Quoting: StrangerVulkan is very probably going to be available, especially if this week's beta patch works out. It's probably not going to be as fast as the regular OpenGL implementation yet, though.

So did UE enable Vulkan for Linux builds already? Here they list it as TODO: https://trello.com/c/lzLwtb5P/124-vulkan-for-pc-and-linux [External Link]

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Quoting: StrangerLong version : it's pretty hard to test a game for Linux. Some AMD GPUs work with the AMDPRO driver (which apparently works well with UE4?) while most modern hardware works only with the open-source Radeon driver ; and we found that different distributions didn't provide the same level of dependencies to the driver (namely, different versions of LLVM were apparently shipped with the same driver). We try to offer multiple options to help players find a working setup - the stable release channel is currently playable on AMD but features a lighting issue ; while the beta channel was meant to provide Vulkan support to workaround OpenGL issues, but has new, different issues.

Yeah, this makes sense, but you can probably make it easier for yourself. You don't need to focus on PRO driver, even AMD themselves don't recommend using it for gaming. Just focus on latest stable release of Mesa first (with whatever combination of llvm and libdrm it requires). And if you have more time - test with older Mesa versions. That would address your potential audience the best. Majority of Linux gamers who use AMD know how to use latest Mesa with their respective distributions.

I.e. to put it in the level of priority for testing:

1. Newest stable Mesa with most recent compatible stable llvm / libdrm.
2. Older Mesa and may be Mesa master to see if it improves anything.
3. PRO.

If you address just #1 for AMD - it would be already great. If you can do more - even better but not strictly necessary.

Another point, newest hardware isn't using radeon kernel driver with Mesa, but amdgpu. For OpenGL it's normally radeonsi+amdgpu (and Vulkan: radv+amdgpu or amdvlk+amdgpu). For older hardware it can be indeed radeon kernel driver, which sometimes makes a difference. But again, it's probably best to focus on amdgpu+radeonsi as a first priority.

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Ah, I remember this game. The story was quite original and quirky, and some choices were rather hard. For instance, at some point simply using magic would equal to killing sleeping population.

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At this moment, we only test on NVIDIA hardware, based on what we currently own. When the game moves to a final release, we'll try to have more testing on AMD hardware ; but hopefully by this point we will have our AMD issues resolved.

This sounds a bit confusing. How can they resolve such issues by that time, if they don't test on AMD?

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Looks like an interesting game. Did GOG not accept it for their games in development program?

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Looks promising :)

Candle on the helmet reminds me intro to The Hobbit film.

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Interesting, but again Steam only? They should try itch.io.

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Quoting: GustyGhostOh wow I just realized my source on AMD DC is over a year old. Looks like you're right. Now I await downstream. [External Link]

I already tried it out in Debian testing (using 4.15rc5 from exprimental).

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Quoting: GustyGhostHopefully, by the time this arrives downstream, AMD's DC code will be properly reworked for merge into mainline kernel.

AMD display code (DC) is already merged in Linux 4.15.

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The Witcher 3 freeze is still not fixed (for invisible monsters patch).

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