[OpenJDK 2D-Dev] Resurrecting Lauren'ts work on speeding up Pisces

Clemens Eisserer linuxhippy at gmail.com
Mon Nov 11 08:21:25 UTC 2013


Hi,

One wish regarding pisces came into my mind:

Currently all AA tile generators feed  32x32 coverage tiles to the pipelines.
While this might be a good idea for software-only pipelines due to
good cache locality, it is a huge issue for at least the xrender
pipeline.
Each tile has to be uploaded seperately, which causes context switches
and GPU stalls - and I can't make use of the shared memory image
extension which should be quite benefitial for larger coverage
uploads,

It would be great if this fixed size could be made more dynamically -
this is an area where I could contribute.

Regards, Clemens



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