| // |
| // Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // |
| // Create strings that declare built-in definitions, add built-ins that |
| // cannot be expressed in the files, and establish mappings between |
| // built-in functions and operators. |
| // |
| |
| #include "Initialize.h" |
| |
| #include "intermediate.h" |
| |
| void InsertBuiltInFunctions(GLenum type, const ShBuiltInResources &resources, TSymbolTable &symbolTable) |
| { |
| TType *float1 = new TType(EbtFloat); |
| TType *float2 = new TType(EbtFloat, 2); |
| TType *float3 = new TType(EbtFloat, 3); |
| TType *float4 = new TType(EbtFloat, 4); |
| TType *genType = new TType(EbtGenType); |
| |
| TType *int1 = new TType(EbtInt); |
| TType *uint1 = new TType(EbtUInt); |
| TType *genIType = new TType(EbtGenIType); |
| TType *genUType = new TType(EbtGenUType); |
| TType *genBType = new TType(EbtGenBType); |
| |
| // |
| // Angle and Trigonometric Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpRadians, genType, "radians", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpDegrees, genType, "degrees", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSin, genType, "sin", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpCos, genType, "cos", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpTan, genType, "tan", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAsin, genType, "asin", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAcos, genType, "acos", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAtan, genType, "atan", genType, genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAtan, genType, "atan", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpSinh, genType, "sinh", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpCosh, genType, "cosh", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTanh, genType, "tanh", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpAsinh, genType, "asinh", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpAcosh, genType, "acosh", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpAtanh, genType, "atanh", genType); |
| |
| // |
| // Exponential Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpPow, genType, "pow", genType, genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpExp, genType, "exp", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLog, genType, "log", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpExp2, genType, "exp2", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLog2, genType, "log2", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSqrt, genType, "sqrt", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpInverseSqrt, genType, "inversesqrt", genType); |
| |
| // |
| // Common Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAbs, genType, "abs", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpAbs, genIType, "abs", genIType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSign, genType, "sign", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpSign, genIType, "sign", genIType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpFloor, genType, "floor", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTrunc, genType, "trunc", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpRound, genType, "round", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpRoundEven, genType, "roundEven", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpCeil, genType, "ceil", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpFract, genType, "fract", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMod, genType, "mod", genType, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMod, genType, "mod", genType, genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMin, genType, "min", genType, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMin, genType, "min", genType, genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMin, genIType, "min", genIType, genIType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMin, genIType, "min", genIType, int1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMin, genUType, "min", genUType, genUType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMin, genUType, "min", genUType, uint1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMax, genType, "max", genType, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMax, genType, "max", genType, genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMax, genIType, "max", genIType, genIType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMax, genIType, "max", genIType, int1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMax, genUType, "max", genUType, genUType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMax, genUType, "max", genUType, uint1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpClamp, genType, "clamp", genType, float1, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpClamp, genType, "clamp", genType, genType, genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpClamp, genIType, "clamp", genIType, int1, int1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpClamp, genIType, "clamp", genIType, genIType, genIType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpClamp, genUType, "clamp", genUType, uint1, uint1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpClamp, genUType, "clamp", genUType, genUType, genUType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMix, genType, "mix", genType, genType, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMix, genType, "mix", genType, genType, genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpStep, genType, "step", genType, genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpStep, genType, "step", float1, genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSmoothStep, genType, "smoothstep", genType, genType, genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSmoothStep, genType, "smoothstep", float1, float1, genType); |
