On 12/12/16 19:51, Long Vu wrote: > On Mon, Dec 12, 2016 at 1:06 PM, Long Vu <long...@intelerad.com> wrote: >> On Mon, Dec 12, 2016 at 12:20 PM, Adam Jackson <a...@nwnk.net> wrote: >>> On Mon, 2016-12-12 at 12:13 -0500, Long Vu wrote: >>> >>>> Would it be this xvfb-run option ? >>>> >>>> -s ARGS --server-args=ARGS arguments (other than server number and >>>> "-nolisten tcp") to pass to the Xvfb >>>> server >>>> (default: "-screen 0 640x480x8") >>>> >>>> I am not familiar with X server options, what server args I would need >>>> to get rid of this "ES2 Prism: Error - GLX extension is not supported" >>>> error? >>> >>> Yes, I think it would be: >>> >>> xvfb-run -s "-screen 0 640x480x24" # ... whatever else you use >> >> I tried xvfb-run -s "-screen 0 640x480x24", still the same error. Any >> other clues? >> >> ES2 Prism: Error - GLX extension is not supported >> GLX version 1.3 or higher is required >> Xlib: extension "RANDR" missing on display ":99". >> >> >> Now that I run at 24 bpp, maybe I should force GLX to be enabled? Or >> have to specify a GLX version, otherwise the default is less than 1.3? >> > > I bumped the resolution and manually try to enable GLX, still the same error. > > xvfb-run -s '-screen 0 1024x768x24 +extension GLX +iglx' <command> > > I don't know what else to try. Your Xvfb on CentOS will not support the GL extension. If you really must use OpenGL with your client applications: 1) Use Xdummy https://xpra.org/trac/wiki/Xdummy 2) Use VirtualGL http://www.virtualgl.org/
Cheers Antoine _______________________________________________ xorg@lists.x.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: https://lists.x.org/mailman/listinfo/xorg Your subscription address: %(user_address)s
