[PATCH] exa/mixed: Partially restore deferred pixmap handling for frontbuffer.

[Maarten Maathuis]

2011/2/11 Maarten Maathuis <madman2003 at gmail.com>:
> 2011/2/11 Michel Dänzer <michel at daenzer.net>:
>> On Don, 2011-02-10 at 20:44 +0100, Maarten Maathuis wrote:
>>> 2011/2/10 Michel Dänzer <michel at daenzer.net>:
>>> > On Don, 2011-02-10 at 20:15 +0100, Maarten Maathuis wrote:
>>> >> - It turns out that part of the problem was actually on the driver side.
>>> >> - The performance loss is not worth the small visual improvement.
>>> >> - This should ensure low latency at low throughput.
>>> >> - Performance loss seems about 5% instead of the previous 33%.
>>> >
>>> > As you've lowered the performance loss number again, I assume you mean
>>> > 'high throughput' above. :)
>>>
>>> I really mean low latency at low throughput (typing for example), [...]
>>
>> That was always covered by the BlockHandler. Your problem was only due
>> to the BlockHandler not getting called for a long time (and/or the
>> driver not flushing properly in its own BlockHandler).
>
> Even before i read this i got the idea if i shouldn't triple check if
> I'm trying to solve a problem that doesn't exist anymore. So i'll do
> some more testing. Maybe a revert is even in order. I made a mistake
> once, i don't want to make a second one on top of that :)
>

It seems that the appearance of large amounts of text scrolling over
the screen depends on how high the throughput is, it seems a bit
stupid to slow things down for the sake of appearance, plus it's very
possible other people won't see it like I do due to a slightly faster
or slower system. I'll probably sent a revert later today or tomorrow.

>>
>>
>> --
>> Earthling Michel Dänzer           |                http://www.vmware.com
>> Libre software enthusiast         |          Debian, X and DRI developer
>>
>
>
>
> --
> Far away from the primal instinct, the song seems to fade away, the
> river get wider between your thoughts and the things we do and say.
>



-- 
Far away from the primal instinct, the song seems to fade away, the
river get wider between your thoughts and the things we do and say.