/* OpenGL Shading Language for Xcode
 by Matthias Biedermann, 2006 
 based on Alexander Streit's Cg specification
 (http://sky.fit.qut.edu.au/~streit/xcode.cg.html) 
*/

(
    {
        Identifier = glsl;
        Name = "GLSL Shader";
        Description = "OpenGL Shading Language";
        BasedOn = "pbx_root_language";
        SourceScannerClassName = PBXCPPSourceScanner;
        SupportsIndentation = YES;
        Indentation = {
        };
        SyntaxColoring = {
            CaseSensitive = YES;
            UnicodeSymbols = NO;
            IndexedSymbols = YES;
            CommentsCanBeNested = YES;
            IdentifierStartChars = "_";
            IdentifierChars = "_";
            MultiLineComment = (
                ( "/*", "*/" )
            );
            String = (
                ( "\"", "\"" )
            );
            EscapeCharacter = "\\";
            Character = (
                ( "'", "'" )
            );
            SingleLineComment = (  "//" );
            Keywords = (
	    	"attribute",
			"const",
			"bool",
			"float",
			"int",
			"break",
			"continue",
			"do",
			"else",
			"for",
			"if",
			"discard",
			"return",
			"bvec2",
			"bvec3",
			"bvec4",
			"ivec2",
			"ivec3",
			"ivec4",
			"vec2",
			"vec3",
			"vec4",
			"mat2",
			"mat3",
			"mat4",
			"in",
			"out",
			"inout",
			"uniform",
			"varying",
			"sampler1D",
			"sampler2D",
			"sampler3D",
			"samplerCUBE",
			"sampler1DShadow",
			"sampler2DShadow",
			"struct",
			"void",
			"while"
            );
            AltKeywords = (
	    	"radians",
			"degrees",
			"sin",
			"cos",
			"tan",
			"asin",
			"acos",
			"atan",
			"pow",
			"exp",
			"log",
			"exp2",
			"log2",
			"sqrt",
			"inversesqrt",
			"abs",
			"sign",
			"floor",
			"ceil",
			"fract",
			"mod",
			"min",
			"max",
			"clamp",
			"mix",
			"step",
			"smoothstep",
			"length",
			"distance",
			"dot",
			"cross",
			"normalize",
			"ftransform",
			"faceforward",
			"reflect",
			"refract",
			"matrixCompMult",
			"lessThan",
			"lessThanEqual",
			"greaterThan",
			"greaterThanEqual",
			"equal",
			"notEqual",
			"any",
			"all",
			"not",
			"texture1D",
			"texture1DProj",
			"texture1DLod",
			"texture1DProjLod",
			"texture2D",
			"texture2DProj",
			"texture2DLod",
			"texture2DProjLod",
			"texture3D",
			"texture3DProj",
			"texture3DLod",
			"texture3DProjLod",
			"textureCube",
			"textureCubeLod",
			"shadow1D",
			"shadow2D",
			"shadow1DProj",
			"shadow2DProj",
			"shadow1DLod",
			"shadow2DLod",
			"shadow1DProjLod",
			"shadow2DProjLod",
			"dFdx",
			"dFdy",
			"fwidth",
			"noise1",
			"noise2",
			"noise3",
			"noise4",
			"__LINE__",
			"__FILE__",
			"__VERSION__"
            );
            PreprocessorKeywordStart = "#";
            PreprocessorKeywords = ( 
	    	"define",
		"elif",
		"else",
		"endif",
		"if",
		"ifdef",
		"ifndef",
		"error",
		"line",
		"pragma",
		"version",
		"extension",
		
			);
        };
    },

)