extensions: Add VK_KHR_maintenance4

ash/src/extensions/khr/maintenance4.rs

@@ -0,0 +1,88 @@
+use crate::vk;
+use crate::{Device, Instance};
+use std::ffi::CStr;
+use std::mem;
+
+#[derive(Clone)]
+pub struct Maintenance4 {
+    handle: vk::Device,
+    fns: vk::KhrMaintenance4Fn,
+}
+
+impl Maintenance4 {
+    pub fn new(instance: &Instance, device: &Device) -> Self {
+        let fns = vk::KhrMaintenance4Fn::load(|name| unsafe {
+            mem::transmute(instance.get_device_proc_addr(device.handle(), name.as_ptr()))
+        });
+        Self {
+            handle: device.handle(),
+            fns,
+        }
+    }
+
+    #[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetDeviceBufferMemoryRequirementsKHR.html>"]
+    pub unsafe fn get_device_buffer_memory_requirements(
+        &self,
+        create_info: &vk::DeviceBufferMemoryRequirementsKHR,
+        out: &mut vk::MemoryRequirements2,
+    ) {
+        self.fns
+            .get_device_buffer_memory_requirements_khr(self.handle, create_info, out)
+    }
+
+    #[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetDeviceImageMemoryRequirementsKHR.html>"]
+    pub unsafe fn get_device_image_memory_requirements(
+        &self,
+        create_info: &vk::DeviceImageMemoryRequirementsKHR,
+        out: &mut vk::MemoryRequirements2,
+    ) {
+        self.fns
+            .get_device_image_memory_requirements_khr(self.handle, create_info, out)
+    }
+
+    /// Retrieve the number of elements to pass to [`Self::get_device_image_sparse_memory_requirements()`]
+    pub unsafe fn get_device_image_sparse_memory_requirements_len(
+        &self,
+        create_info: &vk::DeviceImageMemoryRequirementsKHR,
+    ) -> usize {
+        let mut count = 0;
+        self.fns.get_device_image_sparse_memory_requirements_khr(
+            self.handle,
+            create_info,
+            &mut count,
+            std::ptr::null_mut(),
+        );
+        count as usize
+    }
+
+    #[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetDeviceImageSparseMemoryRequirementsKHR.html>"]
+    ///
+    /// Call [`Self::get_device_image_sparse_memory_requirements_len()`] to query the number of elements to pass to `sparse_memory_requirements`.
+    /// Be sure to [`Default::default()`]-initialize these elements and optionally set their `p_next` pointer.
+    pub unsafe fn get_device_image_sparse_memory_requirements(
+        &self,
+        create_info: &vk::DeviceImageMemoryRequirementsKHR,
+        out: &mut [vk::SparseImageMemoryRequirements2],
+    ) {
+        let mut count = out.len() as u32;
+        self.fns.get_device_image_sparse_memory_requirements_khr(
+            self.handle,
+            create_info,
+            &mut count,
+            out.as_mut_ptr(),
+        );
+        assert_eq!(count, out.len() as u32);
+    }
+
+    pub fn name() -> &'static CStr {
+        vk::KhrMaintenance4Fn::name()
+    }
+
+    pub fn fp(&self) -> &vk::KhrMaintenance4Fn {
+        &self.fns
+    }
+
+    pub fn device(&self) -> vk::Device {
+        self.handle
+    }
+}

ash/src/extensions/khr/mod.rs

@@ -14,6 +14,7 @@ pub use self::get_memory_requirements2::GetMemoryRequirements2;
 pub use self::get_physical_device_properties2::GetPhysicalDeviceProperties2;
 pub use self::maintenance1::Maintenance1;
 pub use self::maintenance3::Maintenance3;
+pub use self::maintenance4::Maintenance4;
 pub use self::pipeline_executable_properties::PipelineExecutableProperties;
 pub use self::push_descriptor::PushDescriptor;
 pub use self::ray_tracing_pipeline::RayTracingPipeline;
@@ -42,6 +43,7 @@ mod get_memory_requirements2;
 mod get_physical_device_properties2;
 mod maintenance1;
 mod maintenance3;
+mod maintenance4;
 mod pipeline_executable_properties;
 mod push_descriptor;
 mod ray_tracing_pipeline;