/*! ***************************************************************************** Copyright (c) 2025 Tencent, Inc. All rights reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ***************************************************************************** */ /* eslint-disable @typescript-eslint/naming-convention */ declare namespace WechatMiniprogram.CanvasRenderingContext { type CanvasDirection = 'inherit' | 'ltr' | 'rtl' type CanvasFillRule = 'evenodd' | 'nonzero' type CanvasFontKerning = 'auto' | 'none' | 'normal' type CanvasFontStretch = | 'condensed' | 'expanded' | 'extra-condensed' | 'extra-expanded' | 'normal' | 'semi-condensed' | 'semi-expanded' | 'ultra-condensed' | 'ultra-expanded' type CanvasFontVariantCaps = | 'all-petite-caps' | 'all-small-caps' | 'normal' | 'petite-caps' | 'small-caps' | 'titling-caps' | 'unicase' type CanvasLineCap = 'butt' | 'round' | 'square' type CanvasLineJoin = 'bevel' | 'miter' | 'round' type CanvasTextAlign = 'center' | 'end' | 'left' | 'right' | 'start' type CanvasTextBaseline = | 'alphabetic' | 'bottom' | 'hanging' | 'ideographic' | 'middle' | 'top' type CanvasTextRendering = | 'auto' | 'geometricPrecision' | 'optimizeLegibility' | 'optimizeSpeed' type GlobalCompositeOperation = | 'color' | 'color-burn' | 'color-dodge' | 'copy' | 'darken' | 'destination-atop' | 'destination-in' | 'destination-out' | 'destination-over' | 'difference' | 'exclusion' | 'hard-light' | 'hue' | 'lighten' | 'lighter' | 'luminosity' | 'multiply' | 'overlay' | 'saturation' | 'screen' | 'soft-light' | 'source-atop' | 'source-in' | 'source-out' | 'source-over' | 'xor' interface CanvasCompositing { globalAlpha: number globalCompositeOperation: GlobalCompositeOperation } type CanvasImageSource = VideoContext | Canvas | Image | OffscreenCanvas interface CanvasDrawImage { drawImage(image: CanvasImageSource, dx: number, dy: number): void drawImage( image: CanvasImageSource, dx: number, dy: number, dw: number, dh: number ): void drawImage( image: CanvasImageSource, sx: number, sy: number, sw: number, sh: number, dx: number, dy: number, dw: number, dh: number ): void } interface CanvasDrawPath { beginPath(): void clip(fillRule?: CanvasFillRule): void clip(path: Path2D, fillRule?: CanvasFillRule): void fill(fillRule?: CanvasFillRule): void fill(path: Path2D, fillRule?: CanvasFillRule): void isPointInPath(x: number, y: number, fillRule?: CanvasFillRule): boolean isPointInPath( path: Path2D, x: number, y: number, fillRule?: CanvasFillRule ): boolean isPointInStroke(x: number, y: number): boolean isPointInStroke(path: Path2D, x: number, y: number): boolean stroke(): void stroke(path: Path2D): void } interface CanvasFillStrokeStyles { fillStyle: string | CanvasGradient | CanvasPattern strokeStyle: string | CanvasGradient | CanvasPattern createConicGradient( startAngle: number, x: number, y: number ): CanvasGradient createLinearGradient( x0: number, y0: number, x1: number, y1: number ): CanvasGradient createPattern( image: CanvasImageSource, repetition: string | null ): CanvasPattern | null createRadialGradient( x0: number, y0: number, r0: number, x1: number, y1: number, r1: number ): CanvasGradient } interface CanvasFilters { filter: string } /** An opaque object describing a gradient. It is returned by the methods CanvasRenderingContext2D.createLinearGradient() or CanvasRenderingContext2D.createRadialGradient(). */ interface CanvasGradient { /** * Adds a color stop with the given color to the gradient at the given offset. 0.0 is the offset at one end of the gradient, 1.0 is the offset at the other end. * * Throws an "IndexSizeError" DOMException if the offset is out of range. Throws a "SyntaxError" DOMException if the color cannot be parsed. */ addColorStop(offset: number, color: string): void } type PredefinedColorSpace = 'display-p3' | 'srgb' interface ImageDataSettings { colorSpace?: PredefinedColorSpace } interface CanvasImageData { createImageData( sw: number, sh: number, settings?: ImageDataSettings ): ImageData createImageData(imagedata: ImageData): ImageData getImageData( sx: number, sy: number, sw: number, sh: number, settings?: ImageDataSettings ): ImageData putImageData(imagedata: ImageData, dx: number, dy: number): void putImageData( imagedata: ImageData, dx: number, dy: number, dirtyX: number, dirtyY: number, dirtyWidth: number, dirtyHeight: number ): void } type ImageSmoothingQuality = 'high' | 'low' | 'medium' interface CanvasImageSmoothing { imageSmoothingEnabled: boolean imageSmoothingQuality: ImageSmoothingQuality } interface CanvasPath { arc( x: number, y: number, radius: number, startAngle: number, endAngle: number, counterclockwise?: boolean ): void arcTo( x1: number, y1: number, x2: number, y2: number, radius: number ): void bezierCurveTo( cp1x: number, cp1y: number, cp2x: number, cp2y: number, x: number, y: number ): void closePath(): void ellipse( x: number, y: number, radiusX: number, radiusY: number, rotation: number, startAngle: number, endAngle: number, counterclockwise?: boolean ): void lineTo(x: number, y: number): void moveTo(x: number, y: number): void quadraticCurveTo(cpx: number, cpy: number, x: number, y: number): void rect(x: number, y: number, w: number, h: number): void roundRect( x: number, y: number, w: number, h: number, radii?: number | number[] ): void } interface CanvasPathDrawingStyles { lineCap: CanvasLineCap lineDashOffset: number lineJoin: CanvasLineJoin lineWidth: number miterLimit: number getLineDash(): number[] setLineDash(segments: number[]): void } interface DOMMatrix2DInit { a?: number b?: number c?: number d?: number e?: number f?: number m11?: number m12?: number m21?: number m22?: number m41?: number m42?: number } /** An opaque object describing a pattern, based on an image, a canvas, or a video, created by the CanvasRenderingContext2D.createPattern() method. */ interface CanvasPattern { /** Sets the transformation matrix that will be used when rendering the pattern during a fill or stroke painting operation. */ setTransform(transform?: DOMMatrix2DInit): void } interface CanvasRect { clearRect(x: number, y: number, w: number, h: number): void fillRect(x: number, y: number, w: number, h: number): void strokeRect(x: number, y: number, w: number, h: number): void } interface CanvasShadowStyles { shadowBlur: number shadowColor: string shadowOffsetX: number shadowOffsetY: number } interface CanvasState { restore(): void save(): void } /** The dimensions of a piece of text in the canvas, as created by the CanvasRenderingContext2D.measureText() method. */ interface TextMetrics { /** Returns the measurement described below. */ readonly actualBoundingBoxAscent: number /** Returns the measurement described below. */ readonly actualBoundingBoxDescent: number /** Returns the measurement described below. */ readonly actualBoundingBoxLeft: number /** Returns the measurement described below. */ readonly actualBoundingBoxRight: number /** Returns the measurement described below. */ readonly fontBoundingBoxAscent: number /** Returns the measurement described below. */ readonly fontBoundingBoxDescent: number /** Returns the measurement described below. */ readonly width: number } interface CanvasText { fillText(text: string, x: number, y: number, maxWidth?: number): void measureText(text: string): TextMetrics strokeText(text: string, x: number, y: number, maxWidth?: number): void } interface CanvasTextDrawingStyles { direction: CanvasDirection font: string fontKerning: CanvasFontKerning textAlign: CanvasTextAlign textBaseline: CanvasTextBaseline } interface DOMMatrixReadOnly { readonly a: number readonly b: number readonly c: number readonly d: number readonly e: number readonly f: number readonly is2D: boolean readonly isIdentity: boolean readonly m11: number readonly m12: number readonly m13: number readonly m14: number readonly m21: number readonly m22: number readonly m23: number readonly m24: number readonly m31: number readonly m32: number readonly m33: number readonly m34: number readonly m41: number readonly m42: number readonly m43: number readonly m44: number } interface CanvasTransform { getTransform(): DOMMatrixReadOnly resetTransform(): void rotate(angle: number): void scale(x: number, y: number): void setTransform( a: number, b: number, c: number, d: number, e: number, f: number ): void setTransform(transform?: DOMMatrix2DInit): void transform( a: number, b: number, c: number, d: number, e: number, f: number ): void translate(x: number, y: number): void } interface CanvasUserInterface { // drawFocusIfNeeded(element: Element): void; // drawFocusIfNeeded(path: Path2D, element: Element): void; } interface CanvasRenderingContext2DSettings { alpha?: boolean colorSpace?: PredefinedColorSpace desynchronized?: boolean willReadFrequently?: boolean } /** The CanvasRenderingContext2D interface, part of the Canvas API, provides the 2D rendering context for the drawing surface of a element. It is used for drawing shapes, text, images, and other objects. */ interface CanvasRenderingContext2D extends CanvasCompositing, CanvasDrawImage, CanvasDrawPath, CanvasFillStrokeStyles, CanvasFilters, CanvasImageData, CanvasImageSmoothing, CanvasPath, CanvasPathDrawingStyles, CanvasRect, CanvasShadowStyles, CanvasState, CanvasText, CanvasTextDrawingStyles, CanvasTransform, CanvasUserInterface { readonly canvas: Canvas getContextAttributes(): CanvasRenderingContext2DSettings } type GLbitfield = number type GLboolean = boolean type GLclampf = number type GLenum = number type GLfloat = number type GLint = number type GLint64 = number type GLintptr = number type GLsizei = number type GLsizeiptr = number type GLuint = number type GLuint64 = number interface WEBGL_color_buffer_float { readonly FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE_EXT: GLenum readonly RGBA32F_EXT: GLenum readonly UNSIGNED_NORMALIZED_EXT: GLenum } interface WEBGL_compressed_texture_astc { getSupportedProfiles(): string[] readonly COMPRESSED_RGBA_ASTC_10x10_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_10x5_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_10x6_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_10x8_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_12x10_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_12x12_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_4x4_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_5x4_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_5x5_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_6x5_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_6x6_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_8x5_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_8x6_KHR: GLenum readonly COMPRESSED_RGBA_ASTC_8x8_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR: GLenum } interface WEBGL_compressed_texture_etc { readonly COMPRESSED_R11_EAC: GLenum readonly COMPRESSED_RG11_EAC: GLenum readonly COMPRESSED_RGB8_ETC2: GLenum readonly COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2: GLenum readonly COMPRESSED_RGBA8_ETC2_EAC: GLenum readonly COMPRESSED_SIGNED_R11_EAC: GLenum readonly COMPRESSED_SIGNED_RG11_EAC: GLenum readonly COMPRESSED_SRGB8_ALPHA8_ETC2_EAC: GLenum readonly COMPRESSED_SRGB8_ETC2: GLenum readonly COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2: GLenum } interface WEBGL_compressed_texture_etc1 { readonly COMPRESSED_RGB_ETC1_WEBGL: GLenum } /** The WEBGL_compressed_texture_s3tc extension is part of the WebGL API and exposes four S3TC compressed texture formats. */ interface WEBGL_compressed_texture_s3tc { readonly COMPRESSED_RGBA_S3TC_DXT1_EXT: GLenum readonly COMPRESSED_RGBA_S3TC_DXT3_EXT: GLenum readonly COMPRESSED_RGBA_S3TC_DXT5_EXT: GLenum readonly COMPRESSED_RGB_S3TC_DXT1_EXT: GLenum } interface WEBGL_compressed_texture_s3tc_srgb { readonly COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: GLenum readonly COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: GLenum readonly COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: GLenum readonly COMPRESSED_SRGB_S3TC_DXT1_EXT: GLenum } /** The WEBGL_debug_renderer_info extension is part of the WebGL API and exposes two constants with information about the graphics driver for debugging purposes. */ interface WEBGL_debug_renderer_info { readonly UNMASKED_RENDERER_WEBGL: GLenum readonly UNMASKED_VENDOR_WEBGL: GLenum } interface WEBGL_debug_shaders { getTranslatedShaderSource(shader: WebGLShader): string } /** The WEBGL_depth_texture extension is part of the WebGL API and defines 2D depth and depth-stencil textures. */ interface WEBGL_depth_texture { readonly UNSIGNED_INT_24_8_WEBGL: GLenum } interface WEBGL_draw_buffers { drawBuffersWEBGL(buffers: GLenum[]): void readonly COLOR_ATTACHMENT0_WEBGL: GLenum readonly COLOR_ATTACHMENT10_WEBGL: GLenum readonly COLOR_ATTACHMENT11_WEBGL: GLenum readonly COLOR_ATTACHMENT12_WEBGL: GLenum readonly COLOR_ATTACHMENT13_WEBGL: GLenum readonly COLOR_ATTACHMENT14_WEBGL: GLenum readonly COLOR_ATTACHMENT15_WEBGL: GLenum readonly COLOR_ATTACHMENT1_WEBGL: GLenum readonly COLOR_ATTACHMENT2_WEBGL: GLenum readonly COLOR_ATTACHMENT3_WEBGL: GLenum readonly COLOR_ATTACHMENT4_WEBGL: GLenum readonly COLOR_ATTACHMENT5_WEBGL: GLenum readonly COLOR_ATTACHMENT6_WEBGL: GLenum readonly COLOR_ATTACHMENT7_WEBGL: GLenum readonly COLOR_ATTACHMENT8_WEBGL: GLenum readonly COLOR_ATTACHMENT9_WEBGL: GLenum readonly DRAW_BUFFER0_WEBGL: GLenum readonly DRAW_BUFFER10_WEBGL: GLenum readonly DRAW_BUFFER11_WEBGL: GLenum readonly DRAW_BUFFER12_WEBGL: GLenum readonly DRAW_BUFFER13_WEBGL: GLenum readonly DRAW_BUFFER14_WEBGL: GLenum readonly DRAW_BUFFER15_WEBGL: GLenum readonly DRAW_BUFFER1_WEBGL: GLenum readonly DRAW_BUFFER2_WEBGL: GLenum readonly DRAW_BUFFER3_WEBGL: GLenum readonly DRAW_BUFFER4_WEBGL: GLenum readonly DRAW_BUFFER5_WEBGL: GLenum readonly DRAW_BUFFER6_WEBGL: GLenum readonly DRAW_BUFFER7_WEBGL: GLenum readonly DRAW_BUFFER8_WEBGL: GLenum readonly DRAW_BUFFER9_WEBGL: GLenum readonly MAX_COLOR_ATTACHMENTS_WEBGL: GLenum readonly MAX_DRAW_BUFFERS_WEBGL: GLenum } interface WEBGL_lose_context { loseContext(): void restoreContext(): void } interface WEBGL_multi_draw { multiDrawArraysInstancedWEBGL( mode: GLenum, firstsList: Int32Array | GLint[], firstsOffset: GLuint, countsList: Int32Array | GLsizei[], countsOffset: GLuint, instanceCountsList: Int32Array | GLsizei[], instanceCountsOffset: GLuint, drawcount: GLsizei ): void multiDrawArraysWEBGL( mode: GLenum, firstsList: Int32Array | GLint[], firstsOffset: GLuint, countsList: Int32Array | GLsizei[], countsOffset: GLuint, drawcount: GLsizei ): void multiDrawElementsInstancedWEBGL( mode: GLenum, countsList: Int32Array | GLsizei[], countsOffset: GLuint, type: GLenum, offsetsList: Int32Array | GLsizei[], offsetsOffset: GLuint, instanceCountsList: Int32Array | GLsizei[], instanceCountsOffset: GLuint, drawcount: GLsizei ): void multiDrawElementsWEBGL( mode: GLenum, countsList: Int32Array | GLsizei[], countsOffset: GLuint, type: GLenum, offsetsList: Int32Array | GLsizei[], offsetsOffset: GLuint, drawcount: GLsizei ): void } type OverSampleType = '2x' | '4x' | 'none' interface WebGL2RenderingContext extends WebGL2RenderingContextBase, WebGL2RenderingContextOverloads, WebGLRenderingContextBase {} type Int32List = Int32Array | GLint[] type Uint32List = Uint32Array | GLuint[] interface WebGL2RenderingContextBase { beginQuery(target: GLenum, query: WebGLQuery): void beginTransformFeedback(primitiveMode: GLenum): void bindBufferBase( target: GLenum, index: GLuint, buffer: WebGLBuffer | null ): void bindBufferRange( target: GLenum, index: GLuint, buffer: WebGLBuffer | null, offset: GLintptr, size: GLsizeiptr ): void bindSampler(unit: GLuint, sampler: WebGLSampler | null): void bindTransformFeedback( target: GLenum, tf: WebGLTransformFeedback | null ): void bindVertexArray(array: WebGLVertexArrayObject | null): void blitFramebuffer( srcX0: GLint, srcY0: GLint, srcX1: GLint, srcY1: GLint, dstX0: GLint, dstY0: GLint, dstX1: GLint, dstY1: GLint, mask: GLbitfield, filter: GLenum ): void clearBufferfi( buffer: GLenum, drawbuffer: GLint, depth: GLfloat, stencil: GLint ): void clearBufferfv( buffer: GLenum, drawbuffer: GLint, values: Float32List, srcOffset?: GLuint ): void clearBufferiv( buffer: GLenum, drawbuffer: GLint, values: Int32List, srcOffset?: GLuint ): void clearBufferuiv( buffer: GLenum, drawbuffer: GLint, values: Uint32List, srcOffset?: GLuint ): void clientWaitSync( sync: WebGLSync, flags: GLbitfield, timeout: GLuint64 ): GLenum compressedTexImage3D( target: GLenum, level: GLint, internalformat: GLenum, width: GLsizei, height: GLsizei, depth: GLsizei, border: GLint, imageSize: GLsizei, offset: GLintptr ): void compressedTexImage3D( target: GLenum, level: GLint, internalformat: GLenum, width: GLsizei, height: GLsizei, depth: GLsizei, border: GLint, srcData: ArrayBufferView, srcOffset?: GLuint, srcLengthOverride?: GLuint ): void compressedTexSubImage3D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, zoffset: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, format: