You can test with Xvfb, we use it to make test on servers that have not gfx
cards only an X install
eg
Xvfb :9 -ac -nolisten TCP -screen 0 1024x768x24 &
and use :9 to run your X application (and it works with glx)
maybe it can help
Robert Osfield wrote:
Hi Andrew,
Producer relies upon X11 so you won't be able to use it.
I don't know if what you are after is possible, but the first place to
look would be getting a bare OpenGL application working, you'll need
to open a graphics somehow though, without GLX you'll need something
else, I'm not familiar with mesa, but perhaps it has support.
Once you have a basic OpenGL app working next step would be to create
an OSG app, based around SceneView. See the osgsimple example for
inspiration.
Robert.
On 7/20/06, Andrew Straw <[EMAIL PROTECTED]> wrote:
Hi,
I wonder if there's a recipe for rendering completely in software,
completely offscreen. What I'd like to do is run some OSG simulations on
linux servers with no video cards, or even X11, installed. On my Ubuntu
Dapper system, the libgl1-mesa-swrast package apparently provides
pure-software OpenGL, but I so far haven't found any success trying to
use this method.
I've tried this using pbuffers from Producer, using the following line:
camera1->getRenderSurface()->setDrawableType(
Producer::RenderSurface::DrawableType_PBuffer );
Unfortunately, I get:
RenderSurface::realize() - unable to open display ":0.0"
When I try this approach it seems that the code in RenderSurface_X11.cpp
calls XOpenDisplay( dpyname ) which returns a null pointer. (This is in
OSG 1.0.)
So, the question is - is there a recipe for offscreen, software-only
rendering? If not, any pointers to get me starting in the right
direction?
Cheers!
Andrew
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Cedric Pinson Tel: 33 6 63 20 03 56
www.freesheep.org
www.mekensleep.org
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