Interface WebGLRenderingContext

interface WebGLRenderingContext {
    ACTIVE_ATTRIBUTES: number;
    ACTIVE_TEXTURE: number;
    ACTIVE_UNIFORMS: number;
    ALIASED_LINE_WIDTH_RANGE: number;
    ALIASED_POINT_SIZE_RANGE: number;
    ALPHA: number;
    ALPHA_BITS: number;
    ALWAYS: number;
    ARRAY_BUFFER: number;
    ARRAY_BUFFER_BINDING: number;
    ATTACHED_SHADERS: number;
    BACK: number;
    BLEND: number;
    BLEND_COLOR: number;
    BLEND_DST_ALPHA: number;
    BLEND_DST_RGB: number;
    BLEND_EQUATION: number;
    BLEND_EQUATION_ALPHA: number;
    BLEND_EQUATION_RGB: number;
    BLEND_SRC_ALPHA: number;
    BLEND_SRC_RGB: number;
    BLUE_BITS: number;
    BOOL: number;
    BOOL_VEC2: number;
    BOOL_VEC3: number;
    BOOL_VEC4: number;
    BROWSER_DEFAULT_WEBGL: number;
    BUFFER_SIZE: number;
    BUFFER_USAGE: number;
    BYTE: number;
    CCW: number;
    CLAMP_TO_EDGE: number;
    COLOR_ATTACHMENT0: number;
    COLOR_BUFFER_BIT: number;
    COLOR_CLEAR_VALUE: number;
    COLOR_WRITEMASK: number;
    COMPILE_STATUS: number;
    COMPRESSED_TEXTURE_FORMATS: number;
    CONSTANT_ALPHA: number;
    CONSTANT_COLOR: number;
    CONTEXT_LOST_WEBGL: number;
    CULL_FACE: number;
    CULL_FACE_MODE: number;
    CURRENT_PROGRAM: number;
    CURRENT_VERTEX_ATTRIB: number;
    CW: number;
    DECR: number;
    DECR_WRAP: number;
    DELETE_STATUS: number;
    DEPTH_ATTACHMENT: number;
    DEPTH_BITS: number;
    DEPTH_BUFFER_BIT: number;
    DEPTH_CLEAR_VALUE: number;
    DEPTH_COMPONENT: number;
    DEPTH_COMPONENT16: number;
    DEPTH_FUNC: number;
    DEPTH_RANGE: number;
    DEPTH_STENCIL: number;
    DEPTH_STENCIL_ATTACHMENT: number;
    DEPTH_TEST: number;
    DEPTH_WRITEMASK: number;
    DITHER: number;
    DONT_CARE: number;
    DST_ALPHA: number;
    DST_COLOR: number;
    DYNAMIC_DRAW: number;
    ELEMENT_ARRAY_BUFFER: number;
    ELEMENT_ARRAY_BUFFER_BINDING: number;
    EQUAL: number;
    FASTEST: number;
    FLOAT: number;
    FLOAT_MAT2: number;
    FLOAT_MAT3: number;
    FLOAT_MAT4: number;
    FLOAT_VEC2: number;
    FLOAT_VEC3: number;
    FLOAT_VEC4: number;
    FRAGMENT_SHADER: number;
    FRAMEBUFFER: number;
    FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: number;
    FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: number;
    FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: number;
    FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: number;
    FRAMEBUFFER_BINDING: number;
    FRAMEBUFFER_COMPLETE: number;
    FRAMEBUFFER_INCOMPLETE_ATTACHMENT: number;
    FRAMEBUFFER_INCOMPLETE_DIMENSIONS: number;
    FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: number;
    FRAMEBUFFER_UNSUPPORTED: number;
    FRONT: number;
    FRONT_AND_BACK: number;
    FRONT_FACE: number;
    FUNC_ADD: number;
    FUNC_REVERSE_SUBTRACT: number;
    FUNC_SUBTRACT: number;
    GENERATE_MIPMAP_HINT: number;
    GEQUAL: number;
    GREATER: number;
    GREEN_BITS: number;
    HIGH_FLOAT: number;
    HIGH_INT: number;
    IMPLEMENTATION_COLOR_READ_FORMAT: number;
    IMPLEMENTATION_COLOR_READ_TYPE: number;
    INCR: number;
    INCR_WRAP: number;
    INT: number;
    INT_VEC2: number;
    INT_VEC3: number;
    INT_VEC4: number;
    INVALID_ENUM: number;
    INVALID_FRAMEBUFFER_OPERATION: number;
    INVALID_OPERATION: number;
    INVALID_VALUE: number;
    INVERT: number;
    KEEP: number;
    LEQUAL: number;
    LESS: number;
    LINEAR: number;
    LINEAR_MIPMAP_LINEAR: number;
    LINEAR_MIPMAP_NEAREST: number;
    LINES: number;
