get_surface_format_traits()

SurfaceFormatTraits MayaFlux::Core::get_surface_format_traits ( GraphicsSurfaceInfo::SurfaceFormat  fmt )

inline

Query DataVariant-dispatch traits for a surface format.

For the byte count, call vk_format_bytes_per_pixel(to_vk_format(fmt)).

Parameters

fmt	The MayaFlux surface format enum value.

Returns

SurfaceFormatTraits for that format.

Definition at line 199 of file VKEnumUtils.hpp.

{
    using SF = GraphicsSurfaceInfo::SurfaceFormat;
    switch (fmt) {
    case SF::B8G8R8A8_SRGB:
    case SF::R8G8B8A8_SRGB:
    case SF::B8G8R8A8_UNORM:
    case SF::R8G8B8A8_UNORM:
        return {
            .channel_count = 4U,
            .bits_per_channel = 8U,
            .is_float = false,
            .is_packed = false
        };
 
    case SF::R16G16B16A16_SFLOAT:
        return {
            .channel_count = 4U,
            .bits_per_channel = 16U,
            .is_float = true,
            .is_packed = false
        };
 
    case SF::A2B10G10R10_UNORM:
        return {
            .channel_count = 4U,
            .bits_per_channel = 10U,
            .is_float = false,
            .is_packed = true
        };
 
    case SF::R32G32B32A32_SFLOAT:
        return {
            .channel_count = 4U,
            .bits_per_channel = 32U,
            .is_float = true,
            .is_packed = false
        };
 
    default:
        return {
            .channel_count = 4U,
            .bits_per_channel = 8U,
            .is_float = false,
            .is_packed = false
        };
    }
}

References MayaFlux::Core::SurfaceFormatTraits::channel_count.

Referenced by MayaFlux::Kakshya::readback_region().

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