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[patch] New patch, with fix for double buffering

sdl-fbcon-clear-onexit.patch (text/plain), 999 bytes, created by Paul Cercueil on 2011-08-14 17:33:30 UTC

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Creator: Paul Cercueil

Created: 2011-08-14 17:33:30 UTC

Size: 999 bytes

patch

obsolete

>diff --git a/src/video/fbcon/SDL_fbvideo.c b/src/video/fbcon/SDL_fbvideo.c
>index 81a89da..ba7ec94 100644
>--- a/src/video/fbcon/SDL_fbvideo.c
>+++ b/src/video/fbcon/SDL_fbvideo.c
>@@ -1910,7 +1910,16 @@ static void FB_VideoQuit(_THIS)
> 
> 	if ( this->screen ) {
> 		/* Clear screen and tell SDL not to free the pixels */
>-		if ( this->screen->pixels && FB_InGraphicsMode(this) ) {
>+
>+		const char *dontClearPixels = SDL_getenv("SDL_FBCON_DONT_CLEAR");
>+
>+		/* If the framebuffer is not to be cleared, make sure that we won't
>+		 * display the previous frame when disabling double buffering. */
>+		if ( dontClearPixels && flip_page == 0 ) {
>+			SDL_memcpy(flip_address[0], flip_address[1], this->screen->pitch * this->screen->h);
>+		}
>+
>+		if ( !dontClearPixels && this->screen->pixels && FB_InGraphicsMode(this) ) {
> #if defined(__powerpc__) || defined(__ia64__)	/* SIGBUS when using SDL_memset() ?? */
> 			Uint8 *rowp = (Uint8 *)this->screen->pixels;
> 			int left = this->screen->pitch*this->screen->h;

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We are currently migrating Bugzilla to GitHub issues.Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.

We are currently migrating Bugzilla to GitHub issues.
Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.
When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.