let input = `Clearing buffers Constants passed to WebGLRenderingContext.clear() to clear buffer masks. Constant name Value Description DEPTH_BUFFER_BIT 0x00000100 Passed to clear to clear the current depth buffer. STENCIL_BUFFER_BIT 0x00000400 Passed to clear to clear the current stencil buffer. COLOR_BUFFER_BIT 0x00004000 Passed to clear to clear the current color buffer. Rendering primitives Constants passed to WebGLRenderingContext.drawElements() or WebGLRenderingContext.drawArrays() to specify what kind of primitive to render. Constant name Value Description POINTS 0x0000 Passed to drawElements or drawArrays to draw single points. LINES 0x0001 Passed to drawElements or drawArrays to draw lines. Each vertex connects to the one after it. LINE_LOOP 0x0002 Passed to drawElements or drawArrays to draw lines. Each set of two vertices is treated as a separate line segment. LINE_STRIP 0x0003 Passed to drawElements or drawArrays to draw a connected group of line segments from the first vertex to the last. TRIANGLES 0x0004 Passed to drawElements or drawArrays to draw triangles. Each set of three vertices creates a separate triangle. TRIANGLE_STRIP 0x0005 Passed to drawElements or drawArrays to draw a connected group of triangles. TRIANGLE_FAN 0x0006 Passed to drawElements or drawArrays to draw a connected group of triangles. Each vertex connects to the previous and the first vertex in the fan. Blending modes Constants passed to WebGLRenderingContext.blendFunc() or WebGLRenderingContext.blendFuncSeparate() to specify the blending mode (for both, RBG and alpha, or separately). Constant name Value Description ZERO 0 Passed to blendFunc or blendFuncSeparate to turn off a component. ONE 1 Passed to blendFunc or blendFuncSeparate to turn on a component. SRC_COLOR 0x0300 Passed to blendFunc or blendFuncSeparate to multiply a component by the source elements color. ONE_MINUS_SRC_COLOR 0x0301 Passed to blendFunc or blendFuncSeparate to multiply a component by one minus the source elements color. SRC_ALPHA 0x0302 Passed to blendFunc or blendFuncSeparate to multiply a component by the source's alpha. ONE_MINUS_SRC_ALPHA 0x0303 Passed to blendFunc or blendFuncSeparate to multiply a component by one minus the source's alpha. DST_ALPHA 0x0304 Passed to blendFunc or blendFuncSeparate to multiply a component by the destination's alpha. ONE_MINUS_DST_ALPHA 0x0305 Passed to blendFunc or blendFuncSeparate to multiply a component by one minus the destination's alpha. DST_COLOR 0x0306 Passed to blendFunc or blendFuncSeparate to multiply a component by the destination's color. ONE_MINUS_DST_COLOR 0x0307 Passed to blendFunc or blendFuncSeparate to multiply a component by one minus the destination's color. SRC_ALPHA_SATURATE 0x0308 Passed to blendFunc or blendFuncSeparate to multiply a component by the minimum of source's alpha or one minus the destination's alpha. CONSTANT_COLOR 0x8001 Passed to blendFunc or blendFuncSeparate to specify a constant color blend function. ONE_MINUS_CONSTANT_COLOR 0x8002 Passed to blendFunc or blendFuncSeparate to specify one minus a constant color blend function. CONSTANT_ALPHA 0x8003 Passed to blendFunc or blendFuncSeparate to specify a constant alpha blend function. ONE_MINUS_CONSTANT_ALPHA 0x8004 Passed to blendFunc or blendFuncSeparate to specify one minus a constant alpha blend function. Blending equations Constants passed to WebGLRenderingContext.blendEquation() or WebGLRenderingContext.blendEquationSeparate() to control how the blending is calculated (for both, RBG and alpha, or separately). Constant name Value Description FUNC_ADD 0x8006 Passed to blendEquation or blendEquationSeparate to set an addition blend function. FUNC_SUBSTRACT 0x800A Passed to blendEquation or blendEquationSeparate to specify a subtraction blend function (source - destination). FUNC_REVERSE_SUBTRACT 0x800B Passed to blendEquation or blendEquationSeparate to specify a reverse subtraction blend function (destination - source). Getting GL parameter information Constants passed to WebGLRenderingContext.getParameter() to specify what information to return. Constant name Value Description BLEND_EQUATION 0x8009 Passed to getParameter to get the current RGB blend function. BLEND_EQUATION_RGB 0x8009 Passed to getParameter to get the current RGB blend function. Same as BLEND_EQUATION BLEND_EQUATION_ALPHA 0x883D Passed to getParameter to get the current alpha blend function. Same as BLEND_EQUATION BLEND_DST_RGB 0x80C8 Passed to getParameter to get the current destination RGB blend function. BLEND_SRC_RGB 0x80C9 Passed to getParameter to get the current destination RGB blend function. BLEND_DST_ALPHA 0x80CA Passed to getParameter to get the current destination alpha blend function. BLEND_SRC_ALPHA 0x80CB Passed to getParameter to get the current source alpha blend function. BLEND_COLOR 0x8005 Passed to getParameter to return a the current blend color. ARRAY_BUFFER_BINDING 0x8894 Passed to getParameter to get the array buffer binding. ELEMENT_ARRAY_BUFFER_BINDING 0x8895 Passed to getParameter to get the current element array buffer. LINE_WIDTH 0x0B21 Passed to getParameter to get the current lineWidth (set by the lineWidth method). ALIASED_POINT_SIZE_RANGE 0x846D Passed to getParameter to get the current size of a point drawn with gl.POINTS ALIASED_LINE_WIDTH_RANGE 0x846E Passed to getParameter to get the range of available widths for a line. Returns a length-2 array with the lo value at 0, and hight at 1. CULL_FACE_MODE 0x0B45 Passed to getParameter to get the current value of cullFace. Should return FRONT, BACK, or FRONT_AND_BACK FRONT_FACE 0x0B46 Passed to getParameter to determine the current value of frontFace. Should return CW or CCW. DEPTH_RANGE 0x0B70 Passed to getParameter to return a length-2 array of floats giving the current depth range. DEPTH_WRITEMASK 0x0B72 Passed to getParameter to determine if the depth write mask is enabled. DEPTH_CLEAR_VALUE 0x0B73 Passed to getParameter to determine the current depth clear value. DEPTH_FUNC 0x0B74 Passed to getParameter to get the current depth function. Returns NEVER, ALWAYS, LESS, EQUAL, LEQUAL, GREATER, GEQUAL, or NOTEQUAL. STENCIL_CLEAR_VALUE 0x0B91 Passed to getParameter to get the value the stencil will be cleared to. STENCIL_FUNC 0x0B92 Passed to getParameter to get the current stencil function. Returns NEVER, ALWAYS, LESS, EQUAL, LEQUAL, GREATER, GEQUAL, or NOTEQUAL. STENCIL_FAIL 0x0B94 Passed to getParameter to get the current stencil fail function. Should return KEEP, REPLACE, INCR, DECR, INVERT, INCR_WRAP, or DECR_WRAP. STENCIL_PASS_DEPTH_FAIL 0x0B95 Passed to getParameter to get the current stencil fail function should the depth buffer test fail. Should return KEEP, REPLACE, INCR, DECR, INVERT, INCR_WRAP, or DECR_WRAP. STENCIL_PASS_DEPTH_PASS 0x0B96 Passed to getParameter to get the current stencil fail function should the depth buffer test pass. Should return KEEP, REPLACE, INCR, DECR, INVERT, INCR_WRAP, or DECR_WRAP. STENCIL_REF 0x0B97 Passed to getParameter to get the reference value used for stencil tests. STENCIL_VALUE_MASK 0x0B93 STENCIL_WRITEMASK 0x0B98 STENCIL_BACK_FUNC 0x8800 STENCIL_BACK_FAIL 0x8801 STENCIL_BACK_PASS_DEPTH_FAIL 0x8802 STENCIL_BACK_PASS_DEPTH_PASS 0x8803 STENCIL_BACK_REF 0x8CA3 STENCIL_BACK_VALUE_MASK 0x8CA4 STENCIL_BACK_WRITEMASK 0x8CA5 VIEWPORT 0x0BA2 Returns an Int32Array with four elements for the current viewport dimensions. SCISSOR_BOX 0x0C10 Returns an Int32Array with four elements for the current scissor box dimensions. COLOR_CLEAR_VALUE 0x0C22 COLOR_WRITEMASK 0x0C23 UNPACK_ALIGNMENT 0x0CF5 PACK_ALIGNMENT 0x0D05 MAX_TEXTURE_SIZE 0x0D33 MAX_VIEWPORT_DIMS 0x0D3A SUBPIXEL_BITS 0x0D50 RED_BITS 0x0D52 GREEN_BITS 0x0D53 BLUE_BITS 0x0D54 ALPHA_BITS 0x0D55 DEPTH_BITS 0x0D56 STENCIL_BITS 0x0D57 POLYGON_OFFSET_UNITS 0x2A00 POLYGON_OFFSET_FACTOR 0x8038 TEXTURE_BINDING_2D 0x8069 SAMPLE_BUFFERS 0x80A8 SAMPLES 0x80A9 SAMPLE_COVERAGE_VALUE 0x80AA SAMPLE_COVERAGE_INVERT 0x80AB COMPRESSED_TEXTURE_FORMATS 0x86A3 VENDOR 0x1F00 RENDERER 0x1F01 VERSION 0x1F02 IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B BROWSER_DEFAULT_WEBGL 0x9244 Buffers Constants passed to WebGLRenderingContext.bufferData(), WebGLRenderingContext.bufferSubData(), WebGLRenderingContext.bindBuffer(), or WebGLRenderingContext.getBufferParameter(). Constant name Value Description STATIC_DRAW 0x88E4 Passed to bufferData as a hint about whether the contents of the buffer are likely to be used often and not change often. STREAM_DRAW 0x88E0 Passed to bufferData as a hint about whether the contents of the buffer are likely to not be used often. DYNAMIC_DRAW 0x88E8 Passed to bufferData as a hint about whether the contents of the buffer are likely to be used often and change often. ARRAY_BUFFER 0x8892 Passed to