Windows 11 includes support for WDDM 3.0 (display driver model)

Windows 11 WDDM 3.0 update

Windows 11 is coming later this year and the leaked build
apparently includes support for WDDM 3.0 (Windows Display
Driver Model).

In our tests, we observed that the leaked build of Windows 11
adds supports for WDDM 3.0 (Windows Display Driver Model),
which will be required for an improved GUI experience in WSL.
WSL GUI support is 3.0’s key feature that most people will want
(it allows the Linux subsystem to manage its own video RAM
directly, giving a better performance to apps).

For those unaware, Windows 11 is going to be the first version
of Windows to enable support for graphical Linux apps on
Windows desktop. First previewed in 2020, the highly
anticipated feature dubbed “WSLg” is currently available in the
Dev Channel of the Windows Insider program and leaked Windows
11.

WDDM 3.0

Microsoft has been working to improve WSL since its launch in
2016. For Windows Subsystem for Linux, Windows 11’s WDDM
3.0 will also enable support for these two new additions:

  • User mode driver compiled for Linux in the WSL
    package.
  • Host driver mounted in Linux

Apart from WSL improvements, no further details are imparted in
the leaked build as to exactly what this support involves, but
presumably, if you’re planning to install Windows 11 for WDDM
3.0, you’ll also want to grab the new drivers from Nvidia.
That’s because Nvidia 471.11 WHQL driver apparently includes
support for WDDM 3.0.

New GPU settings in Windows 11

In addition to WDDM 3.0, Windows 11 leaked build also includes
new controls for your video cards. For example, Microsoft will
now allow power users to bind a particular graphics card to a
particular program to get better performance.

Right now, Windows lets you switch between performance and
battery efficient modes for GPU, which is useful for 2-in-1s
that have an integrated GPU and low-powered external graphics
processor.

For power users with multiple high-performance GPUs, you can
now bind one of those dedicated GPUs to a particular
application for high performance uses cases. This can be done
from Settings > System > Display > Graphics settings.

Or you can also configure the feature by visiting Settings >
Gaming > Graphics settings.

Windows GPU settings

Once selected, apps that ask for a high-performance GPU will
automatically use the GPU specified by you on the above page.

Windows 11 graphics settings

If you want more control, you can also use a new feature called
“Specific GPU” to specify GPU for each app.

Specific GPU

On supported hardware, the “Specific GPU” setting allows users
to choose a particular GPU that may perform better in a game or
program.

In addition to the new GPU features, the next generation
of Windows
will also improve multi-monitor setups with support
for new controls in the Settings app.

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