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path: root/Source/ThirdParty/ANGLE/src/compiler/Initialize.cpp
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-rw-r--r--Source/ThirdParty/ANGLE/src/compiler/Initialize.cpp564
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diff --git a/Source/ThirdParty/ANGLE/src/compiler/Initialize.cpp b/Source/ThirdParty/ANGLE/src/compiler/Initialize.cpp
deleted file mode 100644
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--- a/Source/ThirdParty/ANGLE/src/compiler/Initialize.cpp
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@@ -1,564 +0,0 @@
-//
-// 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 "compiler/Initialize.h"
-
-#include "compiler/intermediate.h"
-
-void InsertBuiltInFunctions(ShShaderType type, ShShaderSpec spec, const ShBuiltInResources &resources, TSymbolTable &symbolTable)
-{
- TType *float1 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 1);
- TType *float2 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 2);
- TType *float3 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 3);
- TType *float4 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 4);
-
- TType *int2 = new TType(EbtInt, EbpUndefined, EvqGlobal, 2);
- TType *int3 = new TType(EbtInt, EbpUndefined, EvqGlobal, 3);
- TType *int4 = new TType(EbtInt, EbpUndefined, EvqGlobal, 4);
-
- //
- // Angle and Trigonometric Functions.
- //
- symbolTable.insertBuiltIn(float1, "radians", float1);
- symbolTable.insertBuiltIn(float2, "radians", float2);
- symbolTable.insertBuiltIn(float3, "radians", float3);
- symbolTable.insertBuiltIn(float4, "radians", float4);
-
- symbolTable.insertBuiltIn(float1, "degrees", float1);
- symbolTable.insertBuiltIn(float2, "degrees", float2);
- symbolTable.insertBuiltIn(float3, "degrees", float3);
- symbolTable.insertBuiltIn(float4, "degrees", float4);
-
- symbolTable.insertBuiltIn(float1, "sin", float1);
- symbolTable.insertBuiltIn(float2, "sin", float2);
- symbolTable.insertBuiltIn(float3, "sin", float3);
- symbolTable.insertBuiltIn(float4, "sin", float4);
-
- symbolTable.insertBuiltIn(float1, "cos", float1);
- symbolTable.insertBuiltIn(float2, "cos", float2);
- symbolTable.insertBuiltIn(float3, "cos", float3);
- symbolTable.insertBuiltIn(float4, "cos", float4);
-
- symbolTable.insertBuiltIn(float1, "tan", float1);
- symbolTable.insertBuiltIn(float2, "tan", float2);
- symbolTable.insertBuiltIn(float3, "tan", float3);
- symbolTable.insertBuiltIn(float4, "tan", float4);
-
- symbolTable.insertBuiltIn(float1, "asin", float1);
- symbolTable.insertBuiltIn(float2, "asin", float2);
- symbolTable.insertBuiltIn(float3, "asin", float3);
- symbolTable.insertBuiltIn(float4, "asin", float4);
-
- symbolTable.insertBuiltIn(float1, "acos", float1);
- symbolTable.insertBuiltIn(float2, "acos", float2);
- symbolTable.insertBuiltIn(float3, "acos", float3);
- symbolTable.insertBuiltIn(float4, "acos", float4);
-
- symbolTable.insertBuiltIn(float1, "atan", float1, float1);
- symbolTable.insertBuiltIn(float2, "atan", float2, float2);
- symbolTable.insertBuiltIn(float3, "atan", float3, float3);
- symbolTable.insertBuiltIn(float4, "atan", float4, float4);
-
- symbolTable.insertBuiltIn(float1, "atan", float1);
- symbolTable.insertBuiltIn(float2, "atan", float2);
- symbolTable.insertBuiltIn(float3, "atan", float3);
- symbolTable.insertBuiltIn(float4, "atan", float4);
-
- //
- // Exponential Functions.
