[Bug 36602] Hierarchical Z support for R600

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36602

--- Comment #19 from Andy Furniss <lists at andyfurniss.entadsl.com> 2011-08-05 12:24:33 PDT ---
(In reply to comment #18)
> For reference, you need to patch the ddx:
> http://people.freedesktop.org/~agd5f/htile/0001-dri2-add-support-for-htile-buffers.patch
> the drm:
> http://people.freedesktop.org/~agd5f/htile/0001-drm-radeon-kms-add-htile-support-to-the-cs-checker.patch
> and mesa:
> http://people.freedesktop.org/~agd5f/htile/0001-r600g-add-r600_bo_size-helper-function.patch
> http://people.freedesktop.org/~agd5f/htile/0002-r600g-add-htile-support.patch
> http://people.freedesktop.org/~agd5f/htile/0003-r600g-check-bo-size-before-enabling-HiZ.patch
> http://people.freedesktop.org/~agd5f/htile/0004-r600g-evergreen-htile-fixes-update-comments.patch
> http://people.freedesktop.org/~agd5f/htile/0005-r600g-make-sure-we-allocate-htile-for-fbo-case.patch

I just tried these on my rv790 with d-r-t kernel ( plus "fix version comment
due to merge timing" so the drm patch would apply cleanly).

I don't get any exceptions or errors, but I do get some minor corruption on
some mesa demos and openarena. Nexuiz and etqw looked OK.

The corruption varies between runs and isn't always present or as bad as the
attached image. It's often just a few patches almost always running along the
diagonal top left to bottom right.

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