> I'd love to see Mesa used to bring Vulkan to consoles! Ever heard of Steam Deck? ;)
Marek On Mon, Jun 6, 2022 at 12:59 PM Jason Ekstrand <ja...@jlekstrand.net> wrote: > On Mon, Jun 6, 2022 at 11:38 AM Jesse Natalie <jenat...@microsoft.com> > wrote: > >> (Hopefully this goes through and not to spam like last time I tried to >> respond…) >> >> >> >> No, neither of these would currently work with UWP. >> >> >> >> The primary reason is that neither Khronos API has extensions to >> initialize the winsys on top of the UWP core window infrastructure. In >> theory, you could initialize Dozen for offscreen rendering and then >> explicitly marshal the contents out – that would probably work actually. >> There’s 2 more gotchas there though: >> >> 1. The ICD loaders (OpenGL32.dll, Vulkan-1.dll) are not available in >> the UWP environment. You could explicitly use the non-ICD version of GL >> (i.e. Mesa’s OpenGL32.dll from the libgl-gdi target), include the >> open-source Vulkan ICD loader, or use the ICD version of either >> (OpenGLOn12.dll/libgallium_wgl.dll for GL – I plan to delete the former at >> some point and just use the latter at some point; vulkan_dzn.dll for VK). >> >> If the objective here is to write a Vulkan app and ship it in UWP, I > don't see any reason why it couldn't be used for that eventually. Without > the loader, you can still load the driver DLL directly. You just have to > use vkGetInstance/DeviceProcAddr for everything because drivers don't > expose the Vulkan 1.0 API symbols (the loader does). We'd also have to > come up with a story for window-system integration, as Jesse alluded. I'd > love to see Mesa used to bring Vulkan to consoles! Unfortunately, no one's > working on that currently or has any plans, as far as I know. > > --Jason > > > >> >> 1. >> 2. There’s not currently extensions for D3D12 interop either spec’d >> or implemented. >> >> >> >> There’s one more problem for GL that I don’t think is problematic for VK, >> which is that it uses APIs that are banned from the UWP environment, >> specifically around inserting window hooks for Win32 framebuffer lifetime >> management. So you’d probably have to build a custom version that has all >> of that stuff stripped out to get it to be shippable in a UWP. >> >> >> >> We (Microsoft) don’t really have plans to add this kind of stuff, at >> least not in the near future, but I’d be open to accepting contributions >> that enable this. >> >> >> >> -Jesse >> >> >> >> *From:* mesa-dev <mesa-dev-boun...@lists.freedesktop.org> *On Behalf Of >> *Daniel >> Price >> *Sent:* Monday, June 6, 2022 5:41 AM >> *To:* mesa-dev@lists.freedesktop.org >> *Subject:* [EXTERNAL] Xbox Series S/X UWP >> >> >> >> You don't often get email from riverpr...@hotmail.com. Learn why this is >> important <https://aka.ms/LearnAboutSenderIdentification> >> >> Hi, I was wandering if these two layers would work with UWP on Xbox >> Series Console or if not will there be plans to add support? >> >> >> >> https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14766 >> >> >> >> https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14881 >> >> >> >> Many Thanks >> >> Dan >> >