- //
- symbolTable.insertBuiltIn(float1, "pow", float1, float1);
- symbolTable.insertBuiltIn(float2, "pow", float2, float2);
- symbolTable.insertBuiltIn(float3, "pow", float3, float3);
- symbolTable.insertBuiltIn(float4, "pow", float4, float4);
-
- symbolTable.insertBuiltIn(float1, "exp", float1);
- symbolTable.insertBuiltIn(float2, "exp", float2);
- symbolTable.insertBuiltIn(float3, "exp", float3);
- symbolTable.insertBuiltIn(float4, "exp", float4);
-
- symbolTable.insertBuiltIn(float1, "log", float1);
- symbolTable.insertBuiltIn(float2, "log", float2);
- symbolTable.insertBuiltIn(float3, "log", float3);
- symbolTable.insertBuiltIn(float4, "log", float4);
-
- symbolTable.insertBuiltIn(float1, "exp2", float1);
- symbolTable.insertBuiltIn(float2, "exp2", float2);
- symbolTable.insertBuiltIn(float3, "exp2", float3);
- symbolTable.insertBuiltIn(float4, "exp2", float4);
-
- symbolTable.insertBuiltIn(float1, "log2", float1);
- symbolTable.insertBuiltIn(float2, "log2", float2);
- symbolTable.insertBuiltIn(float3, "log2", float3);
- symbolTable.insertBuiltIn(float4, "log2", float4);
-
- symbolTable.insertBuiltIn(float1, "sqrt", float1);
- symbolTable.insertBuiltIn(float2, "sqrt", float2);
- symbolTable.insertBuiltIn(float3, "sqrt", float3);
- symbolTable.insertBuiltIn(float4, "sqrt", float4);
-
- symbolTable.insertBuiltIn(float1, "inversesqrt", float1);
- symbolTable.insertBuiltIn(float2, "inversesqrt", float2);
- symbolTable.insertBuiltIn(float3, "inversesqrt", float3);
- symbolTable.insertBuiltIn(float4, "inversesqrt", float4);
-
- //
- // Common Functions.
- //
- symbolTable.insertBuiltIn(float1, "abs", float1);
- symbolTable.insertBuiltIn(float2, "abs", float2);
- symbolTable.insertBuiltIn(float3, "abs", float3);
- symbolTable.insertBuiltIn(float4, "abs", float4);
-
- symbolTable.insertBuiltIn(float1, "sign", float1);
- symbolTable.insertBuiltIn(float2, "sign", float2);
- symbolTable.insertBuiltIn(float3, "sign", float3);
- symbolTable.insertBuiltIn(float4, "sign", float4);
-
- symbolTable.insertBuiltIn(float1, "floor", float1);
- symbolTable.insertBuiltIn(float2, "floor", float2);
- symbolTable.insertBuiltIn(float3, "floor", float3);
- symbolTable.insertBuiltIn(float4, "floor", float4);
-
- symbolTable.insertBuiltIn(float1, "ceil", float1);
- symbolTable.insertBuiltIn(float2, "ceil", float2);
- symbolTable.insertBuiltIn(float3, "ceil", float3);
- symbolTable.insertBuiltIn(float4, "ceil", float4);
-
- symbolTable.insertBuiltIn(float1, "fract", float1);
- symbolTable.insertBuiltIn(float2, "fract", float2);
- symbolTable.insertBuiltIn(float3, "fract", float3);
- symbolTable.insertBuiltIn(float4, "fract", float4);
-
- symbolTable.insertBuiltIn(float1, "mod", float1, float1);
- symbolTable.insertBuiltIn(float2, "mod", float2, float1);
- symbolTable.insertBuiltIn(float3, "mod", float3, float1);
- symbolTable.insertBuiltIn(float4, "mod", float4, float1);
- symbolTable.insertBuiltIn(float2, "mod", float2, float2);
