[Bug 110781] Radeon: heavy r300 performance drop regression between 11.x and 19.x

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110781

--- Comment #64 from Richard Thier <u9vata at gmail.com> ---
Rui!

Btw I am also running your patch already too and did not see much problems so
far, but many of the stuff I am running was DX7 and DX8 level in graphics
settings so I do not know how many times I actually tried your code literally,
but it is built into my mesa too.

Also Mount&Blade is working well too now! It was misconfigured in the new wine
to have CSMT and that was über-slow on my single core machine leading to
starvation and a lot of overhead that was even visible in the perf output.

So far everything works at full speed now!

I am thinking about maybe trying to figure out HyperZ on r300. According to the
feature matrix it is untested and I see bad glitches but elevated performance.
I already made some changes to try it...

But if I continue with hyperZ stuff likely it will be another bug report, just
for sake of transparency about knowing this one is pretty much seems solved
completely...

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