From ce31ac361c6c222b17bb8bcda9d8a777f16646b4 Mon Sep 17 00:00:00 2001
From: gigaherz <gigaherz@96395faa-99c1-11dd-bbfe-3dabce05a288>
Date: Wed, 11 Nov 2009 03:56:14 +0000
Subject: [PATCH] Implemented a feature which could potentially reduce the
 slight slowdowns present when running in windowed mode inside Aero. Since
 it's late, I will leave it to the world to figure out of it really makes a
 difference.

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2183 96395faa-99c1-11dd-bbfe-3dabce05a288
---
 pcsx2/gui/AppInit.cpp                      |  5 +++
 pcsx2/gui/MainFrame.cpp                    |  1 -
 pcsx2/windows/DwmSetup.cpp                 | 48 ++++++++++++++++++++++
 pcsx2/windows/VCprojects/pcsx2_2008.vcproj |  7 +++-
 4 files changed, 58 insertions(+), 3 deletions(-)
 create mode 100644 pcsx2/windows/DwmSetup.cpp

diff --git a/pcsx2/gui/AppInit.cpp b/pcsx2/gui/AppInit.cpp
index baa971ae47..d630cdce15 100644
--- a/pcsx2/gui/AppInit.cpp
+++ b/pcsx2/gui/AppInit.cpp
@@ -294,6 +294,11 @@ bool Pcsx2App::OnInit()
 		SysDetect();
 		AppApplySettings();
 
+#ifdef __WIN32__
+		extern void SetupDwmStuff(WXHWND hMainWindow);
+		SetupDwmStuff(m_MainFrame->GetHWND());
+#endif
+
 		m_CoreAllocs = new SysCoreAllocations();
 
 		if( m_CoreAllocs->HadSomeFailures( g_Conf->EmuOptions.Cpu.Recompiler ) )
diff --git a/pcsx2/gui/MainFrame.cpp b/pcsx2/gui/MainFrame.cpp
index 9455ac3a4f..e318b10972 100644
--- a/pcsx2/gui/MainFrame.cpp
+++ b/pcsx2/gui/MainFrame.cpp
@@ -269,7 +269,6 @@ MainEmuFrame::MainEmuFrame(wxWindow* parent, const wxString& title):
 	m_Listener_SettingsApplied( wxGetApp().Source_SettingsApplied(), EventListener<int>( this, OnSettingsApplied ) ),
 	m_Listener_SettingsLoadSave( wxGetApp().Source_SettingsLoadSave(), EventListener<IniInterface>( this, OnSettingsLoadSave ) )
 {
-
 	for( int i=0; i<PluginId_Count; ++i )
 		m_PluginMenuPacks[i].Populate( (PluginsEnum_t)i );
 
diff --git a/pcsx2/windows/DwmSetup.cpp b/pcsx2/windows/DwmSetup.cpp
new file mode 100644
index 0000000000..1d34b2811e
--- /dev/null
+++ b/pcsx2/windows/DwmSetup.cpp
@@ -0,0 +1,48 @@
+#include "PrecompiledHeader.h"
+#include <windows.h>
+#include "Utilities/Console.h"
+
+// This could potentially reduce lag while running in Aero,
+// by telling the DWM the application requires
+// multimedia-class scheduling for smooth display.
+void SetupDwmStuff(WXHWND hMainWindow)
+{
+	HRESULT (WINAPI * pDwmEnableMMCSS)(DWORD);
+
+	OSVERSIONINFOEX info = {0};
+	info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
+	info.dwMajorVersion = 6;
+
+	DWORDLONG mask=0;
+	VER_SET_CONDITION(mask,VER_MAJORVERSION,    VER_GREATER_EQUAL);
+	VER_SET_CONDITION(mask,VER_MINORVERSION,    VER_GREATER_EQUAL);
+	VER_SET_CONDITION(mask,VER_SERVICEPACKMAJOR,VER_GREATER_EQUAL);
+	VER_SET_CONDITION(mask,VER_SERVICEPACKMINOR,VER_GREATER_EQUAL);
+
+	//info
+	if(VerifyVersionInfo(&info,
+		VER_MAJORVERSION|VER_MINORVERSION|VER_SERVICEPACKMAJOR|VER_SERVICEPACKMINOR,
+		mask))
+	{
+		HMODULE hDwmapi = LoadLibrary(wxT("dwmapi.dll"));
+		if(hDwmapi)
+		{
+			pDwmEnableMMCSS = (HRESULT (WINAPI *)(DWORD))GetProcAddress(hDwmapi,"DwmEnableMMCSS");
+			if(pDwmEnableMMCSS)
+			{
+				if(FAILED(pDwmEnableMMCSS(TRUE)))
+				{
+					Console.WriteLn("Warning: DwmEnableMMCSS returned a failure code (not an error).");
+				}
+				else
+				{
+					Console.WriteLn("DwmEnableMMCSS successful.");
+				}
+			}
+
+			//DwmSetDxFrameDuration(hMainWindow,1);
+
+			FreeLibrary(hDwmapi);
+		}
+	}
+}
\ No newline at end of file
diff --git a/pcsx2/windows/VCprojects/pcsx2_2008.vcproj b/pcsx2/windows/VCprojects/pcsx2_2008.vcproj
index d07eec9b82..dcf8626c2e 100644
--- a/pcsx2/windows/VCprojects/pcsx2_2008.vcproj
+++ b/pcsx2/windows/VCprojects/pcsx2_2008.vcproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="windows-1253"?>
 <VisualStudioProject
 	ProjectType="Visual C++"
-	Version="9.00"
+	Version="9,00"
 	Name="pcsx2"
 	ProjectGUID="{1CEFD830-2B76-4596-A4EE-BCD7280A60BD}"
 	RootNamespace="pcsx2"
@@ -69,7 +69,6 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalOptions="/MACHINE:I386"
 				AdditionalDependencies="zlib.lib rpcrt4.lib"
 				OutputFile="$(OutDir)\$(ProjectName)-dbg.exe"
 			/>
@@ -2477,6 +2476,10 @@
 			<Filter
 				Name="Win32"
 				>
+				<File
+					RelativePath="..\DwmSetup.cpp"
+					>
+				</File>
 				<File
 					RelativePath="..\WinCompressNTFS.cpp"
 					>