[Bug 38800] glXSwapBuffersMscOML is slow on AMD Fusion but not on Intel 945 w/Atom

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=38800

Michel Dänzer <michel at daenzer.net> changed:

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--- Comment #47 from Michel Dänzer <michel at daenzer.net> 2011-07-08 07:51:04 PDT ---
(From update of attachment 48883)
(In reply to comment #44)
> Michel, there's one change I've made that's beyond what you did: in the old
> pageflip function, the ring lock and unlock pair were needed to emit the fence
> to hardware. In your version, where the fence isn't emitted, you don't need the
> ring lock/unlock pair.

Ah right, thanks. I'll post a new version of the fence patch to the dri-devel
list once I get around to testing it.

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