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Implement VK_MSFT_layered_driver extension support #1342

Commits on Nov 3, 2023

  1. Implement VK_MSFT_layered_driver extension support

    This extension reorders physical devices enumerated through the windows
    EnumerateAdapterPhysicalDevices whenever multiple drivers exist for the same
    LUID. This is so that if a driver is considered a 'layered implementation',
    eg Dozen's Vulkan on Dx12, the physical device corresponding to the native
    vulkan driver is preferred.
    
    The implementation of this extension cause some renaming of structs, variables,
    and parameters to make the code easier to understand, such as renaming
    the struct loader_phys_devs_per_icd to loader_icd_physical_devices.
    During the review process there was quite a bit of confusion about what the
    struct's purpose was that should be much clearer now.
    charles-lunarg committed Nov 3, 2023
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