- symbolTable.insertBuiltIn(float3, "mod", float3, float3);
- symbolTable.insertBuiltIn(float4, "mod", float4, float4);
-
- symbolTable.insertBuiltIn(float1, "min", float1, float1);
- symbolTable.insertBuiltIn(float2, "min", float2, float1);
- symbolTable.insertBuiltIn(float3, "min", float3, float1);
- symbolTable.insertBuiltIn(float4, "min", float4, float1);
- symbolTable.insertBuiltIn(float2, "min", float2, float2);
- symbolTable.insertBuiltIn(float3, "min", float3, float3);
- symbolTable.insertBuiltIn(float4, "min", float4, float4);
-
- symbolTable.insertBuiltIn(float1, "max", float1, float1);
- symbolTable.insertBuiltIn(float2, "max", float2, float1);
- symbolTable.insertBuiltIn(float3, "max", float3, float1);
- symbolTable.insertBuiltIn(float4, "max", float4, float1);
- symbolTable.insertBuiltIn(float2, "max", float2, float2);
- symbolTable.insertBuiltIn(float3, "max", float3, float3);
- symbolTable.insertBuiltIn(float4, "max", float4, float4);
-
- symbolTable.insertBuiltIn(float1, "clamp", float1, float1, float1);
- symbolTable.insertBuiltIn(float2, "clamp", float2, float1, float1);
- symbolTable.insertBuiltIn(float3, "clamp", float3, float1, float1);
- symbolTable.insertBuiltIn(float4, "clamp", float4, float1, float1);
- symbolTable.insertBuiltIn(float2, "clamp", float2, float2, float2);
- symbolTable.insertBuiltIn(float3, "clamp", float3, float3, float3);
- symbolTable.insertBuiltIn(float4, "clamp", float4, float4, float4);
-
- symbolTable.insertBuiltIn(float1, "mix", float1, float1, float1);
- symbolTable.insertBuiltIn(float2, "mix", float2, float2, float1);
- symbolTable.insertBuiltIn(float3, "mix", float3, float3, float1);
- symbolTable.insertBuiltIn(float4, "mix", float4, float4, float1);
- symbolTable.insertBuiltIn(float2, "mix", float2, float2, float2);
- symbolTable.insertBuiltIn(float3, "mix", float3, float3, float3);
- symbolTable.insertBuiltIn(float4, "mix", float4, float4, float4);
-
- symbolTable.insertBuiltIn(float1, "step", float1, float1);
- symbolTable.insertBuiltIn(float2, "step", float2, float2);
- symbolTable.insertBuiltIn(float3, "step", float3, float3);
- symbolTable.insertBuiltIn(float4, "step", float4, float4);
- symbolTable.insertBuiltIn(float2, "step", float1, float2);
- symbolTable.insertBuiltIn(float3, "step", float1, float3);
- symbolTable.insertBuiltIn(float4, "step", float1, float4);
-
- symbolTable.insertBuiltIn(float1, "smoothstep", float1, float1, float1);
- symbolTable.insertBuiltIn(float2, "smoothstep", float2, float2, float2);
- symbolTable.insertBuiltIn(float3, "smoothstep", float3, float3, float3);
- symbolTable.insertBuiltIn(float4, "smoothstep", float4, float4, float4);
- symbolTable.insertBuiltIn(float2, "smoothstep", float1, float1, float2);
- symbolTable.insertBuiltIn(float3, "smoothstep", float1, float1, float3);
- symbolTable.insertBuiltIn(float4, "smoothstep", float1, float1, float4);
-
- //
- // Geometric Functions.
