Developer Notes

This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.

Description

Tessellation used on BSP causes severe graphical glitches on AMD Radeon 200 Series cards.

The Licensee also mentioned it occurs on the Nvidea GTX 970 (not tested)

Steps to Reproduce

1. Download the attached project & open it
2. The error is visible in the viewport, PIE, or Standalone

Results: On an AMD card, tessellation on a BSP has severe graphical glitches

Expected: For the tessellation to work the same as it does on an Nvidia card (which isn't great because it's on a BSP but it doesn't have the flickering graphical issues as the AMD)

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Won't Fix
ComponentUE - Rendering
Affects Versions4.7.64.9
CreatedJun 3, 2015
ResolvedFeb 14, 2017
UpdatedApr 27, 2018