dom/webidl/WebGL2RenderingContext.webidl

   1 /* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   4  * You can obtain one at http://mozilla.org/MPL/2.0/.
   5  *
   6  * The source for this IDL is found at https://www.khronos.org/registry/webgl/specs/latest/2.0
   7  * This IDL depends on WebGLRenderingContext.webidl
   8  */
   9
  10 typedef long long GLint64;
  11 typedef unsigned long long GLuint64;
  12
  13 [Pref="webgl.enable-webgl2",
  14  Func="mozilla::dom::OffscreenCanvas::PrefEnabledOnWorkerThread",
  15  Exposed=(Window,Worker)]
  16 interface WebGLSampler {
  17 };
  18
  19 [Pref="webgl.enable-webgl2",
  20  Func="mozilla::dom::OffscreenCanvas::PrefEnabledOnWorkerThread",
  21  Exposed=(Window,Worker)]
  22 interface WebGLSync {
  23 };
  24
  25 [Pref="webgl.enable-webgl2",
  26  Func="mozilla::dom::OffscreenCanvas::PrefEnabledOnWorkerThread",
  27  Exposed=(Window,Worker)]
  28 interface WebGLTransformFeedback {
  29 };
  30
  31 typedef ([AllowShared] Uint32Array or sequence<GLuint>) Uint32List;
  32
  33 // WebGL2 spec has this as an empty interface that pulls in everything
  34 // via WebGL2RenderingContextBase.
  35 [Pref="webgl.enable-webgl2",
  36  Func="mozilla::dom::OffscreenCanvas::PrefEnabledOnWorkerThread",
  37  Exposed=(Window,Worker)]
  38 interface WebGL2RenderingContext
  39 {
  40 };
  41
  42 interface mixin WebGL2RenderingContextBase
  43 {
  44     const GLenum READ_BUFFER                                   = 0x0C02;
  45     const GLenum UNPACK_ROW_LENGTH                             = 0x0CF2;
  46     const GLenum UNPACK_SKIP_ROWS                              = 0x0CF3;
  47     const GLenum UNPACK_SKIP_PIXELS                            = 0x0CF4;
  48     const GLenum PACK_ROW_LENGTH                               = 0x0D02;
  49     const GLenum PACK_SKIP_ROWS                                = 0x0D03;
  50     const GLenum PACK_SKIP_PIXELS                              = 0x0D04;
  51     const GLenum COLOR                                         = 0x1800;
  52     const GLenum DEPTH                                         = 0x1801;
  53     const GLenum STENCIL                                       = 0x1802;
  54     const GLenum RED                                           = 0x1903;
  55     const GLenum RGB8                                          = 0x8051;
  56     const GLenum RGBA8                                         = 0x8058;
  57     const GLenum RGB10_A2                                      = 0x8059;
  58     const GLenum TEXTURE_BINDING_3D                            = 0x806A;
  59     const GLenum UNPACK_SKIP_IMAGES                            = 0x806D;
  60     const GLenum UNPACK_IMAGE_HEIGHT                           = 0x806E;
  61     const GLenum TEXTURE_3D                                    = 0x806F;
  62     const GLenum TEXTURE_WRAP_R                                = 0x8072;
  63     const GLenum MAX_3D_TEXTURE_SIZE                           = 0x8073;
  64     const GLenum UNSIGNED_INT_2_10_10_10_REV                   = 0x8368;
  65     const GLenum MAX_ELEMENTS_VERTICES                         = 0x80E8;
  66     const GLenum MAX_ELEMENTS_INDICES                          = 0x80E9;
  67     const GLenum TEXTURE_MIN_LOD                               = 0x813A;
  68     const GLenum TEXTURE_MAX_LOD                               = 0x813B;
  69     const GLenum TEXTURE_BASE_LEVEL                            = 0x813C;
  70     const GLenum TEXTURE_MAX_LEVEL                             = 0x813D;
  71     const GLenum MIN                                           = 0x8007;
  72     const GLenum MAX                                           = 0x8008;
  73     const GLenum DEPTH_COMPONENT24                             = 0x81A6;
  74     const GLenum MAX_TEXTURE_LOD_BIAS                          = 0x84FD;
  75     const GLenum TEXTURE_COMPARE_MODE                          = 0x884C;
  76     const GLenum TEXTURE_COMPARE_FUNC                          = 0x884D;
  77     const GLenum CURRENT_QUERY                                 = 0x8865;
  78     const GLenum QUERY_RESULT                                  = 0x8866;
  79     const GLenum QUERY_RESULT_AVAILABLE                        = 0x8867;
  80     const GLenum STREAM_READ                                   = 0x88E1;
  81     const GLenum STREAM_COPY                                   = 0x88E2;
  82     const GLenum STATIC_READ                                   = 0x88E5;
  83     const GLenum STATIC_COPY                                   = 0x88E6;
  84     const GLenum DYNAMIC_READ                                  = 0x88E9;
  85     const GLenum DYNAMIC_COPY                                  = 0x88EA;
  86     const GLenum MAX_DRAW_BUFFERS                              = 0x8824;
  87     const GLenum DRAW_BUFFER0                                  = 0x8825;
  88     const GLenum DRAW_BUFFER1                                  = 0x8826;
  89     const GLenum DRAW_BUFFER2                                  = 0x8827;
  90     const GLenum DRAW_BUFFER3                                  = 0x8828;
  91     const GLenum DRAW_BUFFER4                                  = 0x8829;
  92     const GLenum DRAW_BUFFER5                                  = 0x882A;
  93     const GLenum DRAW_BUFFER6                                  = 0x882B;
  94     const GLenum DRAW_BUFFER7                                  = 0x882C;
  95     const GLenum DRAW_BUFFER8                                  = 0x882D;
  96     const GLenum DRAW_BUFFER9                                  = 0x882E;
  97     const GLenum DRAW_BUFFER10                                 = 0x882F;
  98     const GLenum DRAW_BUFFER11                                 = 0x8830;
  99     const GLenum DRAW_BUFFER12                                 = 0x8831;
 100     const GLenum DRAW_BUFFER13                                 = 0x8832;
 101     const GLenum DRAW_BUFFER14                                 = 0x8833;
