Mercurial > sdl-ios-xcode
view src/video/directfb/SDL_DirectFB_dyn.c @ 3000:61081db2385a
Whoops, missing files from Couriersud's update
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 05 Jan 2009 01:48:15 +0000 |
parents | |
children | d72a0dd80e8b |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2009 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" #include "SDL_DirectFB_dyn.h" #include "SDL_DirectFB_video.h" #ifdef SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC #include "SDL_name.h" #include "SDL_loadso.h" #define DFB_SYM(ret, name, args, al, func) ret (*name) args; static struct _SDL_DirectFB_Symbols { DFB_SYMS const unsigned int *directfb_major_version; const unsigned int *directfb_minor_version; const unsigned int *directfb_micro_version; } SDL_DirectFB_Symbols; #undef DFB_SYM #define DFB_SYM(ret, name, args, al, func) ret name args { func SDL_DirectFB_Symbols.name al ; } DFB_SYMS #undef DFB_SYM static void *handle = NULL; int SDL_DirectFB_LoadLibrary(void) { int retval = 0; if (handle == NULL) { handle = SDL_LoadObject(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC); if (handle != NULL) { retval = 1; #define DFB_SYM(ret, name, args, al, func) if (!(SDL_DirectFB_Symbols.name = SDL_LoadFunction(handle, # name))) retval = 0; DFB_SYMS #undef DFB_SYM if (! (SDL_DirectFB_Symbols.directfb_major_version = SDL_LoadFunction(handle, "directfb_major_version"))) retval = 0; if (! (SDL_DirectFB_Symbols.directfb_minor_version = SDL_LoadFunction(handle, "directfb_minor_version"))) retval = 0; if (! (SDL_DirectFB_Symbols.directfb_micro_version = SDL_LoadFunction(handle, "directfb_micro_version"))) retval = 0; } } if (retval) { /* Version Check */ if ((*SDL_DirectFB_Symbols.directfb_major_version != DIRECTFB_MAJOR_VERSION) || (*SDL_DirectFB_Symbols.directfb_minor_version != DIRECTFB_MINOR_VERSION)) { fprintf(stderr, "DirectFB Lib: Version mismatch. Compiled: %d.%d.%d Library %d.%d.%d\n", DIRECTFB_MAJOR_VERSION, DIRECTFB_MINOR_VERSION, DIRECTFB_MICRO_VERSION, *SDL_DirectFB_Symbols.directfb_major_version, *SDL_DirectFB_Symbols.directfb_minor_version, *SDL_DirectFB_Symbols.directfb_micro_version); retval = 0; } } if (!retval) SDL_DirectFB_UnLoadLibrary(); return retval; } void SDL_DirectFB_UnLoadLibrary(void) { if (handle != NULL) { SDL_UnloadObject(handle); handle = NULL; } } #else int SDL_DirectFB_LoadLibrary(void) { return 1; } void SDL_DirectFB_UnLoadLibrary(void) { } #endif