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Separate getters for vectors into two functions

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One is safe, used to determine how many structures will be returned.
The other is unsafe, and takes in a mutable reference to an array
of structure chains.
This commit is contained in:
Gabriel Majeri 2018-08-25 11:53:15 +03:00
parent 53161660ef
commit 0c26422215
1 changed files with 16 additions and 10 deletions
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20
ash/src/instance.rs
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@ -151,10 +151,10 @@ pub trait InstanceV1_1: InstanceV1_0 {
} }
} }
fn get_physical_device_queue_family_properties2( fn get_physical_device_queue_family_properties2_len(
&self, &self,
physical_device: vk::PhysicalDevice, physical_device: vk::PhysicalDevice,
) -> Vec<vk::QueueFamilyProperties2> { ) -> usize {
unsafe { unsafe {
let mut queue_count = 0; let mut queue_count = 0;
self.fp_v1_1().get_physical_device_queue_family_properties2( self.fp_v1_1().get_physical_device_queue_family_properties2(
@ -162,15 +162,21 @@ pub trait InstanceV1_1: InstanceV1_0 {
&mut queue_count, &mut queue_count,
ptr::null_mut(), ptr::null_mut(),
); );
let mut queue_families_vec = Vec::with_capacity(queue_count as usize); queue_count as usize
}
}
unsafe fn get_physical_device_queue_family_properties2(
&self,
physical_device: vk::PhysicalDevice,
queue_family_props: &mut [vk::QueueFamilyProperties2]
) {
let mut queue_count = queue_family_props.len() as u32;
self.fp_v1_1().get_physical_device_queue_family_properties2( self.fp_v1_1().get_physical_device_queue_family_properties2(
physical_device, physical_device,
&mut queue_count, &mut queue_count,
queue_families_vec.as_mut_ptr(), queue_family_props.as_mut_ptr(),
); );
queue_families_vec.set_len(queue_count as usize);
queue_families_vec
}
} }
fn get_physical_device_memory_properties2( fn get_physical_device_memory_properties2(