{-# LANGUAGE NullaryTypeClasses, TypeFamilies, UndecidableInstances #-} {-| The GHCJS/WebGL backend. This just exports the instances for 'BackendIO' and 'GLES'. -} module FWGL.Backend.JavaScript () where import Control.Applicative import Control.Concurrent import qualified Data.HashMap.Strict as H import Data.IORef import Data.Word import FRP.Yampa import FWGL.Backend import FWGL.Backend.JavaScript.Event import qualified FWGL.Backend.JavaScript.WebGL as JS import FWGL.Graphics.Color import FWGL.Input import FWGL.Vector import GHCJS.Foreign import GHCJS.Types import GHCJS.Marshal foreign import javascript unsafe "var img = new Image(); \ \img.src = $1; \ \img.onload = function() { return $2(img); }; " loadImageRaw :: JSString -> JSFun (JSRef a -> IO ()) -> IO () foreign import javascript unsafe "document.querySelector($1)" query :: JSString -> IO (JSRef a) foreign import javascript unsafe "$2.getAttribute($1)" getAttributeRaw :: JSString -> JSRef a -> IO JSString getAttribute :: String -> JSRef a -> IO String getAttribute attr e = fromJSString <$> getAttributeRaw (toJSString attr) e foreign import javascript unsafe "window.requestAnimationFrame($1)" requestAnimationFrame :: JSFun (JSRef Double -> IO ()) -> IO () foreign import javascript unsafe "$1.focus()" focus :: JSRef a -> IO () instance BackendIO where loadImage url f = asyncCallback1 NeverRetain callback >>= loadImageRaw (toJSString url) where callback img = do (Just w) <- getProp "width" img >>= fromJSRef (Just h) <- getProp "height" img >>= fromJSRef f (img, w, h) setup initState draw sigf = do element <- query $ toJSString "canvas" eventSrc <- source handledEvents element ctx <- JS.getCtx element (Just w) <- getProp "clientWidth" element >>= fromJSRef (Just h) <- getProp "clientHeight" element >>= fromJSRef focus element -- ... no drawStateRef <- initState w h ctx >>= newIORef reactStateRef <- reactInit (return $ initInput w h) (\ _ _ -> actuate ctx drawStateRef) sigf onFrame $ frame reactStateRef eventSrc Nothing where frame rsf src last crf = do events <- clear src (Just cur) <- fromJSRef crf let tm = case last of Just l -> cur - l Nothing -> 0 react rsf (tm, Just $ Input events) -- print tm -- debug onFrame $ frame rsf src (Just cur) onFrame handler = asyncCallback1 NeverRetain handler >>= requestAnimationFrame initInput w h = Input $ H.singleton Resize [ EventData { dataFramebufferSize = Just (w, h), dataPointer = Nothing, dataButton = Nothing, dataKey = Nothing }] actuate ctx ref out = readIORef ref >>= draw out ctx >>= -- execDraw (drawBegin >> drawScene s) >>= writeIORef ref >> return False handledEvents = [ MouseUp , MouseDown , MouseMove , KeyUp , KeyDown , Resize ] instance GLES where type Ctx = JS.Ctx type GLEnum = Word type GLUInt = Word type GLInt = Int type GLPtr = Word type GLPtrDiff = Word type GLSize = Int type GLString = JSString type GLBool = Bool type Buffer = JS.Buffer type UniformLocation = JS.UniformLocation type Texture = JS.Texture type Shader = JS.Shader type Program = JS.Program type FrameBuffer = JS.FrameBuffer type RenderBuffer = JS.RenderBuffer -- type ActiveInfo = JS.ActiveInfo -- type ShaderPrecisionFormat = JS.ShaderPrecisionFormat type Array = JS.ArrayBufferView type Float32Array = JS.Float32Array type Int32Array = JS.Int32Array type Image = JS.Image true = True false = False nullGLPtr = 0 toGLString = toJSString noBuffer = JS.noBuffer noTexture = JS.noTexture encodeM2 (M2 (V2 a1 a2) (V2 b1 b2)) = JS.listToJSArray [ a1, a2, b1, b2] >>= JS.float32Array encodeM3 (M3 (V3 a1 a2 a3) (V3 b1 b2 b3) (V3 c1 c2 c3)) = JS.listToJSArray [ a1, a2, a3 , b1, b2, b3 , c1, c2, c3] >>= JS.float32Array encodeM4 (M4 (V4 a1 a2 a3 a4) (V4 b1 b2 b3 b4) (V4 c1 c2 c3 c4) (V4 d1 d2 d3 d4) ) = JS.listToJSArray [ a1, a2, a3, a4 , b1, b2, b3, b4 , c1, c2, c3, c4 , d1, d2, d3, d4 ] >>= JS.float32Array encodeFloats v = JS.listToJSArray v >>= JS.float32View -- TODO: decent implementation encodeV2s v = JS.toJSArray next (False, v) >>= JS.float32View where next (False, xs@(V2 x _ : _)) = Just (x, (True, xs)) next (True, V2 _ y : xs) = Just (y, (False, xs)) next (_, []) = Nothing encodeV3s v = JS.toJSArray next (0, v) >>= JS.float32View where next (0, xs@(V3 x _ _ : _)) = Just (x, (1, xs)) next (1, xs@(V3 _ y _ : _)) = Just (y, (2, xs)) next (2, V3 _ _ z : xs) = Just (z, (0, xs)) next (_, []) = Nothing -- TODO encodeV4s = error "encodeV4s: TODO" encodeUShorts v = JS.listToJSArray v >>= JS.uint16View encodeColors v = JS.toJSArray next (0, v) >>= JS.uint8View where next (0, xs@(Color x _ _ _ : _)) = Just (x, (1, xs)) next (1, xs@(Color _ y _ _ : _)) = Just (y, (2, xs)) next (2, xs@(Color _ _ z _ : _)) = Just (z, (3, xs)) next (3, Color _ _ _ w : xs) = Just (w, (0, xs)) next (_, []) = Nothing glActiveTexture = JS.glActiveTexture glAttachShader = JS.glAttachShader glBindAttribLocation = JS.glBindAttribLocation glBindBuffer = JS.glBindBuffer glBindFramebuffer = JS.glBindFramebuffer glBindRenderbuffer = JS.glBindRenderbuffer glBindTexture = JS.glBindTexture glBlendColor = JS.glBlendColor glBlendEquation = JS.glBlendEquation glBlendEquationSeparate = JS.glBlendEquationSeparate glBlendFunc = JS.glBlendFunc glBlendFuncSeparate = JS.glBlendFuncSeparate glBufferData = JS.glBufferData glBufferSubData = JS.glBufferSubData glCheckFramebufferStatus = JS.glCheckFramebufferStatus glClear = JS.glClear glClearColor = JS.glClearColor glClearDepth = JS.glClearDepth glClearStencil = JS.glClearStencil glColorMask = JS.glColorMask