GLenum, imageSize: GLsizei, offset: GLintptr ): void compressedTexSubImage3D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, zoffset: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, format: GLenum, srcData: ArrayBufferView, srcOffset?: GLuint, srcLengthOverride?: GLuint ): void copyBufferSubData( readTarget: GLenum, writeTarget: GLenum, readOffset: GLintptr, writeOffset: GLintptr, size: GLsizeiptr ): void copyTexSubImage3D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, zoffset: GLint, x: GLint, y: GLint, width: GLsizei, height: GLsizei ): void createQuery(): WebGLQuery | null createSampler(): WebGLSampler | null createTransformFeedback(): WebGLTransformFeedback | null createVertexArray(): WebGLVertexArrayObject | null deleteQuery(query: WebGLQuery | null): void deleteSampler(sampler: WebGLSampler | null): void deleteSync(sync: WebGLSync | null): void deleteTransformFeedback(tf: WebGLTransformFeedback | null): void deleteVertexArray(vertexArray: WebGLVertexArrayObject | null): void drawArraysInstanced( mode: GLenum, first: GLint, count: GLsizei, instanceCount: GLsizei ): void drawBuffers(buffers: GLenum[]): void drawElementsInstanced( mode: GLenum, count: GLsizei, type: GLenum, offset: GLintptr, instanceCount: GLsizei ): void drawRangeElements( mode: GLenum, start: GLuint, end: GLuint, count: GLsizei, type: GLenum, offset: GLintptr ): void endQuery(target: GLenum): void endTransformFeedback(): void fenceSync(condition: GLenum, flags: GLbitfield): WebGLSync | null framebufferTextureLayer( target: GLenum, attachment: GLenum, texture: WebGLTexture | null, level: GLint, layer: GLint ): void getActiveUniformBlockName( program: WebGLProgram, uniformBlockIndex: GLuint ): string | null getActiveUniformBlockParameter( program: WebGLProgram, uniformBlockIndex: GLuint, pname: GLenum ): any getActiveUniforms( program: WebGLProgram, uniformIndices: GLuint[], pname: GLenum ): any getBufferSubData( target: GLenum, srcByteOffset: GLintptr, dstBuffer: ArrayBufferView, dstOffset?: GLuint, length?: GLuint ): void getFragDataLocation(program: WebGLProgram, name: string): GLint getIndexedParameter(target: GLenum, index: GLuint): any getInternalformatParameter( target: GLenum, internalformat: GLenum, pname: GLenum ): any getQuery(target: GLenum, pname: GLenum): WebGLQuery | null getQueryParameter(query: WebGLQuery, pname: GLenum): any getSamplerParameter(sampler: WebGLSampler, pname: GLenum): any getSyncParameter(sync: WebGLSync, pname: GLenum): any getTransformFeedbackVarying( program: WebGLProgram, index: GLuint ): WebGLActiveInfo | null getUniformBlockIndex( program: WebGLProgram, uniformBlockName: string ): GLuint getUniformIndices( program: WebGLProgram, uniformNames: string[] ): GLuint[] | null invalidateFramebuffer(target: GLenum, attachments: GLenum[]): void invalidateSubFramebuffer( target: GLenum, attachments: GLenum[], x: GLint, y: GLint, width: GLsizei, height: GLsizei ): void isQuery(query: WebGLQuery | null): GLboolean isSampler(sampler: WebGLSampler | null): GLboolean isSync(sync: WebGLSync | null): GLboolean isTransformFeedback(tf: WebGLTransformFeedback | null): GLboolean isVertexArray(vertexArray: WebGLVertexArrayObject | null): GLboolean pauseTransformFeedback(): void readBuffer(src: GLenum): void renderbufferStorageMultisample( target: GLenum, samples: GLsizei, internalformat: GLenum, width: GLsizei, height: GLsizei ): void resumeTransformFeedback(): void samplerParameterf( sampler: WebGLSampler, pname: GLenum, param: GLfloat ): void samplerParameteri( sampler: WebGLSampler, pname: GLenum, param: GLint ): void texImage3D( target: GLenum, level: GLint, internalformat: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, border: GLint, format: GLenum, type: GLenum, pboOffset: GLintptr ): void texImage3D( target: GLenum, level: GLint, internalformat: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, border: GLint, format: GLenum, type: GLenum, source: TexImageSource ): void texImage3D( target: GLenum, level: GLint, internalformat: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, border: GLint, format: GLenum, type: GLenum, srcData: ArrayBufferView | null ): void texImage3D( target: GLenum, level: GLint, internalformat: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, border: GLint, format: GLenum, type: GLenum, srcData: ArrayBufferView, srcOffset: GLuint ): void texStorage2D( target: GLenum, levels: GLsizei, internalformat: GLenum, width: GLsizei, height: GLsizei ): void texStorage3D( target: GLenum, levels: GLsizei, internalformat: GLenum, width: GLsizei, height: GLsizei, depth: GLsizei ): void texSubImage3D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, zoffset: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, format: GLenum, type: GLenum, pboOffset: GLintptr ): void texSubImage3D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, zoffset: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, format: GLenum, type: GLenum, source: TexImageSource ): void texSubImage3D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, zoffset: GLint, width: GLsizei, height: GLsizei, depth: GLsizei, format: GLenum, type: GLenum, srcData: ArrayBufferView | null, srcOffset?: GLuint ): void transformFeedbackVaryings( program: WebGLProgram, varyings: string[], bufferMode: GLenum ): void uniform1ui(location: WebGLUniformLocation | null, v0: GLuint): void uniform1uiv( location: WebGLUniformLocation | null, data: Uint32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniform2ui( location: WebGLUniformLocation | null, v0: GLuint, v1: GLuint ): void uniform2uiv( location: WebGLUniformLocation | null, data: Uint32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniform3ui( location: WebGLUniformLocation | null, v0: GLuint, v1: GLuint, v2: GLuint ): void uniform3uiv( location: WebGLUniformLocation | null, data: Uint32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniform4ui( location: WebGLUniformLocation | null, v0: GLuint, v1: GLuint, v2: GLuint, v3: GLuint ): void uniform4uiv( location: WebGLUniformLocation | null, data: Uint32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniformBlockBinding( program: WebGLProgram, uniformBlockIndex: GLuint, uniformBlockBinding: GLuint ): void uniformMatrix2x3fv( location: WebGLUniformLocation | null, transpose: GLboolean, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniformMatrix2x4fv( location: WebGLUniformLocation | null, transpose: GLboolean, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniformMatrix3x2fv( location: WebGLUniformLocation | null, transpose: GLboolean, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniformMatrix3x4fv( location: WebGLUniformLocation | null, transpose: GLboolean, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniformMatrix4x2fv( location: WebGLUniformLocation | null, transpose: GLboolean, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniformMatrix4x3fv( location: WebGLUniformLocation | null, transpose: GLboolean, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void vertexAttribDivisor(index: GLuint, divisor: GLuint): void vertexAttribI4i( index: GLuint, x: GLint, y: GLint, z: GLint, w: GLint ): void vertexAttribI4iv(index: GLuint, values: Int32List): void vertexAttribI4ui( index: GLuint, x: GLuint, y: GLuint, z: GLuint, w: GLuint ): void vertexAttribI4uiv(index: GLuint, values: Uint32List): void vertexAttribIPointer( index: GLuint, size: GLint, type: GLenum, stride: GLsizei, offset: GLintptr ): void waitSync(sync: WebGLSync, flags: GLbitfield, timeout: GLint64): void readonly ACTIVE_UNIFORM_BLOCKS: GLenum readonly ALREADY_SIGNALED: GLenum readonly ANY_SAMPLES_PASSED: GLenum readonly ANY_SAMPLES_PASSED_CONSERVATIVE: GLenum readonly COLOR: GLenum readonly COLOR_ATTACHMENT1: GLenum readonly COLOR_ATTACHMENT10: GLenum readonly COLOR_ATTACHMENT11: GLenum readonly COLOR_ATTACHMENT12: GLenum readonly COLOR_ATTACHMENT13: GLenum readonly COLOR_ATTACHMENT14: GLenum readonly COLOR_ATTACHMENT15: GLenum readonly COLOR_ATTACHMENT2: GLenum readonly COLOR_ATTACHMENT3: GLenum readonly COLOR_ATTACHMENT4: GLenum readonly COLOR_ATTACHMENT5: GLenum readonly COLOR_ATTACHMENT6: GLenum readonly COLOR_ATTACHMENT7: GLenum readonly COLOR_ATTACHMENT8: GLenum readonly COLOR_ATTACHMENT9: GLenum readonly COMPARE_REF_TO_TEXTURE: GLenum readonly CONDITION_SATISFIED: GLenum readonly COPY_READ_BUFFER: GLenum readonly COPY_READ_BUFFER_BINDING: GLenum readonly COPY_WRITE_BUFFER: GLenum readonly COPY_WRITE_BUFFER_BINDING: