# How can I disable Hardware Occlusion Queries And Enable HZB Occlusion

**URL:** <https://forums.unrealengine.com/t/how-can-i-disable-hardware-occlusion-queries-and-enable-hzb-occlusion/480838>\
**Category:** Rendering\
**Tags:** occlusion-culling, unreal-engine, Rendering, question\
**Created:** [March 26, 2021, 9:24pm UTC](https://forums.unrealengine.com/t/how-can-i-disable-hardware-occlusion-queries-and-enable-hzb-occlusion/480838 "2021-03-26T21:24:08Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![anonymous\_user\_8ad7c5f01](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_8ad7c5f01](https://forums.unrealengine.com/u/anonymous_user_8ad7c5f01)\
**Post date:** [March 26, 2021, 9:24pm UTC](https://forums.unrealengine.com/t/how-can-i-disable-hardware-occlusion-queries-and-enable-hzb-occlusion/480838/1 "2021-03-26T21:24:08Z")

</div>

I want to enable HZB Occlusion ,so I must to Set r.AllowOcclusionQueries 1 and r.HZBOcclusion 1。but i set r.AllowOcclusionQueries 1 is also enable Hardware Occlusion Quries？how can i only enable HZB Occlusion