Fix D3D8, D3D9, and GL builds. Bug swiftshader:63 Bug swiftshader:31 Change-Id: I59d08cbc8379e2c30984b9ec0ed4d49317633ce8 Reviewed-on: https://swiftshader-review.googlesource.com/10048 Tested-by: Nicolas Capens <capn@google.com> Reviewed-by: Nicolas Capens <capn@google.com>

diff --git a/src/D3D9/Direct3DSwapChain9.hpp b/src/D3D9/Direct3DSwapChain9.hpp
index bdf6407..dd26b3e 100644
--- a/src/D3D9/Direct3DSwapChain9.hpp
+++ b/src/D3D9/Direct3DSwapChain9.hpp

@@ -32,21 +32,21 @@
 	public:
 		Direct3DSwapChain9(Direct3DDevice9 *device, D3DPRESENT_PARAMETERS *presentParameters);
 
-		virtual ~Direct3DSwapChain9();
+		~Direct3DSwapChain9() override;
 
 		// IUnknown methods
-		long __stdcall QueryInterface(const IID &iid, void **object);
-		unsigned long __stdcall AddRef();
-		unsigned long __stdcall Release();
+		long __stdcall QueryInterface(const IID &iid, void **object) override;
+		unsigned long __stdcall AddRef() override;
+		unsigned long __stdcall Release() override;
 
 		// IDirect3DSwapChain9 methods
-		long __stdcall Present(const RECT *sourceRect, const RECT *destRect, HWND destWindowOverride, const RGNDATA *dirtyRegion, unsigned long flags);
-		long __stdcall GetFrontBufferData(IDirect3DSurface9 *destSurface);
-		long __stdcall GetBackBuffer(unsigned int index, D3DBACKBUFFER_TYPE type, IDirect3DSurface9 **backBuffer);
-		long __stdcall GetRasterStatus(D3DRASTER_STATUS *rasterStatus);
-		long __stdcall GetDisplayMode(D3DDISPLAYMODE *displayMode);
-		long __stdcall GetDevice(IDirect3DDevice9 **device);
-		long __stdcall GetPresentParameters(D3DPRESENT_PARAMETERS *presentParameters);
+		long __stdcall Present(const RECT *sourceRect, const RECT *destRect, HWND destWindowOverride, const RGNDATA *dirtyRegion, unsigned long flags) override;
+		long __stdcall GetFrontBufferData(IDirect3DSurface9 *destSurface) override;
+		long __stdcall GetBackBuffer(unsigned int index, D3DBACKBUFFER_TYPE type, IDirect3DSurface9 **backBuffer) override;
+		long __stdcall GetRasterStatus(D3DRASTER_STATUS *rasterStatus) override;
+		long __stdcall GetDisplayMode(D3DDISPLAYMODE *displayMode) override;
+		long __stdcall GetDevice(IDirect3DDevice9 **device) override;
+		long __stdcall GetPresentParameters(D3DPRESENT_PARAMETERS *presentParameters) override;
 
 		// Internal methods
 		void reset(D3DPRESENT_PARAMETERS *presentParameters);