[Mesa-dev] [Bug 64091] piglit glean/readPixSanity testcase fails on ppc64 with Radeon adapter

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=64091

Timothy Arceri  changed:

   What|Removed |Added

  Component|Mesa core   |Drivers/Gallium/r600
   Assignee|mesa-dev@lists.freedesktop. |dri-devel@lists.freedesktop
   |org |.org

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[Mesa-dev] [Bug 64091] piglit glean/readPixSanity testcase fails on ppc64 with Radeon adapter

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=64091

Michel Dänzer mic...@daenzer.net changed:

   What|Removed |Added

   Assignee|mesa-dev@lists.freedesktop. |dri-devel@lists.freedesktop
   |org |.org
  Component|Mesa core   |Drivers/Gallium/r600

--- Comment #8 from Michel Dänzer mic...@daenzer.net ---
It's unlikely that both drivers are affected by one and the same problem. Let's
start looking at this from the r600g driver first and work our way up the stack
as necessary. :)

The r600g driver has been working around the issues pointed out by Alex using
GPU byte-swapping facilities, but that obviously isn't working for
depth/stencil readback.

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[Mesa-dev] [Bug 64091] piglit glean/readPixSanity testcase fails on ppc64 with Radeon adapter

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=64091

Jerome Glisse gli...@freedesktop.org changed:

   What|Removed |Added

   Assignee|dri-devel@lists.freedesktop |mesa-dev@lists.freedesktop.
   |.org|org
  Component|Drivers/Gallium/r600|Mesa core

--- Comment #9 from Jerome Glisse gli...@freedesktop.org ---
You can look for R600_BIG_ENDIAN in r600 driver code for place where we program
the hw depending on endianess.

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[Mesa-dev] [Bug 64091] piglit glean/readPixSanity testcase fails on ppc64 with Radeon adapter

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=64091

--- Comment #1 from Kleber Sacilotto de Souza kleb...@linux.vnet.ibm.com ---
Created attachment 78661
  -- https://bugs.freedesktop.org/attachment.cgi?id=78661action=edit
glxinfo using the radeon driver

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[Mesa-dev] [Bug 64091] piglit glean/readPixSanity testcase fails on ppc64 with Radeon adapter

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=64091

--- Comment #2 from Kleber Sacilotto de Souza kleb...@linux.vnet.ibm.com ---
Created attachment 78662
  -- https://bugs.freedesktop.org/attachment.cgi?id=78662action=edit
readPixSanity output using the radeon driver

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[Mesa-dev] [Bug 64091] piglit glean/readPixSanity testcase fails on ppc64 with Radeon adapter

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=64091

--- Comment #3 from Kleber Sacilotto de Souza kleb...@linux.vnet.ibm.com ---
Created attachment 78663
  -- https://bugs.freedesktop.org/attachment.cgi?id=78663action=edit
glxinfo using software rasterizer

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[Mesa-dev] [Bug 64091] piglit glean/readPixSanity testcase fails on ppc64 with Radeon adapter

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=64091

--- Comment #4 from Kleber Sacilotto de Souza kleb...@linux.vnet.ibm.com ---
Created attachment 78664
  -- https://bugs.freedesktop.org/attachment.cgi?id=78664action=edit
readPixSanity output using software rasterizer

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[Mesa-dev] [Bug 64091] piglit glean/readPixSanity testcase fails on ppc64 with Radeon adapter

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=64091

Brian King brk...@linux.vnet.ibm.com changed:

   What|Removed |Added

 CC||brk...@linux.vnet.ibm.com

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[Mesa-dev] [Bug 64091] piglit glean/readPixSanity testcase fails on ppc64 with Radeon adapter

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=64091

--- Comment #5 from Jerome Glisse gli...@freedesktop.org ---
For radeon my guess is that depth/stencil readback needs some fiddling with
texture format :

mesa/src/gallium/drivers/r600/r600_blit.c

r600_blit_decompress_depth()

surf_tmpl.format = flushed_depth_texture-resource.b.b.format;

i would look at what format you got there and what try to play with some other
format.

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[Mesa-dev] [Bug 64091] piglit glean/readPixSanity testcase fails on ppc64 with Radeon adapter

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=64091

--- Comment #6 from Alex Deucher ag...@yahoo.com ---
Gallium is big endian safe at the moment.  See these discussion threads for
what needs to be done:
http://lists.freedesktop.org/archives/mesa-dev/2013-January/033590.html
http://lists.freedesktop.org/archives/mesa-dev/2013-February/034047.html

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[Mesa-dev] [Bug 64091] piglit glean/readPixSanity testcase fails on ppc64 with Radeon adapter

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=64091

--- Comment #7 from Alex Deucher ag...@yahoo.com ---
(In reply to comment #6)
 Gallium is big endian safe at the moment.  See these discussion threads for
 what needs to be done:
 http://lists.freedesktop.org/archives/mesa-dev/2013-January/033590.html
 http://lists.freedesktop.org/archives/mesa-dev/2013-February/034047.html

*Gallium is NOT big endian safe at the moment.

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