local style = require "core.style" local common = require "core.common" local syntax = require "core.syntax" syntax.add { files = { "%.glsl$", "%.frag$", "%.vert$", "%.vs$", "%.fs$", "%.gs$", "%.fx$", }, comment = "//", patterns = { { pattern = "//.-\n", type = "comment" }, { pattern = { "/%*", "%*/" }, type = "comment" }, { pattern = { "#", "[^\\]\n" }, type = "comment" }, { pattern = { '"', '"', '\\' }, type = "string" }, { pattern = { "'", "'", '\\' }, type = "string" }, { pattern = "-?0x%x+", type = "number" }, { pattern = "-?%d+[%d%.eE]*f?", type = "number" }, { pattern = "-?%.?%d+f?", type = "number" }, { pattern = "[%+%-=/%*%^%%<>!~|&]", type = "operator" }, { pattern = "ivec[2-4]", type = "keyword2" }, { pattern = "bvec[2-4]", type = "keyword2" }, { pattern = "uvec[2-4]", type = "keyword2" }, { pattern = "vec[2-4]", type = "keyword2" }, { pattern = "dmat[2-4]x[2-4]", type = "keyword2" }, { pattern = "dmat[2-4]", type = "keyword2" }, { pattern = "mat[2-4]x[2-4]", type = "keyword2" }, { pattern = "mat[2-4]", type = "keyword2" }, { pattern = "[%a_][%w_]*%f[(]", type = "function" }, { pattern = "[%a_][%w_]*", type = "symbol" }, }, symbols = { --https://www.khronos.org/registry/OpenGL/specs/gl/GLSLangSpec.4.60.pdf --The symbols are added here in the order they appear in the spec ["if"] = "keyword", ["else"] = "keyword", ["do"] = "keyword", ["while"] = "keyword", ["for"] = "keyword", ["break"] = "keyword", ["continue"] = "keyword", ["return"] = "keyword", ["const"] = "keyword", ["switch"] = "keyword", ["case"] = "keyword", ["default"] = "keyword", ["const"] = "keyword", ["void"] = "keyword", ["bool"] = "keyword2", ["int"] = "keyword2", ["uint"] = "keyword2", ["float"] = "keyword2", ["double"] = "keyword2", ["true"] = "literal", ["false"] = "literal", ["NULL"] = "literal", ["attribute"] = "keyword", ["varying"] = "keyword", ["uniform"] = "keyword", ["buffer"] = "keyword", ["shared"] = "keyword", ["layout"] = "keyword", ["centroid"] = "keyword", ["flat"] = "keyword", ["smooth"] = "keyword", ["noperspective"]= "keyword", ["patch"] = "keyword", ["sample"] = "keyword", ["in"] = "keyword", ["out"] = "keyword", ["inout"] = "keyword", ["invariant"] = "keyword", ["precise"] = "keyword", ["lowp"] = "keyword", ["mediump"] = "keyword", ["highp"] = "keyword", ["precision"] = "keyword", ["struct"] = "keyword", ["subroutine"] = "keyword", ["coherent"] = "keyword", ["volatile"] = "keyword", ["readonly"] = "keyword", ["writeonly"] = "keyword", ["sampler1D"] = "keyword2", ["sampler2D"] = "keyword2", ["sampler3D"] = "keyword2", ["samplerCube"] = "keyword2", ["sampler1DShadow"] = "keyword2", ["sampler2DShadow"] = "keyword2", ["samplerCubeShadow"] = "keyword2", ["sampler1DArray"] = "keyword2", ["sampler2DArray"] = "keyword2", ["samplerCubeArray"] = "keyword2", ["sampler1DArrayShadow"] = "keyword2", ["sampler2DArrayShadow"] = "keyword2", ["samplerCubeArrayShadow"]= "keyword2", ["isampler1D"] = "keyword2", ["isampler2D"] = "keyword2", ["isampler3D"] = "keyword2", ["isamplerCube"] = "keyword2", ["sampler2DMS"] = "keyword2", ["isampler2DMS"] = "keyword2", ["usampler2DMS"] = "keyword2", ["sampler2DMSArray"] = "keyword2", ["isampler2DMSArray"] = "keyword2", ["usampler2DMSArray"] = "keyword2", ["isampler1DArray"] = "keyword2", ["isampler2DArray"] = "keyword2", ["usampler1D"] = "keyword2", ["usampler2D"] = "keyword2", ["usampler3D"] = "keyword2", ["usamplerCube"] = "keyword2", ["usampler1DArray"] = "keyword2", ["usampler2DArray"] = "keyword2", ["sampler2DRect"] = "keyword2", ["sampler2DRectShadow"] = "keyword2", ["isampler2DRect"] = "keyword2", ["usampler2DRect"] = "keyword2", ["samplerBuffer"] = "keyword2", ["isamplerBuffer"] = "keyword2", ["usamplerBuffer"] = "keyword2", ["image1D"] = "keyword