[dxgi] Query DXVK instance from DXGI factory, not the adapter

src/dxgi/dxgi_adapter.cpp

@@ -41,7 +41,7 @@ namespace dxvk {
           VkInstance*               pInstance,
           VkPhysicalDevice*         pPhysDev) {
     auto adapter  = m_adapter->GetDXVKAdapter();
-    auto instance = adapter->instance();
+    auto instance = m_adapter->GetDXVKInstance();
 
     if (pInstance)
       *pInstance = instance->handle();
@@ -371,4 +371,9 @@ namespace dxvk {
     return m_adapter;
   }
 
+
+  Rc<DxvkInstance> STDMETHODCALLTYPE DxgiAdapter::GetDXVKInstance() {
+    return m_factory->GetDXVKInstance();
+  }
+  
 }

src/dxgi/dxgi_adapter.h

@@ -101,6 +101,8 @@ namespace dxvk {
 
     Rc<DxvkAdapter> STDMETHODCALLTYPE GetDXVKAdapter() final;
     
+    Rc<DxvkInstance> STDMETHODCALLTYPE GetDXVKInstance() final;
+
   private:
     
     Com<DxgiFactory>  m_factory;

src/dxgi/dxgi_factory.h

@@ -118,6 +118,10 @@ namespace dxvk {
             void*                 pFeatureSupportData,
             UINT                  FeatureSupportDataSize) final;
 
+    Rc<DxvkInstance> GetDXVKInstance() const {
+      return m_instance;
+    }
+
     const DxgiOptions* GetOptions() const {
       return &m_options;
     }

src/dxgi/dxgi_interfaces.h

@@ -86,6 +86,8 @@ IDXGIDXVKAdapter : public IDXGIAdapter3 {
   
   virtual dxvk::Rc<dxvk::DxvkAdapter> STDMETHODCALLTYPE GetDXVKAdapter() = 0;
 
+  virtual dxvk::Rc<dxvk::DxvkInstance> STDMETHODCALLTYPE GetDXVKInstance() = 0;
+
 };