some 3D weirdness - Intel 915

Andrea Mastellone andrea.mastellone at fastwebnet.it
Sat Jun 28 09:52:16 UTC 2008


Hi to all,

I have some troubles about 3d rendering. My hardware:

00:02.0 VGA compatible controller: Intel Corporation Mobile 
915GM/GMS/910GML Express Graphics Controller (rev 04)

Software:

2.6.25.6-55.fc9.i686 (last kernel on F9).

Packages:

xorg-x11-server-common-1.4.99.902-3.20080612.fc9.i386
mesa-libGLU-7.1-0.35.fc9.i386 (updates-testing)
mesa-libGL-7.1-0.35.fc9.i386 (updates-testing)


------------------------------------------------------

xorg.conf:

# Xorg configuration created by pyxf86config

Section "ServerLayout"
         Identifier     "Default Layout"
         Screen      0  "Screen0" 0 0
         InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "InputDevice"
# keyboard added by rhpxl
         Identifier  "Keyboard0"
         Driver      "kbd"
         Option      "XkbModel" "pc105"
         Option      "XkbLayout" "it"
EndSection

Section "Device"
         Identifier  "Videocard0"
         Driver      "intel"
#       Option "AccelMethod" "exa"
#       Option "MigrationHeuristic" "greedy"
#       Option "ExaNoComposite" "false"
EndSection

Section "Screen"
         Identifier "Screen0"
         Device     "Videocard0"
         DefaultDepth     24
         SubSection "Display"
                 Viewport   0 0
                 Depth     24
         EndSubSection
EndSection

----------------------------------------------------------

With this configuration, Compiz is fine. Also some programs, as 
stellarium, are ok. But different 3D software does not render properly, 
in particular

google earth, neither 4.2 or 4.3 version (4.2 was fine in F8, even if 
there were some glitches)

celestia, displays images only when "static": if I move viewpoints by 
dragging mouse, there is nothing displayed.

I have googled, but I did not find something helpful. Even if I activate 
the options in xorg.conf

#       Option "AccelMethod" "exa"
#       Option "MigrationHeuristic" "greedy"
#       Option "ExaNoComposite" "false"

there is no improvement.

Some hints ? Thanks,

Andrea




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