[PD] Can't create Gem window
Ed Kelly
morph_2016 at yahoo.co.uk
Mon Oct 1 13:02:46 CEST 2012
After adding
export LIBGL_ALWAYS_INDIRECT=1
to $home/.bashrc
glxgears works fine, but not Gem. Still the same. ?!
glxinfo gives me a lot of output, and the table seems to indicate better-than the values you gave below, e.g.
Vis Vis Visual Trans buff lev render DB ste r g b a aux dep ste accum buffers MS MS
ID Depth Type parent size el type reo sz sz sz sz buf th ncl r g b a num bufs
----------------------------------------------------------------------------------------------------
0x23 0 TrueColor 0 32 0 rgba 1 0 8 8 8 8 0 24 8 16 16 16 16 0 0
I can't find GLX_DOUBLEBUFFER
Could it be that I need to add some lines to xorg.conf (wherever it is in Lucid Ubuntu)
>On 2012-10-01 11:08, Ed Kelly wrote:
>> ...when I try to create a Gem window. Looking at a previous post in
>> the archive, setting the environment variable GEM_SINGLE_CONTEXT to
>> 1 does not change this. I'm stuck! GL screensavers are working
>> correctly...
>>
>do glxgears work?
Hmmm...
glxgears gives me this:
Error: couldn't get an RGB, Double-buffered visual
I tried to find a way of adjusting this in the graphics card application, but no luck...
e
>>>>>if so, what is your pixel-depth?
Gem wants to create a 24bit buffer, so if you are running your X in
8bit/palette mode it will bail out.
this is what Gem requests:
{
GLX_RED_SIZE>=4,
GLX_GREEN_SIZE>=4,
GLX_BLUE_SIZE>=4,
GLX_DEPTH_SIZE>=16,
GLX_STENCIL_SIZE>=8,
GLX_ACCUM_RED_SIZE>=8,
GLX_ACCUM_GREEN_SIZE>=8,
GLX_ACCUM_BLUE_SIZE>=8,
GLX_DOUBLEBUFFER
}
check the output of glxinfo, whether your config supports such a setting.
fgmasdr
IOhannes
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