bindBuffer or bufferData to specify the type of buffer being used. ELEMENT_ARRAY_BUFFER 0x8893 Passed to bindBuffer or bufferData to specify the type of buffer being used. BUFFER_SIZE 0x8764 Passed to getBufferParameter to get a buffer's size. BUFFER_USAGE 0x8765 Passed to getBufferParameter to get the hint for the buffer passed in when it was created. Vertex attributes Constants passed to WebGLRenderingContext.getVertexAttrib(). Constant name Value Description CURRENT_VERTEX_ATTRIB 0x8626 Passed to getVertexAttrib to read back the current vertex attribute. VERTEX_ATTRIB_ARRAY_ENABLED 0x8622 VERTEX_ATTRIB_ARRAY_SIZE 0x8623 VERTEX_ATTRIB_ARRAY_STRIDE 0x8624 VERTEX_ATTRIB_ARRAY_TYPE 0x8625 VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A VERTEX_ATTRIB_ARRAY_POINTER 0x8645 VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F Culling Constants passed to WebGLRenderingContext.cullFace(). Constant name Value Description CULL_FACE 0x0B44 Passed to enable/disable to turn on/off culling. Can also be used with getParameter to find the current culling method. FRONT 0x0404 Passed to cullFace to specify that only front faces should be drawn. BACK 0x0405 Passed to cullFace to specify that only back faces should be drawn. FRONT_AND_BACK 0x0408 Passed to cullFace to specify that front and back faces should be drawn. Enabling and disabling Constants passed to WebGLRenderingContext.enable() or WebGLRenderingContext.disable(). Constant name Value Description BLEND 0x0BE2 Passed to enable/disable to turn on/off blending. Can also be used with getParameter to find the current blending method. DEPTH_TEST 0x0B71 Passed to enable/disable to turn on/off the depth test. Can also be used with getParameter to query the depth test. DITHER 0x0BD0 Passed to enable/disable to turn on/off dithering. Can also be used with getParameter to find the current dithering method. POLYGON_OFFSET_FILL 0x8037 Passed to enable/disable to turn on/off the polygon offset. Useful for rendering hidden-line images, decals, and or solids with highlighted edges. Can also be used with getParameter to query the scissor test. SAMPLE_ALPHA_TO_COVERAGE 0x809E Passed to enable/disable to turn on/off the alpha to coverage. Used in multi-sampling alpha channels. SAMPLE_COVERAGE 0x80A0 Passed to enable/disable to turn on/off the sample coverage. Used in multi-sampling. SCISSOR_TEST 0x0C11 Passed to enable/disable to turn on/off the scissor test. Can also be used with getParameter to query the scissor test. STENCIL_TEST 0x0B90 Passed to enable/disable to turn on/off the stencil test. Can also be used with getParameter to query the stencil test. Errors Constants returned from WebGLRenderingContext.getError(). Constant name Value Description NO_ERROR 0 Returned from getError. INVALID_ENUM 0x0500 Returned from getError. INVALID_VALUE 0x0501 Returned from getError. INVALID_OPERATION 0x0502 Returned from getError. OUT_OF_MEMORY 0x0505 Returned from getError. CONTEXT_LOST_WEBGL 0x9242 Returned from getError. Front face directions Constants passed to WebGLRenderingContext.frontFace(). Constant name Value Description CW 0x0900 Passed to frontFace to specify the front face of a polygon is drawn in the clockwise direction CCW 0x0901 Passed to frontFace to specify the front face of a polygon is drawn in the counter clockwise direction Hints Constants passed to WebGLRenderingContext.hint() Constant name Value Description DONT_CARE 0x1100 There is no preference for this behavior. FASTEST 0x1101 The most efficient behavior should be used. NICEST 0x1102 The most correct or the highest quality option should be used. GENERATE_MIPMAP_HINT 0x8192 Hint for the quality of filtering when generating mipmap images with WebGLRenderingContext.generateMipmap(). Data types Constant name Value Description BYTE 0x1400 UNSIGNED_BYTE 0x1401 SHORT 0x1402 UNSIGNED_SHORT 0x1403 INT 0x1404 UNSIGNED_INT 0x1405 FLOAT 0x1406 Pixel formats Constant name Value Description DEPTH_COMPONENT 0x1902 ALPHA 0x1906 RGB 0x1907 RGBA 0x1908 LUMINANCE 0x1909 LUMINANCE_ALPHA 0x190A Pixel types Constant name Value Description UNSIGNED_BYTE 0x1401 UNSIGNED_SHORT_4_4_4_4 0x8033 UNSIGNED_SHORT_5_5_5_1 0x8034 UNSIGNED_SHORT_5_6_5 0x8363 Shaders Constants passed to WebGLRenderingContext.createShader() or WebGLRenderingContext.getShaderParameter() Constant name Value Description FRAGMENT_SHADER 0x8B30 Passed to createShader to