gecko-dev/gfx/gl/GLLibraryLoader.h
Jeff Gilbert 3fc6d1fc74 Bug 1344433 - Reformat. - r=daoshengmu
MozReview-Commit-ID: 8W0oGeHBYtR
2017-03-06 15:39:36 -08:00

68 lines
1.8 KiB
C++

/* 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 void ClearSymbols(const SymLoadStruct* firstStruct);
PRFuncPtr LookupSymbol(const char* symname);
/*
* 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_ */