- //
- symbolTable.insertBuiltIn(float1, "length", float1);
- symbolTable.insertBuiltIn(float1, "length", float2);
- symbolTable.insertBuiltIn(float1, "length", float3);
- symbolTable.insertBuiltIn(float1, "length", float4);
-
- symbolTable.insertBuiltIn(float1, "distance", float1, float1);
- symbolTable.insertBuiltIn(float1, "distance", float2, float2);
- symbolTable.insertBuiltIn(float1, "distance", float3, float3);
- symbolTable.insertBuiltIn(float1, "distance", float4, float4);
-
- symbolTable.insertBuiltIn(float1, "dot", float1, float1);
- symbolTable.insertBuiltIn(float1, "dot", float2, float2);
- symbolTable.insertBuiltIn(float1, "dot", float3, float3);
- symbolTable.insertBuiltIn(float1, "dot", float4, float4);
-
- symbolTable.insertBuiltIn(float3, "cross", float3, float3);
- symbolTable.insertBuiltIn(float1, "normalize", float1);
- symbolTable.insertBuiltIn(float2, "normalize", float2);
- symbolTable.insertBuiltIn(float3, "normalize", float3);
- symbolTable.insertBuiltIn(float4, "normalize", float4);
-
- symbolTable.insertBuiltIn(float1, "faceforward", float1, float1, float1);
- symbolTable.insertBuiltIn(float2, "faceforward", float2, float2, float2);
- symbolTable.insertBuiltIn(float3, "faceforward", float3, float3, float3);
- symbolTable.insertBuiltIn(float4, "faceforward", float4, float4, float4);
-
- symbolTable.insertBuiltIn(float1, "reflect", float1, float1);
- symbolTable.insertBuiltIn(float2, "reflect", float2, float2);
- symbolTable.insertBuiltIn(float3, "reflect", float3, float3);
- symbolTable.insertBuiltIn(float4, "reflect", float4, float4);
-
- symbolTable.insertBuiltIn(float1, "refract", float1, float1, float1);
- symbolTable.insertBuiltIn(float2, "refract", float2, float2, float1);
- symbolTable.insertBuiltIn(float3, "refract", float3, float3, float1);
- symbolTable.insertBuiltIn(float4, "refract", float4, float4, float1);
-
- TType *mat2 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 2, true);
- TType *mat3 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 3, true);
- TType *mat4 = new TType(EbtFloat, EbpUndefined, EvqGlobal, 4, true);
-
- //
- // Matrix Functions.
- //
- symbolTable.insertBuiltIn(mat2, "matrixCompMult", mat2, mat2);
- symbolTable.insertBuiltIn(mat3, "matrixCompMult", mat3, mat3);
- symbolTable.insertBuiltIn(mat4, "matrixCompMult", mat4, mat4);
-
- TType *bool1 = new TType(EbtBool, EbpUndefined, EvqGlobal, 1);
- TType *bool2 = new TType(EbtBool, EbpUndefined, EvqGlobal, 2);
- TType *bool3 = new TType(EbtBool, EbpUndefined, EvqGlobal, 3);
- TType *bool4 = new TType(EbtBool, EbpUndefined, EvqGlobal, 4);
-
- //
- // Vector relational functions.
- //
- symbolTable.insertBuiltIn(bool2, "lessThan", float2, float2);
- symbolTable.insertBuiltIn(bool3, "lessThan", float3, float3);
- symbolTable.insertBuiltIn(bool4, "lessThan", float4, float4);
-
- symbolTable.insertBuiltIn(bool2, "lessThan", int2, int2);
- symbolTable.insertBuiltIn(bool3, "lessThan", int3, int3);
- symbolTable.insertBuiltIn(bool4, "lessThan", int4, int4);
-
- symbolTable.insertBuiltIn(bool2, "lessThanEqual", float2, float2);
- symbolTable.insertBuiltIn(bool3, "lessThanEqual", float3, float3);
