AO bounce simplification diffences between GPU and CPU
Closed, ResolvedPublic

Description

System Information
Windows 7 x64, RX480 with Crimson 17.3.1

Blender Version
Broken: latest master 96868a3

Short description of error
AO bounce approximation gives good speedup and visible differences with CPU, but with GPU the image and render time seem to stay the same as without the simplification.

Exact steps for others to reproduce the error
Open attached .blend:


This is the result with CPU (correct):

and this is with GPU: