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-rw-r--r--dom/canvas/test/webgl-conf/checkout/deqp/webgl2.js5520
1 files changed, 5520 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/webgl2.js b/dom/canvas/test/webgl-conf/checkout/deqp/webgl2.js
new file mode 100644
index 0000000000..91527fcbe7
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/deqp/webgl2.js
@@ -0,0 +1,5520 @@
+/*
+ * Copyright 2010 The Closure Compiler Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// WebGL 2.0 portions:
+
+/*
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+*/
+
+/**
+ * @fileoverview Definitions for WebGL functions as described at
+ * http://www.khronos.org/registry/webgl/specs/latest/1.0 and
+ * http://www.khronos.org/registry/webgl/specs/latest/2.0
+ *
+ * This file is current up to the WebGL 2.0 spec, including extensions.
+ *
+ * This relies on html5.js being included for Canvas and Typed Array support.
+ *
+ * This includes some extensions defined at
+ * http://www.khronos.org/registry/webgl/extensions/
+ *
+ * This file will be merged back into the Closure workspace as soon as
+ * the WebGL 2.0 changes have been fully tested.
+ *
+ * @externs
+ */
+
+/**
+ * @constructor
+ * @noalias
+ * @private
+ */
+function WebGLRenderingContextBase() {}
+
+/** @typedef {number} */
+WebGLRenderingContextBase.GLenum;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_BUFFER_BIT;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_BUFFER_BIT;
+
+/** @type {number} */
+WebGLRenderingContextBase.COLOR_BUFFER_BIT;
+
+/** @type {number} */
+WebGLRenderingContextBase.POINTS;
+
+/** @type {number} */
+WebGLRenderingContextBase.LINES;
+
+/** @type {number} */
+WebGLRenderingContextBase.LINE_LOOP;
+
+/** @type {number} */
+WebGLRenderingContextBase.LINE_STRIP;
+
+/** @type {number} */
+WebGLRenderingContextBase.TRIANGLES;
+
+/** @type {number} */
+WebGLRenderingContextBase.TRIANGLE_STRIP;
+
+/** @type {number} */
+WebGLRenderingContextBase.TRIANGLE_FAN;
+
+/** @type {number} */
+WebGLRenderingContextBase.ZERO;
+
+/** @type {number} */
+WebGLRenderingContextBase.ONE;
+
+/** @type {number} */
+WebGLRenderingContextBase.SRC_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.ONE_MINUS_SRC_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.SRC_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.ONE_MINUS_SRC_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.DST_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.ONE_MINUS_DST_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.DST_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.ONE_MINUS_DST_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.SRC_ALPHA_SATURATE;
+
+/** @type {number} */
+WebGLRenderingContextBase.FUNC_ADD;
+
+/** @type {number} */
+WebGLRenderingContextBase.BLEND_EQUATION;
+
+/** @type {number} */
+WebGLRenderingContextBase.BLEND_EQUATION_RGB;
+
+/** @type {number} */
+WebGLRenderingContextBase.BLEND_EQUATION_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.FUNC_SUBTRACT;
+
+/** @type {number} */
+WebGLRenderingContextBase.FUNC_REVERSE_SUBTRACT;
+
+/** @type {number} */
+WebGLRenderingContextBase.BLEND_DST_RGB;
+
+/** @type {number} */
+WebGLRenderingContextBase.BLEND_SRC_RGB;
+
+/** @type {number} */
+WebGLRenderingContextBase.BLEND_DST_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.BLEND_SRC_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.CONSTANT_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.ONE_MINUS_CONSTANT_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.CONSTANT_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.ONE_MINUS_CONSTANT_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.BLEND_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.ARRAY_BUFFER;
+
+/** @type {number} */
+WebGLRenderingContextBase.ELEMENT_ARRAY_BUFFER;
+
+/** @type {number} */
+WebGLRenderingContextBase.ARRAY_BUFFER_BINDING;
+
+/** @type {number} */
+WebGLRenderingContextBase.ELEMENT_ARRAY_BUFFER_BINDING;
+
+/** @type {number} */
+WebGLRenderingContextBase.STREAM_DRAW;
+
+/** @type {number} */
+WebGLRenderingContextBase.STATIC_DRAW;
+
+/** @type {number} */
+WebGLRenderingContextBase.DYNAMIC_DRAW;
+
+/** @type {number} */
+WebGLRenderingContextBase.BUFFER_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.BUFFER_USAGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.CURRENT_VERTEX_ATTRIB;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRONT;
+
+/** @type {number} */
+WebGLRenderingContextBase.BACK;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRONT_AND_BACK;
+
+/** @type {number} */
+WebGLRenderingContextBase.CULL_FACE;
+
+/** @type {number} */
+WebGLRenderingContextBase.BLEND;
+
+/** @type {number} */
+WebGLRenderingContextBase.DITHER;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_TEST;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_TEST;
+
+/** @type {number} */
+WebGLRenderingContextBase.SCISSOR_TEST;
+
+/** @type {number} */
+WebGLRenderingContextBase.POLYGON_OFFSET_FILL;
+
+/** @type {number} */
+WebGLRenderingContextBase.SAMPLE_ALPHA_TO_COVERAGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.SAMPLE_COVERAGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.NO_ERROR;
+
+/** @type {number} */
+WebGLRenderingContextBase.INVALID_ENUM;
+
+/** @type {number} */
+WebGLRenderingContextBase.INVALID_VALUE;
+
+/** @type {number} */
+WebGLRenderingContextBase.INVALID_OPERATION;
+
+/** @type {number} */
+WebGLRenderingContextBase.OUT_OF_MEMORY;
+
+/** @type {number} */
+WebGLRenderingContextBase.CW;
+
+/** @type {number} */
+WebGLRenderingContextBase.CCW;
+
+/** @type {number} */
+WebGLRenderingContextBase.LINE_WIDTH;
+
+/** @type {number} */
+WebGLRenderingContextBase.ALIASED_POINT_SIZE_RANGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.ALIASED_LINE_WIDTH_RANGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.CULL_FACE_MODE;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRONT_FACE;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_RANGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_WRITEMASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_CLEAR_VALUE;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_FUNC;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_CLEAR_VALUE;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_FUNC;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_FAIL;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_PASS_DEPTH_FAIL;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_PASS_DEPTH_PASS;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_REF;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_VALUE_MASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_WRITEMASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_BACK_FUNC;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_BACK_FAIL;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_BACK_PASS_DEPTH_FAIL;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_BACK_PASS_DEPTH_PASS;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_BACK_REF;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_BACK_VALUE_MASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_BACK_WRITEMASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.VIEWPORT;
+
+/** @type {number} */
+WebGLRenderingContextBase.SCISSOR_BOX;
+
+/** @type {number} */
+WebGLRenderingContextBase.COLOR_CLEAR_VALUE;
+
+/** @type {number} */
+WebGLRenderingContextBase.COLOR_WRITEMASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.UNPACK_ALIGNMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.PACK_ALIGNMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.MAX_TEXTURE_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.MAX_VIEWPORT_DIMS;
+
+/** @type {number} */
+WebGLRenderingContextBase.SUBPIXEL_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.RED_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.GREEN_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.BLUE_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.ALPHA_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.POLYGON_OFFSET_UNITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.POLYGON_OFFSET_FACTOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_BINDING_2D;
+
+/** @type {number} */
+WebGLRenderingContextBase.SAMPLE_BUFFERS;
+
+/** @type {number} */
+WebGLRenderingContextBase.SAMPLES;
+
+/** @type {number} */
+WebGLRenderingContextBase.SAMPLE_COVERAGE_VALUE;
+
+/** @type {number} */
+WebGLRenderingContextBase.SAMPLE_COVERAGE_INVERT;
+
+/** @type {number} */
+WebGLRenderingContextBase.COMPRESSED_TEXTURE_FORMATS;
+
+/** @type {number} */
+WebGLRenderingContextBase.DONT_CARE;
+
+/** @type {number} */
+WebGLRenderingContextBase.FASTEST;
+
+/** @type {number} */
+WebGLRenderingContextBase.NICEST;
+
+/** @type {number} */
+WebGLRenderingContextBase.GENERATE_MIPMAP_HINT;
+
+/** @type {number} */
+WebGLRenderingContextBase.BYTE;
+
+/** @type {number} */
+WebGLRenderingContextBase.UNSIGNED_BYTE;
+
+/** @type {number} */
+WebGLRenderingContextBase.SHORT;
+
+/** @type {number} */
+WebGLRenderingContextBase.UNSIGNED_SHORT;
+
+/** @type {number} */
+WebGLRenderingContextBase.INT;
+
+/** @type {number} */
+WebGLRenderingContextBase.UNSIGNED_INT;
+
+/** @type {number} */
+WebGLRenderingContextBase.FLOAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_COMPONENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.RGB;
+
+/** @type {number} */
+WebGLRenderingContextBase.RGBA;
+
+/** @type {number} */
+WebGLRenderingContextBase.LUMINANCE;
+
+/** @type {number} */
+WebGLRenderingContextBase.LUMINANCE_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.UNSIGNED_SHORT_4_4_4_4;
+
+/** @type {number} */
+WebGLRenderingContextBase.UNSIGNED_SHORT_5_5_5_1;
+
+/** @type {number} */
+WebGLRenderingContextBase.UNSIGNED_SHORT_5_6_5;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAGMENT_SHADER;
+
+/** @type {number} */
+WebGLRenderingContextBase.VERTEX_SHADER;
+
+/** @type {number} */
+WebGLRenderingContextBase.MAX_VERTEX_ATTRIBS;
+
+/** @type {number} */
+WebGLRenderingContextBase.MAX_VERTEX_UNIFORM_VECTORS;
+
+/** @type {number} */
+WebGLRenderingContextBase.MAX_VARYING_VECTORS;
+
+/** @type {number} */
+WebGLRenderingContextBase.MAX_COMBINED_TEXTURE_IMAGE_UNITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.MAX_VERTEX_TEXTURE_IMAGE_UNITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.MAX_TEXTURE_IMAGE_UNITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.MAX_FRAGMENT_UNIFORM_VECTORS;
+
+/** @type {number} */
+WebGLRenderingContextBase.SHADER_TYPE;
+
+/** @type {number} */
+WebGLRenderingContextBase.DELETE_STATUS;
+
+/** @type {number} */
+WebGLRenderingContextBase.LINK_STATUS;
+
+/** @type {number} */
+WebGLRenderingContextBase.VALIDATE_STATUS;
+
+/** @type {number} */
+WebGLRenderingContextBase.ATTACHED_SHADERS;
+
+/** @type {number} */
+WebGLRenderingContextBase.ACTIVE_UNIFORMS;
+
+/** @type {number} */
+WebGLRenderingContextBase.ACTIVE_ATTRIBUTES;
+
+/** @type {number} */
+WebGLRenderingContextBase.SHADING_LANGUAGE_VERSION;
+
+/** @type {number} */
+WebGLRenderingContextBase.CURRENT_PROGRAM;
+
+/** @type {number} */
+WebGLRenderingContextBase.NEVER;
+
+/** @type {number} */
+WebGLRenderingContextBase.LESS;
+
+/** @type {number} */
+WebGLRenderingContextBase.EQUAL;
+
+/** @type {number} */
+WebGLRenderingContextBase.LEQUAL;
+
+/** @type {number} */
+WebGLRenderingContextBase.GREATER;
+
+/** @type {number} */
+WebGLRenderingContextBase.NOTEQUAL;
+
+/** @type {number} */
+WebGLRenderingContextBase.GEQUAL;
+
+/** @type {number} */
+WebGLRenderingContextBase.ALWAYS;
+
+/** @type {number} */
+WebGLRenderingContextBase.KEEP;
+
+/** @type {number} */
+WebGLRenderingContextBase.REPLACE;
+
+/** @type {number} */
+WebGLRenderingContextBase.INCR;
+
+/** @type {number} */
+WebGLRenderingContextBase.DECR;
+
+/** @type {number} */
+WebGLRenderingContextBase.INVERT;
+
+/** @type {number} */
+WebGLRenderingContextBase.INCR_WRAP;
+
+/** @type {number} */
+WebGLRenderingContextBase.DECR_WRAP;
+
+/** @type {number} */
+WebGLRenderingContextBase.VENDOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERER;
+
+/** @type {number} */
+WebGLRenderingContextBase.VERSION;
+
+/** @type {number} */
+WebGLRenderingContextBase.NEAREST;
+
+/** @type {number} */
+WebGLRenderingContextBase.LINEAR;
+
+/** @type {number} */
+WebGLRenderingContextBase.NEAREST_MIPMAP_NEAREST;
+
+/** @type {number} */
+WebGLRenderingContextBase.LINEAR_MIPMAP_NEAREST;
+
+/** @type {number} */
+WebGLRenderingContextBase.NEAREST_MIPMAP_LINEAR;
+
+/** @type {number} */
+WebGLRenderingContextBase.LINEAR_MIPMAP_LINEAR;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_MAG_FILTER;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_MIN_FILTER;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_WRAP_S;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_WRAP_T;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_2D;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_CUBE_MAP;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_BINDING_CUBE_MAP;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_CUBE_MAP_POSITIVE_X;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_CUBE_MAP_NEGATIVE_X;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_CUBE_MAP_POSITIVE_Y;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_CUBE_MAP_NEGATIVE_Y;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_CUBE_MAP_POSITIVE_Z;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE_CUBE_MAP_NEGATIVE_Z;
+
+/** @type {number} */
