webgl1.idl - mozsearch

// GENERATED CONTENT - DO NOT EDIT

// Content was automatically extracted by Reffy into webref

// (https://github.com/w3c/webref)

// Source: WebGL Specification (https://registry.khronos.org/webgl/specs/latest/1.0/)

typedef unsigned long  GLenum;

typedef boolean        GLboolean;

typedef unsigned long  GLbitfield;

typedef byte           GLbyte;         /* 'byte' should be a signed 8 bit type. */

typedef short          GLshort;

typedef long           GLint;

typedef long           GLsizei;

typedef long long      GLintptr;

typedef long long      GLsizeiptr;

// Ideally the typedef below would use 'unsigned byte', but that doesn't currently exist in Web IDL.

typedef octet          GLubyte;        /* 'octet' should be an unsigned 8 bit type. */

typedef unsigned short GLushort;

typedef unsigned long  GLuint;

typedef unrestricted float GLfloat;

typedef unrestricted float GLclampf;

// The power preference settings are documented in the WebGLContextAttributes

// section of the specification.

enum WebGLPowerPreference { "default", "low-power", "high-performance" };

dictionary WebGLContextAttributes {

    boolean alpha = true;

    boolean depth = true;

    boolean stencil = false;

    boolean antialias = true;

    boolean premultipliedAlpha = true;

    boolean preserveDrawingBuffer = false;

    WebGLPowerPreference powerPreference = "default";

    boolean failIfMajorPerformanceCaveat = false;

    boolean desynchronized = false;

};

[Exposed=(Window,Worker)]

interface WebGLObject {

};

[Exposed=(Window,Worker)]

interface WebGLBuffer : WebGLObject {

};

[Exposed=(Window,Worker)]

interface WebGLFramebuffer : WebGLObject {

};

[Exposed=(Window,Worker)]

interface WebGLProgram : WebGLObject {

};

[Exposed=(Window,Worker)]

interface WebGLRenderbuffer : WebGLObject {

};

[Exposed=(Window,Worker)]

interface WebGLShader : WebGLObject {

};

[Exposed=(Window,Worker)]

interface WebGLTexture : WebGLObject {

};

[Exposed=(Window,Worker)]

interface WebGLUniformLocation {

};

[Exposed=(Window,Worker)]

interface WebGLActiveInfo {

    readonly attribute GLint size;

    readonly attribute GLenum type;

    readonly attribute DOMString name;

};

[Exposed=(Window,Worker)]

interface WebGLShaderPrecisionFormat {

    readonly attribute GLint rangeMin;

    readonly attribute GLint rangeMax;

    readonly attribute GLint precision;

};

typedef (ImageBitmap or

         ImageData or

         HTMLImageElement or

         HTMLCanvasElement or

         HTMLVideoElement or

         OffscreenCanvas or

         VideoFrame) TexImageSource;

typedef ([AllowShared] Float32Array or sequence<GLfloat>) Float32List;

typedef ([AllowShared] Int32Array or sequence<GLint>) Int32List;

interface mixin WebGLRenderingContextBase

    /* ClearBufferMask */

    const GLenum DEPTH_BUFFER_BIT               = 0x00000100;

    const GLenum STENCIL_BUFFER_BIT             = 0x00000400;

    const GLenum COLOR_BUFFER_BIT               = 0x00004000;

    /* BeginMode */

    const GLenum POINTS                         = 0x0000;

    const GLenum LINES                          = 0x0001;

    const GLenum LINE_LOOP                      = 0x0002;

    const GLenum LINE_STRIP                     = 0x0003;

    const GLenum TRIANGLES                      = 0x0004;

    const GLenum TRIANGLE_STRIP                 = 0x0005;

    const GLenum TRIANGLE_FAN                   = 0x0006;

    /* AlphaFunction (not supported in ES20) */

    /*      NEVER */

    /*      LESS */

    /*      EQUAL */

    /*      LEQUAL */

    /*      GREATER */

    /*      NOTEQUAL */

    /*      GEQUAL */

    /*      ALWAYS */

    /* BlendingFactorDest */

    const GLenum ZERO                           = 0;

    const GLenum ONE                            = 1;

    const GLenum SRC_COLOR                      = 0x0300;

    const GLenum ONE_MINUS_SRC_COLOR            = 0x0301;

    const GLenum SRC_ALPHA                      = 0x0302;

    const GLenum ONE_MINUS_SRC_ALPHA            = 0x0303;

    const GLenum DST_ALPHA                      = 0x0304;

    const GLenum ONE_MINUS_DST_ALPHA            = 0x0305;

    /* BlendingFactorSrc */

    /*      ZERO */

    /*      ONE */

    const GLenum DST_COLOR                      = 0x0306;

    const GLenum ONE_MINUS_DST_COLOR            = 0x0307;

    const GLenum SRC_ALPHA_SATURATE             = 0x0308;

