--- title: "WebGL2RenderingContext | JavaScript maps SDK" description: "Documentation for MapTiler SDK" --- > For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL. # Variable WebGL2RenderingContext WebGL2RenderingContext: {     ACTIVE\_ATTRIBUTES: 35721;     ACTIVE\_TEXTURE: 34016;     ACTIVE\_UNIFORM\_BLOCKS: 35382;     ACTIVE\_UNIFORMS: 35718;     ALIASED\_LINE\_WIDTH\_RANGE: 33902;     ALIASED\_POINT\_SIZE\_RANGE: 33901;     ALPHA: 6406;     ALPHA\_BITS: 3413;     ALREADY\_SIGNALED: 37146;     ALWAYS: 519;     ANY\_SAMPLES\_PASSED: 35887;     ANY\_SAMPLES\_PASSED\_CONSERVATIVE: 36202;     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: 6144;     COLOR\_ATTACHMENT0: 36064;     COLOR\_ATTACHMENT1: 36065;     COLOR\_ATTACHMENT10: 36074;     COLOR\_ATTACHMENT11: 36075;     COLOR\_ATTACHMENT12: 36076;     COLOR\_ATTACHMENT13: 36077;     COLOR\_ATTACHMENT14: 36078;     COLOR\_ATTACHMENT15: 36079;     COLOR\_ATTACHMENT2: 36066;     COLOR\_ATTACHMENT3: 36067;     COLOR\_ATTACHMENT4: 36068;     COLOR\_ATTACHMENT5: 36069;     COLOR\_ATTACHMENT6: 36070;     COLOR\_ATTACHMENT7: 36071;     COLOR\_ATTACHMENT8: 36072;     COLOR\_ATTACHMENT9: 36073;     COLOR\_BUFFER\_BIT: 16384;     COLOR\_CLEAR\_VALUE: 3106;     COLOR\_WRITEMASK: 3107;     COMPARE\_REF\_TO\_TEXTURE: 34894;     COMPILE\_STATUS: 35713;     COMPRESSED\_TEXTURE\_FORMATS: 34467;     CONDITION\_SATISFIED: 37148;     CONSTANT\_ALPHA: 32771;     CONSTANT\_COLOR: 32769;     CONTEXT\_LOST\_WEBGL: 37442;     COPY\_READ\_BUFFER: 36662;     COPY\_READ\_BUFFER\_BINDING: 36662;     COPY\_WRITE\_BUFFER: 36663;     COPY\_WRITE\_BUFFER\_BINDING: 36663;     CULL\_FACE: 2884;     CULL\_FACE\_MODE: 2885;     CURRENT\_PROGRAM: 35725;     CURRENT\_QUERY: 34917;     CURRENT\_VERTEX\_ATTRIB: 34342;     CW: 2304;     DECR: 7683;     DECR\_WRAP: 34056;     DELETE\_STATUS: 35712;     DEPTH: 6145;     DEPTH\_ATTACHMENT: 36096;     DEPTH\_BITS: 3414;     DEPTH\_BUFFER\_BIT: 256;     DEPTH\_CLEAR\_VALUE: 2931;     DEPTH\_COMPONENT: 6402;     DEPTH\_COMPONENT16: 33189;     DEPTH\_COMPONENT24: 33190;     DEPTH\_COMPONENT32F: 36012;     DEPTH\_FUNC: 2932;     DEPTH\_RANGE: 2928;     DEPTH\_STENCIL: 34041;     DEPTH\_STENCIL\_ATTACHMENT: 33306;     DEPTH\_TEST: 2929;     DEPTH\_WRITEMASK: 2930;     DEPTH24\_STENCIL8: 35056;     DEPTH32F\_STENCIL8: 36013;     DITHER: 3024;     DONT\_CARE: 4352;     DRAW\_BUFFER0: 34853;     DRAW\_BUFFER1: 34854;     DRAW\_BUFFER10: 34863;     DRAW\_BUFFER11: 34864;     DRAW\_BUFFER12: 34865;     DRAW\_BUFFER13: 34866;     DRAW\_BUFFER14: 34867;     DRAW\_BUFFER15: 34868;     DRAW\_BUFFER2: 34855;     DRAW\_BUFFER3: 34856;     DRAW\_BUFFER4: 34857;     DRAW\_BUFFER5: 34858;     DRAW\_BUFFER6: 34859;     DRAW\_BUFFER7: 34860;     DRAW\_BUFFER8: 34861;     DRAW\_BUFFER9: 34862;     DRAW\_FRAMEBUFFER: 36009;     DRAW\_FRAMEBUFFER\_BINDING: 36006;     DST\_ALPHA: 772;     DST\_COLOR: 774;     DYNAMIC\_COPY: 35050;     DYNAMIC\_DRAW: 35048;     DYNAMIC\_READ: 35049;     ELEMENT\_ARRAY\_BUFFER: 34963;     ELEMENT\_ARRAY\_BUFFER\_BINDING: 34965;     EQUAL: 514;     FASTEST: 4353;     FLOAT: 5126;     FLOAT\_32\_UNSIGNED\_INT\_24\_8\_REV: 36269;     FLOAT\_MAT2: 35674;     FLOAT\_MAT2x3: 35685;     FLOAT\_MAT2x4: 35686;     FLOAT\_MAT3: 35675;     FLOAT\_MAT3x2: 35687;     FLOAT\_MAT3x4: 35688;     FLOAT\_MAT4: 35676;     FLOAT\_MAT4x2: 35689;     FLOAT\_MAT4x3: 35690;     FLOAT\_VEC2: 35664;     FLOAT\_VEC3: 35665;     FLOAT\_VEC4: 35666;     FRAGMENT\_SHADER: 35632;     FRAGMENT\_SHADER\_DERIVATIVE\_HINT: 35723;     FRAMEBUFFER: 36160;     FRAMEBUFFER\_ATTACHMENT\_ALPHA\_SIZE: 33301;     FRAMEBUFFER\_ATTACHMENT\_BLUE\_SIZE: 33300;     FRAMEBUFFER\_ATTACHMENT\_COLOR\_ENCODING: 33296;     FRAMEBUFFER\_ATTACHMENT\_COMPONENT\_TYPE: 33297;     FRAMEBUFFER\_ATTACHMENT\_DEPTH\_SIZE: 33302;     FRAMEBUFFER\_ATTACHMENT\_GREEN\_SIZE: 33299;     FRAMEBUFFER\_ATTACHMENT\_OBJECT\_NAME: 36049;     FRAMEBUFFER\_ATTACHMENT\_OBJECT\_TYPE: 36048;     FRAMEBUFFER\_ATTACHMENT\_RED\_SIZE: 33298;     FRAMEBUFFER\_ATTACHMENT\_STENCIL\_SIZE: 33303;     FRAMEBUFFER\_ATTACHMENT\_TEXTURE\_CUBE\_MAP\_FACE: 36051;     FRAMEBUFFER\_ATTACHMENT\_TEXTURE\_LAYER: 36052;     FRAMEBUFFER\_ATTACHMENT\_TEXTURE\_LEVEL: 36050;     FRAMEBUFFER\_BINDING: 36006;     FRAMEBUFFER\_COMPLETE: 36053;     FRAMEBUFFER\_DEFAULT: 33304;     FRAMEBUFFER\_INCOMPLETE\_ATTACHMENT: 36054;     FRAMEBUFFER\_INCOMPLETE\_DIMENSIONS: 36057;     FRAMEBUFFER\_INCOMPLETE\_MISSING\_ATTACHMENT: 36055;     FRAMEBUFFER\_INCOMPLETE\_MULTISAMPLE: 36182;     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;     HALF\_FLOAT: 5131;     HIGH\_FLOAT: 36338;     HIGH\_INT: 36341;     IMPLEMENTATION\_COLOR\_READ\_FORMAT: 35739;     IMPLEMENTATION\_COLOR\_READ\_TYPE: 35738;     INCR: 7682;     INCR\_WRAP: 