 102     const GLenum DRAW_BUFFER15                                 = 0x8834;
 103     const GLenum MAX_FRAGMENT_UNIFORM_COMPONENTS               = 0x8B49;
 104     const GLenum MAX_VERTEX_UNIFORM_COMPONENTS                 = 0x8B4A;
 105     const GLenum SAMPLER_3D                                    = 0x8B5F;
 106     const GLenum SAMPLER_2D_SHADOW                             = 0x8B62;
 107     const GLenum FRAGMENT_SHADER_DERIVATIVE_HINT               = 0x8B8B;
 108     const GLenum PIXEL_PACK_BUFFER                             = 0x88EB;
 109     const GLenum PIXEL_UNPACK_BUFFER                           = 0x88EC;
 110     const GLenum PIXEL_PACK_BUFFER_BINDING                     = 0x88ED;
 111     const GLenum PIXEL_UNPACK_BUFFER_BINDING                   = 0x88EF;
 112     const GLenum FLOAT_MAT2x3                                  = 0x8B65;
 113     const GLenum FLOAT_MAT2x4                                  = 0x8B66;
 114     const GLenum FLOAT_MAT3x2                                  = 0x8B67;
 115     const GLenum FLOAT_MAT3x4                                  = 0x8B68;
 116     const GLenum FLOAT_MAT4x2                                  = 0x8B69;
 117     const GLenum FLOAT_MAT4x3                                  = 0x8B6A;
 118     const GLenum SRGB                                          = 0x8C40;
 119     const GLenum SRGB8                                         = 0x8C41;
 120     const GLenum SRGB8_ALPHA8                                  = 0x8C43;
 121     const GLenum COMPARE_REF_TO_TEXTURE                        = 0x884E;
 122     const GLenum RGBA32F                                       = 0x8814;
 123     const GLenum RGB32F                                        = 0x8815;
 124     const GLenum RGBA16F                                       = 0x881A;
 125     const GLenum RGB16F                                        = 0x881B;
 126     const GLenum VERTEX_ATTRIB_ARRAY_INTEGER                   = 0x88FD;
 127     const GLenum MAX_ARRAY_TEXTURE_LAYERS                      = 0x88FF;
 128     const GLenum MIN_PROGRAM_TEXEL_OFFSET                      = 0x8904;
 129     const GLenum MAX_PROGRAM_TEXEL_OFFSET                      = 0x8905;
 130     const GLenum MAX_VARYING_COMPONENTS                        = 0x8B4B;
 131     const GLenum TEXTURE_2D_ARRAY                              = 0x8C1A;
 132     const GLenum TEXTURE_BINDING_2D_ARRAY                      = 0x8C1D;
 133     const GLenum R11F_G11F_B10F                                = 0x8C3A;
 134     const GLenum UNSIGNED_INT_10F_11F_11F_REV                  = 0x8C3B;
 135     const GLenum RGB9_E5                                       = 0x8C3D;
 136     const GLenum UNSIGNED_INT_5_9_9_9_REV                      = 0x8C3E;
 137     const GLenum TRANSFORM_FEEDBACK_BUFFER_MODE                = 0x8C7F;
 138     const GLenum MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS    = 0x8C80;
 139     const GLenum TRANSFORM_FEEDBACK_VARYINGS                   = 0x8C83;
 140     const GLenum TRANSFORM_FEEDBACK_BUFFER_START               = 0x8C84;
 141     const GLenum TRANSFORM_FEEDBACK_BUFFER_SIZE                = 0x8C85;
 142     const GLenum TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN         = 0x8C88;
 143     const GLenum RASTERIZER_DISCARD                            = 0x8C89;
 144     const GLenum MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS = 0x8C8A;
 145     const GLenum MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS       = 0x8C8B;
 146     const GLenum INTERLEAVED_ATTRIBS                           = 0x8C8C;
 147     const GLenum SEPARATE_ATTRIBS                              = 0x8C8D;
 148     const GLenum TRANSFORM_FEEDBACK_BUFFER                     = 0x8C8E;
 149     const GLenum TRANSFORM_FEEDBACK_BUFFER_BINDING             = 0x8C8F;
 150     const GLenum RGBA32UI                                      = 0x8D70;
 151     const GLenum RGB32UI                                       = 0x8D71;
 152     const GLenum RGBA16UI                                      = 0x8D76;
 153     const GLenum RGB16UI                                       = 0x8D77;
 154     const GLenum RGBA8UI                                       = 0x8D7C;
 155     const GLenum RGB8UI                                        = 0x8D7D;
 156     const GLenum RGBA32I                                       = 0x8D82;
 157     const GLenum RGB32I                                        = 0x8D83;
 158     const GLenum RGBA16I                                       = 0x8D88;
 159     const GLenum RGB16I                                        = 0x8D89;
 160     const GLenum RGBA8I                                        = 0x8D8E;
 161     const GLenum RGB8I                                         = 0x8D8F;
 162     const GLenum RED_INTEGER                                   = 0x8D94;
 163     const GLenum RGB_INTEGER                                   = 0x8D98;
 164     const GLenum RGBA_INTEGER                                  = 0x8D99;
 165     const GLenum SAMPLER_2D_ARRAY                              = 0x8DC1;
 166     const GLenum SAMPLER_2D_ARRAY_SHADOW                       = 0x8DC4;
 167     const GLenum SAMPLER_CUBE_SHADOW                           = 0x8DC5;
 168     const GLenum UNSIGNED_INT_VEC2                             = 0x8DC6;
 169     const GLenum UNSIGNED_INT_VEC3                             = 0x8DC7;
 170     const GLenum UNSIGNED_INT_VEC4                             = 0x8DC8;
 171     const GLenum INT_SAMPLER_2D                                = 0x8DCA;
 172     const GLenum INT_SAMPLER_3D                                = 0x8DCB;
 173     const GLenum INT_SAMPLER_CUBE                              = 0x8DCC;
 174     const GLenum INT_SAMPLER_2D_ARRAY                          = 0x8DCF;
 175     const GLenum UNSIGNED_INT_SAMPLER_2D                       = 0x8DD2;
 176     const GLenum UNSIGNED_INT_SAMPLER_3D                       = 0x8DD3;
