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Recent files - OS4Depot - Your one stop for AmigaOS4 files

 
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balaton
Re: Emotion - Does it work under QEMU?
Posted on: Today 12:22    #21
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@Mlehto
Quote:
Afaik sm501 part on qemu doesnt emulate chip completely, nor I dont know how complete is sm502 driver on amiga or what are hw and amigaos limitations, if any. Lot of moving parts.

QEMU does not emulate the sound part and some other parts but those are probably unused by AmigaOS. It should emulate most what is needed for graphics. One limitation that comes from AmigaOS that it is limited to 16 bit depth with SM502 even on real machines. The chip itself can do 32 bit and it's emulated (works with MorphOS on QEMU too) but AmigaOS can't use that so that's not a QEMU issue. This was discussed long ago and took a while to understand it.
https://qmiga.codeberg.page/
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smarkusg
Re: Emotion - Does it work under QEMU?
Posted on: Today 12:44    #22
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@balaton
If I remember correctly, @MartinW wanted to buy this driver when he was testing the vfio-pci GPU.
It is only available on x1000, x5000 and sam460.
https://amigakit.amiga.store/radeonhd-driver-version-p-1107.html

During the discussion, it was mentioned that it would not work on QEMU PEG2.
Perhaps it has some kind of detection for the machine it is running on, or some optimisations specific to the machines on which it can be used.

The RX card should work on a real AmigaOne with the new driver version. It has not been released publicly.
There was also a thread on this topic. When I find these two topics, I will add links to this message.
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Mlehto
Re: Emotion - Does it work under QEMU?
Posted on: Today 13:30    #23
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@smarkusgQuote:
smarkusg wrote:@balaton

The RX card should work on a real AmigaOne with the new driver version. It has not been released publicly.
There was also a thread on this topic. When I find these two topics, I will add links to this message.


Plese do, if you find them.
Peg2 1GHz G4, 1Gb mem, Radeon 9250
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Mlehto
Re: Emotion - Does it work under QEMU?
Posted on: Today 13:32    #24
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@n3m3

Youre welcome :)
Peg2 1GHz G4, 1Gb mem, Radeon 9250
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Mlehto
Re: Emotion - Does it work under QEMU?
Posted on: Today 13:34    #25
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@balaton

Does qemu emulate sm 502 2d accell ? Yes, it is unused by amiga side (afaik)
Peg2 1GHz G4, 1Gb mem, Radeon 9250
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balaton
Re: Emotion - Does it work under QEMU?
Posted on: Today 13:52    #26
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@Mlehto
Quote:
Does qemu emulate sm 502 2d accell ? Yes, it is unused by amiga side (afaik)

It does emulate 2D and I think at least MorphOS uses it but I don't know if AmigaOS does or if it helps. You could find out by running QEMU with -trace enable="sm501_2d*" and see if it pokes those registers. Also see "qemu-system-ppc -device sm501,help" which has a property: "x-pixman= - Use pixman for: 1: fill, 2: blit, 4: overlap blit (default: 7)". For blits and fills QEMU can either use pixman if available or a fall-back if that fails. On macOS ARM it likely always uses fallback so this does nothing, I don't know about Windows but if it has pixman and on Linux this property can control when to use pixman or fall-back to simple copy. Depending on unknown factors one or the other may be faster so if you're into tweaking things and looking for highest graphics scores in 2DBench then you could try these options. If you do and report here back also include info on what hardware and host OS what settings worked, just reporting benchmark scores without info on what host and what settings were used does not help.
https://qmiga.codeberg.page/
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balaton
Re: Emotion - Does it work under QEMU?
Posted on: Today 13:58    #27
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@smarkusg
Quote:
If I remember correctly, @MartinW wanted to buy this driver when he was testing the vfio-pci GPU.
It is only available on x1000, x5000 and sam460.
https://amigakit.amiga.store/radeonhd-driver-version-p-1107.html

During the discussion, it was mentioned that it would not work on QEMU PEG2.
Perhaps it has some kind of detection for the machine it is running on, or some optimisations specific to the machines on which it can be used.

I think these machines have a DMA engine while amigaone and pegasos2 don't but I don't know if that has anything to do with this (maybe Hans can advise). It may also be a marketing decision so they only sell it for A-Eon machines or only sold for these machines because these have PCIe ports and PCI to PCIe bridges did not work so you could not use it on PCI only machines. This last one is the most likely in my opinion but who knows.

Quote:
The RX card should work on a real AmigaOne with the new driver version. It has not been released publicly.
There was also a thread on this topic. When I find these two topics, I will add links to this message.

I don't remember this. I have no RX driver nor card to test so I did not follow it. I have older cards but no time to test them so I don't know much about those either. But did you test RX cards and confirmed they don't work with the available driver in Enhancer Software? What was the issue with it?
https://qmiga.codeberg.page/
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