    /*      SRC_ALPHA */

    /*      ONE_MINUS_SRC_ALPHA */

    /*      DST_ALPHA */

    /*      ONE_MINUS_DST_ALPHA */

    /* BlendEquationSeparate */

    const GLenum FUNC_ADD                       = 0x8006;

    const GLenum BLEND_EQUATION                 = 0x8009;

    const GLenum BLEND_EQUATION_RGB             = 0x8009;   /* same as BLEND_EQUATION */

    const GLenum BLEND_EQUATION_ALPHA           = 0x883D;

    /* BlendSubtract */

    const GLenum FUNC_SUBTRACT                  = 0x800A;

    const GLenum FUNC_REVERSE_SUBTRACT          = 0x800B;

    /* Separate Blend Functions */

    const GLenum BLEND_DST_RGB                  = 0x80C8;

    const GLenum BLEND_SRC_RGB                  = 0x80C9;

    const GLenum BLEND_DST_ALPHA                = 0x80CA;

    const GLenum BLEND_SRC_ALPHA                = 0x80CB;

    const GLenum CONSTANT_COLOR                 = 0x8001;

    const GLenum ONE_MINUS_CONSTANT_COLOR       = 0x8002;

    const GLenum CONSTANT_ALPHA                 = 0x8003;

    const GLenum ONE_MINUS_CONSTANT_ALPHA       = 0x8004;

    const GLenum BLEND_COLOR                    = 0x8005;

    /* Buffer Objects */

    const GLenum ARRAY_BUFFER                   = 0x8892;

    const GLenum ELEMENT_ARRAY_BUFFER           = 0x8893;

    const GLenum ARRAY_BUFFER_BINDING           = 0x8894;

    const GLenum ELEMENT_ARRAY_BUFFER_BINDING   = 0x8895;

    const GLenum STREAM_DRAW                    = 0x88E0;

    const GLenum STATIC_DRAW                    = 0x88E4;

    const GLenum DYNAMIC_DRAW                   = 0x88E8;

    const GLenum BUFFER_SIZE                    = 0x8764;

    const GLenum BUFFER_USAGE                   = 0x8765;

    const GLenum CURRENT_VERTEX_ATTRIB          = 0x8626;

    /* CullFaceMode */

    const GLenum FRONT                          = 0x0404;

    const GLenum BACK                           = 0x0405;

    const GLenum FRONT_AND_BACK                 = 0x0408;

    /* DepthFunction */

    /*      NEVER */

    /*      LESS */

    /*      EQUAL */

    /*      LEQUAL */

    /*      GREATER */

    /*      NOTEQUAL */

    /*      GEQUAL */

    /*      ALWAYS */

    /* EnableCap */

    /* TEXTURE_2D */

    const GLenum CULL_FACE                      = 0x0B44;

    const GLenum BLEND                          = 0x0BE2;

    const GLenum DITHER                         = 0x0BD0;

    const GLenum STENCIL_TEST                   = 0x0B90;

    const GLenum DEPTH_TEST                     = 0x0B71;

    const GLenum SCISSOR_TEST                   = 0x0C11;

    const GLenum POLYGON_OFFSET_FILL            = 0x8037;

    const GLenum SAMPLE_ALPHA_TO_COVERAGE       = 0x809E;

    const GLenum SAMPLE_COVERAGE                = 0x80A0;

    /* ErrorCode */

    const GLenum NO_ERROR                       = 0;

    const GLenum INVALID_ENUM                   = 0x0500;

    const GLenum INVALID_VALUE                  = 0x0501;

    const GLenum INVALID_OPERATION              = 0x0502;

    const GLenum OUT_OF_MEMORY                  = 0x0505;

    /* FrontFaceDirection */

    const GLenum CW                             = 0x0900;

    const GLenum CCW                            = 0x0901;

    /* GetPName */

    const GLenum LINE_WIDTH                     = 0x0B21;

    const GLenum ALIASED_POINT_SIZE_RANGE       = 0x846D;

    const GLenum ALIASED_LINE_WIDTH_RANGE       = 0x846E;

    const GLenum CULL_FACE_MODE                 = 0x0B45;

    const GLenum FRONT_FACE                     = 0x0B46;

    const GLenum DEPTH_RANGE                    = 0x0B70;

    const GLenum DEPTH_WRITEMASK                = 0x0B72;

    const GLenum DEPTH_CLEAR_VALUE              = 0x0B73;

    const GLenum DEPTH_FUNC                     = 0x0B74;

    const GLenum STENCIL_CLEAR_VALUE            = 0x0B91;

    const GLenum STENCIL_FUNC                   = 0x0B92;

    const GLenum STENCIL_FAIL                   = 0x0B94;

