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I'm surprised that people aren't finding the image quality impressive with this app. To me it looks stunning with the config I'm using and is almost as crisp as a DSL.
Miles better than the standard Nintendo offering which was borderline unplayable. With this and the custom Gamma config on OAF you can get some amazing BC and image quality on 3DS.
Thanks @Sono Also I'm wondering if it would be possible to add in something like the zfast CRT filter? I really like the way it looks on a TV for retro and may not be needed on such a small screen/native resolution. Just wondering.
Miles better than the standard Nintendo offering which was borderline unplayable. With this and the custom Gamma config on OAF you can get some amazing BC and image quality on 3DS.
Thanks @Sono Also I'm wondering if it would be possible to add in something like the zfast CRT filter? I really like the way it looks on a TV for retro and may not be needed on such a small screen/native resolution. Just wondering.
@guitarburger Is your R key broken?
You managed to find a debug feature which only shows up if you hold R.
Into Nintendo's code? No.
Into my code? Possibly, although I'm really slim on cycles if the CPU has to do the upscaling. I have 48 cycles per *input* pixel in DS(i) mode, and 64 cycles in GBA mode, which is not a lot for upscaling...
Also it will *have to* add a lag frame (that is, one frame of delay to output), because the framebuffer is rotated, and it's much easier on the CPU to upscale an already rotated framebuffer, but it takes a whole frame to rotate the framebuffer, so I can't do much about that.
You managed to find a debug feature which only shows up if you hold R.
Into Nintendo's code? No.
Into my code? Possibly, although I'm really slim on cycles if the CPU has to do the upscaling. I have 48 cycles per *input* pixel in DS(i) mode, and 64 cycles in GBA mode, which is not a lot for upscaling...
Also it will *have to* add a lag frame (that is, one frame of delay to output), because the framebuffer is rotated, and it's much easier on the CPU to upscale an already rotated framebuffer, but it takes a whole frame to rotate the framebuffer, so I can't do much about that.
Thanks for the insight. I'm happy with it as it is, just wondering how much room there is. Zfast CRT is the best looking shader I've ever seen for 16 bit:
Looks just like a real TV did. Would be nice to get that on 3DS but doesn't really matter as it looks great anyway.
Looks just like a real TV did. Would be nice to get that on 3DS but doesn't really matter as it looks great anyway.
I remember hearing years back that this could theoretically be used to improve the GBA image quality. Is something like this still in the cards, or is it one of those cases where the problem is too hard and there isn't enough knowledge/manpower to do something like this?
Well don't expect it to be in TWPatch. There are multiple layers of graphics drivers, and both software and hardware bugs make it impossible to embed mode800 into Nintendo's code.
Other than that, I still need to figure out the correct DMA chain for scanline tripling, preferably without using the GPU at all.
The idea is to have the image rotated, then scaling it "vertically", then once that upscaling is done, do three DMA chains to copy that upscaled image to the framebuffer three times in such a way, so that the scanlines align up, and it's integer scaling.
I don't know if the programmable DMA controller is even capable of this feature, hopefully it is, otherwise I'd have to write a GPU driver to use this feature, which I want to avoid, as the GPU hangs at basically anything you throw at it wrong.
You are indeed correct!
I hope you're glad there's actually no problems with your software at all.
I'm so sorry in advance for my absolute noobery, but I've been sifting through dozens of pages of this thread and I can't find a clear guide to just patching TW and playing DS games with the filters.
Is it as simple as installing TWPatch.cia through FBI and that's it? Do I need to configure, move, or update anything, or NOT do anything? Thanks for any help - I have zero hacking experience, so I'm just trying to find a clear guide to this.
Is it as simple as installing TWPatch.cia through FBI and that's it? Do I need to configure, move, or update anything, or NOT do anything? Thanks for any help - I have zero hacking experience, so I'm just trying to find a clear guide to this.
https://gbatemp.net/download/twpatch.37400/
Hold Y when opening TWPatcher.
You have to open TWPatcher, select the filter with DPAD, and press START.
If you didn't configure Luma3DS, power off your 3DS, hold down SELECT, keep holding it, then power on your 3DS. Once the screen turns on, release SELECT, and enable patching and module loading. Press START to save.
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