Bug 100071

Summary:	[Regression] Tomb Raider: TressFX broken with recent LLVM
Product:	Mesa	Reporter:	Gregor Münch <gr.muench>
Component:	Drivers/Gallium/radeonsi	Assignee:	Default DRI bug account <dri-devel>
Status:	RESOLVED FIXED	QA Contact:	Default DRI bug account <dri-devel>
Severity:	normal
Priority:	medium
Version:	git
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:
Attachments:	Lara's broken hair...

Description Gregor Münch 2017-03-05 21:19:40 UTC

Created attachment 130080 [details]
Lara's broken hair...

This weeks LLVM update somehow broke the rendering of TressFX in Tomb Raider.
Radeon HD 7970, Mesa Git

I use precompiled packages from arch repo.

For me last working: lib32-llvm-libs-svn-5.0.0svn_r296294
First time error appeared in: lib32-llvm-libs-svn-5.0.0svn_r296961

No other packages in between, sorry.

Comment 1 Michel Dänzer 2017-03-06 01:55:17 UTC

Can you either bisect LLVM, or create an apitrace which reproduces the problem?

Comment 2 Marek Olšák 2017-03-07 22:19:10 UTC

Not sure but this might help: https://reviews.llvm.org/D30717

Comment 3 Gregor Münch 2017-03-19 15:54:23 UTC

Fixed with current git / llvm.
Avg FPS seems to made a little jump too from 58 to 60fps.

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