- symbolTable.insertBuiltIn(bool4, "lessThanEqual", float4, float4);
-
- symbolTable.insertBuiltIn(bool2, "lessThanEqual", int2, int2);
- symbolTable.insertBuiltIn(bool3, "lessThanEqual", int3, int3);
- symbolTable.insertBuiltIn(bool4, "lessThanEqual", int4, int4);
-
- symbolTable.insertBuiltIn(bool2, "greaterThan", float2, float2);
- symbolTable.insertBuiltIn(bool3, "greaterThan", float3, float3);
- symbolTable.insertBuiltIn(bool4, "greaterThan", float4, float4);
-
- symbolTable.insertBuiltIn(bool2, "greaterThan", int2, int2);
- symbolTable.insertBuiltIn(bool3, "greaterThan", int3, int3);
- symbolTable.insertBuiltIn(bool4, "greaterThan", int4, int4);
-
- symbolTable.insertBuiltIn(bool2, "greaterThanEqual", float2, float2);
- symbolTable.insertBuiltIn(bool3, "greaterThanEqual", float3, float3);
- symbolTable.insertBuiltIn(bool4, "greaterThanEqual", float4, float4);
-
- symbolTable.insertBuiltIn(bool2, "greaterThanEqual", int2, int2);
- symbolTable.insertBuiltIn(bool3, "greaterThanEqual", int3, int3);
- symbolTable.insertBuiltIn(bool4, "greaterThanEqual", int4, int4);
-
- symbolTable.insertBuiltIn(bool2, "equal", float2, float2);
- symbolTable.insertBuiltIn(bool3, "equal", float3, float3);
- symbolTable.insertBuiltIn(bool4, "equal", float4, float4);
-
- symbolTable.insertBuiltIn(bool2, "equal", int2, int2);
- symbolTable.insertBuiltIn(bool3, "equal", int3, int3);
- symbolTable.insertBuiltIn(bool4, "equal", int4, int4);
-
- symbolTable.insertBuiltIn(bool2, "equal", bool2, bool2);
- symbolTable.insertBuiltIn(bool3, "equal", bool3, bool3);
- symbolTable.insertBuiltIn(bool4, "equal", bool4, bool4);
-
- symbolTable.insertBuiltIn(bool2, "notEqual", float2, float2);
- symbolTable.insertBuiltIn(bool3, "notEqual", float3, float3);
- symbolTable.insertBuiltIn(bool4, "notEqual", float4, float4);
-
- symbolTable.insertBuiltIn(bool2, "notEqual", int2, int2);
- symbolTable.insertBuiltIn(bool3, "notEqual", int3, int3);
- symbolTable.insertBuiltIn(bool4, "notEqual", int4, int4);
-
- symbolTable.insertBuiltIn(bool2, "notEqual", bool2, bool2);
- symbolTable.insertBuiltIn(bool3, "notEqual", bool3, bool3);
- symbolTable.insertBuiltIn(bool4, "notEqual", bool4, bool4);
-
- symbolTable.insertBuiltIn(bool1, "any", bool2);
- symbolTable.insertBuiltIn(bool1, "any", bool3);
- symbolTable.insertBuiltIn(bool1, "any", bool4);
-
- symbolTable.insertBuiltIn(bool1, "all", bool2);
- symbolTable.insertBuiltIn(bool1, "all", bool3);
- symbolTable.insertBuiltIn(bool1, "all", bool4);
-
- symbolTable.insertBuiltIn(bool2, "not", bool2);
- symbolTable.insertBuiltIn(bool3, "not", bool3);
- symbolTable.insertBuiltIn(bool4, "not", bool4);
-
- TType *sampler2D = new TType(EbtSampler2D, EbpUndefined, EvqGlobal, 1);
- TType *samplerCube = new TType(EbtSamplerCube, EbpUndefined, EvqGlobal, 1);
-
- //
- // Texture Functions for GLSL ES 1.0
- //
- symbolTable.insertBuiltIn(float4, "texture2D", sampler2D, float2);
- symbolTable.insertBuiltIn(float4, "texture2DProj", sampler2D, float3);
- symbolTable.insertBuiltIn(float4, "texture2DProj", sampler2D, float4);
- symbolTable.insertBuiltIn(float4, "textureCube", samplerCube, float3);
