Is XAA still supported in recent and future xserver?

[Soeren Sandmann]

Keith Packard <keithp at keithp.com> writes:

> Frankly, the lack of off-screen pixmaps is probably the principle reason
> XAA is faster than EXA for so many chips -- modern desktop apps
> generally draw everything off-screen then blt on-screen (and this is
> always true with Composite), so you're getting pure CPU rendering
> instead of an ugly mixture of CPU and GPU rendering.

Yes, it is the reason. Before offscreens were turned off, the
XAANoOffscreenPixmaps was a well-known "unbreak me" option that people
had to set to avoid rendering in the framebuffer.


Soren