Does f.lux affect DirectX video games?

Question

Does f.lux affect the color temperature of DirectX video games?

I appreciate what it does on the desktop, but I'm not sure if I want it on in a game.

Louis Waweru · Accepted Answer · 2013-02-10T06:22:11.557

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It indeed affects DirectX games. I checked the option to disable it for an hour, and about an hour into a fullscreen game, the color temperature dropped.

I can't demonstrate the effect with screenshots (both of the captures will have the intended temperatures), but I can show it with a camera:

Flux off Flux on

edited Feb 10 '13 at 06:22

answered Sep 09 '12 at 00:35

Louis Waweru

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score 3 · Answer 2 · answered Feb 10 '13 at 06:20

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Easy to find out: set flux to an absurdly low temperature and start a game, it should be obvious.

Result: Yes, it does affect games (as it does movies, even with MadVR)

answered Feb 10 '13 at 06:20

mtone

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score 2 · Answer 3 · edited May 23 '17 at 12:41

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f.lux doesn't affect fullscreen DirectX games. I just tested it on a fullscreen game myself.

Why? I don't know, but it may have to do with the fact that fullscreen DirectX games operate on a different principle than windowed DirectX games. See this post for the technical details.

edited May 23 '17 at 12:41

Community

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answered Feb 10 '13 at 05:47

Jason

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I just tested this again, and it's very clear to me that it does affect fullscreen games. Interestingly, I can't demonstrate it with screenshots, but it would be easy to see with a camera. Which game did you try it in? – Louis Waweru Feb 10 '13 at 06:16
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Starcraft 2 running on Windows 8. In Fullscreen mode, the color temperature goes back to blinding white (I can tell because it burns my eyes). In Windowed mode, there is a *clear* reddish hue. – Jason Feb 10 '13 at 09:51
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I just tried it in SCII and it seems this game is not affected. I guess it depends on the game, but I wonder how. – Louis Waweru Feb 10 '13 at 12:03

score 2 · Answer 4 · edited Feb 23 '15 at 21:43

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It seems to depend on the game. I tested it with a Source engine game (Team Fortress 2 on Win 8.1) and it works with f.lux only in windowed mode, not fullscreen. Borderless windowed should also be a safe bet.

edited Feb 23 '15 at 21:43

Jawa

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answered Feb 23 '15 at 21:15

kaptcha

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score 0 · Answer 5 · answered Jul 06 '16 at 12:05

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This worked for me.

Start the game up (fullscreen mode)
Tab out then restart f.lux while the game is running.
Working! Colour temperature now affects both in-game and desktop mode.

As simple as it is, enjoy it :D

answered Jul 06 '16 at 12:05

Bob

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Does f.lux affect DirectX video games?

5 Answers5