Cycles - difference between OpenCL and CUDA with AO simplify
Closed, ResolvedPublic

Description

System Information
Win7 x64 1080Ti and Vega 64 with latest drivers

Blender Version
Broken: f77cdd1d59f6e895b567c4d5fdcc6f2440e03307
Worked: 659ba012b0f30450c6de13f8b1c2fccce32fc461

Short description of error
AO simplify is black, whatever the world is set to.

Exact steps for others to reproduce the error
Render attached file

with Cuda and with OpenCL, you get this
Cuda, correct:

OpenCL, wrong:

here is the fix

@Brecht Van Lommel (brecht) I don't have commit rights, could you commit it please?