34055;     INT: 5124;     INT\_2\_10\_10\_10\_REV: 36255;     INT\_SAMPLER\_2D: 36298;     INT\_SAMPLER\_2D\_ARRAY: 36303;     INT\_SAMPLER\_3D: 36299;     INT\_SAMPLER\_CUBE: 36300;     INT\_VEC2: 35667;     INT\_VEC3: 35668;     INT\_VEC4: 35669;     INTERLEAVED\_ATTRIBS: 35980;     INVALID\_ENUM: 1280;     INVALID\_FRAMEBUFFER\_OPERATION: 1286;     INVALID\_INDEX: 4294967295;     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: 32776;     MAX\_3D\_TEXTURE\_SIZE: 32883;     MAX\_ARRAY\_TEXTURE\_LAYERS: 35071;     MAX\_CLIENT\_WAIT\_TIMEOUT\_WEBGL: 37447;     MAX\_COLOR\_ATTACHMENTS: 36063;     MAX\_COMBINED\_FRAGMENT\_UNIFORM\_COMPONENTS: 35379;     MAX\_COMBINED\_TEXTURE\_IMAGE\_UNITS: 35661;     MAX\_COMBINED\_UNIFORM\_BLOCKS: 35374;     MAX\_COMBINED\_VERTEX\_UNIFORM\_COMPONENTS: 35377;     MAX\_CUBE\_MAP\_TEXTURE\_SIZE: 34076;     MAX\_DRAW\_BUFFERS: 34852;     MAX\_ELEMENT\_INDEX: 36203;     MAX\_ELEMENTS\_INDICES: 33001;     MAX\_ELEMENTS\_VERTICES: 33000;     MAX\_FRAGMENT\_INPUT\_COMPONENTS: 37157;     MAX\_FRAGMENT\_UNIFORM\_BLOCKS: 35373;     MAX\_FRAGMENT\_UNIFORM\_COMPONENTS: 35657;     MAX\_FRAGMENT\_UNIFORM\_VECTORS: 36349;     MAX\_PROGRAM\_TEXEL\_OFFSET: 35077;     MAX\_RENDERBUFFER\_SIZE: 34024;     MAX\_SAMPLES: 36183;     MAX\_SERVER\_WAIT\_TIMEOUT: 37137;     MAX\_TEXTURE\_IMAGE\_UNITS: 34930;     MAX\_TEXTURE\_LOD\_BIAS: 34045;     MAX\_TEXTURE\_SIZE: 3379;     MAX\_TRANSFORM\_FEEDBACK\_INTERLEAVED\_COMPONENTS: 35978;     MAX\_TRANSFORM\_FEEDBACK\_SEPARATE\_ATTRIBS: 35979;     MAX\_TRANSFORM\_FEEDBACK\_SEPARATE\_COMPONENTS: 35968;     MAX\_UNIFORM\_BLOCK\_SIZE: 35376;     MAX\_UNIFORM\_BUFFER\_BINDINGS: 35375;     MAX\_VARYING\_COMPONENTS: 35659;     MAX\_VARYING\_VECTORS: 36348;     MAX\_VERTEX\_ATTRIBS: 34921;     MAX\_VERTEX\_OUTPUT\_COMPONENTS: 37154;     MAX\_VERTEX\_TEXTURE\_IMAGE\_UNITS: 35660;     MAX\_VERTEX\_UNIFORM\_BLOCKS: 35371;     MAX\_VERTEX\_UNIFORM\_COMPONENTS: 35658;     MAX\_VERTEX\_UNIFORM\_VECTORS: 36347;     MAX\_VIEWPORT\_DIMS: 3386;     MEDIUM\_FLOAT: 36337;     MEDIUM\_INT: 36340;     MIN: 32775;     MIN\_PROGRAM\_TEXEL\_OFFSET: 35076;     MIRRORED\_REPEAT: 33648;     NEAREST: 9728;     NEAREST\_MIPMAP\_LINEAR: 9986;     NEAREST\_MIPMAP\_NEAREST: 9984;     NEVER: 512;     NICEST: 4354;     NO\_ERROR: 0;     NONE: 0;     NOTEQUAL: 517;     OBJECT\_TYPE: 37138;     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;     PACK\_ROW\_LENGTH: 3330;     PACK\_SKIP\_PIXELS: 3332;     PACK\_SKIP\_ROWS: 3331;     PIXEL\_PACK\_BUFFER: 35051;     PIXEL\_PACK\_BUFFER\_BINDING: 35053;     PIXEL\_UNPACK\_BUFFER: 35052;     PIXEL\_UNPACK\_BUFFER\_BINDING: 35055;     POINTS: 0;     POLYGON\_OFFSET\_FACTOR: 32824;     POLYGON\_OFFSET\_FILL: 32823;     POLYGON\_OFFSET\_UNITS: 10752;     prototype: [WebGL2RenderingContext](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGL2RenderingContext/);     QUERY\_RESULT: 34918;     QUERY\_RESULT\_AVAILABLE: 34919;     R11F\_G11F\_B10F: 35898;     R16F: 33325;     R16I: 33331;     R16UI: 33332;     R32F: 33326;     R32I: 33333;     R32UI: 33334;     R8: 33321;     R8\_SNORM: 36756;     R8I: 33329;     R8UI: 33330;     RASTERIZER\_DISCARD: 35977;     READ\_BUFFER: 3074;     READ\_FRAMEBUFFER: 36008;     READ\_FRAMEBUFFER\_BINDING: 36010;     RED: 6403;     RED\_BITS: 3410;     RED\_INTEGER: 36244;     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\_SAMPLES: 36011;     RENDERBUFFER\_STENCIL\_SIZE: 36181;     RENDERBUFFER\_WIDTH: 36162;     RENDERER: 7937;     REPEAT: 10497;     REPLACE: 7681;     RG: 33319;     RG\_INTEGER: 33320;     RG16F: 33327;     RG16I: 33337;     RG16UI: 33338;     RG32F: 33328;     RG32I: 33339;     RG32UI: 33340;     RG8: 33323;     RG8\_SNORM: 36757;     RG8I: 33335;     RG8UI: 33336;     RGB: 6407;     RGB\_INTEGER: 36248;     RGB10\_A2: 32857;     RGB10\_A2UI: 36975;     RGB16F: 34843;     RGB16I: 36233;     RGB16UI: 36215;     RGB32F: 34837;     RGB32I: 36227;     RGB32UI: 36209;     RGB5\_A1: 32855;     RGB565: 36194;     RGB8: 32849;     RGB8\_SNORM: 36758;     RGB8I: 36239;     RGB8UI: 36221;     RGB9\_E5: 35901;     RGBA: 6408;     RGBA\_INTEGER: 36249;     RGBA16F: 34842;     RGBA16I: 36232;     RGBA16UI: 36214;     RGBA32F: 34836;     RGBA32I: 36226;     RGBA32UI: 36208;     RGBA4: 32854;     RGBA8: 32856;     RGBA8\_SNORM: 36759;     RGBA8I: 36238;     RGBA8UI: 36220;     SAMPLE\_ALPHA\_TO\_COVERAGE: 32926;     SAMPLE\_BUFFERS: 32936;     SAMPLE\_COVERAGE: 32928;     SAMPLE\_COVERAGE\_INVERT: 32939;     SAMPLE\_COVERAGE\_VALUE: 32938;     SAMPLER\_2D: 35678;     SAMPLER\_2D\_ARRAY: 36289;     SAMPLER\_2D\_ARRAY\_SHADOW: 36292;     SAMPLER\_2D\_SHADOW: 35682;     SAMPLER\_3D: 35679;     SAMPLER\_BINDING: 35097;     SAMPLER\_CUBE: 35680;     SAMPLER\_CUBE\_SHADOW: 