| // |
| // 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/intermediate.h" |
| |
| // Provides information about a variable. |
| // It is currently being used to store info about active attribs and uniforms. |
| struct TVariableInfo { |
| TVariableInfo(ShDataType type, int size); |
| TVariableInfo(); |
| |
| TPersistString name; |
| TPersistString mappedName; |
| ShDataType type; |
| int size; |
| TPrecision precision; |
| bool staticUse; |
| }; |
| typedef std::vector<TVariableInfo> TVariableInfoList; |
| |
| // Traverses intermediate tree to collect all attributes, uniforms, varyings. |
| class CollectVariables : public TIntermTraverser { |
| public: |
| CollectVariables(TVariableInfoList& attribs, |
| TVariableInfoList& uniforms, |
| TVariableInfoList& varyings, |
| ShHashFunction64 hashFunction); |
| |
| virtual void visitSymbol(TIntermSymbol*); |
| virtual bool visitAggregate(Visit, TIntermAggregate*); |
| |
| private: |
| TVariableInfoList& mAttribs; |
| TVariableInfoList& mUniforms; |
| TVariableInfoList& mVaryings; |
| |
| bool mPointCoordAdded; |
| bool mFrontFacingAdded; |
| bool mFragCoordAdded; |
| |
| ShHashFunction64 mHashFunction; |
| }; |
| |
| #endif // COMPILER_VARIABLE_INFO_H_ |