gameforge - v0.1.12
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    Interface IAdapter

    This interface describes all the DOM dependent calls that Pixi makes throughout its codebase. Implementations of this interface can be used to make sure Pixi will work in any environment, such as browser, Web Workers, and Node.js.

    PIXI

    interface IAdapter {
        createCanvas: (width?: number, height?: number) => ICanvas;
        fetch: (url: RequestInfo, options?: RequestInit) => Promise<Response>;
        getBaseUrl: () => string;
        getCanvasRenderingContext2D: () => { prototype: ICanvasRenderingContext2D };
        getFontFaceSet: () => null | FontFaceSet;
        getNavigator: () => { userAgent: string };
        getWebGLRenderingContext: () => {
            ACTIVE_ATTRIBUTES: 35721;
            ACTIVE_TEXTURE: 34016;
            ACTIVE_UNIFORMS: 35718;
            ALIASED_LINE_WIDTH_RANGE: 33902;
            ALIASED_POINT_SIZE_RANGE: 33901;
            ALPHA: 6406;
            ALPHA_BITS: 3413;
            ALWAYS: 519;
            ARRAY_BUFFER: 34962;
            ARRAY_BUFFER_BINDING: 34964;
            ATTACHED_SHADERS: 35717;
            BACK: 1029;
            BLEND: 3042;
            BLEND_COLOR: 32773;
            BLEND_DST_ALPHA: 32970;
            BLEND_DST_RGB: 32968;
            BLEND_EQUATION: 32777;
            BLEND_EQUATION_ALPHA: 34877;
            BLEND_EQUATION_RGB: 32777;
            BLEND_SRC_ALPHA: 32971;
            BLEND_SRC_RGB: 32969;
            BLUE_BITS: 3412;
            BOOL: 35670;
            BOOL_VEC2: 35671;
            BOOL_VEC3: 35672;
            BOOL_VEC4: 35673;
            BROWSER_DEFAULT_WEBGL: 37444;
            BUFFER_SIZE: 34660;
            BUFFER_USAGE: 34661;
            BYTE: 5120;
            CCW: 2305;
            CLAMP_TO_EDGE: 33071;
            COLOR_ATTACHMENT0: 36064;
            COLOR_BUFFER_BIT: 16384;
            COLOR_CLEAR_VALUE: 3106;
            COLOR_WRITEMASK: 3107;
            COMPILE_STATUS: 35713;
            COMPRESSED_TEXTURE_FORMATS: 34467;
            CONSTANT_ALPHA: 32771;
            CONSTANT_COLOR: 32769;
            CONTEXT_LOST_WEBGL: 37442;
            CULL_FACE: 2884;
            CULL_FACE_MODE: 2885;
            CURRENT_PROGRAM: 35725;
            CURRENT_VERTEX_ATTRIB: 34342;
            CW: 2304;
            DECR: 7683;
            DECR_WRAP: 34056;
            DELETE_STATUS: 35712;
            DEPTH_ATTACHMENT: 36096;
            DEPTH_BITS: 3414;
            DEPTH_BUFFER_BIT: 256;
            DEPTH_CLEAR_VALUE: 2931;
            DEPTH_COMPONENT: 6402;
            DEPTH_COMPONENT16: 33189;
            DEPTH_FUNC: 2932;
            DEPTH_RANGE: 2928;
            DEPTH_STENCIL: 34041;
            DEPTH_STENCIL_ATTACHMENT: 33306;
            DEPTH_TEST: 2929;
            DEPTH_WRITEMASK: 2930;
            DITHER: 3024;
