If you need accessors somewhere, then you need them everywhere. So the
effect is that you introduce yet another overhead. Perhaps it's
possible to preempt this somehow in the xserver, the problem there
would be that the xserver can never be a 100% sure it's ok to call
pixman without the accessor functions.

Maarten.

On Tue, Jun 9, 2009 at 7:36 PM, Soeren Sandmann<[email protected]> wrote:
> Maarten Maathuis <[email protected]> writes:
>
>> I had a closer look, and the only worry is fbRasterizeEdges.
>
> Ok, I'll buy that it could be a real performance issue if the mask
> ends up thrashing back and forth between host and video
> memory.
>
> However, trapezoid rasterization always happens to a temporary alpha
> mask, which really should never be in video memory.
>
>
> Soren
>
>
>
>
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