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Diffstat (limited to 'chromium/third_party/angle/src/compiler/translator/OutputHLSL.h')
| -rw-r--r-- | chromium/third_party/angle/src/compiler/translator/OutputHLSL.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/chromium/third_party/angle/src/compiler/translator/OutputHLSL.h b/chromium/third_party/angle/src/compiler/translator/OutputHLSL.h new file mode 100644 index 00000000000..ab5a90be6e6 --- /dev/null +++ b/chromium/third_party/angle/src/compiler/translator/OutputHLSL.h @@ -0,0 +1,220 @@ +// +// Copyright (c) 2002-2014 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> + +#include <GLES3/gl3.h> +#include <GLES2/gl2.h> + +#include "compiler/translator/intermediate.h" +#include "compiler/translator/ParseContext.h" +#include "common/shadervars.h" + +namespace sh +{ +class UnfoldShortCircuit; + +class OutputHLSL : public TIntermTraverser +{ + public: + OutputHLSL(TParseContext &context, const ShBuiltInResources& resources, ShShaderOutput outputType); + ~OutputHLSL(); + + void output(); + + TInfoSinkBase &getBodyStream(); + const std::vector<gl::Uniform> &getUniforms(); + const std::vector<gl::InterfaceBlock> &getInterfaceBlocks() const; + const std::vector<gl::Attribute> &getOutputVariables() const; + const std::vector<gl::Attribute> &getAttributes() const; + const std::vector<gl::Varying> &getVaryings() const; + + TString typeString(const TType &type); + TString textureString(const TType &type); + TString samplerString(const TType &type); + TString interpolationString(TQualifier qualifier); + TString structureString(const TStructure &structure, bool useHLSLRowMajorPacking, bool useStd140Packing); + TString structureTypeName(const TStructure &structure, bool useHLSLRowMajorPacking, bool useStd140Packing); + 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 TStructure &structure); + + protected: + void header(); + + // Visit AST nodes and output their code to the body stream + void visitSymbol(TIntermSymbol*); + void visitRaw(TIntermRaw*); + 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 structNameString(const TStructure &structure); + + 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 mReferencedInterfaceBlocks; + ReferencedSymbols mReferencedAttributes; + ReferencedSymbols mReferencedVaryings; + ReferencedSymbols mReferencedOutputVariables; + + struct TextureFunction + { + enum Method + { + IMPLICIT, // Mipmap LOD determined implicitly (standard lookup) + BIAS, + LOD, + LOD0, + LOD0BIAS, + SIZE, // textureSize() + FETCH, + GRAD + }; + + TBasicType sampler; + int coords; + bool proj; + bool offset; + Method method; + + TString name() const; + + bool operator<(const TextureFunction &rhs) const; + }; + + typedef std::set<TextureFunction> TextureFunctionSet; + + // Parameters determining what goes in the header output + TextureFunctionSet mUsesTexture; + 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 mUsesAtan2_1; + bool mUsesAtan2_2; + bool mUsesAtan2_3; + bool mUsesAtan2_4; + bool mUsesDiscardRewriting; + bool mUsesNestedBreak; + + int mNumRenderTargets; + + typedef std::set<TString> Constructors; + Constructors mConstructors; + + typedef std::set<TString> StructNames; + StructNames mStructNames; + + typedef std::list<TString> StructDeclarations; + StructDeclarations mStructDeclarations; + + int mUniqueIndex; // For creating unique names + + bool mContainsLoopDiscontinuity; + bool mOutputLod0Function; + bool mInsideDiscontinuousLoop; + int mNestedLoopDepth; + + TIntermSymbol *mExcessiveLoopIndex; + + int mUniformRegister; + int mInterfaceBlockRegister; + int mSamplerRegister; + int mPaddingCounter; + + TString registerString(TIntermSymbol *operand); + int samplerRegister(TIntermSymbol *sampler); + int uniformRegister(TIntermSymbol *uniform); + void declareInterfaceBlockField(const TType &type, const TString &name, std::vector<gl::InterfaceBlockField>& output); + gl::Uniform declareUniformToList(const TType &type, const TString &name, int registerIndex, std::vector<gl::Uniform>& output); + void declareUniform(const TType &type, const TString &name, int index); + void declareVaryingToList(const TType &type, TQualifier baseTypeQualifier, const TString &name, std::vector<gl::Varying>& fieldsOut); + + // Returns the uniform's register index + int declareUniformAndAssignRegister(const TType &type, const TString &name); + + TString interfaceBlockFieldString(const TInterfaceBlock &interfaceBlock, const TField &field); + TString decoratePrivate(const TString &privateText); + TString interfaceBlockStructNameString(const TInterfaceBlock &interfaceBlockType); + TString interfaceBlockInstanceString(const TInterfaceBlock& interfaceBlock, unsigned int arrayIndex); + TString interfaceBlockFieldTypeString(const TField &field, TLayoutBlockStorage blockStorage); + TString interfaceBlockFieldString(const TInterfaceBlock &interfaceBlock, TLayoutBlockStorage blockStorage); + TString interfaceBlockStructString(const TInterfaceBlock &interfaceBlock); + TString interfaceBlockString(const TInterfaceBlock &interfaceBlock, unsigned int registerIndex, unsigned int arrayIndex); + TString std140PrePaddingString(const TType &type, int *elementIndex); + TString std140PostPaddingString(const TType &type, bool useHLSLRowMajorPacking); + TString structInitializerString(int indent, const TStructure &structure, const TString &rhsStructName); + + static GLenum glVariableType(const TType &type); + static GLenum glVariablePrecision(const TType &type); + static bool isVaryingIn(TQualifier qualifier); + static bool isVaryingOut(TQualifier qualifier); + static bool isVarying(TQualifier qualifier); + + std::vector<gl::Uniform> mActiveUniforms; + std::vector<gl::InterfaceBlock> mActiveInterfaceBlocks; + std::vector<gl::Attribute> mActiveOutputVariables; + std::vector<gl::Attribute> mActiveAttributes; + std::vector<gl::Varying> mActiveVaryings; + std::map<TString, int> mStd140StructElementIndexes; + std::map<TIntermTyped*, TString> mFlaggedStructMappedNames; + std::map<TIntermTyped*, TString> mFlaggedStructOriginalNames; + + void makeFlaggedStructMaps(const std::vector<TIntermTyped *> &flaggedStructs); +}; +} + +#endif // COMPILER_OUTPUTHLSL_H_ |