[PATCH xserver] glamor: Fix sampling outside of RGBx source/mask pictures

Adam Jackson ajax at nwnk.net
Wed May 25 15:10:01 UTC 2016


On Wed, 2016-05-25 at 09:22 -0400, Alex Deucher wrote:
> On Tue, May 24, 2016 at 5:12 AM, Michel Dänzer <michel at daenzer.net> wrote:
> > From: Michel Dänzer <michel.daenzer at amd.com>
> > 
> > RENDER requires that sampling outside of any source/mask picture results
> > in alpha == 0.0.
> > 
> > The OpenGL border colour cannot set alpha = 0.0 if the texture format
> > doesn't have an alpha channel, so we have to use the RepeatFix handling
> > in that case.
> > 
> > Also, only force alpha = 1.0 when sampling inside of RGBx source/mask
> > pictures.
> > 
> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94514
> > Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
> 
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

remote: I: patch #88805 updated using rev 4711ebc174206b5a50e6ae8a7f974cd835e4ebd3.
remote: I: 1 patch(es) updated to state Accepted.
To ssh://git.freedesktop.org/git/xorg/xserver
   4d649d5..4711ebc  master -> master

- ajax


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