Anyone using nvidia high resolution down scaling? (DSR)

BobCharlie · May 11, 2015

I remember an emulator having this (might have been Dolphin or something) feature where it'd increase it's internal resolution it was rendering at, but would then downscale that to your actual screen resolution. I seem to remember slightly sharper images, but it was extremely resource-heavy in the emulator.

Anyways, I almost didn't even see it's under the Global Setting which I never adjusted with previous card after initial settings. so it was a rather big surprise to that feature there with the 900 series card.

What is it actually good for? Since it's not under each game setting, is it just for desktop usage? I upped it slightly, but can't really notice anything different, although the EVGA PX 16 skin looks really sharp. How much of a performance hit are guys seeing 2x to 4x?

Alpha3031 · May 11, 2015

NVidia's DSR is just a version of SSAA. It works for games that otherwise don't support AA, but can run at high resolutions.

shadows1234 · May 11, 2015

if you used it and looked you would notice that mostly everygame will not new any AA i also used it but from 1x to 4x and could tell the diffrence but the image does look abit blurry

BobCharlie · May 11, 2015

shadows1234 :

There's a slider below the DSR setting that alters how blurry it'll appear. It states sharper or more blurred. Did that not work for you?

I can't really test it myself at the moment as a new, much larger PSU is arriving today and not wanting to push luck with old unit as it's at it's limit. Didn't think it really had effect in-games as it's only adjustable from the global setting, but apparently not the case.

How bad of a performance impact was there at 4?

shadows1234 · May 11, 2015

BobCharlie :

shadows1234 :

There's a slider below the DSR setting that alters how blurry it'll appear. It states sharper or more blurred. Did that not work for you?

I can't really test it myself at the moment as a new, much larger PSU is arriving today and not wanting to push luck with old unit as it's at it's limit. Didn't think it really had effect in-games as it's only adjustable from the global setting, but apparently not the case.

How bad of a performance impact was there at 4?

i will see if the slider does anything i will post some screenshots

shadows1234 · May 11, 2015

ok i just got done but i dont know a place to upload the screenshots to show

Alpha3031 · May 11, 2015

Upload it to Dropbox or something, and link it using the [img] tag.

17seconds · May 11, 2015

In order to use DSR, you click off every "DSR - Factors" checkbox under the Global Settings tab. Then you go in-game and you should now have resolution settings above your native resolution available. The more boxes you check off, the more in-game resolutions are available. That's why you just check them all off, since they are merely making that resolution available as an in-game setting.

Select a higher resolution and the driver will render the game at the higher resolution and then downscale it back to your screen's native resolution. You should see a significant impact, but also much smoother graphic details. Some games don't appear to work very well, but most that I have tried do.

DSR is a great way to test out whether your rig can handle 4K. It's also a great remedy for the dreaded "CPU bottleneck". Just crank up your DSR and your bottlenecks are gone.

BobCharlie · May 12, 2015

17seconds :

What do you mean "in-game setting becomes available"? Do you have to cycle a keyboard button i.e. keep hitting "F2" for example? Or are you saying nvidia is actually adding an extra in-game adjustment that appears in the game's settings menu? How does that work on older games?

Thanks for mentioning the "tick every box" comment. I noticed when I tried selecting a second box, it kept both "ticked" which I thought was odd. Had no clue you could at least cycle between them in-game.

Really irritating nvidia doesn't spend an extra 5 minutes and add the actual information like that to the description boxes. Usually if a description is vague, I'll assume it doesn't do much. And unless it's a completely vacant description of something completely new, I won't google it or ask about. Thanks again.

shadows1234 · May 12, 2015

hey i got the screenshots for you game used crysis 2 max everything
native res https://www.dropbox.com/sc/ks5gbdi7chn4nm3/AADWl2quHe_jb9JTgB1M72F_a
4k slider down https://www.dropbox.com/sc/f2f2svunu9hv4wd/AAAd0b1vWQtwUXvhNxcEzT6wa
4k slider up https://www.dropbox.com/sc/5u86swsq5fmhf0a/AAD_zmCvQxpEvtNyV7Vt73-aa

shadows1234 · May 12, 2015

BobCharlie :

17seconds :

What do you mean "in-game setting becomes available"? Do you have to cycle a keyboard button i.e. keep hitting "F2" for example? Or are you saying nvidia is actually adding an extra in-game adjustment that appears in the game's settings menu? How does that work on older games?