+WebGLRenderingContextBase.MAX_CUBE_MAP_TEXTURE_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE0;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE1;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE2;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE3;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE4;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE5;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE6;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE7;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE8;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE9;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE10;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE11;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE12;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE13;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE14;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE15;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE16;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE17;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE18;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE19;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE20;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE21;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE22;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE23;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE24;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE25;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE26;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE27;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE28;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE29;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE30;
+
+/** @type {number} */
+WebGLRenderingContextBase.TEXTURE31;
+
+/** @type {number} */
+WebGLRenderingContextBase.ACTIVE_TEXTURE;
+
+/** @type {number} */
+WebGLRenderingContextBase.REPEAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.CLAMP_TO_EDGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.MIRRORED_REPEAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.FLOAT_VEC2;
+
+/** @type {number} */
+WebGLRenderingContextBase.FLOAT_VEC3;
+
+/** @type {number} */
+WebGLRenderingContextBase.FLOAT_VEC4;
+
+/** @type {number} */
+WebGLRenderingContextBase.INT_VEC2;
+
+/** @type {number} */
+WebGLRenderingContextBase.INT_VEC3;
+
+/** @type {number} */
+WebGLRenderingContextBase.INT_VEC4;
+
+/** @type {number} */
+WebGLRenderingContextBase.BOOL;
+
+/** @type {number} */
+WebGLRenderingContextBase.BOOL_VEC2;
+
+/** @type {number} */
+WebGLRenderingContextBase.BOOL_VEC3;
+
+/** @type {number} */
+WebGLRenderingContextBase.BOOL_VEC4;
+
+/** @type {number} */
+WebGLRenderingContextBase.FLOAT_MAT2;
+
+/** @type {number} */
+WebGLRenderingContextBase.FLOAT_MAT3;
+
+/** @type {number} */
+WebGLRenderingContextBase.FLOAT_MAT4;
+
+/** @type {number} */
+WebGLRenderingContextBase.SAMPLER_2D;
+
+/** @type {number} */
+WebGLRenderingContextBase.SAMPLER_CUBE;
+
+/** @type {number} */
+WebGLRenderingContextBase.VERTEX_ATTRIB_ARRAY_ENABLED;
+
+/** @type {number} */
+WebGLRenderingContextBase.VERTEX_ATTRIB_ARRAY_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.VERTEX_ATTRIB_ARRAY_STRIDE;
+
+/** @type {number} */
+WebGLRenderingContextBase.VERTEX_ATTRIB_ARRAY_TYPE;
+
+/** @type {number} */
+WebGLRenderingContextBase.VERTEX_ATTRIB_ARRAY_NORMALIZED;
+
+/** @type {number} */
+WebGLRenderingContextBase.VERTEX_ATTRIB_ARRAY_POINTER;
+
+/** @type {number} */
+WebGLRenderingContextBase.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING;
+
+/** @type {number} */
+WebGLRenderingContextBase.IMPLEMENTATION_COLOR_READ_TYPE;
+
+/** @type {number} */
+WebGLRenderingContextBase.IMPLEMENTATION_COLOR_READ_FORMAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.COMPILE_STATUS;
+
+/** @type {number} */
+WebGLRenderingContextBase.LOW_FLOAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.MEDIUM_FLOAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.HIGH_FLOAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.LOW_INT;
+
+/** @type {number} */
+WebGLRenderingContextBase.MEDIUM_INT;
+
+/** @type {number} */
+WebGLRenderingContextBase.HIGH_INT;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAMEBUFFER;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERBUFFER;
+
+/** @type {number} */
+WebGLRenderingContextBase.RGBA4;
+
+/** @type {number} */
+WebGLRenderingContextBase.RGB5_A1;
+
+/** @type {number} */
+WebGLRenderingContextBase.RGB565;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_COMPONENT16;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_INDEX;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_INDEX8;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_STENCIL;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERBUFFER_WIDTH;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERBUFFER_HEIGHT;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERBUFFER_INTERNAL_FORMAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERBUFFER_RED_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERBUFFER_GREEN_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERBUFFER_BLUE_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERBUFFER_ALPHA_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERBUFFER_DEPTH_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERBUFFER_STENCIL_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE;
+
+/** @type {number} */
+WebGLRenderingContextBase.COLOR_ATTACHMENT0;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_ATTACHMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.STENCIL_ATTACHMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.DEPTH_STENCIL_ATTACHMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.NONE;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAMEBUFFER_COMPLETE;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAMEBUFFER_INCOMPLETE_DIMENSIONS;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAMEBUFFER_UNSUPPORTED;
+
+/** @type {number} */
+WebGLRenderingContextBase.FRAMEBUFFER_BINDING;
+
+/** @type {number} */
+WebGLRenderingContextBase.RENDERBUFFER_BINDING;
+
+/** @type {number} */
+WebGLRenderingContextBase.MAX_RENDERBUFFER_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.INVALID_FRAMEBUFFER_OPERATION;
+
+/** @type {number} */
+WebGLRenderingContextBase.UNPACK_FLIP_Y_WEBGL;
+
+/** @type {number} */
+WebGLRenderingContextBase.UNPACK_PREMULTIPLY_ALPHA_WEBGL;
+
+/** @type {number} */
+WebGLRenderingContextBase.CONTEXT_LOST_WEBGL;
+
+/** @type {number} */
+WebGLRenderingContextBase.UNPACK_COLORSPACE_CONVERSION_WEBGL;
+
+/** @type {number} */
+WebGLRenderingContextBase.BROWSER_DEFAULT_WEBGL;
+
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_BUFFER_BIT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_BUFFER_BIT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.COLOR_BUFFER_BIT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.POINTS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LINES;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LINE_LOOP;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LINE_STRIP;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TRIANGLES;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TRIANGLE_STRIP;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TRIANGLE_FAN;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ZERO;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ONE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SRC_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ONE_MINUS_SRC_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SRC_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ONE_MINUS_SRC_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DST_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ONE_MINUS_DST_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DST_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ONE_MINUS_DST_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SRC_ALPHA_SATURATE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FUNC_ADD;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BLEND_EQUATION;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BLEND_EQUATION_RGB;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BLEND_EQUATION_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FUNC_SUBTRACT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FUNC_REVERSE_SUBTRACT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BLEND_DST_RGB;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BLEND_SRC_RGB;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BLEND_DST_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BLEND_SRC_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.CONSTANT_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ONE_MINUS_CONSTANT_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.CONSTANT_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ONE_MINUS_CONSTANT_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BLEND_COLOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ARRAY_BUFFER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ELEMENT_ARRAY_BUFFER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ARRAY_BUFFER_BINDING;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ELEMENT_ARRAY_BUFFER_BINDING;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STREAM_DRAW;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STATIC_DRAW;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DYNAMIC_DRAW;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BUFFER_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BUFFER_USAGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.CURRENT_VERTEX_ATTRIB;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRONT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BACK;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRONT_AND_BACK;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.CULL_FACE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BLEND;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DITHER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_TEST;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_TEST;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SCISSOR_TEST;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.POLYGON_OFFSET_FILL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SAMPLE_ALPHA_TO_COVERAGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SAMPLE_COVERAGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.NO_ERROR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.INVALID_ENUM;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.INVALID_VALUE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.INVALID_OPERATION;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.OUT_OF_MEMORY;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.CW;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.CCW;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LINE_WIDTH;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ALIASED_POINT_SIZE_RANGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ALIASED_LINE_WIDTH_RANGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.CULL_FACE_MODE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRONT_FACE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_RANGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_WRITEMASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_CLEAR_VALUE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_FUNC;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_CLEAR_VALUE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_FUNC;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_FAIL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_PASS_DEPTH_FAIL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_PASS_DEPTH_PASS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_REF;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_VALUE_MASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_WRITEMASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_BACK_FUNC;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_BACK_FAIL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_BACK_PASS_DEPTH_FAIL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_BACK_PASS_DEPTH_PASS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_BACK_REF;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_BACK_VALUE_MASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_BACK_WRITEMASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VIEWPORT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SCISSOR_BOX;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.COLOR_CLEAR_VALUE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.COLOR_WRITEMASK;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.UNPACK_ALIGNMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.PACK_ALIGNMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MAX_TEXTURE_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MAX_VIEWPORT_DIMS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SUBPIXEL_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RED_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.GREEN_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BLUE_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ALPHA_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_BITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.POLYGON_OFFSET_UNITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.POLYGON_OFFSET_FACTOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_BINDING_2D;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SAMPLE_BUFFERS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SAMPLES;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SAMPLE_COVERAGE_VALUE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SAMPLE_COVERAGE_INVERT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.COMPRESSED_TEXTURE_FORMATS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DONT_CARE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FASTEST;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.NICEST;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.GENERATE_MIPMAP_HINT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BYTE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.UNSIGNED_BYTE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SHORT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.UNSIGNED_SHORT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.INT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.UNSIGNED_INT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FLOAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_COMPONENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RGB;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RGBA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LUMINANCE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LUMINANCE_ALPHA;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.UNSIGNED_SHORT_4_4_4_4;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.UNSIGNED_SHORT_5_5_5_1;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.UNSIGNED_SHORT_5_6_5;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAGMENT_SHADER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VERTEX_SHADER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MAX_VERTEX_ATTRIBS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MAX_VERTEX_UNIFORM_VECTORS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MAX_VARYING_VECTORS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MAX_COMBINED_TEXTURE_IMAGE_UNITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MAX_VERTEX_TEXTURE_IMAGE_UNITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MAX_TEXTURE_IMAGE_UNITS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MAX_FRAGMENT_UNIFORM_VECTORS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SHADER_TYPE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DELETE_STATUS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LINK_STATUS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VALIDATE_STATUS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ATTACHED_SHADERS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ACTIVE_UNIFORMS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ACTIVE_ATTRIBUTES;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SHADING_LANGUAGE_VERSION;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.CURRENT_PROGRAM;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.NEVER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LESS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.EQUAL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LEQUAL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.GREATER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.NOTEQUAL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.GEQUAL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ALWAYS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.KEEP;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.REPLACE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.INCR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DECR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.INVERT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.INCR_WRAP;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DECR_WRAP;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VENDOR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VERSION;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.NEAREST;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LINEAR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.NEAREST_MIPMAP_NEAREST;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LINEAR_MIPMAP_NEAREST;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.NEAREST_MIPMAP_LINEAR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LINEAR_MIPMAP_LINEAR;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_MAG_FILTER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_MIN_FILTER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_WRAP_S;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_WRAP_T;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_2D;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_CUBE_MAP;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_BINDING_CUBE_MAP;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_CUBE_MAP_POSITIVE_X;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_CUBE_MAP_NEGATIVE_X;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_CUBE_MAP_POSITIVE_Y;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_CUBE_MAP_NEGATIVE_Y;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_CUBE_MAP_POSITIVE_Z;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE_CUBE_MAP_NEGATIVE_Z;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MAX_CUBE_MAP_TEXTURE_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE0;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE1;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE2;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE3;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE4;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE5;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE6;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE7;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE8;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE9;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE10;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE11;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE12;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE13;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE14;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE15;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE16;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE17;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE18;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE19;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE20;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE21;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE22;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE23;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE24;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE25;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE26;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE27;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE28;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE29;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE30;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.TEXTURE31;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.ACTIVE_TEXTURE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.REPEAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.CLAMP_TO_EDGE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MIRRORED_REPEAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FLOAT_VEC2;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FLOAT_VEC3;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FLOAT_VEC4;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.INT_VEC2;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.INT_VEC3;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.INT_VEC4;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BOOL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BOOL_VEC2;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BOOL_VEC3;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BOOL_VEC4;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FLOAT_MAT2;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FLOAT_MAT3;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FLOAT_MAT4;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SAMPLER_2D;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.SAMPLER_CUBE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VERTEX_ATTRIB_ARRAY_ENABLED;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VERTEX_ATTRIB_ARRAY_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VERTEX_ATTRIB_ARRAY_STRIDE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VERTEX_ATTRIB_ARRAY_TYPE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VERTEX_ATTRIB_ARRAY_NORMALIZED;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VERTEX_ATTRIB_ARRAY_POINTER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.IMPLEMENTATION_COLOR_READ_TYPE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.IMPLEMENTATION_COLOR_READ_FORMAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.COMPILE_STATUS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LOW_FLOAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MEDIUM_FLOAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.HIGH_FLOAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.LOW_INT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MEDIUM_INT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.HIGH_INT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAMEBUFFER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERBUFFER;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RGBA4;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RGB5_A1;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RGB565;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_COMPONENT16;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_INDEX;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_INDEX8;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_STENCIL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERBUFFER_WIDTH;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERBUFFER_HEIGHT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERBUFFER_INTERNAL_FORMAT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERBUFFER_RED_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERBUFFER_GREEN_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERBUFFER_BLUE_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERBUFFER_ALPHA_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERBUFFER_DEPTH_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERBUFFER_STENCIL_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.COLOR_ATTACHMENT0;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_ATTACHMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.STENCIL_ATTACHMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.DEPTH_STENCIL_ATTACHMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.NONE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAMEBUFFER_COMPLETE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAMEBUFFER_INCOMPLETE_DIMENSIONS;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAMEBUFFER_UNSUPPORTED;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.FRAMEBUFFER_BINDING;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.RENDERBUFFER_BINDING;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.MAX_RENDERBUFFER_SIZE;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.INVALID_FRAMEBUFFER_OPERATION;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.UNPACK_FLIP_Y_WEBGL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.UNPACK_PREMULTIPLY_ALPHA_WEBGL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.CONTEXT_LOST_WEBGL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.UNPACK_COLORSPACE_CONVERSION_WEBGL;
+
+/** @type {number} */
+WebGLRenderingContextBase.prototype.BROWSER_DEFAULT_WEBGL;
+
+
+/**
+ * @type {!HTMLCanvasElement}
+ */
+WebGLRenderingContextBase.prototype.canvas;
+
+/**
+ * @type {number}
+ */
+WebGLRenderingContextBase.prototype.drawingBufferWidth;
+
+/**
+ * @type {number}
+ */
+WebGLRenderingContextBase.prototype.drawingBufferHeight;
+
+/**
+ * @return {!WebGLContextAttributes}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getContextAttributes = function() {};
+
+/**
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.isContextLost = function() {};
+
+/**
+ * @return {!Array.<string>}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getSupportedExtensions = function() {};
+
+/**
+ * Note that this has side effects by enabling the extension even if the
+ * result is not used.
+ * @param {string} name
+ * @return {Object}
+ */
+WebGLRenderingContextBase.prototype.getExtension = function(name) {};
+
+/**
+ * @param {number} texture
+ */
+WebGLRenderingContextBase.prototype.activeTexture = function(texture) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {WebGLShader} shader
+ */
+WebGLRenderingContextBase.prototype.attachShader = function(program, shader) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {number} index
+ * @param {string} name
+ */
+WebGLRenderingContextBase.prototype.bindAttribLocation = function(
+ program, index, name) {};
+
+/**
+ * @param {number} target
+ * @param {WebGLBuffer} buffer
+ */
+WebGLRenderingContextBase.prototype.bindBuffer = function(target, buffer) {};
+
+/**
+ * @param {number} target
+ * @param {WebGLFramebuffer} buffer
+ */
+WebGLRenderingContextBase.prototype.bindFramebuffer = function(target, buffer) {};
+
+/**
+ * @param {number} target
+ * @param {WebGLRenderbuffer} buffer
+ */
+WebGLRenderingContextBase.prototype.bindRenderbuffer = function(target, buffer) {};
+
+/**
+ * @param {number} target
+ * @param {WebGLTexture} texture