    LINE_LOOP: number;
    LINE_STRIP: number;
    LINE_WIDTH: number;
    LINK_STATUS: number;
    LOW_FLOAT: number;
    LOW_INT: number;
    LUMINANCE: number;
    LUMINANCE_ALPHA: number;
    MAX_COMBINED_TEXTURE_IMAGE_UNITS: number;
    MAX_CUBE_MAP_TEXTURE_SIZE: number;
    MAX_FRAGMENT_UNIFORM_VECTORS: number;
    MAX_RENDERBUFFER_SIZE: number;
    MAX_TEXTURE_IMAGE_UNITS: number;
    MAX_TEXTURE_SIZE: number;
    MAX_VARYING_VECTORS: number;
    MAX_VERTEX_ATTRIBS: number;
    MAX_VERTEX_TEXTURE_IMAGE_UNITS: number;
    MAX_VERTEX_UNIFORM_VECTORS: number;
    MAX_VIEWPORT_DIMS: number;
    MEDIUM_FLOAT: number;
    MEDIUM_INT: number;
    MIRRORED_REPEAT: number;
    NEAREST: number;
    NEAREST_MIPMAP_LINEAR: number;
    NEAREST_MIPMAP_NEAREST: number;
    NEVER: number;
    NICEST: number;
    NONE: number;
    NOTEQUAL: number;
    NO_ERROR: number;
    ONE: number;
    ONE_MINUS_CONSTANT_ALPHA: number;
    ONE_MINUS_CONSTANT_COLOR: number;
    ONE_MINUS_DST_ALPHA: number;
    ONE_MINUS_DST_COLOR: number;
    ONE_MINUS_SRC_ALPHA: number;
    ONE_MINUS_SRC_COLOR: number;
    OUT_OF_MEMORY: number;
    PACK_ALIGNMENT: number;
    POINTS: number;
    POLYGON_OFFSET_FACTOR: number;
    POLYGON_OFFSET_FILL: number;
    POLYGON_OFFSET_UNITS: number;
    RED_BITS: number;
    RENDERBUFFER: number;
    RENDERBUFFER_ALPHA_SIZE: number;
    RENDERBUFFER_BINDING: number;
    RENDERBUFFER_BLUE_SIZE: number;
    RENDERBUFFER_DEPTH_SIZE: number;
    RENDERBUFFER_GREEN_SIZE: number;
    RENDERBUFFER_HEIGHT: number;
    RENDERBUFFER_INTERNAL_FORMAT: number;
    RENDERBUFFER_RED_SIZE: number;
    RENDERBUFFER_STENCIL_SIZE: number;
    RENDERBUFFER_WIDTH: number;
    RENDERER: number;
    REPEAT: number;
    REPLACE: number;
    RGB: number;
    RGB565: number;
    RGB5_A1: number;
    RGBA: number;
    RGBA4: number;
    SAMPLER_2D: number;
    SAMPLER_CUBE: number;
    SAMPLES: number;
    SAMPLE_ALPHA_TO_COVERAGE: number;
    SAMPLE_BUFFERS: number;
    SAMPLE_COVERAGE: number;
    SAMPLE_COVERAGE_INVERT: number;
    SAMPLE_COVERAGE_VALUE: number;
    SCISSOR_BOX: number;
    SCISSOR_TEST: number;
    SHADER_TYPE: number;
    SHADING_LANGUAGE_VERSION: number;
    SHORT: number;
    SRC_ALPHA: number;
    SRC_ALPHA_SATURATE: number;
    SRC_COLOR: number;
    STATIC_DRAW: number;
    STENCIL_ATTACHMENT: number;
    STENCIL_BACK_FAIL: number;
    STENCIL_BACK_FUNC: number;
    STENCIL_BACK_PASS_DEPTH_FAIL: number;
    STENCIL_BACK_PASS_DEPTH_PASS: number;
    STENCIL_BACK_REF: number;
    STENCIL_BACK_VALUE_MASK: number;
    STENCIL_BACK_WRITEMASK: number;
    STENCIL_BITS: number;
    STENCIL_BUFFER_BIT: number;
    STENCIL_CLEAR_VALUE: number;
    STENCIL_FAIL: number;
    STENCIL_FUNC: number;
    STENCIL_INDEX8: number;
    STENCIL_PASS_DEPTH_FAIL: number;
    STENCIL_PASS_DEPTH_PASS: number;
    STENCIL_REF: number;
    STENCIL_TEST: number;
    STENCIL_VALUE_MASK: number;
    STENCIL_WRITEMASK: number;
    STREAM_DRAW: number;
    SUBPIXEL_BITS: number;
    TEXTURE: number;
    TEXTURE0: number;
    TEXTURE1: number;
    TEXTURE10: number;
    TEXTURE11: number;
    TEXTURE12: number;
    TEXTURE13: number;
    TEXTURE14: number;
    TEXTURE15: number;
    TEXTURE16: number;
    TEXTURE17: number;
    TEXTURE18: number;
    TEXTURE19: number;
    TEXTURE2: number;
    TEXTURE20: number;
    TEXTURE21: number;
    TEXTURE22: number;
    TEXTURE23: number;
    TEXTURE24: number;
    TEXTURE25: number;
    TEXTURE26: number;
    TEXTURE27: number;
    TEXTURE28: number;