            DONT_CARE: 4352;
            DST_ALPHA: 772;
            DST_COLOR: 774;
            DYNAMIC_DRAW: 35048;
            ELEMENT_ARRAY_BUFFER: 34963;
            ELEMENT_ARRAY_BUFFER_BINDING: 34965;
            EQUAL: 514;
            FASTEST: 4353;
            FLOAT: 5126;
            FLOAT_MAT2: 35674;
            FLOAT_MAT3: 35675;
            FLOAT_MAT4: 35676;
            FLOAT_VEC2: 35664;
            FLOAT_VEC3: 35665;
            FLOAT_VEC4: 35666;
            FRAGMENT_SHADER: 35632;
            FRAMEBUFFER: 36160;
            FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: 36049;
            FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: 36048;
            FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: 36051;
            FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: 36050;
            FRAMEBUFFER_BINDING: 36006;
            FRAMEBUFFER_COMPLETE: 36053;
            FRAMEBUFFER_INCOMPLETE_ATTACHMENT: 36054;
            FRAMEBUFFER_INCOMPLETE_DIMENSIONS: 36057;
            FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: 36055;
            FRAMEBUFFER_UNSUPPORTED: 36061;
            FRONT: 1028;
            FRONT_AND_BACK: 1032;
            FRONT_FACE: 2886;
            FUNC_ADD: 32774;
            FUNC_REVERSE_SUBTRACT: 32779;
            FUNC_SUBTRACT: 32778;
            GENERATE_MIPMAP_HINT: 33170;
            GEQUAL: 518;
            GREATER: 516;
            GREEN_BITS: 3411;
            HIGH_FLOAT: 36338;
            HIGH_INT: 36341;
            IMPLEMENTATION_COLOR_READ_FORMAT: 35739;
            IMPLEMENTATION_COLOR_READ_TYPE: 35738;
            INCR: 7682;
            INCR_WRAP: 34055;
            INT: 5124;
            INT_VEC2: 35667;
            INT_VEC3: 35668;
            INT_VEC4: 35669;
            INVALID_ENUM: 1280;
            INVALID_FRAMEBUFFER_OPERATION: 1286;
            INVALID_OPERATION: 1282;
            INVALID_VALUE: 1281;
            INVERT: 5386;
            KEEP: 7680;
            LEQUAL: 515;
            LESS: 513;
            LINE_LOOP: 2;
            LINE_STRIP: 3;
            LINE_WIDTH: 2849;
            LINEAR: 9729;
            LINEAR_MIPMAP_LINEAR: 9987;
            LINEAR_MIPMAP_NEAREST: 9985;
            LINES: 1;
            LINK_STATUS: 35714;
            LOW_FLOAT: 36336;
            LOW_INT: 36339;
            LUMINANCE: 6409;
            LUMINANCE_ALPHA: 6410;
            MAX_COMBINED_TEXTURE_IMAGE_UNITS: 35661;
            MAX_CUBE_MAP_TEXTURE_SIZE: 34076;
            MAX_FRAGMENT_UNIFORM_VECTORS: 36349;
            MAX_RENDERBUFFER_SIZE: 34024;
            MAX_TEXTURE_IMAGE_UNITS: 34930;
            MAX_TEXTURE_SIZE: 3379;
            MAX_VARYING_VECTORS: 36348;
            MAX_VERTEX_ATTRIBS: 34921;
            MAX_VERTEX_TEXTURE_IMAGE_UNITS: 35660;
            MAX_VERTEX_UNIFORM_VECTORS: 36347;
