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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GLLIBRARYLOADER_H_
#define GLLIBRARYLOADER_H_
#include <stdio.h>
#include "GLDefs.h"
#include "nscore.h"
#include "prlink.h"
namespace mozilla {
namespace gl {
class GLLibraryLoader
{
public:
bool OpenLibrary(const char* library);
typedef PRFuncPtr (GLAPIENTRY * PlatformLookupFunction) (const char*);
enum {
MAX_SYMBOL_NAMES = 6,
MAX_SYMBOL_LENGTH = 128
};
typedef struct {
PRFuncPtr* symPointer;
const char* symNames[MAX_SYMBOL_NAMES];
} SymLoadStruct;
bool LoadSymbols(const SymLoadStruct* firstStruct,
bool tryplatform = false,
const char* prefix = nullptr,
bool warnOnFailure = true);
/*
* Static version of the functions in this class
*/
static PRFuncPtr LookupSymbol(PRLibrary* lib,
const char* symname,
PlatformLookupFunction lookupFunction = nullptr);
static bool LoadSymbols(PRLibrary* lib,
const SymLoadStruct* firstStruct,
PlatformLookupFunction lookupFunction = nullptr,
const char* prefix = nullptr,
bool warnOnFailure = true);
protected:
GLLibraryLoader() {
mLibrary = nullptr;
mLookupFunc = nullptr;
}
PRLibrary* mLibrary;
PlatformLookupFunction mLookupFunc;
};
} /* namespace gl */
} /* namespace mozilla */
#endif /* GLLIBRARYLOADER_H_ */
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