GLenum readonly CURRENT_QUERY: GLenum readonly DEPTH: GLenum readonly DEPTH24_STENCIL8: GLenum readonly DEPTH32F_STENCIL8: GLenum readonly DEPTH_COMPONENT24: GLenum readonly DEPTH_COMPONENT32F: GLenum readonly DRAW_BUFFER0: GLenum readonly DRAW_BUFFER1: GLenum readonly DRAW_BUFFER10: GLenum readonly DRAW_BUFFER11: GLenum readonly DRAW_BUFFER12: GLenum readonly DRAW_BUFFER13: GLenum readonly DRAW_BUFFER14: GLenum readonly DRAW_BUFFER15: GLenum readonly DRAW_BUFFER2: GLenum readonly DRAW_BUFFER3: GLenum readonly DRAW_BUFFER4: GLenum readonly DRAW_BUFFER5: GLenum readonly DRAW_BUFFER6: GLenum readonly DRAW_BUFFER7: GLenum readonly DRAW_BUFFER8: GLenum readonly DRAW_BUFFER9: GLenum readonly DRAW_FRAMEBUFFER: GLenum readonly DRAW_FRAMEBUFFER_BINDING: GLenum readonly DYNAMIC_COPY: GLenum readonly DYNAMIC_READ: GLenum readonly FLOAT_32_UNSIGNED_INT_24_8_REV: GLenum readonly FLOAT_MAT2x3: GLenum readonly FLOAT_MAT2x4: GLenum readonly FLOAT_MAT3x2: GLenum readonly FLOAT_MAT3x4: GLenum readonly FLOAT_MAT4x2: GLenum readonly FLOAT_MAT4x3: GLenum readonly FRAGMENT_SHADER_DERIVATIVE_HINT: GLenum readonly FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE: GLenum readonly FRAMEBUFFER_ATTACHMENT_BLUE_SIZE: GLenum readonly FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING: GLenum readonly FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE: GLenum readonly FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE: GLenum readonly FRAMEBUFFER_ATTACHMENT_GREEN_SIZE: GLenum readonly FRAMEBUFFER_ATTACHMENT_RED_SIZE: GLenum readonly FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE: GLenum readonly FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER: GLenum readonly FRAMEBUFFER_DEFAULT: GLenum readonly FRAMEBUFFER_INCOMPLETE_MULTISAMPLE: GLenum readonly HALF_FLOAT: GLenum readonly INTERLEAVED_ATTRIBS: GLenum readonly INT_2_10_10_10_REV: GLenum readonly INT_SAMPLER_2D: GLenum readonly INT_SAMPLER_2D_ARRAY: GLenum readonly INT_SAMPLER_3D: GLenum readonly INT_SAMPLER_CUBE: GLenum readonly INVALID_INDEX: GLenum readonly MAX: GLenum readonly MAX_3D_TEXTURE_SIZE: GLenum readonly MAX_ARRAY_TEXTURE_LAYERS: GLenum readonly MAX_CLIENT_WAIT_TIMEOUT_WEBGL: GLenum readonly MAX_COLOR_ATTACHMENTS: GLenum readonly MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS: GLenum readonly MAX_COMBINED_UNIFORM_BLOCKS: GLenum readonly MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS: GLenum readonly MAX_DRAW_BUFFERS: GLenum readonly MAX_ELEMENTS_INDICES: GLenum readonly MAX_ELEMENTS_VERTICES: GLenum readonly MAX_ELEMENT_INDEX: GLenum readonly MAX_FRAGMENT_INPUT_COMPONENTS: GLenum readonly MAX_FRAGMENT_UNIFORM_BLOCKS: GLenum readonly MAX_FRAGMENT_UNIFORM_COMPONENTS: GLenum readonly MAX_PROGRAM_TEXEL_OFFSET: GLenum readonly MAX_SAMPLES: GLenum readonly MAX_SERVER_WAIT_TIMEOUT: GLenum readonly MAX_TEXTURE_LOD_BIAS: GLenum readonly MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS: GLenum readonly MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS: GLenum readonly MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS: GLenum readonly MAX_UNIFORM_BLOCK_SIZE: GLenum readonly MAX_UNIFORM_BUFFER_BINDINGS: GLenum readonly MAX_VARYING_COMPONENTS: GLenum readonly MAX_VERTEX_OUTPUT_COMPONENTS: GLenum readonly MAX_VERTEX_UNIFORM_BLOCKS: GLenum readonly MAX_VERTEX_UNIFORM_COMPONENTS: GLenum readonly MIN: GLenum readonly MIN_PROGRAM_TEXEL_OFFSET: GLenum readonly OBJECT_TYPE: GLenum readonly PACK_ROW_LENGTH: GLenum readonly PACK_SKIP_PIXELS: GLenum readonly PACK_SKIP_ROWS: GLenum readonly PIXEL_PACK_BUFFER: GLenum readonly PIXEL_PACK_BUFFER_BINDING: GLenum readonly PIXEL_UNPACK_BUFFER: GLenum readonly PIXEL_UNPACK_BUFFER_BINDING: GLenum readonly QUERY_RESULT: GLenum readonly QUERY_RESULT_AVAILABLE: GLenum readonly R11F_G11F_B10F: GLenum readonly R16F: GLenum readonly R16I: GLenum readonly R16UI: GLenum readonly R32F: GLenum readonly R32I: GLenum readonly R32UI: GLenum readonly R8: GLenum readonly R8I: GLenum readonly R8UI: GLenum readonly R8_SNORM: GLenum readonly RASTERIZER_DISCARD: GLenum readonly READ_BUFFER: GLenum readonly READ_FRAMEBUFFER: GLenum readonly READ_FRAMEBUFFER_BINDING: GLenum readonly RED: GLenum readonly RED_INTEGER: GLenum readonly RENDERBUFFER_SAMPLES: GLenum readonly RG: GLenum readonly RG16F: GLenum readonly RG16I: GLenum readonly RG16UI: GLenum readonly RG32F: GLenum readonly RG32I: GLenum readonly RG32UI: GLenum readonly RG8: GLenum readonly RG8I: GLenum readonly RG8UI: GLenum readonly RG8_SNORM: GLenum readonly RGB10_A2: GLenum readonly RGB10_A2UI: GLenum readonly RGB16F: GLenum readonly RGB16I: GLenum readonly RGB16UI: GLenum readonly RGB32F: GLenum readonly RGB32I: GLenum readonly RGB32UI: GLenum readonly RGB8: GLenum readonly RGB8I: GLenum readonly RGB8UI: GLenum readonly RGB8_SNORM: GLenum readonly RGB9_E5: GLenum readonly RGBA16F: GLenum readonly RGBA16I: GLenum readonly RGBA16UI: GLenum readonly RGBA32F: GLenum readonly RGBA32I: GLenum readonly RGBA32UI: GLenum readonly RGBA8: GLenum readonly RGBA8I: GLenum readonly RGBA8UI: GLenum readonly RGBA8_SNORM: GLenum readonly RGBA_INTEGER: GLenum readonly RGB_INTEGER: GLenum readonly RG_INTEGER: GLenum readonly SAMPLER_2D_ARRAY: GLenum readonly SAMPLER_2D_ARRAY_SHADOW: GLenum readonly SAMPLER_2D_SHADOW: GLenum readonly SAMPLER_3D: GLenum readonly SAMPLER_BINDING: GLenum readonly SAMPLER_CUBE_SHADOW: GLenum readonly SEPARATE_ATTRIBS: GLenum readonly SIGNALED: GLenum readonly SIGNED_NORMALIZED: GLenum readonly SRGB: GLenum readonly SRGB8: GLenum readonly SRGB8_ALPHA8: GLenum readonly STATIC_COPY: GLenum readonly STATIC_READ: GLenum readonly STENCIL: GLenum readonly STREAM_COPY: GLenum readonly STREAM_READ: GLenum readonly SYNC_CONDITION: GLenum readonly SYNC_FENCE: GLenum readonly SYNC_FLAGS: GLenum readonly SYNC_FLUSH_COMMANDS_BIT: GLenum readonly SYNC_GPU_COMMANDS_COMPLETE: GLenum readonly SYNC_STATUS: GLenum readonly TEXTURE_2D_ARRAY: GLenum readonly TEXTURE_3D: GLenum readonly TEXTURE_BASE_LEVEL: GLenum readonly TEXTURE_BINDING_2D_ARRAY: GLenum readonly TEXTURE_BINDING_3D: GLenum readonly TEXTURE_COMPARE_FUNC: GLenum readonly TEXTURE_COMPARE_MODE: GLenum readonly TEXTURE_IMMUTABLE_FORMAT: GLenum readonly TEXTURE_IMMUTABLE_LEVELS: GLenum readonly TEXTURE_MAX_LEVEL: GLenum readonly TEXTURE_MAX_LOD: GLenum readonly TEXTURE_MIN_LOD: GLenum readonly TEXTURE_WRAP_R: GLenum readonly TIMEOUT_EXPIRED: GLenum readonly TIMEOUT_IGNORED: GLint64 readonly TRANSFORM_FEEDBACK: GLenum readonly TRANSFORM_FEEDBACK_ACTIVE: GLenum readonly TRANSFORM_FEEDBACK_BINDING: GLenum readonly TRANSFORM_FEEDBACK_BUFFER: GLenum readonly TRANSFORM_FEEDBACK_BUFFER_BINDING: GLenum readonly TRANSFORM_FEEDBACK_BUFFER_MODE: GLenum readonly TRANSFORM_FEEDBACK_BUFFER_SIZE: GLenum readonly TRANSFORM_FEEDBACK_BUFFER_START: GLenum readonly TRANSFORM_FEEDBACK_PAUSED: GLenum readonly TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN: GLenum readonly TRANSFORM_FEEDBACK_VARYINGS: GLenum readonly UNIFORM_ARRAY_STRIDE: GLenum readonly UNIFORM_BLOCK_ACTIVE_UNIFORMS: GLenum readonly UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES: GLenum readonly UNIFORM_BLOCK_BINDING: GLenum readonly UNIFORM_BLOCK_DATA_SIZE: GLenum readonly UNIFORM_BLOCK_INDEX: GLenum readonly UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER: GLenum readonly UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER: GLenum readonly UNIFORM_BUFFER: GLenum readonly UNIFORM_BUFFER_BINDING: GLenum readonly UNIFORM_BUFFER_OFFSET_ALIGNMENT: GLenum readonly UNIFORM_BUFFER_SIZE: GLenum readonly UNIFORM_BUFFER_START: GLenum readonly UNIFORM_IS_ROW_MAJOR: GLenum readonly UNIFORM_MATRIX_STRIDE: GLenum readonly UNIFORM_OFFSET: GLenum readonly UNIFORM_SIZE: GLenum readonly UNIFORM_TYPE: GLenum readonly UNPACK_IMAGE_HEIGHT: GLenum readonly UNPACK_ROW_LENGTH: GLenum readonly UNPACK_SKIP_IMAGES: GLenum readonly UNPACK_SKIP_PIXELS: GLenum readonly UNPACK_SKIP_ROWS: GLenum readonly UNSIGNALED: GLenum readonly UNSIGNED_INT_10F_11F_11F_REV: GLenum readonly UNSIGNED_INT_24_8: GLenum readonly UNSIGNED_INT_2_10_10_10_REV: GLenum readonly UNSIGNED_INT_5_9_9_9_REV: GLenum readonly UNSIGNED_INT_SAMPLER_2D: GLenum readonly UNSIGNED_INT_SAMPLER_2D_ARRAY: GLenum readonly UNSIGNED_INT_SAMPLER_3D: GLenum readonly UNSIGNED_INT_SAMPLER_CUBE: GLenum readonly UNSIGNED_INT_VEC2: GLenum readonly UNSIGNED_INT_VEC3: GLenum readonly UNSIGNED_INT_VEC4: GLenum readonly UNSIGNED_NORMALIZED: GLenum readonly VERTEX_ARRAY_BINDING: GLenum readonly VERTEX_ATTRIB_ARRAY_DIVISOR: