ash/extensions/khr/
maintenance4.rs

1//! <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VK_KHR_maintenance4.html>
2
3use crate::vk;
4use core::mem;
5use core::ptr;
6
7impl crate::khr::maintenance4::Device {
8    /// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkGetDeviceBufferMemoryRequirementsKHR.html>
9    #[inline]
10    pub unsafe fn get_device_buffer_memory_requirements(
11        &self,
12        memory_requirements: &vk::DeviceBufferMemoryRequirementsKHR<'_>,
13        out: &mut vk::MemoryRequirements2<'_>,
14    ) {
15        (self.fp.get_device_buffer_memory_requirements_khr)(self.handle, memory_requirements, out)
16    }
17
18    /// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkGetDeviceImageMemoryRequirementsKHR.html>
19    #[inline]
20    pub unsafe fn get_device_image_memory_requirements(
21        &self,
22        memory_requirements: &vk::DeviceImageMemoryRequirementsKHR<'_>,
23        out: &mut vk::MemoryRequirements2<'_>,
24    ) {
25        (self.fp.get_device_image_memory_requirements_khr)(self.handle, memory_requirements, out)
26    }
27
28    /// Retrieve the number of elements to pass to [`get_device_image_sparse_memory_requirements()`][Self::get_device_image_sparse_memory_requirements()]
29    #[inline]
30    pub unsafe fn get_device_image_sparse_memory_requirements_len(
31        &self,
32        memory_requirements: &vk::DeviceImageMemoryRequirementsKHR<'_>,
33    ) -> usize {
34        let mut count = mem::MaybeUninit::uninit();
35        (self.fp.get_device_image_sparse_memory_requirements_khr)(
36            self.handle,
37            memory_requirements,
38            count.as_mut_ptr(),
39            ptr::null_mut(),
40        );
41        count.assume_init() as usize
42    }
43
44    /// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkGetDeviceImageSparseMemoryRequirementsKHR.html>
45    ///
46    /// Call [`get_device_image_sparse_memory_requirements_len()`][Self::get_device_image_sparse_memory_requirements_len()] to query the number of elements to pass to `out`.
47    /// Be sure to [`Default::default()`]-initialize these elements and optionally set their `p_next` pointer.
48    #[inline]
49    pub unsafe fn get_device_image_sparse_memory_requirements(
50        &self,
51        memory_requirements: &vk::DeviceImageMemoryRequirementsKHR<'_>,
52        out: &mut [vk::SparseImageMemoryRequirements2<'_>],
53    ) {
54        let mut count = out.len() as u32;
55        (self.fp.get_device_image_sparse_memory_requirements_khr)(
56            self.handle,
57            memory_requirements,
58            &mut count,
59            out.as_mut_ptr(),
60        );
61        assert_eq!(count as usize, out.len());
62    }
63}
ash/extensions/khr/maintenance4.rs

ash/extensions/khr/
maintenance4.rs