glCompileShader = JS.glCompileShader glCompressedTexImage2D = JS.glCompressedTexImage2D glCompressedTexSubImage2D = JS.glCompressedTexSubImage2D glCopyTexImage2D = JS.glCopyTexImage2D glCopyTexSubImage2D = JS.glCopyTexSubImage2D glCreateBuffer = JS.glCreateBuffer glCreateFramebuffer = JS.glCreateFramebuffer glCreateProgram = JS.glCreateProgram glCreateRenderbuffer = JS.glCreateRenderbuffer glCreateShader = JS.glCreateShader glCreateTexture = JS.glCreateTexture glCullFace = JS.glCullFace glDeleteBuffer = JS.glDeleteBuffer glDeleteFramebuffer = JS.glDeleteFramebuffer glDeleteProgram = JS.glDeleteProgram glDeleteRenderbuffer = JS.glDeleteRenderbuffer glDeleteShader = JS.glDeleteShader glDeleteTexture = JS.glDeleteTexture glDepthFunc = JS.glDepthFunc glDepthMask = JS.glDepthMask glDepthRange = JS.glDepthRange glDetachShader = JS.glDetachShader glDisable = JS.glDisable glDisableVertexAttribArray = JS.glDisableVertexAttribArray glDrawArrays = JS.glDrawArrays glDrawElements = JS.glDrawElements glEnable = JS.glEnable glEnableVertexAttribArray = JS.glEnableVertexAttribArray glFinish = JS.glFinish glFlush = JS.glFlush glFramebufferRenderbuffer = JS.glFramebufferRenderbuffer glFramebufferTexture2D = JS.glFramebufferTexture2D glFrontFace = JS.glFrontFace glGenerateMipmap = JS.glGenerateMipmap -- glGetActiveAttrib = JS.glGetActiveAttrib -- glGetActiveUniform = JS.glGetActiveUniform glGetAttribLocation = JS.glGetAttribLocation -- glGetBufferParameter = JS.glGetBufferParameter -- glGetParameter = JS.glGetParameter glGetError = JS.glGetError -- glGetFramebufferAttachmentParameter = JS.glGetFramebufferAttachmentParameter glGetProgramInfoLog = JS.glGetProgramInfoLog -- glGetRenderbufferParameter = JS.glGetRenderbufferParameter -- glGetShaderParameter = JS.glGetShaderParameter -- glGetShaderPrecisionFormat = JS.glGetShaderPrecisionFormat glGetShaderInfoLog = JS.glGetShaderInfoLog glGetShaderSource = JS.glGetShaderSource -- glGetTexParameter = JS.glGetTexParameter -- glGetUniform = JS.glGetUniform glGetUniformLocation = JS.glGetUniformLocation -- glGetVertexAttrib = JS.glGetVertexAttrib -- glGetVertexAttribOffset = JS.glGetVertexAttribOffset glHint = JS.glHint glIsBuffer = JS.glIsBuffer glIsEnabled = JS.glIsEnabled glIsFramebuffer = JS.glIsFramebuffer glIsProgram = JS.glIsProgram glIsRenderbuffer = JS.glIsRenderbuffer glIsShader = JS.glIsShader glIsTexture = JS.glIsTexture glLineWidth = JS.glLineWidth glLinkProgram = JS.glLinkProgram glPixelStorei = JS.glPixelStorei glPolygonOffset = JS.glPolygonOffset glReadPixels = JS.glReadPixels glRenderbufferStorage = JS.glRenderbufferStorage glSampleCoverage = JS.glSampleCoverage glScissor = JS.glScissor glShaderSource = JS.glShaderSource glStencilFunc = JS.glStencilFunc glStencilFuncSeparate = JS.glStencilFuncSeparate glStencilMask = JS.glStencilMask glStencilMaskSeparate = JS.glStencilMaskSeparate glStencilOp = JS.glStencilOp glStencilOpSeparate = JS.glStencilOpSeparate glTexImage2DBuffer = JS.glTexImage2DBuffer glTexImage2DImage = JS.glTexImage2DElement glTexParameterf = JS.glTexParameterf glTexParameteri = JS.glTexParameteri glTexSubImage2D = JS.glTexSubImage2D glUniform1f = JS.glUniform1f glUniform1fv = JS.glUniform1fv glUniform1i = JS.glUniform1i glUniform1iv = JS.glUniform1iv glUniform2f = JS.glUniform2f glUniform2fv = JS.glUniform2fv glUniform2i = JS.glUniform2i glUniform2iv = JS.glUniform2iv glUniform3f = JS.glUniform3f glUniform3fv = JS.glUniform3fv glUniform3i = JS.glUniform3i glUniform3iv = JS.glUniform3iv glUniform4f = JS.glUniform4f glUniform4fv = JS.glUniform4fv glUniform4i = JS.glUniform4i glUniform4iv = JS.glUniform4iv glUniformMatrix2fv = JS.glUniformMatrix2fv glUniformMatrix3fv = JS.glUniformMatrix3fv glUniformMatrix4fv = JS.glUniformMatrix4fv glUseProgram = JS.glUseProgram glValidateProgram = JS.glValidateProgram glVertexAttrib1f = JS.glVertexAttrib1f glVertexAttrib1fv = JS.glVertexAttrib1fv glVertexAttrib2f = JS.glVertexAttrib2f glVertexAttrib2fv = JS.glVertexAttrib2fv glVertexAttrib3f = JS.glVertexAttrib3f glVertexAttrib3fv = JS.glVertexAttrib3fv glVertexAttrib4f = JS.glVertexAttrib4f glVertexAttrib4fv = JS.glVertexAttrib4fv glVertexAttribPointer = JS.glVertexAttribPointer glViewport = JS.glViewport gl_DEPTH_BUFFER_BIT = JS.gl_DEPTH_BUFFER_BIT gl_STENCIL_BUFFER_BIT = JS.gl_STENCIL_BUFFER_BIT gl_COLOR_BUFFER_BIT = JS.gl_COLOR_BUFFER_BIT gl_POINTS = JS.gl_POINTS gl_LINES = JS.gl_LINES gl_LINE_LOOP = JS.gl_LINE_LOOP gl_LINE_STRIP = JS.gl_LINE_STRIP gl_TRIANGLES = JS.gl_TRIANGLES gl_TRIANGLE_STRIP = JS.gl_TRIANGLE_STRIP gl_TRIANGLE_FAN = JS.gl_TRIANGLE_FAN gl_ZERO = JS.gl_ZERO gl_ONE = JS.gl_ONE gl_SRC_COLOR = JS.gl_SRC_COLOR gl_ONE_MINUS_SRC_COLOR = JS.gl_ONE_MINUS_SRC_COLOR gl_SRC_ALPHA = JS.gl_SRC_ALPHA gl_ONE_MINUS_SRC_ALPHA = JS.gl_ONE_MINUS_SRC_ALPHA gl_DST_ALPHA = JS.gl_DST_ALPHA gl_ONE_MINUS_DST_ALPHA = JS.gl_ONE_MINUS_DST_ALPHA gl_DST_COLOR = JS.gl_DST_COLOR gl_ONE_MINUS_DST_COLOR = JS.gl_ONE_MINUS_DST_COLOR gl_SRC_ALPHA_SATURATE = JS.gl_SRC_ALPHA_SATURATE gl_FUNC_ADD = JS.gl_FUNC_ADD gl_BLEND_EQUATION = JS.gl_BLEND_EQUATION gl_BLEND_EQUATION_RGB = JS.gl_BLEND_EQUATION_RGB gl_BLEND_EQUATION_ALPHA = JS.gl_BLEND_EQUATION_ALPHA gl_FUNC_SUBTRACT = JS.gl_FUNC_SUBTRACT gl_FUNC_REVERSE_SUBTRACT = JS.gl_FUNC_REVERSE_SUBTRACT gl_BLEND_DST_RGB = JS.gl_BLEND_DST_RGB gl_BLEND_SRC_RGB = JS.gl_BLEND_SRC_RGB gl_BLEND_DST_ALPHA = JS.gl_BLEND_DST_ALPHA gl_BLEND_SRC_ALPHA = JS.gl_BLEND_SRC_ALPHA gl_CONSTANT_COLOR = JS.gl_CONSTANT_COLOR