ash/extensions/khr/
get_memory_requirements2.rs

1//! <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VK_KHR_get_memory_requirements2.html>
2
3use crate::vk;
4use core::mem;
5use core::ptr;
6
7impl crate::khr::get_memory_requirements2::Device {
8    /// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkGetBufferMemoryRequirements2KHR.html>
9    #[inline]
10    pub unsafe fn get_buffer_memory_requirements2(
11        &self,
12        info: &vk::BufferMemoryRequirementsInfo2KHR<'_>,
13        memory_requirements: &mut vk::MemoryRequirements2KHR<'_>,
14    ) {
15        (self.fp.get_buffer_memory_requirements2_khr)(self.handle, info, memory_requirements);
16    }
17
18    /// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkGetImageMemoryRequirements2KHR.html>
19    #[inline]
20    pub unsafe fn get_image_memory_requirements2(
21        &self,
22        info: &vk::ImageMemoryRequirementsInfo2KHR<'_>,
23        memory_requirements: &mut vk::MemoryRequirements2KHR<'_>,
24    ) {
25        (self.fp.get_image_memory_requirements2_khr)(self.handle, info, memory_requirements);
26    }
27
28    /// Retrieve the number of elements to pass to [`get_image_sparse_memory_requirements2()`][Self::get_image_sparse_memory_requirements2()]
29    #[inline]
30    pub unsafe fn get_image_sparse_memory_requirements2_len(
31        &self,
32        info: &vk::ImageSparseMemoryRequirementsInfo2KHR<'_>,
33    ) -> usize {
34        let mut count = mem::MaybeUninit::uninit();
35        (self.fp.get_image_sparse_memory_requirements2_khr)(
36            self.handle,
37            info,
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/vkGetImageSparseMemoryRequirements2KHR.html>
45    ///
46    /// Call [`get_image_sparse_memory_requirements2_len()`][Self::get_image_sparse_memory_requirements2_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_image_sparse_memory_requirements2(
50        &self,
51        info: &vk::ImageSparseMemoryRequirementsInfo2KHR<'_>,
52        out: &mut [vk::SparseImageMemoryRequirements2KHR<'_>],
53    ) {
54        let mut count = out.len() as u32;
55        (self.fp.get_image_sparse_memory_requirements2_khr)(
56            self.handle,
57            info,
58            &mut count,
59            out.as_mut_ptr(),
60        );
61        assert_eq!(count as usize, out.len());
62    }
63}
ash/extensions/khr/get_memory_requirements2.rs

ash/extensions/khr/
get_memory_requirements2.rs
