Re: Spice OpenGL does not work

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

The idea of Virgl is to use the host card GPU 3D capabilities to accelerate/provide 3D rendering.

Your card is mainly a 2D VGA card, really useful for remote system administration but quite useless for Virgl.

Desktop processors integrate an Intel GPU which is enough for Virgl.

About ATI/NVIDIA support I'm not sure the support level. dma buffer support is required but seems

missing in NVIDIA cards. Try asking to Qemu mailing list.

Frediano

I use SuperMicro Server to test , it have a Xeon E5-2620 CPU and a ASPEED Video AST2400 , but no discrete GPU . Should i add a ATI/NVIDIA ?
and the outputs are:

 - ls -l /dev/dri
crw-rw-rw-+ 1 root video 226,  0 Nov  3 08:32 card0
crw-rw-rw-  1 root video 226, 64 Nov  3 08:32 controlD64

-eglinfo
Using default X11 display

libEGL warning: DRI2: failed to authenticate
EGL information:
    API version:    1.4
    vendor string:  Mesa Project
    version string: 1.4 (DRI2)
    client APIs:    OpenGL OpenGL_ES OpenGL_ES2 OpenGL_ES3
    extensions:
      EGL_KHR_create_context
      EGL_KHR_get_all_proc_addresses
      EGL_KHR_gl_colorspace
      EGL_KHR_surfaceless_context
      EGL_MESA_configless_context
   number of configurations: 20
   ......
   OpenGL information:
   ......
   OpenGL ES 1 information:
   ......
   OpenGL ES 2 information:
   ......

-eglinfo |wc -l
  429

 

 

------------------ Original ------------------

From:  "Frediano Ziglio"<fziglio@xxxxxxxxxx>;

Date:  Mon, Nov 6, 2017 06:28 PM

To:  "王杰东"<wangjiedong@xxxxxxxxxx>;

Cc:  "spice-devel"<spice-devel@xxxxxxxxxxxxxxxxxxxxx>;

Subject:  Re: Spice OpenGL does not work

 

I followed the section "GL acceleration (virgl)" of spice-user-manual.html to configure my host , but it always failed ,
i updated my environment like this : qemu 2.10 , libvirt 3.6 , spice-server 0.13.90 , spice-gtk 0.33, spice-protocol 0.12.12 , virglrenderer 0.6.0 , but it still did not work .
the errors i cannot resolve include "virtio 3d acceleration is not supported" and "egl: no drm render node available , Failed to initializa EGL render node for SPICE GL" .
if you have some advice or somthing that i ingore to use spice opengl, please help me , thanks !

Would be useful to understand which GPU you have.

Would be useful outputs from:

- ls -l /dev/dri

- lspci -v

- eglinfo

(last in egl-utils package)

Frediano

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