gl_ONE_MINUS_CONSTANT_COLOR = JS.gl_ONE_MINUS_CONSTANT_COLOR gl_CONSTANT_ALPHA = JS.gl_CONSTANT_ALPHA gl_ONE_MINUS_CONSTANT_ALPHA = JS.gl_ONE_MINUS_CONSTANT_ALPHA gl_BLEND_COLOR = JS.gl_BLEND_COLOR gl_ARRAY_BUFFER = JS.gl_ARRAY_BUFFER gl_ELEMENT_ARRAY_BUFFER = JS.gl_ELEMENT_ARRAY_BUFFER gl_ARRAY_BUFFER_BINDING = JS.gl_ARRAY_BUFFER_BINDING gl_ELEMENT_ARRAY_BUFFER_BINDING = JS.gl_ELEMENT_ARRAY_BUFFER_BINDING gl_STREAM_DRAW = JS.gl_STREAM_DRAW gl_STATIC_DRAW = JS.gl_STATIC_DRAW gl_DYNAMIC_DRAW = JS.gl_DYNAMIC_DRAW gl_BUFFER_SIZE = JS.gl_BUFFER_SIZE gl_BUFFER_USAGE = JS.gl_BUFFER_USAGE gl_CURRENT_VERTEX_ATTRIB = JS.gl_CURRENT_VERTEX_ATTRIB gl_FRONT = JS.gl_FRONT gl_BACK = JS.gl_BACK gl_FRONT_AND_BACK = JS.gl_FRONT_AND_BACK gl_CULL_FACE = JS.gl_CULL_FACE gl_BLEND = JS.gl_BLEND gl_DITHER = JS.gl_DITHER gl_STENCIL_TEST = JS.gl_STENCIL_TEST gl_DEPTH_TEST = JS.gl_DEPTH_TEST gl_SCISSOR_TEST = JS.gl_SCISSOR_TEST gl_POLYGON_OFFSET_FILL = JS.gl_POLYGON_OFFSET_FILL gl_SAMPLE_ALPHA_TO_COVERAGE = JS.gl_SAMPLE_ALPHA_TO_COVERAGE gl_SAMPLE_COVERAGE = JS.gl_SAMPLE_COVERAGE gl_NO_ERROR = JS.gl_NO_ERROR gl_INVALID_ENUM = JS.gl_INVALID_ENUM gl_INVALID_VALUE = JS.gl_INVALID_VALUE gl_INVALID_OPERATION = JS.gl_INVALID_OPERATION gl_OUT_OF_MEMORY = JS.gl_OUT_OF_MEMORY gl_CW = JS.gl_CW gl_CCW = JS.gl_CCW gl_LINE_WIDTH = JS.gl_LINE_WIDTH gl_ALIASED_POINT_SIZE_RANGE = JS.gl_ALIASED_POINT_SIZE_RANGE gl_ALIASED_LINE_WIDTH_RANGE = JS.gl_ALIASED_LINE_WIDTH_RANGE gl_CULL_FACE_MODE = JS.gl_CULL_FACE_MODE gl_FRONT_FACE = JS.gl_FRONT_FACE gl_DEPTH_RANGE = JS.gl_DEPTH_RANGE gl_DEPTH_WRITEMASK = JS.gl_DEPTH_WRITEMASK gl_DEPTH_CLEAR_VALUE = JS.gl_DEPTH_CLEAR_VALUE gl_DEPTH_FUNC = JS.gl_DEPTH_FUNC gl_STENCIL_CLEAR_VALUE = JS.gl_STENCIL_CLEAR_VALUE gl_STENCIL_FUNC = JS.gl_STENCIL_FUNC gl_STENCIL_FAIL = JS.gl_STENCIL_FAIL gl_STENCIL_PASS_DEPTH_FAIL = JS.gl_STENCIL_PASS_DEPTH_FAIL gl_STENCIL_PASS_DEPTH_PASS = JS.gl_STENCIL_PASS_DEPTH_PASS gl_STENCIL_REF = JS.gl_STENCIL_REF gl_STENCIL_VALUE_MASK = JS.gl_STENCIL_VALUE_MASK gl_STENCIL_WRITEMASK = JS.gl_STENCIL_WRITEMASK gl_STENCIL_BACK_FUNC = JS.gl_STENCIL_BACK_FUNC gl_STENCIL_BACK_FAIL = JS.gl_STENCIL_BACK_FAIL gl_STENCIL_BACK_PASS_DEPTH_FAIL = JS.gl_STENCIL_BACK_PASS_DEPTH_FAIL gl_STENCIL_BACK_PASS_DEPTH_PASS = JS.gl_STENCIL_BACK_PASS_DEPTH_PASS gl_STENCIL_BACK_REF = JS.gl_STENCIL_BACK_REF gl_STENCIL_BACK_VALUE_MASK = JS.gl_STENCIL_BACK_VALUE_MASK gl_STENCIL_BACK_WRITEMASK = JS.gl_STENCIL_BACK_WRITEMASK gl_VIEWPORT = JS.gl_VIEWPORT gl_SCISSOR_BOX = JS.gl_SCISSOR_BOX gl_COLOR_CLEAR_VALUE = JS.gl_COLOR_CLEAR_VALUE gl_COLOR_WRITEMASK = JS.gl_COLOR_WRITEMASK gl_UNPACK_ALIGNMENT = JS.gl_UNPACK_ALIGNMENT gl_PACK_ALIGNMENT = JS.gl_PACK_ALIGNMENT gl_MAX_TEXTURE_SIZE = JS.gl_MAX_TEXTURE_SIZE gl_MAX_VIEWPORT_DIMS = JS.gl_MAX_VIEWPORT_DIMS gl_SUBPIXEL_BITS = JS.gl_SUBPIXEL_BITS gl_RED_BITS = JS.gl_RED_BITS gl_GREEN_BITS = JS.gl_GREEN_BITS gl_BLUE_BITS = JS.gl_BLUE_BITS gl_ALPHA_BITS = JS.gl_ALPHA_BITS gl_DEPTH_BITS = JS.gl_DEPTH_BITS gl_STENCIL_BITS = JS.gl_STENCIL_BITS gl_POLYGON_OFFSET_UNITS = JS.gl_POLYGON_OFFSET_UNITS gl_POLYGON_OFFSET_FACTOR = JS.gl_POLYGON_OFFSET_FACTOR gl_TEXTURE_BINDING_2D = JS.gl_TEXTURE_BINDING_2D gl_SAMPLE_BUFFERS = JS.gl_SAMPLE_BUFFERS gl_SAMPLES = JS.gl_SAMPLES gl_SAMPLE_COVERAGE_VALUE = JS.gl_SAMPLE_COVERAGE_VALUE gl_SAMPLE_COVERAGE_INVERT = JS.gl_SAMPLE_COVERAGE_INVERT gl_COMPRESSED_TEXTURE_FORMATS = JS.gl_COMPRESSED_TEXTURE_FORMATS gl_DONT_CARE = JS.gl_DONT_CARE gl_FASTEST = JS.gl_FASTEST gl_NICEST = JS.gl_NICEST gl_GENERATE_MIPMAP_HINT = JS.gl_GENERATE_MIPMAP_HINT gl_BYTE = JS.gl_BYTE gl_UNSIGNED_BYTE = JS.gl_UNSIGNED_BYTE gl_SHORT = JS.gl_SHORT gl_UNSIGNED_SHORT = JS.gl_UNSIGNED_SHORT gl_INT = JS.gl_INT gl_UNSIGNED_INT = JS.gl_UNSIGNED_INT gl_FLOAT = JS.gl_FLOAT gl_DEPTH_COMPONENT = JS.gl_DEPTH_COMPONENT gl_ALPHA = JS.gl_ALPHA gl_RGB = JS.gl_RGB gl_RGBA = JS.gl_RGBA gl_LUMINANCE = JS.gl_LUMINANCE gl_LUMINANCE_ALPHA = JS.gl_LUMINANCE_ALPHA gl_UNSIGNED_SHORT_4_4_4_4 = JS.gl_UNSIGNED_SHORT_4_4_4_4 gl_UNSIGNED_SHORT_5_5_5_1 = JS.gl_UNSIGNED_SHORT_5_5_5_1 gl_UNSIGNED_SHORT_5_6_5 = JS.gl_UNSIGNED_SHORT_5_6_5 gl_FRAGMENT_SHADER = JS.gl_FRAGMENT_SHADER gl_VERTEX_SHADER = JS.gl_VERTEX_SHADER gl_MAX_VERTEX_ATTRIBS = JS.gl_MAX_VERTEX_ATTRIBS gl_MAX_VERTEX_UNIFORM_VECTORS = JS.gl_MAX_VERTEX_UNIFORM_VECTORS gl_MAX_VARYING_VECTORS = JS.gl_MAX_VARYING_VECTORS gl_MAX_COMBINED_TEXTURE_IMAGE_UNITS = JS.gl_MAX_COMBINED_TEXTURE_IMAGE_UNITS gl_MAX_VERTEX_TEXTURE_IMAGE_UNITS = JS.gl_MAX_VERTEX_TEXTURE_IMAGE_UNITS gl_MAX_TEXTURE_IMAGE_UNITS = JS.gl_MAX_TEXTURE_IMAGE_UNITS gl_MAX_FRAGMENT_UNIFORM_VECTORS = JS.gl_MAX_FRAGMENT_UNIFORM_VECTORS gl_SHADER_TYPE = JS.gl_SHADER_TYPE gl_DELETE_STATUS = JS.gl_DELETE_STATUS gl_LINK_STATUS = JS.gl_LINK_STATUS gl_VALIDATE_STATUS = JS.gl_VALIDATE_STATUS gl_ATTACHED_SHADERS = JS.gl_ATTACHED_SHADERS gl_ACTIVE_UNIFORMS = JS.gl_ACTIVE_UNIFORMS gl_ACTIVE_ATTRIBUTES = JS.gl_ACTIVE_ATTRIBUTES gl_SHADING_LANGUAGE_VERSION = JS.gl_SHADING_LANGUAGE_VERSION gl_CURRENT_PROGRAM = JS.gl_CURRENT_PROGRAM gl_NEVER = JS.gl_NEVER gl_LESS = JS.gl_LESS gl_EQUAL = JS.gl_EQUAL gl_LEQUAL = JS.gl_LEQUAL gl_GREATER = JS.gl_GREATER gl_NOTEQUAL = JS.gl_NOTEQUAL gl_GEQUAL = JS.gl_GEQUAL gl_ALWAYS = JS.gl_ALWAYS gl_KEEP = JS.gl_KEEP gl_REPLACE = JS.gl_REPLACE gl_INCR = JS.gl_INCR gl_DECR = JS.gl_DECR gl_INVERT = JS.gl_INVERT gl_INCR_WRAP = JS.gl_INCR_WRAP gl_DECR_WRAP = JS.gl_DECR_WRAP gl_VENDOR = JS.gl_VENDOR gl_RENDERER = JS.gl_RENDERER