[Bf-cycles] AMD OpenCL

Nazim Mer nazim.mer at gmail.com
Wed Jul 22 09:49:40 CEST 2015

Hello Blender heads,
Its great that Blender Cycles is finally working on AMD GPUs.
However, I got to ask.
Are the osx amd opencl developers gonna move those improvements made in el
capitan to the official amd driver for other users on windows and linux?

If the megakernel works in el Capitan, whilst also be better than the split
kernel, where is the future for the split kernel?

I thought the split kernel was going to make its way into the cycles cuda
Especially since DUDE from luxrender has seen massive improvements from
splitting the luxrender kernel?

Is the split kernel going to be shelfed, or is it going to be the new code
face of cycles, as i heard that even nvidia gpus are starting struggle with
the megakernal

What are the plans for the split kernel....

"AMD team who's working on OSX drivers for El Capitan (OS X 10.11) did
really nice work on improving the driver which is now capable of compiling
and running OpenCL megakernel. The following features are supported:

   - Hard and rough surface BSDF
   - Transparent shadows
   - Motion blur (camera, object, deformation)
   - Hair

Are these features working for the split kernel ?

Kind Regards,

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