36293;     SAMPLES: 32937;     SCISSOR\_BOX: 3088;     SCISSOR\_TEST: 3089;     SEPARATE\_ATTRIBS: 35981;     SHADER\_TYPE: 35663;     SHADING\_LANGUAGE\_VERSION: 35724;     SHORT: 5122;     SIGNALED: 37145;     SIGNED\_NORMALIZED: 36764;     SRC\_ALPHA: 770;     SRC\_ALPHA\_SATURATE: 776;     SRC\_COLOR: 768;     SRGB: 35904;     SRGB8: 35905;     SRGB8\_ALPHA8: 35907;     STATIC\_COPY: 35046;     STATIC\_DRAW: 35044;     STATIC\_READ: 35045;     STENCIL: 6146;     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\_COPY: 35042;     STREAM\_DRAW: 35040;     STREAM\_READ: 35041;     SUBPIXEL\_BITS: 3408;     SYNC\_CONDITION: 37139;     SYNC\_FENCE: 37142;     SYNC\_FLAGS: 37141;     SYNC\_FLUSH\_COMMANDS\_BIT: 1;     SYNC\_GPU\_COMMANDS\_COMPLETE: 37143;     SYNC\_STATUS: 37140;     TEXTURE: 5890;     TEXTURE\_2D: 3553;     TEXTURE\_2D\_ARRAY: 35866;     TEXTURE\_3D: 32879;     TEXTURE\_BASE\_LEVEL: 33084;     TEXTURE\_BINDING\_2D: 32873;     TEXTURE\_BINDING\_2D\_ARRAY: 35869;     TEXTURE\_BINDING\_3D: 32874;     TEXTURE\_BINDING\_CUBE\_MAP: 34068;     TEXTURE\_COMPARE\_FUNC: 34893;     TEXTURE\_COMPARE\_MODE: 34892;     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\_IMMUTABLE\_FORMAT: 37167;     TEXTURE\_IMMUTABLE\_LEVELS: 33503;     TEXTURE\_MAG\_FILTER: 10240;     TEXTURE\_MAX\_LEVEL: 33085;     TEXTURE\_MAX\_LOD: 33083;     TEXTURE\_MIN\_FILTER: 10241;     TEXTURE\_MIN\_LOD: 33082;     TEXTURE\_WRAP\_R: 32882;     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;     TIMEOUT\_EXPIRED: 37147;     TIMEOUT\_IGNORED: \-1;     TRANSFORM\_FEEDBACK: 36386;     TRANSFORM\_FEEDBACK\_ACTIVE: 36388;     TRANSFORM\_FEEDBACK\_BINDING: 36389;     TRANSFORM\_FEEDBACK\_BUFFER: 35982;     TRANSFORM\_FEEDBACK\_BUFFER\_BINDING: 35983;     TRANSFORM\_FEEDBACK\_BUFFER\_MODE: 35967;     TRANSFORM\_FEEDBACK\_BUFFER\_SIZE: 35973;     TRANSFORM\_FEEDBACK\_BUFFER\_START: 35972;     TRANSFORM\_FEEDBACK\_PAUSED: 36387;     TRANSFORM\_FEEDBACK\_PRIMITIVES\_WRITTEN: 35976;     TRANSFORM\_FEEDBACK\_VARYINGS: 35971;     TRIANGLE\_FAN: 6;     TRIANGLE\_STRIP: 5;     TRIANGLES: 4;     UNIFORM\_ARRAY\_STRIDE: 35388;     UNIFORM\_BLOCK\_ACTIVE\_UNIFORM\_INDICES: 35395;     UNIFORM\_BLOCK\_ACTIVE\_UNIFORMS: 35394;     UNIFORM\_BLOCK\_BINDING: 35391;     UNIFORM\_BLOCK\_DATA\_SIZE: 35392;     UNIFORM\_BLOCK\_INDEX: 35386;     UNIFORM\_BLOCK\_REFERENCED\_BY\_FRAGMENT\_SHADER: 35398;     UNIFORM\_BLOCK\_REFERENCED\_BY\_VERTEX\_SHADER: 35396;     UNIFORM\_BUFFER: 35345;     UNIFORM\_BUFFER\_BINDING: 35368;     UNIFORM\_BUFFER\_OFFSET\_ALIGNMENT: 35380;     UNIFORM\_BUFFER\_SIZE: 35370;     UNIFORM\_BUFFER\_START: 35369;     UNIFORM\_IS\_ROW\_MAJOR: 35390;     UNIFORM\_MATRIX\_STRIDE: 35389;     UNIFORM\_OFFSET: 35387;     UNIFORM\_SIZE: 35384;     UNIFORM\_TYPE: 35383;     UNPACK\_ALIGNMENT: 3317;     UNPACK\_COLORSPACE\_CONVERSION\_WEBGL: 37443;     UNPACK\_FLIP\_Y\_WEBGL: 37440;     UNPACK\_IMAGE\_HEIGHT: 32878;     UNPACK\_PREMULTIPLY\_ALPHA\_WEBGL: 37441;     UNPACK\_ROW\_LENGTH: 3314;     UNPACK\_SKIP\_IMAGES: 32877;     UNPACK\_SKIP\_PIXELS: 3316;     UNPACK\_SKIP\_ROWS: 3315;     UNSIGNALED: 37144;     UNSIGNED\_BYTE: 5121;     UNSIGNED\_INT: 5125;     UNSIGNED\_INT\_10F\_11F\_11F\_REV: 35899;     UNSIGNED\_INT\_2\_10\_10\_10\_REV: 33640;     UNSIGNED\_INT\_24\_8: 34042;     UNSIGNED\_INT\_5\_9\_9\_9\_REV: 35902;     UNSIGNED\_INT\_SAMPLER\_2D: 36306;     UNSIGNED\_INT\_SAMPLER\_2D\_ARRAY: 36311;     UNSIGNED\_INT\_SAMPLER\_3D: 36307;     UNSIGNED\_INT\_SAMPLER\_CUBE: 36308;     UNSIGNED\_INT\_VEC2: 36294;     UNSIGNED\_INT\_VEC3: 36295;     UNSIGNED\_INT\_VEC4: 36296;     UNSIGNED\_NORMALIZED: 35863;     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\_ARRAY\_BINDING: 34229;     VERTEX\_ATTRIB\_ARRAY\_BUFFER\_BINDING: 34975;     VERTEX\_ATTRIB\_ARRAY\_DIVISOR: 35070;     VERTEX\_ATTRIB\_ARRAY\_ENABLED: 34338;     VERTEX\_ATTRIB\_ARRAY\_INTEGER: 35069;     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;     WAIT\_FAILED: 37149;     ZERO: 0;     new (): [WebGL2RenderingContext](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGL2RenderingContext/); } #### Type Declaration - - new (): [WebGL2RenderingContext](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGL2RenderingContext/) - #### Returns [WebGL2RenderingContext](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGL2RenderingContext/) - ##### `Readonly`ACTIVE\_ATTRIBUTES: 35721 - ##### `Readonly`ACTIVE\_TEXTURE: 34016 - ##### `Readonly`ACTIVE\_UNIFORM\_BLOCKS: 35382 - ##### `Readonly`ACTIVE\_UNIFORMS: 35718 - ##### `Readonly`ALIASED\_LINE\_WIDTH\_RANGE: 33902 - ##### `Readonly`ALIASED\_POINT\_SIZE\_RANGE: 33901 - ##### `Readonly`ALPHA: 6406 - ##### `Readonly`ALPHA\_BITS: 3413 - ##### `Readonly`ALREADY\_SIGNALED: 37146 - ##### `Readonly`ALWAYS: 519 - ##### `Readonly`ANY\_SAMPLES\_PASSED: 35887 - ##### `Readonly`ANY\_SAMPLES\_PASSED\_CONSERVATIVE: 36202 - ##### `Readonly`ARRAY\_BUFFER: 34962 - ##### `Readonly`ARRAY\_BUFFER\_BINDING: 34964 - ##### `Readonly`ATTACHED\_SHADERS: 35717 - ##### `Readonly`BACK: 1029 - ##### `Readonly`BLEND: 3042 - ##### `Readonly`BLEND\_COLOR: 32773 - ##### `Readonly`BLEND\_DST\_ALPHA: 32970 - ##### `Readonly`BLEND\_DST\_RGB: 32968 - ##### `Readonly`BLEND\_EQUATION: 32777 - ##### `Readonly`BLEND\_EQUATION\_ALPHA: 34877 - ##### `Readonly`BLEND\_EQUATION\_RGB: 32777 - ##### `Readonly`BLEND\_SRC\_ALPHA: 32971 - ##### `Readonly`BLEND\_SRC\_RGB: 32969 - ##### `Readonly`BLUE\_BITS: 3412 - ##### `Readonly`BOOL: 35670 - ##### `Readonly`BOOL\_VEC2: 35671 - ##### `Readonly`BOOL\_VEC3: 35672 - ##### `Readonly`BOOL\_VEC4: 35673 - ##### `Readonly`BROWSER\_DEFAULT\_WEBGL: 37444 - ##### `Readonly`BUFFER\_SIZE: 34660 - ##### `Readonly`BUFFER\_USAGE: 34661 - ##### `Readonly`BYTE: 5120 - ##### `Readonly`CCW: 2305 - ##### `Readonly`CLAMP\_TO\_EDGE: 33071 - ##### `Readonly`COLOR: 6144 - ##### `Readonly`COLOR\_ATTACHMENT0: 36064 - ##### `Readonly`COLOR\_ATTACHMENT1: 36065 - ##### `Readonly`COLOR\_ATTACHMENT10: 36074 - ##### `Readonly`COLOR\_ATTACHMENT11: 36075 - ##### `Readonly`COLOR\_ATTACHMENT12: 36076 - ##### `Readonly`COLOR\_ATTACHMENT13: 36077 - ##### `Readonly`COLOR\_ATTACHMENT14: 36078 - ##### `Readonly`COLOR\_ATTACHMENT15: 36079 - ##### `Readonly`COLOR\_ATTACHMENT2: 36066 - ##### `Readonly`COLOR\_ATTACHMENT3: 36067 - ##### `Readonly`COLOR\_ATTACHMENT4: 36068 - ##### `Readonly`COLOR\_ATTACHMENT5: 36069 - ##### `Readonly`COLOR\_ATTACHMENT6: 36070 - ##### `Readonly`COLOR\_ATTACHMENT7: 36071 - ##### `Readonly`COLOR\_ATTACHMENT8: 36072 - ##### `Readonly`COLOR\_ATTACHMENT9: 36073 - ##### `Readonly`COLOR\_BUFFER\_BIT: 16384 - ##### `Readonly`COLOR\_CLEAR\_VALUE: 3106 - ##### `Readonly`COLOR\_WRITEMASK: 3107 - ##### `Readonly`COMPARE\_REF\_TO\_TEXTURE: 34894 - ##### `Readonly`COMPILE\_STATUS: 35713 - ##### `Readonly`COMPRESSED\_TEXTURE\_FORMATS: 34467 - ##### `Readonly`CONDITION\_SATISFIED: 37148 - ##### `Readonly`CONSTANT\_ALPHA: 32771 - ##### `Readonly`CONSTANT\_COLOR: 32769 - ##### `Readonly`CONTEXT\_LOST\_WEBGL: 37442 - ##### `Readonly`COPY\_READ\_BUFFER: 36662 - ##### `Readonly`COPY\_READ\_BUFFER\_BINDING: 36662 - ##### `Readonly`COPY\_WRITE\_BUFFER: 36663 - ##### `Readonly`COPY\_WRITE\_BUFFER\_BINDING: 36663 - ##### `Readonly`CULL\_FACE: 2884 - ##### `Readonly`CULL\_FACE\_MODE: 2885 - ##### `Readonly`CURRENT\_PROGRAM: 35725 - ##### `Readonly`CURRENT\_QUERY: 34917 - ##### `Readonly`CURRENT\_VERTEX\_ATTRIB: 34342 - ##### `Readonly`CW: 2304 - ##### `Readonly`DECR: 7683 - ##### `Readonly`DECR\_WRAP: 34056 - ##### `Readonly`DELETE\_STATUS: 35712 - ##### `Readonly`DEPTH: 6145 - ##### `Readonly`DEPTH\_ATTACHMENT: 36096 - ##### `Readonly`DEPTH\_BITS: 3414 - ##### `Readonly`DEPTH\_BUFFER\_BIT: 256 - ##### `Readonly`DEPTH\_CLEAR\_VALUE: 2931 - ##### `Readonly`DEPTH\_COMPONENT: 6402 - ##### `Readonly`DEPTH\_COMPONENT16: 33189 - ##### `Readonly`DEPTH\_COMPONENT24: 33190 - ##### `Readonly`DEPTH\_COMPONENT32F: 36012 - ##### `Readonly`DEPTH\_FUNC: 2932 - ##### `Readonly`DEPTH\_RANGE: 2928 - ##### `Readonly`DEPTH\_STENCIL: 34041 - ##### `Readonly`DEPTH\_STENCIL\_ATTACHMENT: 33306 - ##### `Readonly`DEPTH\_TEST: 2929 - ##### `Readonly`DEPTH\_WRITEMASK: 2930 - ##### `Readonly`DEPTH24\_STENCIL8: 35056 - ##### `Readonly`DEPTH32F\_STENCIL8: 36013 - ##### `Readonly`DITHER: 3024 - ##### `Readonly`DONT\_CARE: 4352 - ##### `Readonly`DRAW\_BUFFER0: 34853 - ##### `Readonly`DRAW\_BUFFER1: 34854 - ##### `Readonly`DRAW\_BUFFER10: 34863 - ##### `Readonly`DRAW\_BUFFER11: 34864 - ##### `Readonly`DRAW\_BUFFER12: 34865 - ##### `Readonly`DRAW\_BUFFER13: 34866 - ##### `Readonly`DRAW\_BUFFER14: 34867 - ##### `Readonly`DRAW\_BUFFER15: 34868 - ##### `Readonly`DRAW\_BUFFER2: 34855 - ##### `Readonly`DRAW\_BUFFER3: 34856 - ##### `Readonly`DRAW\_BUFFER4: 34857 - ##### `Readonly`DRAW\_BUFFER5: 34858 - ##### `Readonly`DRAW\_BUFFER6: 34859 - ##### `Readonly`DRAW\_BUFFER7: 34860 - ##### `Readonly`DRAW\_BUFFER8: 34861 - ##### `Readonly`DRAW\_BUFFER9: 34862 - ##### `Readonly`DRAW\_FRAMEBUFFER: 36009 - ##### `Readonly`DRAW\_FRAMEBUFFER\_BINDING: 36006 - ##### `Readonly`DST\_ALPHA: 772 - ##### `Readonly`DST\_COLOR: 774 - ##### `Readonly`DYNAMIC\_COPY: 35050 - ##### `Readonly`DYNAMIC\_DRAW: 35048 - ##### `Readonly`DYNAMIC\_READ: 35049 - ##### `Readonly`ELEMENT\_ARRAY\_BUFFER: 34963 - ##### `Readonly`ELEMENT\_ARRAY\_BUFFER\_BINDING: 34965 - ##### `Readonly`EQUAL: 514 - ##### `Readonly`FASTEST: 4353 - ##### `Readonly`FLOAT: 5126 - ##### `Readonly`FLOAT\_32\_UNSIGNED\_INT\_24\_8\_REV: 36269 - ##### `Readonly`FLOAT\_MAT2: 35674 - ##### `Readonly`FLOAT\_MAT2x3: 