Added support for Kega Fusion RPI filter files

VBA.vcproj

@@ -466,6 +466,10 @@
 					RelativePath=".\src\pixel.cpp"
 					>
 				</File>
+				<File
+					RelativePath=".\src\win32\rpi.cpp"
+					>
+				</File>
 				<File
 					RelativePath=".\src\scanline.cpp"
 					>
@@ -998,6 +1002,10 @@
 					RelativePath=".\src\win32\RomInfo.cpp"
 					>
 				</File>
+				<File
+					RelativePath=".\src\win32\SelectPlugin.cpp"
+					>
+				</File>
 				<File
 					RelativePath=".\src\win32\skin.cpp"
 					>
@@ -1220,6 +1228,10 @@
 			<Filter
 				Name="Filters"
 				>
+				<File
+					RelativePath=".\src\win32\rpi.h"
+					>
+				</File>
 				<Filter
 					Name="HQ"
 					>
@@ -1512,6 +1524,10 @@
 					RelativePath=".\src\win32\RomInfo.h"
 					>
 				</File>
+				<File
+					RelativePath=".\src\win32\SelectPlugin.h"
+					>
+				</File>
 				<File
 					RelativePath=".\src\win32\StringTokenizer.h"
 					>

src/win32/MainWnd.cpp

@@ -182,6 +182,7 @@ BEGIN_MESSAGE_MAP(MainWnd, CWnd)
   ON_UPDATE_COMMAND_UI(ID_OPTIONS_VIDEO_RENDEROPTIONS_GLQUADS, OnUpdateOptionsVideoRenderoptionsGlquads)
     ON_COMMAND(ID_OPTIONS_VIDEO_RENDEROPTIONS_GLPOLYGONS, OnOptionsVideoRenderoptionsGlpolygons)
   ON_UPDATE_COMMAND_UI(ID_OPTIONS_VIDEO_RENDEROPTIONS_GLPOLYGONS, OnUpdateOptionsVideoRenderoptionsGlpolygons)
+
   ON_COMMAND(ID_OPTIONS_VIDEO_RENDEROPTIONS_SELECTSKIN, OnOptionsVideoRenderoptionsSelectskin)
   ON_UPDATE_COMMAND_UI(ID_OPTIONS_VIDEO_RENDEROPTIONS_SELECTSKIN, OnUpdateOptionsVideoRenderoptionsSelectskin)
   ON_COMMAND(ID_OPTIONS_VIDEO_RENDEROPTIONS_SKIN, OnOptionsVideoRenderoptionsSkin)
@@ -382,6 +383,7 @@ BEGIN_MESSAGE_MAP(MainWnd, CWnd)
 	ON_UPDATE_COMMAND_UI(ID_CHEATS_DISABLECHEATS, OnUpdateCheatsDisablecheats)
 	ON_COMMAND(ID_OPTIONS_VIDEO_FULLSCREENMAXSCALE, OnOptionsVideoFullscreenmaxscale)
 	ON_COMMAND(ID_OPTIONS_EMULATOR_GAMEOVERRIDES, OnOptionsEmulatorGameoverrides)
+    ON_COMMAND(ID_OPTIONS_SELECT_PLUGIN, OnOptionsSelectPlugin)
 	ON_UPDATE_COMMAND_UI(ID_OPTIONS_EMULATOR_GAMEOVERRIDES, OnUpdateOptionsEmulatorGameoverrides)
 	ON_COMMAND(ID_HELP_GNUPUBLICLICENSE, OnHelpGnupubliclicense)
 	ON_COMMAND(ID_OPTIONS_LINK_OPTIONS, OnLinkOptions)
@@ -416,6 +418,8 @@ BEGIN_MESSAGE_MAP(MainWnd, CWnd)
   ON_COMMAND_EX_RANGE(ID_OPTIONS_FILTER_BILINEAR, ID_OPTIONS_FILTER_BILINEARPLUS, OnOptionsFilter)
   ON_COMMAND_EX_RANGE(ID_OPTIONS_FILTER_SCANLINES, ID_OPTIONS_FILTER_SCANLINES, OnOptionsFilter)
   ON_COMMAND_EX_RANGE(ID_OPTIONS_FILTER_HQ2X, ID_OPTIONS_FILTER_LQ2X, OnOptionsFilter)
+  ON_COMMAND_EX_RANGE(ID_OPTIONS_FILTER_PLUGIN, ID_OPTIONS_FILTER_PLUGIN, OnOptionsFilter)
+  ON_UPDATE_COMMAND_UI_RANGE(ID_OPTIONS_FILTER_PLUGIN, ID_OPTIONS_FILTER_PLUGIN, OnUpdateOptionsFilter)
   ON_COMMAND_EX(ID_OPTIONS_FILTER_HQ3X, OnOptionsFilter)
   ON_COMMAND_EX(ID_OPTIONS_FILTER_HQ4X, OnOptionsFilter)
   ON_COMMAND_EX(ID_OPTIONS_FILTER_SIMPLE3X, OnOptionsFilter)

