I made a tool for applying 3D LUTs to the Windows desktop

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  • #32662

    dogelition
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    As far as I understand, there is currently no way in Windows to use a monitor in its full wide gamut, and not have over-saturated colors on desktop, and most non-color-managed apps such as games, browsers.

    Well, almost. You can achieve this by enabling HDR in Windows (assuming your monitor supports it), but that comes with its own set of issues, and I’m not sure how/if you can use an ICC profile to get accurate colors in HDR.

    If I choose to remain exclusively in sRGB, should I use your tool “novideo_srgb” to clamp to sRGB, then run calibration, and apply a 3DLUT? How would that work?

    No point in using both at the same time. If you just want a global sRGB clamp + VCGT calibration, use novideo_srgb and then create an ICC profile in that state. If you want accurate colors everywhere at the cost of increased GPU utilization, use dwm_lut.

    #32739

    district9prawn
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    Hello well done on creating this tool! I just gave it a try and it seems to work well even for hdr. While the results for hdr are not perfect due to whatever the monitor’s hdr mode is doing internally it is certainly a big improvement and makes my monitor’s hdr mode a lot more usable.

    Applying the 3dlut also improves the accuracy of the windows desktop in hdr, pointless as it is.

    #32741

    RenaT
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    Hello! I get such a mistake. Has anyone encountered this? I have windows 11

    “Failed to load or initialize DLL. This probably means that a LUT file is malformed or that DWM got updated.”

    #32743

    nelldrip
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    Hi, I made a tutorial for calibrate Windows 10 HDR mode with 3D LUT via your DWMLUT.

    If it’s helpful for Windows HDR mode, I am very glad.

    #32744

    dogelition
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    Hello! I get such a mistake. Has anyone encountered this? I have windows 11

    “Failed to load or initialize DLL. This probably means that a LUT file is malformed or that DWM got updated.”

    Are you on an insider build or something? I just installed all available updates on my Windows 11 VM, and it still works. The LUT file(s) should be good, assuming you used DisplayCAL to generate them.

    Hi, I made a tutorial for calibrate Windows 10 HDR mode with 3D LUT via your DWMLUT.

    Nice, thank you!

    #32760

    RenaT
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    Insider, Build 22471. Okay, I’ll try

    #32776

    Raj S
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    This feature would be a great addition to DisplayCAL’s Profile Loader. AFAIK, no other calibration software offers the ability to inject 3D LUTs into the Windows desktop. You could get accurate colors EVERYWHERE and for FREE! This could be a standout feature.

    Although I doubt this will happen. Florian seems to be missing (for now) and DisplayCAL’s last update was in Dec 2019.

    #32777

    Vincent
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    You could get accurate colors EVERYWHERE and for FREE! This could be a standout feature.

    There is a missing step, you need to setup as default display profile the colorspace you are simulating (assuming high 9x%  coverage), otherwise that “everywhere” won’t hold (color managed apps)

    #32785

    Raj S
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    You could get accurate colors EVERYWHERE and for FREE! This could be a standout feature.

    There is a missing step, you need to setup as default display profile the colorspace you are simulating (assuming high 9x%  coverage), otherwise that “everywhere” won’t hold (color managed apps)

    DisplayCAL profile loader could be advanced enough to do this automatically. If the 3D LUT functionality is enabled, set the display profile to SRGB (or other simulated colorspace profile).

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