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(parent: 04ae66d) | patch
intel-gem: Speed up tiled readpixels by tracking which pages have been flushed.
authorEric Anholt <eric@anholt.net>
Sun, 27 Jul 2008 02:28:14 +0000 (19:28 -0700)
committerEric Anholt <eric@anholt.net>
Mon, 28 Jul 2008 18:25:19 +0000 (11:25 -0700)
commitf85fd1b42dc2d77266007c02144d4f4f524e4157
treeef45bb5f688fb345141c3e8a78902ccad8f84c57tree | snapshot
parent04ae66db1c517264cddc786be962fdd393c9c8accommit | 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.
linux-core/i915_gem.c diff | blob | history
shared-core/i915_drv.h diff | blob | history
Domain: System / Kernel;