[virglrenderer-devel] fail to test virtio-gpu with heaven benchmark4.0

[Chen Fan]

On 2016年08月29日 19:08, Marc-André Lureau wrote:
> Hi
>
> ----- Original Message -----
>>
>> On 2016年08月29日 17:03, Marc-André Lureau wrote:
>>> hi
>>>
>>> ----- Original Message -----
>>>> Hi all,
>>>>
>>>> I tried to use virtio-gpu to do some test, the glmark2 works, but when I
>>>> ran heaven benchmark in Guest,
>>>>
>>>> the application could not be ran. I have collected the output message.
>>>> pls see attachment file.
>>>>
>>>> I built my environment according to the requirement in
>>>> https://copr.fedorainfracloud.org/coprs/kraxel/virgl/，
>>> It should no longer be necessary, everything is in fedora 24
>>>
>>> See also:
>>> http://blog.wikichoon.com/2016/05/spice-openglvirgl-acceleration-on.html
>> Hi Marc, thanks, I saw that this use spice to display VM, it means
>> that virtio-GPU already support remote 3D  accelerator? if true,
>> it's great.
>>
> No, it's only local atm. There is some experimental work on-going for remoting with spice though.
Thanks.

>
>>>> both guest/host kernel version: 4.6
>>>>
>>>> I used the latest qemu forked from master branch
>>>> (e00da552a0dc82f4ec7896281eada7201e69f1db),
>>>>
>>>> and run qemu with:
>>>>
>>>> ~/data/linux-src/qemu$ ./x86_64-softmmu/qemu-system-x86_64 -vga virtio
>>>> -display gtk,gl=on --enable-kvm -m 4000 -smp 4,sockets=1,cores=4 -hda
>>>> /home/chenfan/imgs/fedora23.qcow2  -cpu host
>>>>
>>>> when running the heaven benchmark application the qemu has some output
>>>> as following, I don't know how to fix that,
>>>>
>>>> do you have some hints? thanks in advance :)
>>>>
>>>>
>>>> the qemu output messages:
>>>> (qemu-system-x86_64:4628): Gdk-WARNING **:
>>>> gdk_gl_context_set_required_version - GL context versions less than 3.2
>>>> are not supported.
>>>> gl_version 33 - core profile enabled
>>>> vrend_compile_shader: context error reported 3 "Xorg" Illegal shader 0
>>>> shader failed to compile
>>>> 0:23(34): error: could not implicitly convert operands to arithmetic
>>>> operator
>>>> 0:23(34): error: operands to arithmetic operators must be numeric
>>>> 0:23(17): error: no matching function for call to
>>>> `uintBitsToFloat(error)'; candidates are:
>>>> 0:23(17): error:    vec4 uintBitsToFloat(uvec4)
>>>> 0:23(17): error:    float uintBitsToFloat(uint)
>>>> 0:23(17): error:    vec2 uintBitsToFloat(uvec2)
>>>> 0:23(17): error:    vec3 uintBitsToFloat(uvec3)
>>>> 0:23(17): error:    vec4 uintBitsToFloat(uvec4)
>>>> 0:23(12): error: cannot construct `vec4' from a non-numeric data type
>>>> (snip)
>>>> vrend_report_buffer_error: context error reported 3 "Xorg" Illegal
>>>> command buffer 149816321
>>> This is a virglrenderer bug, translating a shader. You could try with
>>> virglrenderer from git, and if it still fails, report a bug to the virgl
>>> mailing list.
>>>
>>> Regarding benchmarks, those aren't so great if you compare them with the
>>> host today (especially "artificial" benchmarks like glmark2), I would say
>>> it's between 30-50% of host, so there is room for improvements.
>>>
>>> thanks
>>>
>> yes, I used the latest virglrender from git. so
>>
>> Cc:virglrenderer-devel at lists.freedesktop.org
>> <mailto:virglrenderer-devel at lists.freedesktop.org>
> thanks
>

-- 
Sincerely,
Chen Fan