On Wed, Apr 27, 2011 at 10:59 PM, Brian Paul <span dir="ltr"><<a href="mailto:brianp@vmware.com">brianp@vmware.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div class="im">On 04/27/2011 02:00 PM, <a href="mailto:chad@chad-versace.us" target="_blank">chad@chad-versace.us</a> wrote:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> From: Chad Versace<<a href="mailto:chad.versace@intel.com" target="_blank">chad.versace@intel.com</a>><br> <br> Add tests that check that depth tests work correctly when rendering to window<br> framebuffers and to FBO's with various formats. These tests act as<br> a preliminary sanity test for HiZ.<br> <br> Later, tests will be added that cover more complex situations in which HiZ is<br> likely to cause problems, such as HiZ buffer resolves and HiZ clear<br> operations.<br> </blockquote> <br></div> Dumb question: what is HiZ?<br></blockquote><div><br>Hierarchical Zbuffering.<br><br>Here's a good explanation:<br><a href="http://developer.amd.com/media/gpu_assets/Depth_in-depth.pdf">http://developer.amd.com/media/gpu_assets/Depth_in-depth.pdf</a><br> <br>Marek<br></div></div>