On June 6, 2022 21:07:32 Marek Olšák <mar...@gmail.com> wrote:
I'd love to see Mesa used to bring Vulkan to consoles!
Ever heard of Steam Deck? ;)
I have! I've even heard a rumour that a line it two of my code is running
in it. :-P But why not take over ALL the consoles?
--Jason
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:
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
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
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
