# Custom Depth Performance Cost

**URL:** <https://forums.unrealengine.com/t/custom-depth-performance-cost/317850>\
**Category:** Debugging, Optimization, & Profiling\
**Tags:** custom-depth, unreal-engine, Performance, question\
**Created:** [May 8, 2015, 1:25am UTC](https://forums.unrealengine.com/t/custom-depth-performance-cost/317850 "2015-05-08T01:25:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Mikiok](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Mikiok](https://forums.unrealengine.com/u/Mikiok)\
**Post date:** [May 8, 2015, 1:25am UTC](https://forums.unrealengine.com/t/custom-depth-performance-cost/317850/1 "2015-05-08T01:25:50Z")

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I’m looking for a solution for using a form of depth fade without losing all the benefits of the deferred shading system. I am wondering how costly would be turning on custom depth for everything except the water surface?

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**Author:** ![eddysim92](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@eddysim92](https://forums.unrealengine.com/u/eddysim92)\
**Post date:** [January 8, 2024, 9:41am UTC](https://forums.unrealengine.com/t/custom-depth-performance-cost/317850/2 "2024-01-08T09:41:26Z")

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id like to know too