Windows 10 Pro - As Rock 990 FX killer Amd Fx 8370 32 GB RAM
Operating system:Windows 10 Pro
Graphics card:Nvidia Geforce Gtx 960 4GB
(example: 2.79b release)
(example: 2.80, edbf15d3c044, blender2.8, 2018-11-28, as found on the splash screen)
Sculpting in material viewport shows transparent edges
Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).