Re: [Qemu-devel] egl: EGL_MESA_image_dma_buf_export not supported / Failed to initialize EGL render node for SPICE GL

[Marc-André Lureau]

Hi

On Thu, Mar 7, 2019 at 3:00 PM manish jaggi <address@hidden> wrote:
>
> Hi List,
> I am trying to run qemu with spice gl=on with the below command line
> and getting errors.
>
> qemu-system-x86_64 -cdrom ubuntu-18.04.2-desktop-amd64.iso -hda
> u1.qcow2 -enable-kvm -m 1G -cpu host -smp 8 -machine vmport=off -boot
> order=dc -device virtio-vga,virgl=on -spice
> gl=on,unix,addr=/home/mjaggi/spice.sock,password=1,disable-ticketing
> -soundhw hda -device virtio-serial -chardev
> spicevmc,id=vdagent,debug=0,name=vdagent -device
> virtserialport,chardev=vdagent,name=com.redhat.spice.0
>
> qemu-system-x86_64: egl: EGL_MESA_image_dma_buf_export not supported
> qemu-system-x86_64: Failed to initialize EGL render node for SPICE GL

It's a limitation of your graphics driver, it doesn't support the
required extensions.

Which GPU and driver do you have?

thanks

>
> Qemu configuration
> ./configure --enable-sdl --with-sdlabi=2.0 --enable-opengl
> --enable-virglrenderer --enable-system --enable-modules
> --target-list=x86_64-softmmu --enable-kvm  --disable-werror
>
> ...
> OpenGL support    yes
> OpenGL dmabufs    yes
>
> As per configure script
>
> #include <epoxy/egl.h>
> #ifndef EGL_MESA_image_dma_buf_export
> # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
> #endif
> int main(void) { return 0; }
> EOF
>   if compile_prog "" "" ; then
>     opengl_dmabuf=yes
>   fi
> fi
>
> So if OpenGL dmabufs   is yes, should I be getting
> EGL_MESA_image_dma_buf_export not supported error ?
> What I could be missing here
> Need help/guidance.
>
> -Thanks
> Manish
>


-- 
Marc-André Lureau