",
 478     ],
 479   },
 480   {
 481     "GL":    [{"ext": "<core>"}],
 482     "GLES":  [{"min_version": [3, 0], "ext": "<core>"},
 483               {/*    else if      */  "ext": "GL_OES_mapbuffer"}],
 484     "WebGL": null, // explicitly removed https://www.khronos.org/registry/webgl/specs/2.0/#5.14
 485
 486     "functions": [
 487       "UnmapBuffer",
 488     ],
 489   },
 490   {
 491     "GL":    [{"min_version": [3, 0], "ext": "<core>"},
 492               {/*    else if      */  "ext": "GL_ARB_map_buffer_range"}],
 493     "GLES":  [{"min_version": [3, 0], "ext": "<core>"},
 494               {/*    else if      */  "ext": "GL_EXT_map_buffer_range"}],
 495     "WebGL": null, // explicitly removed https://www.khronos.org/registry/webgl/specs/2.0/#5.14
 496
 497     "functions": [
 498       // These functions are added to the 3.0 version of both GLES and GL.
 499       "MapBufferRange", "FlushMappedBufferRange",
 500     ],
 501   },
 502
 503   {
 504     "GL":    [{"ext": "GL_EXT_debug_marker"}],
 505     "GLES":  [{"ext": "GL_EXT_debug_marker"}],
 506     "WebGL": null,
 507
 508     "functions": [
 509       "InsertEventMarker", "PushGroupMarker", "PopGroupMarker"
 510     ],
 511   },
 512
 513   {
 514     "GL":    [{"ext": "GL_NV_framebuffer_mixed_samples"}],
 515     "GLES":  [{"ext": "GL_CHROMIUM_framebuffer_mixed_samples"},
 516               {"ext": "GL_NV_framebuffer_mixed_samples"}],
 517     "WebGL": null,
 518
 519     "functions": [
 520       "CoverageModulation",
 521     ],
 522   },
 523
 524   {
 525     "GL":    [{"min_version": [4, 3], "ext": "<core>"},
 526               {/*    else if      */  "ext": "GL_KHR_debug", "suffix": ""}],
 527     "GLES":  [{"ext": "GL_KHR_debug"}],
 528     "WebGL": null,
 529
 530     // In OpenGL (but not ES), KHR_debug defines these methods to have no suffix.
 531     "functions": [
 532       "DebugMessageControl", "DebugMessageInsert", "DebugMessageCallback",
 533       "GetDebugMessageLog", "PushDebugGroup", "PopDebugGroup", "ObjectLabel",
 534     ],
 535   },
 536
 537   {
 538     "GL":    null,
 539     "GLES":  [{"ext": "GL_CHROMIUM_bind_uniform_location"}],
 540     "WebGL": null,
 541
 542     "functions": [
 543       "BindUniformLocation",
 544     ],
 545   },
 546
 547   {
 548     "GL":    [{"ext": "GL_EXT_window_rectangles"}],
 549     "GLES":  [{"ext": "GL_EXT_window_rectangles"}],
 550     "WebGL": null,
 551
 552     "functions": [
 553       "WindowRectangles",
 554     ],
 555   },
 556
 557   {
 558     "GL":    [{"min_version": [3, 2], "ext": "<core>"},
 559               {/*    else if      */  "ext": "GL_ARB_sync"}],
 560     "GLES":  [{"min_version": [3, 0], "ext": "<core>"},
 561               {/*    else if      */  "ext": "GL_APPLE_sync"}],
 562     "WebGL": [{"min_version": [2, 0], "ext": "<core>"}],
 563
 564     "functions": [
 565       "ClientWaitSync", "DeleteSync", "FenceSync",
 566       "IsSync", "WaitSync"
 567     ],
 568   },
 569
 570   {  // getInternalformativ was added in GL 4.2, ES 3.0, and with
 571      // extension ARB_internalformat_query
 572     "GL":    [{"min_version": [4, 2], "ext": "<core>"},
 573               {/*    else if      */  "ext": "GL_ARB_internalformat_query"}],
 574     "GLES":  [{"min_version": [3, 0], "ext": "<core>"}],
 575     "WebGL": null,
 576
 577     "functions": [
 578       "GetInternalformativ"
 579     ],
 580   },
 581
 582   // GetProgramBinary and ProgramBinary are available with an ES2 extension...
