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List:       kde-bugs-dist
Subject:    [Bug 243191] The blur effect doesn't work with the R300C driver (No
From:       davidebasilio <marsicanbear () gmail ! com>
Date:       2010-09-06 22:27:16
Message-ID: 20100906222716.A0B24641D2 () immanuel ! kde ! org
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https://bugs.kde.org/show_bug.cgi?id=243191





--- Comment #9 from davidebasilio <marsicanbear gmail com>  2010-09-07 00:27:15 ---
Here is the output from kwin --replace when it fails to paint a thumbnail:

davide@bartoz ~ $ kwin --replace &
[1] 10187
davide@bartoz ~ $ kwin(10187) KWin::CompositingPrefs::detectDriverAndVersion:
GL vendor is "X.Org R300 Project" 
kwin(10187) KWin::CompositingPrefs::detectDriverAndVersion: GL renderer is
"Gallium 0.4 on RV410" 
kwin(10187) KWin::CompositingPrefs::detectDriverAndVersion: GL version is "2.1
Mesa 7.9-devel" 
kwin(10187) KWin::CompositingPrefs::detectDriverAndVersion: Detected driver
"unknown" , version "" 
r300 FP: Compiler Error:
Fragment program does not support relative addressing  of source operands.
Using a dummy shader instead.
r300 FP: Compiler Error:
Fragment program does not support relative addressing  of source operands.
Using a dummy shader instead.

And I attacedh my glxinfo -l output..
(In reply to comment #7)
> The thumbnail issue is probably a driver bug/limitation, possibly related to
> the loop in the GLSL shader that scales the image. But please attach your
> glxinfo -l output so we can check that the shader doesn't exceed any HW
> limitations. The debug output when you run kwin from the command line doesn't
> indicate that any shaders failed to compile?
> 
> The blur regression is likely related to the new GLSL compiler that was merged
> into the master branch in mesa recently.

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