[Intel-gfx] [ANNOUNCE] xf86-video-intel 2.11.901
linuxhippy at gmail.com
Tue Jun 15 15:05:34 PDT 2010
> $ git checkout 2.11.901
> $ git revert f74b3f82
Ah thanks, didn't know the checkout thing.
Hmm, if I revert that commit it no longer builds:
i915_render.c: In function ‘i915_prepare_composite’:
i915_render.c:836: error: ‘intel_screen_private’ has no member named
> Give-or-take that it is dubious that we can do a simple coverage based
> accumulation of subpixels trapezoids within the specification of
> PolyModeImprecise, benchmarking shows a small performance win for most
> cairo traces [the improvements matching the elimination of
> pixman_image_rasterize_trapezoid() and co], but in a few cases it can be
> twice as slow.
Whatever the result will look like, I am really curious - as some
workloads show a lot of time spent in rasterize_edge().
> So I think it is back to a span renderer -- even if I just
> trade GPU time for CPU time, that should be a win for application
just reminds me at the commit "OMG! spans!" ;)
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