VRAM usage doubles when HDR is enabled.

[Johnwikix]

Describe the bug

VRAM usage doubles when HDR is enabled.This issue was observed on WinUI 3 Gallery 2.9.0.0.

Steps to reproduce the bug

Turn on HDR.

Expected behavior

Given that WinUI currently has no plans to support HDR, VRAM usage should remain unchanged.

Screenshots

No response

NuGet package version

2.0.1

Packaging type

No response

Windows version

Windows 11 version 24H2 LTSC (26100, June Update)

IDE

Other

Additional context

No response

[lauren-ciha]

Thank you for your feedback! Did you see the VRAM usage double just in the WinUI 3 Gallery or other apps as well? When did you first see the usage double?

[Johnwikix]

Every Winui 3 Apps I have observed double VRAM usage including WinUI 3 Gallery 2.9.0.0 , BetterLyrics my app Original Sound HQ Player.First see this on 2026.5.11 when I get my new HDR monitor and turn on HDR in window 11 25h2.