-
- if (resources.OES_EGL_image_external)
- {
- TType *samplerExternalOES = new TType(EbtSamplerExternalOES, EbpUndefined, EvqGlobal, 1);
-
- symbolTable.insertBuiltIn(float4, "texture2D", samplerExternalOES, float2);
- symbolTable.insertBuiltIn(float4, "texture2DProj", samplerExternalOES, float3);
- symbolTable.insertBuiltIn(float4, "texture2DProj", samplerExternalOES, float4);
- }
-
- if (resources.ARB_texture_rectangle)
- {
- TType *sampler2DRect = new TType(EbtSampler2DRect, EbpUndefined, EvqGlobal, 1);
-
- symbolTable.insertBuiltIn(float4, "texture2DRect", sampler2DRect, float2);
- symbolTable.insertBuiltIn(float4, "texture2DRectProj", sampler2DRect, float3);
- symbolTable.insertBuiltIn(float4, "texture2DRectProj", sampler2DRect, float4);
- }
-
- if (type == SH_FRAGMENT_SHADER)
- {
- symbolTable.insertBuiltIn(float4, "texture2D", sampler2D, float2, float1);
- symbolTable.insertBuiltIn(float4, "texture2DProj", sampler2D, float3, float1);
- symbolTable.insertBuiltIn(float4, "texture2DProj", sampler2D, float4, float1);
- symbolTable.insertBuiltIn(float4, "textureCube", samplerCube, float3, float1);
-
- if (resources.OES_standard_derivatives)
- {
- symbolTable.insertBuiltIn(float1, "dFdx", float1);
- symbolTable.insertBuiltIn(float2, "dFdx", float2);
- symbolTable.insertBuiltIn(float3, "dFdx", float3);
- symbolTable.insertBuiltIn(float4, "dFdx", float4);
-
- symbolTable.insertBuiltIn(float1, "dFdy", float1);
- symbolTable.insertBuiltIn(float2, "dFdy", float2);
- symbolTable.insertBuiltIn(float3, "dFdy", float3);
- symbolTable.insertBuiltIn(float4, "dFdy", float4);
-
- symbolTable.insertBuiltIn(float1, "fwidth", float1);
- symbolTable.insertBuiltIn(float2, "fwidth", float2);
- symbolTable.insertBuiltIn(float3, "fwidth", float3);
- symbolTable.insertBuiltIn(float4, "fwidth", float4);
- }
- }
-
- if(type == SH_VERTEX_SHADER)
- {
- symbolTable.insertBuiltIn(float4, "texture2DLod", sampler2D, float2, float1);
- symbolTable.insertBuiltIn(float4, "texture2DProjLod", sampler2D, float3, float1);
- symbolTable.insertBuiltIn(float4, "texture2DProjLod", sampler2D, float4, float1);
- symbolTable.insertBuiltIn(float4, "textureCubeLod", samplerCube, float3, float1);
- }
-
- //
- // Depth range in window coordinates
- //
- TFieldList *fields = NewPoolTFieldList();
- TField *near = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("near"));
- TField *far = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("far"));
- TField *diff = new TField(new TType(EbtFloat, EbpHigh, EvqGlobal, 1), NewPoolTString("diff"));
- fields->push_back(near);
- fields->push_back(far);
- fields->push_back(diff);
- TStructure *depthRangeStruct = new TStructure(NewPoolTString("gl_DepthRangeParameters"), fields);
- TVariable *depthRangeParameters = new TVariable(&depthRangeStruct->name(), depthRangeStruct, true);
- symbolTable.insert(*depthRangeParameters);
- TVariable *depthRange = new TVariable(NewPoolTString("gl_DepthRange"), TType(depthRangeStruct));
- depthRange->setQualifier(EvqUniform);
- symbolTable.insert(*depthRange);
-
- //
- // Implementation dependent built-in constants.
