[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 #1 from Richard Thier <u9vata at gmail.com> ---
Created attachment 144510
  --> https://bugs.freedesktop.org/attachment.cgi?id=144510&action=edit
Second screenshot (visible tile boundary - zbuffer is completely wasted below)

Added second screenshot. You can see the tile here where the blue gear is.
Above the line that tile starts and above the line from the next tile-line
there is good z-buffer always.

Here I am after some seconds so the whole zbuffer became unusable at this point
and that is why things are black. In games that have a skybox I tend to see the
skybox instead or far away things instead of black!

Resolution is 1024x768 so you can even measure the size of the tile. I think it
is 32x32 or similar.

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