2", ["iimage1D"] = "keyword2", ["uimage1D"] = "keyword2", ["image1DArray"] = "keyword2", ["iimage1DArray"] = "keyword2", ["uimage1DArray"] = "keyword2", ["image2D"] = "keyword2", ["iimage2D"] = "keyword2", ["uimage2D"] = "keyword2", ["image2DArray"] = "keyword2", ["iimage2DArray"] = "keyword2", ["uimage2DArray"] = "keyword2", ["image2DRect"] = "keyword2", ["iimage2DRect"] = "keyword2", ["uimage2DRect"] = "keyword2", ["image2DMS"] = "keyword2", ["iimage2DMS"] = "keyword2", ["uimage2DMS"] = "keyword2", ["image2DMSArray"] = "keyword2", ["iimage2DMSArray"]= "keyword2", ["uimage2DMSArray"]= "keyword2", ["image3D"] = "keyword2", ["iimage3D"] = "keyword2", ["uimage3D"] = "keyword2", ["imageCube"] = "keyword2", ["iimageCube"] = "keyword2", ["uimageCube"] = "keyword2", ["imageCubeArray"] = "keyword2", ["iimageCubeArray"]= "keyword2", ["uimageCubeArray"]= "keyword2", ["imageBuffer"] = "keyword2", ["iimageBuffer"] = "keyword2", ["uimageBuffer"] = "keyword2", ["atomic_uint"] = "keyword2", ["radians"] = "keyword", ["degrees"] = "keyword", ["sin"] = "keyword", ["cos"] = "keyword", ["tan"] = "keyword", ["asin"] = "keyword", ["acos"] = "keyword", ["atan"] = "keyword", ["sinh"] = "keyword", ["cosh"] = "keyword", ["tanh"] = "keyword", ["asinh"] = "keyword", ["acosh"] = "keyword", ["pow"] = "keyword", ["exp"] = "keyword", ["exp2"] = "keyword", ["log2"] = "keyword", ["sqrt"] = "keyword", ["inversesqrt"] = "keyword", ["abs"] = "keyword", ["sign"] = "keyword", ["floor"] = "keyword", ["trunc"] = "keyword", ["round"] = "keyword", ["roundEven"] = "keyword", ["ceil"] = "keyword", ["fract"] = "keyword", ["mod"] = "keyword", ["modf"] = "keyword", ["min"] = "keyword", ["max"] = "keyword", ["clamp"] = "keyword", ["mix"] = "keyword", ["step"] = "keyword", ["smoothstep"] = "keyword", ["isnan"] = "keyword", ["isinf"] = "keyword", ["floatBitsToInt"] = "keyword", ["floatBitsToUint"] = "keyword", ["intBitsToFloat"] = "keyword", ["uintBitsToFloat"] = "keyword", ["fma"] = "keyword", ["frexp"] = "keyword", ["ldexp"] = "keyword", ["packUnorm2x16"] = "keyword", ["packSnorm2x16"] = "keyword", ["packUnorm4x8"] = "keyword", ["packSnorm4x8"] = "keyword", ["unpackUnorm2x16"] = "keyword", ["unpackSnorm2x16"] = "keyword", ["unpackUnorm4x8"] = "keyword", ["unpackSnorm4x8"] = "keyword", ["packHalf2x16"] = "keyword", ["unpackHalf2x16"] = "keyword", ["packDouble2x32"] = "keyword", ["unpackDouble2x32"] = "keyword", ["length"] = "keyword", ["distance"] = "keyword", ["dot"] = "keyword", ["cross"] = "keyword", ["normalize"] = "keyword", ["ftransform"] = "keyword", ["faceforward"] = "keyword", ["reflect"] = "keyword", ["refract"] = "keyword", ["matrixCompMult"] = "keyword", ["outerProduct"] = "keyword", ["transpose"] = "keyword", ["determinant"] = "keyword", ["inverse"] = "keyword", ["lessThan"] = "keyword", ["lessThanEqual"] = "keyword", ["greaterThan"] = "keyword", ["greaterThanEqual"] = "keyword", ["equal"] = "keyword", ["notEqual"] = "keyword", ["any"] = "keyword", ["all"] = "keyword", ["not"] = "keyword", ["uaddCarry"] = "keyword", ["usubBorrow"] = "keyword", ["umulExtended"] = "keyword", ["imulExtended"] = "keyword", ["bitfieldExtract"] = "keyword", ["bitfieldInsert"] = "keyword", ["bitfieldReverse"] = "keyword", ["bitCount"] = "keyword", ["findLSB"] = "keyword", ["findMSB"] = "keyword", ["textureSize"] = "keyword", ["textureQueryLod"] = "keyword", ["textureQueryLevels"] = "keyword", ["textureSamples"] = "keyword", ["texture"] = "keyword", ["textureProj"] = "keyword", ["textureLod"] = "keyword", ["textureOffset"] = "keyword", ["texelFetch"] = "keyword", ["texelFetchOffset"] = "keyword", ["textureProjOffset"] = "keyword", ["textureLodOffset"] = "keyword", ["textureProjLod"] = "keyword", ["textureProjLodOffset"] = "keyword", ["textureGrad"] = "keyword", ["textureGradOffset"] = "keyword", ["textureProjGrad"] = "keyword", ["textureProjGradOffset"]= "keyword", ["textureGather"] = "keyword", ["textureGatherOffset"] = "keyword", ["textureGatherOffsets"] = "keyword", --Atomic