GLenum readonly VERTEX_ATTRIB_ARRAY_INTEGER: GLenum readonly WAIT_FAILED: GLenum } interface WebGL2RenderingContextOverloads { bufferData(target: GLenum, size: GLsizeiptr, usage: GLenum): void bufferData( target: GLenum, srcData: BufferSource | null, usage: GLenum ): void bufferData( target: GLenum, srcData: ArrayBufferView, usage: GLenum, srcOffset: GLuint, length?: GLuint ): void bufferSubData( target: GLenum, dstByteOffset: GLintptr, srcData: BufferSource ): void bufferSubData( target: GLenum, dstByteOffset: GLintptr, srcData: ArrayBufferView, srcOffset: GLuint, length?: GLuint ): void compressedTexImage2D( target: GLenum, level: GLint, internalformat: GLenum, width: GLsizei, height: GLsizei, border: GLint, imageSize: GLsizei, offset: GLintptr ): void compressedTexImage2D( target: GLenum, level: GLint, internalformat: GLenum, width: GLsizei, height: GLsizei, border: GLint, srcData: ArrayBufferView, srcOffset?: GLuint, srcLengthOverride?: GLuint ): void compressedTexSubImage2D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, imageSize: GLsizei, offset: GLintptr ): void compressedTexSubImage2D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, srcData: ArrayBufferView, srcOffset?: GLuint, srcLengthOverride?: GLuint ): void readPixels( x: GLint, y: GLint, width: GLsizei, height: GLsizei, format: GLenum, type: GLenum, dstData: ArrayBufferView | null ): void readPixels( x: GLint, y: GLint, width: GLsizei, height: GLsizei, format: GLenum, type: GLenum, offset: GLintptr ): void readPixels( x: GLint, y: GLint, width: GLsizei, height: GLsizei, format: GLenum, type: GLenum, dstData: ArrayBufferView, dstOffset: GLuint ): void texImage2D( target: GLenum, level: GLint, internalformat: GLint, width: GLsizei, height: GLsizei, border: GLint, format: GLenum, type: GLenum, pixels: ArrayBufferView | null ): void texImage2D( target: GLenum, level: GLint, internalformat: GLint, format: GLenum, type: GLenum, source: TexImageSource ): void texImage2D( target: GLenum, level: GLint, internalformat: GLint, width: GLsizei, height: GLsizei, border: GLint, format: GLenum, type: GLenum, pboOffset: GLintptr ): void texImage2D( target: GLenum, level: GLint, internalformat: GLint, width: GLsizei, height: GLsizei, border: GLint, format: GLenum, type: GLenum, source: TexImageSource ): void texImage2D( target: GLenum, level: GLint, internalformat: GLint, width: GLsizei, height: GLsizei, border: GLint, format: GLenum, type: GLenum, srcData: ArrayBufferView, srcOffset: GLuint ): void texSubImage2D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, type: GLenum, pixels: ArrayBufferView | null ): void texSubImage2D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, format: GLenum, type: GLenum, source: TexImageSource ): void texSubImage2D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, type: GLenum, pboOffset: GLintptr ): void texSubImage2D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, type: GLenum, source: TexImageSource ): void texSubImage2D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, type: GLenum, srcData: ArrayBufferView, srcOffset: GLuint ): void uniform1fv( location: WebGLUniformLocation | null, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniform1iv( location: WebGLUniformLocation | null, data: Int32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniform2fv( location: WebGLUniformLocation | null, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniform2iv( location: WebGLUniformLocation | null, data: Int32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniform3fv( location: WebGLUniformLocation | null, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniform3iv( location: WebGLUniformLocation | null, data: Int32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniform4fv( location: WebGLUniformLocation | null, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniform4iv( location: WebGLUniformLocation | null, data: Int32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniformMatrix2fv( location: WebGLUniformLocation | null, transpose: GLboolean, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniformMatrix3fv( location: WebGLUniformLocation | null, transpose: GLboolean, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void uniformMatrix4fv( location: WebGLUniformLocation | null, transpose: GLboolean, data: Float32List, srcOffset?: GLuint, srcLength?: GLuint ): void } /** Part of the WebGL API and represents the information returned by calling the WebGLRenderingContext.getActiveAttrib() and WebGLRenderingContext.getActiveUniform() methods. */ interface WebGLActiveInfo { readonly name: string readonly size: GLint readonly type: GLenum } /** Part of the WebGL API and represents an opaque buffer object storing data such as vertices or colors. */ interface WebGLBuffer {} /** Part of the WebGL API and represents a collection of buffers that serve as a rendering destination. */ interface WebGLFramebuffer {} /** The WebGLProgram is part of the WebGL API and is a combination of two compiled WebGLShaders consisting of a vertex shader and a fragment shader (both written in GLSL). */ interface WebGLProgram {} interface WebGLQuery {} /** Part of the WebGL API and represents a buffer that can contain an image, or can be source or target of an rendering operation. */ interface WebGLRenderbuffer {} /** Provides an interface to the OpenGL ES 2.0 graphics rendering context for the drawing surface of an HTML element. */ interface WebGLRenderingContext extends WebGLRenderingContextBase, WebGLRenderingContextOverloads {} /** The ANGLE_instanced_arrays extension is part of the WebGL API and allows to draw the same object, or groups of similar objects multiple times, if they share the same vertex data, primitive count and type. */ interface ANGLE_instanced_arrays { drawArraysInstancedANGLE( mode: GLenum, first: GLint, count: GLsizei, primcount: GLsizei ): void drawElementsInstancedANGLE( mode: GLenum, count: GLsizei, type: GLenum, offset: GLintptr, primcount: GLsizei ): void vertexAttribDivisorANGLE(index: GLuint, divisor: GLuint): void readonly VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE: GLenum } interface EXT_blend_minmax { readonly MAX_EXT: GLenum readonly MIN_EXT: GLenum } interface EXT_color_buffer_float {} interface EXT_color_buffer_half_float { readonly FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE_EXT: GLenum readonly RGB16F_EXT: GLenum readonly RGBA16F_EXT: GLenum readonly UNSIGNED_NORMALIZED_EXT: GLenum } interface EXT_float_blend {} /** The EXT_frag_depth extension is part of the WebGL API and enables to set a depth value of a fragment from within the fragment shader. */ interface EXT_frag_depth {} interface EXT_sRGB { readonly FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT: GLenum readonly SRGB8_ALPHA8_EXT: GLenum readonly SRGB_ALPHA_EXT: GLenum readonly SRGB_EXT: GLenum } interface EXT_shader_texture_lod {} interface EXT_texture_compression_bptc { readonly COMPRESSED_RGBA_BPTC_UNORM_EXT: GLenum readonly COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT: GLenum readonly COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT: GLenum readonly COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT: GLenum } interface EXT_texture_compression_rgtc { readonly COMPRESSED_RED_GREEN_RGTC2_EXT: GLenum readonly COMPRESSED_RED_RGTC1_EXT: GLenum readonly COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT: GLenum readonly COMPRESSED_SIGNED_RED_RGTC1_EXT: GLenum } /** The EXT_texture_filter_anisotropic extension is part of the WebGL API and exposes two constants for anisotropic filtering (AF). */ interface EXT_texture_filter_anisotropic { readonly MAX_TEXTURE_MAX_ANISOTROPY_EXT: GLenum readonly TEXTURE_MAX_ANISOTROPY_EXT: GLenum } interface EXT_texture_norm16 { readonly R16_EXT: GLenum readonly R16_SNORM_EXT: GLenum readonly RG16_EXT: GLenum readonly RG16_SNORM_EXT: GLenum readonly RGB16_EXT: GLenum readonly RGB16_SNORM_EXT: GLenum readonly RGBA16_EXT: GLenum readonly RGBA16_SNORM_EXT: GLenum } interface KHR_parallel_shader_compile { readonly COMPLETION_STATUS_KHR: GLenum } interface OES_draw_buffers_indexed { blendEquationSeparateiOES( buf: GLuint, modeRGB: GLenum, modeAlpha: GLenum ): void blendEquationiOES(buf: GLuint, mode: GLenum): void blendFuncSeparateiOES( buf: GLuint, srcRGB: GLenum, dstRGB: GLenum, srcAlpha: GLenum, dstAlpha: GLenum ): void blendFunciOES(buf: GLuint, src: GLenum, dst: GLenum): void colorMaskiOES( buf: GLuint, r: GLboolean, g: GLboolean, b: GLboolean, a: