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

[Brian Paul]

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?

-Brian