Thanks for mentioning the "tick every box" comment. I noticed when I tried selecting a second box, it kept both "ticked" which I thought was odd. Had no clue you could at least cycle between them in-game.

Really irritating nvidia doesn't spend an extra 5 minutes and add the actual information like that to the description boxes. Usually if a description is vague, I'll assume it doesn't do much. And unless it's a completely vacant description of something completely new, I won't google it or ask about. Thanks again.

just how you change resolutions in game from its settings is the way to access higher resolutions from dsr

madmatt30 · May 12, 2015

When you enable DSR in nvidia settings there is an extra settings box that lets you enable resolutions all the way upto 4k.
Each one you tick will enable it as a native windows resolution.
You can then select this as a resolution in games I instead of 1920x1080.

BobCharlie · May 12, 2015

shadows1234 :

It's fairly subtle on my screen and hard to tell. Looks a like a tad more depth to trees with your "slider up" image. Huge difference between 4k and native though.

Now that new PSU is installed, I'll have to check it out. Did the slider help you get the better image you wanted? Looks fairly good in the pics.

madmatt30 :

Cool. I'm surprised it can do that.

Anyone try an old game to see if it was still available? Like say a DX9 or couple year old DX10 game? I'm wondering if it's only "available" as a selection in newer games where the devs enabled the detection, meaning older games it can't be adjusted as the game as no way on recognizing it?

Alpha3031 · May 12, 2015

As long as the game supports the higher resolution, it will work. It doesn't require any in game AA support, which is why it's so good. "Normal" SSAA is actually theoretically superior, because it is usually implemented in a rotated grid/pseudorandom sample locations, which does vertical and horizontal edges better.

BobCharlie · May 12, 2015

I just found another excellent purpose for DSR. I noticed youtube finally started allowing higher than 1080p playback not too long ago. I tried 1440p once even though my TV is 1080p. No dice, which I figured as much. It wouldn't play until I lowered it. While in the DSR settings earlier, I ticked off everything as suggested but haven't had a chance to test it as I'm doing other things. Anyways, pulled a youtube video up for something I'm looking into and noticed the guy had 1440p available. Went ahead to try it again and it paused for second, which I thought I was going to be the big freeze up, but then all of a sudden the blurry at 1080p video magically transformed to perfectly clear text and 1440p was playing

Excellent feature! Didn't realize it'd work for video streams.

shadows1234 · May 12, 2015

BobCharlie :

shadows1234 :

It's fairly subtle on my screen and hard to tell. Looks a like a tad more depth to trees with your "slider up" image. Huge difference between 4k and native though.

Now that new PSU is installed, I'll have to check it out. Did the slider help you get the better image you wanted? Looks fairly good in the pics.

madmatt30 :

Cool. I'm surprised it can do that.

Anyone try an old game to see if it was still available? Like say a DX9 or couple year old DX10 game? I'm wondering if it's only "available" as a selection in newer games where the devs enabled the detection, meaning older games it can't be adjusted as the game as no way on recognizing it?

to see them better download them and view them on windows give you a better view of them and the slider does help a bit but not much with the slider all the way up i dropped 10 fps to 15-fps getting to this part

shadows1234 · May 12, 2015

BobCharlie :

you can view 1440p and 4k on youtube without dsr to get the full experience must watch on a native res screen that matches it

shadows1234 · May 12, 2015

also dsr works almost on every game on my library newer games will see the difference the most games i have tried cod 4 ,cod waw battlefield bad company 2 , borderlands all 3, skyrim, sonic generations and more

madmatt30 · May 12, 2015

Any game that supports wide screen resolutions & has a resolution select tab in settings will use it.
Enabling the res in nvidia settings enables it as a native windows resolution.
Windows can't distinguish it being a DSR(fake) red so games certainly can't.

You can even set a 4k resolution on the windows desktop on a 1080p screen - I wouldn't recommend it though as you won't be able to read anything at all

Alpha3031 · May 12, 2015

Basically, it was the same thing many of us were doing (setting a higher resolution manually thru driver), except now it has official driver support.

Anyone using nvidia high resolution down scaling? (DSR)

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