[PATCH 4/4] miext/damage: Only wrap into the GC ops chain if there's a listener

[Eric Anholt]

On Tue, 13 Dec 2011 17:31:53 -0500, Adam Jackson <ajax at redhat.com> wrote:
> Before:
> 40000000 trep @   0.0009 msec (1148346.9/sec): PutImage 10x10 square
> 60000000 trep @   0.0005 msec (2091666.1/sec): ShmPutImage 10x10 square
> 
> After:
> 40000000 trep @   0.0008 msec (1191807.5/sec): PutImage 10x10 square
> 60000000 trep @   0.0005 msec (2180983.0/sec): ShmPutImage 10x10 square
> 
> Signed-off-by: Adam Jackson <ajax at redhat.com>

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