define a fragment shader. VERTEX_SHADER 0x8B31 Passed to createShader to define a vertex shader COMPILE_STATUS 0x8B81 Passed to getShaderParamter to get the status of the compilation. Returns false if the shader was not compiled. You can then query getShaderInfoLog to find the exact error DELETE_STATUS 0x8B80 Passed to getShaderParamter to determine if a shader was deleted via deleteShader. Returns true if it was, false otherwise. LINK_STATUS 0x8B82 Passed to getProgramParameter after calling linkProgram to determine if a program was linked correctly. Returns false if there were errors. Use getProgramInfoLog to find the exact error. VALIDATE_STATUS 0x8B83 Passed to getProgramParameter after calling validateProgram to determine if it is valid. Returns false if errors were found. ATTACHED_SHADERS 0x8B85 Passed to getProgramParameter after calling attachShader to determine if the shader was attached correctly. Returns false if errors occurred. ACTIVE_ATTRIBUTES 0x8B89 Passed to getProgramParameter to get the number of attributes active in a program. ACTIVE_UNIFORMS 0x8B86 Passed to getProgramParamter to get the number of uniforms active in a program. MAX_VERTEX_ATTRIBS 0x8869 The maximum number of entries possible in the vertex attribute list. MAX_VERTEX_UNIFORM_VECTORS 0x8DFB MAX_VARYING_VECTORS 0x8DFC MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C MAX_TEXTURE_IMAGE_UNITS 0x8872 Implementation dependent number of maximum texture units. At least 8. MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD SHADER_TYPE 0x8B4F SHADING_LANGUAGE_VERSION 0x8B8C CURRENT_PROGRAM 0x8B8D Depth or stencil tests Constants passed to WebGLRenderingContext.depthFunc() or WebGLRenderingContext.stencilFunc(). Constant name Value Description NEVER 0x0200 Passed to depthFunction or stencilFunction to specify depth or stencil tests will never pass. i.e. Nothing will be drawn. ALWAYS 0x0207 Passed to depthFunction or stencilFunction to specify depth or stencil tests will always pass. i.e. Pixels will be drawn in the order they are drawn. LESS 0x0201 Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is less than the stored value. EQUAL 0x0202 Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is equals to the stored value. LEQUAL 0x0203 Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is less than or equal to the stored value. GREATER 0x0204 Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is greater than the stored value. GEQUAL 0x0206 Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is greater than or equal to the stored value. NOTEQUAL 0x0205 Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is not equal to the stored value. Stencil actions Constants passed to WebGLRenderingContext.stencilOp(). Constant name Value Description KEEP 0x1E00 REPLACE 0x1E01 INCR 0x1E02 DECR 0x1E03 INVERT 0x150A INCR_WRAP 0x8507 DECR_WRAP 0x8508 Textures Constants passed to WebGLRenderingContext.texParameteri(), WebGLRenderingContext.texParameterf(), WebGLRenderingContext.bindTexture(), WebGLRenderingContext.texImage2D(), and others. Constant name Value Description NEAREST 0x2600 LINEAR 0x2601 NEAREST_MIPMAP_NEAREST 0x2700 LINEAR_MIPMAP_NEAREST 0x2701 NEAREST_MIPMAP_LINEAR 0x2702 LINEAR_MIPMAP_LINEAR 0x2703 TEXTURE_MAG_FILTER 0x2800 TEXTURE_MIN_FILTER 0x2801 TEXTURE_WRAP_S 0x2802 TEXTURE_WRAP_T 0x2803 TEXTURE_2D 0x0DE1 TEXTURE 0x1702 TEXTURE_CUBE_MAP 0x8513 TEXTURE_BINDING_CUBE_MAP 0x8514 TEXTURE_CUBE_MAP_POSITIVE_X 0x8515 TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516 TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517 TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518 TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519 TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A MAX_CUBE_MAP_TEXTURE_SIZE 0x851C TEXTURE0 - 31 0x84C0 - 0x84DF A texture unit. ACTIVE_TEXTURE 0x84E0 The current active texture unit. REPEAT 0x2901 CLAMP_TO_EDGE 0x812F MIRRORED_REPEAT 0x8370 Uniform types Constant name Value Description FLOAT_VEC2 0x8B50 FLOAT_VEC3 0x8B51 FLOAT_VEC4 0x8B52 INT_VEC2 0x8B53 INT_VEC3 0x8B54 INT_VEC4 0x8B55 BOOL 0x8B56 BOOL_VEC2 0x8B57 BOOL_VEC3 0x8B58 BOOL_VEC4 0x8B59 FLOAT_MAT2 0x8B5A FLOAT_MAT3 0x8B5B FLOAT_MAT4 0x8B5C SAMPLER_2D 0x8B5E SAMPLER_CUBE 0x8B60 Shader precision-specified types Constant name Value Description LOW_FLOAT 0x8DF0 MEDIUM_FLOAT 0x8DF1 HIGH_FLOAT 0x8DF2 LOW_INT 0x8DF3 MEDIUM_INT 