    const GLenum STENCIL_PASS_DEPTH_FAIL        = 0x0B95;

    const GLenum STENCIL_PASS_DEPTH_PASS        = 0x0B96;

    const GLenum STENCIL_REF                    = 0x0B97;

    const GLenum STENCIL_VALUE_MASK             = 0x0B93;

    const GLenum STENCIL_WRITEMASK              = 0x0B98;

    const GLenum STENCIL_BACK_FUNC              = 0x8800;

    const GLenum STENCIL_BACK_FAIL              = 0x8801;

    const GLenum STENCIL_BACK_PASS_DEPTH_FAIL   = 0x8802;

    const GLenum STENCIL_BACK_PASS_DEPTH_PASS   = 0x8803;

    const GLenum STENCIL_BACK_REF               = 0x8CA3;

    const GLenum STENCIL_BACK_VALUE_MASK        = 0x8CA4;

    const GLenum STENCIL_BACK_WRITEMASK         = 0x8CA5;

    const GLenum VIEWPORT                       = 0x0BA2;

    const GLenum SCISSOR_BOX                    = 0x0C10;

    /*      SCISSOR_TEST */

    const GLenum COLOR_CLEAR_VALUE              = 0x0C22;

    const GLenum COLOR_WRITEMASK                = 0x0C23;

    const GLenum UNPACK_ALIGNMENT               = 0x0CF5;

    const GLenum PACK_ALIGNMENT                 = 0x0D05;

    const GLenum MAX_TEXTURE_SIZE               = 0x0D33;

    const GLenum MAX_VIEWPORT_DIMS              = 0x0D3A;

    const GLenum SUBPIXEL_BITS                  = 0x0D50;

    const GLenum RED_BITS                       = 0x0D52;

    const GLenum GREEN_BITS                     = 0x0D53;

    const GLenum BLUE_BITS                      = 0x0D54;

    const GLenum ALPHA_BITS                     = 0x0D55;

    const GLenum DEPTH_BITS                     = 0x0D56;

    const GLenum STENCIL_BITS                   = 0x0D57;

    const GLenum POLYGON_OFFSET_UNITS           = 0x2A00;

    /*      POLYGON_OFFSET_FILL */

    const GLenum POLYGON_OFFSET_FACTOR          = 0x8038;

    const GLenum TEXTURE_BINDING_2D             = 0x8069;

    const GLenum SAMPLE_BUFFERS                 = 0x80A8;

    const GLenum SAMPLES                        = 0x80A9;

    const GLenum SAMPLE_COVERAGE_VALUE          = 0x80AA;

    const GLenum SAMPLE_COVERAGE_INVERT         = 0x80AB;

    /* GetTextureParameter */

    /*      TEXTURE_MAG_FILTER */

    /*      TEXTURE_MIN_FILTER */

    /*      TEXTURE_WRAP_S */

    /*      TEXTURE_WRAP_T */

    const GLenum COMPRESSED_TEXTURE_FORMATS     = 0x86A3;

    /* HintMode */

    const GLenum DONT_CARE                      = 0x1100;

    const GLenum FASTEST                        = 0x1101;

    const GLenum NICEST                         = 0x1102;

    /* HintTarget */

    const GLenum GENERATE_MIPMAP_HINT            = 0x8192;

    /* DataType */

    const GLenum BYTE                           = 0x1400;

    const GLenum UNSIGNED_BYTE                  = 0x1401;

    const GLenum SHORT                          = 0x1402;

    const GLenum UNSIGNED_SHORT                 = 0x1403;

    const GLenum INT                            = 0x1404;

    const GLenum UNSIGNED_INT                   = 0x1405;

    const GLenum FLOAT                          = 0x1406;

    /* PixelFormat */

    const GLenum DEPTH_COMPONENT                = 0x1902;

    const GLenum ALPHA                          = 0x1906;

    const GLenum RGB                            = 0x1907;

    const GLenum RGBA                           = 0x1908;

    const GLenum LUMINANCE                      = 0x1909;

    const GLenum LUMINANCE_ALPHA                = 0x190A;

    /* PixelType */

    /*      UNSIGNED_BYTE */

    const GLenum UNSIGNED_SHORT_4_4_4_4         = 0x8033;

    const GLenum UNSIGNED_SHORT_5_5_5_1         = 0x8034;

    const GLenum UNSIGNED_SHORT_5_6_5           = 0x8363;

