[Bug 97035] compilation of WebGL demo iamnop.com/particles shader slowed 5x, run-time perf dropped to 1/10th

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97035

--- Comment #16 from Tapani Pälli <lemody at gmail.com> ---
(In reply to Eero Tamminen from comment #15)
> (In reply to Tapani Pälli from comment #14)
> > Testing with current Mesa (06bfb2d28f) on HSW desktop system,
> 
> This bug was originally filed against BSW/SKL.
> 
> 
> > page loads in
> > ~10 secs and runs 60fps meeting the expected result. I'm proposing to
> > resolve this as FIXED unless still a problem on chromebooks?
> 
> Tested Mesa tip (git-379b24a40d) on SKL GT4e.  Issue is still there, page
> freezes for ~10 seconds and "galaxy" shape renders at 1/60th speed of the
> other shapes.
> 
> (I verified that Chromium is using right Mesa version from "chrome://gpu".)

Yep, I tried now on KBL and it also reproduces this. Did not notice this is gen
specific issue.

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