1 files changed, 4 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/SurfaceD3D.h b/src/3rdparty/angle/src/libANGLE/renderer/d3d/SurfaceD3D.h
index b925bfc8cc..67d408ddd9 100644
--- a/src/3rdparty/angle/src/libANGLE/renderer/d3d/SurfaceD3D.h
+++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/SurfaceD3D.h
@@ -82,6 +82,9 @@ class SurfaceD3D : public SurfaceImpl
     egl::Error resetSwapChain(int backbufferWidth, int backbufferHeight);
     egl::Error resizeSwapChain(int backbufferWidth, int backbufferHeight);
 
+    void subclassWindow();
+    void unsubclassWindow();
+
     RendererD3D *mRenderer;
     egl::Display *mDisplay;
 
@@ -93,6 +96,7 @@ class SurfaceD3D : public SurfaceImpl
 
     SwapChainD3D *mSwapChain;
     bool mSwapIntervalDirty;
+    bool mWindowSubclassed;        // Indicates whether we successfully subclassed mWindow for WM_RESIZE hooking
 
     NativeWindow mNativeWindow;   // Handler for the Window that the surface is created for.
     EGLint mWidth;