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... ---- Bye, Roland -- __ . . __ (o.\ \/ /.o) roland.ma...@nrubsig.org \__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer /O /==\ O\ TEL +49 641 3992797 (;O/ \/ \O;) _______________________________________________ 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