Fix for the hang after close caused by my previews perf queries commit.

Sorry for that.
fix issue 6205

Source/Plugins/Plugin_VideoDX9/Src/PerfQuery.cpp

@@ -8,6 +8,16 @@ namespace DX9 {
 PerfQuery::PerfQuery()
 	: m_query_read_pos()
 	, m_query_count()
+{
+	
+}
+
+PerfQuery::~PerfQuery()
+{
+	
+}
+
+void PerfQuery::CreateDeviceObjects()
 {
 	for (int i = 0; i != ARRAYSIZE(m_query_buffer); ++i)
 	{
@@ -15,8 +25,7 @@ PerfQuery::PerfQuery()
 	}
 	ResetQuery();
 }
-
+void PerfQuery::DestroyDeviceObjects()
-PerfQuery::~PerfQuery()
 {
 	for (int i = 0; i != ARRAYSIZE(m_query_buffer); ++i)
 	{
@@ -91,7 +100,7 @@ void PerfQuery::FlushOne()
 {
 	auto& entry = m_query_buffer[m_query_read_pos];
 
-	UINT64 result = 0;
+	DWORD result = 0;
 	HRESULT hr = S_FALSE;
 	while (hr != S_OK && hr != D3DERR_DEVICELOST)
 	{
@@ -100,7 +109,7 @@ void PerfQuery::FlushOne()
 	}
 
 	// NOTE: Reported pixel metrics should be referenced to native resolution
-	m_results[entry.query_type] += (u64)result * EFB_WIDTH / g_renderer->GetTargetWidth() * EFB_HEIGHT / g_renderer->GetTargetHeight();
+	m_results[entry.query_type] += (u32)((u64)result * EFB_WIDTH / g_renderer->GetTargetWidth() * EFB_HEIGHT / g_renderer->GetTargetHeight());
 
 	m_query_read_pos = (m_query_read_pos + 1) % ARRAYSIZE(m_query_buffer);
 	--m_query_count;
@@ -119,13 +128,13 @@ void PerfQuery::WeakFlush()
 	{
 		auto& entry = m_query_buffer[m_query_read_pos];
 
-		UINT64 result = 0;
+		DWORD result = 0;
 		HRESULT hr = entry.query->GetData(&result, sizeof(result), 0);
 
 		if (hr == S_OK)
 		{
 			// NOTE: Reported pixel metrics should be referenced to native resolution
-			m_results[entry.query_type] += (u64)result * EFB_WIDTH / g_renderer->GetTargetWidth() * EFB_HEIGHT / g_renderer->GetTargetHeight();
+			m_results[entry.query_type] += (u32)((u64)result * EFB_WIDTH / g_renderer->GetTargetWidth() * EFB_HEIGHT / g_renderer->GetTargetHeight());
 
 			m_query_read_pos = (m_query_read_pos + 1) % ARRAYSIZE(m_query_buffer);
 			--m_query_count;

Source/Plugins/Plugin_VideoDX9/Src/PerfQuery.h

@@ -17,6 +17,8 @@ public:
 	u32 GetQueryResult(PerfQueryType type);
 	void FlushResults();
 	bool IsFlushed() const;
+	void CreateDeviceObjects();
+	void DestroyDeviceObjects();
 
 private:
 	struct ActiveQuery
@@ -26,7 +28,6 @@ private:
 	};
 
 	void WeakFlush();	
-
 	// Only use when non-empty
 	void FlushOne();
 

Source/Plugins/Plugin_VideoDX9/Src/Render.cpp

@@ -88,7 +88,7 @@ void SetupDeviceObjects()
 	VertexShaderCache::Init();
 	PixelShaderCache::Init();
 	g_vertex_manager->CreateDeviceObjects();
-	g_perf_query = new PerfQuery;
+	((PerfQuery*)g_perf_query)->CreateDeviceObjects();
 	// Texture cache will recreate themselves over time.
 }
 
@@ -101,7 +101,7 @@ void TeardownDeviceObjects()
 	D3D::dev->SetRenderTarget(0, D3D::GetBackBufferSurface());
 	D3D::dev->SetDepthStencilSurface(D3D::GetBackBufferDepthSurface());
 	delete g_framebuffer_manager;
-	delete g_perf_query;
+	((PerfQuery*)g_perf_query)->DestroyDeviceObjects();
 	D3D::font.Shutdown();
 	TextureCache::Invalidate();
 	VertexLoaderManager::Shutdown();

Source/Plugins/Plugin_VideoDX9/Src/main.cpp

@@ -57,6 +57,7 @@
 
 #include "ConfigManager.h"
 #include "VideoBackend.h"
+#include "PerfQuery.h"
 
 namespace DX9
 {
@@ -176,6 +177,7 @@ void VideoBackend::Video_Prepare()
 
 	// internal interfaces
 	g_vertex_manager = new VertexManager;
+	g_perf_query = new PerfQuery;
 	g_renderer = new Renderer;
 	g_texture_cache = new TextureCache;	
 	// VideoCommon
@@ -215,9 +217,9 @@ void VideoBackend::Shutdown()
 		// internal interfaces
 		PixelShaderCache::Shutdown();
 		VertexShaderCache::Shutdown();
-		delete g_perf_query;
 		delete g_texture_cache;
 		delete g_renderer;
+		delete g_perf_query;
 		delete g_vertex_manager;
 		g_renderer = NULL;
 		g_texture_cache = NULL;