| // |
| // 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. |
| // |
| |
| #include "compiler/translator/OutputGLSL.h" |
| |
| namespace sh |
| { |
| |
| TOutputGLSL::TOutputGLSL(TInfoSinkBase &objSink, |
| ShArrayIndexClampingStrategy clampingStrategy, |
| ShHashFunction64 hashFunction, |
| NameMap &nameMap, |
| TSymbolTable &symbolTable, |
| sh::GLenum shaderType, |
| int shaderVersion, |
| ShShaderOutput output, |
| ShCompileOptions compileOptions) |
| : TOutputGLSLBase(objSink, |
| clampingStrategy, |
| hashFunction, |
| nameMap, |
| symbolTable, |
| shaderType, |
| shaderVersion, |
| output, |
| compileOptions) |
| { |
| } |
| |
| bool TOutputGLSL::writeVariablePrecision(TPrecision) |
| { |
| return false; |
| } |
| |
| void TOutputGLSL::visitSymbol(TIntermSymbol *node) |
| { |
| TInfoSinkBase &out = objSink(); |
| |
| const TString &symbol = node->getSymbol(); |
| if (symbol == "gl_FragDepthEXT") |
| { |
| out << "gl_FragDepth"; |
| } |
| else if (symbol == "gl_FragColor" && sh::IsGLSL130OrNewer(getShaderOutput())) |
| { |
| out << "webgl_FragColor"; |
| } |
| else if (symbol == "gl_FragData" && sh::IsGLSL130OrNewer(getShaderOutput())) |
| { |
| out << "webgl_FragData"; |
| } |
| else if (symbol == "gl_SecondaryFragColorEXT") |
| { |
| out << "angle_SecondaryFragColor"; |
| } |
| else if (symbol == "gl_SecondaryFragDataEXT") |
| { |
| out << "angle_SecondaryFragData"; |
| } |
| else |
| { |
| TOutputGLSLBase::visitSymbol(node); |
| } |
| } |
| |
| TString TOutputGLSL::translateTextureFunction(const TString &name) |
| { |
| static const char *simpleRename[] = {"texture2DLodEXT", |
| "texture2DLod", |
| "texture2DProjLodEXT", |
| "texture2DProjLod", |
| "textureCubeLodEXT", |
| "textureCubeLod", |
| "texture2DGradEXT", |
| "texture2DGradARB", |
| "texture2DProjGradEXT", |
| "texture2DProjGradARB", |
| "textureCubeGradEXT", |
| "textureCubeGradARB", |
| nullptr, |
| nullptr}; |
| static const char *legacyToCoreRename[] = { |
| "texture2D", "texture", "texture2DProj", "textureProj", "texture2DLod", "textureLod", |
| "texture2DProjLod", "textureProjLod", "texture2DRect", "texture", "textureCube", "texture", |
| "textureCubeLod", "textureLod", |
| // Extensions |
| "texture2DLodEXT", "textureLod", "texture2DProjLodEXT", "textureProjLod", |
| "textureCubeLodEXT", "textureLod", "texture2DGradEXT", "textureGrad", |
| "texture2DProjGradEXT", "textureProjGrad", "textureCubeGradEXT", "textureGrad", nullptr, |
| nullptr}; |
| const char **mapping = |
| (sh::IsGLSL130OrNewer(getShaderOutput())) ? legacyToCoreRename : simpleRename; |
| |
| for (int i = 0; mapping[i] != nullptr; i += 2) |
| { |
| if (name == mapping[i]) |
| { |
| return mapping[i + 1]; |
| } |
| } |
| |
| return name; |
| } |
| |
| } // namespace sh |