Windows 10: Auto HDR

/u/Sidious_X · Jun 16, 2021

Hey all, does anybody know how long Windows Insider features take to come as a normal update? I'm especially interested in Auto HDR, I see it made its appearance in March.

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:)

heineoen · Jun 16, 2021

Auto HDR for N8

AUTO HDR is a must have for this camera

jake20---01 · Jun 16, 2021

Auto HDR for N8

i would like to know this as well.. as AUTO HDR is a must have for this camera

Brink · Jun 16, 2021

Auto HDR preview for Windows 10 PC gaming available today

Bigger. Bolder. Brighter. High dynamic range (HDR) offers the most impressive improvement to the visual experience in recent history. HDR unlocks an entirely new range of colors with more intensity than standard monitors, making games come to life like never before. In November 2020, the Xbox Series X|S consoles launched with the Auto HDR feature which automatically upgrades your backwards compatible games from SDR to HDR to take advantage of this amazing display innovation and provide a richer visual experience even on already-released games.

Today we’re excited to bring you a preview of Auto HDR for your PC gaming experience and we’re looking for your help to test it out. Jump to the How to Enable Auto HDR section to get started! When enabled on your HDR capable gaming PC, you will automatically get awesome HDR visuals on an additional 1000+ DirectX 11 and DirectX 12 games!

What is Auto HDR and What Does it do for My Game?

HDR is a video/imaging technique where the lights and darks in a digitally reproduced scene can be shown with more detail than before. In video games, the increased range of color and luminance of HDR enables a more immersive, realistic experience. You’ll be able to see the details of haunting movement in dark shadows rather than just black. The bright sun will be a more radiant, warm yellow rather than a flat saturated white, but unless the game is displaying on your monitor with that improved dynamic range, you won’t get the benefits of a more immersive experience even if you have an HDR capable monitor.

While some game studios develop for HDR gaming PCs by mastering their game natively for HDR, Auto HDR for PC will take DirectX 11 or DirectX 12 SDR-only games and intelligently expand the color/brightness range up to HDR. It’s a seamless platform feature that will give you an amazing new gaming experience that takes full advantage of your HDR monitor’s capabilities. The Auto in the title implies how easy it is for you to enable the feature; a simple settings toggle flip will let you turn the feature on and off.

Let’s take a look at a visual example of how SDR, Auto HDR and native HDR implementations compare. Gears 5 has a fantastic mastered-for-HDR native implementation which makes it a perfect candidate for demonstration purposes showing that while native, game-studio implemented HDR is the best quality experience, for games that don’t have a native implementation, Auto HDR still brings you a vastly improved experience over regular SDR.

Figure 1: Luminance heatmap showing SDR, Auto HDR and Native HDR

The left side is running in SDR, the middle running in Auto HDR, and the right side running in Gears 5’s amazing native HDR. Grayscale is used to represent all the areas of the scene which can be fully represented by traditional SDR displays while the rainbow colors show areas which are only displayable on HDR capable displays.

Notice on the middle and right-side images that the highlights on the goggles and helmet show an increased amount of detail. HDR and Auto HDR are not just about boosting brightness but really about emphasizing the details in a scene leveraging the increased range: darkening shadows and illuminating highlights. Looking at Auto HDR and native HDR, you can see the similarities in how the details in the shadows and highlights are much improved using luminance ranges beyond SDR. SDR simply doesn’t have the ability to show the same range of color and luminance the way native HDR and Auto HDR can.

How to Enable Auto HDR

Getting the Right Hardware

From a PC hardware perspective, if you have an HDR monitor equipped PC, then you’re good to go! If you’re looking to get an HDR monitor to try Auto HDR, we strongly recommend you acquire one that is HDR certified.

Joining the Windows Insider Program

Auto HDR for PC is currently a preview feature only available in the Windows Insider Program (Dev Channel). To experience this feature now, you’ll want to click here to join and get access to build 21337 or above.

Global Feature Toggle

Once part of the Insider Program (Dev Channel), if your PC monitor is already configured to use HDR, you will automatically receive the Auto HDR PC gaming experience. Otherwise, to explicitly enable/disable Auto HDR, look no further than the Windows HD Color Settings page.

Enabling

Open Settings then go to System->Display

Click the Windows HD Color Settings link

Scroll down and make sure that the Use HDR toggle is On

Keep scrolling and you will find the Auto HDR toggle. Flip this to On as well and that’s it. It’s that simple.

Disabling

Open Settings then go to System->Display

Click the Windows HD Color Settings link

Scroll down and you will find the Auto HDR toggle. Flip this to Off.

Splitscreen mode!

Want to see how awesome your 1000 nit HDR monitor looks when displaying Auto HDR content? Well, we have a cool little “only for development and evaluation” secret feature for you! You can enable a splitscreen mode where the left side shows the original SDR content and the right side shows the Auto HDR upgraded content.

This is only for advanced users but if you want to give it a go, here’s how:

Open an admin command prompt

To enable splitscreen, run the following command:

reg add HKLM\SYSTEM\CurrentControlSet\Control\GraphicsDrivers /v AutoHDR.ScreenSplit /t REG_DWORD /d 1

To disable splitscreen, run the following command:

reg delete HKLM\SYSTEM\CurrentControlSet\Control\GraphicsDrivers /v AutoHDR.ScreenSplit /f

Feedback is welcome!

Auto HDR for PC is in preview and we’re on a journey to continually improve it with you. For example, we haven’t yet enabled Auto HDR on all top DX11/DX12 titles since some are hard to identify as Auto HDR eligible; we also think turning on HDR just for gaming is harder than it should be. We’re already working on fixing those issues, optimizing performance, and even adding customizability to your experience. While Auto HDR does take some GPU compute power to implement, we don’t expect it to significantly impact your gaming experience. However, if you notice significant issues in your gaming experience or find one of your favorite DX11/DX12 titles doesn’t work yet, please let us know through the feedback hub app.

When you file feedback, select Category: Gaming and Xbox with the Subcategory: Game Performance and Compatibility, and make sure to include the words Auto HDR in the title or description when you provide feedback so we can more easily find it. To help give good feedback and traces to the team so that we can best help resolve your issues, you can use the instructions here.

If you are loving the feature, let us know as well! Reach out to us via Twitter, Reddit or Discord to get in contact!

We’re super excited for you to get your hands on Auto HDR for PC and look forward to hearing your feedback. If you have cool ideas on additional Auto HDR related features you’d like to see, we’d love to hear about them.
Happy Gaming!
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Source: https://devblogs.microsoft.com/direc...ailable-today/

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