[PULL] glamor-next

Eric Anholt eric at anholt.net
Wed Mar 25 18:47:51 PDT 2015


Michel Dänzer <michel at daenzer.net> writes:

> On 26.03.2015 04:14, Eric Anholt wrote:
>> Michel Dänzer <michel at daenzer.net> writes:
>> 
>>> On 25.03.2015 05:21, Eric Anholt wrote:
>>>>
>>>> Keith Packard (13):
>>> [...]
>>>>       glamor: Eliminate GLAMOR_USE_SCREEN and GLAMOR_USE_PICTURE_SCREEN
>>>>       glamor: Remove _nf rendering functions
>>>>       glamor: Remove ddx fallback check functions
>>>
>>> NAK for these changes. I'll be using the *_nf functions in the radeon
>>> driver soon, and I expect there might be interest for something similar
>>> in the modesetting driver and/or Xwayland in the long term as well.
>> 
>> Can you elaborate on what you're planning on using them for?
>
> Choosing between hardware and software rendering in the driver. In
> particular for large numbers of small operations, software rendering can
> still be several times faster than hardware rendering.

Couldn't you just wrap CopyArea (presumably the op you care about?)
after initializing glamor, and intercept single-rect, small-area calls
to it?
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