[Mesa-dev] [PATCH] i965: Avoid dependency hints on math opcodes

[Kenneth Graunke]

On 02/28/2014 02:35 PM, Mike Stroyan wrote:
> Matt,
> 
>   You haven't replied to my mail with an updated shader test that shows
> the math instructions alone causing trouble.

I don't think Matt has time to do that.  Could you please trim down your
shader test to a smaller case which demonstrates the problem?  As is,
it's pretty large.  It also looks like it was ripped directly out of
someone's application, which makes us nervous about copyright infringement.

> Do you now agree that my patch avoiding math instructions in
> opt_set_dependency_control is the appropriate fix?

I see no documentation indicating that there are bugs with dependency
control and math instructions.  I also don't see any workarounds for
that in the Windows driver.

--Ken

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