35685 - ##### `Readonly`FLOAT\_MAT2x4: 35686 - ##### `Readonly`FLOAT\_MAT3: 35675 - ##### `Readonly`FLOAT\_MAT3x2: 35687 - ##### `Readonly`FLOAT\_MAT3x4: 35688 - ##### `Readonly`FLOAT\_MAT4: 35676 - ##### `Readonly`FLOAT\_MAT4x2: 35689 - ##### `Readonly`FLOAT\_MAT4x3: 35690 - ##### `Readonly`FLOAT\_VEC2: 35664 - ##### `Readonly`FLOAT\_VEC3: 35665 - ##### `Readonly`FLOAT\_VEC4: 35666 - ##### `Readonly`FRAGMENT\_SHADER: 35632 - ##### `Readonly`FRAGMENT\_SHADER\_DERIVATIVE\_HINT: 35723 - ##### `Readonly`FRAMEBUFFER: 36160 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_ALPHA\_SIZE: 33301 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_BLUE\_SIZE: 33300 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_COLOR\_ENCODING: 33296 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_COMPONENT\_TYPE: 33297 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_DEPTH\_SIZE: 33302 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_GREEN\_SIZE: 33299 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_OBJECT\_NAME: 36049 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_OBJECT\_TYPE: 36048 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_RED\_SIZE: 33298 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_STENCIL\_SIZE: 33303 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_TEXTURE\_CUBE\_MAP\_FACE: 36051 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_TEXTURE\_LAYER: 36052 - ##### `Readonly`FRAMEBUFFER\_ATTACHMENT\_TEXTURE\_LEVEL: 36050 - ##### `Readonly`FRAMEBUFFER\_BINDING: 36006 - ##### `Readonly`FRAMEBUFFER\_COMPLETE: 36053 - ##### `Readonly`FRAMEBUFFER\_DEFAULT: 33304 - ##### `Readonly`FRAMEBUFFER\_INCOMPLETE\_ATTACHMENT: 36054 - ##### `Readonly`FRAMEBUFFER\_INCOMPLETE\_DIMENSIONS: 36057 - ##### `Readonly`FRAMEBUFFER\_INCOMPLETE\_MISSING\_ATTACHMENT: 36055 - ##### `Readonly`FRAMEBUFFER\_INCOMPLETE\_MULTISAMPLE: 36182 - ##### `Readonly`FRAMEBUFFER\_UNSUPPORTED: 36061 - ##### `Readonly`FRONT: 1028 - ##### `Readonly`FRONT\_AND\_BACK: 1032 - ##### `Readonly`FRONT\_FACE: 2886 - ##### `Readonly`FUNC\_ADD: 32774 - ##### `Readonly`FUNC\_REVERSE\_SUBTRACT: 32779 - ##### `Readonly`FUNC\_SUBTRACT: 32778 - ##### `Readonly`GENERATE\_MIPMAP\_HINT: 33170 - ##### `Readonly`GEQUAL: 518 - ##### `Readonly`GREATER: 516 - ##### `Readonly`GREEN\_BITS: 3411 - ##### `Readonly`HALF\_FLOAT: 5131 - ##### `Readonly`HIGH\_FLOAT: 36338 - ##### `Readonly`HIGH\_INT: 36341 - ##### `Readonly`IMPLEMENTATION\_COLOR\_READ\_FORMAT: 35739 - ##### `Readonly`IMPLEMENTATION\_COLOR\_READ\_TYPE: 35738 - ##### `Readonly`INCR: 7682 - ##### `Readonly`INCR\_WRAP: 34055 - ##### `Readonly`INT: 5124 - ##### `Readonly`INT\_2\_10\_10\_10\_REV: 36255 - ##### `Readonly`INT\_SAMPLER\_2D: 36298 - ##### `Readonly`INT\_SAMPLER\_2D\_ARRAY: 36303 - ##### `Readonly`INT\_SAMPLER\_3D: 36299 - ##### `Readonly`INT\_SAMPLER\_CUBE: 36300 - ##### `Readonly`INT\_VEC2: 35667 - ##### `Readonly`INT\_VEC3: 35668 - ##### `Readonly`INT\_VEC4: 35669 - ##### `Readonly`INTERLEAVED\_ATTRIBS: 35980 - ##### `Readonly`INVALID\_ENUM: 1280 - ##### `Readonly`INVALID\_FRAMEBUFFER\_OPERATION: 1286 - ##### `Readonly`INVALID\_INDEX: 4294967295 - ##### `Readonly`INVALID\_OPERATION: 1282 - ##### `Readonly`INVALID\_VALUE: 1281 - ##### `Readonly`INVERT: 5386 - ##### `Readonly`KEEP: 7680 - ##### `Readonly`LEQUAL: 515 - ##### `Readonly`LESS: 513 - ##### `Readonly`LINE\_LOOP: 2 - ##### `Readonly`LINE\_STRIP: 3 - ##### `Readonly`LINE\_WIDTH: 2849 - ##### `Readonly`LINEAR: 9729 - ##### `Readonly`LINEAR\_MIPMAP\_LINEAR: 9987 - ##### `Readonly`LINEAR\_MIPMAP\_NEAREST: 9985 - ##### `Readonly`LINES: 1 - ##### `Readonly`LINK\_STATUS: 35714 - ##### `Readonly`LOW\_FLOAT: 36336 - ##### `Readonly`LOW\_INT: 36339 - ##### `Readonly`LUMINANCE: 6409 - ##### `Readonly`LUMINANCE\_ALPHA: 6410 - ##### `Readonly`MAX: 32776 - ##### `Readonly`MAX\_3D\_TEXTURE\_SIZE: 32883 - ##### `Readonly`MAX\_ARRAY\_TEXTURE\_LAYERS: 35071 - ##### `Readonly`MAX\_CLIENT\_WAIT\_TIMEOUT\_WEBGL: 37447 - ##### `Readonly`MAX\_COLOR\_ATTACHMENTS: 36063 - ##### `Readonly`MAX\_COMBINED\_FRAGMENT\_UNIFORM\_COMPONENTS: 35379 - ##### `Readonly`MAX\_COMBINED\_TEXTURE\_IMAGE\_UNITS: 35661 - ##### `Readonly`MAX\_COMBINED\_UNIFORM\_BLOCKS: 35374 - ##### `Readonly`MAX\_COMBINED\_VERTEX\_UNIFORM\_COMPONENTS: 35377 - ##### `Readonly`MAX\_CUBE\_MAP\_TEXTURE\_SIZE: 34076 - ##### `Readonly`MAX\_DRAW\_BUFFERS: 34852 - ##### `Readonly`MAX\_ELEMENT\_INDEX: 36203 - ##### `Readonly`MAX\_ELEMENTS\_INDICES: 33001 - ##### `Readonly`MAX\_ELEMENTS\_VERTICES: 33000 - ##### `Readonly`MAX\_FRAGMENT\_INPUT\_COMPONENTS: 37157 - ##### `Readonly`MAX\_FRAGMENT\_UNIFORM\_BLOCKS: 35373 - ##### `Readonly`MAX\_FRAGMENT\_UNIFORM\_COMPONENTS: 35657 - ##### `Readonly`MAX\_FRAGMENT\_UNIFORM\_VECTORS: 36349 - ##### `Readonly`MAX\_PROGRAM\_TEXEL\_OFFSET: 