1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/gl/GLLibraryLoader.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,67 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef GLLIBRARYLOADER_H_
1.9 +#define GLLIBRARYLOADER_H_
1.10 +
1.11 +#include <stdio.h>
1.12 +
1.13 +#ifdef WIN32
1.14 +#include <windows.h>
1.15 +#endif
1.16 +
1.17 +#include "GLDefs.h"
1.18 +#include "nscore.h"
1.19 +#include "prlink.h"
1.20 +
1.21 +namespace mozilla {
1.22 +namespace gl {
1.23 +
1.24 +class GLLibraryLoader
1.25 +{
1.26 +public:
1.27 + bool OpenLibrary(const char *library);
1.28 +
1.29 + typedef PRFuncPtr (GLAPIENTRY * PlatformLookupFunction) (const char *);
1.30 +
1.31 + enum {
1.32 + MAX_SYMBOL_NAMES = 6,
1.33 + MAX_SYMBOL_LENGTH = 128
1.34 + };
1.35 +
1.36 + typedef struct {
1.37 + PRFuncPtr *symPointer;
1.38 + const char *symNames[MAX_SYMBOL_NAMES];
1.39 + } SymLoadStruct;
1.40 +
1.41 + bool LoadSymbols(SymLoadStruct *firstStruct,
1.42 + bool tryplatform = false,
1.43 + const char *prefix = nullptr,
1.44 + bool warnOnFailure = true);
1.45 +
1.46 + /*
1.47 + * Static version of the functions in this class
1.48 + */
1.49 + static PRFuncPtr LookupSymbol(PRLibrary *lib,
1.50 + const char *symname,
1.51 + PlatformLookupFunction lookupFunction = nullptr);
1.52 + static bool LoadSymbols(PRLibrary *lib,
1.53 + SymLoadStruct *firstStruct,
1.54 + PlatformLookupFunction lookupFunction = nullptr,
1.55 + const char *prefix = nullptr,
1.56 + bool warnOnFailure = true);
1.57 +protected:
1.58 + GLLibraryLoader() {
1.59 + mLibrary = nullptr;
1.60 + mLookupFunc = nullptr;
1.61 + }
1.62 +
1.63 + PRLibrary *mLibrary;
1.64 + PlatformLookupFunction mLookupFunc;
1.65 +};
1.66 +
1.67 +} /* namespace gl */
1.68 +} /* namespace mozilla */
1.69 +
1.70 +#endif /* GLLIBRARYLOADER_H_ */