+ */
+WebGLRenderingContextBase.prototype.bindTexture = function(target, texture) {};
+
+/**
+ * @param {number} red
+ * @param {number} green
+ * @param {number} blue
+ * @param {number} alpha
+ */
+WebGLRenderingContextBase.prototype.blendColor = function(
+ red, blue, green, alpha) {};
+
+/**
+ * @param {number} mode
+ */
+WebGLRenderingContextBase.prototype.blendEquation = function(mode) {};
+
+/**
+ * @param {number} modeRGB
+ * @param {number} modeAlpha
+ */
+WebGLRenderingContextBase.prototype.blendEquationSeparate = function(
+ modeRGB, modeAlpha) {};
+
+/**
+ * @param {number} sfactor
+ * @param {number} dfactor
+ */
+WebGLRenderingContextBase.prototype.blendFunc = function(sfactor, dfactor) {};
+
+/**
+ * @param {number} srcRGB
+ * @param {number} dstRGB
+ * @param {number} srcAlpha
+ * @param {number} dstAlpha
+ */
+WebGLRenderingContextBase.prototype.blendFuncSeparate = function(
+ srcRGB, dstRGB, srcAlpha, dstAlpha) {};
+
+/**
+ * @param {number} target
+ * @param {ArrayBufferView|ArrayBuffer|number} data
+ * @param {number} usage
+ */
+WebGLRenderingContextBase.prototype.bufferData = function(target, data, usage) {};
+
+/**
+ * @param {number} target
+ * @param {number} offset
+ * @param {ArrayBufferView|ArrayBuffer} data
+ */
+WebGLRenderingContextBase.prototype.bufferSubData = function(
+ target, offset, data) {};
+
+/**
+ * @param {number} target
+ * @return {number}
+ */
+WebGLRenderingContextBase.prototype.checkFramebufferStatus = function(target) {};
+
+/**
+ * @param {number} mask
+ */
+WebGLRenderingContextBase.prototype.clear = function(mask) {};
+
+/**
+ * @param {number} red
+ * @param {number} green
+ * @param {number} blue
+ * @param {number} alpha
+ */
+WebGLRenderingContextBase.prototype.clearColor = function(
+ red, green, blue, alpha) {};
+
+/**
+ * @param {number} depth
+ */
+WebGLRenderingContextBase.prototype.clearDepth = function(depth) {};
+
+/**
+ * @param {number} s
+ */
+WebGLRenderingContextBase.prototype.clearStencil = function(s) {};
+
+/**
+ * @param {boolean} red
+ * @param {boolean} green
+ * @param {boolean} blue
+ * @param {boolean} alpha
+ */
+WebGLRenderingContextBase.prototype.colorMask = function(
+ red, green, blue, alpha) {};
+
+/**
+ * @param {WebGLShader} shader
+ */
+WebGLRenderingContextBase.prototype.compileShader = function(shader) {};
+
+/**
+ * @param {number} target
+ * @param {number} level
+ * @param {number} internalformat
+ * @param {number} width
+ * @param {number} height
+ * @param {number} border
+ * @param {ArrayBufferView} data
+ */
+WebGLRenderingContextBase.prototype.compressedTexImage2D = function(
+ target, level, internalformat, width, height, border, data) {};
+
+/**
+ * @param {number} target
+ * @param {number} level
+ * @param {number} xoffset
+ * @param {number} yoffset
+ * @param {number} width
+ * @param {number} height
+ * @param {number} format
+ * @param {ArrayBufferView} data
+ */
+WebGLRenderingContextBase.prototype.compressedTexSubImage2D = function(
+ target, level, xoffset, yoffset, width, height, format, data) {};
+
+/**
+ * @param {number} target
+ * @param {number} level
+ * @param {number} format
+ * @param {number} x
+ * @param {number} y
+ * @param {number} width
+ * @param {number} height
+ * @param {number} border
+ */
+WebGLRenderingContextBase.prototype.copyTexImage2D = function(
+ target, level, format, x, y, width, height, border) {};
+
+/**
+ * @param {number} target
+ * @param {number} level
+ * @param {number} xoffset
+ * @param {number} yoffset
+ * @param {number} x
+ * @param {number} y
+ * @param {number} width
+ * @param {number} height
+ */
+WebGLRenderingContextBase.prototype.copyTexSubImage2D = function(
+ target, level, xoffset, yoffset, x, y, width, height) {};
+
+/**
+ * @return {!WebGLBuffer}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.createBuffer = function() {};
+
+/**
+ * @return {!WebGLFramebuffer}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.createFramebuffer = function() {};
+
+/**
+ * @return {!WebGLProgram}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.createProgram = function() {};
+
+/**
+ * @return {!WebGLRenderbuffer}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.createRenderbuffer = function() {};
+
+/**
+ * @param {number} type
+ * @return {!WebGLShader}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.createShader = function(type) {};
+
+/**
+ * @return {!WebGLTexture}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.createTexture = function() {};
+
+/**
+ * @param {number} mode
+ */
+WebGLRenderingContextBase.prototype.cullFace = function(mode) {};
+
+/**
+ * @param {WebGLBuffer} buffer
+ */
+WebGLRenderingContextBase.prototype.deleteBuffer = function(buffer) {};
+
+/**
+ * @param {WebGLFramebuffer} buffer
+ */
+WebGLRenderingContextBase.prototype.deleteFramebuffer = function(buffer) {};
+
+/**
+ * @param {WebGLProgram} program
+ */
+WebGLRenderingContextBase.prototype.deleteProgram = function(program) {};
+
+/**
+ * @param {WebGLRenderbuffer} buffer
+ */
+WebGLRenderingContextBase.prototype.deleteRenderbuffer = function(buffer) {};
+
+/**
+ * @param {WebGLShader} shader
+ */
+WebGLRenderingContextBase.prototype.deleteShader = function(shader) {};
+
+/**
+ * @param {WebGLTexture} texture
+ */
+WebGLRenderingContextBase.prototype.deleteTexture = function(texture) {};
+
+/**
+ * @param {number} func
+ */
+WebGLRenderingContextBase.prototype.depthFunc = function(func) {};
+
+/**
+ * @param {boolean} flag
+ */
+WebGLRenderingContextBase.prototype.depthMask = function(flag) {};
+
+/**
+ * @param {number} nearVal
+ * @param {number} farVal
+ */
+WebGLRenderingContextBase.prototype.depthRange = function(nearVal, farVal) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {WebGLShader} shader
+ */
+WebGLRenderingContextBase.prototype.detachShader = function(program, shader) {};
+
+/**
+ * @param {number} flags
+ */
+WebGLRenderingContextBase.prototype.disable = function(flags) {};
+
+/**
+ * @param {number} index
+ */
+WebGLRenderingContextBase.prototype.disableVertexAttribArray = function(
+ index) {};
+
+/**
+ * @param {number} mode
+ * @param {number} first
+ * @param {number} count
+ */
+WebGLRenderingContextBase.prototype.drawArrays = function(mode, first, count) {};
+
+/**
+ * @param {number} mode
+ * @param {number} count
+ * @param {number} type
+ * @param {number} offset
+ */
+WebGLRenderingContextBase.prototype.drawElements = function(
+ mode, count, type, offset) {};
+
+/**
+ * @param {number} cap
+ */
+WebGLRenderingContextBase.prototype.enable = function(cap) {};
+
+/**
+ * @param {number} index
+ */
+WebGLRenderingContextBase.prototype.enableVertexAttribArray = function(
+ index) {};
+
+WebGLRenderingContextBase.prototype.finish = function() {};
+
+WebGLRenderingContextBase.prototype.flush = function() {};
+
+/**
+ * @param {number} target
+ * @param {number} attachment
+ * @param {number} renderbuffertarget
+ * @param {WebGLRenderbuffer} renderbuffer
+ */
+WebGLRenderingContextBase.prototype.framebufferRenderbuffer = function(
+ target, attachment, renderbuffertarget, renderbuffer) {};
+
+/**
+ * @param {number} target
+ * @param {number} attachment
+ * @param {number} textarget
+ * @param {WebGLTexture} texture
+ * @param {number} level
+ */
+WebGLRenderingContextBase.prototype.framebufferTexture2D = function(
+ target, attachment, textarget, texture, level) {};
+
+/**
+ * @param {number} mode
+ */
+WebGLRenderingContextBase.prototype.frontFace = function(mode) {};
+
+/**
+ * @param {number} target
+ */
+WebGLRenderingContextBase.prototype.generateMipmap = function(target) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {number} index
+ * @return {WebGLActiveInfo}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getActiveAttrib = function(program, index) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {number} index
+ * @return {WebGLActiveInfo}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getActiveUniform = function(program, index) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @return {!Array.<WebGLShader>}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getAttachedShaders = function(program) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {string} name
+ * @return {number}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getAttribLocation = function(program, name) {};
+
+/**
+ * @param {number} target
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getBufferParameter = function(target, pname) {};
+
+/**
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getParameter = function(pname) {};
+
+/**
+ * @return {number}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getError = function() {};
+
+/**
+ * @param {number} target
+ * @param {number} attachment
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getFramebufferAttachmentParameter = function(
+ target, attachment, pname) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getProgramParameter = function(
+ program, pname) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @return {string}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getProgramInfoLog = function(program) {};
+
+/**
+ * @param {number} target
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getRenderbufferParameter = function(
+ target, pname) {};
+
+/**
+ * @param {WebGLShader} shader
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getShaderParameter = function(shader, pname) {};
+
+/**
+ * @param {number} shadertype
+ * @param {number} precisiontype
+ * @return {WebGLShaderPrecisionFormat}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getShaderPrecisionFormat = function(shadertype,
+ precisiontype) {};
+
+/**
+ * @param {WebGLShader} shader
+ * @return {string}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getShaderInfoLog = function(shader) {};
+
+/**
+ * @param {WebGLShader} shader
+ * @return {string}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getShaderSource = function(shader) {};
+
+/**
+ * @param {number} target
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getTexParameter = function(target, pname) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {WebGLUniformLocation} location
+ * @return {*}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getUniform = function(program, location) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {string} name
+ * @return {WebGLUniformLocation}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getUniformLocation = function(program, name) {};
+
+/**
+ * @param {number} index
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getVertexAttrib = function(index, pname) {};
+
+/**
+ * @param {number} index
+ * @param {number} pname
+ * @return {number}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.getVertexAttribOffset = function(
+ index, pname) {};
+
+/**
+ * @param {number} target
+ * @param {number} mode
+ */
+WebGLRenderingContextBase.prototype.hint = function(target, mode) {};
+
+/**
+ * @param {WebGLObject} buffer
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.isBuffer = function(buffer) {};
+
+/**
+ * @param {number} cap
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.isEnabled = function(cap) {};
+
+/**
+ * @param {WebGLObject} framebuffer
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.isFramebuffer = function(framebuffer) {};
+
+/**
+ * @param {WebGLObject} program
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.isProgram = function(program) {};
+
+/**
+ * @param {WebGLObject} renderbuffer
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.isRenderbuffer = function(renderbuffer) {};
+
+/**
+ * @param {WebGLObject} shader
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.isShader = function(shader) {};
+
+/**
+ * @param {WebGLObject} texture
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGLRenderingContextBase.prototype.isTexture = function(texture) {};
+
+/**
+ * @param {number} width
+ */
+WebGLRenderingContextBase.prototype.lineWidth = function(width) {};
+
+/**
+ * @param {WebGLProgram} program
+ */
+WebGLRenderingContextBase.prototype.linkProgram = function(program) {};
+
+/**
+ * @param {number} pname
+ * @param {number} param
+ */
+WebGLRenderingContextBase.prototype.pixelStorei = function(pname, param) {};
+
+/**
+ * @param {number} factor
+ * @param {number} units
+ */
+WebGLRenderingContextBase.prototype.polygonOffset = function(factor, units) {};
+
+/**
+ * @param {number} x
+ * @param {number} y
+ * @param {number} width
+ * @param {number} height
+ * @param {number} format
+ * @param {number} type
+ * @param {ArrayBufferView} pixels
+ */
+WebGLRenderingContextBase.prototype.readPixels = function(
+ x, y, width, height, format, type, pixels) {};
+
+/**
+ * @param {number} target
+ * @param {number} internalformat
+ * @param {number} width
+ * @param {number} height
+ */
+WebGLRenderingContextBase.prototype.renderbufferStorage = function(
+ target, internalformat, width, height) {};
+
+/**
+ * @param {number} coverage
+ * @param {boolean} invert
+ */
+WebGLRenderingContextBase.prototype.sampleCoverage = function(coverage, invert) {};
+
+/**
+ * @param {number} x
+ * @param {number} y
+ * @param {number} width
+ * @param {number} height
+ */
+WebGLRenderingContextBase.prototype.scissor = function(x, y, width, height) {};
+
+/**
+ * @param {WebGLShader} shader
+ * @param {string} source
+ */
+WebGLRenderingContextBase.prototype.shaderSource = function(shader, source) {};
+
+/**
+ * @param {number} func
+ * @param {number} ref
+ * @param {number} mask
+ */
+WebGLRenderingContextBase.prototype.stencilFunc = function(func, ref, mask) {};
+
+/**
