Bug 64771

Summary:	[gm45, bisected] Legend of Grimrock: shadows are flickering
Product:	Mesa	Reporter:	Pavel Ondračka <pavel.ondracka>
Component:	Drivers/DRI/i965	Assignee:	Ian Romanick <idr>
Status:	RESOLVED FIXED	QA Contact:
Severity:	normal
Priority:	medium	CC:	eric
Version:	git	Keywords:	regression
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:

Description Pavel Ondračka 2013-05-19 20:37:51 UTC

Shadows are flickering in Legend of Grimrock. Its quite noticeable in the game, however not very visible in screenshots. I was quite sure it worked some time ago so i did a bisect and this showed up:

456dbcc3377ee23dbeffa4da02a4d80a8519bb62 is the first bad commit
commit 456dbcc3377ee23dbeffa4da02a4d80a8519bb62
Author: Eric Anholt <eric@anholt.net>
Date:   Mon Dec 3 19:59:55 2012 -0800

    i965/fs: Before reg alloc, schedule instructions to reduce live ranges.

The game doesn't have a demo, however i can make an apitrace or provide any other information if needed.

GPU: gm45
Mesa: f6beb4c6b647b0d5077c7abd6c99cdaba6e0c112
Kernel: 3.9.2-200.fc18.x86_64

Comment 1 Pavel Ondračka 2013-08-02 15:07:10 UTC

Fixed in latest git.

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