0x8DF4 HIGH_INT 0x8DF5 Framebuffers and renderbuffers Constant name Value Description FRAMEBUFFER 0x8D40 RENDERBUFFER 0x8D41 RGBA4 0x8056 RGB5_A1 0x8057 RGB565 0x8D62 DEPTH_COMPONENT16 0x81A5 STENCIL_INDEX 0x1901 STENCIL_INDEX8 0x8D48 DEPTH_STENCIL 0x84F9 RENDERBUFFER_WIDTH 0x8D42 RENDERBUFFER_HEIGHT 0x8D43 RENDERBUFFER_INTERNAL_FORMAT 0x8D44 RENDERBUFFER_RED_SIZE 0x8D50 RENDERBUFFER_GREEN_SIZE 0x8D51 RENDERBUFFER_BLUE_SIZE 0x8D52 RENDERBUFFER_ALPHA_SIZE 0x8D53 RENDERBUFFER_DEPTH_SIZE 0x8D54 RENDERBUFFER_STENCIL_SIZE 0x8D55 FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0 FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1 FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2 FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3 COLOR_ATTACHMENT0 0x8CE0 DEPTH_ATTACHMENT 0x8D00 STENCIL_ATTACHMENT 0x8D20 DEPTH_STENCIL_ATTACHMENT 0x821A NONE 0 FRAMEBUFFER_COMPLETE 0x8CD5 FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6 FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7 FRAMEBUFFER_INCOMPLETE_DIMENSIONS 0x8CD9 FRAMEBUFFER_UNSUPPORTED 0x8CDD FRAMEBUFFER_BINDING 0x8CA6 RENDERBUFFER_BINDING 0x8CA7 MAX_RENDERBUFFER_SIZE 0x84E8 INVALID_FRAMEBUFFER_OPERATION 0x0506 Pixel storage modes Constants passed to WebGLRenderingContext.pixelStorei(). Constant name Value Description UNPACK_FLIP_Y_WEBGL 0x9240 UNPACK_PREMULTIPLY_ALPHA_WEBGL 0x9241 UNPACK_COLORSPACE_CONVERSION_WEBGL 0x9243 Additional constants defined WebGL 2 These constants are defined on the WebGL2RenderingContext interface. All WebGL 1 constants are also available in a WebGL 2 context. Getting GL parameter information Constants passed to WebGLRenderingContext.getParameter() to specify what information to return. Constant name Value Description READ_BUFFER 0x0C02 UNPACK_ROW_LENGTH 0x0CF2 UNPACK_SKIP_ROWS 0x0CF3 UNPACK_SKIP_PIXELS 0x0CF4 PACK_ROW_LENGTH 0x0D02 PACK_SKIP_ROWS 0x0D03 PACK_SKIP_PIXELS 0x0D04 TEXTURE_BINDING_3D 0x806A UNPACK_SKIP_IMAGES 0x806D UNPACK_IMAGE_HEIGHT 0x806E MAX_3D_TEXTURE_SIZE 0x8073 MAX_ELEMENTS_VERTICES 0x80E8 MAX_ELEMENTS_INDICES 0x80E9 MAX_TEXTURE_LOD_BIAS 0x84FD MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49 MAX_VERTEX_UNIFORM_COMPONENTS 0x8B4A MAX_ARRAY_TEXTURE_LAYERS 0x88FF MIN_PROGRAM_TEXEL_OFFSET 0x8904 MAX_PROGRAM_TEXEL_OFFSET 0x8905 MAX_VARYING_COMPONENTS 0x8B4B FRAGMENT_SHADER_DERIVATIVE_HINT 0x8B8B RASTERIZER_DISCARD 0x8C89 VERTEX_ARRAY_BINDING 0x85B5 MAX_VERTEX_OUTPUT_COMPONENTS 0x9122 MAX_FRAGMENT_INPUT_COMPONENTS 0x9125 MAX_SERVER_WAIT_TIMEOUT 0x9111 MAX_ELEMENT_INDEX 0x8D6B Textures Constants passed to WebGLRenderingContext.texParameteri(), WebGLRenderingContext.texParameterf(), WebGLRenderingContext.bindTexture(), WebGLRenderingContext.texImage2D(), and others. Constant name Value Description RED 0x1903 RGB8 0x8051 RGBA8 0x8058 RGB10_A2 0x8059 TEXTURE_3D 0x806F TEXTURE_WRAP_R 0x8072 TEXTURE_MIN_LOD 0x813A TEXTURE_MAX_LOD 0x813B TEXTURE_BASE_LEVEL 0x813C TEXTURE_MAX_LEVEL 0x813D TEXTURE_COMPARE_MODE 0x884C TEXTURE_COMPARE_FUNC 0x884D SRGB 0x8C40 SRGB8 0x8C41 SRGB8_ALPHA8 0x8C43 COMPARE_REF_TO_TEXTURE 0x884E RGBA32F 0x8814 RGB32F 0x8815 RGBA16F 0x881A RGB16F 0x881B TEXTURE_2D_ARRAY 0x8C1A TEXTURE_BINDING_2D_ARRAY 0x8C1D R11F_G11F_B10F 0x8C3A RGB9_E5 0x8C3D RGBA32UI 0x8D70 RGB32UI 0x8D71 RGBA16UI 0x8D76 RGB16UI 0x8D77 RGBA8UI 0x8D7C RGB8UI 0x8D7D RGBA32I 0x8D82 RGB32I 0x8D83 RGBA16I 0x8D88 RGB16I 0x8D89 RGBA8I 0x8D8E RGB8I 0x8D8F RED_INTEGER 0x8D94 RGB_INTEGER 0x8D98 RGBA_INTEGER 0x8D99 R8 0x8229 RG8 0x822B R16F 0x822D R32F 0x822E RG16F 0x822F RG32F 0x8230 R8I 0x8231 R8UI 0x8232 R16I 0x8233 R16UI 0x8234 R32I 0x8235 R32UI 0x8236 RG8I 0x8237 RG8UI 0x8238 RG16I 0x8239 RG16UI 0x823A RG32I 0x823B RG32UI 0x823C R8_SNORM 0x8F94 RG8_SNORM 0x8F95 RGB8_SNORM 0x8F96 RGBA8_SNORM 0x8F97 RGB10_A2UI 0x906F TEXTURE_IMMUTABLE_FORMAT 0x912F TEXTURE_IMMUTABLE_LEVELS 0x82DF Pixel types Constant name Value Description UNSIGNED_INT_2_10_10_10_REV 0x8368 UNSIGNED_INT_10F_11F_11F_REV 0x8C3B UNSIGNED_INT_5_9_9_9_REV 0x8C3E FLOAT_32_UNSIGNED_INT_24_8_REV 0x8DAD UNSIGNED_INT_24_8 0x84FA HALF_FLOAT 0x140B RG 0x8227 RG_INTEGER 0x8228 INT_2_10_10_10_REV 0x8D9F Queries Constant name Value Description CURRENT_QUERY 0x8865 QUERY_RESULT 0x8866 QUERY_RESULT_AVAILABLE 0x8867 ANY_SAMPLES_PASSED 0x8C2F ANY_SAMPLES_PASSED_CONSERVATIVE 0x8D6A Draw buffers Constant name Value Description MAX_DRAW_BUFFERS 0x8824 DRAW_BUFFER0 0x8825 DRAW_BUFFER1 