[xorg-bugzilla-noise] [Bug 1293] Render accel always disabled in mga(4) [4.3 REGRESSION]

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https://freedesktop.org/bugzilla/show_bug.cgi?id=1293        
   




------- Additional Comments From anholt at FreeBSD.org  2004-09-14 22:05 -------
(In reply to comment #12)
> I went ahead and did (rather naively) what anholt said, and added PICT_x8r8g8g8
> to MGATextureFormats, and now the hooks are getting called:

The problem with that is that now you're allowing x8r8g8b8 sources as well,
without adding any code to deal with them.  (an x8 instead of a8 means you need
to wire things such that those bits act like 1s for the purposes of that
operation).  Easiest solution would be to split the formats into DstFormats,
TextureFormats, TextureAlphaFormats, so you'd support a8r8g8b8 and x8r8g8b8 dst,
a8r8g8b8 texfmt, and a8 texalphafmt.

If you're trying to use xcompmgr, I wouldn't expect much performance
improvement.  x11perf aa24text is what I've used in the past to measure render
performance, particularly with XAA.
        
   
   
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