[PATCH xserver] Pass ClientPtr to FlushCallback

Michel Dänzer michel at daenzer.net
Wed Aug 3 08:43:11 UTC 2016

On 03.08.2016 01:12, Keith Packard wrote:
> Michel Dänzer <michel at daenzer.net> writes:
>> 2. By passing the ClientPtr to FlushCallbacks, drivers can completely
>>    eliminate unnecessary flushing of GPU commands by keeping track of
>>    whether we're flushing any XDamageNotify events to the client for
>>    which the corresponding rendering commands haven't been flushed to
>>    the GPU yet.
> Is this something we should be doing in either glamor or DIX itself?

I'm afraid that's not feasible: An additional optimization will be to
never flush for clients which aren't sharing any buffers with the server
via DRI. Only the driver can keep track of that.

Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer

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