src/win32/MainWnd.h

@@ -211,6 +211,13 @@ class MainWnd : public CWnd
   afx_msg void OnUpdateOptionsVideoRenderoptionsGlquads(CCmdUI* pCmdUI);
     afx_msg void OnOptionsVideoRenderoptionsGlpolygons();
   afx_msg void OnUpdateOptionsVideoRenderoptionsGlpolygons(CCmdUI* pCmdUI);
+
+      afx_msg void OnOptionsVideoRenderoptionsGlACID();
+  afx_msg void OnUpdateOptionsVideoRenderoptionsGlACID(CCmdUI* pCmdUI);
+        afx_msg void OnOptionsVideoRenderoptionsGlPulsation();
+  afx_msg void OnUpdateOptionsVideoRenderoptionsGlPulsation(CCmdUI* pCmdUI);
+  afx_msg void OnOptionsVideoRenderoptionsGlNone();
+  afx_msg void OnUpdateOptionsVideoRenderoptionsGlNone(CCmdUI* pCmdUI);
   afx_msg void OnOptionsVideoRenderoptionsSelectskin();
   afx_msg void OnUpdateOptionsVideoRenderoptionsSelectskin(CCmdUI* pCmdUI);
   afx_msg void OnOptionsVideoRenderoptionsSkin();
@@ -414,6 +421,7 @@ class MainWnd : public CWnd
   afx_msg void OnCheatsDisablecheats();
   afx_msg void OnUpdateCheatsDisablecheats(CCmdUI* pCmdUI);
   afx_msg void OnOptionsVideoFullscreenmaxscale();
+  afx_msg void OnOptionsSelectPlugin();
   afx_msg void OnOptionsEmulatorGameoverrides();
   afx_msg void OnUpdateOptionsEmulatorGameoverrides(CCmdUI* pCmdUI);
 	afx_msg void OnHelpGnupubliclicense();

src/win32/MainWndOptions.cpp

@@ -33,6 +33,7 @@
 #include "skin.h"
 #include "Throttle.h"
 #include "WinResUtil.h"
+#include "SelectPlugin.h"
 
 #include "../System.h"
 #include "../agbprint.h"
@@ -628,6 +629,7 @@ void MainWnd::OnUpdateOptionsVideoRenderoptionsGlpolygons(CCmdUI* pCmdUI)
   pCmdUI->SetCheck(theApp.glType == 2);
 }
 
+
 void MainWnd::OnOptionsVideoRenderoptionsSelectskin()
 {
 #ifndef NOSKINS
@@ -1507,6 +1509,9 @@ BOOL MainWnd::OnOptionsFilter(UINT nID)
 	case ID_OPTIONS_FILTER_TVMODE:
 		theApp.filterType = FILTER_TVMODE;
 		break;
+case ID_OPTIONS_FILTER_PLUGIN:
+    theApp.filterType = FILTER_PLUGIN;
+    break;
 	case ID_OPTIONS_FILTER_2XSAI:
 		theApp.filterType = FILTER_2XSAI;
 		break;
@@ -1576,6 +1581,9 @@ void MainWnd::OnUpdateOptionsFilter(CCmdUI *pCmdUI)
   case ID_OPTIONS_FILTER_SUPER2XSAI:
     pCmdUI->SetCheck(theApp.filterType == FILTER_SUPER2XSAI);
     break;
+  case ID_OPTIONS_FILTER_PLUGIN:
+  pCmdUI->SetCheck(theApp.filterType == FILTER_PLUGIN);
+  break;
   case ID_OPTIONS_FILTER_SUPEREAGLE:
     pCmdUI->SetCheck(theApp.filterType == FILTER_SUPEREAGLE);
     break;
@@ -1959,3 +1967,13 @@ void MainWnd::OnUpdateOptionsSoundHardwareacceleration(CCmdUI *pCmdUI)
 {
   pCmdUI->SetCheck(!theApp.dsoundDisableHardwareAcceleration);
 }
+
+void MainWnd::OnOptionsSelectPlugin() 
+{
+  SelectPlugin dlg;
+
+  if (dlg.DoModal() == IDOK && theApp.filterType == FILTER_PLUGIN)
+  {
+	theApp.updateFilter();
+  }
+}

