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Freeman [soylentnews.org] writes:

https://arstechnica.com/apple/2023/06/apple-has-a-proton-like-game-porting-toolkit-for-getting-windows-games-on-mac/ [arstechnica.com]

There was so much packed into Apple's WWDC presentation Monday [arstechnica.com] that it's hard to believe there are still major pieces of it left to uncover. And yet, as part of a developer presentation, Apple has quietly announced what could be major news for PC games on Mac hardware—its own SteamOS-like Windows compatibility initiative, but for millions of Apple Silicon Macs instead of Steam Decks.

"Bring your game to Mac [apple.com]" is laid out over three videos covering a game controller guide [apple.com], a Game Porting Toolkit [apple.com] (Apple developers only), and a converter for making games' shaders [wikipedia.org] work with Apple's Metal hardware acceleration API. Apple claims you "have everything you need to deliver an amazing gaming experience" with Apple-Silicon-based Macs and that its toolkit provides "an emulation environment to run your existing, unmodified Windows game."
[...]
At the core of Apple's Game Porting Toolkit is CodeWeavers' open source code for CrossOver [codeweavers.com]. CodeWeavers writes on its site that the company is "ecstatic" [codeweavers.com] that Apple "is recognizing that Wine is a fantastic solution for running Windows games on MacOS." CodeWeavers "did not work with Apple on this tool, but we would be delighted to work with any game developers" who want to work with the company's PortJump team to refine their Windows-to-Mac translation.

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