# Planar Reflections Cause Big Performance Hit In Packaged VR Projects

**URL:** <https://forums.unrealengine.com/t/planar-reflections-cause-big-performance-hit-in-packaged-vr-projects/462061>\
**Category:** Debugging, Optimization, & Profiling\
**Tags:** planar-reflection, unreal-engine, Performance, question\
**Created:** [March 3, 2020, 10:31pm UTC](https://forums.unrealengine.com/t/planar-reflections-cause-big-performance-hit-in-packaged-vr-projects/462061 "2020-03-03T22:31:01Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Qwigs](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/qwigs/32/725002_2.png) [@Qwigs](https://forums.unrealengine.com/u/Qwigs)\
**Post date:** [March 3, 2020, 10:31pm UTC](https://forums.unrealengine.com/t/planar-reflections-cause-big-performance-hit-in-packaged-vr-projects/462061/1 "2020-03-03T22:31:01Z")

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Note on UE-87311, the performance hit is “fixed” if you set the Screen Percentage to 100. This is not ideal though, for obvious reasons.
