[Bug 8938] [ATI/radeon] Xv tearing

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https://bugs.freedesktop.org/show_bug.cgi?id=8938          
     




------- Additional Comments From sroland at tungstengraphics.com  2006-11-30 16:06 -------
(In reply to comment #23)
> Spot the error: ;)
> 
> -    left >>= 1; src_w >>= 1;
> +    src_w >>= 1; left >> 1;
Ah very good find. Unfortunately left is typically always 0 anyway so it doesn't
change much. If you move the video window beyond left screen edge it will get
bogus, if you move beyond the upper edge X will finally segfault. Moreover, if
the source is only 16-pixel aligned but not 32-pixel, only garbage will be shown.          
     
     
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