 583   {
 584     "GL":    [{"min_version": [4, 1], "ext": "<core>"}],
 585     "GLES":  [{"min_version": [3, 0], "ext": "<core>"},
 586               {/*    else if      */  "ext": "GL_OES_get_program_binary"}],
 587     "WebGL": null, // explicitly not supported in WebGL 2.0
 588
 589     "functions": [
 590       "GetProgramBinary", "ProgramBinary",
 591     ],
 592   },
 593
 594   // ... but the related ProgramParameteri is only in ES3
 595   {
 596     "GL":    [{"min_version": [4, 1], "ext": "<core>"}],
 597     "GLES":  [{"min_version": [3, 0], "ext": "<core>"}],
 598     "WebGL": null, // explicitly not supported in WebGL 2.0
 599
 600     "functions": [
 601       "ProgramParameteri",
 602     ],
 603   },
 604
 605   {
 606     "GL":    [{"min_version": [3, 2], "ext": "<core>"},
 607               {/*    else if      */  "ext": "GL_ARB_sampler_objects"}],
 608     "GLES":  [{"min_version": [3, 0], "ext": "<core>"}],
 609     "WebGL":  [{"min_version": [2, 0], "ext": "<core>"}],
 610
 611     "functions": [
 612       "BindSampler", "DeleteSamplers", "GenSamplers",
 613       "SamplerParameterf", "SamplerParameteri", "SamplerParameteriv",
 614     ],
 615   },
 616
 617   {
 618     "GL":    [{"ext": "<core>"}],
 619     "GLES":  null, // not in ES
 620     "WebGL": null,
 621
 622     "functions": [
 623       "GetQueryObjectiv",
 624     ],
 625   },
 626   {
 627     "GL":    [{"ext": "<core>"}],
 628     "GLES":  [{"min_version": [3, 0], "ext": "<core>"},
 629               {/*    else if      */  "ext": "GL_EXT_occlusion_query_boolean"}],
 630     "WebGL": null,
 631
 632     // We only use these in our test tools
 633     "test_functions": [
 634       "GenQueries", "DeleteQueries", "BeginQuery", "EndQuery",
 635       "GetQueryObjectuiv", "GetQueryiv",
 636     ]
 637   },
 638   {
 639     "GL":    [{"min_version": [3, 3], "ext": "<core>"},
 640               {/*    else if      */  "ext": "GL_ARB_timer_query"},
 641               {/*    else if      */  "ext": "GL_EXT_timer_query"}],
 642     "GLES":  null,
 643     "WebGL": null,
 644
 645     "functions": [
 646       "GetQueryObjecti64v", "GetQueryObjectui64v",
 647     ],
 648   },
 649   {
 650     "GL":    [{"min_version": [3, 3], "ext": "<core>"},
 651               {/*    else if      */  "ext": "GL_ARB_timer_query"}],
 652     "GLES":  null,
 653     "WebGL": null,
 654
 655     "functions": [
 656       "QueryCounter",
 657     ],
 658   },
 659
 660   {
 661     "GL":    [{"min_version": [4, 3], "ext": "<core>"},
 662               {/*    else if      */  "ext": "GL_ARB_invalidate_subdata"}],
 663     "GLES":  null,
 664     "WebGL": null,
 665
 666     "functions": [
 667       "InvalidateBufferData", "InvalidateBufferSubData", "InvalidateTexImage",
 668       "InvalidateTexSubImage",
 669     ],
 670   },
 671   {  // ES 3.0 adds the framebuffer functions but not the others.
 672     "GL":    [{"min_version": [4, 3], "ext": "<core>"},
 673               {/*    else if      */  "ext": "GL_ARB_invalidate_subdata"}],
 674     "GLES":  [{"min_version": [3, 0], "ext": "<core>"}],
 675     "WebGL": [{"min_version": [2, 0], "ext": "<core>"}],
 676
 677     "functions": [
 678       "InvalidateFramebuffer", "InvalidateSubFramebuffer",
 679     ],
 680   },
 681
 682   {
 683     "GL":    [{"min_version": [4, 3], "ext": "<core>"},
 684               {/*    else if      */  "ext": "GL_ARB_ES2_compatibility"}],
 685     "GLES":  [{"ext": "<core>"}],
 686     "WebGL": [{"ext": "<core>"}],
 687
 688     "functions": [
 689       "GetShaderPrecisionFormat",
 690     ],
 691   },
 692
 693   {
 694     "GL":    [{"ext": "GL_NV_fence"}],
 695     "GLES":  [{"ext": "GL_NV_fence"}],
 696     "WebGL": null,
 697
 698     "functions": [
 699       "DeleteFences", "FinishFence", "GenFences", "SetFence", "TestFence",
 700     ],
 701   }
 702 ]