    /* Shaders */

    const GLenum FRAGMENT_SHADER                  = 0x8B30;

    const GLenum VERTEX_SHADER                    = 0x8B31;

    const GLenum MAX_VERTEX_ATTRIBS               = 0x8869;

    const GLenum MAX_VERTEX_UNIFORM_VECTORS       = 0x8DFB;

    const GLenum MAX_VARYING_VECTORS              = 0x8DFC;

    const GLenum MAX_COMBINED_TEXTURE_IMAGE_UNITS = 0x8B4D;

    const GLenum MAX_VERTEX_TEXTURE_IMAGE_UNITS   = 0x8B4C;

    const GLenum MAX_TEXTURE_IMAGE_UNITS          = 0x8872;

    const GLenum MAX_FRAGMENT_UNIFORM_VECTORS     = 0x8DFD;

    const GLenum SHADER_TYPE                      = 0x8B4F;

    const GLenum DELETE_STATUS                    = 0x8B80;

    const GLenum LINK_STATUS                      = 0x8B82;

    const GLenum VALIDATE_STATUS                  = 0x8B83;

    const GLenum ATTACHED_SHADERS                 = 0x8B85;

    const GLenum ACTIVE_UNIFORMS                  = 0x8B86;

    const GLenum ACTIVE_ATTRIBUTES                = 0x8B89;

    const GLenum SHADING_LANGUAGE_VERSION         = 0x8B8C;

    const GLenum CURRENT_PROGRAM                  = 0x8B8D;

    /* StencilFunction */

    const GLenum NEVER                          = 0x0200;

    const GLenum LESS                           = 0x0201;

    const GLenum EQUAL                          = 0x0202;

    const GLenum LEQUAL                         = 0x0203;

    const GLenum GREATER                        = 0x0204;

    const GLenum NOTEQUAL                       = 0x0205;

    const GLenum GEQUAL                         = 0x0206;

    const GLenum ALWAYS                         = 0x0207;

    /* StencilOp */

    /*      ZERO */

    const GLenum KEEP                           = 0x1E00;

    const GLenum REPLACE                        = 0x1E01;

    const GLenum INCR                           = 0x1E02;

    const GLenum DECR                           = 0x1E03;

    const GLenum INVERT                         = 0x150A;

    const GLenum INCR_WRAP                      = 0x8507;

    const GLenum DECR_WRAP                      = 0x8508;

    /* StringName */

    const GLenum VENDOR                         = 0x1F00;

    const GLenum RENDERER                       = 0x1F01;

    const GLenum VERSION                        = 0x1F02;

    /* TextureMagFilter */

    const GLenum NEAREST                        = 0x2600;

    const GLenum LINEAR                         = 0x2601;

    /* TextureMinFilter */

    /*      NEAREST */

    /*      LINEAR */

    const GLenum NEAREST_MIPMAP_NEAREST         = 0x2700;

    const GLenum LINEAR_MIPMAP_NEAREST          = 0x2701;

    const GLenum NEAREST_MIPMAP_LINEAR          = 0x2702;

    const GLenum LINEAR_MIPMAP_LINEAR           = 0x2703;

    /* TextureParameterName */

    const GLenum TEXTURE_MAG_FILTER             = 0x2800;

    const GLenum TEXTURE_MIN_FILTER             = 0x2801;

    const GLenum TEXTURE_WRAP_S                 = 0x2802;

    const GLenum TEXTURE_WRAP_T                 = 0x2803;

    /* TextureTarget */

    const GLenum TEXTURE_2D                     = 0x0DE1;

    const GLenum TEXTURE                        = 0x1702;

    const GLenum TEXTURE_CUBE_MAP               = 0x8513;

    const GLenum TEXTURE_BINDING_CUBE_MAP       = 0x8514;

    const GLenum TEXTURE_CUBE_MAP_POSITIVE_X    = 0x8515;

    const GLenum TEXTURE_CUBE_MAP_NEGATIVE_X    = 0x8516;

    const GLenum TEXTURE_CUBE_MAP_POSITIVE_Y    = 0x8517;

    const GLenum TEXTURE_CUBE_MAP_NEGATIVE_Y    = 0x8518;

    const GLenum TEXTURE_CUBE_MAP_POSITIVE_Z    = 0x8519;

    const GLenum TEXTURE_CUBE_MAP_NEGATIVE_Z    = 0x851A;

    const GLenum MAX_CUBE_MAP_TEXTURE_SIZE      = 0x851C;

    /* TextureUnit */

    const GLenum TEXTURE0                       = 0x84C0;

    const GLenum TEXTURE1                       = 0x84C1;

    const GLenum TEXTURE2                       = 0x84C2;

    const GLenum TEXTURE3                       = 0x84C3;

    const GLenum TEXTURE4                       = 0x84C4;

    const GLenum TEXTURE5                       = 0x84C5;

    const GLenum TEXTURE6                       = 0x84C6;

    const GLenum TEXTURE7                       = 0x84C7;

    const GLenum TEXTURE8                       = 0x84C8;

    const GLenum TEXTURE9                       = 0x84C9;

    const GLenum TEXTURE10                      = 0x84CA;

    const GLenum TEXTURE11                      = 0x84CB;

