On Thu, Nov 10, 2011 at 08:27:52AM +0200, Yonit Halperin wrote: > On 11/09/2011 07:06 PM, Alon Levy wrote: > >On Wed, Nov 09, 2011 at 04:57:23PM +0000, Mosebach Kai wrote: > >>Both would be very helpful :-) And important from a market/competitive > >>point of view. > >> > >>Please let me have a look at the patches if possible, > >> > Afaik, there is an experimental code for OpenGL hardware > acceleration on the server side and on the client side as well. Look > for #ifdefs USE_OPENGL. I think that there were problems with the hw > acceleration on the server side since the rendering results were > different than the ones expected for the windows guest. >
This is just acceleration of 2d rendering using OpenGL, not what the poster meant. > Yonit. > > > >I'm so far from that the mere mention of it here was just a result of > >asking. It is a thought of a thought. > > > >>Thanks Kai > >> > >>On 11/9/11 5:54 PM, "Alon Levy"<al...@redhat.com> wrote: > >> > >>>On Wed, Nov 09, 2011 at 03:57:30PM +0000, Mosebach Kai wrote: > >>>>On 11/9/11 3:51 PM, "Alon Levy"<al...@redhat.com> wrote: > >>>> > >>>> > >>>>>On Wed, Nov 09, 2011 at 01:52:12PM +0000, Mosebach Kai wrote: > >>>>>>Hi guys, > >>>>>> > >>>>>>Just a though : > >>>>>> > >>>>>>In a scenario where a kvm-host system has a openGL capable display > >>>>>>adapter, wouldn't it be possible (and relatively simple compared to a > >>>>>>full > >>>>>>VGA passthrough) to just > >>>>>>pass the OpenGL interface/access into the VMs QXL Adapter making this > >>>>>>one > >>>>>>(HW accelerated) OpenGL aware? > >>>>> > >>>>>There are threads in qemu-devel about using pci passthrough for using > >>>> > >>>>I tried for long time now to pass through PCIe Hardware into the guest > >>>>with all kind of PCIe cards w/o too much off success. So that¹s not > >>>>what I > >>>>want ;-) > >>>> > >>>>>the host GPU from the guest. If you actually want to view the results > >>>>>then yes, it's relatively simple in theory. Maybe also in practice, but > >>>>>I've been struggling with a slightly larger problem, doing OpenGL and > >>>>>Direct3D passthrough, for almost a year now, with no results to show :/ > >>>>> > >>>>>I do have patches on my harddrive somewhere by Izik Eidos that do a > >>>>>proof of concept for GL passthrough from a windows guest to a > >>>>>windows/linux client, I could ask him if it's ok to post them if you'd > >>>>>like. (and if I can find them). > >>>>> > >>>>>Basically it adds qxl messages for all the GL commands, adds a surface > >>>>>type, tracks all commands from the last SwapBuffers (I guess > >>>>>wglSwapBuffers - the equivalent of glXSwapBuffers) per surface, and > >>>>>passes all of those to the client. Rendering on the server, that is the > >>>>>host, will be a little simpler. > >>>> > >>>>So (if I got you right and you got me right) we talk about the QXL > >>>>device > >>>>on the KVM guest receiving OpenGL commands and passing them (thru > >>>>qemu-kvm) downwards to the OpenGL capable hardware on the KVM Host > >>>>(server). The client (spicec or similar) should not be involved at all. > >>>>Is > >>>>there any work in progress (for rendering on the server) - similar to > >>>>the > >>>>RemoteFX project of HyperV? > >>>> > >>> > >>>I know I'm working on enabling both server side and client side > >>>rendering, not aware of anyone else. > >>> > >>>> > >>>>Cheers Kai > >>>> > >>>>> > >>>>>> > >>>>>>Thanks for enlightenment, > >>>>>> > >>>>>>Kai > >>>>>> > >>>>>>_______________________________________________ > >>>>>>Spice-devel mailing list > >>>>>>Spice-devel@lists.freedesktop.org > >>>>>>http://lists.freedesktop.org/mailman/listinfo/spice-devel > >>>> > >> > >_______________________________________________ > >Spice-devel mailing list > >Spice-devel@lists.freedesktop.org > >http://lists.freedesktop.org/mailman/listinfo/spice-devel > > _______________________________________________ > Spice-devel mailing list > Spice-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/spice-devel _______________________________________________ Spice-devel mailing list Spice-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/spice-devel