gl_VERSION = JS.gl_VERSION gl_NEAREST = JS.gl_NEAREST gl_LINEAR = JS.gl_LINEAR gl_NEAREST_MIPMAP_NEAREST = JS.gl_NEAREST_MIPMAP_NEAREST gl_LINEAR_MIPMAP_NEAREST = JS.gl_LINEAR_MIPMAP_NEAREST gl_NEAREST_MIPMAP_LINEAR = JS.gl_NEAREST_MIPMAP_LINEAR gl_LINEAR_MIPMAP_LINEAR = JS.gl_LINEAR_MIPMAP_LINEAR gl_TEXTURE_MAG_FILTER = JS.gl_TEXTURE_MAG_FILTER gl_TEXTURE_MIN_FILTER = JS.gl_TEXTURE_MIN_FILTER gl_TEXTURE_WRAP_S = JS.gl_TEXTURE_WRAP_S gl_TEXTURE_WRAP_T = JS.gl_TEXTURE_WRAP_T gl_TEXTURE_2D = JS.gl_TEXTURE_2D gl_TEXTURE = JS.gl_TEXTURE gl_TEXTURE_CUBE_MAP = JS.gl_TEXTURE_CUBE_MAP gl_TEXTURE_BINDING_CUBE_MAP = JS.gl_TEXTURE_BINDING_CUBE_MAP gl_TEXTURE_CUBE_MAP_POSITIVE_X = JS.gl_TEXTURE_CUBE_MAP_POSITIVE_X gl_TEXTURE_CUBE_MAP_NEGATIVE_X = JS.gl_TEXTURE_CUBE_MAP_NEGATIVE_X gl_TEXTURE_CUBE_MAP_POSITIVE_Y = JS.gl_TEXTURE_CUBE_MAP_POSITIVE_Y gl_TEXTURE_CUBE_MAP_NEGATIVE_Y = JS.gl_TEXTURE_CUBE_MAP_NEGATIVE_Y gl_TEXTURE_CUBE_MAP_POSITIVE_Z = JS.gl_TEXTURE_CUBE_MAP_POSITIVE_Z gl_TEXTURE_CUBE_MAP_NEGATIVE_Z = JS.gl_TEXTURE_CUBE_MAP_NEGATIVE_Z gl_MAX_CUBE_MAP_TEXTURE_SIZE = JS.gl_MAX_CUBE_MAP_TEXTURE_SIZE gl_TEXTURE0 = JS.gl_TEXTURE0 gl_TEXTURE1 = JS.gl_TEXTURE1 gl_TEXTURE2 = JS.gl_TEXTURE2 gl_TEXTURE3 = JS.gl_TEXTURE3 gl_TEXTURE4 = JS.gl_TEXTURE4 gl_TEXTURE5 = JS.gl_TEXTURE5 gl_TEXTURE6 = JS.gl_TEXTURE6 gl_TEXTURE7 = JS.gl_TEXTURE7 gl_TEXTURE8 = JS.gl_TEXTURE8 gl_TEXTURE9 = JS.gl_TEXTURE9 gl_TEXTURE10 = JS.gl_TEXTURE10 gl_TEXTURE11 = JS.gl_TEXTURE11 gl_TEXTURE12 = JS.gl_TEXTURE12 gl_TEXTURE13 = JS.gl_TEXTURE13 gl_TEXTURE14 = JS.gl_TEXTURE14 gl_TEXTURE15 = JS.gl_TEXTURE15 gl_TEXTURE16 = JS.gl_TEXTURE16 gl_TEXTURE17 = JS.gl_TEXTURE17 gl_TEXTURE18 = JS.gl_TEXTURE18 gl_TEXTURE19 = JS.gl_TEXTURE19 gl_TEXTURE20 = JS.gl_TEXTURE20 gl_TEXTURE21 = JS.gl_TEXTURE21 gl_TEXTURE22 = JS.gl_TEXTURE22 gl_TEXTURE23 = JS.gl_TEXTURE23 gl_TEXTURE24 = JS.gl_TEXTURE24 gl_TEXTURE25 = JS.gl_TEXTURE25 gl_TEXTURE26 = JS.gl_TEXTURE26 gl_TEXTURE27 = JS.gl_TEXTURE27 gl_TEXTURE28 = JS.gl_TEXTURE28 gl_TEXTURE29 = JS.gl_TEXTURE29 gl_TEXTURE30 = JS.gl_TEXTURE30 gl_TEXTURE31 = JS.gl_TEXTURE31 gl_ACTIVE_TEXTURE = JS.gl_ACTIVE_TEXTURE gl_REPEAT = JS.gl_REPEAT gl_CLAMP_TO_EDGE = JS.gl_CLAMP_TO_EDGE gl_MIRRORED_REPEAT = JS.gl_MIRRORED_REPEAT gl_FLOAT_VEC2 = JS.gl_FLOAT_VEC2 gl_FLOAT_VEC3 = JS.gl_FLOAT_VEC3 gl_FLOAT_VEC4 = JS.gl_FLOAT_VEC4 gl_INT_VEC2 = JS.gl_INT_VEC2 gl_INT_VEC3 = JS.gl_INT_VEC3 gl_INT_VEC4 = JS.gl_INT_VEC4 gl_BOOL = JS.gl_BOOL gl_BOOL_VEC2 = JS.gl_BOOL_VEC2 gl_BOOL_VEC3 = JS.gl_BOOL_VEC3 gl_BOOL_VEC4 = JS.gl_BOOL_VEC4 gl_FLOAT_MAT2 = JS.gl_FLOAT_MAT2 gl_FLOAT_MAT3 = JS.gl_FLOAT_MAT3 gl_FLOAT_MAT4 = JS.gl_FLOAT_MAT4 gl_SAMPLER_2D = JS.gl_SAMPLER_2D gl_SAMPLER_CUBE = JS.gl_SAMPLER_CUBE gl_VERTEX_ATTRIB_ARRAY_ENABLED = JS.gl_VERTEX_ATTRIB_ARRAY_ENABLED gl_VERTEX_ATTRIB_ARRAY_SIZE = JS.gl_VERTEX_ATTRIB_ARRAY_SIZE gl_VERTEX_ATTRIB_ARRAY_STRIDE = JS.gl_VERTEX_ATTRIB_ARRAY_STRIDE gl_VERTEX_ATTRIB_ARRAY_TYPE = JS.gl_VERTEX_ATTRIB_ARRAY_TYPE gl_VERTEX_ATTRIB_ARRAY_NORMALIZED = JS.gl_VERTEX_ATTRIB_ARRAY_NORMALIZED gl_VERTEX_ATTRIB_ARRAY_POINTER = JS.gl_VERTEX_ATTRIB_ARRAY_POINTER gl_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = JS.gl_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING gl_COMPILE_STATUS = JS.gl_COMPILE_STATUS gl_LOW_FLOAT = JS.gl_LOW_FLOAT gl_MEDIUM_FLOAT = JS.gl_MEDIUM_FLOAT gl_HIGH_FLOAT = JS.gl_HIGH_FLOAT gl_LOW_INT = JS.gl_LOW_INT gl_MEDIUM_INT = JS.gl_MEDIUM_INT gl_HIGH_INT = JS.gl_HIGH_INT gl_FRAMEBUFFER = JS.gl_FRAMEBUFFER gl_RENDERBUFFER = JS.gl_RENDERBUFFER gl_RGBA4 = JS.gl_RGBA4 gl_RGB5_A1 = JS.gl_RGB5_A1 gl_RGB565 = JS.gl_RGB565 gl_DEPTH_COMPONENT16 = JS.gl_DEPTH_COMPONENT16 gl_STENCIL_INDEX8 = JS.gl_STENCIL_INDEX8 gl_RENDERBUFFER_WIDTH = JS.gl_RENDERBUFFER_WIDTH gl_RENDERBUFFER_HEIGHT = JS.gl_RENDERBUFFER_HEIGHT gl_RENDERBUFFER_INTERNAL_FORMAT = JS.gl_RENDERBUFFER_INTERNAL_FORMAT gl_RENDERBUFFER_RED_SIZE = JS.gl_RENDERBUFFER_RED_SIZE gl_RENDERBUFFER_GREEN_SIZE = JS.gl_RENDERBUFFER_GREEN_SIZE gl_RENDERBUFFER_BLUE_SIZE = JS.gl_RENDERBUFFER_BLUE_SIZE gl_RENDERBUFFER_ALPHA_SIZE = JS.gl_RENDERBUFFER_ALPHA_SIZE gl_RENDERBUFFER_DEPTH_SIZE = JS.gl_RENDERBUFFER_DEPTH_SIZE gl_RENDERBUFFER_STENCIL_SIZE = JS.gl_RENDERBUFFER_STENCIL_SIZE gl_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = JS.gl_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE gl_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME = JS.gl_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME gl_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL = JS.gl_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL gl_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = JS.gl_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE gl_COLOR_ATTACHMENT0 = JS.gl_COLOR_ATTACHMENT0 gl_DEPTH_ATTACHMENT = JS.gl_DEPTH_ATTACHMENT gl_STENCIL_ATTACHMENT = JS.gl_STENCIL_ATTACHMENT gl_NONE = JS.gl_NONE gl_FRAMEBUFFER_COMPLETE = JS.gl_FRAMEBUFFER_COMPLETE gl_FRAMEBUFFER_INCOMPLETE_ATTACHMENT = JS.gl_FRAMEBUFFER_INCOMPLETE_ATTACHMENT gl_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT = JS.gl_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT gl_FRAMEBUFFER_INCOMPLETE_DIMENSIONS = JS.gl_FRAMEBUFFER_INCOMPLETE_DIMENSIONS gl_FRAMEBUFFER_UNSUPPORTED = JS.gl_FRAMEBUFFER_UNSUPPORTED gl_FRAMEBUFFER_BINDING = JS.gl_FRAMEBUFFER_BINDING gl_RENDERBUFFER_BINDING = JS.gl_RENDERBUFFER_BINDING gl_MAX_RENDERBUFFER_SIZE = JS.gl_MAX_RENDERBUFFER_SIZE gl_INVALID_FRAMEBUFFER_OPERATION = JS.gl_INVALID_FRAMEBUFFER_OPERATION