Type Alias PFN_vkGetSwapchainGrallocUsageANDROID 

pub type PFN_vkGetSwapchainGrallocUsageANDROID = Option<unsafe extern "system" fn(device: Device, format: Format, image_usage: ImageUsageFlags, gralloc_usage: *mut c_int) -> Result>;

vkGetSwapchainGrallocUsageANDROID

Aliased Type

pub enum PFN_vkGetSwapchainGrallocUsageANDROID {
    None,
    Some(unsafe extern "system" fn(Device, Format, ImageUsageFlagBits, *mut i32) -> Result),
}

Variants

None

No value.

Some(unsafe extern "system" fn(Device, Format, ImageUsageFlagBits, *mut i32) -> Result)

Some value of type T.