GLContext::WasLost - Determines if we lost the context due to a TDR or another outstanding event.

src/xenia/ui/graphics_context.h

@@ -45,6 +45,12 @@ class GraphicsContext {
   virtual bool MakeCurrent() = 0;
   virtual void ClearCurrent() = 0;
 
+  // Returns true if the OS took away our context because we caused a TDR or
+  // some other outstanding error. When this happens, this context, as well as
+  // any other shared contexts are junk.
+  // This context must be made current in order for this call to work properly.
+  virtual bool WasLost() { return false; }
+
   virtual void BeginSwap() = 0;
   virtual void EndSwap() = 0;