From 458a6fba2063ab6c27a86dd926d760a8af622490 Mon Sep 17 00:00:00 2001
From: Graham Wihlidal <graham@wihlidal.ca>
Date: Sun, 10 Feb 2019 03:51:32 +0100
Subject: [PATCH] Implemented get_ray_tracing_shader_group_handles

---
 ash/src/extensions/nv/ray_tracing.rs | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/ash/src/extensions/nv/ray_tracing.rs b/ash/src/extensions/nv/ray_tracing.rs
index f26b38b..aabef17 100644
--- a/ash/src/extensions/nv/ray_tracing.rs
+++ b/ash/src/extensions/nv/ray_tracing.rs
@@ -173,7 +173,27 @@ impl RayTracing {
         }
     }
 
-    // get_ray_tracing_shader_group_handles_nv
+    pub unsafe fn get_ray_tracing_shader_group_handles(
+        &self,
+        device: vk::Device,
+        pipeline: vk::Pipeline,
+        first_group: u32,
+        group_count: u32,
+        data: &mut [u8],
+    ) -> VkResult<()> {
+        let err_code = self.ray_tracing_fn.get_ray_tracing_shader_group_handles_nv(
+            device,
+            pipeline,
+            first_group,
+            group_count,
+            data.len(),
+            data.as_mut_ptr() as *mut std::ffi::c_void,
+        );
+        match err_code {
+            vk::Result::SUCCESS => Ok(()),
+            _ => Err(err_code),
+        }
+    }
 
     // get_acceleration_structure_handle_nv