Fix async shader compiler on Windows

third_party/duckstation/duckstation_scoped_guard.h

@@ -19,6 +19,14 @@ public:
   /// Prevents the function from being invoked when we go out of scope.
   ALWAYS_INLINE void Cancel() { m_func.reset(); }
 
+  /// Runs the destructor function now instead of when we go out of scope.
+  ALWAYS_INLINE void Run() {
+	  if (!m_func.has_value()) return;
+
+	  m_func.value()();
+	  m_func.reset();
+  }
+
   /// Explicitly fires the function.
   ALWAYS_INLINE void Invoke()
   {

third_party/duckstation/gl/context_wgl.cpp

@@ -19,6 +19,17 @@ static void* GetProcAddressCallback(const char* name)
 }
 
 namespace GL {
+static bool ReloadWGL(HDC dc)
+{
+  if (!gladLoadWGL(dc))
+  {
+    Log_ErrorPrint("Loading GLAD WGL functions failed");
+    return false;
+  }
+
+  return true;
+}
+
 ContextWGL::ContextWGL(const WindowInfo& wi) : Context(wi) {}
 
 ContextWGL::~ContextWGL()