Counter Functions ["atomicCounterIncrement"]= "keyword", ["atomicCounterDecrement"]= "keyword", ["atomicCounter"] = "keyword", ["atomicCounterAdd"] = "keyword", ["atomicCounterSubtract"] = "keyword", ["atomicCounterMin"] = "keyword", ["atomicCounterMax"] = "keyword", ["atomicCounterAnd"] = "keyword", ["atomicCounterOr"] = "keyword", ["atomicCounterXor"] = "keyword", ["atomicCounterExchange"] = "keyword", ["atomicCounterCompSwap"] = "keyword", --Atomic Memory Functions ["atomicAdd"] = "keyword", ["atomicMin"] = "keyword", ["atomicMax"] = "keyword", ["atomicAnd"] = "keyword", ["atomicOr"] = "keyword", ["atomicXor"] = "keyword", ["atomicExchange"]= "keyword", ["atomicCompSwap"]= "keyword", --Image Functions ["imageSize"] = "keyword", ["imageSamples"] = "keyword", ["imageLoad"] = "keyword", ["imageStore"] = "keyword", ["imageAtomicAdd"] = "keyword", ["imageAtomicMin"] = "keyword", ["imageAtomicMax"] = "keyword", ["imageAtomicAnd"] = "keyword", ["imageAtomicOr"] = "keyword", ["imageAtomicXor"] = "keyword", ["imageAtomicExchange"]= "keyword", ["imageAtomicCompSwap"]= "keyword", --Geometry Shader Functions ["EmitStreamVertex"] = "keyword", ["EndStreamPrimitive"] = "keyword", ["EmitVertex"] = "keyword", ["EndPrimitive"] = "keyword", --Fragment Processing Functions ["dFdx"] = "keyword", ["dFdy"] = "keyword", ["dFdxFine"] = "keyword", ["dFdyFine"] = "keyword", ["dFdxCoarse"] = "keyword", ["dFdyCoarse"] = "keyword", ["fwidth"] = "keyword", ["fwidthFine"] = "keyword", ["fwidthCoarse"] = "keyword", ["interpolateAtCentroid"]= "keyword", ["interpolateAtSample"] = "keyword", ["interpolateAtOffset"] = "keyword", --Shader Invocation Control Functions ["barrier"] = "keyword", --Shader Memory Control Functions ["memoryBarrier"] = "keyword", ["memoryBarrierAtomicCounter"]= "keyword", ["memoryBarrierBuffer"] = "keyword", ["memoryBarrierShared"] = "keyword", ["memoryBarrierImage"] = "keyword", ["groupMemoryBarrier"] = "keyword", --Subpass-Input Functions ["subpassLoad"] = "keyword", --Shader Invocation Group Functions ["anyInvocation"] = "keyword", ["allInvocations"] = "keyword", ["allInvocationsEqual"]= "keyword", --"In addition, when targeting Vulkan, the following keywords also exist:" ["texture1D"] = "keyword", ["texture1DArray"] = "keyword", ["itexture1D"] = "keyword", ["itexture1DArray"] = "keyword", ["utexture1D"] = "keyword", ["utexture1DArray"] = "keyword", ["texture2D"] = "keyword", ["texture2DArray"] = "keyword", ["itexture2D"] = "keyword", ["itexture2DArray"] = "keyword", ["utexture2D"] = "keyword", ["utexture2DArray"] = "keyword", ["texture2DRect"] = "keyword", ["itexture2DRect"] = "keyword", ["utexture2DRect"] = "keyword", ["texture2DMS"] = "keyword", ["itexture2DMS"] = "keyword", ["utexture2DMS"] = "keyword", ["texture2DMSArray"] = "keyword", ["itexture2DMSArray"]= "keyword", ["utexture2DMSArray"]= "keyword", ["texture3D"] = "keyword", ["itexture3D"] = "keyword", ["utexture3D"] = "keyword", ["textureCube"] = "keyword", ["itextureCube"] = "keyword", ["utextureCube"] = "keyword", ["textureCubeArray"] = "keyword", ["itextureCubeArray"]= "keyword", ["utextureCubeArray"]= "keyword", ["textureBuffer"] = "keyword", ["itextureBuffer"] = "keyword", ["utextureBuffer"] = "keyword", ["sampler"] = "keyword2", ["samplerShadow"] = "keyword2", ["subpassInput"] = "keyword2", ["isubpassInput"] = "keyword2", ["usubpassInput"] = "keyword2", ["subpassInputMS"] = "keyword2", ["isubpassInputMS"] = "keyword2", ["usubpassInputMS"] = "keyword2", }, }