    TEXTURE29: number;
    TEXTURE3: number;
    TEXTURE30: number;
    TEXTURE31: number;
    TEXTURE4: number;
    TEXTURE5: number;
    TEXTURE6: number;
    TEXTURE7: number;
    TEXTURE8: number;
    TEXTURE9: number;
    TEXTURE_2D: number;
    TEXTURE_BINDING_2D: number;
    TEXTURE_BINDING_CUBE_MAP: number;
    TEXTURE_CUBE_MAP: number;
    TEXTURE_CUBE_MAP_NEGATIVE_X: number;
    TEXTURE_CUBE_MAP_NEGATIVE_Y: number;
    TEXTURE_CUBE_MAP_NEGATIVE_Z: number;
    TEXTURE_CUBE_MAP_POSITIVE_X: number;
    TEXTURE_CUBE_MAP_POSITIVE_Y: number;
    TEXTURE_CUBE_MAP_POSITIVE_Z: number;
    TEXTURE_MAG_FILTER: number;
    TEXTURE_MIN_FILTER: number;
    TEXTURE_WRAP_S: number;
    TEXTURE_WRAP_T: number;
    TRIANGLES: number;
    TRIANGLE_FAN: number;
    TRIANGLE_STRIP: number;
    UNPACK_ALIGNMENT: number;
    UNPACK_COLORSPACE_CONVERSION_WEBGL: number;
    UNPACK_FLIP_Y_WEBGL: number;
    UNPACK_PREMULTIPLY_ALPHA_WEBGL: number;
    UNSIGNED_BYTE: number;
    UNSIGNED_INT: number;
    UNSIGNED_SHORT: number;
    UNSIGNED_SHORT_4_4_4_4: number;
    UNSIGNED_SHORT_5_5_5_1: number;
    UNSIGNED_SHORT_5_6_5: number;
    VALIDATE_STATUS: number;
    VENDOR: number;
    VERSION: number;
    VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: number;
    VERTEX_ATTRIB_ARRAY_ENABLED: number;
    VERTEX_ATTRIB_ARRAY_NORMALIZED: number;
    VERTEX_ATTRIB_ARRAY_POINTER: number;
    VERTEX_ATTRIB_ARRAY_SIZE: number;
    VERTEX_ATTRIB_ARRAY_STRIDE: number;
    VERTEX_ATTRIB_ARRAY_TYPE: number;
    VERTEX_SHADER: number;
    VIEWPORT: number;
    ZERO: number;
    canvas: HTMLCanvasElement | OffscreenCanvas;
    drawingBufferHeight: number;
    drawingBufferWidth: number;
    activeTexture(texture): void;
    attachShader(program, shader): void;
    bindAttribLocation(program, index, name): void;
    bindBuffer(target, buffer): void;
    bindFramebuffer(target, framebuffer): void;
    bindRenderbuffer(target, renderbuffer): void;
    bindTexture(target, texture): void;
    blendColor(red, green, blue, alpha): void;
    blendEquation(mode): void;
    blendEquationSeparate(modeRGB, modeAlpha): void;
    blendFunc(sfactor, dfactor): void;
    blendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha): void;
    bufferData(target, size, usage): void;
    bufferData(target, data, usage): void;
    bufferSubData(target, offset, data): void;
    checkFramebufferStatus(target): number;
    clear(mask): void;
    clearColor(red, green, blue, alpha): void;
    clearDepth(depth): void;
    clearStencil(s): void;
    colorMask(red, green, blue, alpha): void;
    compileShader(shader): void;
    compressedTexImage2D(target, level, internalformat, width, height, border, data): void;
    compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, data): void;
    copyTexImage2D(target, level, internalformat, x, y, width, height, border): void;
    copyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height): void;
    createBuffer(): null | WebGLBuffer;
    createFramebuffer(): null | WebGLFramebuffer;
    createProgram(): null | WebGLProgram;
    createRenderbuffer(): null | WebGLRenderbuffer;
    createShader(type): null | WebGLShader;
    createTexture(): null | WebGLTexture;
    cullFace(mode): void;
    deleteBuffer(buffer): void;
    deleteFramebuffer(framebuffer): void;
    deleteProgram(program): void;
    deleteRenderbuffer(renderbuffer): void;
    deleteShader(shader): void;
    deleteTexture(texture): void;
    depthFunc(func): void;
    depthMask(flag): void;
