[Bug 38873] New: [855gm] gnome-shell misrendered

[Bug 38873] New: [855gm] gnome-shell misrendered

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=38873

           Summary: [855gm] gnome-shell misrendered
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/DRI/i830
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: chris@chris-wilson.co.uk


Created an attachment (id=48644)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=48644)
screenshot

A couple of immediately apparent issues:

1. The top-panel bar is absent.

2. Window shadows are white rather than black (or at least I presume they're
meant to be shadows and not a glow!)

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[Bug 38873] [855gm] gnome-shell misrendered

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=38873

--- Comment #1 from Eugeni Dodonov <eugeni@dodonov.net> 2011-09-08 15:55:50 PDT ---
This issue is affecting a hardware component which is not being actively worked
on anymore.

Moving the assignee to the dri-devel list as contact, to give this issue a
better coverage.

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[Bug 38873] [855gm] gnome-shell misrendered

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=38873

--- Comment #2 from Eric Anholt <eric@anholt.net> 2012-03-02 17:32:51 PST ---
The first issue is fixed:

commit 7d13a6e64bf88566875a8f68e0aac9b937e30feb
Author: Alban Browaeys <prahal@yahoo.com>
Date:   Thu Feb 2 19:20:22 2012 +0100

    dri/i915: Fix off-by-one in i830 clip region size.

    The hardware, like i915, uses an inclusive bounds on min and max for
    the drawing rectangle, but we were providing a number for exclusive.
    The number of bits used by the hardware only covers this value going
    up to the maximum size, so when we programmed 2048 as the maximum
    inclusive X, it saw a maximum X of 0 and clipped all rendering.  This
    caused rendering failures in gnome-shell.

    Fixes piglit fbo-maxsize.

    v2: dropped changes to the blitter, which does use an exclusive x2, y2.
        [change by anholt]

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=45558
    Reviewed-by: Eric Anholt <eric@anholt.net>
    NOTE: This is a candidate for release branches.

don't know about the second.

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[Bug 38873] [855gm] gnome-shell misrendered

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=38873

Ville Syrjala <ville.syrjala@linux.intel.com> changed:

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

--- Comment #3 from Ville Syrjala <ville.syrjala@linux.intel.com> ---
Presuming the shadows are fixed by:

commit 40a08e0d6a57cc79ee72a62aeedec20cae774ed5
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date:   Thu Aug 7 11:14:35 2014 +0300

    i915: Use L8A8 instead of I8 to simulate A8 on gen2

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