[Interest] [Qt3D] OpenCL support

[Sean Harmer]

Hi,

On Friday 20 May 2016 00:28:51 Xavier Bigand wrote:
> Hi,
> 
> I found a really interesting SSAO post process (Line-Sweep Ambient
> Obscurance <http://wili.cc/research/lsao/>), but the reference
> implementation is written in cuda and it exist a OpenCL port.
> So I would know if it can be integrated with Qt3D using OpenCL.
> If it's already possible to do it, do the support of OpenCL continue with
> future renderer backends (vulkan, DX12)?

We don't have an aspect that uses OpenCL. If I were approaching this, I would 
first try it with a compute shader before embarking on the more difficult OpenCL 
aspect approach. Also, using a compute shader should make it easier to 
port/adapt should we ever introduce more graphics API backends like 
Vulkan/DX12/Metal.

Of course, if you want to write an OpenCL aspect, then please feel free to do 
so. I guess for the interop we'd somehow need to expose the OpenGL context or 
you could do like Scene3D item does and provide your own context. Means usign 
some private API for now though.

Cheers,

Sean

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Dr Sean Harmer | sean.harmer at kdab.com | Managing Director UK
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