+ * @param {number} face
+ * @param {number} func
+ * @param {number} ref
+ * @param {number} mask
+ */
+WebGLRenderingContextBase.prototype.stencilFuncSeparate = function(
+ face, func, ref, mask) {};
+
+/**
+ * @param {number} mask
+ */
+WebGLRenderingContextBase.prototype.stencilMask = function(mask) {};
+
+/**
+ * @param {number} face
+ * @param {number} mask
+ */
+WebGLRenderingContextBase.prototype.stencilMaskSeparate = function(face, mask) {};
+
+/**
+ * @param {number} fail
+ * @param {number} zfail
+ * @param {number} zpass
+ */
+WebGLRenderingContextBase.prototype.stencilOp = function(fail, zfail, zpass) {};
+
+/**
+ * @param {number} face
+ * @param {number} fail
+ * @param {number} zfail
+ * @param {number} zpass
+ */
+WebGLRenderingContextBase.prototype.stencilOpSeparate = function(
+ face, fail, zfail, zpass) {};
+
+/**
+ * @param {number} target
+ * @param {number} level
+ * @param {number} internalformat
+ * @param {number} format or width
+ * @param {number} type or height
+ * @param {ImageData|HTMLImageElement|HTMLCanvasElement|HTMLVideoElement|
+ * number} img or border
+ * @param {number=} opt_format
+ * @param {number=} opt_type
+ * @param {ArrayBufferView=} opt_pixels
+ */
+WebGLRenderingContextBase.prototype.texImage2D = function(
+ target, level, internalformat, format, type, img, opt_format, opt_type,
+ opt_pixels) {};
+
+/**
+ * @param {number} target
+ * @param {number} pname
+ * @param {number} param
+ */
+WebGLRenderingContextBase.prototype.texParameterf = function(
+ target, pname, param) {};
+
+/**
+ * @param {number} target
+ * @param {number} pname
+ * @param {number} param
+ */
+WebGLRenderingContextBase.prototype.texParameteri = function(
+ target, pname, param) {};
+
+/**
+ * @param {number} target
+ * @param {number} level
+ * @param {number} xoffset
+ * @param {number} yoffset
+ * @param {number} format or width
+ * @param {number} type or height
+ * @param {ImageData|HTMLImageElement|HTMLCanvasElement|HTMLVideoElement|
+ * number} data or format
+ * @param {number=} opt_type
+ * @param {ArrayBufferView=} opt_pixels
+ */
+WebGLRenderingContextBase.prototype.texSubImage2D = function(
+ target, level, xoffset, yoffset, format, type, data, opt_type,
+ opt_pixels) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} value
+ */
+WebGLRenderingContextBase.prototype.uniform1f = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Float32Array|Array.<number>} value
+ */
+WebGLRenderingContextBase.prototype.uniform1fv = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} value
+ */
+WebGLRenderingContextBase.prototype.uniform1i = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Int32Array|Array.<number>} value
+ */
+WebGLRenderingContextBase.prototype.uniform1iv = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} value1
+ * @param {number} value2
+ */
+WebGLRenderingContextBase.prototype.uniform2f = function(
+ location, value1, value2) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Float32Array|Array.<number>} value
+ */
+WebGLRenderingContextBase.prototype.uniform2fv = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} value1
+ * @param {number} value2
+ */
+WebGLRenderingContextBase.prototype.uniform2i = function(
+ location, value1, value2) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Int32Array|Array.<number>} value
+ */
+WebGLRenderingContextBase.prototype.uniform2iv = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} value1
+ * @param {number} value2
+ * @param {number} value3
+ */
+WebGLRenderingContextBase.prototype.uniform3f = function(
+ location, value1, value2, value3) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Float32Array|Array.<number>} value
+ */
+WebGLRenderingContextBase.prototype.uniform3fv = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} value1
+ * @param {number} value2
+ * @param {number} value3
+ */
+WebGLRenderingContextBase.prototype.uniform3i = function(
+ location, value1, value2, value3) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Int32Array|Array.<number>} value
+ */
+WebGLRenderingContextBase.prototype.uniform3iv = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} value1
+ * @param {number} value2
+ * @param {number} value3
+ * @param {number} value4
+ */
+WebGLRenderingContextBase.prototype.uniform4f = function(
+ location, value1, value2, value3, value4) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Float32Array|Array.<number>} value
+ */
+WebGLRenderingContextBase.prototype.uniform4fv = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} value1
+ * @param {number} value2
+ * @param {number} value3
+ * @param {number} value4
+ */
+WebGLRenderingContextBase.prototype.uniform4i = function(
+ location, value1, value2, value3, value4) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Int32Array|Array.<number>} value
+ */
+WebGLRenderingContextBase.prototype.uniform4iv = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {boolean} transpose
+ * @param {Float32Array|Array.<number>} data
+ */
+WebGLRenderingContextBase.prototype.uniformMatrix2fv = function(
+ location, transpose, data) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {boolean} transpose
+ * @param {Float32Array|Array.<number>} data
+ */
+WebGLRenderingContextBase.prototype.uniformMatrix3fv = function(
+ location, transpose, data) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {boolean} transpose
+ * @param {Float32Array|Array.<number>} data
+ */
+WebGLRenderingContextBase.prototype.uniformMatrix4fv = function(
+ location, transpose, data) {};
+
+/**
+ * @param {WebGLProgram} program
+ */
+WebGLRenderingContextBase.prototype.useProgram = function(program) {};
+
+/**
+ * @param {WebGLProgram} program
+ */
+WebGLRenderingContextBase.prototype.validateProgram = function(program) {};
+
+/**
+ * @param {number} indx
+ * @param {number} x
+ */
+WebGLRenderingContextBase.prototype.vertexAttrib1f = function(indx, x) {};
+
+/**
+ * @param {number} indx
+ * @param {Float32Array|Array.<number>} values
+ */
+WebGLRenderingContextBase.prototype.vertexAttrib1fv = function(indx, values) {};
+
+/**
+ * @param {number} indx
+ * @param {number} x
+ * @param {number} y
+ */
+WebGLRenderingContextBase.prototype.vertexAttrib2f = function(
+ indx, x, y) {};
+
+/**
+ * @param {number} indx
+ * @param {Float32Array|Array.<number>} values
+ */
+WebGLRenderingContextBase.prototype.vertexAttrib2fv = function(
+ indx, values) {};
+
+/**
+ * @param {number} indx
+ * @param {number} x
+ * @param {number} y
+ * @param {number} z
+ */
+WebGLRenderingContextBase.prototype.vertexAttrib3f = function(
+ indx, x, y, z) {};
+
+/**
+ * @param {number} indx
+ * @param {Float32Array|Array.<number>} values
+ */
+WebGLRenderingContextBase.prototype.vertexAttrib3fv = function(indx, values) {};
+
+/**
+ * @param {number} indx
+ * @param {number} x
+ * @param {number} y
+ * @param {number} z
+ * @param {number} w
+ */
+WebGLRenderingContextBase.prototype.vertexAttrib4f = function(
+ indx, x, y, z, w) {};
+
+/**
+ * @param {number} indx
+ * @param {Float32Array|Array.<number>} values
+ */
+WebGLRenderingContextBase.prototype.vertexAttrib4fv = function(indx, values) {};
+
+/**
+ * @param {number} indx
+ * @param {number} size
+ * @param {number} type
+ * @param {boolean} normalized
+ * @param {number} stride
+ * @param {number} offset
+ */
+WebGLRenderingContextBase.prototype.vertexAttribPointer = function(
+ indx, size, type, normalized, stride, offset) {};
+
+/**
+ * @param {number} x
+ * @param {number} y
+ * @param {number} width
+ * @param {number} height
+ */
+WebGLRenderingContextBase.prototype.viewport = function(x, y, width, height) {};
+
+
+/**
+ * @constructor
+ * @noalias
+ */
+function WebGLContextAttributes() {}
+
+/**
+ * @type {boolean}
+ */
+WebGLContextAttributes.prototype.alpha;
+
+/**
+ * @type {boolean}
+ */
+WebGLContextAttributes.prototype.depth;
+
+/**
+ * @type {boolean}
+ */
+WebGLContextAttributes.prototype.stencil;
+
+/**
+ * @type {boolean}
+ */
+WebGLContextAttributes.prototype.antialias;
+
+/**
+ * @type {boolean}
+ */
+WebGLContextAttributes.prototype.premultipliedAlpha;
+
+/**
+ * @type {boolean}
+ */
+WebGLContextAttributes.prototype.preserveDrawingBuffer;
+
+
+/**
+ * @param {string} eventType
+ * @constructor
+ * @noalias
+ * @extends {Event}
+ */
+function WebGLContextEvent(eventType) {}
+
+/**
+ * @type {string}
+ */
+WebGLContextEvent.prototype.statusMessage;
+
+
+/**
+ * @constructor
+ * @noalias
+ */
+function WebGLShaderPrecisionFormat() {}
+
+/**
+ * @type {number}
+ */
+WebGLShaderPrecisionFormat.prototype.rangeMin;
+
+/**
+ * @type {number}
+ */
+WebGLShaderPrecisionFormat.prototype.rangeMax;
+
+/**
+ * @type {number}
+ */
+WebGLShaderPrecisionFormat.prototype.precision;
+
+
+/**
+ * @constructor
+ * @noalias
+ */
+function WebGLObject() {}
+
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLBuffer() {}
+
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLFramebuffer() {}
+
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLProgram() {}
+
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLRenderbuffer() {}
+
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLShader() {}
+
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLTexture() {}
+
+
+/**
+ * @constructor
+ * @noalias
+ */
+function WebGLActiveInfo() {}
+
+/** @type {number} */
+WebGLActiveInfo.prototype.size;
+
+/** @type {number} */
+WebGLActiveInfo.prototype.type;
+
+/** @type {string} */
+WebGLActiveInfo.prototype.name;
+
+
+/**
+ * @constructor
+ * @noalias
+ */
+function WebGLUniformLocation() {}
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/OES_texture_float/
+ * @constructor
+ * @noalias
+ */
+function OES_texture_float() {}
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/OES_texture_half_float/
+ * @constructor
+ * @noalias
+ */
+function OES_texture_half_float() {}
+
+/** @type {number} */
+OES_texture_half_float.prototype.HALF_FLOAT_OES;
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/WEBGL_lose_context/
+ * @constructor
+ * @noalias
+ */
+function WEBGL_lose_context() {}
+
+WEBGL_lose_context.prototype.loseContext = function() {};
+
+WEBGL_lose_context.prototype.restoreContext = function() {};
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/OES_standard_derivatives/
+ * @constructor
+ * @noalias
+ */
+function OES_standard_derivatives() {}
+
+/** @type {number} */
+OES_standard_derivatives.prototype.FRAGMENT_SHADER_DERIVATIVE_HINT_OES;
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/OES_vertex_array_object/
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLVertexArrayObjectOES() {}
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/OES_vertex_array_object/
+ * @constructor
+ * @noalias
+ */
+function OES_vertex_array_object() {}
+
+/** @type {number} */
+OES_vertex_array_object.prototype.VERTEX_ARRAY_BINDING_OES;
+
+/**
+ * @return {WebGLVertexArrayObjectOES}
+ * @nosideeffects
+ */
+OES_vertex_array_object.prototype.createVertexArrayOES = function() {};
+
+/**
+ * @param {WebGLVertexArrayObjectOES} arrayObject
+ */
+OES_vertex_array_object.prototype.deleteVertexArrayOES =
+ function(arrayObject) {};
+
+/**
+ * @param {WebGLVertexArrayObjectOES} arrayObject
+ * @return {boolean}
+ * @nosideeffects
+ */
+OES_vertex_array_object.prototype.isVertexArrayOES = function(arrayObject) {};
+
+/**
+ * @param {WebGLVertexArrayObjectOES} arrayObject
+ */
+OES_vertex_array_object.prototype.bindVertexArrayOES = function(arrayObject) {};
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/WEBGL_debug_renderer_info/
+ * @constructor
+ * @noalias
+ */
+function WEBGL_debug_renderer_info() {}
+
+/** @type {number} */
+WEBGL_debug_renderer_info.prototype.UNMASKED_VENDOR_WEBGL;
+
+/** @type {number} */
+WEBGL_debug_renderer_info.prototype.UNMASKED_RENDERER_WEBGL;
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/WEBGL_debug_shaders/
+ * @constructor
+ * @noalias
+ */
+function WEBGL_debug_shaders() {}
+
+/**
+ * @param {WebGLShader} shader
+ * @return {string}
+ * @nosideeffects
+ */
+WEBGL_debug_shaders.prototype.getTranslatedShaderSource = function(shader) {};
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/WEBGL_compressed_texture_s3tc/
+ * @constructor
+ * @noalias
+ */
+function WEBGL_compressed_texture_s3tc() {}
+
+/** @type {number} */
+WEBGL_compressed_texture_s3tc.prototype.COMPRESSED_RGB_S3TC_DXT1_EXT;
+
+/** @type {number} */
+WEBGL_compressed_texture_s3tc.prototype.COMPRESSED_RGBA_S3TC_DXT1_EXT;
+
+/** @type {number} */
+WEBGL_compressed_texture_s3tc.prototype.COMPRESSED_RGBA_S3TC_DXT3_EXT;
+
+/** @type {number} */
+WEBGL_compressed_texture_s3tc.prototype.COMPRESSED_RGBA_S3TC_DXT5_EXT;
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/OES_depth_texture/
+ * @constructor
+ * @noalias
+ */
+function OES_depth_texture() {}
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/OES_element_index_uint/
+ * @constructor
+ * @noalias
+ */
+function OES_element_index_uint() {}
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/EXT_texture_filter_anisotropic/
+ * @constructor
+ * @noalias
+ */
+function EXT_texture_filter_anisotropic() {}
+
+/** @type {number} */
+EXT_texture_filter_anisotropic.prototype.TEXTURE_MAX_ANISOTROPY_EXT;
+
+/** @type {number} */
+EXT_texture_filter_anisotropic.prototype.MAX_TEXTURE_MAX_ANISOTROPY_EXT;
+
+
+
+/**
+ * @see http://www.khronos.org/registry/webgl/extensions/ANGLE_instanced_arrays/
+ * @constructor
+ * @noalias
+ */
+function ANGLE_instanced_arrays() {}
+
+
+/** @type {number} */
+ANGLE_instanced_arrays.prototype.VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE;
+
+
+/**
+ * @param {number} mode Primitive type.
