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authorEric Anholt <eric@anholt.net>2008-07-26 19:28:14 -0700
committerEric Anholt <eric@anholt.net>2008-07-28 11:25:19 -0700
commitf85fd1b42dc2d77266007c02144d4f4f524e4157 (patch)
treeef45bb5f688fb345141c3e8a78902ccad8f84c57 /shared-core/drm.h
parent04ae66db1c517264cddc786be962fdd393c9c8ac (diff)
intel-gem: Speed up tiled readpixels by tracking which pages have been flushed.
This is around 3x or so speedup, since we would read wide rows at a time, and clflush each tile 8 times as a result. We'll want code related to this anyway when we do fault-based per-page clflushing for sw fallbacks.
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