Fixed invalid IsWindow( ) call for WinRT Windows Store applications.

src/libANGLE/renderer/d3d/DisplayD3D.cpp

@@ -72,7 +72,7 @@ egl::Error DisplayD3D::restoreLostDevice()
 
 bool DisplayD3D::isValidNativeWindow(EGLNativeWindowType window) const
 {
-    return (IsWindow(window) == TRUE);
+    return NativeWindow::isValidNativeWindow(window);
 }
 
 }

src/libANGLE/renderer/d3d/d3d11/NativeWindow.h

@@ -54,6 +54,7 @@ class NativeWindow
     bool initialize();
     bool getClientRect(LPRECT rect);
     bool isIconic();
+    static bool isValidNativeWindow(EGLNativeWindowType window);
 
     HRESULT createSwapChain(ID3D11Device* device, DXGIFactory* factory,
                             DXGI_FORMAT format, UINT width, UINT height,

src/libANGLE/renderer/d3d/d3d11/win32/NativeWindow.cpp

@@ -32,6 +32,11 @@ bool NativeWindow::isIconic()
     return IsIconic(mWindow) == TRUE;
 }
 
+bool NativeWindow::isValidNativeWindow(EGLNativeWindowType window)
+{
+    return IsWindow(window) == TRUE;
+}
+
 HRESULT NativeWindow::createSwapChain(ID3D11Device* device, DXGIFactory* factory,
                                       DXGI_FORMAT format, unsigned int width, unsigned int height,
                                       DXGISwapChain** swapChain)

src/libANGLE/renderer/d3d/d3d11/winrt/InspectableNativeWindow.cpp

@@ -74,6 +74,11 @@ bool NativeWindow::isIconic()
     return false;
 }
 
+bool NativeWindow::isValidNativeWindow(EGLNativeWindowType window)
+{
+    return IsValidEGLNativeWindowType(window);
+}
+
 HRESULT NativeWindow::createSwapChain(ID3D11Device *device, DXGIFactory *factory, DXGI_FORMAT format, unsigned int width, unsigned int height, DXGISwapChain **swapChain)
 {
     if (mImpl)

src/libANGLE/renderer/d3d/d3d11/winrt/InspectableNativeWindow.h

@@ -82,6 +82,7 @@ protected:
     EventRegistrationToken mSizeChangedEventToken;
 };
 
+bool IsValidEGLNativeWindowType(EGLNativeWindowType window);
 bool IsCoreWindow(EGLNativeWindowType window, ComPtr<ABI::Windows::UI::Core::ICoreWindow> *coreWindow = nullptr);
 bool IsSwapChainPanel(EGLNativeWindowType window, ComPtr<ABI::Windows::UI::Xaml::Controls::ISwapChainPanel> *swapChainPanel = nullptr);
 bool IsEGLConfiguredPropertySet(EGLNativeWindowType window, ABI::Windows::Foundation::Collections::IPropertySet **propertySet = nullptr, IInspectable **inspectable = nullptr);