| |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpIsNan, genBType, "isnan", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpIsInf, genBType, "isinf", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpFloatBitsToInt, genIType, "floatBitsToInt", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpFloatBitsToUint, genUType, "floatBitsToUint", genType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpIntBitsToFloat, genType, "intBitsToFloat", genIType); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpUintBitsToFloat, genType, "uintBitsToFloat", genUType);
|
|
|
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpPackSnorm2x16, uint1, "packSnorm2x16", float2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpPackUnorm2x16, uint1, "packUnorm2x16", float2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpPackHalf2x16, uint1, "packHalf2x16", float2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpUnpackSnorm2x16, float2, "unpackSnorm2x16", uint1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpUnpackUnorm2x16, float2, "unpackUnorm2x16", uint1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpUnpackHalf2x16, float2, "unpackHalf2x16", uint1); |
| |
| // |
| // Geometric Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLength, float1, "length", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpDistance, float1, "distance", genType, genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpDot, float1, "dot", genType, genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpCross, float3, "cross", float3, float3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpNormalize, genType, "normalize", genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpFaceForward, genType, "faceforward", genType, genType, genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpReflect, genType, "reflect", genType, genType); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpRefract, genType, "refract", genType, genType, float1); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpFtransform, float4, "ftransform", 0); |
| |
| TType *mat2 = new TType(EbtFloat, 2, 2); |
| TType *mat2x3 = new TType(EbtFloat, 2, 3); |
| TType *mat2x4 = new TType(EbtFloat, 2, 4); |
| TType *mat3x2 = new TType(EbtFloat, 3, 2); |
| TType *mat3 = new TType(EbtFloat, 3, 3); |
| TType *mat3x4 = new TType(EbtFloat, 3, 4); |
| TType *mat4x2 = new TType(EbtFloat, 4, 2); |
| TType *mat4x3 = new TType(EbtFloat, 4, 3); |
| TType *mat4 = new TType(EbtFloat, 4, 4); |
| |
| // |
| // Matrix Functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMul, mat2, "matrixCompMult", mat2, mat2); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMul, mat3, "matrixCompMult", mat3, mat3); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpMul, mat4, "matrixCompMult", mat4, mat4); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat2x3, "matrixCompMult", mat2x3, mat2x3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat3x2, "matrixCompMult", mat3x2, mat3x2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat2x4, "matrixCompMult", mat2x4, mat2x4); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat4x2, "matrixCompMult", mat4x2, mat4x2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat3x4, "matrixCompMult", mat3x4, mat3x4); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpMul, mat4x3, "matrixCompMult", mat4x3, mat4x3);
|
|
|
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat2, "outerProduct", float2, float2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat3, "outerProduct", float3, float3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat4, "outerProduct", float4, float4); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat2x3, "outerProduct", float3, float2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat3x2, "outerProduct", float2, float3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat2x4, "outerProduct", float4, float2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat4x2, "outerProduct", float2, float4); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat3x4, "outerProduct", float4, float3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpOuterProduct, mat4x3, "outerProduct", float3, float4);
|
|
|
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat2, "transpose", mat2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat3, "transpose", mat3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat4, "transpose", mat4); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat2x3, "transpose", mat3x2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat3x2, "transpose", mat2x3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat2x4, "transpose", mat4x2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat4x2, "transpose", mat2x4); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat3x4, "transpose", mat4x3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpTranspose, mat4x3, "transpose", mat3x4);
|
|
|
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpDeterminant, float1, "determinant", mat2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpDeterminant, float1, "determinant", mat3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpDeterminant, float1, "determinant", mat4);
|
|
|
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpInverse, mat2, "inverse", mat2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpInverse, mat3, "inverse", mat3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpInverse, mat4, "inverse", mat4);
