1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/compiler/MapLongVariableNames.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,59 @@
1.4 +//
1.5 +// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +#ifndef COMPILER_MAP_LONG_VARIABLE_NAMES_H_
1.11 +#define COMPILER_MAP_LONG_VARIABLE_NAMES_H_
1.12 +
1.13 +#include "GLSLANG/ShaderLang.h"
1.14 +
1.15 +#include "compiler/intermediate.h"
1.16 +#include "compiler/VariableInfo.h"
1.17 +
1.18 +// This size does not include '\0' in the end.
1.19 +#define MAX_SHORTENED_IDENTIFIER_SIZE 32
1.20 +
1.21 +// This is a ref-counted singleton. GetInstance() returns a pointer to the
1.22 +// singleton, and after use, call Release(). GetInstance() and Release() should
1.23 +// be paired.
1.24 +class LongNameMap {
1.25 +public:
1.26 + static LongNameMap* GetInstance();
1.27 + void Release();
1.28 +
1.29 + // Return the mapped name if <originalName, mappedName> is in the map;
1.30 + // otherwise, return NULL.
1.31 + const char* Find(const char* originalName) const;
1.32 +
1.33 + // Insert a pair into the map.
1.34 + void Insert(const char* originalName, const char* mappedName);
1.35 +
1.36 + // Return the number of entries in the map.
1.37 + size_t Size() const;
1.38 +
1.39 +private:
1.40 + LongNameMap();
1.41 + ~LongNameMap();
1.42 +
1.43 + size_t refCount;
1.44 + std::map<std::string, std::string> mLongNameMap;
1.45 +};
1.46 +
1.47 +// Traverses intermediate tree to map attributes and uniforms names that are
1.48 +// longer than MAX_SHORTENED_IDENTIFIER_SIZE to MAX_SHORTENED_IDENTIFIER_SIZE.
1.49 +class MapLongVariableNames : public TIntermTraverser {
1.50 +public:
1.51 + MapLongVariableNames(LongNameMap* globalMap);
1.52 +
1.53 + virtual void visitSymbol(TIntermSymbol*);
1.54 + virtual bool visitLoop(Visit, TIntermLoop*);
1.55 +
1.56 +private:
1.57 + TString mapGlobalLongName(const TString& name);
1.58 +
1.59 + LongNameMap* mGlobalMap;
1.60 +};
1.61 +
1.62 +#endif // COMPILER_MAP_LONG_VARIABLE_NAMES_H_