    const GLenum TEXTURE12                      = 0x84CC;

    const GLenum TEXTURE13                      = 0x84CD;

    const GLenum TEXTURE14                      = 0x84CE;

    const GLenum TEXTURE15                      = 0x84CF;

    const GLenum TEXTURE16                      = 0x84D0;

    const GLenum TEXTURE17                      = 0x84D1;

    const GLenum TEXTURE18                      = 0x84D2;

    const GLenum TEXTURE19                      = 0x84D3;

    const GLenum TEXTURE20                      = 0x84D4;

    const GLenum TEXTURE21                      = 0x84D5;

    const GLenum TEXTURE22                      = 0x84D6;

    const GLenum TEXTURE23                      = 0x84D7;

    const GLenum TEXTURE24                      = 0x84D8;

    const GLenum TEXTURE25                      = 0x84D9;

    const GLenum TEXTURE26                      = 0x84DA;

    const GLenum TEXTURE27                      = 0x84DB;

    const GLenum TEXTURE28                      = 0x84DC;

    const GLenum TEXTURE29                      = 0x84DD;

    const GLenum TEXTURE30                      = 0x84DE;

    const GLenum TEXTURE31                      = 0x84DF;

    const GLenum ACTIVE_TEXTURE                 = 0x84E0;

    /* TextureWrapMode */

    const GLenum REPEAT                         = 0x2901;

    const GLenum CLAMP_TO_EDGE                  = 0x812F;

    const GLenum MIRRORED_REPEAT                = 0x8370;

    /* Uniform Types */

    const GLenum FLOAT_VEC2                     = 0x8B50;

    const GLenum FLOAT_VEC3                     = 0x8B51;

    const GLenum FLOAT_VEC4                     = 0x8B52;

    const GLenum INT_VEC2                       = 0x8B53;

    const GLenum INT_VEC3                       = 0x8B54;

    const GLenum INT_VEC4                       = 0x8B55;

    const GLenum BOOL                           = 0x8B56;

    const GLenum BOOL_VEC2                      = 0x8B57;

    const GLenum BOOL_VEC3                      = 0x8B58;

    const GLenum BOOL_VEC4                      = 0x8B59;

    const GLenum FLOAT_MAT2                     = 0x8B5A;

    const GLenum FLOAT_MAT3                     = 0x8B5B;

    const GLenum FLOAT_MAT4                     = 0x8B5C;

    const GLenum SAMPLER_2D                     = 0x8B5E;

    const GLenum SAMPLER_CUBE                   = 0x8B60;

    /* Vertex Arrays */

    const GLenum VERTEX_ATTRIB_ARRAY_ENABLED        = 0x8622;

    const GLenum VERTEX_ATTRIB_ARRAY_SIZE           = 0x8623;

    const GLenum VERTEX_ATTRIB_ARRAY_STRIDE         = 0x8624;

    const GLenum VERTEX_ATTRIB_ARRAY_TYPE           = 0x8625;

    const GLenum VERTEX_ATTRIB_ARRAY_NORMALIZED     = 0x886A;

    const GLenum VERTEX_ATTRIB_ARRAY_POINTER        = 0x8645;

    const GLenum VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = 0x889F;

    /* Read Format */

    const GLenum IMPLEMENTATION_COLOR_READ_TYPE   = 0x8B9A;

    const GLenum IMPLEMENTATION_COLOR_READ_FORMAT = 0x8B9B;

    /* Shader Source */

    const GLenum COMPILE_STATUS                 = 0x8B81;

    /* Shader Precision-Specified Types */

    const GLenum LOW_FLOAT                      = 0x8DF0;

    const GLenum MEDIUM_FLOAT                   = 0x8DF1;

    const GLenum HIGH_FLOAT                     = 0x8DF2;

    const GLenum LOW_INT                        = 0x8DF3;

    const GLenum MEDIUM_INT                     = 0x8DF4;

    const GLenum HIGH_INT                       = 0x8DF5;

    /* Framebuffer Object. */

    const GLenum FRAMEBUFFER                    = 0x8D40;

    const GLenum RENDERBUFFER                   = 0x8D41;

    const GLenum RGBA4                          = 0x8056;

    const GLenum RGB5_A1                        = 0x8057;

    const GLenum RGBA8                          = 0x8058;

    const GLenum RGB565                         = 0x8D62;

    const GLenum DEPTH_COMPONENT16              = 0x81A5;

    const GLenum STENCIL_INDEX8                 = 0x8D48;

    const GLenum DEPTH_STENCIL                  = 0x84F9;

    const GLenum RENDERBUFFER_WIDTH             = 0x8D42;

    const GLenum RENDERBUFFER_HEIGHT            = 0x8D43;

    const GLenum RENDERBUFFER_INTERNAL_FORMAT   = 0x8D44;

