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inner-G

Banned
Oct 27, 2017
14,473
PNW
Basically there are 2 approaches

1st Approach is that the game runs full screen exclusive, it takes full control over the video output. This works really well.

The 2nd approach is that you can advantage of the various desktop composition features that windows now offers. The desktop becomes the thing in control of the video output (which is why you switch it to HDR) , any HDR content that will be sitting on the desktop will look correct.
Anything that isn't HDR in either windowed or Borderless windowed may suffer ,because the SDR video standards that games and programs are made for are fundamentally different to HDR and the display treats it differently.


If you are running into issues with HDR disabling full screen optimisations either globally or for the .exe you are running.
For whatever reason, when I set manual HDR desktop mode, everything looks off unless I set my colors to YUV422 manually in the nvidia control panel (Samsung TV)
 

Nezacant

"This guy are sick"
Member
Oct 27, 2017
2,086
Yes exactly.

There is also a relationship between DX12 and UWP and HDR too. Are all UWP games DX12?
I think they certainly try to be. I remember the selling point of the steam version Quantum Break being DirectX 11 availability which apparently ran much better than it's MS Store DX12 version.
 

EvilBoris

Prophet of Truth - HDTVtest
Verified
Oct 29, 2017
16,695
For whatever reason, when I set manual HDR desktop mode, everything looks off unless I set my colors to YUV422 manually in the nvidia control panel (Samsung TV)

The colour space setting on the TV might not be identifying the correct one, that setting can really rearrange the colours.
I think they certainly try to be. I remember the selling point of the steam version Quantum Break being DirectX 11 availability which apparently ran much better than it's MS Store DX12 version.

I know that DX12 is exclusive to UWP games, but I wasn't sure if all UWP games were DX12 because of stuff like this.
 

liquidmetal14

Banned
Oct 25, 2017
2,094
Florida
HDR is weird on PC but I can say that on my 70"LG 4k TV, it looks good other than when you already tab tab out or something disrupts the main gaming sjbdos, it kind of break the sound of games like Ni no Kuni 2. And yeah, I tried that HDR setting in Windows for a while and it annoyed me so much even after adjusting the slider up for brightness so I turned it off.

I'm sure it will get better but as long as you're not alt-tabbing out all the time and the TV doesn't have to adjust to HDR and SDR then you're fine. I just want it to not be so odd when transition between HDR and SDR content.
 

Korezo

Banned
Oct 25, 2017
1,145
With the latest Nvidia driver update HDR is even worst for me now, before I had washed out colors but now the entire screen turns green.... wtf. Why is FFXV the only game that works properly with HDR! Every other game is green now.
 

Freddo

Member
Oct 27, 2017
1,639
Småland, Sweden
PCs been behind consoles when it comes to certain things. Still remember when Xbox games were shipped on one DVD disc and then the PC version was like 5 CDs :P
 

JahIthBer

Member
Jan 27, 2018
10,399
With the latest Nvidia driver update HDR is even worst for me now, before I had washed out colors but now the entire screen turns green.... wtf. Why is FFXV the only game that works properly with HDR! Every other game is green now.
Nvidia & Green makes sense to me, seems to be working as intended.
 

CrichtonKicks

Member
Oct 25, 2017
11,262
Question about 4K/60 and HDR- am I reading it correctly that there are bandwith issues preventing this in many situations? I'm currently playing on a 1070 so I can't do 4K/60 anyway in any game new enough to include HDR. But I'm moving to at least a 1080 Ti shortly so 4K/60 in some recent games will be on the table. Will I still be able to get HDR as well?
 

Lashley

<<Tag Here>>
Member
Oct 25, 2017
60,233
Question about 4K/60 and HDR- am I reading it correctly that there are bandwith issues preventing this in many situations? I'm currently playing on a 1070 so I can't do 4K/60 anyway in any game new enough to include HDR. But I'm moving to at least a 1080 Ti shortly so 4K/60 in some recent games will be on the table. Will I still be able to get HDR as well?
Should be fine, HDR causes a performance hit for some reason though, something the 2080/2080ti apparently prevents.
 

EvilBoris

Prophet of Truth - HDTVtest
Verified
Oct 29, 2017
16,695
Question about 4K/60 and HDR- am I reading it correctly that there are bandwith issues preventing this in many situations? I'm currently playing on a 1070 so I can't do 4K/60 anyway in any game new enough to include HDR. But I'm moving to at least a 1080 Ti shortly so 4K/60 in some recent games will be on the table. Will I still be able to get HDR as well?

