[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=58665

GitLab Migration User  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |MOVED

--- Comment #11 from GitLab Migration User  ---
-- 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/208.

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[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=58665

Timothy Arceri  changed:

   What|Removed |Added

  Component|Other   |Drivers/Gallium/softpipe

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[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=58665

--- Comment #3 from Michel Dänzer mic...@daenzer.net ---
(In reply to comment #2)
 src/gallium/state_trackers/glx/xlib/xm_api.c

Is this bug report about that, not about src/mesa/drivers/dri/swrast or
src/mesa/drivers/x11 ?

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[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

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https://bugs.freedesktop.org/show_bug.cgi?id=58665

--- Comment #4 from Stefan de Konink ste...@konink.de ---
How can I verify this?

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[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=58665

--- Comment #5 from Brian Paul bri...@vmware.com ---
What is the output of running glxinfo when you see the wrong colors?

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[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

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https://bugs.freedesktop.org/show_bug.cgi?id=58665

--- Comment #6 from Stefan de Konink ste...@konink.de ---
Created attachment 72639
  -- https://bugs.freedesktop.org/attachment.cgi?id=72639action=edit
glxinfo wrong colours

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[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=58665

--- Comment #7 from Stefan de Konink ste...@konink.de ---
Created attachment 72640
  -- https://bugs.freedesktop.org/attachment.cgi?id=72640action=edit
glxinfo right colours

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[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

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https://bugs.freedesktop.org/show_bug.cgi?id=58665

--- Comment #8 from Brian Paul bri...@vmware.com ---
Yeah, for softpipe, src/gallium/state_trackers/glx/xlib/xm_api.c is the file to
look at.

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[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=58665

--- Comment #9 from Michel Dänzer mic...@daenzer.net ---
(In reply to comment #2)
 If you look at src/gallium/state_trackers/glx/xlib/xm_api.c in the
 choose_pixel_format() function you'll see code that chooses a PIPE_FORMAT_x
 format by checking the visual's red/green/blue masks and the host/server byte
 orders.  Maybe you can dig into that and see what's going on.

I think we first need to decide what the byte order of PIPE_FORMAT_x is
(supposed to be)... It was previously suggested it should be little endian, but
I think there's still quite a bit of code treating it as having CPU native byte
order.

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[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

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https://bugs.freedesktop.org/show_bug.cgi?id=58665

--- Comment #10 from Brian Paul bri...@vmware.com ---
I tested softpipe on the PS3 (big-endian) a few years ago and remember fixing
an endian issue then (and things looked good thereafter).  Perhaps something's
been broken since.

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[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=58665

--- Comment #2 from Brian Paul bri...@vmware.com ---
I don't have a big-endian machine available to test.  Maybe you could debug
this a bit further.  If you look at
src/gallium/state_trackers/glx/xlib/xm_api.c in the choose_pixel_format()
function you'll see code that chooses a PIPE_FORMAT_x format by checking the
visual's red/green/blue masks and the host/server byte orders.  Maybe you can
dig into that and see what's going on.

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[Mesa-dev] [Bug 58665] Software rasterizer RGB swap

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=58665

Stefan de Konink ste...@konink.de changed:

   What|Removed |Added

  Attachment #72004|0   |1
is obsolete||

--- Comment #1 from Stefan de Konink ste...@konink.de ---
Created attachment 72005
  -- https://bugs.freedesktop.org/attachment.cgi?id=72005action=edit
Comparison between software rasterizer and nouveau_vieux

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