    const GLenum RENDERBUFFER_RED_SIZE          = 0x8D50;

    const GLenum RENDERBUFFER_GREEN_SIZE        = 0x8D51;

    const GLenum RENDERBUFFER_BLUE_SIZE         = 0x8D52;

    const GLenum RENDERBUFFER_ALPHA_SIZE        = 0x8D53;

    const GLenum RENDERBUFFER_DEPTH_SIZE        = 0x8D54;

    const GLenum RENDERBUFFER_STENCIL_SIZE      = 0x8D55;

    const GLenum FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE           = 0x8CD0;

    const GLenum FRAMEBUFFER_ATTACHMENT_OBJECT_NAME           = 0x8CD1;

    const GLenum FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL         = 0x8CD2;

    const GLenum FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = 0x8CD3;

    const GLenum COLOR_ATTACHMENT0              = 0x8CE0;

    const GLenum DEPTH_ATTACHMENT               = 0x8D00;

    const GLenum STENCIL_ATTACHMENT             = 0x8D20;

    const GLenum DEPTH_STENCIL_ATTACHMENT       = 0x821A;

    const GLenum NONE                           = 0;

    const GLenum FRAMEBUFFER_COMPLETE                      = 0x8CD5;

    const GLenum FRAMEBUFFER_INCOMPLETE_ATTACHMENT         = 0x8CD6;

    const GLenum FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT = 0x8CD7;

    const GLenum FRAMEBUFFER_INCOMPLETE_DIMENSIONS         = 0x8CD9;

    const GLenum FRAMEBUFFER_UNSUPPORTED                   = 0x8CDD;

    const GLenum FRAMEBUFFER_BINDING            = 0x8CA6;

    const GLenum RENDERBUFFER_BINDING           = 0x8CA7;

    const GLenum MAX_RENDERBUFFER_SIZE          = 0x84E8;

    const GLenum INVALID_FRAMEBUFFER_OPERATION  = 0x0506;

    /* WebGL-specific enums */

    const GLenum UNPACK_FLIP_Y_WEBGL            = 0x9240;

    const GLenum UNPACK_PREMULTIPLY_ALPHA_WEBGL = 0x9241;

    const GLenum CONTEXT_LOST_WEBGL             = 0x9242;

    const GLenum UNPACK_COLORSPACE_CONVERSION_WEBGL = 0x9243;

    const GLenum BROWSER_DEFAULT_WEBGL          = 0x9244;

    readonly attribute (HTMLCanvasElement or OffscreenCanvas) canvas;

    readonly attribute GLsizei drawingBufferWidth;

    readonly attribute GLsizei drawingBufferHeight;

    readonly attribute GLenum drawingBufferFormat;

    /* Upon context creation, drawingBufferColorSpace and unpackColorSpace both

       default to the value "srgb". */

    attribute PredefinedColorSpace drawingBufferColorSpace;

    attribute PredefinedColorSpace unpackColorSpace;

    [WebGLHandlesContextLoss] WebGLContextAttributes? getContextAttributes();

    [WebGLHandlesContextLoss] boolean isContextLost();

    sequence<DOMString>? getSupportedExtensions();

    object? getExtension(DOMString name);

    undefined drawingBufferStorage(GLenum sizedFormat, unsigned long width, unsigned long height);

    undefined activeTexture(GLenum texture);

    undefined attachShader(WebGLProgram program, WebGLShader shader);

    undefined bindAttribLocation(WebGLProgram program, GLuint index, DOMString name);

    undefined bindBuffer(GLenum target, WebGLBuffer? buffer);

    undefined bindFramebuffer(GLenum target, WebGLFramebuffer? framebuffer);

    undefined bindRenderbuffer(GLenum target, WebGLRenderbuffer? renderbuffer);

    undefined bindTexture(GLenum target, WebGLTexture? texture);

    undefined blendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);

    undefined blendEquation(GLenum mode);

    undefined blendEquationSeparate(GLenum modeRGB, GLenum modeAlpha);

    undefined blendFunc(GLenum sfactor, GLenum dfactor);

    undefined blendFuncSeparate(GLenum srcRGB, GLenum dstRGB,

                                GLenum srcAlpha, GLenum dstAlpha);

    [WebGLHandlesContextLoss] GLenum checkFramebufferStatus(GLenum target);

    undefined clear(GLbitfield mask);

    undefined clearColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);

    undefined clearDepth(GLclampf depth);

    undefined clearStencil(GLint s);

    undefined colorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);

    undefined compileShader(WebGLShader shader);

    undefined copyTexImage2D(GLenum target, GLint level, GLenum internalformat,

                             GLint x, GLint y, GLsizei width, GLsizei height,

                             GLint border);

    undefined copyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,

                                GLint x, GLint y, GLsizei width, GLsizei height);

    WebGLBuffer? createBuffer();