- //
- symbolTable.insertConstInt("gl_MaxVertexAttribs", resources.MaxVertexAttribs);
- symbolTable.insertConstInt("gl_MaxVertexUniformVectors", resources.MaxVertexUniformVectors);
- symbolTable.insertConstInt("gl_MaxVaryingVectors", resources.MaxVaryingVectors);
- symbolTable.insertConstInt("gl_MaxVertexTextureImageUnits", resources.MaxVertexTextureImageUnits);
- symbolTable.insertConstInt("gl_MaxCombinedTextureImageUnits", resources.MaxCombinedTextureImageUnits);
- symbolTable.insertConstInt("gl_MaxTextureImageUnits", resources.MaxTextureImageUnits);
- symbolTable.insertConstInt("gl_MaxFragmentUniformVectors", resources.MaxFragmentUniformVectors);
-
- if (spec != SH_CSS_SHADERS_SPEC)
- {
- symbolTable.insertConstInt("gl_MaxDrawBuffers", resources.MaxDrawBuffers);
- }
-}
-
-void IdentifyBuiltIns(ShShaderType type, ShShaderSpec spec,
- const ShBuiltInResources &resources,
- TSymbolTable &symbolTable)
-{
- //
- // First, insert some special built-in variables that are not in
- // the built-in header files.
- //
- switch(type) {
- case SH_FRAGMENT_SHADER:
- symbolTable.insert(*new TVariable(NewPoolTString("gl_FragCoord"), TType(EbtFloat, EbpMedium, EvqFragCoord, 4)));
- symbolTable.insert(*new TVariable(NewPoolTString("gl_FrontFacing"), TType(EbtBool, EbpUndefined, EvqFrontFacing, 1)));
- symbolTable.insert(*new TVariable(NewPoolTString("gl_PointCoord"), TType(EbtFloat, EbpMedium, EvqPointCoord, 2)));
-
- //
- // In CSS Shaders, gl_FragColor, gl_FragData, and gl_MaxDrawBuffers are not available.
- // Instead, css_MixColor and css_ColorMatrix are available.
- //
- if (spec != SH_CSS_SHADERS_SPEC) {
- symbolTable.insert(*new TVariable(NewPoolTString("gl_FragColor"), TType(EbtFloat, EbpMedium, EvqFragColor, 4)));
- symbolTable.insert(*new TVariable(NewPoolTString("gl_FragData[gl_MaxDrawBuffers]"), TType(EbtFloat, EbpMedium, EvqFragData, 4)));
- if (resources.EXT_frag_depth) {
- symbolTable.insert(*new TVariable(NewPoolTString("gl_FragDepthEXT"), TType(EbtFloat, resources.FragmentPrecisionHigh ? EbpHigh : EbpMedium, EvqFragDepth, 1)));
- symbolTable.relateToExtension("gl_FragDepthEXT", "GL_EXT_frag_depth");
- }
- } else {
- symbolTable.insert(*new TVariable(NewPoolTString("css_MixColor"), TType(EbtFloat, EbpMedium, EvqGlobal, 4)));
- symbolTable.insert(*new TVariable(NewPoolTString("css_ColorMatrix"), TType(EbtFloat, EbpMedium, EvqGlobal, 4, true)));
- }
-
- break;
-
- case SH_VERTEX_SHADER:
- symbolTable.insert(*new TVariable(NewPoolTString("gl_Position"), TType(EbtFloat, EbpHigh, EvqPosition, 4)));
- symbolTable.insert(*new TVariable(NewPoolTString("gl_PointSize"), TType(EbtFloat, EbpMedium, EvqPointSize, 1)));
- break;
-
- default: assert(false && "Language not supported");
- }
-
- //
- // Next, identify which built-ins from the already loaded headers have
- // a mapping to an operator. Those that are not identified as such are
- // expected to be resolved through a library of functions, versus as
- // operations.
