[Mesa-dev] [PATCH 00/12] i965/gen7+: Implement fast color clears.

Eric Anholt eric at anholt.net
Wed May 22 19:32:14 PDT 2013


Paul Berry <stereotype441 at gmail.com> writes:

> This series implements fast color clears, a Gen7+ feature which
> reduces memory bandwidth by deferring the memory writes involved in a
> glClear() until the same memory is later touched during rendering.

Comparing the branchpoint from master to the end of the series on my
IVB:

GLB2.7 trex FPS +5.32146% +/- 0.649187% (n=59).
cairo-gl runtime -2.28449% +/- 0.497044% (n=18).

I'll try to do review tomorrow.
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