Portal 2 Sees A Vulkan Renderer Added Via DXVK
Written by Michael Larabel in Valve on 19 February 2021 at 06:16 AM EST. 21 Comments
VALVE --
Portal 2, Valve's puzzle platform game that has been around for a decade already, is now seeing Vulkan rendering support added by leveraging DXVK.

Portal 2 to date has supported OpenGL on Linux while Direct3D 9 has been available on Windows for this Source Engine game. Now though Valve is introducing Vulkan support not by moving to a newer version of the Source Engine but in integrating DXVK natively to allow optionally translating the Direct3D 9 path atop Vulkan.

With the "-vulkan" command line switch, this Vulkan-based renderer can now be enabled as an alternative to OpenGL. I'll be running some benchmarks on it shortly.

Thursday's Portal 2 update also makes the game HiDPI aware, smarter default video settings, various rendering optimizations and other improvements, and a whole lot of bug fixing.

More details on this hefty Portal 2 update via the Steam Store.
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