Description of problem: As there is not yet 3D graphic mesa driver for my graphic card HD5770 I try to use llvmpipe. When I run glxgears, background is not black as it should be but transparent. Version-Release number of selected component (if applicable): mesa llvmpipe build from today 05/07/2010 git clone How reproducible: Every time Steps to Reproduce: 1. Install llvmpipe 2. Run glxgears Actual results: Transparent background for glxgears Expected results: Black background for glxgears Additional info: I am going tp send screenshot and glxinfo output as attachements.
Created attachment 412182 [details] glxinfo
Created attachment 412183 [details] screenshot
From mesa-dev mailing list http://lists.freedesktop.org/archives/mesa-dev/2010-May/000587.html : It's picking up a depth 32 visual. You can work around it by setting the environment variable XLIB_SKIP_ARGB_VISUALS=1 for glxgears. -- Earthling Michel Dänzer | http://www.vmware.com Libre software enthusiast | Debian, X and DRI developer
ajax, I will patch glxgears if needed, but is this really a bug? :3 ~ C.
You dont have to modify glxgears because this is not the root cause of the problem as youcan see with the 3 test I did with glxgears and with mplayer : Test #1 with Software Rasterizer ================================ OpenGL vendor string: Mesa Project OpenGL renderer string: Software Rasterizer OpenGL version string: 2.1 Mesa 7.8.1 OpenGL shading language version string: 1.20 glxgears ==> OK mplayer ==> OK Test #2 with Gallium 0.4 on llvmpipe and XLIB_SKIP_ARGB_VISUALS not set ======================================================================= OpenGL vendor string: VMware, Inc. OpenGL renderer string: Gallium 0.4 on llvmpipe OpenGL version string: 2.1 Mesa 7.9-devel OpenGL shading language version string: 1.20 glxgears ==> transparent background mplayer ==> transparent effects with desktop in background Test #3 with Gallium 0.4 on llvmpipe and XLIB_SKIP_ARGB_VISUALS set to 1 ======================================================================== glxgears ==> OK mplayer ==> OK
As I had composite extension specified in /etc/X11/xorg.conf and reading http://www.x.org/archive/X11R6.8.0/doc/RELNOTES5.html , I removed this extension and now glxgears and mplyer work fine without to have to specify XLIB_SKIP_ARGB_VISUALS
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