from_vk_format()

GraphicsSurfaceInfo::SurfaceFormat MayaFlux::Core::from_vk_format ( vk::Format  fmt )

inline

Reverse-map a vk::Format to the nearest GraphicsSurfaceInfo::SurfaceFormat.

Returns B8G8R8A8_SRGB as a safe fallback for unmapped formats.

Parameters

fmt	Vulkan format obtained from the live swapchain.

Returns

Closest MayaFlux surface format enum value.

Definition at line 170 of file VKEnumUtils.hpp.

{
    using SF = GraphicsSurfaceInfo::SurfaceFormat;
    switch (fmt) {
    case vk::Format::eB8G8R8A8Srgb:
        return SF::B8G8R8A8_SRGB;
    case vk::Format::eR8G8B8A8Srgb:
        return SF::R8G8B8A8_SRGB;
    case vk::Format::eB8G8R8A8Unorm:
        return SF::B8G8R8A8_UNORM;
    case vk::Format::eR8G8B8A8Unorm:
        return SF::R8G8B8A8_UNORM;
    case vk::Format::eR16G16B16A16Sfloat:
        return SF::R16G16B16A16_SFLOAT;
    case vk::Format::eA2B10G10R10UnormPack32:
        return SF::A2B10G10R10_UNORM;
    case vk::Format::eR32G32B32A32Sfloat:
        return SF::R32G32B32A32_SFLOAT;
    default:
        return SF::B8G8R8A8_SRGB;
    }
}

Referenced by MayaFlux::Kakshya::query_surface_format(), and MayaFlux::Kakshya::readback_region().

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