[dxvk] Add convenience methods to check for debug utils support

src/d3d11/d3d11_annotation.cpp

@@ -38,7 +38,7 @@ namespace dxvk {
           ContextType*          container,
     const Rc<DxvkDevice>&       dxvkDevice)
   : m_container(container), m_eventDepth(0),
-    m_annotationsEnabled(dxvkDevice->instance()->extensions().extDebugUtils) {
+    m_annotationsEnabled(dxvkDevice->isDebugEnabled()) {
     if (!IsDeferred && m_annotationsEnabled)
       RegisterUserDefinedAnnotation<true>(this);
   }

src/d3d9/d3d9_device.cpp

@@ -70,7 +70,7 @@ namespace dxvk {
     if (canSWVP)
       Logger::info("D3D9DeviceEx: Using extended constant set for software vertex processing.");
 
-    if (m_dxvkDevice->instance()->extensions().extDebugUtils)
+    if (m_dxvkDevice->isDebugEnabled())
       m_annotation = new D3D9UserDefinedAnnotation(this);
 
     m_initializer      = new D3D9Initializer(this);

src/dxvk/dxvk_device.h

@@ -92,6 +92,14 @@ namespace dxvk {
       return m_vkd;
     }
     
+    /**
+     * \brief Vulkan instance functions
+     * \returns Vulkan instance functions
+     */
+    Rc<vk::InstanceFn> vki() const {
+      return m_instance->vki();
+    }
+    
     /**
      * \brief Logical device handle
      * \returns The device handle
@@ -100,6 +108,14 @@ namespace dxvk {
       return m_vkd->device();
     }
 
+    /**
+     * \brief Checks whether debug functionality is enabled
+     * \returns \c true if debug utils are enabled
+     */
+    bool isDebugEnabled() const {
+      return bool(m_instance->extensions().extDebugUtils);
+    }
+
     /**
      * \brief Device options
      * \returns Device options