pub unsafe extern "system" fn vkCopyImageToMemoryEXT(
device: VkDevice,
pCopyImageToMemoryInfo: *const VkCopyImageToMemoryInfo,
) -> VkResult
pub unsafe extern "system" fn vkCopyImageToMemoryEXT(
device: VkDevice,
pCopyImageToMemoryInfo: *const VkCopyImageToMemoryInfo,
) -> VkResult