 177     const GLenum UNSIGNED_INT_SAMPLER_CUBE                     = 0x8DD4;
 178     const GLenum UNSIGNED_INT_SAMPLER_2D_ARRAY                 = 0x8DD7;
 179     const GLenum DEPTH_COMPONENT32F                            = 0x8CAC;
 180     const GLenum DEPTH32F_STENCIL8                             = 0x8CAD;
 181     const GLenum FLOAT_32_UNSIGNED_INT_24_8_REV                = 0x8DAD;
 182     const GLenum FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING         = 0x8210;
 183     const GLenum FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE         = 0x8211;
 184     const GLenum FRAMEBUFFER_ATTACHMENT_RED_SIZE               = 0x8212;
 185     const GLenum FRAMEBUFFER_ATTACHMENT_GREEN_SIZE             = 0x8213;
 186     const GLenum FRAMEBUFFER_ATTACHMENT_BLUE_SIZE              = 0x8214;
 187     const GLenum FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE             = 0x8215;
 188     const GLenum FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE             = 0x8216;
 189     const GLenum FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE           = 0x8217;
 190     const GLenum FRAMEBUFFER_DEFAULT                           = 0x8218;
 191     const GLenum UNSIGNED_INT_24_8                             = 0x84FA;
 192     const GLenum DEPTH24_STENCIL8                              = 0x88F0;
 193     const GLenum UNSIGNED_NORMALIZED                           = 0x8C17;
 194     const GLenum DRAW_FRAMEBUFFER_BINDING                      = 0x8CA6; /* Same as FRAMEBUFFER_BINDING */
 195     const GLenum READ_FRAMEBUFFER                              = 0x8CA8;
 196     const GLenum DRAW_FRAMEBUFFER                              = 0x8CA9;
 197     const GLenum READ_FRAMEBUFFER_BINDING                      = 0x8CAA;
 198     const GLenum RENDERBUFFER_SAMPLES                          = 0x8CAB;
 199     const GLenum FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER          = 0x8CD4;
 200     const GLenum MAX_COLOR_ATTACHMENTS                         = 0x8CDF;
 201     const GLenum COLOR_ATTACHMENT1                             = 0x8CE1;
 202     const GLenum COLOR_ATTACHMENT2                             = 0x8CE2;
 203     const GLenum COLOR_ATTACHMENT3                             = 0x8CE3;
 204     const GLenum COLOR_ATTACHMENT4                             = 0x8CE4;
 205     const GLenum COLOR_ATTACHMENT5                             = 0x8CE5;
 206     const GLenum COLOR_ATTACHMENT6                             = 0x8CE6;
 207     const GLenum COLOR_ATTACHMENT7                             = 0x8CE7;
 208     const GLenum COLOR_ATTACHMENT8                             = 0x8CE8;
 209     const GLenum COLOR_ATTACHMENT9                             = 0x8CE9;
 210     const GLenum COLOR_ATTACHMENT10                            = 0x8CEA;
 211     const GLenum COLOR_ATTACHMENT11                            = 0x8CEB;
 212     const GLenum COLOR_ATTACHMENT12                            = 0x8CEC;
 213     const GLenum COLOR_ATTACHMENT13                            = 0x8CED;
 214     const GLenum COLOR_ATTACHMENT14                            = 0x8CEE;
 215     const GLenum COLOR_ATTACHMENT15                            = 0x8CEF;
 216     const GLenum FRAMEBUFFER_INCOMPLETE_MULTISAMPLE            = 0x8D56;
 217     const GLenum MAX_SAMPLES                                   = 0x8D57;
 218     const GLenum HALF_FLOAT                                    = 0x140B;
 219     const GLenum RG                                            = 0x8227;
 220     const GLenum RG_INTEGER                                    = 0x8228;
 221     const GLenum R8                                            = 0x8229;
 222     const GLenum RG8                                           = 0x822B;
 223     const GLenum R16F                                          = 0x822D;
 224     const GLenum R32F                                          = 0x822E;
 225     const GLenum RG16F                                         = 0x822F;
 226     const GLenum RG32F                                         = 0x8230;
 227     const GLenum R8I                                           = 0x8231;
 228     const GLenum R8UI                                          = 0x8232;
 229     const GLenum R16I                                          = 0x8233;
 230     const GLenum R16UI                                         = 0x8234;
 231     const GLenum R32I                                          = 0x8235;
 232     const GLenum R32UI                                         = 0x8236;
 233     const GLenum RG8I                                          = 0x8237;
 234     const GLenum RG8UI                                         = 0x8238;
 235     const GLenum RG16I                                         = 0x8239;
 236     const GLenum RG16UI                                        = 0x823A;
 237     const GLenum RG32I                                         = 0x823B;
 238     const GLenum RG32UI                                        = 0x823C;
 239     const GLenum VERTEX_ARRAY_BINDING                          = 0x85B5;
 240     const GLenum R8_SNORM                                      = 0x8F94;
 241     const GLenum RG8_SNORM                                     = 0x8F95;
 242     const GLenum RGB8_SNORM                                    = 0x8F96;
 243     const GLenum RGBA8_SNORM                                   = 0x8F97;
 244     const GLenum SIGNED_NORMALIZED                             = 0x8F9C;
 245     const GLenum COPY_READ_BUFFER                              = 0x8F36;
 246     const GLenum COPY_WRITE_BUFFER                             = 0x8F37;
 247     const GLenum COPY_READ_BUFFER_BINDING                      = 0x8F36; /* Same as COPY_READ_BUFFER */
 248     const GLenum COPY_WRITE_BUFFER_BINDING                     = 0x8F37; /* Same as COPY_WRITE_BUFFER */
 249     const GLenum UNIFORM_BUFFER                                = 0x8A11;
