[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 #66 from Richard Thier <u9vata at gmail.com> ---
> Yes, I think it's a good idea to open a new bug.

Added seperate bug for working on HyperZ glitches:

https://bugs.freedesktop.org/show_bug.cgi?id=110897

> By the way, I have a vague memory of HiZ on the R4xx being exclusive (i.e.,
> only the first app to use the Z-buffer gets HiZ), but I could be completely wrong.

It is exclusive, but not to the first app it seems. The code to get hyperZ
ownership is in the buffer clearing function and I see it with my bare eyes
right now so I think not only the first app can get it, but if you exit that
automatically some of the next one (that gets clear called first).

> It worked fine here, too.

Is there any indicator to look for? Like shader files on disk at some places or
near the runned binary or current dir or whatever with this or that name?

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