|
| |
| |
| TType *bool1 = new TType(EbtBool); |
| TType *vec = new TType(EbtVec); |
| TType *ivec = new TType(EbtIVec); |
| TType *uvec = new TType(EbtUVec);
|
| TType *bvec = new TType(EbtBVec); |
| |
| // |
| // Vector relational functions. |
| // |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLessThan, bvec, "lessThan", vec, vec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLessThan, bvec, "lessThan", ivec, ivec); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpLessThan, bvec, "lessThan", uvec, uvec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLessThanEqual, bvec, "lessThanEqual", vec, vec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpLessThanEqual, bvec, "lessThanEqual", ivec, ivec); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpLessThanEqual, bvec, "lessThanEqual", uvec, uvec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpGreaterThan, bvec, "greaterThan", vec, vec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpGreaterThan, bvec, "greaterThan", ivec, ivec); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpGreaterThan, bvec, "greaterThan", uvec, uvec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpGreaterThanEqual, bvec, "greaterThanEqual", vec, vec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpGreaterThanEqual, bvec, "greaterThanEqual", ivec, ivec); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpGreaterThanEqual, bvec, "greaterThanEqual", uvec, uvec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorEqual, bvec, "equal", vec, vec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorEqual, bvec, "equal", ivec, ivec); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpVectorEqual, bvec, "equal", uvec, uvec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorEqual, bvec, "equal", bvec, bvec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorNotEqual, bvec, "notEqual", vec, vec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorNotEqual, bvec, "notEqual", ivec, ivec); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpVectorNotEqual, bvec, "notEqual", uvec, uvec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorNotEqual, bvec, "notEqual", bvec, bvec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAny, bool1, "any", bvec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpAll, bool1, "all", bvec); |
| symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpVectorLogicalNot, bvec, "not", bvec); |
| |
| TType *sampler2D = new TType(EbtSampler2D); |
| TType *samplerCube = new TType(EbtSamplerCube); |
| TType *sampler3D = new TType(EbtSampler3D); |
| |
| // |
| // Texture Functions for GLSL ES 1.0 |
| // |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture3D", sampler3D, float3); |
| |
| if(resources.OES_EGL_image_external) |
| { |
| TType *samplerExternalOES = new TType(EbtSamplerExternalOES); |
| |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", samplerExternalOES, float2); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES, float3); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", samplerExternalOES, float4); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture3D", samplerExternalOES, float3); |
| } |
| |
| if(type == GL_FRAGMENT_SHADER) |
| { |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2D", sampler2D, float2, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float3, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProj", sampler2D, float4, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCube", samplerCube, float3, float1); |
| |
| if(resources.OES_standard_derivatives) |
| { |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, EOpDFdx, "GL_OES_standard_derivatives", genType, "dFdx", genType); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, EOpDFdy, "GL_OES_standard_derivatives", genType, "dFdy", genType); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, EOpFwidth,"GL_OES_standard_derivatives", genType, "fwidth", genType); |
| } |
| } |
| |
| if(type == GL_VERTEX_SHADER) |
| { |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DLod", sampler2D, float2, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float3, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture2DProjLod", sampler2D, float4, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "textureCubeLod", samplerCube, float3, float1); |
| symbolTable.insertBuiltIn(ESSL1_BUILTINS, float4, "texture3DLod", sampler3D, float3, float1); |
| } |
| |
| TType *gvec4 = new TType(EbtGVec4); |
| |
| TType *gsampler2D = new TType(EbtGSampler2D); |
| TType *gsamplerCube = new TType(EbtGSamplerCube); |
| TType *gsampler3D = new TType(EbtGSampler3D); |
| TType *gsampler2DArray = new TType(EbtGSampler2DArray); |
| |
| // |
| // Texture Functions for GLSL ES 3.0 |
| // |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2D, float2, float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler3D, float3, float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsamplerCube, float3, float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2DArray, float3, float1); |
| |
| if(type == GL_FRAGMENT_SHADER) |
| { |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2, float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler3D, float3, float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsamplerCube, float3, float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2DArray, float3, float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3, float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4, float1); |
| symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4, float1); |
| } |
| |
| // |
| // Depth range in window coordinates |
| // |
| TTypeList *members = NewPoolTTypeList(); |