    WebGLFramebuffer? createFramebuffer();

    WebGLProgram? createProgram();

    WebGLRenderbuffer? createRenderbuffer();

    WebGLShader? createShader(GLenum type);

    WebGLTexture? createTexture();

    undefined cullFace(GLenum mode);

    undefined deleteBuffer(WebGLBuffer? buffer);

    undefined deleteFramebuffer(WebGLFramebuffer? framebuffer);

    undefined deleteProgram(WebGLProgram? program);

    undefined deleteRenderbuffer(WebGLRenderbuffer? renderbuffer);

    undefined deleteShader(WebGLShader? shader);

    undefined deleteTexture(WebGLTexture? texture);

    undefined depthFunc(GLenum func);

    undefined depthMask(GLboolean flag);

    undefined depthRange(GLclampf zNear, GLclampf zFar);

    undefined detachShader(WebGLProgram program, WebGLShader shader);

    undefined disable(GLenum cap);

    undefined disableVertexAttribArray(GLuint index);

    undefined drawArrays(GLenum mode, GLint first, GLsizei count);

    undefined drawElements(GLenum mode, GLsizei count, GLenum type, GLintptr offset);

    undefined enable(GLenum cap);

    undefined enableVertexAttribArray(GLuint index);

    undefined finish();

    undefined flush();

    undefined framebufferRenderbuffer(GLenum target, GLenum attachment,

                                      GLenum renderbuffertarget,

                                      WebGLRenderbuffer? renderbuffer);

    undefined framebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget,

                                   WebGLTexture? texture, GLint level);

    undefined frontFace(GLenum mode);

    undefined generateMipmap(GLenum target);

    WebGLActiveInfo? getActiveAttrib(WebGLProgram program, GLuint index);

    WebGLActiveInfo? getActiveUniform(WebGLProgram program, GLuint index);

    sequence<WebGLShader>? getAttachedShaders(WebGLProgram program);

    [WebGLHandlesContextLoss] GLint getAttribLocation(WebGLProgram program, DOMString name);

    any getBufferParameter(GLenum target, GLenum pname);

    any getParameter(GLenum pname);

    [WebGLHandlesContextLoss] GLenum getError();

    any getFramebufferAttachmentParameter(GLenum target, GLenum attachment,

                                          GLenum pname);

    any getProgramParameter(WebGLProgram program, GLenum pname);

    DOMString? getProgramInfoLog(WebGLProgram program);

    any getRenderbufferParameter(GLenum target, GLenum pname);

    any getShaderParameter(WebGLShader shader, GLenum pname);

    WebGLShaderPrecisionFormat? getShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype);

    DOMString? getShaderInfoLog(WebGLShader shader);

    DOMString? getShaderSource(WebGLShader shader);

    any getTexParameter(GLenum target, GLenum pname);

    any getUniform(WebGLProgram program, WebGLUniformLocation location);

    WebGLUniformLocation? getUniformLocation(WebGLProgram program, DOMString name);

    any getVertexAttrib(GLuint index, GLenum pname);

    [WebGLHandlesContextLoss] GLintptr getVertexAttribOffset(GLuint index, GLenum pname);

    undefined hint(GLenum target, GLenum mode);

    [WebGLHandlesContextLoss] GLboolean isBuffer(WebGLBuffer? buffer);

    [WebGLHandlesContextLoss] GLboolean isEnabled(GLenum cap);

    [WebGLHandlesContextLoss] GLboolean isFramebuffer(WebGLFramebuffer? framebuffer);

    [WebGLHandlesContextLoss] GLboolean isProgram(WebGLProgram? program);

    [WebGLHandlesContextLoss] GLboolean isRenderbuffer(WebGLRenderbuffer? renderbuffer);

    [WebGLHandlesContextLoss] GLboolean isShader(WebGLShader? shader);

    [WebGLHandlesContextLoss] GLboolean isTexture(WebGLTexture? texture);

    undefined lineWidth(GLfloat width);

    undefined linkProgram(WebGLProgram program);

    undefined pixelStorei(GLenum pname, GLint param);

    undefined polygonOffset(GLfloat factor, GLfloat units);

    undefined renderbufferStorage(GLenum target, GLenum internalformat,

                                  GLsizei width, GLsizei height);

    undefined sampleCoverage(GLclampf value, GLboolean invert);

    undefined scissor(GLint x, GLint y, GLsizei width, GLsizei height);

    undefined shaderSource(WebGLShader shader, DOMString source);

    undefined stencilFunc(GLenum func, GLint ref, GLuint mask);

    undefined stencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask);

    undefined stencilMask(GLuint mask);

    undefined stencilMaskSeparate(GLenum face, GLuint mask);

    undefined stencilOp(GLenum fail, GLenum zfail, GLenum zpass);

