Custom internal resolution as in PCSX2

kirbypuff · (This post was last modified: 03-08-2012, 05:10 AM by kirbypuff.)

Are there any plans to add such a feature to Dolphin? (as in PCSX2)

With GSDX, there are many interesting possibilities like:

[#1] 2x Fractional (e.g. render at 3840x2160 on a 1080p display) Works like 1080p with SSAA. Even a low-end GPU can handle this res easily if the game engine runs at 30fps (most PS2 games fall into this category).

[#2] X = 1x Fractional , Y= 2x Fractional (on a 1080p display, render at 1920x2160) Since the human eye is much more sensitive to the resolution increase in the Y axis, this mode achieves ~95% of the image quality of 2x Fractional with much lower resoure cost.

[#3] X= 1x Fractional, Y= 4x Fractional (on a 1080p display, render at 1920x4320)
Great for Crash Bandicoot games. Awesome image quality and still no problem for a low-end GPU.

* low-end GPU = AMD Llano APU with HD5550 integrated graphics.

**neobrain** · (This post was last modified: 03-08-2012, 05:19 AM by neobrain.)

No plans. Patches welcome, in case they actually do it right™.

~~etking~~ · 03-08-2012, 12:38 PM #3

In my opinion it would make more sense to introduce a X= 3x Fractional, Y= 2x Fractional 1920x1056 internal resolution for 1080p displays which would not waste performance as 3x internal resolution currently does.

HAR65 · 03-09-2012, 12:04 AM #4

Thank you for this interesting details for pcsx2. I ve never understood the using of costum resolution. I ll give "your" settings a try. Especially the Crash Bandicoot thing sounds very interesting.

**AnyOldName3** · 03-09-2012, 02:31 AM #5

Yeah, until I saw this I thought it was in case you were dumb enough to buy the monitors my school use (one of the directions is a prime number, or at least something really odd). I'd find this useful if I wasn't already at 12FPS.

**NaturalViolence** · 03-10-2012, 01:46 AM #6

Quote:Since the human eye is much more sensitive to the resolution increase in the Y axis, this mode achieves ~95% of the image quality of 2x Fractional with much lower resoure cost.

lol What?

That's just flat out wrong.

**AnyOldName3** · 03-10-2012, 03:01 AM #7

Sure? It seems a sensible way to have evolved seeing as there is nothing that will eat us or that we could catch that is above us, but there is to the sides.

**NaturalViolence** · 03-10-2012, 04:49 AM #8

FOV has nothing to do with resolution. Besides the screen you're looking at only takes up a fraction of your eyes field of view unless your face is 2 inches away from it.

**AnyOldName3** · 03-10-2012, 07:03 AM #9

No, but that doesn't mean that the eyes won't vary in sensitivity in different axis right in front of you. I admit that I may be incorrect as so far I have been too lazy to Google up some evidence. If you give me some evidence then I'll believe you, but until then I shall be sceptical.

kirbypuff · (This post was last modified: 03-10-2012, 09:15 AM by kirbypuff.)

* Wide screen displays (with square pixels) have ~1.7 times less pixels in the Y axis
* Increasing the Y resolution has a higher effect on improving the quality of the details in the distance, while increasing the X resolution has a higher effect on the panorama.
* Eye sensitivity is nonlinear - eyes are more sensitive near the center of the FOV
* Two eyes doesn't mean 2x wider FOV in the X-axis (there's quite a bit of overlap)
* In 1st person and 3rd person 3D games, 'scrolling' is mostly in the Y-axis (the automatic camera almost always centers behind the main character) so higher dynamic resolution in the Y-axis helps more.