            MAX_VIEWPORT_DIMS: 3386;
            MEDIUM_FLOAT: 36337;
            MEDIUM_INT: 36340;
            MIRRORED_REPEAT: 33648;
            NEAREST: 9728;
            NEAREST_MIPMAP_LINEAR: 9986;
            NEAREST_MIPMAP_NEAREST: 9984;
            NEVER: 512;
            NICEST: 4354;
            NO_ERROR: 0;
            NONE: 0;
            NOTEQUAL: 517;
            ONE: 1;
            ONE_MINUS_CONSTANT_ALPHA: 32772;
            ONE_MINUS_CONSTANT_COLOR: 32770;
            ONE_MINUS_DST_ALPHA: 773;
            ONE_MINUS_DST_COLOR: 775;
            ONE_MINUS_SRC_ALPHA: 771;
            ONE_MINUS_SRC_COLOR: 769;
            OUT_OF_MEMORY: 1285;
            PACK_ALIGNMENT: 3333;
            POINTS: 0;
            POLYGON_OFFSET_FACTOR: 32824;
            POLYGON_OFFSET_FILL: 32823;
            POLYGON_OFFSET_UNITS: 10752;
            prototype: WebGLRenderingContext;
            RED_BITS: 3410;
            RENDERBUFFER: 36161;
            RENDERBUFFER_ALPHA_SIZE: 36179;
            RENDERBUFFER_BINDING: 36007;
            RENDERBUFFER_BLUE_SIZE: 36178;
            RENDERBUFFER_DEPTH_SIZE: 36180;
            RENDERBUFFER_GREEN_SIZE: 36177;
            RENDERBUFFER_HEIGHT: 36163;
            RENDERBUFFER_INTERNAL_FORMAT: 36164;
            RENDERBUFFER_RED_SIZE: 36176;
            RENDERBUFFER_STENCIL_SIZE: 36181;
            RENDERBUFFER_WIDTH: 36162;
            RENDERER: 7937;
            REPEAT: 10497;
            REPLACE: 7681;
            RGB: 6407;
            RGB5_A1: 32855;
            RGB565: 36194;
            RGBA: 6408;
            RGBA4: 32854;
            RGBA8: 32856;
            SAMPLE_ALPHA_TO_COVERAGE: 32926;
            SAMPLE_BUFFERS: 32936;
            SAMPLE_COVERAGE: 32928;
            SAMPLE_COVERAGE_INVERT: 32939;
            SAMPLE_COVERAGE_VALUE: 32938;
            SAMPLER_2D: 35678;
            SAMPLER_CUBE: 35680;
            SAMPLES: 32937;
            SCISSOR_BOX: 3088;
            SCISSOR_TEST: 3089;
            SHADER_TYPE: 35663;
            SHADING_LANGUAGE_VERSION: 35724;
            SHORT: 5122;
            SRC_ALPHA: 770;
            SRC_ALPHA_SATURATE: 776;
            SRC_COLOR: 768;
            STATIC_DRAW: 35044;
            STENCIL_ATTACHMENT: 36128;
            STENCIL_BACK_FAIL: 34817;
            STENCIL_BACK_FUNC: 34816;
            STENCIL_BACK_PASS_DEPTH_FAIL: 34818;
            STENCIL_BACK_PASS_DEPTH_PASS: 34819;
            STENCIL_BACK_REF: 36003;
            STENCIL_BACK_VALUE_MASK: 36004;
            STENCIL_BACK_WRITEMASK: 36005;
            STENCIL_BITS: 3415;
            STENCIL_BUFFER_BIT: 1024;
            STENCIL_CLEAR_VALUE: 2961;
            STENCIL_FAIL: 2964;
            STENCIL_FUNC: 2962;
            STENCIL_INDEX8: 36168;
            STENCIL_PASS_DEPTH_FAIL: 2965;
            STENCIL_PASS_DEPTH_PASS: 2966;
            STENCIL_REF: 2967;
