[Bug 27139] html5 ogg video playback in firefox unusable

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=27139





--- Comment #4 from Alex Deucher <agd5f at yahoo.com>  2010-03-17 20:41:01 PST ---
I think you are hitting this fallback:

    /* for REPEAT_NONE, Render semantics are that sampling outside the source   
     * picture results in alpha=0 pixels. We can implement this with a border
color                              
     * *if* our source texture has an alpha channel, otherwise we need to fall  
     * back. If we're not transformed then we hope that upper layers have
clipped                                
     * rendering to the bounds of the source drawable, in which case it doesn't 
     * matter. I have not, however, verified that the X server always does such 
     * clipping.                                                                
     */
    /* FIXME R6xx */
    if (pPict->transform != 0 && repeatType == RepeatNone &&
PICT_FORMAT_A(pPict->format) == 0) {
        if (!(((op == PictOpSrc) || (op == PictOpClear)) &&
(PICT_FORMAT_A(pDstPict->format) == 0)))
            RADEON_FALLBACK(("REPEAT_NONE unsupported for transformed xRGB
source\n"));
    }

commenting out that code should improve performance at the expense of render
compliance.


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