 250     const GLenum UNIFORM_BUFFER_BINDING                        = 0x8A28;
 251     const GLenum UNIFORM_BUFFER_START                          = 0x8A29;
 252     const GLenum UNIFORM_BUFFER_SIZE                           = 0x8A2A;
 253     const GLenum MAX_VERTEX_UNIFORM_BLOCKS                     = 0x8A2B;
 254     const GLenum MAX_FRAGMENT_UNIFORM_BLOCKS                   = 0x8A2D;
 255     const GLenum MAX_COMBINED_UNIFORM_BLOCKS                   = 0x8A2E;
 256     const GLenum MAX_UNIFORM_BUFFER_BINDINGS                   = 0x8A2F;
 257     const GLenum MAX_UNIFORM_BLOCK_SIZE                        = 0x8A30;
 258     const GLenum MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS        = 0x8A31;
 259     const GLenum MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS      = 0x8A33;
 260     const GLenum UNIFORM_BUFFER_OFFSET_ALIGNMENT               = 0x8A34;
 261     const GLenum ACTIVE_UNIFORM_BLOCKS                         = 0x8A36;
 262     const GLenum UNIFORM_TYPE                                  = 0x8A37;
 263     const GLenum UNIFORM_SIZE                                  = 0x8A38;
 264     const GLenum UNIFORM_BLOCK_INDEX                           = 0x8A3A;
 265     const GLenum UNIFORM_OFFSET                                = 0x8A3B;
 266     const GLenum UNIFORM_ARRAY_STRIDE                          = 0x8A3C;
 267     const GLenum UNIFORM_MATRIX_STRIDE                         = 0x8A3D;
 268     const GLenum UNIFORM_IS_ROW_MAJOR                          = 0x8A3E;
 269     const GLenum UNIFORM_BLOCK_BINDING                         = 0x8A3F;
 270     const GLenum UNIFORM_BLOCK_DATA_SIZE                       = 0x8A40;
 271     const GLenum UNIFORM_BLOCK_ACTIVE_UNIFORMS                 = 0x8A42;
 272     const GLenum UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES          = 0x8A43;
 273     const GLenum UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER     = 0x8A44;
 274     const GLenum UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER   = 0x8A46;
 275     const GLenum INVALID_INDEX                                 = 0xFFFFFFFF;
 276     const GLenum MAX_VERTEX_OUTPUT_COMPONENTS                  = 0x9122;
 277     const GLenum MAX_FRAGMENT_INPUT_COMPONENTS                 = 0x9125;
 278     const GLenum MAX_SERVER_WAIT_TIMEOUT                       = 0x9111;
 279     const GLenum OBJECT_TYPE                                   = 0x9112;
 280     const GLenum SYNC_CONDITION                                = 0x9113;
 281     const GLenum SYNC_STATUS                                   = 0x9114;
 282     const GLenum SYNC_FLAGS                                    = 0x9115;
 283     const GLenum SYNC_FENCE                                    = 0x9116;
 284     const GLenum SYNC_GPU_COMMANDS_COMPLETE                    = 0x9117;
 285     const GLenum UNSIGNALED                                    = 0x9118;
 286     const GLenum SIGNALED                                      = 0x9119;
 287     const GLenum ALREADY_SIGNALED                              = 0x911A;
 288     const GLenum TIMEOUT_EXPIRED                               = 0x911B;
 289     const GLenum CONDITION_SATISFIED                           = 0x911C;
 290     const GLenum WAIT_FAILED                                   = 0x911D;
 291     const GLenum SYNC_FLUSH_COMMANDS_BIT                       = 0x00000001;
 292     const GLenum VERTEX_ATTRIB_ARRAY_DIVISOR                   = 0x88FE;
 293     const GLenum ANY_SAMPLES_PASSED                            = 0x8C2F;
 294     const GLenum ANY_SAMPLES_PASSED_CONSERVATIVE               = 0x8D6A;
 295     const GLenum SAMPLER_BINDING                               = 0x8919;
 296     const GLenum RGB10_A2UI                                    = 0x906F;
 297     const GLenum INT_2_10_10_10_REV                            = 0x8D9F;
 298     const GLenum TRANSFORM_FEEDBACK                            = 0x8E22;
 299     const GLenum TRANSFORM_FEEDBACK_PAUSED                     = 0x8E23;
 300     const GLenum TRANSFORM_FEEDBACK_ACTIVE                     = 0x8E24;
 301     const GLenum TRANSFORM_FEEDBACK_BINDING                    = 0x8E25;
 302     const GLenum TEXTURE_IMMUTABLE_FORMAT                      = 0x912F;
 303     const GLenum MAX_ELEMENT_INDEX                             = 0x8D6B;
 304     const GLenum TEXTURE_IMMUTABLE_LEVELS                      = 0x82DF;
 305
 306     const GLint64 TIMEOUT_IGNORED                              = -1;
 307
 308     /* WebGL-specific enums */
 309     const GLenum MAX_CLIENT_WAIT_TIMEOUT_WEBGL                 = 0x9247;
 310
 311     /* Buffer objects */
 312     // WebGL1:
 313     undefined bufferData(GLenum target, GLsizeiptr size, GLenum usage);
 314     undefined bufferData(GLenum target, [AllowShared] ArrayBuffer? srcData, GLenum usage);
 315     undefined bufferData(GLenum target, [AllowShared] ArrayBufferView srcData, GLenum usage);
 316     undefined bufferSubData(GLenum target, GLintptr offset, [AllowShared] ArrayBuffer srcData);
 317     undefined bufferSubData(GLenum target, GLintptr offset, [AllowShared] ArrayBufferView srcData);
 318     // WebGL2:
 319     undefined bufferData(GLenum target, [AllowShared] ArrayBufferView srcData, GLenum usage,
 320                          GLuint srcOffset, optional GLuint length = 0);
 321     undefined bufferSubData(GLenum target, GLintptr dstByteOffset, [AllowShared] ArrayBufferView srcData,
 322                             GLuint srcOffset, optional GLuint length = 0);
 323
 324     undefined copyBufferSubData(GLenum readTarget, GLenum writeTarget, GLintptr readOffset,
 325                                 GLintptr writeOffset, GLsizeiptr size);
 326     // MapBufferRange, in particular its read-only and write-only modes,
 327     // can not be exposed safely to JavaScript. GetBufferSubData
 328     // replaces it for the purpose of fetching data back from the GPU.
