[Bug 76749] [HSW] DOTA world lighting has no effect

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76749

--- Comment #11 from Matt Turner <mattst88 at gmail.com> ---
(In reply to comment #10)
> Created attachment 96764 [details] [review]
> fix vs copy propagation
> 
> This patch should fix this bug.  However, there appear to be two other
> rendering issues introduced by commit
> 947c828d5cbffe9640ac63103a6223112eeff27f and commit
> 9cd51bb0c4608258199c69bc7738e72f055799d2 respectively.  The latter commit in
> particular prevents this patch from working correctly.  I will need to look
> into why before posting the patch to the list for review.

See "i965/vec4: Consider sources of non-GRF-dst instructions for dead
channels." awaiting review, and
https://bugs.freedesktop.org/show_bug.cgi?id=76616

I'll see if I can spot the problem with the saturation propagation pass. I can
reproduce the issue with Jordan's trace.

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