There is not enough bandwidth with the current versions of HDMI to carry 4k/60+ with RGB , so the default behaviour to is to switch to YUV422.
This is how the consoles do it.


If you are using displayport, then that can go higher, however the real world difference beteween RGB 420 422 444 and YUV 422 on game and movie content is negligable. Even Blu Ray Movies are encoded in YUV422 by default and have been for years.
 

CrichtonKicks

Member
Oct 25, 2017
11,262
There is not enough bandwidth with the current versions of HDMI to carry 4k/60+ with RGB , so the default behaviour to is to switch to YUV422.
This is how the consoles do it.


If you are using displayport, then that can go higher, however the real world difference beteween RGB 420 422 444 and YUV 422 on game and movie content is negligable. Even Blu Ray Movies are encoded in YUV422 by default and have been for years.

I'm using HDMI. Does Windows not automatically handle the switch? I assume I will need to go into Nvidia settings and change it there.
 

UnNamed

Banned
Oct 27, 2017
616
For some reason, HDR on my laptop with a 1070 didn't work till now, Advance setting panel said it wasn't supported but things changed lately, that's why I wasn't able to try FFXV demo back in the day.

I tried with Forza Horizon 4 with my Samsung and I find it surprisely good, maybe the best I've seen. The only issue is SDR with HDR enable creates washed images and some ghosting on white objects, the same as PS4 HDR games but worse. I suppose it's because HDR on HDMI2 only support 4:2:0 color compression.
 

Linus815

Member
Oct 29, 2017
19,939
FH4 HDR is bugged for me, if I have my desktop set to 4k, HDR simply doesn't work ingame at 4k, only at lower resolutions. A very few times when I restarted, I managed to get HDR at 4k, but the game looked like a washed out mess.

....but if I set my desktop to 1080p, then 4k will work ingame with HDR enabled on top of it, with no issues.
 

EvilBoris

Prophet of Truth - HDTVtest
Verified
Oct 29, 2017
16,695
I can add to the PC HDR so bad woe.

New Surface Book 2 ha 2 GPUs

Both normally support HDR, the nvidia device is a render only device, so I have no control over it and the intel 620 which routes the output to the display and external devices, should, but apparently doesn't according to DXDIAG.
 

Terbinator

Member
Oct 29, 2017
10,296
FH4 HDR is bugged for me, if I have my desktop set to 4k, HDR simply doesn't work ingame at 4k, only at lower resolutions. A very few times when I restarted, I managed to get HDR at 4k, but the game looked like a washed out mess.

....but if I set my desktop to 1080p, then 4k will work ingame with HDR enabled on top of it, with no issues.
Is this not a bandwidth issue if it's activating at lower resolutions?
 

Linus815

Member
Oct 29, 2017
19,939
Is this not a bandwidth issue if it's activating at lower resolutions?

Sure, it might be - but I'm not sure why changing the desktop resolution suddenly makes it "okay" in the game. Surely the two things should be independent from eachother? Althoguh who knows with UWP.
I've seen some other people complain about it too, so I assume it's not a unique problem. I guess when I'm not lazy I'll try to change a few settings in the nvidia options. I have everything on default.
 

Waikipedia

Member
Oct 26, 2017
126
I can add to the PC HDR so bad woe.

New Surface Book 2 ha 2 GPUs

Both normally support HDR, the nvidia device is a render only device, so I have no control over it and the intel 620 which routes the output to the display and external devices, should, but apparently doesn't according to DXDIAG.

Unrelated..
Evil, have you tried playing around with special K's hdr mod for games that dont support it?
 

dgrdsv

Member
Oct 25, 2017
11,965
Sure, it might be - but I'm not sure why changing the desktop resolution suddenly makes it "okay" in the game.
The game might be setting the output to 4K+4:2:2 by itself while if you set the desktop to 4K manually then it's RGB 4:4:4 and the game is forced to run in this res. UWP is crap, yeah.
 

ss_lemonade

Member
Oct 27, 2017
6,693
I noticed that non native resolutions + hdr + exclusive fullscreen now display in fullscreen. Was it from a Windows update?

FH4 HDR is bugged for me, if I have my desktop set to 4k, HDR simply doesn't work ingame at 4k, only at lower resolutions. A very few times when I restarted, I managed to get HDR at 4k, but the game looked like a washed out mess.

....but if I set my desktop to 1080p, then 4k will work ingame with HDR enabled on top of it, with no issues.
HDR won't even activate for me on the demo if I have Transparency AA set on the nvidia control panel. Either that, or it just randomly won't work.
 

