[Piglit] [PATCH 0/3] Add HiZ tests

Marek Olšák maraeo at gmail.com
Wed Apr 27 14:35:03 PDT 2011

On Wed, Apr 27, 2011 at 10:59 PM, Brian Paul <brianp at vmware.com> wrote:

> On 04/27/2011 02:00 PM, chad at chad-versace.us wrote:
>> From: Chad Versace<chad.versace at intel.com>
>> Add tests that check that depth tests work correctly when rendering to
>> window
>> framebuffers and to FBO's with various formats. These tests act as
>> a preliminary sanity test for HiZ.
>> Later, tests will be added that cover more complex situations in which HiZ
>> is
>> likely to cause problems, such as HiZ buffer resolves and HiZ clear
>> operations.
> Dumb question: what is HiZ?

Hierarchical Zbuffering.

Here's a good explanation:

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