 329     undefined getBufferSubData(GLenum target, GLintptr srcByteOffset, [AllowShared] ArrayBufferView dstData,
 330                                optional GLuint dstOffset = 0, optional GLuint length = 0);
 331
 332     /* Framebuffer objects */
 333     undefined blitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0,
 334                               GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
 335     undefined framebufferTextureLayer(GLenum target, GLenum attachment, WebGLTexture? texture, GLint level,
 336                                       GLint layer);
 337
 338     [Throws]
 339     undefined invalidateFramebuffer(GLenum target, sequence<GLenum> attachments);
 340
 341     [Throws]
 342     undefined invalidateSubFramebuffer(GLenum target, sequence<GLenum> attachments,
 343                                        GLint x, GLint y, GLsizei width, GLsizei height);
 344
 345     undefined readBuffer(GLenum src);
 346
 347     /* Renderbuffer objects */
 348     [Throws]
 349     any getInternalformatParameter(GLenum target, GLenum internalformat, GLenum pname);
 350     undefined renderbufferStorageMultisample(GLenum target, GLsizei samples, GLenum internalformat,
 351                                              GLsizei width, GLsizei height);
 352
 353     /* Texture objects */
 354     undefined texStorage2D(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width,
 355                            GLsizei height);
 356     undefined texStorage3D(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width,
 357                            GLsizei height, GLsizei depth);
 358
 359     // WebGL1 legacy entrypoints:
 360     [Throws] // Another overhead throws.
 361     undefined texImage2D(GLenum target, GLint level, GLint internalformat,
 362                          GLsizei width, GLsizei height, GLint border, GLenum format,
 363                          GLenum type, [AllowShared] ArrayBufferView? pixels);
 364     [Throws]
 365     undefined texImage2D(GLenum target, GLint level, GLint internalformat,
 366                          GLenum format, GLenum type, HTMLCanvasElement source); // May throw DOMException
 367     [Throws]
 368     undefined texImage2D(GLenum target, GLint level, GLint internalformat,
 369                          GLenum format, GLenum type, HTMLImageElement source); // May throw DOMException
 370     [Throws]
 371     undefined texImage2D(GLenum target, GLint level, GLint internalformat,
 372                          GLenum format, GLenum type, HTMLVideoElement source); // May throw DOMException
 373     [Throws] // Another overhead throws.
 374     undefined texImage2D(GLenum target, GLint level, GLint internalformat,
 375                          GLenum format, GLenum type, ImageBitmap source);
 376     [Throws] // Another overhead throws.
 377     undefined texImage2D(GLenum target, GLint level, GLint internalformat,
 378                          GLenum format, GLenum type, ImageData source);
 379     [Throws] // Another overhead throws.
 380     undefined texImage2D(GLenum target, GLint level, GLint internalformat,
 381                          GLenum format, GLenum type, OffscreenCanvas source);
 382     [Throws] // Another overhead throws.
 383     undefined texImage2D(GLenum target, GLint level, GLint internalformat,
 384                          GLenum format, GLenum type, VideoFrame source);
 385
 386     [Throws] // Another overhead throws.
 387     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 388                             GLsizei width, GLsizei height,
 389                             GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);
 390     [Throws]
 391     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 392                             GLenum format, GLenum type, HTMLCanvasElement source); // May throw DOMException
 393     [Throws]
 394     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 395                             GLenum format, GLenum type, HTMLImageElement source); // May throw DOMException
 396     [Throws]
 397     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 398                             GLenum format, GLenum type, HTMLVideoElement source); // May throw DOMException
 399     [Throws] // Another overhead throws.
 400     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 401                             GLenum format, GLenum type, ImageBitmap source);
 402     [Throws] // Another overhead throws.
 403     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 404                             GLenum format, GLenum type, ImageData source);
 405     [Throws] // Another overhead throws.
 406     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 407                             GLenum format, GLenum type, OffscreenCanvas source);
 408     [Throws] // Another overhead throws.
 409     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 410                             GLenum format, GLenum type, VideoFrame source);
 411
 412     // WebGL2 entrypoints:
 413     [Throws] // Another overhead throws.
 414     undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 415                          GLint border, GLenum format, GLenum type, GLintptr pboOffset);
 416     [Throws]
 417     undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 418                          GLint border, GLenum format, GLenum type,
 419                          HTMLCanvasElement source); // May throw DOMException
 420     [Throws]
 421     undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 422                          GLint border, GLenum format, GLenum type,
 423                          HTMLImageElement source); // May throw DOMException
 424     [Throws]
 425     undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 426                          GLint border, GLenum format, GLenum type,
 427                          HTMLVideoElement source); // May throw DOMException
 428     [Throws] // Another overhead throws.
 429     undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 430                          GLint border, GLenum format, GLenum type,
 431                          ImageBitmap source);
 432     [Throws] // Another overhead throws.
 433     undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 434                          GLint border, GLenum format, GLenum type,
 435                          ImageData source);
 436     [Throws] // Another overhead throws.
 437     undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 438                          GLint border, GLenum format, GLenum type,
 439                          OffscreenCanvas source);
 440     [Throws] // Another overhead throws.
