[xserver patch] Optimize shadowUpdatePacked()

Daniel Stone daniel at fooishbar.org
Tue Mar 23 22:22:29 PDT 2010

On Mon, Mar 22, 2010 at 08:13:42PM +0200, Adrian Bunk wrote:
> From: Ilpo Ruotsalainen <ilpo.ruotsalainen at movial.com>
> http://bugs.freedesktop.org/show_bug.cgi?id=26973
> Signed-off-by: Adrian Bunk <adrian.bunk at movial.com>
> ---
> We already ship this patch in the ARM Linux Internet Platform, and it 
> looks like a good candidate for upstream inclusion.
> The "#define PickBit" can be deleted, but that's unrelated.

I assume you're only using this for rotation? If so, it'd be much better
to bang up a quick skeleton RandR 1.2 implementation that could reuse
the software rotation code from Xorg, which will be accelerated far
better through pixman's insanely-optimised CopyArea.

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