Add VK_KHR_get_memory_requirements2 extension (#401)

ash/src/extensions/khr/get_memory_requirements2.rs

@@ -0,0 +1,87 @@
+#![allow(dead_code)]
+use crate::version::{DeviceV1_0, InstanceV1_0};
+use crate::vk;
+use std::ffi::CStr;
+use std::mem;
+use std::ptr;
+
+#[derive(Clone)]
+pub struct GetMemoryRequirements2 {
+    handle: vk::Device,
+    get_memory_requirements2_fn: vk::KhrGetMemoryRequirements2Fn,
+}
+
+impl GetMemoryRequirements2 {
+    pub fn new<I: InstanceV1_0, D: DeviceV1_0>(instance: &I, device: &D) -> GetMemoryRequirements2 {
+        let get_memory_requirements2_fn = vk::KhrGetMemoryRequirements2Fn::load(|name| unsafe {
+            mem::transmute(instance.get_device_proc_addr(device.handle(), name.as_ptr()))
+        });
+        GetMemoryRequirements2 {
+            handle: device.handle(),
+            get_memory_requirements2_fn,
+        }
+    }
+
+    pub fn name() -> &'static CStr {
+        vk::KhrGetMemoryRequirements2Fn::name()
+    }
+
+    #[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetBufferMemoryRequirements2KHR.html>"]
+    unsafe fn get_buffer_memory_requirements2(
+        &self,
+        info: &vk::BufferMemoryRequirementsInfo2KHR,
+        memory_requirements: &mut vk::MemoryRequirements2KHR,
+    ) {
+        self.get_memory_requirements2_fn
+            .get_buffer_memory_requirements2_khr(self.handle, info, memory_requirements);
+    }
+
+    #[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetImageMemoryRequirements2KHR.html>"]
+    unsafe fn get_image_memory_requirements2(
+        &self,
+        info: &vk::ImageMemoryRequirementsInfo2KHR,
+        memory_requirements: &mut vk::MemoryRequirements2KHR,
+    ) {
+        self.get_memory_requirements2_fn
+            .get_image_memory_requirements2_khr(self.handle, info, memory_requirements);
+    }
+
+    unsafe fn get_image_sparse_memory_requirements2_len(
+        &self,
+        info: &vk::ImageSparseMemoryRequirementsInfo2KHR,
+    ) -> usize {
+        let mut count = mem::zeroed();
+        self.get_memory_requirements2_fn
+            .get_image_sparse_memory_requirements2_khr(
+                self.handle,
+                info,
+                &mut count,
+                ptr::null_mut(),
+            );
+        count as usize
+    }
+
+    #[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetImageSparseMemoryRequirements2KHR.html>"]
+    unsafe fn get_image_sparse_memory_requirements2(
+        &self,
+        info: &vk::ImageSparseMemoryRequirementsInfo2KHR,
+        sparse_memory_requirements: &mut [vk::SparseImageMemoryRequirements2KHR],
+    ) {
+        let mut count = sparse_memory_requirements.len() as u32;
+        self.get_memory_requirements2_fn
+            .get_image_sparse_memory_requirements2_khr(
+                self.handle,
+                info,
+                &mut count,
+                sparse_memory_requirements.as_mut_ptr(),
+            );
+    }
+
+    pub fn fp(&self) -> &vk::KhrGetMemoryRequirements2Fn {
+        &self.get_memory_requirements2_fn
+    }
+
+    pub fn device(&self) -> vk::Device {
+        self.handle
+    }
+}

ash/src/extensions/khr/mod.rs

@@ -6,6 +6,7 @@ pub use self::display::Display;
 pub use self::display_swapchain::DisplaySwapchain;
 pub use self::draw_indirect_count::DrawIndirectCount;
 pub use self::external_memory_fd::ExternalMemoryFd;
+pub use self::get_memory_requirements2::GetMemoryRequirements2;
 pub use self::maintenance1::Maintenance1;
 pub use self::maintenance3::Maintenance3;
 pub use self::pipeline_executable_properties::PipelineExecutableProperties;
@@ -27,6 +28,7 @@ mod display;
 mod display_swapchain;
 mod draw_indirect_count;
 mod external_memory_fd;
+mod get_memory_requirements2;
 mod maintenance1;
 mod maintenance3;
 mod pipeline_executable_properties;