It's the other way around. There's some ES2 hardware that can do OQ2 but not OQ. This extension was introduced for compatibility with some future ES work, but ES has gone a diiferent route. I don't expect any app will ever use this extension.

Sent from my phone.

On Sep 11, 2010, at 1:48 PM, Dave Airlie <airl...@gmail.com> wrote:

Just noticed this on a list of things for r300 todo, seems kinda
pointless but what do I know.

I wonder if there is hw that can do OQ2 and can't do OQ, for which it
might make sense.

Dave.
<0001-mesa-swrast-st-add-ARB_occlusion_query2-support.patch>
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