GLboolean ): void disableiOES(target: GLenum, index: GLuint): void enableiOES(target: GLenum, index: GLuint): void } /** The OES_element_index_uint extension is part of the WebGL API and adds support for gl.UNSIGNED_INT types to WebGLRenderingContext.drawElements(). */ interface OES_element_index_uint {} interface OES_fbo_render_mipmap {} /** The OES_standard_derivatives extension is part of the WebGL API and adds the GLSL derivative functions dFdx, dFdy, and fwidth. */ interface OES_standard_derivatives { readonly FRAGMENT_SHADER_DERIVATIVE_HINT_OES: GLenum } /** The OES_texture_float extension is part of the WebGL API and exposes floating-point pixel types for textures. */ interface OES_texture_float {} /** The OES_texture_float_linear extension is part of the WebGL API and allows linear filtering with floating-point pixel types for textures. */ interface OES_texture_float_linear {} /** The OES_texture_half_float extension is part of the WebGL API and adds texture formats with 16- (aka half float) and 32-bit floating-point components. */ interface OES_texture_half_float { readonly HALF_FLOAT_OES: GLenum } /** The OES_texture_half_float_linear extension is part of the WebGL API and allows linear filtering with half floating-point pixel types for textures. */ interface OES_texture_half_float_linear {} interface OES_vertex_array_object { bindVertexArrayOES(arrayObject: WebGLVertexArrayObjectOES | null): void createVertexArrayOES(): WebGLVertexArrayObjectOES | null deleteVertexArrayOES( arrayObject: WebGLVertexArrayObjectOES | null ): void isVertexArrayOES( arrayObject: WebGLVertexArrayObjectOES | null ): GLboolean readonly VERTEX_ARRAY_BINDING_OES: GLenum } interface OVR_multiview2 { framebufferTextureMultiviewOVR( target: GLenum, attachment: GLenum, texture: WebGLTexture | null, level: GLint, baseViewIndex: GLint, numViews: GLsizei ): void readonly FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR: GLenum readonly FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR: GLenum readonly FRAMEBUFFER_INCOMPLETE_VIEW_TARGETS_OVR: GLenum readonly MAX_VIEWS_OVR: GLenum } type WebGLPowerPreference = 'default' | 'high-performance' | 'low-power' interface WebGLContextAttributes { alpha?: boolean antialias?: boolean depth?: boolean desynchronized?: boolean failIfMajorPerformanceCaveat?: boolean powerPreference?: WebGLPowerPreference premultipliedAlpha?: boolean preserveDrawingBuffer?: boolean stencil?: boolean } interface WebGLRenderingContextBase { readonly canvas: Canvas readonly drawingBufferHeight: GLsizei readonly drawingBufferWidth: GLsizei activeTexture(texture: GLenum): void attachShader(program: WebGLProgram, shader: WebGLShader): void bindAttribLocation( program: WebGLProgram, index: GLuint, name: string ): void bindBuffer(target: GLenum, buffer: WebGLBuffer | null): void bindFramebuffer( target: GLenum, framebuffer: WebGLFramebuffer | null ): void bindRenderbuffer( target: GLenum, renderbuffer: WebGLRenderbuffer | null ): void bindTexture(target: GLenum, texture: WebGLTexture | null): void blendColor( red: GLclampf, green: GLclampf, blue: GLclampf, alpha: GLclampf ): void blendEquation(mode: GLenum): void blendEquationSeparate(modeRGB: GLenum, modeAlpha: GLenum): void blendFunc(sfactor: GLenum, dfactor: GLenum): void blendFuncSeparate( srcRGB: GLenum, dstRGB: GLenum, srcAlpha: GLenum, dstAlpha: GLenum ): void checkFramebufferStatus(target: GLenum): GLenum clear(mask: GLbitfield): void clearColor( red: GLclampf, green: GLclampf, blue: GLclampf, alpha: GLclampf ): void clearDepth(depth: GLclampf): void clearStencil(s: GLint): void colorMask( red: GLboolean, green: GLboolean, blue: GLboolean, alpha: GLboolean ): void compileShader(shader: WebGLShader): void copyTexImage2D( target: GLenum, level: GLint, internalformat: GLenum, x: GLint, y: GLint, width: GLsizei, height: GLsizei, border: GLint ): void copyTexSubImage2D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, x: GLint, y: GLint, width: GLsizei, height: GLsizei ): void createBuffer(): WebGLBuffer | null createFramebuffer(): WebGLFramebuffer | null createProgram(): WebGLProgram | null createRenderbuffer(): WebGLRenderbuffer | null createShader(type: GLenum): WebGLShader | null createTexture(): WebGLTexture | null cullFace(mode: GLenum): void deleteBuffer(buffer: WebGLBuffer | null): void deleteFramebuffer(framebuffer: WebGLFramebuffer | null): void deleteProgram(program: WebGLProgram | null): void deleteRenderbuffer(renderbuffer: WebGLRenderbuffer | null): void deleteShader(shader: WebGLShader | null): void deleteTexture(texture: WebGLTexture | null): void depthFunc(func: GLenum): void depthMask(flag: GLboolean): void depthRange(zNear: GLclampf, zFar: GLclampf): void detachShader(program: WebGLProgram, shader: WebGLShader): void disable(cap: GLenum): void disableVertexAttribArray(index: GLuint): void drawArrays(mode: GLenum, first: GLint, count: GLsizei): void drawElements( mode: GLenum, count: GLsizei, type: GLenum, offset: GLintptr ): void enable(cap: GLenum): void enableVertexAttribArray(index: GLuint): void finish(): void flush(): void framebufferRenderbuffer( target: GLenum, attachment: GLenum, renderbuffertarget: GLenum, renderbuffer: WebGLRenderbuffer | null ): void framebufferTexture2D( target: GLenum, attachment: GLenum, textarget: GLenum, texture: WebGLTexture | null, level: GLint ): void frontFace(mode: GLenum): void generateMipmap(target: GLenum): void getActiveAttrib( program: WebGLProgram, index: GLuint ): WebGLActiveInfo | null getActiveUniform( program: WebGLProgram, index: GLuint ): WebGLActiveInfo | null getAttachedShaders(program: WebGLProgram): WebGLShader[] | null getAttribLocation(program: WebGLProgram, name: string): GLint getBufferParameter(target: GLenum, pname: GLenum): any getContextAttributes(): WebGLContextAttributes | null getError(): GLenum getExtension( extensionName: 'ANGLE_instanced_arrays' ): ANGLE_instanced_arrays | null getExtension(extensionName: 'EXT_blend_minmax'): EXT_blend_minmax | null getExtension( extensionName: 'EXT_color_buffer_float' ): EXT_color_buffer_float | null getExtension( extensionName: 'EXT_color_buffer_half_float' ): EXT_color_buffer_half_float | null getExtension(extensionName: 'EXT_float_blend'): EXT_float_blend | null getExtension(extensionName: 'EXT_frag_depth'): EXT_frag_depth | null getExtension(extensionName: 'EXT_sRGB'): EXT_sRGB | null getExtension( extensionName: 'EXT_shader_texture_lod' ): EXT_shader_texture_lod | null getExtension( extensionName: 'EXT_texture_compression_bptc' ): EXT_texture_compression_bptc | null getExtension( extensionName: 'EXT_texture_compression_rgtc' ): EXT_texture_compression_rgtc | null getExtension( extensionName: 'EXT_texture_filter_anisotropic' ): EXT_texture_filter_anisotropic | null getExtension( extensionName: 'KHR_parallel_shader_compile' ): KHR_parallel_shader_compile | null getExtension( extensionName: 'OES_element_index_uint' ): OES_element_index_uint | null getExtension( extensionName: 'OES_fbo_render_mipmap' ): OES_fbo_render_mipmap | null getExtension( extensionName: 'OES_standard_derivatives' ): OES_standard_derivatives | null getExtension( extensionName: 'OES_texture_float' ): OES_texture_float | null getExtension( extensionName: 'OES_texture_float_linear' ): OES_texture_float_linear | null getExtension( extensionName: 'OES_texture_half_float' ): OES_texture_half_float | null getExtension( extensionName: 'OES_texture_half_float_linear' ): OES_texture_half_float_linear | null getExtension( extensionName: 'OES_vertex_array_object' ): OES_vertex_array_object | null getExtension(extensionName: 'OVR_multiview2'): OVR_multiview2 | null getExtension( extensionName: 'WEBGL_color_buffer_float' ): WEBGL_color_buffer_float | null getExtension( extensionName: 'WEBGL_compressed_texture_astc' ): WEBGL_compressed_texture_astc | null getExtension( extensionName: 'WEBGL_compressed_texture_etc' ): WEBGL_compressed_texture_etc | null getExtension( extensionName: 'WEBGL_compressed_texture_etc1' ): WEBGL_compressed_texture_etc1 | null getExtension( extensionName: 'WEBGL_compressed_texture_s3tc' ): WEBGL_compressed_texture_s3tc | null getExtension( extensionName: 'WEBGL_compressed_texture_s3tc_srgb' ): WEBGL_compressed_texture_s3tc_srgb | null getExtension( extensionName: 'WEBGL_debug_renderer_info' ): WEBGL_debug_renderer_info | null getExtension( extensionName: 'WEBGL_debug_shaders' ): WEBGL_debug_shaders | null getExtension( extensionName: 'WEBGL_depth_texture' ): WEBGL_depth_texture | null getExtension( extensionName: 'WEBGL_draw_buffers' ): WEBGL_draw_buffers | null getExtension( extensionName: 'WEBGL_lose_context' ): WEBGL_lose_context | null getExtension(extensionName: 'WEBGL_multi_draw'): WEBGL_multi_draw | null getExtension(name: string): any getFramebufferAttachmentParameter( target: GLenum, attachment: GLenum, pname: GLenum ): any getParameter(pname: GLenum): any getProgramInfoLog(program: WebGLProgram): string | null getProgramParameter(program: WebGLProgram, pname: GLenum): any getRenderbufferParameter(target: GLenum, pname: GLenum): any getShaderInfoLog(shader: WebGLShader): string | null getShaderParameter(shader: WebGLShader, pname: GLenum): any getShaderPrecisionFormat( shadertype: GLenum, precisiontype: GLenum ): WebGLShaderPrecisionFormat | null getShaderSource(shader: WebGLShader): string | null getSupportedExtensions(): string[] | null getTexParameter(target: GLenum, pname: GLenum): any getUniform(program: WebGLProgram, location: WebGLUniformLocation): any getUniformLocation( program: WebGLProgram, name: string ): WebGLUniformLocation | null getVertexAttrib(index: GLuint, pname: GLenum): any getVertexAttribOffset(index: GLuint, pname: GLenum): GLintptr hint(target: GLenum, mode: GLenum): void isBuffer(buffer: WebGLBuffer | null): GLboolean isContextLost(): boolean isEnabled(cap: GLenum): GLboolean isFramebuffer(framebuffer: WebGLFramebuffer | null): GLboolean isProgram(program: WebGLProgram | null): GLboolean isRenderbuffer(renderbuffer: WebGLRenderbuffer | null): GLboolean isShader(shader: WebGLShader | null): GLboolean isTexture(texture: WebGLTexture | null): GLboolean lineWidth(width: GLfloat): void linkProgram(program: WebGLProgram): void pixelStorei(pname: GLenum, param: GLint | GLboolean): void polygonOffset(factor: GLfloat, units: GLfloat): void renderbufferStorage( target: GLenum, internalformat: GLenum, width: GLsizei, height: GLsizei ): void sampleCoverage(value: GLclampf, invert: GLboolean): void scissor(x: GLint, y: GLint, width: GLsizei, height: GLsizei): void shaderSource(shader: WebGLShader, source: string): void stencilFunc(func: GLenum, ref: GLint, mask: GLuint): void stencilFuncSeparate( face: GLenum, func: GLenum, ref: GLint, mask: GLuint ): void stencilMask(mask: GLuint): void stencilMaskSeparate(face: GLenum, mask: GLuint): void stencilOp(fail: GLenum, zfail: GLenum, zpass: GLenum): void stencilOpSeparate( face: GLenum, fail: GLenum, zfail: GLenum, zpass: GLenum ): void texParameterf(target: GLenum, pname: GLenum, param: GLfloat): void texParameteri(target: GLenum, pname: GLenum, param: GLint): void uniform1f(location: WebGLUniformLocation | null, x: GLfloat): void uniform1i(location: WebGLUniformLocation | null, x: GLint): void uniform2f( location: WebGLUniformLocation | null, x: GLfloat, y: GLfloat ): void uniform2i( location: WebGLUniformLocation | null, x: GLint, y: GLint ): void uniform3f( location: WebGLUniformLocation | null, x: GLfloat, y: GLfloat, z: GLfloat ): void uniform3i( location: WebGLUniformLocation | null, x: GLint, y: GLint, z: GLint ): void uniform4f( location: WebGLUniformLocation | null, x: GLfloat, y: GLfloat, z: GLfloat, w: GLfloat ): void uniform4i( location: WebGLUniformLocation | null, x: GLint, y: GLint, z: GLint, w: GLint ): void useProgram(program: WebGLProgram | null): void validateProgram(program: WebGLProgram): void vertexAttrib1f(index: GLuint, x: GLfloat): void vertexAttrib1fv(index: GLuint, values: Float32List): void vertexAttrib2f(index: GLuint, x: GLfloat, y: GLfloat): void vertexAttrib2fv(index: GLuint, values: Float32List): void vertexAttrib3f(index: GLuint, x: GLfloat, y: GLfloat, z: GLfloat): void vertexAttrib3fv(index: GLuint, values: Float32List): void vertexAttrib4f( index: GLuint, x: GLfloat, y: GLfloat, z: GLfloat, w: GLfloat ): void vertexAttrib4fv(index: GLuint, values: Float32List): void vertexAttribPointer( index: GLuint, size: GLint, type: GLenum, normalized: GLboolean, stride: GLsizei, offset: GLintptr ): void viewport(x: GLint, y: GLint, width: GLsizei, height: GLsizei): void readonly ACTIVE_ATTRIBUTES: GLenum readonly ACTIVE_TEXTURE: GLenum readonly ACTIVE_UNIFORMS: GLenum readonly ALIASED_LINE_WIDTH_RANGE: GLenum readonly ALIASED_POINT_SIZE_RANGE: GLenum readonly ALPHA: GLenum readonly ALPHA_BITS: GLenum readonly ALWAYS: GLenum readonly ARRAY_BUFFER: GLenum readonly ARRAY_BUFFER_BINDING: GLenum readonly ATTACHED_SHADERS: GLenum readonly BACK: GLenum readonly BLEND: GLenum readonly BLEND_COLOR: GLenum readonly BLEND_DST_ALPHA: GLenum readonly BLEND_DST_RGB: GLenum readonly BLEND_EQUATION: GLenum readonly BLEND_EQUATION_ALPHA: GLenum readonly BLEND_EQUATION_RGB: GLenum readonly BLEND_SRC_ALPHA: GLenum readonly BLEND_SRC_RGB: GLenum readonly BLUE_BITS: GLenum readonly BOOL: GLenum readonly BOOL_VEC2: GLenum readonly BOOL_VEC3: GLenum readonly BOOL_VEC4: GLenum readonly BROWSER_DEFAULT_WEBGL: GLenum readonly BUFFER_SIZE: GLenum readonly BUFFER_USAGE: GLenum readonly BYTE: GLenum readonly CCW: GLenum readonly CLAMP_TO_EDGE: GLenum readonly COLOR_ATTACHMENT0: GLenum readonly COLOR_BUFFER_BIT: GLenum readonly COLOR_CLEAR_VALUE: GLenum readonly COLOR_WRITEMASK: GLenum readonly COMPILE_STATUS: GLenum readonly COMPRESSED_TEXTURE_FORMATS: GLenum readonly CONSTANT_ALPHA: GLenum readonly CONSTANT_COLOR: GLenum readonly CONTEXT_LOST_WEBGL: GLenum readonly CULL_FACE: GLenum readonly CULL_FACE_MODE: GLenum readonly CURRENT_PROGRAM: GLenum readonly CURRENT_VERTEX_ATTRIB: GLenum readonly CW: GLenum readonly DECR: GLenum readonly DECR_WRAP: GLenum readonly DELETE_STATUS: GLenum readonly DEPTH_ATTACHMENT: GLenum readonly DEPTH_BITS: GLenum readonly DEPTH_BUFFER_BIT: GLenum readonly DEPTH_CLEAR_VALUE: GLenum readonly DEPTH_COMPONENT: GLenum readonly DEPTH_COMPONENT16: GLenum readonly DEPTH_FUNC: GLenum readonly DEPTH_RANGE: GLenum readonly DEPTH_STENCIL: GLenum readonly DEPTH_STENCIL_ATTACHMENT: GLenum readonly DEPTH_TEST: GLenum readonly DEPTH_WRITEMASK: GLenum readonly DITHER: GLenum readonly DONT_CARE: GLenum readonly DST_ALPHA: GLenum readonly DST_COLOR: GLenum readonly DYNAMIC_DRAW: GLenum readonly ELEMENT_ARRAY_BUFFER: GLenum readonly ELEMENT_ARRAY_BUFFER_BINDING: GLenum readonly EQUAL: GLenum readonly FASTEST: GLenum readonly FLOAT: GLenum readonly FLOAT_MAT2: GLenum readonly FLOAT_MAT3: GLenum readonly FLOAT_MAT4: GLenum readonly FLOAT_VEC2: GLenum readonly FLOAT_VEC3: GLenum readonly FLOAT_VEC4: GLenum readonly FRAGMENT_SHADER: GLenum readonly FRAMEBUFFER: GLenum readonly FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: GLenum readonly FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: GLenum readonly FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: GLenum readonly FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: GLenum readonly FRAMEBUFFER_BINDING: GLenum readonly FRAMEBUFFER_COMPLETE: GLenum readonly FRAMEBUFFER_INCOMPLETE_ATTACHMENT: GLenum readonly FRAMEBUFFER_INCOMPLETE_DIMENSIONS: GLenum readonly FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: GLenum readonly FRAMEBUFFER_UNSUPPORTED: GLenum readonly FRONT: GLenum readonly FRONT_AND_BACK: GLenum readonly FRONT_FACE: GLenum readonly FUNC_ADD: GLenum readonly FUNC_REVERSE_SUBTRACT: GLenum readonly FUNC_SUBTRACT: GLenum readonly GENERATE_MIPMAP_HINT: GLenum readonly GEQUAL: GLenum readonly GREATER: GLenum readonly GREEN_BITS: GLenum readonly HIGH_FLOAT: GLenum readonly HIGH_INT: GLenum readonly IMPLEMENTATION_COLOR_READ_FORMAT: GLenum readonly IMPLEMENTATION_COLOR_READ_TYPE: GLenum readonly INCR: GLenum readonly INCR_WRAP: GLenum readonly INT: GLenum readonly INT_VEC2: GLenum readonly INT_VEC3: GLenum readonly INT_VEC4: GLenum readonly INVALID_ENUM: GLenum readonly INVALID_FRAMEBUFFER_OPERATION: GLenum readonly INVALID_OPERATION: GLenum readonly INVALID_VALUE: GLenum readonly INVERT: GLenum readonly KEEP: GLenum readonly LEQUAL: GLenum readonly LESS: GLenum readonly LINEAR: GLenum readonly LINEAR_MIPMAP_LINEAR: GLenum readonly LINEAR_MIPMAP_NEAREST: GLenum readonly LINES: GLenum readonly LINE_LOOP: GLenum readonly LINE_STRIP: GLenum readonly LINE_WIDTH: GLenum readonly LINK_STATUS: GLenum readonly LOW_FLOAT: GLenum readonly LOW_INT: GLenum readonly LUMINANCE: GLenum readonly LUMINANCE_ALPHA: GLenum readonly MAX_COMBINED_TEXTURE_IMAGE_UNITS: GLenum readonly MAX_CUBE_MAP_TEXTURE_SIZE: GLenum readonly MAX_FRAGMENT_UNIFORM_VECTORS: GLenum readonly MAX_RENDERBUFFER_SIZE: GLenum readonly MAX_TEXTURE_IMAGE_UNITS: GLenum readonly MAX_TEXTURE_SIZE: GLenum