Originally posted by lucrus
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Reverse Engineering, Open-Source Driver Writing Continues For Apple's M1 GPU
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Originally posted by abott View Post
And I'll never be "well behaved" when all I do is call out completely moronic posts for how stupid they are usually.
Have a nice day.Last edited by lucrus; 02 October 2021, 05:14 PM.
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Originally posted by lucrus View Post
And you have no idea about how to be well behaved.
And I'll never be "well behaved" when all I do is call out completely moronic posts for how stupid they are usually.
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Originally posted by OneTimeShot View PostNo.... but they decided to require signed firmware, and I don't think that was targeted at any other project. It's not like Nvidia charge for their closed source drivers.
We also use signed firmware but we provide it under a custom license specifically written to allow redistribution in the Linux ecosystem.
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Originally posted by kieffer View Post
I am an user of both Apple and Nvidia hardware and a fanboy of none of them ... what I can tell, is that the CPU part of the M1 is behaving very well: It is the first time (for a couple of decades) a processor is able to exploit its 2 memory channels *at their full capacity* with a single core/thread ! Caches are pretty large in those chips, especially the L1. To me it is an achievement which justifies the single-thread programming style of the Apple ecosystem.
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Originally posted by Charlie68 View PostI don't think Nvidia threw Molotov cocktails at Nouveau developers.
Apple probably don't care if Linux supports their stuff or not. In the same way as they don't care if Windows supports their stuff. The progress that will be made by the Apple GPU driver (a fairly niche GPU choice for Linux) will only serve to show just how much Nvidia (the dominant GPU choice for users generally) is hindering Nouveau.
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Originally posted by iskra32 View Post
Obviously yes, but thats not my point. My point is that in 2021 the primary thing limiting Nouveau is Nvidia deliberately stonewalling the project rather than just investing zero effort in FOSS like most companies, which puts Nvidia a league above Broadcom, Mali, Vivante and from what we know Apple in terms of being scum. It also means that the AGX driver has the chance to suck less than nouveau.
I don't think Nvidia threw Molotov cocktails at Nouveau developers.
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Originally posted by Danny3 View PostSo happy and proud that I have never been an Apple customer !
As I am now by not being a Nvidia customer anymore.
IMO, these companies are not to blame, but their users who enable them by giving them money to sit in a cage.
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Originally posted by computerquip View Post
Vulkan is (at its core) lower-level and also more extensible than Metal. You can probably implement Metal with Vulkan. However, since Apple doesn't support Vulkan, what's ended up occurring is a scenario where we need Vulkan over Metal. Sooo, we ended up with an initiative for a particular subset of Vulkan called "Vulkan Portability" that's designed to be implemented over things like Metal. We don't get the full Vulkan API, and we don't even get a very conformant API either. The core extension provided by the Vulkan Portability initiative is VK_KHR_portability_subset which allows you to identify differences in the implementation caused by being forced to implement over something like Metal (or D3D12 for that matter).
The implementation of Vulkan which includes support for VK_KHR_portability_subset and is based on Metal is called MoltenVK.
Note that MoltenVK is just an API translation layer so just because MoltenVK cannot implement some functionality on Metal (because their simply isn't an equivalent API call in Metal) doesn't mean that on the hardware level Apple's integrated GPU cannot implement such functionality.
In any case from what I have heard, Vulkan is so similar to Metal that a lot of game developers consider it a trivial translation so I can understand not implementing Vulkan/Metal because on familiarity of such API's but using the reason that Vulkan is too different to Metal doesn't seem to hold much water.
Also doing a good/performant implementation is likely going to be much easier in Vulkan than OpenGL. Vulkan being low level here is a real advantage because you don't have to implement some over complex high levle API that does a huge amount of magic/trickery behind the scenes.Last edited by mdedetrich; 16 September 2021, 11:02 AM.
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For those who are interested in all the reverse engineering work for M1:
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