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systems: add Vulkan flags for Pi4/Pi5 #3785

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@cmitu cmitu commented Oct 29, 2023

Added Vulkan as supported renderer for Pi4/Pi5 when running on RaspiOS 12 Bookworm. Technically the support was added in Bullseye for Pi4, but it was only available under X11.

Notes:

  • most emulators include the Vulkan headers, so there's no need to add libvulkan-dev as a dependency.
  • not all emulators will run with Vulkan from KMS/DRM - ppsspp/dolphin can use it under x11/wayland, while retroarch runs with thevulkan video driver on KMS/DRM.
  • switching RetroArch to use the vulkan renderer needs to include the installation/configuration of SLANG shaders, which is not handled at the moment.

@cmitu cmitu marked this pull request as ready for review October 29, 2023 02:11
Added Vulkan as supported renderer for Pi4/Pi5 when running on RaspiOS 12 Bookworm.
Technically the support was added in Bullseye for Pi4, but it was only available under X11.

Notes:
 - most emulators include the Vulkan headers, so there's no need to add `libvulkan-dev` as a dependency.
 - not all emulators will run with Vulkan from KMS/DRM - `ppsspp`/`dolphin` can use it under x11/wayland, while `retroarch` runs with the`vulkan` video driver on KMS/DRM.
 - switching RetroArch to use the `vulkan` renderer needs to include the installation/configuration of SLANG shaders, which is not handled at the moment.
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