[Intel-gfx] piglit regression on sandybridge
zhenyuw at linux.intel.com
Mon Nov 29 09:52:32 CET 2010
Looks the culprit for recent piglit regression on sandybridge
that caused hang is bisected to
Author: Eric Anholt <eric at anholt.net>
Date: Mon Oct 11 16:02:08 2010 -0700
i965: re-enable gen6 IF statements in the fragment shader.
IF statements were getting flattened while they were broken. With
Zhenyu's last fix for ENDIF's type, everything appears to have lined
up to actually work.
This regresses two tests:
glsl1-! (not) operator (1, fail)
glsl1-! (not) operator (1, pass)
but fixes tests that couldn't work before because the IFs couldn't
(and, naturally, this should be a performance improvement for apps
that actually use IF statements to avoid executing a bunch of code).
What may go wrong with this? QA is stalled on this to continue on
Open Source Technology Center, Intel ltd.
$gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
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