    depthRange(zNear, zFar): void;
    detachShader(program, shader): void;
    disable(cap): void;
    disableVertexAttribArray(index): void;
    drawArrays(mode, first, count): void;
    drawElements(mode, count, type, offset): void;
    enable(cap): void;
    enableVertexAttribArray(index): void;
    finish(): void;
    flush(): void;
    framebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer): void;
    framebufferTexture2D(target, attachment, textarget, texture, level): void;
    frontFace(mode): void;
    generateMipmap(target): void;
    getActiveAttrib(program, index): null | WebGLActiveInfo;
    getActiveUniform(program, index): null | WebGLActiveInfo;
    getAttachedShaders(program): null | WebGLShader[];
    getAttribLocation(program, name): number;
    getBufferParameter(target, pname): any;
    getContextAttributes(): null | WebGLContextAttributes;
    getError(): number;
    getExtension(extensionName): null | ANGLE_instanced_arrays;
    getExtension(extensionName): null | EXT_blend_minmax;
    getExtension(extensionName): null | EXT_color_buffer_float;
    getExtension(extensionName): null | EXT_color_buffer_half_float;
    getExtension(extensionName): null | EXT_float_blend;
    getExtension(extensionName): null | EXT_frag_depth;
    getExtension(extensionName): null | EXT_sRGB;
    getExtension(extensionName): null | EXT_shader_texture_lod;
    getExtension(extensionName): null | EXT_texture_compression_bptc;
    getExtension(extensionName): null | EXT_texture_compression_rgtc;
    getExtension(extensionName): null | EXT_texture_filter_anisotropic;
    getExtension(extensionName): null | KHR_parallel_shader_compile;
    getExtension(extensionName): null | OES_element_index_uint;
    getExtension(extensionName): null | OES_fbo_render_mipmap;
    getExtension(extensionName): null | OES_standard_derivatives;
    getExtension(extensionName): null | OES_texture_float;
    getExtension(extensionName): null | OES_texture_float_linear;
    getExtension(extensionName): null | OES_texture_half_float;
    getExtension(extensionName): null | OES_texture_half_float_linear;
    getExtension(extensionName): null | OES_vertex_array_object;
    getExtension(extensionName): null | OVR_multiview2;
    getExtension(extensionName): null | WEBGL_color_buffer_float;
    getExtension(extensionName): null | WEBGL_compressed_texture_astc;
    getExtension(extensionName): null | WEBGL_compressed_texture_etc;
    getExtension(extensionName): null | WEBGL_compressed_texture_etc1;
    getExtension(extensionName): null | WEBGL_compressed_texture_s3tc;
    getExtension(extensionName): null | WEBGL_compressed_texture_s3tc_srgb;
    getExtension(extensionName): null | WEBGL_debug_renderer_info;
    getExtension(extensionName): null | WEBGL_debug_shaders;
    getExtension(extensionName): null | WEBGL_depth_texture;
    getExtension(extensionName): null | WEBGL_draw_buffers;
    getExtension(extensionName): null | WEBGL_lose_context;
    getExtension(extensionName): null | WEBGL_multi_draw;
    getExtension(name): any;
    getFramebufferAttachmentParameter(target, attachment, pname): any;
    getParameter(pname): any;
    getProgramInfoLog(program): null | string;
    getProgramParameter(program, pname): any;
    getRenderbufferParameter(target, pname): any;
    getShaderInfoLog(shader): null | string;
    getShaderParameter(shader, pname): any;
    getShaderPrecisionFormat(shadertype, precisiontype): null | WebGLShaderPrecisionFormat;
    getShaderSource(shader): null | string;