            STENCIL_TEST: 2960;
            STENCIL_VALUE_MASK: 2963;
            STENCIL_WRITEMASK: 2968;
            STREAM_DRAW: 35040;
            SUBPIXEL_BITS: 3408;
            TEXTURE: 5890;
            TEXTURE_2D: 3553;
            TEXTURE_BINDING_2D: 32873;
            TEXTURE_BINDING_CUBE_MAP: 34068;
            TEXTURE_CUBE_MAP: 34067;
            TEXTURE_CUBE_MAP_NEGATIVE_X: 34070;
            TEXTURE_CUBE_MAP_NEGATIVE_Y: 34072;
            TEXTURE_CUBE_MAP_NEGATIVE_Z: 34074;
            TEXTURE_CUBE_MAP_POSITIVE_X: 34069;
            TEXTURE_CUBE_MAP_POSITIVE_Y: 34071;
            TEXTURE_CUBE_MAP_POSITIVE_Z: 34073;
            TEXTURE_MAG_FILTER: 10240;
            TEXTURE_MIN_FILTER: 10241;
            TEXTURE_WRAP_S: 10242;
            TEXTURE_WRAP_T: 10243;
            TEXTURE0: 33984;
            TEXTURE1: 33985;
            TEXTURE10: 33994;
            TEXTURE11: 33995;
            TEXTURE12: 33996;
            TEXTURE13: 33997;
            TEXTURE14: 33998;
            TEXTURE15: 33999;
            TEXTURE16: 34000;
            TEXTURE17: 34001;
            TEXTURE18: 34002;
            TEXTURE19: 34003;
            TEXTURE2: 33986;
            TEXTURE20: 34004;
            TEXTURE21: 34005;
            TEXTURE22: 34006;
            TEXTURE23: 34007;
            TEXTURE24: 34008;
            TEXTURE25: 34009;
            TEXTURE26: 34010;
            TEXTURE27: 34011;
            TEXTURE28: 34012;
            TEXTURE29: 34013;
            TEXTURE3: 33987;
            TEXTURE30: 34014;
            TEXTURE31: 34015;
            TEXTURE4: 33988;
            TEXTURE5: 33989;
            TEXTURE6: 33990;
            TEXTURE7: 33991;
            TEXTURE8: 33992;
            TEXTURE9: 33993;
            TRIANGLE_FAN: 6;
            TRIANGLE_STRIP: 5;
            TRIANGLES: 4;
            UNPACK_ALIGNMENT: 3317;
            UNPACK_COLORSPACE_CONVERSION_WEBGL: 37443;
            UNPACK_FLIP_Y_WEBGL: 37440;
            UNPACK_PREMULTIPLY_ALPHA_WEBGL: 37441;
            UNSIGNED_BYTE: 5121;
            UNSIGNED_INT: 5125;
            UNSIGNED_SHORT: 5123;
            UNSIGNED_SHORT_4_4_4_4: 32819;
            UNSIGNED_SHORT_5_5_5_1: 32820;
            UNSIGNED_SHORT_5_6_5: 33635;
            VALIDATE_STATUS: 35715;
            VENDOR: 7936;
            VERSION: 7938;
            VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: 34975;
            VERTEX_ATTRIB_ARRAY_ENABLED: 34338;
            VERTEX_ATTRIB_ARRAY_NORMALIZED: 34922;
            VERTEX_ATTRIB_ARRAY_POINTER: 34373;
            VERTEX_ATTRIB_ARRAY_SIZE: 34339;
            VERTEX_ATTRIB_ARRAY_STRIDE: 34340;
            VERTEX_ATTRIB_ARRAY_TYPE: 34341;
            VERTEX_SHADER: 35633;
            VIEWPORT: 2978;
            ZERO: 0;
            new (): WebGLRenderingContext;
        };
        parseXML: (xml: string) => Document;
    }
    Index