- //
- symbolTable.relateToOperator("matrixCompMult", EOpMul);
-
- symbolTable.relateToOperator("equal", EOpVectorEqual);
- symbolTable.relateToOperator("notEqual", EOpVectorNotEqual);
- symbolTable.relateToOperator("lessThan", EOpLessThan);
- symbolTable.relateToOperator("greaterThan", EOpGreaterThan);
- symbolTable.relateToOperator("lessThanEqual", EOpLessThanEqual);
- symbolTable.relateToOperator("greaterThanEqual", EOpGreaterThanEqual);
-
- symbolTable.relateToOperator("radians", EOpRadians);
- symbolTable.relateToOperator("degrees", EOpDegrees);
- symbolTable.relateToOperator("sin", EOpSin);
- symbolTable.relateToOperator("cos", EOpCos);
- symbolTable.relateToOperator("tan", EOpTan);
- symbolTable.relateToOperator("asin", EOpAsin);
- symbolTable.relateToOperator("acos", EOpAcos);
- symbolTable.relateToOperator("atan", EOpAtan);
-
- symbolTable.relateToOperator("pow", EOpPow);
- symbolTable.relateToOperator("exp2", EOpExp2);
- symbolTable.relateToOperator("log", EOpLog);
- symbolTable.relateToOperator("exp", EOpExp);
- symbolTable.relateToOperator("log2", EOpLog2);
- symbolTable.relateToOperator("sqrt", EOpSqrt);
- symbolTable.relateToOperator("inversesqrt", EOpInverseSqrt);
-
- symbolTable.relateToOperator("abs", EOpAbs);
- symbolTable.relateToOperator("sign", EOpSign);
- symbolTable.relateToOperator("floor", EOpFloor);
- symbolTable.relateToOperator("ceil", EOpCeil);
- symbolTable.relateToOperator("fract", EOpFract);
- symbolTable.relateToOperator("mod", EOpMod);
- symbolTable.relateToOperator("min", EOpMin);
- symbolTable.relateToOperator("max", EOpMax);
- symbolTable.relateToOperator("clamp", EOpClamp);
- symbolTable.relateToOperator("mix", EOpMix);
- symbolTable.relateToOperator("step", EOpStep);
- symbolTable.relateToOperator("smoothstep", EOpSmoothStep);
-
- symbolTable.relateToOperator("length", EOpLength);
- symbolTable.relateToOperator("distance", EOpDistance);
- symbolTable.relateToOperator("dot", EOpDot);
- symbolTable.relateToOperator("cross", EOpCross);
- symbolTable.relateToOperator("normalize", EOpNormalize);
- symbolTable.relateToOperator("faceforward", EOpFaceForward);
- symbolTable.relateToOperator("reflect", EOpReflect);
- symbolTable.relateToOperator("refract", EOpRefract);
-
- symbolTable.relateToOperator("any", EOpAny);
- symbolTable.relateToOperator("all", EOpAll);
- symbolTable.relateToOperator("not", EOpVectorLogicalNot);
-
- // Map language-specific operators.
- switch(type) {
- case SH_VERTEX_SHADER:
- break;
- case SH_FRAGMENT_SHADER:
- if (resources.OES_standard_derivatives) {
- symbolTable.relateToOperator("dFdx", EOpDFdx);
- symbolTable.relateToOperator("dFdy", EOpDFdy);
- symbolTable.relateToOperator("fwidth", EOpFwidth);
-
- symbolTable.relateToExtension("dFdx", "GL_OES_standard_derivatives");
- symbolTable.relateToExtension("dFdy", "GL_OES_standard_derivatives");
- symbolTable.relateToExtension("fwidth", "GL_OES_standard_derivatives");
- }
- break;
- default: break;
- }
-
- // Finally add resource-specific variables.
- switch(type) {
- case SH_FRAGMENT_SHADER:
- if (spec != SH_CSS_SHADERS_SPEC) {
- // Set up gl_FragData. The array size.
- TType fragData(EbtFloat, EbpMedium, EvqFragData, 4, false, true);
- fragData.setArraySize(resources.MaxDrawBuffers);
- symbolTable.insert(*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_EGL_image_external)
- extBehavior["GL_OES_EGL_image_external"] = EBhUndefined;
- if (resources.ARB_texture_rectangle)
- extBehavior["GL_ARB_texture_rectangle"] = EBhUndefined;
- if (resources.EXT_draw_buffers)
- extBehavior["GL_EXT_draw_buffers"] = EBhUndefined;
- if (resources.EXT_frag_depth)
- extBehavior["GL_EXT_frag_depth"] = EBhUndefined;
-}