| // |
| // Copyright (c) 2002-2011 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_VARIABLE_INFO_H_ |
| #define COMPILER_VARIABLE_INFO_H_ |
| |
| #include <GLSLANG/ShaderLang.h> |
| |
| #include "compiler/translator/IntermNode.h" |
| |
| namespace sh |
| { |
| |
| // Traverses intermediate tree to collect all attributes, uniforms, varyings. |
| class CollectVariables : public TIntermTraverser |
| { |
| public: |
| CollectVariables(std::vector<Attribute> *attribs, |
| std::vector<Attribute> *outputVariables, |
| std::vector<Uniform> *uniforms, |
| std::vector<Varying> *varyings, |
| std::vector<InterfaceBlock> *interfaceBlocks, |
| ShHashFunction64 hashFunction); |
| |
| virtual void visitSymbol(TIntermSymbol *symbol); |
| virtual bool visitAggregate(Visit, TIntermAggregate *node); |
| virtual bool visitBinary(Visit visit, TIntermBinary *binaryNode); |
| |
| private: |
| template <typename VarT> |
| void visitVariable(const TIntermSymbol *variable, std::vector<VarT> *infoList) const; |
| |
| template <typename VarT> |
| void visitInfoList(const TIntermSequence &sequence, std::vector<VarT> *infoList) const; |
| |
| std::vector<Attribute> *mAttribs; |
| std::vector<Attribute> *mOutputVariables; |
| std::vector<Uniform> *mUniforms; |
| std::vector<Varying> *mVaryings; |
| std::vector<InterfaceBlock> *mInterfaceBlocks; |
| |
| std::map<std::string, InterfaceBlockField *> mInterfaceBlockFields; |
| |
| bool mPointCoordAdded; |
| bool mFrontFacingAdded; |
| bool mFragCoordAdded; |
| |
| ShHashFunction64 mHashFunction; |
| }; |
| |
| // Expand struct variables to flattened lists of split variables |
| template <typename VarT> |
| void ExpandVariables(const std::vector<VarT> &compact, |
| std::vector<ShaderVariable> *expanded); |
| |
| } |
| |
| #endif // COMPILER_VARIABLE_INFO_H_ |