 441     undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 442                          GLint border, GLenum format, GLenum type,
 443                          VideoFrame source);
 444     [Throws] // Another overhead throws.
 445     undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 446                          GLint border, GLenum format, GLenum type, [AllowShared] ArrayBufferView srcData,
 447                          GLuint srcOffset);
 448
 449     [Throws] // Another overhead throws.
 450     undefined texImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 451                          GLsizei depth, GLint border, GLenum format, GLenum type, GLintptr pboOffset);
 452     [Throws]
 453     undefined texImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 454                          GLsizei depth, GLint border, GLenum format, GLenum type,
 455                          HTMLCanvasElement source); // May throw DOMException
 456     [Throws]
 457     undefined texImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 458                          GLsizei depth, GLint border, GLenum format, GLenum type,
 459                          HTMLImageElement source); // May throw DOMException
 460     [Throws]
 461     undefined texImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 462                          GLsizei depth, GLint border, GLenum format, GLenum type,
 463                          HTMLVideoElement source); // May throw DOMException
 464     [Throws] // Another overhead throws.
 465     undefined texImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 466                          GLsizei depth, GLint border, GLenum format, GLenum type,
 467                          ImageBitmap source);
 468     [Throws] // Another overhead throws.
 469     undefined texImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 470                          GLsizei depth, GLint border, GLenum format, GLenum type,
 471                          ImageData source);
 472     [Throws] // Another overhead throws.
 473     undefined texImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 474                          GLsizei depth, GLint border, GLenum format, GLenum type,
 475                          OffscreenCanvas source);
 476     [Throws] // Another overhead throws.
 477     undefined texImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 478                          GLsizei depth, GLint border, GLenum format, GLenum type,
 479                          VideoFrame source);
 480     [Throws] // Another overhead throws.
 481     undefined texImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 482                          GLsizei depth, GLint border, GLenum format, GLenum type, [AllowShared] ArrayBufferView? srcData);
 483     [Throws] // Another overhead throws.
 484     undefined texImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
 485                          GLsizei depth, GLint border, GLenum format, GLenum type, [AllowShared] ArrayBufferView srcData,
 486                          GLuint srcOffset);
 487
 488     [Throws] // Another overhead throws.
 489     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
 490                             GLsizei height, GLenum format, GLenum type, GLintptr pboOffset);
 491     [Throws]
 492     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
 493                             GLsizei height, GLenum format, GLenum type,
 494                             HTMLCanvasElement source); // May throw DOMException
 495     [Throws]
 496     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
 497                             GLsizei height, GLenum format, GLenum type,
 498                             HTMLImageElement source); // May throw DOMException
 499     [Throws]
 500     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
 501                             GLsizei height, GLenum format, GLenum type,
 502                             HTMLVideoElement source); // May throw DOMException
 503     [Throws] // Another overhead throws.
 504     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
 505                             GLsizei height, GLenum format, GLenum type,
 506                             ImageBitmap source);
 507     [Throws] // Another overhead throws.
 508     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
 509                             GLsizei height, GLenum format, GLenum type,
 510                             ImageData source);
 511     [Throws] // Another overhead throws.
 512     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
 513                             GLsizei height, GLenum format, GLenum type,
 514                             OffscreenCanvas source);
 515     [Throws] // Another overhead throws.
 516     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
 517                             GLsizei height, GLenum format, GLenum type,
 518                             VideoFrame source);
 519     [Throws] // Another overhead throws.
 520     undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
 521                             GLsizei height, GLenum format, GLenum type, [AllowShared] ArrayBufferView srcData,
 522                             GLuint srcOffset);
 523
 524     [Throws] // Another overhead throws.
 525     undefined texSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
 526                             GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type,
 527                             GLintptr pboOffset);
 528     [Throws]
 529     undefined texSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
 530                             GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type,
 531                             HTMLCanvasElement source); // May throw DOMException
 532     [Throws]
 533     undefined texSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
 534                             GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type,
 535                             HTMLImageElement source); // May throw DOMException
 536     [Throws]
 537     undefined texSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
 538                             GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type,
 539                             HTMLVideoElement source); // May throw DOMException
 540     [Throws] // Another overhead throws.
 541     undefined texSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
 542                             GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type,
 543                             ImageBitmap source);
 544     [Throws] // Another overhead throws.
 545     undefined texSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
 546                             GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type,
 547                             ImageData source);
 548     [Throws] // Another overhead throws.
 549     undefined texSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
 550                             GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type,
 551                             OffscreenCanvas source);
 552     [Throws] // Another overhead throws.
 553     undefined texSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
 554                             GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type,
 555                             VideoFrame source);
 556     [Throws] // Another overhead throws.
