blob: fd2ff82613c18e0477f24a4f66b0d37ba612119e [file] [log] [blame]
//
// 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.
size_t 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 void visitSymbol(TIntermSymbol*);
private:
TString mapGlobalLongName(const TString& name);
LongNameMap* mGlobalMap;
};
#endif // COMPILER_MAP_LONG_VARIABLE_NAMES_H_