Luxar Viewer API Documentation - v2026.9.22
    Preparing search index...

    Class MockWebGLRenderingContext

    Mock WebGL2RenderingContext

    Provides all necessary WebGL methods for testing Three.js code without requiring actual GPU/WebGL support.

    Index
    constructor
    canvas getExtension getParameter getShaderPrecisionFormat getContextAttributes createProgram createShader shaderSource compileShader attachShader linkProgram getProgramParameter getShaderParameter useProgram deleteProgram deleteShader createBuffer bindBuffer bufferData deleteBuffer createTexture bindTexture texImage2D texParameteri deleteTexture createFramebuffer bindFramebuffer createRenderbuffer bindRenderbuffer renderbufferStorage framebufferTexture2D framebufferRenderbuffer checkFramebufferStatus getUniformLocation getAttribLocation uniform1f uniform2f uniform3f uniform4f uniform1i uniformMatrix4fv enableVertexAttribArray disableVertexAttribArray vertexAttribPointer clear clearColor viewport scissor drawArrays drawElements enable disable blendFunc depthFunc drawingBufferWidth drawingBufferHeight VERTEX_SHADER FRAGMENT_SHADER ARRAY_BUFFER ELEMENT_ARRAY_BUFFER STATIC_DRAW FLOAT TEXTURE_2D RGBA UNSIGNED_BYTE BLEND DEPTH_TEST
    canvas: {
        width: number;
        height: number;
        style: {};
        addEventListener: Mock<Procedure>;
        removeEventListener: Mock<Procedure>;
        getBoundingClientRect: () => {
            left: number;
            top: number;
            width: number;
            height: number;
        };
    } = ...
    getExtension: Mock<
        (
            name: string,
        ) =>
            | {
                UNMASKED_VENDOR_WEBGL?: undefined;
                UNMASKED_RENDERER_WEBGL?: undefined;
            }
            | { UNMASKED_VENDOR_WEBGL: number; UNMASKED_RENDERER_WEBGL: number }
            | null,
    > = ...
    getParameter: Mock<
        (
            param: number,
        ) =>
            | 1024
            | "WebGL 2.0 (OpenGL ES 3.0)"
            | "Mock Vendor"
            | "WebGL 2.0"
            | "Mock Renderer"
            | "WebGL GLSL ES 3.00",
    > = ...
    getShaderPrecisionFormat: Mock<
        () => { rangeMin: number; rangeMax: number; precision: number },
    > = ...
    getContextAttributes: Mock<
        () => {
            alpha: boolean;
            antialias: boolean;
            depth: boolean;
            premultipliedAlpha: boolean;
            preserveDrawingBuffer: boolean;
            stencil: boolean;
        },
    > = ...
    createProgram: Mock<() => {}> = ...
    createShader: Mock<() => {}> = ...
    shaderSource: Mock<Procedure> = ...
    compileShader: Mock<Procedure> = ...
    attachShader: Mock<Procedure> = ...
    linkProgram: Mock<Procedure> = ...
    getProgramParameter: Mock<() => boolean> = ...
    getShaderParameter: Mock<() => boolean> = ...
    useProgram: Mock<Procedure> = ...
    deleteProgram: Mock<Procedure> = ...
    deleteShader: Mock<Procedure> = ...
    createBuffer: Mock<() => {}> = ...
    bindBuffer: Mock<Procedure> = ...
    bufferData: Mock<Procedure> = ...
    deleteBuffer: Mock<Procedure> = ...
    createTexture: Mock<() => {}> = ...
    bindTexture: Mock<Procedure> = ...
    texImage2D: Mock<Procedure> = ...
    texParameteri: Mock<Procedure> = ...
    deleteTexture: Mock<Procedure> = ...
    createFramebuffer: Mock<() => {}> = ...
    bindFramebuffer: Mock<Procedure> = ...
    createRenderbuffer: Mock<() => {}> = ...
    bindRenderbuffer: Mock<Procedure> = ...
    renderbufferStorage: Mock<Procedure> = ...
    framebufferTexture2D: Mock<Procedure> = ...
    framebufferRenderbuffer: Mock<Procedure> = ...
    checkFramebufferStatus: Mock<() => number> = ...
    getUniformLocation: Mock<() => {}> = ...
    getAttribLocation: Mock<() => number> = ...
    uniform1f: Mock<Procedure> = ...
    uniform2f: Mock<Procedure> = ...
    uniform3f: Mock<Procedure> = ...
    uniform4f: Mock<Procedure> = ...
    uniform1i: Mock<Procedure> = ...
    uniformMatrix4fv: Mock<Procedure> = ...
    enableVertexAttribArray: Mock<Procedure> = ...
    disableVertexAttribArray: Mock<Procedure> = ...
    vertexAttribPointer: Mock<Procedure> = ...
    clear: Mock<Procedure> = ...
    clearColor: Mock<Procedure> = ...
    viewport: Mock<Procedure> = ...
    scissor: Mock<Procedure> = ...
    drawArrays: Mock<Procedure> = ...
    drawElements: Mock<Procedure> = ...
    enable: Mock<Procedure> = ...
    disable: Mock<Procedure> = ...
    blendFunc: Mock<Procedure> = ...
    depthFunc: Mock<Procedure> = ...
    drawingBufferWidth: number = 800
    drawingBufferHeight: number = 600
    VERTEX_SHADER: number = 35633
    FRAGMENT_SHADER: number = 35632
    ARRAY_BUFFER: number = 34962
    ELEMENT_ARRAY_BUFFER: number = 34963
    STATIC_DRAW: number = 35044
    FLOAT: number = 5126
    TEXTURE_2D: number = 3553
    RGBA: number = 6408
    UNSIGNED_BYTE: number = 5121
    BLEND: number = 3042
    DEPTH_TEST: number = 2929

    Settings
    Member Visibility

    On This Page
    Constructors
    Properties
    canvasgetExtensiongetParametergetShaderPrecisionFormatgetContextAttributescreateProgramcreateShadershaderSourcecompileShaderattachShaderlinkProgramgetProgramParametergetShaderParameteruseProgramdeleteProgramdeleteShadercreateBufferbindBufferbufferDatadeleteBuffercreateTexturebindTexturetexImage2DtexParameterideleteTexturecreateFramebufferbindFramebuffercreateRenderbufferbindRenderbufferrenderbufferStorageframebufferTexture2DframebufferRenderbuffercheckFramebufferStatusgetUniformLocationgetAttribLocationuniform1funiform2funiform3funiform4funiform1iuniformMatrix4fvenableVertexAttribArraydisableVertexAttribArrayvertexAttribPointerclearclearColorviewportscissordrawArraysdrawElementsenabledisableblendFuncdepthFuncdrawingBufferWidthdrawingBufferHeightVERTEX_SHADERFRAGMENT_SHADERARRAY_BUFFERELEMENT_ARRAY_BUFFERSTATIC_DRAWFLOATTEXTURE_2DRGBAUNSIGNED_BYTEBLENDDEPTH_TEST