From d6037c9be2f4c6cddc286c252abf633d2be78cc9 Mon Sep 17 00:00:00 2001
From: Ben Brown <bbrown683@live.com>
Date: Tue, 6 Nov 2018 18:42:43 -0600
Subject: [PATCH] Added supports_transfer function.

Adding supports_transfer function.
---
 src/hal/src/queue/capability.rs | 6 +++++-
 src/hal/src/queue/family.rs     | 8 ++++++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/hal/src/queue/capability.rs b/src/hal/src/queue/capability.rs
index ac5ba9dd730..0f3151c59ab 100644
--- a/src/hal/src/queue/capability.rs
+++ b/src/hal/src/queue/capability.rs
@@ -50,7 +50,11 @@ impl Capability for Compute {
 impl Capability for Transfer {
     fn supported_by(qt: QueueType) -> bool {
         match qt {
-            _ => true
+            QueueType::General |
+            QueueType::Compute |
+            QueueType::Graphics |
+            QueueType::Transfer => true,
+            _ => false,
         }
     }
 }
diff --git a/src/hal/src/queue/family.rs b/src/hal/src/queue/family.rs
index 5a96e313523..8a792ffd82d 100644
--- a/src/hal/src/queue/family.rs
+++ b/src/hal/src/queue/family.rs
@@ -3,7 +3,7 @@
 use Backend;
 use backend::RawQueueGroup;
 use queue::{CommandQueue, QueueType};
-use queue::capability::{Capability, Graphics, Compute};
+use queue::capability::{Capability, Graphics, Compute, Transfer};
 
 use std::any::Any;
 use std::fmt::Debug;
@@ -20,10 +20,14 @@ pub trait QueueFamily: Debug + Any + Send + Sync {
     fn supports_graphics(&self) -> bool {
         Graphics::supported_by(self.queue_type())
     }
-    /// Returns true if the queue supports graphics operations.
+    /// Returns true if the queue supports compute operations.
     fn supports_compute(&self) -> bool {
         Compute::supported_by(self.queue_type())
     }
+    /// Returns true if the queue supports transfer operations.
+    fn supports_transfer(&self) -> bool {
+        Transfer::supported_by(self.queue_type())
+    }
     /// Returns the queue family ID.
     fn id(&self) -> QueueFamilyId;
 }