    Properties

    createCanvas: (width?: number, height?: number) => ICanvas

    Returns a canvas object that can be used to create a webgl context.

    fetch: (url: RequestInfo, options?: RequestInit) => Promise<Response>
    getBaseUrl: () => string

    Returns the current base URL For browser environments this is either the document.baseURI or window.location.href

    getCanvasRenderingContext2D: () => { prototype: ICanvasRenderingContext2D }

    Returns a 2D rendering context.

    getFontFaceSet: () => null | FontFaceSet
    getNavigator: () => { userAgent: string }

    Returns a partial implementation of the browsers window.navigator

    getWebGLRenderingContext: () => {
        ACTIVE_ATTRIBUTES: 35721;
        ACTIVE_TEXTURE: 34016;
        ACTIVE_UNIFORMS: 35718;
        ALIASED_LINE_WIDTH_RANGE: 33902;
        ALIASED_POINT_SIZE_RANGE: 33901;
        ALPHA: 6406;
        ALPHA_BITS: 3413;
        ALWAYS: 519;
        ARRAY_BUFFER: 34962;
        ARRAY_BUFFER_BINDING: 34964;
        ATTACHED_SHADERS: 35717;
        BACK: 1029;
        BLEND: 3042;
        BLEND_COLOR: 32773;
        BLEND_DST_ALPHA: 32970;
        BLEND_DST_RGB: 32968;
        BLEND_EQUATION: 32777;
        BLEND_EQUATION_ALPHA: 34877;
        BLEND_EQUATION_RGB: 32777;
        BLEND_SRC_ALPHA: 32971;
        BLEND_SRC_RGB: 32969;
        BLUE_BITS: 3412;
        BOOL: 35670;
        BOOL_VEC2: 35671;
        BOOL_VEC3: 35672;
        BOOL_VEC4: 35673;
        BROWSER_DEFAULT_WEBGL: 37444;
        BUFFER_SIZE: 34660;
        BUFFER_USAGE: 34661;
        BYTE: 5120;
        CCW: 2305;
        CLAMP_TO_EDGE: 33071;
        COLOR_ATTACHMENT0: 36064;
        COLOR_BUFFER_BIT: 16384;
        COLOR_CLEAR_VALUE: 3106;
        COLOR_WRITEMASK: 3107;
        COMPILE_STATUS: 35713;
        COMPRESSED_TEXTURE_FORMATS: 34467;
        CONSTANT_ALPHA: 32771;
        CONSTANT_COLOR: 32769;
        CONTEXT_LOST_WEBGL: 37442;
        CULL_FACE: 2884;
        CULL_FACE_MODE: 2885;
        CURRENT_PROGRAM: 35725;
        CURRENT_VERTEX_ATTRIB: 34342;
        CW: 2304;
        DECR: 7683;
        DECR_WRAP: 34056;
        DELETE_STATUS: 35712;
        DEPTH_ATTACHMENT: 36096;
        DEPTH_BITS: 3414;
        DEPTH_BUFFER_BIT: 256;
        DEPTH_CLEAR_VALUE: 2931;
        DEPTH_COMPONENT: 6402;
        DEPTH_COMPONENT16: 33189;
        DEPTH_FUNC: 2932;
        DEPTH_RANGE: 2928;
        DEPTH_STENCIL: 34041;
        DEPTH_STENCIL_ATTACHMENT: 33306;
        DEPTH_TEST: 2929;
        DEPTH_WRITEMASK: 2930;
        DITHER: 3024;
        DONT_CARE: 4352;
        DST_ALPHA: 772;
        DST_COLOR: 774;
        DYNAMIC_DRAW: 35048;
        ELEMENT_ARRAY_BUFFER: 34963;
        ELEMENT_ARRAY_BUFFER_BINDING: 34965;
        EQUAL: 514;
        FASTEST: 4353;
        FLOAT: 5126;
        FLOAT_MAT2: 35674;
        FLOAT_MAT3: 35675;
        FLOAT_MAT4: 35676;
        FLOAT_VEC2: 35664;
        FLOAT_VEC3: 35665;
        FLOAT_VEC4: 35666;
        FRAGMENT_SHADER: 35632;
        FRAMEBUFFER: 36160;
        FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: 36049;
        FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: 36048;
        FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: 36051;
        FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: 36050;
        FRAMEBUFFER_BINDING: 36006;
        FRAMEBUFFER_COMPLETE: 36053;
        FRAMEBUFFER_INCOMPLETE_ATTACHMENT: 36054;
