[Intel-gfx] intel_prepare_render(intel); unhelpful?

[Eric Anholt]

On Mon, 01 Nov 2010 19:52:58 +0000, Peter Clifton <pcjc2 at cam.ac.uk> wrote:
> On Sun, 2010-10-31 at 20:54 -0700, Eric Anholt wrote:
> 
> > Now, this version of the code has bothered me, since apps that execute
> > in one batchbuffer should end up getting overly penalized.  See
> > intel-throttle-hack of my mesa tree for a possible fix.
> 
> I like it! I still can't quite figure out what synchronisation issue I
> was running into with my app though. With a single wait_for_rendering /
> synchronisation per frame, I can't quite contrive how the GPU would get
> stalled at all during a sequence of consecutive frames.

I like it too, except for the whole "not just no performance
improvement, but actually penalty on everything I've tried" thing.
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