+ * @param {number} first First vertex.
+ * @param {number} count Number of vertices per instance.
+ * @param {number} primcount Number of instances.
+ */
+ANGLE_instanced_arrays.prototype.drawArraysInstancedANGLE = function(
+ mode, first, count, primcount) {};
+
+
+/**
+ * @param {number} mode Primitive type.
+ * @param {number} count Number of vertex indices per instance.
+ * @param {number} type Type of a vertex index.
+ * @param {number} offset Offset to the first vertex index.
+ * @param {number} primcount Number of instances.
+ */
+ANGLE_instanced_arrays.prototype.drawElementsInstancedANGLE = function(
+ mode, count, type, offset, primcount) {};
+
+
+/**
+ * @param {number} index Attribute index.
+ * @param {number} divisor Instance divisor.
+ */
+ANGLE_instanced_arrays.prototype.vertexAttribDivisorANGLE = function(
+ index, divisor) {};
+
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLRenderingContextBase}
+ */
+function WebGLRenderingContext() {}
+
+
+/**
+ * @constructor
+ * @private
+ * @noalias
+ * @extends {WebGLRenderingContextBase}
+ */
+function WebGL2RenderingContextBase() {}
+
+
+/** @type {number} */
+WebGL2RenderingContextBase.READ_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNPACK_ROW_LENGTH;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNPACK_SKIP_ROWS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNPACK_SKIP_PIXELS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.PACK_ROW_LENGTH;
+
+/** @type {number} */
+WebGL2RenderingContextBase.PACK_SKIP_ROWS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.PACK_SKIP_PIXELS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DEPTH;
+
+/** @type {number} */
+WebGL2RenderingContextBase.STENCIL;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGBA8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB10_A2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_BINDING_3D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNPACK_SKIP_IMAGES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNPACK_IMAGE_HEIGHT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_3D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_WRAP_R;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_3D_TEXTURE_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_INT_2_10_10_10_REV;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_ELEMENTS_VERTICES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_ELEMENTS_INDICES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_MIN_LOD;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_MAX_LOD;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_BASE_LEVEL;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_MAX_LEVEL;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MIN;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DEPTH_COMPONENT24;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_TEXTURE_LOD_BIAS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_COMPARE_MODE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_COMPARE_FUNC;
+
+/** @type {number} */
+WebGL2RenderingContextBase.CURRENT_QUERY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.QUERY_RESULT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.QUERY_RESULT_AVAILABLE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.STREAM_READ;
+
+/** @type {number} */
+WebGL2RenderingContextBase.STREAM_COPY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.STATIC_READ;
+
+/** @type {number} */
+WebGL2RenderingContextBase.STATIC_COPY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DYNAMIC_READ;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DYNAMIC_COPY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_DRAW_BUFFERS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER0;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER1;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER3;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER4;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER5;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER6;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER7;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER9;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER10;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER11;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER12;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER13;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER14;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_BUFFER15;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_FRAGMENT_UNIFORM_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_VERTEX_UNIFORM_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SAMPLER_3D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SAMPLER_2D_SHADOW;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAGMENT_SHADER_DERIVATIVE_HINT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.PIXEL_PACK_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.PIXEL_UNPACK_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.PIXEL_PACK_BUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.PIXEL_UNPACK_BUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FLOAT_MAT2x3;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FLOAT_MAT2x4;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FLOAT_MAT3x2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FLOAT_MAT3x4;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FLOAT_MAT4x2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FLOAT_MAT4x3;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SRGB;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SRGB8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SRGB8_ALPHA8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COMPARE_REF_TO_TEXTURE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGBA32F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB32F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGBA16F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB16F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.VERTEX_ATTRIB_ARRAY_INTEGER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_ARRAY_TEXTURE_LAYERS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MIN_PROGRAM_TEXEL_OFFSET;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_PROGRAM_TEXEL_OFFSET;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_VARYING_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_2D_ARRAY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_BINDING_2D_ARRAY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.R11F_G11F_B10F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_INT_10F_11F_11F_REV;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB9_E5;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_INT_5_9_9_9_REV;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TRANSFORM_FEEDBACK_BUFFER_MODE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TRANSFORM_FEEDBACK_VARYINGS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TRANSFORM_FEEDBACK_BUFFER_START;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TRANSFORM_FEEDBACK_BUFFER_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RASTERIZER_DISCARD;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.INTERLEAVED_ATTRIBS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SEPARATE_ATTRIBS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TRANSFORM_FEEDBACK_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TRANSFORM_FEEDBACK_BUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGBA32UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB32UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGBA16UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB16UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGBA8UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB8UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGBA32I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB32I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGBA16I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB16I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGBA8I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB8I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RED_INTEGER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB_INTEGER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGBA_INTEGER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SAMPLER_2D_ARRAY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SAMPLER_2D_ARRAY_SHADOW;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SAMPLER_CUBE_SHADOW;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_INT_VEC2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_INT_VEC3;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_INT_VEC4;
+
+/** @type {number} */
+WebGL2RenderingContextBase.INT_SAMPLER_2D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.INT_SAMPLER_3D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.INT_SAMPLER_CUBE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.INT_SAMPLER_2D_ARRAY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_INT_SAMPLER_2D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_INT_SAMPLER_3D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_INT_SAMPLER_CUBE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_INT_SAMPLER_2D_ARRAY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DEPTH_COMPONENT32F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DEPTH32F_STENCIL8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FLOAT_32_UNSIGNED_INT_24_8_REV;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAMEBUFFER_ATTACHMENT_RED_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAMEBUFFER_ATTACHMENT_GREEN_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAMEBUFFER_ATTACHMENT_BLUE_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAMEBUFFER_DEFAULT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DEPTH_STENCIL_ATTACHMENT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DEPTH_STENCIL;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_INT_24_8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DEPTH24_STENCIL8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNED_NORMALIZED;
+
+// Same as FRAMEBUFFER_BINDING
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_FRAMEBUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.READ_FRAMEBUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.DRAW_FRAMEBUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.READ_FRAMEBUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RENDERBUFFER_SAMPLES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_COLOR_ATTACHMENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT1;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT3;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT4;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT5;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT6;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT7;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT9;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT10;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT11;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT12;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT13;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT14;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COLOR_ATTACHMENT15;
+
+/** @type {number} */
+WebGL2RenderingContextBase.FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_SAMPLES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.HALF_FLOAT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG_INTEGER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.R8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.R16F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.R32F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG16F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG32F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.R8I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.R8UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.R16I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.R16UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.R32I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.R32UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG8I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG8UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG16I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG16UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG32I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG32UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.VERTEX_ARRAY_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.R8_SNORM;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RG8_SNORM;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB8_SNORM;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGBA8_SNORM;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SIGNED_NORMALIZED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COPY_READ_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.COPY_WRITE_BUFFER;
+
+// Same as COPY_READ_BUFFER
+/** @type {number} */
+WebGL2RenderingContextBase.COPY_READ_BUFFER_BINDING;
+
+// Same as COPY_WRITE_BUFFER
+/** @type {number} */
+WebGL2RenderingContextBase.COPY_WRITE_BUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BUFFER_START;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BUFFER_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_VERTEX_UNIFORM_BLOCKS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_FRAGMENT_UNIFORM_BLOCKS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_COMBINED_UNIFORM_BLOCKS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_UNIFORM_BUFFER_BINDINGS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_UNIFORM_BLOCK_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BUFFER_OFFSET_ALIGNMENT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.ACTIVE_UNIFORM_BLOCKS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_TYPE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BLOCK_INDEX;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_OFFSET;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_ARRAY_STRIDE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_MATRIX_STRIDE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_IS_ROW_MAJOR;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BLOCK_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BLOCK_DATA_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BLOCK_ACTIVE_UNIFORMS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.INVALID_INDEX;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_VERTEX_OUTPUT_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_FRAGMENT_INPUT_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_SERVER_WAIT_TIMEOUT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.OBJECT_TYPE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SYNC_CONDITION;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SYNC_STATUS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SYNC_FLAGS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SYNC_FENCE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SYNC_GPU_COMMANDS_COMPLETE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.UNSIGNALED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SIGNALED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.ALREADY_SIGNALED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TIMEOUT_EXPIRED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.CONDITION_SATISFIED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.WAIT_FAILED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SYNC_FLUSH_COMMANDS_BIT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.VERTEX_ATTRIB_ARRAY_DIVISOR;
+
+/** @type {number} */
+WebGL2RenderingContextBase.ANY_SAMPLES_PASSED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.ANY_SAMPLES_PASSED_CONSERVATIVE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.SAMPLER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.RGB10_A2UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.INT_2_10_10_10_REV;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TRANSFORM_FEEDBACK;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TRANSFORM_FEEDBACK_PAUSED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TRANSFORM_FEEDBACK_ACTIVE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TRANSFORM_FEEDBACK_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_IMMUTABLE_FORMAT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.MAX_ELEMENT_INDEX;
+
+/** @type {number} */
+WebGL2RenderingContextBase.NUM_SAMPLE_COUNTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TEXTURE_IMMUTABLE_LEVELS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.TIMEOUT_IGNORED;
+