        FRAMEBUFFER_INCOMPLETE_DIMENSIONS: 36057;
        FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: 36055;
        FRAMEBUFFER_UNSUPPORTED: 36061;
        FRONT: 1028;
        FRONT_AND_BACK: 1032;
        FRONT_FACE: 2886;
        FUNC_ADD: 32774;
        FUNC_REVERSE_SUBTRACT: 32779;
        FUNC_SUBTRACT: 32778;
        GENERATE_MIPMAP_HINT: 33170;
        GEQUAL: 518;
        GREATER: 516;
        GREEN_BITS: 3411;
        HIGH_FLOAT: 36338;
        HIGH_INT: 36341;
        IMPLEMENTATION_COLOR_READ_FORMAT: 35739;
        IMPLEMENTATION_COLOR_READ_TYPE: 35738;
        INCR: 7682;
        INCR_WRAP: 34055;
        INT: 5124;
        INT_VEC2: 35667;
        INT_VEC3: 35668;
        INT_VEC4: 35669;
        INVALID_ENUM: 1280;
        INVALID_FRAMEBUFFER_OPERATION: 1286;
        INVALID_OPERATION: 1282;
        INVALID_VALUE: 1281;
        INVERT: 5386;
        KEEP: 7680;
        LEQUAL: 515;
        LESS: 513;
        LINE_LOOP: 2;
        LINE_STRIP: 3;
        LINE_WIDTH: 2849;
        LINEAR: 9729;
        LINEAR_MIPMAP_LINEAR: 9987;
        LINEAR_MIPMAP_NEAREST: 9985;
        LINES: 1;
        LINK_STATUS: 35714;
        LOW_FLOAT: 36336;
        LOW_INT: 36339;
        LUMINANCE: 6409;
        LUMINANCE_ALPHA: 6410;
        MAX_COMBINED_TEXTURE_IMAGE_UNITS: 35661;
        MAX_CUBE_MAP_TEXTURE_SIZE: 34076;
        MAX_FRAGMENT_UNIFORM_VECTORS: 36349;
        MAX_RENDERBUFFER_SIZE: 34024;
        MAX_TEXTURE_IMAGE_UNITS: 34930;
        MAX_TEXTURE_SIZE: 3379;
        MAX_VARYING_VECTORS: 36348;
        MAX_VERTEX_ATTRIBS: 34921;
        MAX_VERTEX_TEXTURE_IMAGE_UNITS: 35660;
        MAX_VERTEX_UNIFORM_VECTORS: 36347;
        MAX_VIEWPORT_DIMS: 3386;
        MEDIUM_FLOAT: 36337;
        MEDIUM_INT: 36340;
        MIRRORED_REPEAT: 33648;
        NEAREST: 9728;
        NEAREST_MIPMAP_LINEAR: 9986;
        NEAREST_MIPMAP_NEAREST: 9984;
        NEVER: 512;
        NICEST: 4354;
        NO_ERROR: 0;
        NONE: 0;
        NOTEQUAL: 517;
        ONE: 1;
        ONE_MINUS_CONSTANT_ALPHA: 32772;
        ONE_MINUS_CONSTANT_COLOR: 32770;
        ONE_MINUS_DST_ALPHA: 773;
        ONE_MINUS_DST_COLOR: 775;
        ONE_MINUS_SRC_ALPHA: 771;
        ONE_MINUS_SRC_COLOR: 769;
        OUT_OF_MEMORY: 1285;
        PACK_ALIGNMENT: 3333;
        POINTS: 0;
        POLYGON_OFFSET_FACTOR: 32824;
        POLYGON_OFFSET_FILL: 32823;
        POLYGON_OFFSET_UNITS: 10752;
        prototype: WebGLRenderingContext;
        RED_BITS: 3410;
        RENDERBUFFER: 36161;
        RENDERBUFFER_ALPHA_SIZE: 36179;
        RENDERBUFFER_BINDING: 36007;
        RENDERBUFFER_BLUE_SIZE: 36178;
        RENDERBUFFER_DEPTH_SIZE: 36180;
        RENDERBUFFER_GREEN_SIZE: 36177;
        RENDERBUFFER_HEIGHT: 36163;
        RENDERBUFFER_INTERNAL_FORMAT: 36164;
        RENDERBUFFER_RED_SIZE: 36176;
        RENDERBUFFER_STENCIL_SIZE: 36181;
        RENDERBUFFER_WIDTH: 36162;
        RENDERER: 7937;
        REPEAT: 10497;
        REPLACE: 7681;
        RGB: 6407;
        RGB5_A1: 32855;
        RGB565: 36194;
        RGBA: 6408;
        RGBA4: 32854;
        RGBA8: 32856;
        SAMPLE_ALPHA_TO_COVERAGE: 32926;
        SAMPLE_BUFFERS: 32936;
        SAMPLE_COVERAGE: 32928;
        SAMPLE_COVERAGE_INVERT: 32939;
        SAMPLE_COVERAGE_VALUE: 32938;
        SAMPLER_2D: 35678;
        SAMPLER_CUBE: 35680;
        SAMPLES: 32937;
        SCISSOR_BOX: 3088;