0x8826 DRAW_BUFFER2 0x8827 DRAW_BUFFER3 0x8828 DRAW_BUFFER4 0x8829 DRAW_BUFFER5 0x882A DRAW_BUFFER6 0x882B DRAW_BUFFER7 0x882C DRAW_BUFFER8 0x882D DRAW_BUFFER9 0x882E DRAW_BUFFER10 0x882F DRAW_BUFFER11 0x8830 DRAW_BUFFER12 0x8831 DRAW_BUFFER13 0x8832 DRAW_BUFFER14 0x8833 DRAW_BUFFER15 0x8834 MAX_COLOR_ATTACHMENTS 0x8CDF COLOR_ATTACHMENT1 0x8CE1 COLOR_ATTACHMENT2 0x8CE2 COLOR_ATTACHMENT3 0x8CE3 COLOR_ATTACHMENT4 0x8CE4 COLOR_ATTACHMENT5 0x8CE5 COLOR_ATTACHMENT6 0x8CE6 COLOR_ATTACHMENT7 0x8CE7 COLOR_ATTACHMENT8 0x8CE8 COLOR_ATTACHMENT9 0x8CE9 COLOR_ATTACHMENT10 0x8CEA COLOR_ATTACHMENT11 0x8CEB COLOR_ATTACHMENT12 0x8CEC COLOR_ATTACHMENT13 0x8CED COLOR_ATTACHMENT14 0x8CEE COLOR_ATTACHMENT15 0x8CEF Samplers Constant name Value Description SAMPLER_3D 0x8B5F SAMPLER_2D_SHADOW 0x8B62 SAMPLER_2D_ARRAY 0x8DC1 SAMPLER_2D_ARRAY_SHADOW 0x8DC4 SAMPLER_CUBE_SHADOW 0x8DC5 INT_SAMPLER_2D 0x8DCA INT_SAMPLER_3D 0x8DCB INT_SAMPLER_CUBE 0x8DCC INT_SAMPLER_2D_ARRAY 0x8DCF UNSIGNED_INT_SAMPLER_2D 0x8DD2 UNSIGNED_INT_SAMPLER_3D 0x8DD3 UNSIGNED_INT_SAMPLER_CUBE 0x8DD4 UNSIGNED_INT_SAMPLER_2D_ARRAY 0x8DD7 MAX_SAMPLES 0x8D57 SAMPLER_BINDING 0x8919 Buffers Constant name Value Description PIXEL_PACK_BUFFER 0x88EB PIXEL_UNPACK_BUFFER 0x88EC PIXEL_PACK_BUFFER_BINDING 0x88ED PIXEL_UNPACK_BUFFER_BINDING 0x88EF COPY_READ_BUFFER 0x8F36 COPY_WRITE_BUFFER 0x8F37 COPY_READ_BUFFER_BINDING 0x8F36 COPY_WRITE_BUFFER_BINDING 0x8F37 Data types Constant name Value Description FLOAT_MAT2x3 0x8B65 FLOAT_MAT2x4 0x8B66 FLOAT_MAT3x2 0x8B67 FLOAT_MAT3x4 0x8B68 FLOAT_MAT4x2 0x8B69 FLOAT_MAT4x3 0x8B6A UNSIGNED_INT_VEC2 0x8DC6 UNSIGNED_INT_VEC3 0x8DC7 UNSIGNED_INT_VEC4 0x8DC8 UNSIGNED_NORMALIZED 0x8C17 SIGNED_NORMALIZED 0x8F9C Vertex attributes Constant name Value Description VERTEX_ATTRIB_ARRAY_INTEGER 0x88FD VERTEX_ATTRIB_ARRAY_DIVISOR 0x88FE Transform feedback Constant name Value Description TRANSFORM_FEEDBACK_BUFFER_MODE 0x8C7F MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS 0x8C80 TRANSFORM_FEEDBACK_VARYINGS 0x8C83 TRANSFORM_FEEDBACK_BUFFER_START 0x8C84 TRANSFORM_FEEDBACK_BUFFER_SIZE 0x8C85 TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN 0x8C88 MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS 0x8C8A MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS 0x8C8B INTERLEAVED_ATTRIBS 0x8C8C SEPARATE_ATTRIBS 0x8C8D TRANSFORM_FEEDBACK_BUFFER 0x8C8E TRANSFORM_FEEDBACK_BUFFER_BINDING 0x8C8F TRANSFORM_FEEDBACK 0x8E22 TRANSFORM_FEEDBACK_PAUSED 0x8E23 TRANSFORM_FEEDBACK_ACTIVE 0x8E24 TRANSFORM_FEEDBACK_BINDING 0x8E25 Framebuffers and renderbuffers Constant name Value Description FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING 0x8210 FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE 0x8211 FRAMEBUFFER_ATTACHMENT_RED_SIZE 0x8212 FRAMEBUFFER_ATTACHMENT_GREEN_SIZE 0x8213 FRAMEBUFFER_ATTACHMENT_BLUE_SIZE 0x8214 FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE 0x8215 FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE 0x8216 FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE 0x8217 FRAMEBUFFER_DEFAULT 0x8218 DEPTH_STENCIL_ATTACHMENT 0x821A DEPTH_STENCIL 0x84F9 DEPTH24_STENCIL8 0x88F0 DRAW_FRAMEBUFFER_BINDING 0x8CA6 READ_FRAMEBUFFER 0x8CA8 DRAW_FRAMEBUFFER 0x8CA9 READ_FRAMEBUFFER_BINDING 0x8CAA RENDERBUFFER_SAMPLES 0x8CAB FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER 0x8CD4 FRAMEBUFFER_INCOMPLETE_MULTISAMPLE 0x8D56 Uniforms Constant name Value Description UNIFORM_BUFFER 0x8A11 UNIFORM_BUFFER_BINDING 0x8A28 UNIFORM_BUFFER_START 0x8A29 UNIFORM_BUFFER_SIZE 0x8A2A MAX_VERTEX_UNIFORM_BLOCKS 0x8A2B MAX_FRAGMENT_UNIFORM_BLOCKS 0x8A2D MAX_COMBINED_UNIFORM_BLOCKS 0x8A2E MAX_UNIFORM_BUFFER_BINDINGS 0x8A2F MAX_UNIFORM_BLOCK_SIZE 0x8A30 MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS 0x8A31 MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS 0x8A33 UNIFORM_BUFFER_OFFSET_ALIGNMENT 0x8A34 ACTIVE_UNIFORM_BLOCKS 0x8A36 UNIFORM_TYPE 0x8A37 UNIFORM_SIZE 0x8A38 UNIFORM_BLOCK_INDEX 0x8A3A UNIFORM_OFFSET 0x8A3B UNIFORM_ARRAY_STRIDE 0x8A3C UNIFORM_MATRIX_STRIDE 0x8A3D UNIFORM_IS_ROW_MAJOR 0x8A3E UNIFORM_BLOCK_BINDING 0x8A3F UNIFORM_BLOCK_DATA_SIZE 0x8A40 UNIFORM_BLOCK_ACTIVE_UNIFORMS 0x8A42 UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES 0x8A43 UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER 0x8A44 UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER 0x8A46 Sync objects Constant name Value Description