Creepy Woody

Member
Nov 11, 2017
2,629
Australia
It seems complicated for me on console/ tv too. I set HDR up and it looks dull and grey. My TV is a Sony x900e. Both on PS4 and Xbox it looks terrible. I got them on the right HDMI 2/3 ports. I tried all the HDR settings on the tv, consoles, in game, hours fiddling, nothing. Tried Recommended settings from tv specialists on Youtube. Nope.

Said fuck HDR, at least SDR looks really nice, better than the borked dull grey I got. In general the colours are so much nicer than my old tv anyway.
 
Last edited:

Kyle Cross

Member
Oct 25, 2017
8,466
The newest Windows update seems to have expanded the HDR options. Mainly seems to be they added some calibration images/videos inside the HDR settings in display settings. Sadly still no automation to YUV422 10bit.
 

SuzanoSho

Member
Dec 25, 2017
1,466
I was just messing around with HDR on my PC earlier, upon finding out that Shadow of the Tomb Raider requires it to be enabled in Windows (ugh)...

Highlighted an interesting problem for me, I noticed that the 4K HDR videos YouTube seem to stutter/buffer ALOT when I play them... I'm gonna eventually try it with my Display port cord and see if that fixes the issue, but does this occur with anyone else?...
 

SirMossyBloke

Member
Oct 26, 2017
5,855
I was just messing around with HDR on my PC earlier, upon finding out that Shadow of the Tomb Raider requires it to be enabled in Windows (ugh)...

Highlighted an interesting problem for me, I noticed that the 4K HDR videos YouTube seem to stutter/buffer ALOT when I play them... I'm gonna eventually try it with my Display port cord and see if that fixes the issue, but does this occur with anyone else?...

I think thats a Chrome issue. Happens to me too when its a 4k/hdr/60fps video. My internet is plenty fast enough, but it uses 100% of my cpu.
 

StreamedHams

Member
Nov 21, 2017
4,343
Highlighted an interesting problem for me, I noticed that the 4K HDR videos YouTube seem to stutter/buffer ALOT when I play them... I'm gonna eventually try it with my Display port cord and see if that fixes the issue, but does this occur with anyone else?...

I've recently noticed a lot of videos stuttering for me as well, in particular many of the DF tech videos. However, I do not have a HDR compatible monitor.
 

Gitaroo

Member
Nov 3, 2017
8,048
Hi, what is the proper way of setting up 10bit color? My current display setting is showing rgb 8bit color. And I suppose to force 4:2:2 10bit color in nvidia driver setting?
 

nikos

Banned
Oct 27, 2017
2,998
New York, NY
HDR on PC is incredible. I've had an HDR TV for years (KS8000) and I didn't really care much about the technology until I recently picked up an Asus PG27UQ monitor. HDR on it is on completely different level.

If we're talking about getting HDR to work seamlessly in Windows, it's a lot better than it used to be. Some games will detect your HDR monitor, others require HDR to be enabled in the Windows Display Settings. There isn't a "set it and forget it" setting for anything these days though.
 

Xx 720

Member
Nov 3, 2017
3,920
if i try to run anthem on my oled it triggers the dolby vision on the set but displays a black picture, not sure why
 

Pharaoh

Unshakable Resolve
Member
Oct 27, 2017
2,677
From my experience, in games that support dedicated Full Screen it works as intended with little to no hassle. The problems start when you have to enable HDR on Windows first.
 

pj-

Banned
Oct 25, 2017
1,659
what are your PC HDR settings in nvidia control panel? can you screenshot for me? does your desktop look washed out when you enable HDR in windows 10?

Everything is default in nvidia control panel. The desktop does not look washed out. Do you have the latest version of windows 10? I
 

EvilBoris

Prophet of Truth - HDTVtest
Verified
Oct 29, 2017
16,695
And when you say washed out , what do you mean? Gray? Not colourful , screen is dim?

But if I was to say for things to check, make sure you are outputting in 10bit.
Make sure you aren't using any non TV like refresh rates or resolutions. I.e. Stick to 1080p@60hz until you resolve this .
It might be possible to make the PC activate HDR , but for the display to not recognise it as HDR. This would give you a really grey flat , low contrast image, not just different to what you would like but genuinely not right.
Does your display give you any indication that it's receiving an HDR signal?

It's a little more complicated to try and troubleshoot on PC due to there being lots of other variables and configurations that can interfere.