 557     undefined texSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
 558                             GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type,
 559                             [AllowShared] ArrayBufferView? srcData, optional GLuint srcOffset = 0);
 560
 561     undefined copyTexSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
 562                                 GLint x, GLint y, GLsizei width, GLsizei height);
 563
 564     undefined compressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width,
 565                                    GLsizei height, GLint border, GLsizei imageSize,  GLintptr offset);
 566     undefined compressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width,
 567                                    GLsizei height, GLint border, [AllowShared] ArrayBufferView srcData,
 568                                    optional GLuint srcOffset = 0, optional GLuint srcLengthOverride = 0);
 569
 570     undefined compressedTexImage3D(GLenum target, GLint level, GLenum internalformat, GLsizei width,
 571                                    GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, GLintptr offset);
 572     undefined compressedTexImage3D(GLenum target, GLint level, GLenum internalformat, GLsizei width,
 573                                    GLsizei height, GLsizei depth, GLint border, [AllowShared] ArrayBufferView srcData,
 574                                    optional GLuint srcOffset = 0, optional GLuint srcLengthOverride = 0);
 575
 576     undefined compressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 577                                       GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, GLintptr offset);
 578     undefined compressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 579                                       GLsizei width, GLsizei height, GLenum format,
 580                                       [AllowShared] ArrayBufferView srcData,
 581                                       optional GLuint srcOffset = 0,
 582                                       optional GLuint srcLengthOverride = 0);
 583
 584     undefined compressedTexSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 585                                       GLint zoffset, GLsizei width, GLsizei height, GLsizei depth,
 586                                       GLenum format, GLsizei imageSize, GLintptr offset);
 587     undefined compressedTexSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 588                                       GLint zoffset, GLsizei width, GLsizei height, GLsizei depth,
 589                                       GLenum format, [AllowShared] ArrayBufferView srcData,
 590                                       optional GLuint srcOffset = 0,
 591                                       optional GLuint srcLengthOverride = 0);
 592
 593     /* Programs and shaders */
 594     [WebGLHandlesContextLoss] GLint getFragDataLocation(WebGLProgram program, DOMString name);
 595
 596     /* Uniforms */
 597     undefined uniform1ui(WebGLUniformLocation? location, GLuint v0);
 598     undefined uniform2ui(WebGLUniformLocation? location, GLuint v0, GLuint v1);
 599     undefined uniform3ui(WebGLUniformLocation? location, GLuint v0, GLuint v1, GLuint v2);
 600     undefined uniform4ui(WebGLUniformLocation? location, GLuint v0, GLuint v1, GLuint v2, GLuint v3);
 601
 602     undefined uniform1fv(WebGLUniformLocation? location, Float32List data, optional GLuint srcOffset = 0,
 603                          optional GLuint srcLength = 0);
 604     undefined uniform2fv(WebGLUniformLocation? location, Float32List data, optional GLuint srcOffset = 0,
 605                          optional GLuint srcLength = 0);
 606     undefined uniform3fv(WebGLUniformLocation? location, Float32List data, optional GLuint srcOffset = 0,
 607                          optional GLuint srcLength = 0);
 608     undefined uniform4fv(WebGLUniformLocation? location, Float32List data, optional GLuint srcOffset = 0,
 609                          optional GLuint srcLength = 0);
 610
 611     undefined uniform1iv(WebGLUniformLocation? location, Int32List data, optional GLuint srcOffset = 0,
 612                          optional GLuint srcLength = 0);
 613     undefined uniform2iv(WebGLUniformLocation? location, Int32List data, optional GLuint srcOffset = 0,
 614                          optional GLuint srcLength = 0);
 615     undefined uniform3iv(WebGLUniformLocation? location, Int32List data, optional GLuint srcOffset = 0,
 616                          optional GLuint srcLength = 0);
 617     undefined uniform4iv(WebGLUniformLocation? location, Int32List data, optional GLuint srcOffset = 0,
 618                          optional GLuint srcLength = 0);
 619
 620     undefined uniform1uiv(WebGLUniformLocation? location, Uint32List data, optional GLuint srcOffset = 0,
 621                           optional GLuint srcLength = 0);
 622     undefined uniform2uiv(WebGLUniformLocation? location, Uint32List data, optional GLuint srcOffset = 0,
 623                           optional GLuint srcLength = 0);
 624     undefined uniform3uiv(WebGLUniformLocation? location, Uint32List data, optional GLuint srcOffset = 0,
 625                           optional GLuint srcLength = 0);
 626     undefined uniform4uiv(WebGLUniformLocation? location, Uint32List data, optional GLuint srcOffset = 0,
 627                           optional GLuint srcLength = 0);
 628
 629     undefined uniformMatrix2fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data,
 630                                optional GLuint srcOffset = 0, optional GLuint srcLength = 0);
 631     undefined uniformMatrix3x2fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data,
 632                                  optional GLuint srcOffset = 0, optional GLuint srcLength = 0);
 633     undefined uniformMatrix4x2fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data,
 634                                  optional GLuint srcOffset = 0, optional GLuint srcLength = 0);
 635
 636     undefined uniformMatrix2x3fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data,
 637                                  optional GLuint srcOffset = 0, optional GLuint srcLength = 0);
 638     undefined uniformMatrix3fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data,
 639                                optional GLuint srcOffset = 0, optional GLuint srcLength = 0);
 640     undefined uniformMatrix4x3fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data,
 641                                  optional GLuint srcOffset = 0, optional GLuint srcLength = 0);
 642
 643     undefined uniformMatrix2x4fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data,
 644                                  optional GLuint srcOffset = 0, optional GLuint srcLength = 0);
 645     undefined uniformMatrix3x4fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data,
 646                                  optional GLuint srcOffset = 0, optional GLuint srcLength = 0);
 647     undefined uniformMatrix4fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data,
 648                                optional GLuint srcOffset = 0, optional GLuint srcLength = 0);
 649
 650     /* Vertex attribs */
 651     undefined vertexAttribI4i(GLuint index, GLint x, GLint y, GLint z, GLint w);
 652     undefined vertexAttribI4iv(GLuint index, Int32List values);
 653     undefined vertexAttribI4ui(GLuint index, GLuint x, GLuint y, GLuint z, GLuint w);
 654     undefined vertexAttribI4uiv(GLuint index, Uint32List values);
 655     undefined vertexAttribIPointer(GLuint index, GLint size, GLenum type, GLsizei stride, GLintptr offset);
 656
 657     /* Writing to the drawing buffer */
 658     undefined vertexAttribDivisor(GLuint index, GLuint divisor);
 659     undefined drawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instanceCount);
 660     undefined drawElementsInstanced(GLenum mode, GLsizei count, GLenum type, GLintptr offset, GLsizei instanceCount);
 661     undefined drawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, GLintptr offset);
 662
 663     /* Reading back pixels */
 664     // WebGL1:
 665     [Throws, NeedsCallerType] // Throws on readback in a write-only context.
 666     undefined readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
 667                          [AllowShared] ArrayBufferView? dstData);
 668     // WebGL2:
 669     [Throws, NeedsCallerType] // Throws on readback in a write-only context.
