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Re: [Qemu-devel] [virtio-dev] [PATCH] Add virtio gpu device specificatio
From: |
Gerd Hoffmann |
Subject: |
Re: [Qemu-devel] [virtio-dev] [PATCH] Add virtio gpu device specification. |
Date: |
Tue, 10 May 2016 13:25:37 +0200 |
Hi,
> > > Rendered versions are available here:
> > > https://www.kraxel.org/virtio/virtio-v1.0-cs03-virtio-gpu.pdf
> > >
> > > https://www.kraxel.org/virtio/virtio-v1.0-cs03-virtio-gpu.html#x1-2800007
> > I guess a non-fenced command only completes when the operation has
> > finished, too (so that a meaningful success/error value can be
> > produced)?
>
> When stuff is processed asynchronously the command can complete before
> the operation actually completed. Current qemu implementation does that
> only in 3d mode, when offloading stuff to the hardware (and verifies
> stuff beforehand, so if you try to kick 3d rendering with an invalid
> context id qemu will throw an error).
>
> I'll try to make that more clear in the text.
Updated now.
cheers,
Gerd