From 5014f02285d5922ceab1033e6eb63055c5ff9f05 Mon Sep 17 00:00:00 2001
From: Benjamin Saunders <ben.e.saunders@gmail.com>
Date: Tue, 4 Jul 2017 00:01:53 -0700
Subject: [PATCH] Update to OpenVR SDK 1.0.8

---
 src/compositor/mod.rs | 6 +-----
 src/lib.rs            | 5 +++++
 src/system/mod.rs     | 8 ++++++++
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/src/compositor/mod.rs b/src/compositor/mod.rs
index 82d5bd0..4041e50 100644
--- a/src/compositor/mod.rs
+++ b/src/compositor/mod.rs
@@ -136,6 +136,7 @@ pub mod compositor_error {
     pub const SHARED_TEXTURES_NOT_SUPPORTED: CompositorError = CompositorError(sys::EVRCompositorError_EVRCompositorError_VRCompositorError_SharedTexturesNotSupported);
     pub const INDEX_OUT_OF_RANGE: CompositorError = CompositorError(sys::EVRCompositorError_EVRCompositorError_VRCompositorError_IndexOutOfRange);
     pub const ALREADY_SUBMITTED: CompositorError = CompositorError(sys::EVRCompositorError_EVRCompositorError_VRCompositorError_AlreadySubmitted);
+    pub const INVALID_BOUNDS: CompositorError = CompositorError(sys::EVRCompositorError_EVRCompositorError_VRCompositorError_InvalidBounds);
 }
 
 impl fmt::Debug for CompositorError {
@@ -168,8 +169,3 @@ impl fmt::Display for CompositorError {
         f.pad(error::Error::description(self))
     }
 }
-
-pub use sys::VkPhysicalDevice_T;
-pub use sys::VkDevice_T;
-pub use sys::VkInstance_T;
-pub use sys::VkQueue_T;
diff --git a/src/lib.rs b/src/lib.rs
index e4bb737..873132b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -13,6 +13,11 @@ mod compositor;
 
 pub use tracking::*;
 
+pub use sys::VkPhysicalDevice_T;
+pub use sys::VkDevice_T;
+pub use sys::VkInstance_T;
+pub use sys::VkQueue_T;
+
 static INITIALIZED: AtomicBool = ATOMIC_BOOL_INIT;
 
 /// Initialize OpenVR
diff --git a/src/system/mod.rs b/src/system/mod.rs
index e505569..fe93b27 100644
--- a/src/system/mod.rs
+++ b/src/system/mod.rs
@@ -152,6 +152,14 @@ impl<'a> System<'a> {
             _ => None,
         }
     }
+
+    pub fn vulkan_output_device(&self) -> Option<*mut VkPhysicalDevice_T> {
+        unsafe {
+            let mut device = mem::uninitialized();
+            self.0.GetOutputDevice.unwrap()(&mut device, sys::ETextureType_ETextureType_TextureType_Vulkan);
+            if device == 0 { None } else { Some(device as usize as *mut _) }
+        }
+    }
 }
 
 /// Values represent the tangents of the half-angles from the center view axis