Auto adjust emulated FPS

[GuilhermeGS2]

(06-20-2017 03:11 AM)Asferot Wrote:  

(06-20-2017 12:17 AM)GuilhermeGS2 Wrote:  But it's not only on NFS, that's just an example, also happens to other games I tested. I don't think it's a game feature, I never heard about games with "unlocked" FPS on consoles, the games are whole made to run on a certain framerate in any situation with minimal drops. To prevent great drops, some PSP games that run on 60 FPS at 333MHz are locked to 30 FPS when running at 222MHz, it's just a 50% overclock to 100% FPS increase.

If what you said was the way it works, I believe God of War Chains of Olympus should be one of these games, because in some scenario the FPS eventually drops to 40-45 even on a powerful PC, to fix this you must overclock the internal CPU to a higher values like 444MHz. If this game really had dinamic FPS as you say, on slower CPU system the FPS should automaticly be reduced, like happens on Dolphin.

When the game is running on the emulator, it acts like it was on actual console, that's why the game won't atomatcally change the FPS dependending on your system CPU, because the only CPU that matter for it is the virtual console CPU, and if not changed, it'll always run on defaut speed. I would say not the game FPS, but the internal CPU of emulator has a dinamic speed that changes according to system requirements. If that's not what happens to Dolphin, would be a interesting feature for PPSSPP.

Its not as simple as "To prevent great drops, some PSP games that run on 60 FPS at 333MHz are locked to 30 FPS when running at 222MHz, it's just a 50% overclock to 100% FPS increase."

The games are coded like that, meaning that on 222 Mhz they can actually run unstable 60 FPS, but they clamp it to 30, so it is smooth. it really is not "50% overclock to 100% FPS increase" Also. God of War is coded trough ass, as far as I remember. I could be wrong.

But yea, it is a game thing NOT emulator thing.

That's exactly what I mean by "to prevent great drops the FPS is locked to 30". Techinically, 222MHz clock could run with better framerate than 30 FPS, if 333MHz can run stable 60 FPS, 222MHz could run with about 40 FPS if we had unlocked FPS. Remembering it's a special case that depends only on the CPU speed, there's no GPU limitation.

What I mean by "50% overclock for 100% FPS increase" is that if 30 FPS was really the limit of 222MHz, a 50% overclock would increase only about 50% the FPS, not 100%. Of course, the game running at 30 FPS 222MHz uses less the max CPU power than 60 FPS 333MHz.