    undefined stencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass);

    undefined texParameterf(GLenum target, GLenum pname, GLfloat param);

    undefined texParameteri(GLenum target, GLenum pname, GLint param);

    undefined uniform1f(WebGLUniformLocation? location, GLfloat x);

    undefined uniform2f(WebGLUniformLocation? location, GLfloat x, GLfloat y);

    undefined uniform3f(WebGLUniformLocation? location, GLfloat x, GLfloat y, GLfloat z);

    undefined uniform4f(WebGLUniformLocation? location, GLfloat x, GLfloat y, GLfloat z, GLfloat w);

    undefined uniform1i(WebGLUniformLocation? location, GLint x);

    undefined uniform2i(WebGLUniformLocation? location, GLint x, GLint y);

    undefined uniform3i(WebGLUniformLocation? location, GLint x, GLint y, GLint z);

    undefined uniform4i(WebGLUniformLocation? location, GLint x, GLint y, GLint z, GLint w);

    undefined useProgram(WebGLProgram? program);

    undefined validateProgram(WebGLProgram program);

    undefined vertexAttrib1f(GLuint index, GLfloat x);

    undefined vertexAttrib2f(GLuint index, GLfloat x, GLfloat y);

    undefined vertexAttrib3f(GLuint index, GLfloat x, GLfloat y, GLfloat z);

    undefined vertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);

    undefined vertexAttrib1fv(GLuint index, Float32List values);

    undefined vertexAttrib2fv(GLuint index, Float32List values);

    undefined vertexAttrib3fv(GLuint index, Float32List values);

    undefined vertexAttrib4fv(GLuint index, Float32List values);

    undefined vertexAttribPointer(GLuint index, GLint size, GLenum type,

                                  GLboolean normalized, GLsizei stride, GLintptr offset);

    undefined viewport(GLint x, GLint y, GLsizei width, GLsizei height);

};

interface mixin WebGLRenderingContextOverloads

    undefined bufferData(GLenum target, GLsizeiptr size, GLenum usage);

    undefined bufferData(GLenum target, AllowSharedBufferSource? data, GLenum usage);

    undefined bufferSubData(GLenum target, GLintptr offset, AllowSharedBufferSource data);

    undefined compressedTexImage2D(GLenum target, GLint level, GLenum internalformat,

                                   GLsizei width, GLsizei height, GLint border,

                                   [AllowShared] ArrayBufferView data);

    undefined compressedTexSubImage2D(GLenum target, GLint level,

                                      GLint xoffset, GLint yoffset,

                                      GLsizei width, GLsizei height, GLenum format,

                                      [AllowShared] ArrayBufferView data);

    undefined readPixels(GLint x, GLint y, GLsizei width, GLsizei height,

                         GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);

    undefined texImage2D(GLenum target, GLint level, GLint internalformat,

                         GLsizei width, GLsizei height, GLint border, GLenum format,

                         GLenum type, [AllowShared] ArrayBufferView? pixels);

    undefined texImage2D(GLenum target, GLint level, GLint internalformat,

                         GLenum format, GLenum type, TexImageSource source); // May throw DOMException

    undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,

                            GLsizei width, GLsizei height,

                            GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);

    undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,

                            GLenum format, GLenum type, TexImageSource source); // May throw DOMException

    undefined uniform1fv(WebGLUniformLocation? location, Float32List v);

    undefined uniform2fv(WebGLUniformLocation? location, Float32List v);

    undefined uniform3fv(WebGLUniformLocation? location, Float32List v);

    undefined uniform4fv(WebGLUniformLocation? location, Float32List v);

    undefined uniform1iv(WebGLUniformLocation? location, Int32List v);

    undefined uniform2iv(WebGLUniformLocation? location, Int32List v);

    undefined uniform3iv(WebGLUniformLocation? location, Int32List v);

    undefined uniform4iv(WebGLUniformLocation? location, Int32List v);

    undefined uniformMatrix2fv(WebGLUniformLocation? location, GLboolean transpose, Float32List value);

    undefined uniformMatrix3fv(WebGLUniformLocation? location, GLboolean transpose, Float32List value);

    undefined uniformMatrix4fv(WebGLUniformLocation? location, GLboolean transpose, Float32List value);

};

[Exposed=(Window,Worker)]

interface WebGLRenderingContext

};

WebGLRenderingContext includes WebGLRenderingContextBase;

WebGLRenderingContext includes WebGLRenderingContextOverloads;

[Exposed=(Window,Worker)]

interface WebGLContextEvent : Event {

    constructor(DOMString type, optional WebGLContextEventInit eventInit = {});

    readonly attribute DOMString statusMessage;

};

// EventInit is defined in the DOM4 specification.

dictionary WebGLContextEventInit : EventInit {

    DOMString statusMessage = "";

};

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