[Bug 57888] New: Amnesia shader compiler errors on RV350

[Bug 57888] New: Amnesia shader compiler errors on RV350

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=57888

          Priority: medium
            Bug ID: 57888
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Amnesia shader compiler errors on RV350
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: oreaus@gmail.com
          Hardware: x86 (IA32)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r300
           Product: Mesa

Created attachment 71005
  --> https://bugs.freedesktop.org/attachment.cgi?id=71005&action=edit
side-by-side comparison

Running the game Amnesia with minimal graphics settings and resolution causes
the following error:

r300 FP: Compiler Error:
Too many hardware temporaries used.
Using a dummy shader instead.

With all graphics settings highest, this message is output additionally:

r300 FP: Compiler Error:
compiler/r300_fragprog_emit.c::emit_alu(): Too many ALU instructions


Here is some additional information:

Distro: Xubuntu 12.04 32bit
Kernel: 3.5.0-18-generic
Mesa: ec83535c83c748b067ecf4548e5396fef8719725
libtxc_dxtn.so installed


The game runs but most of the textures are black, except light sources such as
the torches and windows. On Intel Sandybridge, the textures render correctly.
I've attached an image to demonstrate the difference. The left is i965, the
right is r300g. On intel, there are no errors output.

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[Bug 57888] Amnesia shader compiler errors on RV350

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=57888

Scott Moreau <oreaus@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #71005|0                           |1
        is obsolete|                            |

--- Comment #1 from Scott Moreau <oreaus@gmail.com> ---
Created attachment 71006
  --> https://bugs.freedesktop.org/attachment.cgi?id=71006&action=edit
side-by-side comparison

Correctly set type for image attachment.

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[Bug 57888] Amnesia shader compiler errors on RV350

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https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
If the game uses compressed textures, you may need to install libtxc_dxtn.

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[Bug 57888] Amnesia shader compiler errors on RV350

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https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #3 from Tom Stellard <tstellar@gmail.com> ---
Could you run the program with the environment variable RADEON_DEBUG=fp and
then post the output.

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[Bug 57888] Amnesia shader compiler errors on RV350

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 498 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #4 from Scott Moreau <oreaus@gmail.com> ---
Created attachment 71007
  --> https://bugs.freedesktop.org/attachment.cgi?id=71007&action=edit
amnesia output with RADEON_DEBUG=fp

(In reply to comment #3)
> Could you run the program with the environment variable RADEON_DEBUG=fp and
> then post the output.

Yes, I have attached a file with the output. Thanks.

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[Bug 57888] Amnesia shader compiler errors on RV350

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https://bugs.freedesktop.org/show_bug.cgi?id=57888

Andreas Boll <andreas.boll.dev@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #71005|text/plain                  |image/png
          mime type|                            |

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[Bug 57888] Amnesia shader compiler errors on RV350

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #5 from Tom Stellard <tstellar@gmail.com> ---
Created attachment 71019
  --> https://bugs.freedesktop.org/attachment.cgi?id=71019&action=edit
Possible fix

Does this patch help?

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[Bug 57888] Amnesia shader compiler errors on RV350

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 495 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #6 from Scott Moreau <oreaus@gmail.com> ---
(In reply to comment #5)
> Created attachment 71019 [details] [review]
> Possible fix
> 
> Does this patch help?

Yes this fixes the problem. The shaders work without error and the content is
rendered which makes the game playable. Thanks for the quick help. I will leave
this open until upstream gets the fix.

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[Bug 57888] Amnesia shader compiler errors on RV350

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #7 from Tomasz P. <son_of_the_osiris@interia.pl> ---
I also waiting to merge this patch to master. :)

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[Bug 57888] Amnesia shader compiler errors on RV350

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #8 from Scott Moreau <oreaus@gmail.com> ---
(In reply to comment #6)
> (In reply to comment #5)
> > Created attachment 71019 [details] [review] [review]
> > Possible fix
> > 
> > Does this patch help?
> 
> Yes this fixes the problem. The shaders work without error and the content
> is rendered which makes the game playable. Thanks for the quick help. I will
> leave this open until upstream gets the fix.

This bug report is actually two separate problems. The first problem 'Too many
hardware temporaries used' is fixed with Tom's patch here. This was the main
problem, since it rendered the game unplayable. The 'too many ALU instructions'
message is output when Shadow Quality is set to 'High' in the game settings.
Since this is a different issue, I have filed a separate bug report for it here
https://bugs.freedesktop.org/show_bug.cgi?id=57918

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[Bug 57888] Amnesia shader compiler errors on RV350

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[-- Attachment #1.1: Type: text/plain, Size: 350 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #9 from Tomasz P. <son_of_the_osiris@interia.pl> ---
I also noticed that there is some graphical problems...but game require Radeon
X1000/GeForce 6, so rv350 is'nt supported...

http://www.amnesiagame.com/#buy

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[Bug 57888] Amnesia shader compiler errors on RV350

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[-- Attachment #1.1: Type: text/plain, Size: 310 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #10 from Tomasz P. <son_of_the_osiris@interia.pl> ---
Created attachment 71054
  --> https://bugs.freedesktop.org/attachment.cgi?id=71054&action=edit
fishbowl screenshot

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[Bug 57888] Amnesia shader compiler errors on RV350

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 668 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #11 from Tomasz P. <son_of_the_osiris@interia.pl> ---
(In reply to comment #5)
> Created attachment 71019 [details] [review]
> Possible fix
> 
> Does this patch help?

The patch fixes compiler warning that there is too many ALU instructions and
textures are visible. Unfortunatelly it corrupt lights in this game.Also
similar corruption you can see on screenshot "fishblow" from webgl test
http://ie.microsoft.com/testdrive/Performance/FishBowl/

And in supertuxkart shining parts of some vehicles have also similar
corruption.

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[Bug 57888] Amnesia shader compiler errors on RV350

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[-- Attachment #1.1: Type: text/plain, Size: 366 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #12 from Tomasz P. <son_of_the_osiris@interia.pl> ---
Ok I have got better screenshots from "Amnesia". Mesa-git.png shows that there
are textures missing but light is ok.

with-patch.png shows textures but light is corrupted.

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[Bug 57888] Amnesia shader compiler errors on RV350

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 303 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #13 from Tomasz P. <son_of_the_osiris@interia.pl> ---
Created attachment 71059
  --> https://bugs.freedesktop.org/attachment.cgi?id=71059&action=edit
before patch

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[Bug 57888] Amnesia shader compiler errors on RV350

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 301 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=57888

--- Comment #14 from Tomasz P. <son_of_the_osiris@interia.pl> ---
Created attachment 71060
  --> https://bugs.freedesktop.org/attachment.cgi?id=71060&action=edit
with-patch

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[Bug 57888] Amnesia shader compiler errors on RV350

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[-- Attachment #1.1: Type: text/plain, Size: 841 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=57888

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #15 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/345.

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