[PATCH] Add EXA support

[Matt Turner]

On Sat, Apr 28, 2012 at 3:20 PM, Connor Behan <connor.behan at gmail.com> wrote:
> This should allow the r128 driver to continue having 2D acceleration
> when XAA is removed. Implemented hooks are Solid, Copy and Composite.
> They appear to pass all rendercheck tests, except the gradient test
> which XAA also fails. Tested on multiple color depths, with and without
> DRI, with and without the composite extension. Hardware cursor and
> Xvideo are supported but page flipping may need work later on.
> Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=47866
>
> Signed-off-by: Connor Behan <connor.behan at gmail.com>
> ---

Neat!

I'm curious to know how the performance compares with XAA. For chips
like Silicon Motion, EXA is slower, and XAA performance has even
regressed since around X server 1.4.

Matt