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Ray tracing seems to be all the rage at GDC this year, so AMD has announced Radeon-Rays, an open source ray tracing SDK. From what I understand, it's basically them making a big splash over a re-named and updated AMD FireRays with Vulkan support.

Here's what they said about it:

Radeon-Rays is a GPU intersection acceleration library with basic support for heterogeneous systems. AMD developed Radeon-Rays to help developers get the most out of AMD GPUs and CPU or APUs, as well as save them from maintaining hardware-dependent code. Radeon-Rays exposes a well-defined C++ API for scene construction and performing asynchronous ray intersection queries. The current implementation is based on OpenCL, which means Radeon-Rays supports execution on all platforms conforming to the OpenCL 1.2 standard. It is not limited to AMD hardware or a specific operating system. Radeon-Rays can be easily distributed and through its API helps assure compatibility and best performance across a wide range of hardware platforms.

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It's nice to see AMD continue to put their stuff out in the open, with it not being tied to their hardware and available for anyone to use.  You can find it on GitHub with some other info available in this post on the GPUOpen site.

They also have the "Baikal initiative", an open source (MIT license) GPU-based global illumination renderer that initially started as a sample application for showing off Radeon-Rays, which has since evolved into a fully functional rendering engine.

Thanks for the tip, mirv!

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Shmerl 23 Mar, 2018
What's the story with actually open OpenCL implementation for Linux?


Last edited by Shmerl on 23 March 2018 at 1:58 pm UTC
mirv 23 Mar, 2018
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News here is that they added a Vulkan backend, and gaming is expected to start integrating raytracing extras this year.
Shmerl 23 Mar, 2018
Good, that should answer the hype that MS are trying to create with their lock-in.
pete910 23 Mar, 2018
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Quoting: ShmerlGood, that should answer the hype that MS are trying to create with their lock-in.

More likely in relation to Nvidia's recent RTX demos with their Volta cards.
ajgp 23 Mar, 2018
Quoting: ShmerlGood, that should answer the hype that MS are trying to create with their lock-in.

Whats Microsoft upto now? I admit I dont follow much of the goings on in windows world as I only use it for work and nothing else so have no need to hunt news about it out.
Shmerl 23 Mar, 2018
Quoting: ajgpWhats Microsoft upto now?

Spreading lock-in, as usual.


Last edited by Shmerl on 23 March 2018 at 2:40 pm UTC
elbuglione 23 Mar, 2018
I hope AMD shows a Linux demo soon.
mirv 23 Mar, 2018
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Quoting: elbuglioneI hope AMD shows a Linux demo soon.

You can already build it for yourself.
Cybolic 24 Mar, 2018
In the meantime, isn't Blender doing almost the same with their realtime Eevee renderer? I know Eevee is not technically a ray tracer, but isn't it pulling similar tricks?
TheRiddick 24 Mar, 2018
MS and NVIDIA would be very happy if Vulkan died off, or developers steer away from it. But realistically who wants to forever be locked in to Windows10 and XBOX1 platform? at least who in their right mind would...
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