Re: [Qemu-devel] Re: [PATCH] Implement a virtio GPU transport

Avi Kivity
2010-11-01T10:43:03Z

On 10/28/2010 03:52 PM, Ian Molton wrote:
> On 28/10/10 15:24, Avi Kivity wrote:
>>> The caller is intended to block as the host must perform GL rendering
>>> before allowing the guests process to continue.
>>
>> Why is that? Can't we pipeline the process?
>
> No, not really. the guest may call for the scene to be rendered at any
> time and we have to wait for that to happen before we can return the
> data to it.

Waiting for a response is fine, but can't the guest issue a second batch
while waiting for the first?

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.