Bug 60963

Summary: [r300g] Anno1701: some models are red
Product: Mesa Reporter: Pavel Ondračka <pavel.ondracka>
Component: Drivers/Gallium/r300Assignee: Default DRI bug account <dri-devel>
Status: RESOLVED MOVED QA Contact:
Severity: normal    
Priority: medium    
Version: git   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: i915 features:
Attachments: RADEON_DEBUG=fp,vp
RADEON_DEBUG=noopt,fp,vp output

Description Pavel Ondračka 2013-02-16 19:11:18 UTC 
Created attachment 74948 [details]
RADEON_DEBUG=fp,vp

In Anno1701, some models are red, however they are rendered with correct colors when RADEON_DEBUG=noopt is used (or with glsl disabled in Wine).

Apitrace here http://pavel.ondracka.cz/Anno1701.trace (renders fine with proprietary NVIDIA drivers).

Wine: 1.5.23
GPU: RV530
Mesa: f1ab67c13ab97f19c08d99c6ba101edc7d7b80e6
Kernel: 3.7.3-101.fc17.i686
Comment 1 Tom Stellard 2013-03-20 02:41:23 UTC 
Could you post a dump with RADEON_DEBUG=noopt,vp,fp
Comment 2 Pavel Ondračka 2013-03-20 18:54:06 UTC 
Created attachment 76840 [details]
RADEON_DEBUG=noopt,fp,vp output

(In reply to comment #1)
> Could you post a dump with RADEON_DEBUG=noopt,vp,fp

New log attached. However there is something bad going on. There are two bugs affecting this game. This one and bug 60965, however when I reported them, this bug used to disappeared with RADEON_DEBUG=noopt and bug 60965 didn't. Now when I use RADEON_DEBUG=noopt, the corruption from bug 60965 is much worse and is all over the place. The change did happened with 
f6c061261885fed0c83c437e9459ba79618f1b3a is the first bad commit
commit f6c061261885fed0c83c437e9459ba79618f1b3a
Author: Brian Paul <brianp@vmware.com>
Date:   Fri Mar 1 15:16:15 2013 -0700

    st/mesa: convert ir_triop_lrp to TGSI_OPCODE_LRP
    
    AFAICT, all gallium drivers implement TGSI_OPCODE_LRP.
    Tested with softpipe, llvmpipe, svga drivers.
    
    Reviewed-by: Matt Turner <mattst88@gmail.com>

without RADEON_DEBUG=noopt the corruption is still the same, so my guess is that r300 compiler somehow doesn't like TGSI_OPCODE_LRP, optimizes is away a little bit, but not completely.
Comment 3 GitLab Migration User 2019-09-18 18:51:46 UTC 
-- GitLab Migration Automatic Message --

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