Don't crash if SDL_Flip() is called with an OpenGL mode set

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401495
This commit is contained in:
Sam Lantinga 2006-03-09 16:12:34 +00:00
parent d12cf83d8f
commit ce798a8948

View file

@ -1008,6 +1008,10 @@ void SDL_UpdateRects (SDL_Surface *screen, int numrects, SDL_Rect *rects)
SDL_VideoDevice *video = current_video;
SDL_VideoDevice *this = current_video;
if ( (screen->flags & (SDL_OPENGL | SDL_OPENGLBLIT)) == SDL_OPENGL ) {
SDL_SetError("OpenGL active, use SDL_GL_SwapBuffers()");
return;
}
if ( screen == SDL_ShadowSurface ) {
/* Blit the shadow surface using saved mapping */
SDL_Palette *pal = screen->format->palette;