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.READ_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNPACK_ROW_LENGTH;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNPACK_SKIP_ROWS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNPACK_SKIP_PIXELS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.PACK_ROW_LENGTH;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.PACK_SKIP_ROWS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.PACK_SKIP_PIXELS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DEPTH;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.STENCIL;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGBA8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB10_A2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_BINDING_3D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNPACK_SKIP_IMAGES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNPACK_IMAGE_HEIGHT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_3D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_WRAP_R;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_3D_TEXTURE_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_INT_2_10_10_10_REV;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_ELEMENTS_VERTICES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_ELEMENTS_INDICES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_MIN_LOD;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_MAX_LOD;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_BASE_LEVEL;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_MAX_LEVEL;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MIN;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DEPTH_COMPONENT24;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_TEXTURE_LOD_BIAS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_COMPARE_MODE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_COMPARE_FUNC;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.CURRENT_QUERY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.QUERY_RESULT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.QUERY_RESULT_AVAILABLE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.STREAM_READ;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.STREAM_COPY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.STATIC_READ;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.STATIC_COPY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DYNAMIC_READ;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DYNAMIC_COPY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_DRAW_BUFFERS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER0;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER1;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER3;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER4;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER5;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER6;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER7;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER9;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER10;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER11;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER12;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER13;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER14;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_BUFFER15;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_FRAGMENT_UNIFORM_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_VERTEX_UNIFORM_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SAMPLER_3D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SAMPLER_2D_SHADOW;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAGMENT_SHADER_DERIVATIVE_HINT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.PIXEL_PACK_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.PIXEL_UNPACK_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.PIXEL_PACK_BUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.PIXEL_UNPACK_BUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FLOAT_MAT2x3;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FLOAT_MAT2x4;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FLOAT_MAT3x2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FLOAT_MAT3x4;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FLOAT_MAT4x2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FLOAT_MAT4x3;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SRGB;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SRGB8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SRGB8_ALPHA8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COMPARE_REF_TO_TEXTURE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGBA32F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB32F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGBA16F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB16F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.VERTEX_ATTRIB_ARRAY_INTEGER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_ARRAY_TEXTURE_LAYERS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MIN_PROGRAM_TEXEL_OFFSET;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_PROGRAM_TEXEL_OFFSET;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_VARYING_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_2D_ARRAY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_BINDING_2D_ARRAY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.R11F_G11F_B10F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_INT_10F_11F_11F_REV;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB9_E5;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_INT_5_9_9_9_REV;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TRANSFORM_FEEDBACK_BUFFER_MODE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TRANSFORM_FEEDBACK_VARYINGS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TRANSFORM_FEEDBACK_BUFFER_START;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TRANSFORM_FEEDBACK_BUFFER_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RASTERIZER_DISCARD;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.INTERLEAVED_ATTRIBS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SEPARATE_ATTRIBS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TRANSFORM_FEEDBACK_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TRANSFORM_FEEDBACK_BUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGBA32UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB32UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGBA16UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB16UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGBA8UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB8UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGBA32I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB32I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGBA16I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB16I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGBA8I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB8I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RED_INTEGER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB_INTEGER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGBA_INTEGER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SAMPLER_2D_ARRAY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SAMPLER_2D_ARRAY_SHADOW;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SAMPLER_CUBE_SHADOW;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_INT_VEC2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_INT_VEC3;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_INT_VEC4;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.INT_SAMPLER_2D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.INT_SAMPLER_3D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.INT_SAMPLER_CUBE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.INT_SAMPLER_2D_ARRAY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_INT_SAMPLER_2D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_INT_SAMPLER_3D;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_INT_SAMPLER_CUBE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_INT_SAMPLER_2D_ARRAY;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DEPTH_COMPONENT32F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DEPTH32F_STENCIL8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FLOAT_32_UNSIGNED_INT_24_8_REV;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_RED_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_GREEN_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_BLUE_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAMEBUFFER_DEFAULT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DEPTH_STENCIL_ATTACHMENT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DEPTH_STENCIL;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_INT_24_8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DEPTH24_STENCIL8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNED_NORMALIZED;
+
+// Same as FRAMEBUFFER_BINDING
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_FRAMEBUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.READ_FRAMEBUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.DRAW_FRAMEBUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.READ_FRAMEBUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RENDERBUFFER_SAMPLES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_COLOR_ATTACHMENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT1;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT2;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT3;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT4;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT5;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT6;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT7;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT9;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT10;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT11;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT12;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT13;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT14;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COLOR_ATTACHMENT15;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_SAMPLES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.HALF_FLOAT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG_INTEGER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.R8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG8;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.R16F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.R32F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG16F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG32F;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.R8I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.R8UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.R16I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.R16UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.R32I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.R32UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG8I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG8UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG16I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG16UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG32I;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG32UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.VERTEX_ARRAY_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.R8_SNORM;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RG8_SNORM;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB8_SNORM;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGBA8_SNORM;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SIGNED_NORMALIZED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COPY_READ_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COPY_WRITE_BUFFER;
+
+// Same as COPY_READ_BUFFER
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COPY_READ_BUFFER_BINDING;
+
+// Same as COPY_WRITE_BUFFER
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.COPY_WRITE_BUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BUFFER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BUFFER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BUFFER_START;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BUFFER_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_VERTEX_UNIFORM_BLOCKS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_FRAGMENT_UNIFORM_BLOCKS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_COMBINED_UNIFORM_BLOCKS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_UNIFORM_BUFFER_BINDINGS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_UNIFORM_BLOCK_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BUFFER_OFFSET_ALIGNMENT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.ACTIVE_UNIFORM_BLOCKS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_TYPE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BLOCK_INDEX;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_OFFSET;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_ARRAY_STRIDE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_MATRIX_STRIDE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_IS_ROW_MAJOR;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BLOCK_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BLOCK_DATA_SIZE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BLOCK_ACTIVE_UNIFORMS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.INVALID_INDEX;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_VERTEX_OUTPUT_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_FRAGMENT_INPUT_COMPONENTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_SERVER_WAIT_TIMEOUT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.OBJECT_TYPE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SYNC_CONDITION;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SYNC_STATUS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SYNC_FLAGS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SYNC_FENCE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SYNC_GPU_COMMANDS_COMPLETE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.UNSIGNALED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SIGNALED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.ALREADY_SIGNALED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TIMEOUT_EXPIRED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.CONDITION_SATISFIED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.WAIT_FAILED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SYNC_FLUSH_COMMANDS_BIT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.VERTEX_ATTRIB_ARRAY_DIVISOR;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.ANY_SAMPLES_PASSED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.ANY_SAMPLES_PASSED_CONSERVATIVE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.SAMPLER_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.RGB10_A2UI;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.INT_2_10_10_10_REV;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TRANSFORM_FEEDBACK;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TRANSFORM_FEEDBACK_PAUSED;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TRANSFORM_FEEDBACK_ACTIVE;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TRANSFORM_FEEDBACK_BINDING;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_IMMUTABLE_FORMAT;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.MAX_ELEMENT_INDEX;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.NUM_SAMPLE_COUNTS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TEXTURE_IMMUTABLE_LEVELS;
+
+/** @type {number} */
+WebGL2RenderingContextBase.prototype.TIMEOUT_IGNORED;
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLQuery() {}
+
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLSampler() {}
+
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLSync() {}
+
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLTransformFeedback() {}
+
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGLObject}
+ */
+function WebGLVertexArrayObject() {}
+
+
+/**
+ * @param {number} target
+ * @param {WebGLQuery} query
+ */
+WebGL2RenderingContextBase.prototype.beginQuery = function(target, query) {};
+
+/**
+ * @param {number} primitiveMode
+ */
+WebGL2RenderingContextBase.prototype.beginTransformFeedback = function(primitiveMode) {};
+
+/**
+ * @param {number} target
+ * @param {number} index
+ * @param {WebGLBuffer} buffer
+ */
+WebGL2RenderingContextBase.prototype.bindBufferBase = function(target, index, buffer) {};
+
+/**
+ * @param {number} target
+ * @param {number} index
+ * @param {WebGLBuffer} buffer
+ * @param {number} offset
+ * @param {number} size
+ */
+WebGL2RenderingContextBase.prototype.bindBufferRange = function(target, index, buffer, offset, size) {};
+
+/**
+ * @param {number} unit
