Fwd: x11perf move test performance

[Keith Packard]

Michel Dänzer <michel at daenzer.net> writes:

> One possible reason is that in contrast to the M9000, the HD5450 doesn't
> have a dedicated 2D engine which can do overlapping blits. It has to
> emulate those using two copies via a temporary pixmap.

If the difference is glamor vs custom 2d code, then the problem is
almost entirely the overhead of using GL for a single very small
operation.

-- 
keith.packard at intel.com
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