Hi John, It's good so see that Pbuffers does look to be supported, shame about the error though. I can't really help out with the Win32 errors though, I'll have to defer to Windows experts on this one.
Robert. On Thu, May 22, 2008 at 4:12 PM, Argentieri, John-P63223 <[EMAIL PROTECTED]> wrote: > Robert, > > I downloaded the OSG 2.4 binaries from the distribution. I can run > osgprerender --pbuffer cow.osg just fine. When I close the viewer, I see > this: > > PixelBufferWin32::closeImplementation, wglReleasePbufferDCARB error: > Error code > 3221684230 > PixelBufferWin32::closeImplementation, wglDestroyPbufferARB error: Error > code 32 > 21684230 > PixelBufferWin32::closeImplementation, wglReleasePbufferDCARB error: > Error code > 3221684230 > PixelBufferWin32::closeImplementation, wglDestroyPbufferARB error: Error > code 32 > 21684230 > > So, it is obviously making use of pbuffers. Weird.... > > John > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Argentieri, John-P63223 > Sent: Thursday, May 22, 2008 11:03 AM > To: [EMAIL PROTECTED] > Subject: Re: [osg-users] PIXEL_BUFFER & PIXEL_BUFFER_RTT > > Robert, > > We require the ability to modify the scene graph in slight ways before > each view is drawn, which I was unable to accomplish with > CompositeViewer -- I tried setting one of osg's PreDrawCallbacks ( with > SceneView we create our own ) and the stage at which this callback is > issued does not permit us to change the StateSets of objects. > > As for contexts, we are using > osg::GraphicsContext::createGraphicsContext( traits ) now. This gives us > a osg::GraphicsContext which I set in the SceneView's camera. I also > call makeCurrent and releaseContext on it manually in the render method > (our code). Those are the only things I am doing with the context, but I > don't really know if I missed anything. Is there an older version of OSG > which uses SceneView in osgprerender.cpp? > > I will try to run the osgprerender example from the OSG 2.4 binary > distribution and let you know whether it works or not. Any suggestions > you might have are greatly appreciated, as usual. I've tried probably > 100 different things. > > John > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Robert > Osfield > Sent: Thursday, May 22, 2008 10:34 AM > To: OpenSceneGraph Users > Subject: Re: [osg-users] PIXEL_BUFFER & PIXEL_BUFFER_RTT > > Hi John, > > Are you using osgViewer at all? > > Does you custom GraphicsContext implementation implement everything > required like the ones in osgViewer do? > > As for the crash in RenderStage, does this happen if you using osgViewer > based code? > > Is there a particular reason why you are using SceneView instead of > osgViewer? > > Robert. > > On Thu, May 22, 2008 at 3:26 PM, Argentieri, John-P63223 > <[EMAIL PROTECTED]> wrote: >> Robert, >> >> We are using SceneView, and creating our own >> osg::GraphicsContexts.When I set an osg::Camera's >> RenderTargetImplementation to either of the PIXEL_BUFFER modes, the >> SceneView causes a crash on draw() -- what looks like trying to >> dereference a null pointer. Do you have any clues as to what this > might be? >> >> Is there any way that I can force the osg::Camera to use a pbuffer >> context that I create, instead of trying to make on in RenderStage? >> >> I have no reason to believe that my platform does not support >> pbuffers. I've built OSG 2.4 in VC7 and I have a GeForce 6600 with the > >> latest stable drivers. >> >> You should come to I/ITSEC this year. >> >> Thanks, >> John Argentieri >> Software Engineer >> GENERAL DYNAMICS >> C4 Systems >> (407) 281-5568 >> [EMAIL PROTECTED] >> >> "This email message is for the sole use of the intended recipient(s) >> and may contain GDC4S confidential or privileged information. Any >> unauthorized review, use, disclosure or distribution is prohibited. If > >> you are not an intended recipient, please contact the sender by reply >> email and destroy all copies of the original message." >> >> _______________________________________________ >> osg-users mailing list >> osg-users@lists.openscenegraph.org >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph. >> org >> >> > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.or > g > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.or > g > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
