[Bug 14154] New: RGBA32 mode does not work in Xv on Radeon (PPC)

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=14154

           Summary: RGBA32 mode does not work in Xv on Radeon (PPC)
           Product: xorg
           Version: 7.2
          Platform: PowerPC
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: marcus at mc.pp.se
         QAContact: xorg-team at lists.x.org


Created an attachment (id=13817)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13817)
Program reproducing the problem with RGBA mode.

The packed RGBA Xv mode (id 0x41424752) gives weird results when used
on a PPC machine with a Radeon 9200 graphics card (Mac Mini).  The green
component is decoded as expected, but the red and blue are read twice from
each word, giving half the X resolution.

I've attached a program reproducing the problem.  It divides the window
into a 3x3 grid, painting the squares along the diagonal in solid red,
green, and blue, respectively.  Which is to say, the expected result is this:

R__  (R = red, G = green, B = blue, _ = black)
_G_
__B

Instead, what you get is this

RR_
_G_
____BB

(The blue square ends up outside the window, so it isn't seen.)


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