Bug 85352 - [NVC0/Gallium] Scaling/centering issue in shadertoy shader
Summary: [NVC0/Gallium] Scaling/centering issue in shadertoy shader
Status: RESOLVED FIXED
Alias: None
Product: Mesa
Classification: Unclassified
Component: Drivers/DRI/nouveau (show other bugs)
Version: git
Hardware: Other All
: medium normal
Assignee: Nouveau Project
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Reported: 2014-10-23 04:56 UTC by Ilia Mirkin
Modified: 2015-07-04 22:21 UTC (History)
0 users

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Description Ilia Mirkin 2014-10-23 04:56:48 UTC 
https://www.shadertoy.com/view/4sf3Dj

The GameCube logo should be centered. Instead of a NVC1 + 10.3 (and also -git) it appears to be centered around the upper left corner and scaled/stretched. Confirmed to work OK on i965 and radeonsi, so most likely a nouveau issue.
Comment 1 Tobias Klausmann 2014-10-23 13:27:32 UTC 
I can reproduce that here. Lets see what causes this... Oh its actually you, nevertheless posting this comment now :)
Comment 2 Ilia Mirkin 2015-07-04 22:21:10 UTC 
This appears to be fixed by

commit ad62ec8316a926682958e7ab52639992867c3755
Author: Ilia Mirkin <imirkin@alum.mit.edu>
Date:   Fri Jun 26 15:01:22 2015 -0400

    nv50/ir: propagate modifier to right arg when const-folding mad

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