+ * @param {WebGLSampler} sampler
+ */
+WebGL2RenderingContextBase.prototype.bindSampler = function(unit, sampler) {};
+
+/**
+ * @param {number} target
+ * @param {WebGLTransformFeedback} id
+ */
+WebGL2RenderingContextBase.prototype.bindTransformFeedback = function(target, id) {};
+
+/**
+ * @param {WebGLVertexArrayObject} array
+ */
+WebGL2RenderingContextBase.prototype.bindVertexArray = function(array) {};
+
+/**
+ * @param {number} srcX0
+ * @param {number} srcY0
+ * @param {number} srcX1
+ * @param {number} srcY1
+ * @param {number} dstX0
+ * @param {number} dstY0
+ * @param {number} dstX1
+ * @param {number} dstY1
+ * @param {number} mask
+ * @param {number} filter
+ */
+WebGL2RenderingContextBase.prototype.blitFramebuffer = function(
+ srcX0, srcY0, srcX1, srcY1, dstX0, dstY0,
+ dstX1, dstY1, mask, filter) {};
+
+/**
+ * @param {number} buffer
+ * @param {number} drawbuffer
+ * @param {Int32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.clearBufferiv = function(buffer, drawbuffer, value) {};
+
+/**
+ * @param {number} buffer
+ * @param {number} drawbuffer
+ * @param {Uint32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.clearBufferuiv = function(buffer, drawbuffer, value) {};
+
+/**
+ * @param {number} buffer
+ * @param {number} drawbuffer
+ * @param {Float32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.clearBufferfv = function(buffer, drawbuffer, value) {};
+
+/**
+ * @param {number} buffer
+ * @param {number} drawbuffer
+ * @param {number} depth
+ * @param {number} stencil
+ */
+WebGL2RenderingContextBase.prototype.clearBufferfi = function(buffer, drawbuffer, depth, stencil) {};
+
+/**
+ * @param {WebGLSync} sync
+ * @param {number} flags
+ * @param {number} timeout
+ * @return {number}
+ */
+WebGL2RenderingContextBase.prototype.clientWaitSync = function(sync, flags, timeout) {};
+
+/**
+ * @param {number} target
+ * @param {number} level
+ * @param {number} internalformat
+ * @param {number} width
+ * @param {number} height
+ * @param {number} depth
+ * @param {number} border
+ * @param {ArrayBufferView} data
+ */
+WebGL2RenderingContextBase.prototype.compressedTexImage3D = function(
+ target, level, internalformat, width, height, depth, border, data) {};
+
+/**
+ * @param {number} target
+ * @param {number} level
+ * @param {number} xoffset
+ * @param {number} yoffset
+ * @param {number} zoffset
+ * @param {number} width
+ * @param {number} height
+ * @param {number} depth
+ * @param {number} format
+ * @param {ArrayBufferView} data
+ */
+WebGL2RenderingContextBase.prototype.compressedTexSubImage3D = function(
+ target, level, xoffset, yoffset, zoffset, width, height, depth, format, data) {};
+
+/**
+ * @param {number} readTarget
+ * @param {number} writeTarget
+ * @param {number} readOffset
+ * @param {number} writeOffset
+ * @param {number} size
+ */
+WebGL2RenderingContextBase.prototype.copyBufferSubData = function(
+ readTarget, writeTarget, readOffset, writeOffset, size) {};
+
+/**
+ * @param {number} target
+ * @param {number} level
+ * @param {number} xoffset
+ * @param {number} yoffset
+ * @param {number} zoffset
+ * @param {number} x
+ * @param {number} y
+ * @param {number} width
+ * @param {number} height
+ */
+WebGL2RenderingContextBase.prototype.copyTexSubImage3D = function(
+ target, level, xoffset, yoffset, zoffset, x, y, width, height) {};
+
+/**
+ * @return {!WebGLQuery}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.createQuery = function() {};
+
+/**
+ * @return {!WebGLSampler}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.createSampler = function() {};
+
+/**
+ * @return {!WebGLTransformFeedback}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.createTransformFeedback = function() {};
+
+/**
+ * @return {!WebGLVertexArrayObject}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.createVertexArray = function() {};
+
+
+/**
+ * @param {WebGLQuery} query
+ */
+WebGL2RenderingContextBase.prototype.deleteQuery = function(query) {};
+
+/**
+ * @param {WebGLSampler} sampler
+ */
+WebGL2RenderingContextBase.prototype.deleteSampler = function(sampler) {};
+
+/**
+ * @param {WebGLSync} sync
+ */
+WebGL2RenderingContextBase.prototype.deleteSync = function(sync) {};
+
+/**
+ * @param {WebGLTransformFeedback} feedback
+ */
+WebGL2RenderingContextBase.prototype.deleteTransformFeedback = function(feedback) {};
+
+/**
+ * @param {WebGLVertexArrayObject} vertexArray
+ */
+WebGL2RenderingContextBase.prototype.deleteVertexArray = function(vertexArray) {};
+
+/**
+ * @param {number} mode
+ * @param {number} first
+ * @param {number} count
+ * @param {number} instanceCount
+ */
+WebGL2RenderingContextBase.prototype.drawArraysInstanced = function(mode, first, count, instanceCount) {};
+
+/**
+ * @param {number} mode
+ * @param {number} count
+ * @param {number} type
+ * @param {number} offset
+ * @param {number} instanceCount
+ */
+WebGL2RenderingContextBase.prototype.drawElementsInstanced = function(mode, count, type, offset, instanceCount) {};
+
+/**
+ * @param {number} mode
+ * @param {number} start
+ * @param {number} end
+ * @param {number} count
+ * @param {number} type
+ * @param {number} offset
+ */
+WebGL2RenderingContextBase.prototype.drawRangeElements = function(mode, start, end, count, type, offset) {};
+
+/**
+ * @param {Array.<number>} buffers
+ */
+WebGL2RenderingContextBase.prototype.drawBuffers = function(buffers) {};
+
+/**
+ * @param {number} target
+ */
+WebGL2RenderingContextBase.prototype.endQuery = function(target) {};
+
+/**
+ */
+WebGL2RenderingContextBase.prototype.endTransformFeedback = function() {};
+
+/**
+ * @param {number} condition
+ * @param {number} flags
+ * @return {WebGLSync}
+ */
+WebGL2RenderingContextBase.prototype.fenceSync = function(condition, flags) {};
+
+/**
+ * @param {number} target
+ * @param {number} attachment
+ * @param {WebGLTexture} texture
+ * @param {number} level
+ * @param {number} layer
+ */
+WebGL2RenderingContextBase.prototype.framebufferTextureLayer = function(
+ target, attachment, texture, level, layer) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {number} uniformBlockIndex
+ * @return {string}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getActiveUniformBlockName = function(program, uniformBlockIndex) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {number} uniformBlockIndex
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getActiveUniformBlockParameter = function(
+ program, uniformBlockIndex, pname) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {Array.<number>} uniformIndices
+ * @param {number} pname
+ * @return {Array.<number>}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getActiveUniforms = function(
+ program, uniformIndices, pname) {};
+
+/**
+ * @param {number} target
+ * @param {number} offset
+ * @param {ArrayBuffer} returnedData
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getBufferSubData = function(
+ target, offset, returnedData) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {string} name
+ * @return {number}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getFragDataLocation = function(program, name) {};
+
+/**
+ * @param {number} target
+ * @param {number} index
+ * @return {*}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getIndexedParameter = function(target, index) {};
+
+/**
+ * @param {number} target
+ * @param {number} internalformat
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getInternalformatParameter = function(target, internalformat, pname) {};
+
+/**
+ * @param {number} target
+ * @param {number} pname
+ * @return {WebGLQuery}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getQuery = function(target, pname) {};
+
+/**
+ * @param {WebGLQuery} query
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getQueryParameter = function(query, pname) {};
+
+/**
+ * @param {WebGLSampler} sampler
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getSamplerParameter = function(sampler, pname) {};
+
+/**
+ * @param {WebGLSync} sync
+ * @param {number} pname
+ * @return {*}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getSyncParameter = function(sync, pname) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {number} index
+ * @return {WebGLActiveInfo}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getTransformFeedbackVarying = function(program, index) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {string} uniformBlockName
+ * @return {number}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getUniformBlockIndex = function(program, uniformBlockName) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {Array.<string>} uniformNames
+ * @return {Array.<number>}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.getUniformIndices = function(program, uniformNames) {};
+
+/**
+ * @param {number} target
+ * @param {Array.<number>} attachments
+ */
+WebGL2RenderingContextBase.prototype.invalidateFramebuffer = function(target, attachments) {};
+
+/**
+ * @param {number} target
+ * @param {Array.<number>} attachments
+ * @param {number} x
+ * @param {number} y
+ * @param {number} width
+ * @param {number} height
+ */
+WebGL2RenderingContextBase.prototype.invalidateSubFramebuffer = function(
+ target, attachments, x, y, width, height) {};
+
+/**
+ * @param {WebGLQuery} query
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.isQuery = function(query) {};
+
+/**
+ * @param {WebGLSampler} sampler
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.isSampler = function(sampler) {};
+
+/**
+ * @param {WebGLSync} sync
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.isSync = function(sync) {};
+
+/**
+ * @param {WebGLTransformFeedback} feedback
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.isTransformFeedback = function(feedback) {};
+
+/**
+ * @param {WebGLVertexArrayObject} vertexArray
+ * @return {boolean}
+ * @nosideeffects
+ */
+WebGL2RenderingContextBase.prototype.isVertexArray = function(vertexArray) {};
+
+/**
+ */
+WebGL2RenderingContextBase.prototype.pauseTransformFeedback = function() {};
+
+/**
+ * @param {number} src
+ */
+WebGL2RenderingContextBase.prototype.readBuffer = function(src) {};
+
+/**
+ * @param {number} target
+ * @param {number} samples
+ * @param {number} internalformat
+ * @param {number} width
+ * @param {number} height
+ */
+WebGL2RenderingContextBase.prototype.renderbufferStorageMultisample = function(
+ target, samples, internalformat, width, height) {};
+
+/**
+ */
+WebGL2RenderingContextBase.prototype.resumeTransformFeedback = function() {};
+
+/**
+ * @param {WebGLSampler} sampler
+ * @param {number} pname
+ * @param {number} param
+ */
+WebGL2RenderingContextBase.prototype.samplerParameteri = function(sampler, pname, param) {};
+
+/**
+ * @param {WebGLSampler} sampler
+ * @param {number} pname
+ * @param {number} param
+ */
+WebGL2RenderingContextBase.prototype.samplerParameterf = function(sampler, pname, param) {};
+
+/**
+ * @param {number} target
+ * @param {number} levels
+ * @param {number} internalformat
+ * @param {number} width
+ * @param {number} height
+ */
+WebGL2RenderingContextBase.prototype.texStorage2D = function(target, levels, internalformat, width, height) {};
+
+/**
+ * @param {number} target
+ * @param {number} levels
+ * @param {number} internalformat
+ * @param {number} width
+ * @param {number} height
+ * @param {number} depth
+ */
+WebGL2RenderingContextBase.prototype.texStorage3D = function(target, levels, internalformat, width, height, depth) {};
+
+/**
+ * @param {number} target
+ * @param {number} level
+ * @param {number} internalformat
+ * @param {number} width
+ * @param {number} height
+ * @param {number} depth
+ * @param {number} border
+ * @param {number} format
+ * @param {number} type
+ * @param {ArrayBufferView} pixels
+ */
+WebGL2RenderingContextBase.prototype.texImage3D = function(
+ target, level, internalformat, width, height, depth, border, format, type, pixels) {};
+
+/**
+ * @param {number} target
+ * @param {number} level
+ * @param {number} xoffset
+ * @param {number} yoffset
+ * @param {number} zoffset
+ * @param {number} format or width
+ * @param {number} type or height
+ * @param {ImageData|HTMLImageElement|HTMLCanvasElement|HTMLVideoElement|
+ * number} source or depth
+ * @param {number=} opt_format
+ * @param {number=} opt_type
+ * @param {ArrayBufferView=} opt_pixels
+ */
+WebGL2RenderingContextBase.prototype.texSubImage3D = function(
+ target, level, xoffset, yoffset, zoffset, format, type, source, opt_format, opt_type, opt_pixels) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {Array.<string>} varyings
+ * @param {number} bufferMode
+ */
+WebGL2RenderingContextBase.prototype.transformFeedbackVaryings = function(program, varyings, bufferMode) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} v0
+ */
+WebGL2RenderingContextBase.prototype.uniform1ui = function(location, v0) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} v0
+ * @param {number} v1
+ */
+WebGL2RenderingContextBase.prototype.uniform2ui = function(location, v0, v1) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} v0
+ * @param {number} v1
+ * @param {number} v2
+ */
+WebGL2RenderingContextBase.prototype.uniform3ui = function(location, v0, v1, v2) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {number} v0
+ * @param {number} v1
+ * @param {number} v2
+ * @param {number} v3
+ */
+WebGL2RenderingContextBase.prototype.uniform4ui = function(location, v0, v1, v2, v3) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Uint32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.uniform1uiv = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Uint32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.uniform2uiv = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Uint32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.uniform3uiv = function(location, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {Uint32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.uniform4uiv = function(location, value) {};
+
+/**
+ * @param {WebGLProgram} program
+ * @param {number} uniformBlockIndex
+ * @param {number} uniformBlockBinding
+ */
+WebGL2RenderingContextBase.prototype.uniformBlockBinding = function(program, uniformBlockIndex, uniformBlockBinding) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {boolean} transpose
+ * @param {Float32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.uniformMatrix2x3fv = function(location, transpose, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {boolean} transpose
+ * @param {Float32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.uniformMatrix3x2fv = function(location, transpose, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {boolean} transpose
+ * @param {Float32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.uniformMatrix2x4fv = function(location, transpose, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {boolean} transpose
+ * @param {Float32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.uniformMatrix4x2fv = function(location, transpose, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {boolean} transpose
+ * @param {Float32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.uniformMatrix3x4fv = function(location, transpose, value) {};
+
+/**
+ * @param {WebGLUniformLocation} location
+ * @param {boolean} transpose
+ * @param {Float32Array|Array.<number>} value
+ */
+WebGL2RenderingContextBase.prototype.uniformMatrix4x3fv = function(location, transpose, value) {};
+
+/**
+ * @param {number} index
+ * @param {number} x
+ * @param {number} y
+ * @param {number} z
+ * @param {number} w
+ */
+WebGL2RenderingContextBase.prototype.vertexAttribI4i = function(index, x, y, z, w) {};
+
+/**
+ * @param {number} index
+ * @param {(Array.<number>|Int32Array)} v
+ */
+WebGL2RenderingContextBase.prototype.vertexAttribI4iv = function(index, v) {};
+
+/**
+ * @param {number} index
+ * @param {number} x
+ * @param {number} y
+ * @param {number} z
+ * @param {number} w
+ */
+WebGL2RenderingContextBase.prototype.vertexAttribI4ui = function(index, x, y, z, w) {};
+
+/**
+ * @param {number} index
+ * @param {(Array.<number>|Uint32Array)} v
+ */
+WebGL2RenderingContextBase.prototype.vertexAttribI4uiv = function(index, v) {};
+
+/**
+ * @param {number} index
+ * @param {number} size
+ * @param {number} type
+ * @param {number} stride
+ * @param {number} offset
+ */
+WebGL2RenderingContextBase.prototype.vertexAttribIPointer = function(index, size, type, stride, offset) {};
+
+/**
+ * @param {number} index
+ * @param {number} divisor
+ */
+WebGL2RenderingContextBase.prototype.vertexAttribDivisor = function(index, divisor) {};
+
+/**
+ * @param {WebGLSync} sync
+ * @param {number} flags
+ * @param {number} timeout
+ */
+WebGL2RenderingContextBase.prototype.waitSync = function(sync, flags, timeout) {};
+
+/**
+ * @constructor
+ * @noalias
+ * @extends {WebGL2RenderingContextBase}
+ */
+function WebGL2RenderingContext() {}