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Comment by leoc | Hacker News Reader

Valve is certainly interested in Vulkan, partly as a means to target Chinese Dota players running Windows XP. Even a second-place position on PC may amount to more than star status on OS X. (Though OTOH the relatively easy port could draw people looking for some extra income for their iOS game.)

(In any case, is it yet certain that Apple won't support Vulkan on OS X? It wouldn't have been ready for El Capitan's launch this Autumn regardless. Maybe Apple will try to deprecate it (in the non-technical sense) as a compatibility option but support it anyway?)

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Valve is an oversight, yeah -- I did mention them in another comment here. I don't really think of them as a game developer anymore, but I'm probably being unfair.

If Apple supports Vulkan but with worse drivers than Metal, I'm not sure that's any better. OSX has roughly four times the penetration of Linux in the latest Steam hardware and software survey. I'm not sure it's worth it for most developers to deliberately target the second-best choice on OS X in order to pick up the handful of Linux gamers who can't/won't dual-boot Windows.

I was talking more about Vulkan's second-place position on Windows than about Linux (Vulkan is likely to have some advantages on Windows, like being less tied to the Windows roadmap than DirectX, or indeed OpenGL), and if Apple provided bad Vulkan support I think they'd just be letting themselves in for bad Vulkan-based ports. But overall I don't think we're really disagreeing very much here.

(EDIT: see below.)

Did you mean Vulkan where you said "Mantle's second-place position on Windows?" As far as I can tell, Mantle is pretty much DOA -- Nvidia and Intel aren't going to support it on any platform, and Nvidia has 52% of the PC market according to the latest Steam user survey[1], and Nvida/Intel combine for roughly 80%. Even AMD is deprecating Mantle in favor of DX 12/"GLnext"[2].

[1] http://store.steampowered.com/hwsurvey [2] https://community.amd.com/community/gaming/blog/2015/05/12/o...

Yes, of course I meant Vulkan, sorry. IIRC though Vulkan is effectively Khronos-standardised Mantle, so it's not all that fair to say that Mantle has died exactly.

> Valve is certainly interested in Vulkan, partly as a means to target Chinese Dota players running Windows XP.

That seems like a far fetched theory to me. AMD and NVIDIA haven't released drivers for XP for ages. Vulkan support in Source Engine is nowhere near done, if it has even started. In the meantime Chinese players will move on...

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