VK_FORMAT_R4G4_UNORM_PACK8

Undocumented in source but is binding to an external library. You might be able to learn more by searching the web for its name.
@nogc nothrow extern (System)
enum VK_FORMAT_R4G4_UNORM_PACK8 = VkFormat.VK_FORMAT_R4G4_UNORM_PACK8;

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