Comments (11)
It's proven by SebaRTX on Reddit that Ampere could do FG.
Even if you take the official Nvidia claim that Ada has 2.5x faster OFA (which is quite possibly an edge case where a certain algorithm is tested because on some other algos a 4070ti is 30% faster than 3090ti) a frame's generation takes multiple variables into account. Ampere could increase a 50 fps game upto 80 fps whereas ADA would upto 100.
Thank you for your discovery. I hope this blows in Nvidia's face.
from dlsstweaks.
Further information
It does work in Portal RTX if you copy paste the bin content and replace it with the Portal RTX Prelude, it seems to be tied to the bridge version or something else in dll too.
Tldr : Dll 1.0.1 fg + bridge version from Portal Prelude RTX works
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So is not working???is placebo?
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Nvidia's FG is artificially locked behind the 40 series. It has happened a few times that people found a way to unlock it for all GPUs in some specific games with early FG implementation. Nvidia has apparently patched that out. Nobody has found a universal solution on how to unlock RTX features. Hopefully, someone will eventually, or Nvidia will do so for their FG now that AMD has finally released their alternative.
It would be nice if DLSSTweaks could just do that.
The closest thing that comes to my mind is swapping your VBIOS to the 40 series. But that obviously comes with severe risks.
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I just tried it with my 2070S. My fps did pretty much double, but It doesn't actually feel or look like it doubled. Also tons of screen tearing.
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I can confirm this works in my 2070 super. The frame pacing was messed up at first but if I set Vsync and max frame rate to a little bit less than half my monitor refresh rate in the nvidia control panel everything works as it should. Approximately double the frames and acceptable latency, I feel a little bit cheated by NVIDIA right now.
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Official NVIDIA response:
"Why does it seem like DLSS Frame Generation works on RTX 20 and 30 series GPUs in Portal Prelude RTX?
A: We’ve noticed that some members of the PC gaming community, like Discord Communities before it, have encountered a bug in an old v1.0.1.0 DLSS DLL that falsely appears to generate frames on 20/30-series hardware. There is no DLSS Frame Generation occurring—just raw duplication of existing frames. Frame counters show a higher FPS, but there is no improvement in smoothness or experience. This can be verified by evaluating the duplicated frames using tools like NVIDIA ICAT, or viewing the error message in the Remix logs indicating an error with frame generation.
DLSS frame generation DLLs have since fixed this bug, and NVIDIA will be issuing an update to RTX Remix in the future to prevent further confusion when frame generation is behaving incorrectly."
from dlsstweaks.
This was discussed in the RTX Remix server (presumably the community they referred to). There has been proof posted that it is not working properly. If you join the server, you can look at it here: https://discord.com/channels/1028444667789967381/1028444668918235197/1157485308720455771
When recorded with a capture card, you can indeed see that the frames are just duplicates of previous frames. If you go frame-by-frame, you'll observe that there is no true interpolation. This was done on an RTX 3060 ti in Portal RTX, but was also tested in multiple other Remix games.
from dlsstweaks.
Nope. Just tried it with 3080. Even with high base framerate like 80+ it didn't work. Just jittery duplicated frames. I think that specific hardware acceleration of optical flow for 40x series is what makes it easy for NVIDIA to prevent this to work properly on 30, 20 series cards.
Even remix log says "err: Failed to create DLFG feature: (code: 0xbad00002, info: NVSDK_NGX_Result_FAIL_PlatformError)
err: NGX_VK_EVALUATE_DLSSG failed: (code: 0xbad00005, info: NVSDK_NGX_Result_FAIL_InvalidParameter)"
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Did anybody try this with FSR3 mod ? I wanted to try it in normal Portal RTX, but there is no FG toggle in the menu :(
Does anyone have the old remix files from Portal Prelude to try to enable FG ?
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View this Nukem9/dlssg-to-fsr3#141
As of now you can get it to load but frames will be duplicated / not working properly no interpolation, it's the lack of Vulkan support (fsr 3.0 didnt launch with vulkan support), it can be modded in but the author might not have time for it rn
Need to wait until either he or smb else or AMD adds support in the dll
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