[PATCH 3/3] glamor: Publish change_window_attributes and copy_window

[Eric Anholt]

Keith Packard <keithp at keithp.com> writes:

> Eric Anholt <eric at anholt.net> writes:
>
>> Keith Packard <keithp at keithp.com> writes:
>>
>>> Because uxa doesn't just use glamor directly, it keeps these two
>>> functions from being wrapped so that they get called
>>> automatically. Publishing these will allow uxa to call them directly.
>>
>> Instead of making uxa get more complicated, let's just move the hooking
>> of these two out of the GLAMOR_USE_SCREEN block (since GLAMOR_USE_SCREEN
>> is just the "Everybody but UXA" flag).
>
> Hrm. Uxa is still going to be broken as it wraps on top of glamor, which
> means uxa_change_window_attributes will be called, and that will have to
> "know" that the underlying function is glamor and prepare access
> correctly for that. I'm not sure that's a net win here. Everwhere else,
> uxa calls into exported glamor functions; these were just the last two
> that it needed to complete the work.
>
> Of course, what we should do soon is just get rid of the glamor paths in
> uxa and have the driver just use glamor. But, until we've finished
> making glamor fast everywhere, that doesn't seem ideal.

OK, sounds good for now.  Let's delete GLAMOR_USE_SCREEN after this
release.

This patch is:

Reviewed-by: Eric Anholt <eric at anholt.net>

and so is the updated patch 1/3.
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