| // |
| // 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. |
| // |
| |
| #ifndef COMPILER_OUTPUTHLSL_H_ |
| #define COMPILER_OUTPUTHLSL_H_ |
| |
| #include <list> |
| #include <set> |
| #include <map> |
| |
| #define GL_APICALL |
| #include <GLES2/gl2.h> |
| |
| #include "compiler/intermediate.h" |
| #include "compiler/ParseHelper.h" |
| #include "compiler/Uniform.h" |
| |
| namespace sh |
| { |
| class UnfoldShortCircuit; |
| |
| class OutputHLSL : public TIntermTraverser |
| { |
| public: |
| OutputHLSL(TParseContext &context, const ShBuiltInResources& resources, ShShaderOutput outputType); |
| ~OutputHLSL(); |
| |
| void output(); |
| |
| TInfoSinkBase &getBodyStream(); |
| const ActiveUniforms &getUniforms(); |
| |
| TString typeString(const TType &type); |
| TString textureString(const TType &type); |
| static TString qualifierString(TQualifier qualifier); |
| static TString arrayString(const TType &type); |
| static TString initializer(const TType &type); |
| static TString decorate(const TString &string); // Prepends an underscore to avoid naming clashes |
| static TString decorateUniform(const TString &string, const TType &type); |
| static TString decorateField(const TString &string, const TType &structure); |
| |
| protected: |
| void header(); |
| |
| // Visit AST nodes and output their code to the body stream |
| void visitSymbol(TIntermSymbol*); |
| void visitConstantUnion(TIntermConstantUnion*); |
| bool visitBinary(Visit visit, TIntermBinary*); |
| bool visitUnary(Visit visit, TIntermUnary*); |
| bool visitSelection(Visit visit, TIntermSelection*); |
| bool visitAggregate(Visit visit, TIntermAggregate*); |
| bool visitLoop(Visit visit, TIntermLoop*); |
| bool visitBranch(Visit visit, TIntermBranch*); |
| |
| void traverseStatements(TIntermNode *node); |
| bool isSingleStatement(TIntermNode *node); |
| bool handleExcessiveLoop(TIntermLoop *node); |
| void outputTriplet(Visit visit, const TString &preString, const TString &inString, const TString &postString); |
| void outputLineDirective(int line); |
| TString argumentString(const TIntermSymbol *symbol); |
| int vectorSize(const TType &type) const; |
| |
| void addConstructor(const TType &type, const TString &name, const TIntermSequence *parameters); |
| const ConstantUnion *writeConstantUnion(const TType &type, const ConstantUnion *constUnion); |
| |
| TString scopeString(unsigned int depthLimit); |
| TString scopedStruct(const TString &typeName); |
| TString structLookup(const TString &typeName); |
| |
| TParseContext &mContext; |
| const ShShaderOutput mOutputType; |
| UnfoldShortCircuit *mUnfoldShortCircuit; |
| bool mInsideFunction; |
| |
| // Output streams |
| TInfoSinkBase mHeader; |
| TInfoSinkBase mBody; |
| TInfoSinkBase mFooter; |
| |
| typedef std::map<TString, TIntermSymbol*> ReferencedSymbols; |
| ReferencedSymbols mReferencedUniforms; |
| ReferencedSymbols mReferencedAttributes; |
| ReferencedSymbols mReferencedVaryings; |
| |
| // Parameters determining what goes in the header output |
| bool mUsesTexture2D; |
| bool mUsesTexture2D_bias; |
| bool mUsesTexture2DLod; |
| bool mUsesTexture2DProj; |
| bool mUsesTexture2DProj_bias; |
| bool mUsesTexture2DProjLod; |
| bool mUsesTextureCube; |
| bool mUsesTextureCube_bias; |
| bool mUsesTextureCubeLod; |
| bool mUsesTexture2DLod0; |
| bool mUsesTexture2DLod0_bias; |
| bool mUsesTexture2DProjLod0; |
| bool mUsesTexture2DProjLod0_bias; |
| bool mUsesTextureCubeLod0; |
| bool mUsesTextureCubeLod0_bias; |
| bool mUsesFragColor; |
| bool mUsesFragData; |
| bool mUsesDepthRange; |
| bool mUsesFragCoord; |
| bool mUsesPointCoord; |
| bool mUsesFrontFacing; |
| bool mUsesPointSize; |
| bool mUsesFragDepth; |
| bool mUsesXor; |
| bool mUsesMod1; |
| bool mUsesMod2v; |
| bool mUsesMod2f; |
| bool mUsesMod3v; |
| bool mUsesMod3f; |
| bool mUsesMod4v; |
| bool mUsesMod4f; |
| bool mUsesFaceforward1; |
| bool mUsesFaceforward2; |
| bool mUsesFaceforward3; |
| bool mUsesFaceforward4; |
| bool mUsesEqualMat2; |
| bool mUsesEqualMat3; |
| bool mUsesEqualMat4; |
| bool mUsesEqualVec2; |
| bool mUsesEqualVec3; |
| bool mUsesEqualVec4; |
| bool mUsesEqualIVec2; |
| bool mUsesEqualIVec3; |
| bool mUsesEqualIVec4; |
| bool mUsesEqualBVec2; |
| bool mUsesEqualBVec3; |
| bool mUsesEqualBVec4; |
| bool mUsesAtan2_1; |
| bool mUsesAtan2_2; |
| bool mUsesAtan2_3; |
| bool mUsesAtan2_4; |
| |
| int mNumRenderTargets; |
| |
| typedef std::set<TString> Constructors; |
| Constructors mConstructors; |
| |
| typedef std::set<TString> StructNames; |
| StructNames mStructNames; |
| |
| typedef std::list<TString> StructDeclarations; |
| StructDeclarations mStructDeclarations; |
| |
| typedef std::vector<int> ScopeBracket; |
| ScopeBracket mScopeBracket; |
| unsigned int mScopeDepth; |
| |
| int mUniqueIndex; // For creating unique names |
| |
| bool mContainsLoopDiscontinuity; |
| bool mOutputLod0Function; |
| bool mInsideDiscontinuousLoop; |
| |
| TIntermSymbol *mExcessiveLoopIndex; |
| |
| int mUniformRegister; |
| int mSamplerRegister; |
| |
| TString registerString(TIntermSymbol *operand); |
| int samplerRegister(TIntermSymbol *sampler); |
| int uniformRegister(TIntermSymbol *uniform); |
| void declareUniform(const TType &type, const TString &name, int index); |
| static GLenum glVariableType(const TType &type); |
| static GLenum glVariablePrecision(const TType &type); |
| |
| ActiveUniforms mActiveUniforms; |
| }; |
| } |
| |
| #endif // COMPILER_OUTPUTHLSL_H_ |