I've been playing with strategies to get r300 buffer management a bit more efficient,
I've reworked the r300g screen/winsys and create a pb_bufmgr compliant buffer class, and stacked the cached buffer manager on top of it. Now I've hit a problem in that we expose buffer busy state, but the cached bufmgr doesn't know to check if the buffer is busy before reusing it. The attached patch adds a query for buffer busy to pb_bufmgr.h. I've wondered if I can do this with some hacked up fences but it seems like a lot more work for not much gain. Dave.
cached-bufmgr-busy.patch
Description: Binary data
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