[Bug 110897] HyperZ is broken for r300 (bad z for some micro and macrotiles?)

[bugzilla-daemon at freedesktop.org]

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

--- Comment #12 from Richard Thier <u9vata at gmail.com> ---
Hi Cosiek!

What card is that (lspci output maybe)? Is HyperZ just good without any changes
to stock mesa? Your card seems to be also reported as RC410 like mine, but you
have much-much more FPS for some reason. Is this also a laptop?

> I just want to warn you that there may be some more bugs in r300 driver.

I also know about one more that affects specifically the "Total War" games.
Both Rome: Total War 1 and Medieval: Total War 2. I see very bad "tiling" but
from the size of the bad tiles I kind of think it is likely maybe some kind of
texture format or something similar that goes wrong. I haven't even started the
analysis because better do one thing at a time... It is good that you point me
towards this issue too as who knows if this is maybe not the one affecting the
game maybe?

Also I have found out only now how "easy" is to gdb the userland driver! All I
need to do is to know proper function names and I can breakpoint them easily
after answering yes to gdb when it asks me that it does not find the function
yet but if it should set breakpoint when the shared object is loaded... Before
this I just used printfs and stuff... Both have use cases of course.

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