35077 - ##### `Readonly`MAX\_RENDERBUFFER\_SIZE: 34024 - ##### `Readonly`MAX\_SAMPLES: 36183 - ##### `Readonly`MAX\_SERVER\_WAIT\_TIMEOUT: 37137 - ##### `Readonly`MAX\_TEXTURE\_IMAGE\_UNITS: 34930 - ##### `Readonly`MAX\_TEXTURE\_LOD\_BIAS: 34045 - ##### `Readonly`MAX\_TEXTURE\_SIZE: 3379 - ##### `Readonly`MAX\_TRANSFORM\_FEEDBACK\_INTERLEAVED\_COMPONENTS: 35978 - ##### `Readonly`MAX\_TRANSFORM\_FEEDBACK\_SEPARATE\_ATTRIBS: 35979 - ##### `Readonly`MAX\_TRANSFORM\_FEEDBACK\_SEPARATE\_COMPONENTS: 35968 - ##### `Readonly`MAX\_UNIFORM\_BLOCK\_SIZE: 35376 - ##### `Readonly`MAX\_UNIFORM\_BUFFER\_BINDINGS: 35375 - ##### `Readonly`MAX\_VARYING\_COMPONENTS: 35659 - ##### `Readonly`MAX\_VARYING\_VECTORS: 36348 - ##### `Readonly`MAX\_VERTEX\_ATTRIBS: 34921 - ##### `Readonly`MAX\_VERTEX\_OUTPUT\_COMPONENTS: 37154 - ##### `Readonly`MAX\_VERTEX\_TEXTURE\_IMAGE\_UNITS: 35660 - ##### `Readonly`MAX\_VERTEX\_UNIFORM\_BLOCKS: 35371 - ##### `Readonly`MAX\_VERTEX\_UNIFORM\_COMPONENTS: 35658 - ##### `Readonly`MAX\_VERTEX\_UNIFORM\_VECTORS: 36347 - ##### `Readonly`MAX\_VIEWPORT\_DIMS: 3386 - ##### `Readonly`MEDIUM\_FLOAT: 36337 - ##### `Readonly`MEDIUM\_INT: 36340 - ##### `Readonly`MIN: 32775 - ##### `Readonly`MIN\_PROGRAM\_TEXEL\_OFFSET: 35076 - ##### `Readonly`MIRRORED\_REPEAT: 33648 - ##### `Readonly`NEAREST: 9728 - ##### `Readonly`NEAREST\_MIPMAP\_LINEAR: 9986 - ##### `Readonly`NEAREST\_MIPMAP\_NEAREST: 9984 - ##### `Readonly`NEVER: 512 - ##### `Readonly`NICEST: 4354 - ##### `Readonly`NO\_ERROR: 0 - ##### `Readonly`NONE: 0 - ##### `Readonly`NOTEQUAL: 517 - ##### `Readonly`OBJECT\_TYPE: 37138 - ##### `Readonly`ONE: 1 - ##### `Readonly`ONE\_MINUS\_CONSTANT\_ALPHA: 32772 - ##### `Readonly`ONE\_MINUS\_CONSTANT\_COLOR: 32770 - ##### `Readonly`ONE\_MINUS\_DST\_ALPHA: 773 - ##### `Readonly`ONE\_MINUS\_DST\_COLOR: 775 - ##### `Readonly`ONE\_MINUS\_SRC\_ALPHA: 771 - ##### `Readonly`ONE\_MINUS\_SRC\_COLOR: 769 - ##### `Readonly`OUT\_OF\_MEMORY: 1285 - ##### `Readonly`PACK\_ALIGNMENT: 3333 - ##### `Readonly`PACK\_ROW\_LENGTH: 3330 - ##### `Readonly`PACK\_SKIP\_PIXELS: 3332 - ##### `Readonly`PACK\_SKIP\_ROWS: 3331 - ##### `Readonly`PIXEL\_PACK\_BUFFER: 35051 - ##### `Readonly`PIXEL\_PACK\_BUFFER\_BINDING: 35053 - ##### `Readonly`PIXEL\_UNPACK\_BUFFER: 35052 - ##### `Readonly`PIXEL\_UNPACK\_BUFFER\_BINDING: 35055 - ##### `Readonly`POINTS: 0 - ##### `Readonly`POLYGON\_OFFSET\_FACTOR: 32824 - ##### `Readonly`POLYGON\_OFFSET\_FILL: 32823 - ##### `Readonly`POLYGON\_OFFSET\_UNITS: 10752 - ##### prototype: [WebGL2RenderingContext](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGL2RenderingContext/) - ##### `Readonly`QUERY\_RESULT: 34918 - ##### `Readonly`QUERY\_RESULT\_AVAILABLE: 34919 - ##### `Readonly`R11F\_G11F\_B10F: 35898 - ##### `Readonly`R16F: 33325 - ##### `Readonly`R16I: 33331 - ##### `Readonly`R16UI: 33332 - ##### `Readonly`R32F: 33326 - ##### `Readonly`R32I: 33333 - ##### `Readonly`R32UI: 33334 - ##### `Readonly`R8: 33321 - ##### `Readonly`R8\_SNORM: 36756 - ##### `Readonly`R8I: 33329 - ##### `Readonly`R8UI: 33330 - ##### `Readonly`RASTERIZER\_DISCARD: 35977 - ##### `Readonly`READ\_BUFFER: 3074 - ##### `Readonly`READ\_FRAMEBUFFER: 36008 - ##### `Readonly`READ\_FRAMEBUFFER\_BINDING: 36010 - ##### `Readonly`RED: 6403 - ##### `Readonly`RED\_BITS: 3410 - ##### `Readonly`RED\_INTEGER: 36244 - ##### `Readonly`RENDERBUFFER: 36161 - ##### `Readonly`RENDERBUFFER\_ALPHA\_SIZE: 36179 - ##### `Readonly`RENDERBUFFER\_BINDING: 36007 - ##### `Readonly`RENDERBUFFER\_BLUE\_SIZE: 36178 - ##### `Readonly`RENDERBUFFER\_DEPTH\_SIZE: 36180 - ##### `Readonly`RENDERBUFFER\_GREEN\_SIZE: 36177 - ##### `Readonly`RENDERBUFFER\_HEIGHT: 36163 - ##### `Readonly`RENDERBUFFER\_INTERNAL\_FORMAT: 36164 - ##### `Readonly`RENDERBUFFER\_RED\_SIZE: 36176 - ##### `Readonly`RENDERBUFFER\_SAMPLES: 36011 - ##### `Readonly`RENDERBUFFER\_STENCIL\_SIZE: 36181 - ##### `Readonly`RENDERBUFFER\_WIDTH: 36162 - ##### `Readonly`RENDERER: 7937 - ##### `Readonly`REPEAT: 10497 - ##### `Readonly`REPLACE: 7681 - ##### `Readonly`RG: 33319 - ##### `Readonly`RG\_INTEGER: 33320 - ##### `Readonly`RG16F: 33327 - ##### `Readonly`RG16I: 33337 - ##### `Readonly`RG16UI: 33338 - ##### `Readonly`RG32F: 33328 - ##### `Readonly`RG32I: 33339 - ##### `Readonly`RG32UI: 33340 - ##### `Readonly`RG8: 33323 - ##### `Readonly`RG8\_SNORM: 36757 - ##### `Readonly`RG8I: 33335 - ##### `Readonly`RG8UI: 33336 - ##### `Readonly`RGB: 6407 - ##### `Readonly`RGB\_INTEGER: 36248 - ##### `Readonly`RGB10\_A2: 32857 - ##### `Readonly`RGB10\_A2UI: 36975 - ##### `Readonly`RGB16F: 34843 - ##### `Readonly`RGB16I: 36233 - ##### `Readonly`RGB16UI: 36215 - ##### `Readonly`RGB32F: 34837 - ##### `Readonly`RGB32I: 36227 - ##### `Readonly`RGB32UI: 36209 - ##### `Readonly`RGB5\_A1: 32855 - ##### `Readonly`RGB565: 36194 - ##### `Readonly`RGB8: 32849 - ##### `Readonly`RGB8\_SNORM: 36758 - ##### `Readonly`RGB8I: 36239 - ##### `Readonly`RGB8UI: 36221 - ##### `Readonly`RGB9\_E5: 35901 - ##### `Readonly`RGBA: 6408 - ##### `Readonly`RGBA\_INTEGER: 36249 - ##### `Readonly`RGBA16F: 34842 - ##### `Readonly`RGBA16I: 36232 - ##### `Readonly`RGBA16UI: 36214 - ##### `Readonly`RGBA32F: 34836 - ##### `Readonly`RGBA32I: 36226 - ##### `Readonly`RGBA32UI: 36208 - ##### `Readonly`RGBA4: 32854 - ##### `Readonly`RGBA8: 32856 - ##### `Readonly`RGBA8\_SNORM: 36759 - ##### `Readonly`RGBA8I: 36238 - ##### `Readonly`RGBA8UI: 36220 - ##### `Readonly`SAMPLE\_ALPHA\_TO\_COVERAGE: 32926 - ##### `Readonly`SAMPLE\_BUFFERS: 32936 - ##### `Readonly`SAMPLE\_COVERAGE: 32928 - ##### `Readonly`SAMPLE\_COVERAGE\_INVERT: 32939 - ##### `Readonly`SAMPLE\_COVERAGE\_VALUE: 32938 - ##### `Readonly`SAMPLER\_2D: 35678 - ##### `Readonly`SAMPLER\_2D\_ARRAY: 36289 - ##### `Readonly`SAMPLER\_2D\_ARRAY\_SHADOW: 36292 - ##### `Readonly`SAMPLER\_2D\_SHADOW: 35682 - ##### `Readonly`SAMPLER\_3D: 35679 - ##### `Readonly`SAMPLER\_BINDING: 35097 - ##### `Readonly`SAMPLER\_CUBE: 35680 - ##### `Readonly`SAMPLER\_CUBE\_SHADOW: 36293 - ##### `Readonly`SAMPLES: 32937 - ##### `Readonly`SCISSOR\_BOX: 3088 - ##### `Readonly`SCISSOR\_TEST: 3089 - ##### `Readonly`SEPARATE\_ATTRIBS: 35981 - ##### `Readonly`SHADER\_TYPE: 35663 - ##### `Readonly`SHADING\_LANGUAGE\_VERSION: 35724 - ##### `Readonly`SHORT: 5122 - ##### `Readonly`SIGNALED: 37145 - ##### `Readonly`SIGNED\_NORMALIZED: 36764 - ##### `Readonly`SRC\_ALPHA: 770 - ##### `Readonly`SRC\_ALPHA\_SATURATE: 776 - ##### `Readonly`SRC\_COLOR: 768 - ##### `Readonly`SRGB: 35904 - ##### `Readonly`SRGB8: 35905 - ##### `Readonly`SRGB8\_ALPHA8: 35907 - ##### `Readonly`STATIC\_COPY: 35046 - ##### `Readonly`STATIC\_DRAW: 35044 - ##### `Readonly`STATIC\_READ: 35045 - ##### `Readonly`STENCIL: 6146 - ##### `Readonly`STENCIL\_ATTACHMENT: 36128 - ##### `Readonly`STENCIL\_BACK\_FAIL: 34817 - ##### `Readonly`STENCIL\_BACK\_FUNC: 34816 - ##### `Readonly`STENCIL\_BACK\_PASS\_DEPTH\_FAIL: 34818 - ##### `Readonly`STENCIL\_BACK\_PASS\_DEPTH\_PASS: 34819 - ##### `Readonly`STENCIL\_BACK\_REF: 36003 - ##### `Readonly`STENCIL\_BACK\_VALUE\_MASK: 36004 - ##### `Readonly`STENCIL\_BACK\_WRITEMASK: 36005 - ##### `Readonly`STENCIL\_BITS: 3415 - ##### `Readonly`STENCIL\_BUFFER\_BIT: 1024 - ##### `Readonly`STENCIL\_CLEAR\_VALUE: 2961 - ##### `Readonly`STENCIL\_FAIL: 2964 - ##### `Readonly`STENCIL\_FUNC: 2962 - ##### `Readonly`STENCIL\_INDEX8: 36168 - ##### `Readonly`STENCIL\_PASS\_DEPTH\_FAIL: 2965 - ##### `Readonly`STENCIL\_PASS\_DEPTH\_PASS: 2966 - ##### `Readonly`STENCIL\_REF: 2967 - ##### `Readonly`STENCIL\_TEST: 2960 - ##### `Readonly`STENCIL\_VALUE\_MASK: 2963 - ##### `Readonly`STENCIL\_WRITEMASK: 2968 - ##### `Readonly`STREAM\_COPY: 35042 - ##### `Readonly`STREAM\_DRAW: 35040 - ##### `Readonly`STREAM\_READ: 35041 - ##### `Readonly`SUBPIXEL\_BITS: 3408 - ##### `Readonly`SYNC\_CONDITION: 37139 - ##### `Readonly`SYNC\_FENCE: 37142 - ##### `Readonly`SYNC\_FLAGS: 37141 - ##### `Readonly`SYNC\_FLUSH\_COMMANDS\_BIT: 1 - ##### `Readonly`SYNC\_GPU\_COMMANDS\_COMPLETE: 37143 - ##### `Readonly`SYNC\_STATUS: 37140 - ##### `Readonly`TEXTURE: 5890 - ##### `Readonly`TEXTURE\_2D: 3553 - ##### `Readonly`TEXTURE\_2D\_ARRAY: 35866 - ##### `Readonly`TEXTURE\_3D: 32879 - ##### `Readonly`TEXTURE\_BASE\_LEVEL: 33084 - ##### `Readonly`TEXTURE\_BINDING\_2D: 32873 - ##### `Readonly`TEXTURE\_BINDING\_2D\_ARRAY: 35869 - ##### `Readonly`TEXTURE\_BINDING\_3D: 32874 - ##### `Readonly`TEXTURE\_BINDING\_CUBE\_MAP: 34068 - ##### `Readonly`TEXTURE\_COMPARE\_FUNC: 34893 - ##### `Readonly`TEXTURE\_COMPARE\_MODE: 34892 - ##### `Readonly`TEXTURE\_CUBE\_MAP: 34067 - ##### `Readonly`TEXTURE\_CUBE\_MAP\_NEGATIVE\_X: 34070 - ##### `Readonly`TEXTURE\_CUBE\_MAP\_NEGATIVE\_Y: 34072 - ##### `Readonly`TEXTURE\_CUBE\_MAP\_NEGATIVE\_Z: 34074 - ##### `Readonly`TEXTURE\_CUBE\_MAP\_POSITIVE\_X: 34069 - ##### `Readonly`TEXTURE\_CUBE\_MAP\_POSITIVE\_Y: 34071 - ##### `Readonly`TEXTURE\_CUBE\_MAP\_POSITIVE\_Z: 34073 - ##### `Readonly`TEXTURE\_IMMUTABLE\_FORMAT: 37167 - ##### `Readonly`TEXTURE\_IMMUTABLE\_LEVELS: 33503 - ##### `Readonly`TEXTURE\_MAG\_FILTER: 10240 - ##### `Readonly`TEXTURE\_MAX\_LEVEL: 33085 - ##### `Readonly`TEXTURE\_MAX\_LOD: 33083 - ##### `Readonly`TEXTURE\_MIN\_FILTER: 10241 - ##### `Readonly`TEXTURE\_MIN\_LOD: 33082 - ##### `Readonly`TEXTURE\_WRAP\_R: 32882 - ##### `Readonly`TEXTURE\_WRAP\_S: 10242 - ##### `Readonly`TEXTURE\_WRAP\_T: 10243 - ##### `Readonly`TEXTURE0: 33984 - ##### `Readonly`TEXTURE1: 33985 - ##### `Readonly`TEXTURE10: 33994 - ##### `Readonly`TEXTURE11: 33995 - ##### `Readonly`TEXTURE12: 33996 - ##### `Readonly`TEXTURE13: 33997 - ##### `Readonly`TEXTURE14: 