| TTypeLine near = {new TType(EbtFloat, EbpHigh, EvqGlobal, 1), 0}; |
| TTypeLine far = {new TType(EbtFloat, EbpHigh, EvqGlobal, 1), 0}; |
| TTypeLine diff = {new TType(EbtFloat, EbpHigh, EvqGlobal, 1), 0}; |
| near.type->setFieldName("near"); |
| far.type->setFieldName("far"); |
| diff.type->setFieldName("diff"); |
| members->push_back(near); |
| members->push_back(far); |
| members->push_back(diff); |
| TVariable *depthRangeParameters = new TVariable(NewPoolTString("gl_DepthRangeParameters"), TType(members, "gl_DepthRangeParameters"), true); |
| symbolTable.insert(COMMON_BUILTINS, *depthRangeParameters); |
| TVariable *depthRange = new TVariable(NewPoolTString("gl_DepthRange"), TType(members, "gl_DepthRangeParameters")); |
| depthRange->setQualifier(EvqUniform); |
| symbolTable.insert(COMMON_BUILTINS, *depthRange); |
| |
| // |
| // Implementation dependent built-in constants. |
| // |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexAttribs", resources.MaxVertexAttribs); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexUniformVectors", resources.MaxVertexUniformVectors); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxVertexTextureImageUnits", resources.MaxVertexTextureImageUnits); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxCombinedTextureImageUnits", resources.MaxCombinedTextureImageUnits); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxTextureImageUnits", resources.MaxTextureImageUnits); |
| symbolTable.insertConstInt(COMMON_BUILTINS, "gl_MaxFragmentUniformVectors", resources.MaxFragmentUniformVectors); |
| symbolTable.insertConstInt(ESSL1_BUILTINS, "gl_MaxVaryingVectors", resources.MaxVaryingVectors); |
| symbolTable.insertConstInt(ESSL1_BUILTINS, "gl_MaxDrawBuffers", resources.MaxDrawBuffers); |
| symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxVertexOutputVectors", resources.MaxVertexOutputVectors); |
| symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxFragmentInputVectors", resources.MaxFragmentInputVectors); |
| symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MinProgramTexelOffset", resources.MinProgramTexelOffset); |
| symbolTable.insertConstInt(ESSL3_BUILTINS, "gl_MaxProgramTexelOffset", resources.MaxProgramTexelOffset); |
| } |
| |
| void IdentifyBuiltIns(GLenum shaderType, |
| const ShBuiltInResources &resources, |
| TSymbolTable &symbolTable) |
| { |
| // |
| // First, insert some special built-in variables that are not in |
| // the built-in header files. |
| // |
| switch(shaderType) |
| { |
| case GL_FRAGMENT_SHADER: |
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_FragCoord"), TType(EbtFloat, EbpMedium, EvqFragCoord, 4))); |
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_FrontFacing"), TType(EbtBool, EbpUndefined, EvqFrontFacing, 1))); |
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_PointCoord"), TType(EbtFloat, EbpMedium, EvqPointCoord, 2))); |
| symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragColor"), TType(EbtFloat, EbpMedium, EvqFragColor, 4))); |
| symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragData[gl_MaxDrawBuffers]"), TType(EbtFloat, EbpMedium, EvqFragData, 4))); |
| break; |
| case GL_VERTEX_SHADER: |
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_MultiTexCoord0"), TType(EbtFloat, EbpMedium, EvqMultiTexCoord0, 4)));
|
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_MultiTexCoord1"), TType(EbtFloat, EbpMedium, EvqMultiTexCoord1, 4)));
|
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_MultiTexCoord2"), TType(EbtFloat, EbpMedium, EvqMultiTexCoord2, 4)));
|
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_MultiTexCoord3"), TType(EbtFloat, EbpMedium, EvqMultiTexCoord3, 4)));
|
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_MultiTexCoord4"), TType(EbtFloat, EbpMedium, EvqMultiTexCoord4, 4)));
|
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_MultiTexCoord5"), TType(EbtFloat, EbpMedium, EvqMultiTexCoord5, 4)));
|
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_MultiTexCoord6"), TType(EbtFloat, EbpMedium, EvqMultiTexCoord6, 4)));
|
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_MultiTexCoord7"), TType(EbtFloat, EbpMedium, EvqMultiTexCoord7, 4))); |
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_Position"), TType(EbtFloat, EbpMedium, EvqPosition, 4))); |
| symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_PointSize"), TType(EbtFloat, EbpMedium, EvqPointSize, 1))); |
| symbolTable.insert(ESSL3_BUILTINS, *new TVariable(NewPoolTString("gl_InstanceID"), TType(EbtInt, EbpHigh, EvqInstanceID, 1))); |
| break; |
| default: assert(false && "Language not supported"); |
| } |
| |
| // Set up gl_TexCoord
|
| TType texCoord(EbtFloat, EbpMedium, EvqTexCoords, 4, 1, true);
|
| texCoord.setArraySize(resources.MaxTextureCoords);
|
| symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_TexCoord"), texCoord)); |
| |
| // Finally add resource-specific variables. |
| switch(shaderType) |
| { |
| case GL_FRAGMENT_SHADER: |
| { |
| // Set up gl_FragData. The array size. |
| TType fragData(EbtFloat, EbpMedium, EvqFragData, 4, 1, true); |
| fragData.setArraySize(resources.MaxDrawBuffers); |
| symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragData"), fragData)); |
| } |
| break; |
| default: break; |
| } |
| } |
| |
| void InitExtensionBehavior(const ShBuiltInResources& resources, |
| TExtensionBehavior& extBehavior) |
| { |
| if(resources.OES_standard_derivatives) |
| extBehavior["GL_OES_standard_derivatives"] = EBhUndefined; |
| if(resources.OES_fragment_precision_high) |
| extBehavior["GL_FRAGMENT_PRECISION_HIGH"] = EBhUndefined; |
| if(resources.OES_EGL_image_external) |
| extBehavior["GL_OES_EGL_image_external"] = EBhUndefined; |
| } |
