[Bug 60963] [r300g] Anno1701: some models are red

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=60963

--- Comment #2 from Pavel Ondračka <pavel.ondracka at email.cz> ---
Created attachment 76840
  --> https://bugs.freedesktop.org/attachment.cgi?id=76840&action=edit
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 at 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 at 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.

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