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Diffstat (limited to 'Source/ThirdParty/ANGLE/src/compiler/MapLongVariableNames.h')
-rw-r--r-- | Source/ThirdParty/ANGLE/src/compiler/MapLongVariableNames.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Source/ThirdParty/ANGLE/src/compiler/MapLongVariableNames.h b/Source/ThirdParty/ANGLE/src/compiler/MapLongVariableNames.h new file mode 100644 index 0000000..b8eff2a --- /dev/null +++ b/Source/ThirdParty/ANGLE/src/compiler/MapLongVariableNames.h @@ -0,0 +1,60 @@ +// +// Copyright (c) 2002-2012 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_MAP_LONG_VARIABLE_NAMES_H_ +#define COMPILER_MAP_LONG_VARIABLE_NAMES_H_ + +#include "GLSLANG/ShaderLang.h" + +#include "compiler/intermediate.h" +#include "compiler/VariableInfo.h" + +// This size does not include '\0' in the end. +#define MAX_SHORTENED_IDENTIFIER_SIZE 32 + +// This is a ref-counted singleton. GetInstance() returns a pointer to the +// singleton, and after use, call Release(). GetInstance() and Release() should +// be paired. +class LongNameMap { +public: + static LongNameMap* GetInstance(); + void Release(); + + // Return the mapped name if <originalName, mappedName> is in the map; + // otherwise, return NULL. + const char* Find(const char* originalName) const; + + // Insert a pair into the map. + void Insert(const char* originalName, const char* mappedName); + + // Return the number of entries in the map. + int Size() const; + +private: + LongNameMap(); + ~LongNameMap(); + + size_t refCount; + std::map<std::string, std::string> mLongNameMap; +}; + +// Traverses intermediate tree to map attributes and uniforms names that are +// longer than MAX_SHORTENED_IDENTIFIER_SIZE to MAX_SHORTENED_IDENTIFIER_SIZE. +class MapLongVariableNames : public TIntermTraverser { +public: + MapLongVariableNames(LongNameMap* globalMap); + virtual ~MapLongVariableNames() {} + + virtual void visitSymbol(TIntermSymbol*); + virtual bool visitLoop(Visit, TIntermLoop*); + +private: + TString mapGlobalLongName(const TString& name); + + LongNameMap* mGlobalMap; +}; + +#endif // COMPILER_MAP_LONG_VARIABLE_NAMES_H_ |