GSdx: Possible fix for DX10 leaking memory.

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2042 96395faa-99c1-11dd-bbfe-3dabce05a288

plugins/GSdx/GSDevice10.cpp

@@ -68,9 +68,14 @@ bool GSDevice10::Create(GSWnd* wnd, bool vsync)
 	scd.SampleDesc.Quality = 0;
 	scd.Windowed = TRUE;
 
-	//Crashes when 2 threads work on the swapchain, as in pcsx2/wx.
-	//Todo : Figure out a way to have this flag anyway
-	uint32 flags = 0; //D3D10_CREATE_DEVICE_SINGLETHREADED;
+	// Crashes when 2 threads work on the swapchain, as in pcsx2/wx when it provides us
+	// an external window handle (which could be attached to any thread other than the GS one).
+	// (but if we're managing our own window then it's safe to enable)
+
+	// FIXME : Figure out a way to have this flag anyway, since it's a measurable speedup (may
+	//   not be possible though).
+
+	uint32 flags = m_wnd->IsManaged() ? D3D10_CREATE_DEVICE_SINGLETHREADED : 0;
 
 #ifdef DEBUG
 	flags |= D3D10_CREATE_DEVICE_DEBUG;

plugins/GSdx/GSRendererDX10.h

@@ -39,6 +39,7 @@ protected:
 
 public:
 	GSRendererDX10();
+	virtual ~GSRendererDX10() {}
 
 	bool CreateDevice(GSDevice* dev);
 

plugins/GSdx/GSRendererDX11.h

@@ -40,6 +40,7 @@ protected:
 
 public:
 	GSRendererDX11();
+	virtual ~GSRendererDX11() {}
 
 	bool CreateDevice(GSDevice* dev);
 

plugins/GSdx/GSRendererDX9.h

@@ -46,6 +46,7 @@ protected:
 
 public:
 	GSRendererDX9();
+	virtual ~GSRendererDX9() {}
 
 	bool CreateDevice(GSDevice* dev);
 

plugins/GSdx/GSRendererNull.h

@@ -43,6 +43,8 @@ public:
 		InitVertexKick<GSRendererNull>();
 	}
 
+	virtual ~GSRendererNull() {}
+
 	template<uint32 prim, uint32 tme, uint32 fst> void VertexKick(bool skip)
 	{
 	}

plugins/GSdx/GSRendererOGL.h

@@ -32,6 +32,7 @@ protected:
 
 public:
 	GSRendererOGL();
+	virtual ~GSRendererOGL() {}
 
 	bool CreateDevice(GSDevice* dev);