 670     undefined readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
 671                          GLintptr offset);
 672     [Throws, NeedsCallerType] // Throws on readback in a write-only context.
 673     undefined readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
 674                          [AllowShared] ArrayBufferView dstData, GLuint dstOffset);
 675
 676     /* Multiple Render Targets */
 677     undefined drawBuffers(sequence<GLenum> buffers);
 678
 679     undefined clearBufferfv(GLenum buffer, GLint drawbuffer, Float32List values,
 680                             optional GLuint srcOffset = 0);
 681     undefined clearBufferiv(GLenum buffer, GLint drawbuffer, Int32List values,
 682                             optional GLuint srcOffset = 0);
 683     undefined clearBufferuiv(GLenum buffer, GLint drawbuffer, Uint32List values,
 684                              optional GLuint srcOffset = 0);
 685
 686     undefined clearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil);
 687
 688     /* Query Objects */
 689     WebGLQuery? createQuery();
 690     undefined deleteQuery(WebGLQuery? query);
 691     [WebGLHandlesContextLoss] GLboolean isQuery(WebGLQuery? query);
 692     undefined beginQuery(GLenum target, WebGLQuery query);
 693     undefined endQuery(GLenum target);
 694     any getQuery(GLenum target, GLenum pname);
 695     any getQueryParameter(WebGLQuery query, GLenum pname);
 696
 697     /* Sampler Objects */
 698     WebGLSampler? createSampler();
 699     undefined deleteSampler(WebGLSampler? sampler);
 700     [WebGLHandlesContextLoss] GLboolean isSampler(WebGLSampler? sampler);
 701     undefined bindSampler(GLuint unit, WebGLSampler? sampler);
 702     undefined samplerParameteri(WebGLSampler sampler, GLenum pname, GLint param);
 703     undefined samplerParameterf(WebGLSampler sampler, GLenum pname, GLfloat param);
 704     any getSamplerParameter(WebGLSampler sampler, GLenum pname);
 705
 706     /* Sync objects */
 707     WebGLSync? fenceSync(GLenum condition, GLbitfield flags);
 708     [WebGLHandlesContextLoss] GLboolean isSync(WebGLSync? sync);
 709     undefined deleteSync(WebGLSync? sync);
 710     GLenum clientWaitSync(WebGLSync sync, GLbitfield flags, GLuint64 timeout);
 711     undefined waitSync(WebGLSync sync, GLbitfield flags, GLint64 timeout);
 712     any getSyncParameter(WebGLSync sync, GLenum pname);
 713
 714     /* Transform Feedback */
 715     WebGLTransformFeedback? createTransformFeedback();
 716     undefined deleteTransformFeedback(WebGLTransformFeedback? tf);
 717     [WebGLHandlesContextLoss] GLboolean isTransformFeedback(WebGLTransformFeedback? tf);
 718     undefined bindTransformFeedback(GLenum target, WebGLTransformFeedback? tf);
 719     undefined beginTransformFeedback(GLenum primitiveMode);
 720     undefined endTransformFeedback();
 721     undefined transformFeedbackVaryings(WebGLProgram program, sequence<DOMString> varyings, GLenum bufferMode);
 722     [NewObject]
 723     WebGLActiveInfo? getTransformFeedbackVarying(WebGLProgram program, GLuint index);
 724     undefined pauseTransformFeedback();
 725     undefined resumeTransformFeedback();
 726
 727     /* Uniform Buffer Objects and Transform Feedback Buffers */
 728     undefined bindBufferBase(GLenum target, GLuint index, WebGLBuffer? buffer);
 729     undefined bindBufferRange(GLenum target, GLuint index, WebGLBuffer? buffer, GLintptr offset, GLsizeiptr size);
 730     [Throws] // GetOrCreateDOMReflector can fail.
 731     any getIndexedParameter(GLenum target, GLuint index);
 732     sequence<GLuint>? getUniformIndices(WebGLProgram program, sequence<DOMString> uniformNames);
 733     any getActiveUniforms(WebGLProgram program, sequence<GLuint> uniformIndices, GLenum pname);
 734     GLuint getUniformBlockIndex(WebGLProgram program, DOMString uniformBlockName);
 735     [Throws] // Creating a Uint32Array can fail.
 736     any getActiveUniformBlockParameter(WebGLProgram program, GLuint uniformBlockIndex, GLenum pname);
 737     DOMString? getActiveUniformBlockName(WebGLProgram program, GLuint uniformBlockIndex);
 738     undefined uniformBlockBinding(WebGLProgram program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
 739
 740     /* Vertex Array Objects */
 741     WebGLVertexArrayObject? createVertexArray();
 742     undefined deleteVertexArray(WebGLVertexArrayObject? vertexArray);
 743     [WebGLHandlesContextLoss] GLboolean isVertexArray(WebGLVertexArrayObject? vertexArray);
 744     undefined bindVertexArray(WebGLVertexArrayObject? array);
 745 };
 746
 747 WebGL2RenderingContext includes WebGLRenderingContextBase;
 748 WebGL2RenderingContext includes WebGL2RenderingContextBase;
 749
 750 [LegacyNoInterfaceObject,
 751  Exposed=(Window,Worker)]
 752 interface EXT_color_buffer_float {
 753 };
 754
 755 [LegacyNoInterfaceObject,
 756  Exposed=(Window,Worker)]
 757 interface OVR_multiview2 {
 758     const GLenum FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR = 0x9630;
 759     const GLenum FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR = 0x9632;
 760     const GLenum MAX_VIEWS_OVR = 0x9631;
 761     const GLenum FRAMEBUFFER_INCOMPLETE_VIEW_TARGETS_OVR = 0x9633;
 762
 763     undefined framebufferTextureMultiviewOVR(GLenum target, GLenum attachment, WebGLTexture? texture, GLint level, GLint baseViewIndex, GLsizei numViews);
 764 };