    getSupportedExtensions(): null | string[];
    getTexParameter(target, pname): any;
    getUniform(program, location): any;
    getUniformLocation(program, name): null | WebGLUniformLocation;
    getVertexAttrib(index, pname): any;
    getVertexAttribOffset(index, pname): number;
    hint(target, mode): void;
    isBuffer(buffer): boolean;
    isContextLost(): boolean;
    isEnabled(cap): boolean;
    isFramebuffer(framebuffer): boolean;
    isProgram(program): boolean;
    isRenderbuffer(renderbuffer): boolean;
    isShader(shader): boolean;
    isTexture(texture): boolean;
    lineWidth(width): void;
    linkProgram(program): void;
    pixelStorei(pname, param): void;
    polygonOffset(factor, units): void;
    readPixels(x, y, width, height, format, type, pixels): void;
    renderbufferStorage(target, internalformat, width, height): void;
    sampleCoverage(value, invert): void;
    scissor(x, y, width, height): void;
    shaderSource(shader, source): void;
    stencilFunc(func, ref, mask): void;
    stencilFuncSeparate(face, func, ref, mask): void;
    stencilMask(mask): void;
    stencilMaskSeparate(face, mask): void;
    stencilOp(fail, zfail, zpass): void;
    stencilOpSeparate(face, fail, zfail, zpass): void;
    texImage2D(target, level, internalformat, width, height, border, format, type, pixels): void;
    texImage2D(target, level, internalformat, format, type, source): void;
    texParameterf(target, pname, param): void;
    texParameteri(target, pname, param): void;
    texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels): void;
    texSubImage2D(target, level, xoffset, yoffset, format, type, source): void;
    uniform1f(location, x): void;
    uniform1fv(location, v): void;
    uniform1fv(location, v): void;
    uniform1i(location, x): void;
    uniform1iv(location, v): void;
    uniform1iv(location, v): void;
    uniform2f(location, x, y): void;
    uniform2fv(location, v): void;
    uniform2fv(location, v): void;
    uniform2i(location, x, y): void;
    uniform2iv(location, v): void;
    uniform2iv(location, v): void;
    uniform3f(location, x, y, z): void;
    uniform3fv(location, v): void;
    uniform3fv(location, v): void;
    uniform3i(location, x, y, z): void;
    uniform3iv(location, v): void;
    uniform3iv(location, v): void;
    uniform4f(location, x, y, z, w): void;
    uniform4fv(location, v): void;
    uniform4fv(location, v): void;
    uniform4i(location, x, y, z, w): void;
    uniform4iv(location, v): void;
    uniform4iv(location, v): void;
    uniformMatrix2fv(location, transpose, value): void;
    uniformMatrix2fv(location, transpose, value): void;
    uniformMatrix3fv(location, transpose, value): void;
    uniformMatrix3fv(location, transpose, value): void;
    uniformMatrix4fv(location, transpose, value): void;
    uniformMatrix4fv(location, transpose, value): void;
    useProgram(program): void;
    validateProgram(program): void;
    vertexAttrib1f(index, x): void;
    vertexAttrib1fv(index, values): void;
    vertexAttrib1fv(index, values): void;
    vertexAttrib2f(index, x, y): void;
    vertexAttrib2fv(index, values): void;
    vertexAttrib2fv(index, values): void;
    vertexAttrib3f(index, x, y, z): void;
    vertexAttrib3fv(index, values): void;
    vertexAttrib3fv(index, values): void;
    vertexAttrib4f(index, x, y, z, w): void;
    vertexAttrib4fv(index, values): void;
    vertexAttrib4fv(index, values): void;
    vertexAttribPointer(index, size, type, normalized, stride, offset): void;
    viewport(x, y, width, height): void;
}