The Tor Browser / file comparison
comparison: gfx/gl/GLLibraryLoader.h
gfx/gl/GLLibraryLoader.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:d99dc0296b31 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef GLLIBRARYLOADER_H_ | |
| 6 #define GLLIBRARYLOADER_H_ | |
| 7 | |
| 8 #include <stdio.h> | |
| 9 | |
| 10 #ifdef WIN32 | |
| 11 #include <windows.h> | |
| 12 #endif | |
| 13 | |
| 14 #include "GLDefs.h" | |
| 15 #include "nscore.h" | |
| 16 #include "prlink.h" | |
| 17 | |
| 18 namespace mozilla { | |
| 19 namespace gl { | |
| 20 | |
| 21 class GLLibraryLoader | |
| 22 { | |
| 23 public: | |
| 24 bool OpenLibrary(const char *library); | |
| 25 | |
| 26 typedef PRFuncPtr (GLAPIENTRY * PlatformLookupFunction) (const char *); | |
| 27 | |
| 28 enum { | |
| 29 MAX_SYMBOL_NAMES = 6, | |
| 30 MAX_SYMBOL_LENGTH = 128 | |
| 31 }; | |
| 32 | |
| 33 typedef struct { | |
| 34 PRFuncPtr *symPointer; | |
| 35 const char *symNames[MAX_SYMBOL_NAMES]; | |
| 36 } SymLoadStruct; | |
| 37 | |
| 38 bool LoadSymbols(SymLoadStruct *firstStruct, | |
| 39 bool tryplatform = false, | |
| 40 const char *prefix = nullptr, | |
| 41 bool warnOnFailure = true); | |
| 42 | |
| 43 /* | |
| 44 * Static version of the functions in this class | |
| 45 */ | |
| 46 static PRFuncPtr LookupSymbol(PRLibrary *lib, | |
| 47 const char *symname, | |
| 48 PlatformLookupFunction lookupFunction = nullptr); | |
| 49 static bool LoadSymbols(PRLibrary *lib, | |
| 50 SymLoadStruct *firstStruct, | |
| 51 PlatformLookupFunction lookupFunction = nullptr, | |
| 52 const char *prefix = nullptr, | |
| 53 bool warnOnFailure = true); | |
| 54 protected: | |
| 55 GLLibraryLoader() { | |
| 56 mLibrary = nullptr; | |
| 57 mLookupFunc = nullptr; | |
| 58 } | |
| 59 | |
| 60 PRLibrary *mLibrary; | |
| 61 PlatformLookupFunction mLookupFunc; | |
| 62 }; | |
| 63 | |
| 64 } /* namespace gl */ | |
| 65 } /* namespace mozilla */ | |
| 66 | |
| 67 #endif /* GLLIBRARYLOADER_H_ */ |