        SCISSOR_TEST: 3089;
        SHADER_TYPE: 35663;
        SHADING_LANGUAGE_VERSION: 35724;
        SHORT: 5122;
        SRC_ALPHA: 770;
        SRC_ALPHA_SATURATE: 776;
        SRC_COLOR: 768;
        STATIC_DRAW: 35044;
        STENCIL_ATTACHMENT: 36128;
        STENCIL_BACK_FAIL: 34817;
        STENCIL_BACK_FUNC: 34816;
        STENCIL_BACK_PASS_DEPTH_FAIL: 34818;
        STENCIL_BACK_PASS_DEPTH_PASS: 34819;
        STENCIL_BACK_REF: 36003;
        STENCIL_BACK_VALUE_MASK: 36004;
        STENCIL_BACK_WRITEMASK: 36005;
        STENCIL_BITS: 3415;
        STENCIL_BUFFER_BIT: 1024;
        STENCIL_CLEAR_VALUE: 2961;
        STENCIL_FAIL: 2964;
        STENCIL_FUNC: 2962;
        STENCIL_INDEX8: 36168;
        STENCIL_PASS_DEPTH_FAIL: 2965;
        STENCIL_PASS_DEPTH_PASS: 2966;
        STENCIL_REF: 2967;
        STENCIL_TEST: 2960;
        STENCIL_VALUE_MASK: 2963;
        STENCIL_WRITEMASK: 2968;
        STREAM_DRAW: 35040;
        SUBPIXEL_BITS: 3408;
        TEXTURE: 5890;
        TEXTURE_2D: 3553;
        TEXTURE_BINDING_2D: 32873;
        TEXTURE_BINDING_CUBE_MAP: 34068;
        TEXTURE_CUBE_MAP: 34067;
        TEXTURE_CUBE_MAP_NEGATIVE_X: 34070;
        TEXTURE_CUBE_MAP_NEGATIVE_Y: 34072;
        TEXTURE_CUBE_MAP_NEGATIVE_Z: 34074;
        TEXTURE_CUBE_MAP_POSITIVE_X: 34069;
        TEXTURE_CUBE_MAP_POSITIVE_Y: 34071;
        TEXTURE_CUBE_MAP_POSITIVE_Z: 34073;
        TEXTURE_MAG_FILTER: 10240;
        TEXTURE_MIN_FILTER: 10241;
        TEXTURE_WRAP_S: 10242;
        TEXTURE_WRAP_T: 10243;
        TEXTURE0: 33984;
        TEXTURE1: 33985;
        TEXTURE10: 33994;
        TEXTURE11: 33995;
        TEXTURE12: 33996;
        TEXTURE13: 33997;
        TEXTURE14: 33998;
        TEXTURE15: 33999;
        TEXTURE16: 34000;
        TEXTURE17: 34001;
        TEXTURE18: 34002;
        TEXTURE19: 34003;
        TEXTURE2: 33986;
        TEXTURE20: 34004;
        TEXTURE21: 34005;
        TEXTURE22: 34006;
        TEXTURE23: 34007;
        TEXTURE24: 34008;
        TEXTURE25: 34009;
        TEXTURE26: 34010;
        TEXTURE27: 34011;
        TEXTURE28: 34012;
        TEXTURE29: 34013;
        TEXTURE3: 33987;
        TEXTURE30: 34014;
        TEXTURE31: 34015;
        TEXTURE4: 33988;
        TEXTURE5: 33989;
        TEXTURE6: 33990;
        TEXTURE7: 33991;
        TEXTURE8: 33992;
        TEXTURE9: 33993;
        TRIANGLE_FAN: 6;
        TRIANGLE_STRIP: 5;
        TRIANGLES: 4;
        UNPACK_ALIGNMENT: 3317;
        UNPACK_COLORSPACE_CONVERSION_WEBGL: 37443;
        UNPACK_FLIP_Y_WEBGL: 37440;
        UNPACK_PREMULTIPLY_ALPHA_WEBGL: 37441;
        UNSIGNED_BYTE: 5121;
        UNSIGNED_INT: 5125;
        UNSIGNED_SHORT: 5123;
        UNSIGNED_SHORT_4_4_4_4: 32819;
        UNSIGNED_SHORT_5_5_5_1: 32820;
        UNSIGNED_SHORT_5_6_5: 33635;
        VALIDATE_STATUS: 35715;
        VENDOR: 7936;
        VERSION: 7938;
        VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: 34975;
        VERTEX_ATTRIB_ARRAY_ENABLED: 34338;
        VERTEX_ATTRIB_ARRAY_NORMALIZED: 34922;
        VERTEX_ATTRIB_ARRAY_POINTER: 34373;
        VERTEX_ATTRIB_ARRAY_SIZE: 34339;
        VERTEX_ATTRIB_ARRAY_STRIDE: 34340;
        VERTEX_ATTRIB_ARRAY_TYPE: 34341;
        VERTEX_SHADER: 35633;
        VIEWPORT: 2978;
        ZERO: 0;
        new (): WebGLRenderingContext;
    }

    Returns a WebGL rendering context.

    parseXML: (xml: string) => Document