33998 - ##### `Readonly`TEXTURE15: 33999 - ##### `Readonly`TEXTURE16: 34000 - ##### `Readonly`TEXTURE17: 34001 - ##### `Readonly`TEXTURE18: 34002 - ##### `Readonly`TEXTURE19: 34003 - ##### `Readonly`TEXTURE2: 33986 - ##### `Readonly`TEXTURE20: 34004 - ##### `Readonly`TEXTURE21: 34005 - ##### `Readonly`TEXTURE22: 34006 - ##### `Readonly`TEXTURE23: 34007 - ##### `Readonly`TEXTURE24: 34008 - ##### `Readonly`TEXTURE25: 34009 - ##### `Readonly`TEXTURE26: 34010 - ##### `Readonly`TEXTURE27: 34011 - ##### `Readonly`TEXTURE28: 34012 - ##### `Readonly`TEXTURE29: 34013 - ##### `Readonly`TEXTURE3: 33987 - ##### `Readonly`TEXTURE30: 34014 - ##### `Readonly`TEXTURE31: 34015 - ##### `Readonly`TEXTURE4: 33988 - ##### `Readonly`TEXTURE5: 33989 - ##### `Readonly`TEXTURE6: 33990 - ##### `Readonly`TEXTURE7: 33991 - ##### `Readonly`TEXTURE8: 33992 - ##### `Readonly`TEXTURE9: 33993 - ##### `Readonly`TIMEOUT\_EXPIRED: 37147 - ##### `Readonly`TIMEOUT\_IGNORED: \-1 - ##### `Readonly`TRANSFORM\_FEEDBACK: 36386 - ##### `Readonly`TRANSFORM\_FEEDBACK\_ACTIVE: 36388 - ##### `Readonly`TRANSFORM\_FEEDBACK\_BINDING: 36389 - ##### `Readonly`TRANSFORM\_FEEDBACK\_BUFFER: 35982 - ##### `Readonly`TRANSFORM\_FEEDBACK\_BUFFER\_BINDING: 35983 - ##### `Readonly`TRANSFORM\_FEEDBACK\_BUFFER\_MODE: 35967 - ##### `Readonly`TRANSFORM\_FEEDBACK\_BUFFER\_SIZE: 35973 - ##### `Readonly`TRANSFORM\_FEEDBACK\_BUFFER\_START: 35972 - ##### `Readonly`TRANSFORM\_FEEDBACK\_PAUSED: 36387 - ##### `Readonly`TRANSFORM\_FEEDBACK\_PRIMITIVES\_WRITTEN: 35976 - ##### `Readonly`TRANSFORM\_FEEDBACK\_VARYINGS: 35971 - ##### `Readonly`TRIANGLE\_FAN: 6 - ##### `Readonly`TRIANGLE\_STRIP: 5 - ##### `Readonly`TRIANGLES: 4 - ##### `Readonly`UNIFORM\_ARRAY\_STRIDE: 35388 - ##### `Readonly`UNIFORM\_BLOCK\_ACTIVE\_UNIFORM\_INDICES: 35395 - ##### `Readonly`UNIFORM\_BLOCK\_ACTIVE\_UNIFORMS: 35394 - ##### `Readonly`UNIFORM\_BLOCK\_BINDING: 35391 - ##### `Readonly`UNIFORM\_BLOCK\_DATA\_SIZE: 35392 - ##### `Readonly`UNIFORM\_BLOCK\_INDEX: 35386 - ##### `Readonly`UNIFORM\_BLOCK\_REFERENCED\_BY\_FRAGMENT\_SHADER: 35398 - ##### `Readonly`UNIFORM\_BLOCK\_REFERENCED\_BY\_VERTEX\_SHADER: 35396 - ##### `Readonly`UNIFORM\_BUFFER: 35345 - ##### `Readonly`UNIFORM\_BUFFER\_BINDING: 35368 - ##### `Readonly`UNIFORM\_BUFFER\_OFFSET\_ALIGNMENT: 35380 - ##### `Readonly`UNIFORM\_BUFFER\_SIZE: 35370 - ##### `Readonly`UNIFORM\_BUFFER\_START: 35369 - ##### `Readonly`UNIFORM\_IS\_ROW\_MAJOR: 35390 - ##### `Readonly`UNIFORM\_MATRIX\_STRIDE: 35389 - ##### `Readonly`UNIFORM\_OFFSET: 35387 - ##### `Readonly`UNIFORM\_SIZE: 35384 - ##### `Readonly`UNIFORM\_TYPE: 35383 - ##### `Readonly`UNPACK\_ALIGNMENT: 3317 - ##### `Readonly`UNPACK\_COLORSPACE\_CONVERSION\_WEBGL: 37443 - ##### `Readonly`UNPACK\_FLIP\_Y\_WEBGL: 37440 - ##### `Readonly`UNPACK\_IMAGE\_HEIGHT: 32878 - ##### `Readonly`UNPACK\_PREMULTIPLY\_ALPHA\_WEBGL: 37441 - ##### `Readonly`UNPACK\_ROW\_LENGTH: 3314 - ##### `Readonly`UNPACK\_SKIP\_IMAGES: 32877 - ##### `Readonly`UNPACK\_SKIP\_PIXELS: 3316 - ##### `Readonly`UNPACK\_SKIP\_ROWS: 3315 - ##### `Readonly`UNSIGNALED: 37144 - ##### `Readonly`UNSIGNED\_BYTE: 5121 - ##### `Readonly`UNSIGNED\_INT: 5125 - ##### `Readonly`UNSIGNED\_INT\_10F\_11F\_11F\_REV: 35899 - ##### `Readonly`UNSIGNED\_INT\_2\_10\_10\_10\_REV: 33640 - ##### `Readonly`UNSIGNED\_INT\_24\_8: 34042 - ##### `Readonly`UNSIGNED\_INT\_5\_9\_9\_9\_REV: 35902 - ##### `Readonly`UNSIGNED\_INT\_SAMPLER\_2D: 36306 - ##### `Readonly`UNSIGNED\_INT\_SAMPLER\_2D\_ARRAY: 36311 - ##### `Readonly`UNSIGNED\_INT\_SAMPLER\_3D: 36307 - ##### `Readonly`UNSIGNED\_INT\_SAMPLER\_CUBE: 36308 - ##### `Readonly`UNSIGNED\_INT\_VEC2: 36294 - ##### `Readonly`UNSIGNED\_INT\_VEC3: 36295 - ##### `Readonly`UNSIGNED\_INT\_VEC4: 36296 - ##### `Readonly`UNSIGNED\_NORMALIZED: 35863 - ##### `Readonly`UNSIGNED\_SHORT: 5123 - ##### `Readonly`UNSIGNED\_SHORT\_4\_4\_4\_4: 32819 - ##### `Readonly`UNSIGNED\_SHORT\_5\_5\_5\_1: 32820 - ##### `Readonly`UNSIGNED\_SHORT\_5\_6\_5: 33635 - ##### `Readonly`VALIDATE\_STATUS: 35715 - ##### `Readonly`VENDOR: 7936 - ##### `Readonly`VERSION: 7938 - ##### `Readonly`VERTEX\_ARRAY\_BINDING: 34229 - ##### `Readonly`VERTEX\_ATTRIB\_ARRAY\_BUFFER\_BINDING: 34975 - ##### `Readonly`VERTEX\_ATTRIB\_ARRAY\_DIVISOR: 35070 - ##### `Readonly`VERTEX\_ATTRIB\_ARRAY\_ENABLED: 34338 - ##### `Readonly`VERTEX\_ATTRIB\_ARRAY\_INTEGER: 35069 - ##### `Readonly`VERTEX\_ATTRIB\_ARRAY\_NORMALIZED: 34922 - ##### `Readonly`VERTEX\_ATTRIB\_ARRAY\_POINTER: 34373 - ##### `Readonly`VERTEX\_ATTRIB\_ARRAY\_SIZE: 34339 - ##### `Readonly`VERTEX\_ATTRIB\_ARRAY\_STRIDE: 34340 - ##### `Readonly`VERTEX\_ATTRIB\_ARRAY\_TYPE: 34341 - ##### `Readonly`VERTEX\_SHADER: 35633 - ##### `Readonly`VIEWPORT: 2978 - ##### `Readonly`WAIT\_FAILED: 37149 - ##### `Readonly`ZERO: 0