[PATCH] glamor: Fix accelerated rendering of GTK's ARGB vs xBGR composites.

[Keith Packard]

Eric Anholt <eric at anholt.net> writes:

> There is some complicated code to support tweaking the format as we
> upload from a SHM pixmap (aka the GTK icon cache), but if we weren't
> sourcing from a SHM pixmap we just forgot to check that the formats
> matched at all.
>
> We could potentially be a little more discerning here (xRGB source and
> ARGB mask would be fine, for example), but this will all change with
> texture views anyway, so just get the rendering working for 1.16
> release.
>
> Fixes the new rendercheck gtk_argb_xbgr test.
>
> v2: Squash in keithp's fix for checking that we have a non-NULL
>     pixmap, and reword the comment even more.

Reviewed-by: Keith Packard <keithp at keithp.com>

(please send along a Signed-off-by: line and I'll merge this in)
-- 
keith.packard at intel.com
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