trying to remove graphical anomalies, alternative deadlock fix branch

This commit is contained in:
Seth 2019-02-26 13:21:31 -06:00
parent 1b6a63edf7
commit 537412b959

View File

@ -875,23 +875,26 @@ static int present_sdl_video()
SDL_SetRenderDrawColor(sdl_renderer, 0, 0, 0, 0); // Use black
SDL_RenderClear(sdl_renderer); // Clear the display
LOCK_PALETTE;
SDL_LockMutex(sdl_update_video_mutex);
// Convert from the guest OS' pixel format, to the host OS' texture, if necessary.
if (host_surface != guest_surface &&
host_surface != NULL &&
guest_surface != NULL)
{
SDL_Rect destRect = sdl_update_video_rect;
LOCK_PALETTE;
SDL_LockMutex(sdl_update_video_mutex);
int result = SDL_BlitSurface(guest_surface, &sdl_update_video_rect, host_surface, &destRect);
if (result != 0) {
SDL_UnlockMutex(sdl_update_video_mutex);
UNLOCK_PALETTE;
if (result != 0) return -1;
return -1;
}
}
UNLOCK_PALETTE;
// We're about to work with sdl_update_video_rect, so stop other threads from
// modifying it!
SDL_LockMutex(sdl_update_video_mutex);
// SDL_LockMutex(sdl_update_video_mutex);
// Update the host OS' texture
void * srcPixels = (void *)((uint8_t *)host_surface->pixels +