OBJECT_TYPE 0x9112 SYNC_CONDITION 0x9113 SYNC_STATUS 0x9114 SYNC_FLAGS 0x9115 SYNC_FENCE 0x9116 SYNC_GPU_COMMANDS_COMPLETE 0x9117 UNSIGNALED 0x9118 SIGNALED 0x9119 ALREADY_SIGNALED 0x911A TIMEOUT_EXPIRED 0x911B CONDITION_SATISFIED 0x911C WAIT_FAILED 0x911D SYNC_FLUSH_COMMANDS_BIT 0x00000001 Miscellaneous constants Constant name Value Description COLOR 0x1800 DEPTH 0x1801 STENCIL 0x1802 MIN 0x8007 MAX 0x8008 DEPTH_COMPONENT24 0x81A6 STREAM_READ 0x88E1 STREAM_COPY 0x88E2 STATIC_READ 0x88E5 STATIC_COPY 0x88E6 DYNAMIC_READ 0x88E9 DYNAMIC_COPY 0x88EA DEPTH_COMPONENT32F 0x8CAC DEPTH32F_STENCIL8 0x8CAD INVALID_INDEX 0xFFFFFFFF TIMEOUT_IGNORED -1 MAX_CLIENT_WAIT_TIMEOUT_WEBGL 0x9247 Constants defined in WebGL extensions ANGLE_instanced_arrays Constant name Value Description VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE 0x88FE Describes the frequency divisor used for instanced rendering. WEBGL_debug_renderer_info Constant name Value Description UNMASKED_VENDOR_WEBGL 0x9245 Passed to getParameter to get the vendor string of the graphics driver. UNMASKED_RENDERER_WEBGL 0x9246 Passed to getParameter to get the renderer string of the graphics driver. EXT_texture_filter_anisotropic Constant name Value Description MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF Returns the maximum available anisotropy. TEXTURE_MAX_ANISOTROPY_EXT 0x84FE Passed to texParameter to set the desired maximum anisotropy for a texture. WEBGL_compressed_texture_s3tc Constant name Value Description COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0 A DXT1-compressed image in an RGB image format. COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1 A DXT1-compressed image in an RGB image format with a simple on/off alpha value. COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2 A DXT3-compressed image in an RGBA image format. Compared to a 32-bit RGBA texture, it offers 4:1 compression. COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3 A DXT5-compressed image in an RGBA image format. It also provides a 4:1 compression, but differs to the DXT3 compression in how the alpha compression is done. WEBGL_compressed_texture_etc Constant name Value Description COMPRESSED_R11_EAC 0x9270 One-channel (red) unsigned format compression. COMPRESSED_SIGNED_R11_EAC 0x9271 One-channel (red) signed format compression. COMPRESSED_RG11_EAC 0x9272 Two-channel (red and green) unsigned format compression. COMPRESSED_SIGNED_RG11_EAC 0x9273 Two-channel (red and green) signed format compression. COMPRESSED_RGB8_ETC2 0x9274 Compresses RBG8 data with no alpha channel. COMPRESSED_RGBA8_ETC2_EAC 0x9275 Compresses RGBA8 data. The RGB part is encoded the same as RGB_ETC2, but the alpha part is encoded separately. COMPRESSED_SRGB8_ETC2 0x9276 Compresses sRBG8 data with no alpha channel. COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9277 Compresses sRGBA8 data. The sRGB part is encoded the same as SRGB_ETC2, but the alpha part is encoded separately. COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9278 Similar to RGB8_ETC, but with ability to punch through the alpha channel, which means to make it completely opaque or transparent. COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9279 Similar to SRGB8_ETC, but with ability to punch through the alpha channel, which means to make it completely opaque or transparent. WEBGL_compressed_texture_pvrtc Constant name Value Description COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00 RGB compression in 4-bit mode. One block for each 4×4 pixels. COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02 RGBA compression in 4-bit mode. One block for each 4×4 pixels. COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01 RGB compression in 2-bit mode. One block for each 8×4 pixels. COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03 RGBA compression in 2-bit mode. One block for each 8×4 pixe WEBGL_compressed_texture_etc1 Constant name Value Description COMPRESSED_RGB_ETC1_WEBGL 0x8D64 Compresses 24-bit RGB data with no alpha channel. WEBGL_compressed_texture_atc Constant name Value Description COMPRESSED_RGB_ATC_WEBGL 0x8C92 Compresses RGB textures with no alpha channel. COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL 0x8C92 Compresses RGBA textures using explicit alpha encoding (useful when alpha transitions are sharp). COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL 0x87EE Compresses RGBA textures using interpolated alpha encoding (useful when alpha transitions are gradient). WEBGL_depth_texture Constant name Value Description UNSIGNED_INT_24_8_WEBGL 0x84FA Unsigned integer type for 24-bit depth texture data. OES_texture_half_float Constant name Value Description HALF_FLOAT_OES 0x8D61 Half floating-point type (16-bit). WEBGL_color_buffer_float Constant name Value Description RGBA32F_EXT 0x8814 RGBA 32-bit floating-point color-renderable format. RGB32F_EXT 0x8815 RGB 32-bit floating-point color-renderable format. FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE_EXT 0x8211 UNSIGNED_NORMALIZED_EXT 0x8C17 EXT_blend_minmax Constant name Value Description MIN_EXT 0x8007 Produces the minimum color components of the source and destination colors. MAX_EXT 0x8008 Produces the maximum color components of the source and destination colors. EXT_sRGB Constant name Value Description SRGB_EXT 0x8C40 Unsized sRGB format that leaves the precision up to the driver. SRGB_ALPHA_EXT 0x8C42 Unsized sRGB format with unsized alpha component. SRGB8_ALPHA8_EXT 0x8C43 Sized (8-bit) sRGB and alpha formats. FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210 Returns the framebuffer color encoding. OES_standard_derivatives Constant name Value Description FRAGMENT_SHADER_DERIVATIVE_HINT_OES 0x8B8B Indicates the accuracy of the derivative calculation for the GLSL built-in functions: dFdx, dFdy, and fwidth. WEBGL_draw_buffers Constant name Value Description COLOR_ATTACHMENT0_WEBGL 0x8CE0 Framebuffer color attachment point COLOR_ATTACHMENT1_WEBGL 0x8CE1 Framebuffer color attachment point COLOR_ATTACHMENT2_WEBGL 0x8CE2 Framebuffer color attachment point COLOR_ATTACHMENT3_WEBGL 0x8CE3 Framebuffer color attachment point COLOR_ATTACHMENT4_WEBGL 0x8CE4 Framebuffer color attachment point COLOR_ATTACHMENT5_WEBGL 0x8CE5 Framebuffer color attachment point COLOR_ATTACHMENT6_WEBGL 0x8CE6 Framebuffer color attachment point COLOR_ATTACHMENT7_WEBGL 0x8CE7 Framebuffer color attachment point COLOR_ATTACHMENT8_WEBGL 0x8CE8 Framebuffer color attachment point COLOR_ATTACHMENT9_WEBGL 0x8CE9 Framebuffer color attachment point COLOR_ATTACHMENT10_WEBGL 0x8CEA Framebuffer color attachment point COLOR_ATTACHMENT11_WEBGL 0x8CEB Framebuffer color attachment point COLOR_ATTACHMENT12_WEBGL 0x8CEC Framebuffer color attachment point COLOR_ATTACHMENT13_WEBGL 0x8CED Framebuffer color attachment point COLOR_ATTACHMENT14_WEBGL 0x8CEE Framebuffer color attachment point COLOR_ATTACHMENT15_WEBGL 0x8CEF Framebuffer color attachment point DRAW_BUFFER0_WEBGL 0x8825 Draw buffer DRAW_BUFFER1_WEBGL 0x8826 Draw buffer DRAW_BUFFER2_WEBGL 0x8827 Draw buffer DRAW_BUFFER3_WEBGL 0x8828 Draw buffer DRAW_BUFFER4_WEBGL 0x8829 Draw buffer DRAW_BUFFER5_WEBGL 0x882A Draw buffer DRAW_BUFFER6_WEBGL 0x882B Draw buffer DRAW_BUFFER7_WEBGL 0x882C Draw buffer DRAW_BUFFER8_WEBGL 0x882D Draw buffer DRAW_BUFFER9_WEBGL 0x882E Draw buffer DRAW_BUFFER10_WEBGL 0x882F Draw buffer DRAW_BUFFER11_WEBGL 0x8830 Draw buffer DRAW_BUFFER12_WEBGL 0x8831 Draw buffer DRAW_BUFFER13_WEBGL 0x8832 Draw buffer DRAW_BUFFER14_WEBGL 0x8833 Draw buffer DRAW_BUFFER15_WEBGL 0x8834 Draw buffer MAX_COLOR_ATTACHMENTS_WEBGL 0x8CDF Maximum number of framebuffer color attachment points MAX_DRAW_BUFFERS_WEBGL 0x8824 Maximum number of draw buffers OES_vertex_array_object Constant name Value Description VERTEX_ARRAY_BINDING_OES 0x85B5 The bound vertex array object (VAO). EXT_disjoint_timer_query Constant name Value Description QUERY_COUNTER_BITS_EXT 0x8864 The number of bits used to hold the query result for the given target. CURRENT_QUERY_EXT 0x8865 The currently active query. QUERY_RESULT_EXT 0x8866 The query result. QUERY_RESULT_AVAILABLE_EXT 0x8867 A Boolean indicating whether or not a query result is available. TIME_ELAPSED_EXT 0x88BF Elapsed time (in nanoseconds). TIMESTAMP_EXT 0x8E28 The current time. GPU_DISJOINT_EXT 0x8FBB A Boolean indicating whether or not the GPU performed any disjoint operation.`; function capitalizeFirstLetter(string) { return string.charAt(0).toUpperCase() + string.slice(1); } let out = ''; input.split('\n').map(line=>{ var array = line.split('\t'); array[0] = array[0].split('_').map(token=>token.toLowerCase()).map(capitalizeFirstLetter).join(''); out+= '/// '+array[2]+'\n'; out+= array[0] + '=' + array[1] + ',\n' }) require('fs').writeFileSync('./out.txt',out);