Struct QueueFamilies

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pub struct QueueFamilies(pub Vec<QueueFamilyProperties>);
Expand description

List of queue families

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§0: Vec<QueueFamilyProperties>

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impl QueueFamilies

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pub fn find_matching_index(&self, flags: QueueFlags) -> Option<u32>

Find a queue family index containing specified bitflags

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pub fn find_another_matching_index( &self, flags: QueueFlags, exclude: u32, ) -> Option<u32>

Find a queue family index containing specified bitflags

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pub fn count(&self) -> u32

Number of queue families

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pub fn iter(&self) -> impl Iterator<Item = &QueueFamilyProperties>

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pub fn queue_count(&self, family_index: u32) -> u32

Number of queues in selected queue family

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pub fn timestamp_valid_bits(&self, family_index: u32) -> u32

Unsigned integer count of meaningful bits in the timestamps written via vkCmdWriteTimestamp

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pub fn minimum_image_transfer_granularity(&self, family_index: u32) -> &Extent3D

Minimum granularity supported for image transfer operations on the queues in selected queue family

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