"But the license doesn't allow you do then slightly modify that new copy and sell it as your own work."

The last bit prevents it from meeting the definitions I referenced. But it does allow you to make changes and then give away your changes for free.

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Quoting: DesumImportant to keep in mind this is a 'look but don't touch' license.

While the license doesn't fit the open source or free software definitions it does allow modifications and hence ports(minus the assets).

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Do any AMD cards have any kind of ray tracing acceleration?

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I am afraid that I have a very very hard time with giving AMD another chance after the "hardware malfunction error" on my Mobility Radeon X1800. Even though that was on Windows. Even though that was 10 years ago.

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Quoting: michaldybczakDid you guys see this interview? GOG Galaxy 2 will be open source and they are expecting the community to improve it, so it's not that impossible to see Linux version in the near feature, maybe not the official one but it will be done knowing the Linux community ;) :

https://www.youtube.com/watch?v=kvnOXIiJrMw [External Link]

They are only talking about the integrations with other platforms. It was a part of the original announcement: "Community platform integrations
Connect more platforms and add new features with open-source integrations." Source: https://www.gogalaxy.com/en/ [External Link]

It just means that if there is no official support for cross platform chat etc with for example itch.io(do they have have things like chat?) then the community can make such an integration layer. There has been no statement regarding open sourcing the rest of Galaxy 2.0.

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Quoting: Ehvis

Quoting: KristianThe specification is open as are all Khronos registered extensions. The only implementation so far is in the nvidia proprietary driver and therefore closed. I don't think that will change any time soon.

Well is that really Nvidia's fault then?

Not really. Nvidia is simply the only one that provides the hardware acceleration. Without the RTX, it just not fast enough for realtime stuff. And since the spec will probably go through revisions before it is accepted as a non-vendor extension, other systems will just wait it out for now.

There is the generic Crytek demo shown earlier this year, but that's a bit vague on what it actually does. It may just be hype and unsuitable for practical applications.[/quote]I don't think I saw that CryTek demo, got a link?

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Quoting: Ehvis

Quoting: Kristian

Quoting: Ehvis

Quoting: LinasJust like CUDA vs OpenCL, this is so typical of NVIDIA to push their proprietary APIs.

RTX is not an api, it's just a name for the hardware acceleration. The api is the Vulkan extension.

Is the specification for the extension open or closed/proprietary?

The specification is open as are all Khronos registered extensions. The only implementation so far is in the nvidia proprietary driver and therefore closed. I don't think that will change any time soon.

Well is that really Nvidia's fault then?

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Quoting: Ehvis

Quoting: LinasJust like CUDA vs OpenCL, this is so typical of NVIDIA to push their proprietary APIs.

RTX is not an api, it's just a name for the hardware acceleration. The api is the Vulkan extension.

Is the specification for the extension open or closed/proprietary?

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Quoting: Ardje

Quoting: Guest*Cries in AMD*

You can't RTX in AMD, but RTX is an NVidia proprietary API.
Just do plain pathtracing with AMD, it should perform better.
http://amietia.com/q2pt.html [External Link]
I assume there is probably a generic vulkan version to with a denoiser.

Going by the screenshots on that website port has no denoising, is that right?

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I was able to run(with bad performance, but that is a different matter) Q2VKPT on my laptop with a GTX 1070 because they extended the support for the ray tracing extensions to GTX cards in a recent driver update. I found a news post about it here: https://www.phoronix.com/scan.php?page=news_item&px=NVIDIA-418.52.05-Released [External Link]

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