On 12/12/16 20:37, Roland Mainz wrote: > On Mon, Dec 12, 2016 at 8:27 PM, Antoine Martin <anto...@nagafix.co.uk> wrote: >> 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/ > > Correction: > The version of Xvfb he is using has been compiled without GLX support > and he "just" needs to recompile his own version with GLX support > enabled... For most people, using a different command line (Xdummy's or virtualgl instead of Xvfb) will be a lot easier than recompiling the X11 server. Especially for managing multiple deployments or handling system updates.
Cheers Antoine > ---- > > Bye, > Roland > _______________________________________________ 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