readonly MAX_VARYING_VECTORS: GLenum readonly MAX_VERTEX_ATTRIBS: GLenum readonly MAX_VERTEX_TEXTURE_IMAGE_UNITS: GLenum readonly MAX_VERTEX_UNIFORM_VECTORS: GLenum readonly MAX_VIEWPORT_DIMS: GLenum readonly MEDIUM_FLOAT: GLenum readonly MEDIUM_INT: GLenum readonly MIRRORED_REPEAT: GLenum readonly NEAREST: GLenum readonly NEAREST_MIPMAP_LINEAR: GLenum readonly NEAREST_MIPMAP_NEAREST: GLenum readonly NEVER: GLenum readonly NICEST: GLenum readonly NONE: GLenum readonly NOTEQUAL: GLenum readonly NO_ERROR: GLenum readonly ONE: GLenum readonly ONE_MINUS_CONSTANT_ALPHA: GLenum readonly ONE_MINUS_CONSTANT_COLOR: GLenum readonly ONE_MINUS_DST_ALPHA: GLenum readonly ONE_MINUS_DST_COLOR: GLenum readonly ONE_MINUS_SRC_ALPHA: GLenum readonly ONE_MINUS_SRC_COLOR: GLenum readonly OUT_OF_MEMORY: GLenum readonly PACK_ALIGNMENT: GLenum readonly POINTS: GLenum readonly POLYGON_OFFSET_FACTOR: GLenum readonly POLYGON_OFFSET_FILL: GLenum readonly POLYGON_OFFSET_UNITS: GLenum readonly RED_BITS: GLenum readonly RENDERBUFFER: GLenum readonly RENDERBUFFER_ALPHA_SIZE: GLenum readonly RENDERBUFFER_BINDING: GLenum readonly RENDERBUFFER_BLUE_SIZE: GLenum readonly RENDERBUFFER_DEPTH_SIZE: GLenum readonly RENDERBUFFER_GREEN_SIZE: GLenum readonly RENDERBUFFER_HEIGHT: GLenum readonly RENDERBUFFER_INTERNAL_FORMAT: GLenum readonly RENDERBUFFER_RED_SIZE: GLenum readonly RENDERBUFFER_STENCIL_SIZE: GLenum readonly RENDERBUFFER_WIDTH: GLenum readonly RENDERER: GLenum readonly REPEAT: GLenum readonly REPLACE: GLenum readonly RGB: GLenum readonly RGB565: GLenum readonly RGB5_A1: GLenum readonly RGBA: GLenum readonly RGBA4: GLenum readonly SAMPLER_2D: GLenum readonly SAMPLER_CUBE: GLenum readonly SAMPLES: GLenum readonly SAMPLE_ALPHA_TO_COVERAGE: GLenum readonly SAMPLE_BUFFERS: GLenum readonly SAMPLE_COVERAGE: GLenum readonly SAMPLE_COVERAGE_INVERT: GLenum readonly SAMPLE_COVERAGE_VALUE: GLenum readonly SCISSOR_BOX: GLenum readonly SCISSOR_TEST: GLenum readonly SHADER_TYPE: GLenum readonly SHADING_LANGUAGE_VERSION: GLenum readonly SHORT: GLenum readonly SRC_ALPHA: GLenum readonly SRC_ALPHA_SATURATE: GLenum readonly SRC_COLOR: GLenum readonly STATIC_DRAW: GLenum readonly STENCIL_ATTACHMENT: GLenum readonly STENCIL_BACK_FAIL: GLenum readonly STENCIL_BACK_FUNC: GLenum readonly STENCIL_BACK_PASS_DEPTH_FAIL: GLenum readonly STENCIL_BACK_PASS_DEPTH_PASS: GLenum readonly STENCIL_BACK_REF: GLenum readonly STENCIL_BACK_VALUE_MASK: GLenum readonly STENCIL_BACK_WRITEMASK: GLenum readonly STENCIL_BITS: GLenum readonly STENCIL_BUFFER_BIT: GLenum readonly STENCIL_CLEAR_VALUE: GLenum readonly STENCIL_FAIL: GLenum readonly STENCIL_FUNC: GLenum readonly STENCIL_INDEX8: GLenum readonly STENCIL_PASS_DEPTH_FAIL: GLenum readonly STENCIL_PASS_DEPTH_PASS: GLenum readonly STENCIL_REF: GLenum readonly STENCIL_TEST: GLenum readonly STENCIL_VALUE_MASK: GLenum readonly STENCIL_WRITEMASK: GLenum readonly STREAM_DRAW: GLenum readonly SUBPIXEL_BITS: GLenum readonly TEXTURE: GLenum readonly TEXTURE0: GLenum readonly TEXTURE1: GLenum readonly TEXTURE10: GLenum readonly TEXTURE11: GLenum readonly TEXTURE12: GLenum readonly TEXTURE13: GLenum readonly TEXTURE14: GLenum readonly TEXTURE15: GLenum readonly TEXTURE16: GLenum readonly TEXTURE17: GLenum readonly TEXTURE18: GLenum readonly TEXTURE19: GLenum readonly TEXTURE2: GLenum readonly TEXTURE20: GLenum readonly TEXTURE21: GLenum readonly TEXTURE22: GLenum readonly TEXTURE23: GLenum readonly TEXTURE24: GLenum readonly TEXTURE25: GLenum readonly TEXTURE26: GLenum readonly TEXTURE27: GLenum readonly TEXTURE28: GLenum readonly TEXTURE29: GLenum readonly TEXTURE3: GLenum readonly TEXTURE30: GLenum readonly TEXTURE31: GLenum readonly TEXTURE4: GLenum readonly TEXTURE5: GLenum readonly TEXTURE6: GLenum readonly TEXTURE7: GLenum readonly TEXTURE8: GLenum readonly TEXTURE9: GLenum readonly TEXTURE_2D: GLenum readonly TEXTURE_BINDING_2D: GLenum readonly TEXTURE_BINDING_CUBE_MAP: GLenum readonly TEXTURE_CUBE_MAP: GLenum readonly TEXTURE_CUBE_MAP_NEGATIVE_X: GLenum readonly TEXTURE_CUBE_MAP_NEGATIVE_Y: GLenum readonly TEXTURE_CUBE_MAP_NEGATIVE_Z: GLenum readonly TEXTURE_CUBE_MAP_POSITIVE_X: GLenum readonly TEXTURE_CUBE_MAP_POSITIVE_Y: GLenum readonly TEXTURE_CUBE_MAP_POSITIVE_Z: GLenum readonly TEXTURE_MAG_FILTER: GLenum readonly TEXTURE_MIN_FILTER: GLenum readonly TEXTURE_WRAP_S: GLenum readonly TEXTURE_WRAP_T: GLenum readonly TRIANGLES: GLenum readonly TRIANGLE_FAN: GLenum readonly TRIANGLE_STRIP: GLenum readonly UNPACK_ALIGNMENT: GLenum readonly UNPACK_COLORSPACE_CONVERSION_WEBGL: GLenum readonly UNPACK_FLIP_Y_WEBGL: GLenum readonly UNPACK_PREMULTIPLY_ALPHA_WEBGL: GLenum readonly UNSIGNED_BYTE: GLenum readonly UNSIGNED_INT: GLenum readonly UNSIGNED_SHORT: GLenum readonly UNSIGNED_SHORT_4_4_4_4: GLenum readonly UNSIGNED_SHORT_5_5_5_1: GLenum readonly UNSIGNED_SHORT_5_6_5: GLenum readonly VALIDATE_STATUS: GLenum readonly VENDOR: GLenum readonly VERSION: GLenum readonly VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: GLenum readonly VERTEX_ATTRIB_ARRAY_ENABLED: GLenum readonly VERTEX_ATTRIB_ARRAY_NORMALIZED: GLenum readonly VERTEX_ATTRIB_ARRAY_POINTER: GLenum readonly VERTEX_ATTRIB_ARRAY_SIZE: GLenum readonly VERTEX_ATTRIB_ARRAY_STRIDE: GLenum readonly VERTEX_ATTRIB_ARRAY_TYPE: GLenum readonly VERTEX_SHADER: GLenum readonly VIEWPORT: GLenum readonly ZERO: GLenum } type BufferSource = ArrayBufferView | ArrayBuffer type Float32List = Float32Array | GLfloat[] type TexImageSource = | Image | ImageData | Canvas | OffscreenCanvas | VideoContext interface WebGLRenderingContextOverloads { bufferData(target: GLenum, size: GLsizeiptr, usage: GLenum): void bufferData( target: GLenum, data: BufferSource | null, usage: GLenum ): void bufferSubData( target: GLenum, offset: GLintptr, data: BufferSource ): void compressedTexImage2D( target: GLenum, level: GLint, internalformat: GLenum, width: GLsizei, height: GLsizei, border: GLint, data: ArrayBufferView ): void compressedTexSubImage2D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, data: ArrayBufferView ): void readPixels( x: GLint, y: GLint, width: GLsizei, height: GLsizei, format: GLenum, type: GLenum, pixels: ArrayBufferView | null ): void texImage2D( target: GLenum, level: GLint, internalformat: GLint, width: GLsizei, height: GLsizei, border: GLint, format: GLenum, type: GLenum, pixels: ArrayBufferView | null ): void texImage2D( target: GLenum, level: GLint, internalformat: GLint, format: GLenum, type: GLenum, source: TexImageSource ): void texSubImage2D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, type: GLenum, pixels: ArrayBufferView | null ): void texSubImage2D( target: GLenum, level: GLint, xoffset: GLint, yoffset: GLint, format: GLenum, type: GLenum, source: TexImageSource ): void uniform1fv(location: WebGLUniformLocation | null, v: Float32List): void uniform1iv(location: WebGLUniformLocation | null, v: Int32List): void uniform2fv(location: WebGLUniformLocation | null, v: Float32List): void uniform2iv(location: WebGLUniformLocation | null, v: Int32List): void uniform3fv(location: WebGLUniformLocation | null, v: Float32List): void uniform3iv(location: WebGLUniformLocation | null, v: Int32List): void uniform4fv(location: WebGLUniformLocation | null, v: Float32List): void uniform4iv(location: WebGLUniformLocation | null, v: Int32List): void uniformMatrix2fv( location: WebGLUniformLocation | null, transpose: GLboolean, value: Float32List ): void uniformMatrix3fv( location: WebGLUniformLocation | null, transpose: GLboolean, value: Float32List ): void uniformMatrix4fv( location: WebGLUniformLocation | null, transpose: GLboolean, value: Float32List ): void } interface WebGLSampler {} /** The WebGLShader is part of the WebGL API and can either be a vertex or a fragment shader. A WebGLProgram requires both types of shaders. */ interface WebGLShader {} /** Part of the WebGL API and represents the information returned by calling the WebGLRenderingContext.getShaderPrecisionFormat() method. */ interface WebGLShaderPrecisionFormat { readonly precision: GLint readonly rangeMax: GLint readonly rangeMin: GLint } interface WebGLSync {} /** Part of the WebGL API and represents an opaque texture object providing storage and state for texturing operations. */ interface WebGLTexture {} interface WebGLTransformFeedback {} /** Part of the WebGL API and represents the location of a uniform variable in a shader program. */ interface WebGLUniformLocation {} interface WebGLVertexArrayObject {} interface WebGLVertexArrayObjectOES {} }