Add UpdateRect()

src/conio/sdlfuncs.c

@@ -52,6 +52,7 @@ int load_sdl_funcs(struct sdlfuncs *sdlf)
 	sdlf->SetColors=SDL_SetColors;
 	sdlf->BlitSurface=SDL_UpperBlit;
 	sdlf->UpdateRects=SDL_UpdateRects;
+	sdlf->UpdateRect=SDL_UpdateRect;
 	sdlf->SDL_CreateSemaphore=SDL_CreateSemaphore;
 	sdlf->SDL_DestroySemaphore=SDL_DestroySemaphore;
 	sdlf->SDL_CreateMutex=SDL_CreateMutex;
@@ -164,6 +165,10 @@ int load_sdl_funcs(struct sdlfuncs *sdlf)
 		FreeLibrary(sdl_dll);
 		return(-1);
 	}
+	if((sdlf->UpdateRect=(void *)GetProcAddress(sdl_dll, "SDL_UpdateRect"))==NULL) {
+		FreeLibrary(sdl_dll);
+		return(-1);
+	}
 	if((sdlf->SDL_CreateSemaphore=(void *)GetProcAddress(sdl_dll, "SDL_CreateSemaphore"))==NULL) {
 		FreeLibrary(sdl_dll);
 		return(-1);
@@ -357,6 +362,10 @@ int load_sdl_funcs(struct sdlfuncs *sdlf)
 		dlclose(sdl_dll);
 		return(-1);
 	}
+	if((sdlf->UpdateRect=dlsym(sdl_dll, "SDL_UpdateRect"))==NULL) {
+		dlclose(sdl_dll);
+		return(-1);
+	}
 	if((sdlf->SDL_CreateSemaphore=dlsym(sdl_dll, "SDL_CreateSemaphore"))==NULL) {
 		dlclose(sdl_dll);
 		return(-1);

src/conio/sdlfuncs.h

@@ -26,6 +26,7 @@ struct sdlfuncs {
 	int	(*BlitSurface)	(SDL_Surface *src, SDL_Rect *srcrect,
 								SDL_Surface *dst, SDL_Rect *dstrect);
 	void	(*UpdateRects)	(SDL_Surface *screen, int numrects, SDL_Rect *rects);
+	void	(*UpdateRect)	(SDL_Surface *screen, Sint32 x, Sint32 y, Sint32 w, Sint32 h);
 	SDL_sem *(*SDL_CreateSemaphore)	(Uint32 initial_value);
 	void (*SDL_DestroySemaphore)	(SDL_sem *semaphore);
 	SDL_mutex	*(*SDL_CreateMutex)	(void);