src/win32/SelectPlugin.cpp

@@ -0,0 +1,176 @@
+// SelectPlugin.cpp : implementation file
+//
+
+#include "stdafx.h"
+#include "vba.h"
+#include "SelectPlugin.h"
+#include "rpi.h"
+#include "reg.h"
+#include <vector>
+#include <string>
+
+using namespace std;
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+vector<PluginDesc> rpiPool;
+
+/////////////////////////////////////////////////////////////////////////////
+// SelectPlugin dialog
+
+
+SelectPlugin::SelectPlugin(CWnd* pParent /*=NULL*/)
+	: CDialog(SelectPlugin::IDD, pParent)
+{
+	//{{AFX_DATA_INIT(SelectPlugin)
+	//}}AFX_DATA_INIT
+}
+
+
+void SelectPlugin::DoDataExchange(CDataExchange* pDX)
+{
+	CDialog::DoDataExchange(pDX);
+	//{{AFX_DATA_MAP(SelectPlugin)
+	DDX_Control(pDX, IDC_COMBO_PLUGIN, m_comboPlugin);
+	//}}AFX_DATA_MAP
+}
+
+
+BEGIN_MESSAGE_MAP(SelectPlugin, CDialog)
+	//{{AFX_MSG_MAP(SelectPlugin)
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+/////////////////////////////////////////////////////////////////////////////
+// SelectPlugin message handlers
+
+void SelectPlugin::OnOK() 
+{
+	// TODO: Add extra validation here
+	if (m_comboPlugin.GetCount() > 0)
+	{
+		int nSel = m_comboPlugin.GetCurSel();
+		if (nSel >= 0 && nSel < rpiPool.size())
+			strcpy(theApp.pluginName, rpiPool[nSel].sFile);
+	}
+
+	CDialog::OnOK();
+}
+
+void SelectPlugin::OnCancel() 
+{
+	// TODO: Add extra cleanup here
+	
+	CDialog::OnCancel();
+}
+
+BOOL SelectPlugin::OnInitDialog() 
+{
+	CDialog::OnInitDialog();
+	
+	m_comboPlugin.ResetContent();
+
+	int nPluginCnt = EnumPlugins();
+	if (nPluginCnt > 0)
+	{
+		for (int i = 0; i < rpiPool.size(); i++)
+			m_comboPlugin.AddString(rpiPool[i].sDesc);
+
+		for (int ii = 0; ii < rpiPool.size(); ii++)
+		{
+			if (stricmp(theApp.pluginName, rpiPool[ii].sFile) == 0)
+			{
+				m_comboPlugin.SetCurSel(ii);
+				break;
+			}
+		}
+	}
+
+	
+	return TRUE;  // return TRUE unless you set the focus to a control
+	              // EXCEPTION: OCX Property Pages should return FALSE
+}
+
+int SelectPlugin::EnumPlugins()
+{
+	rpiPool.clear();
+
+	char sFindFile[MAX_PATH];
+	char *ptr;
+
+	GetModuleFileName(NULL, sFindFile, sizeof(sFindFile));
+	ptr = strrchr(sFindFile, '\\');
+	if (ptr)
+		*ptr = '\0';
+	strcat(sFindFile, "\\plugins\\*.rpi");
+
+	PluginDesc plugDesc;
+	WIN32_FIND_DATA FindFileData;
+	HANDLE hFind;
+
+	memset(&FindFileData, 0, sizeof(FindFileData));
+	hFind = FindFirstFile(sFindFile, &FindFileData);
+	if (hFind != INVALID_HANDLE_VALUE) 
+	{
+		if (GetPluginDesc(FindFileData.cFileName, &plugDesc))
+			rpiPool.push_back(plugDesc);
+
+		while (true) 
+		{
+			memset(&FindFileData, 0, sizeof(FindFileData));
+			if (!FindNextFile(hFind, &FindFileData))
+				break;
+
+			if (GetPluginDesc(FindFileData.cFileName, &plugDesc))
+				rpiPool.push_back(plugDesc);
+		}
+		FindClose(hFind);
+	}
+
+	return rpiPool.size();
+}
+
+bool SelectPlugin::GetPluginDesc(const char *sRpi, PluginDesc *pDesc)
+{
+	HINSTANCE rpiDLL = NULL;
+	char sFile[MAX_PATH];
+	char *ptr;
+
+	GetModuleFileName(NULL, sFile, sizeof(sFile));
+	ptr = strrchr(sFile, '\\');
+	if (ptr)
+		*ptr = '\0';
+	strcat(sFile, "\\plugins\\");
+	strcat(sFile, sRpi);
+
+  	rpiDLL = LoadLibrary(sFile);
+  	if (!rpiDLL)
+  		return false;
+
+	RENDPLUG_GetInfo fnGetInfo = (RENDPLUG_GetInfo) GetProcAddress(rpiDLL, "RenderPluginGetInfo");
+	RENDPLUG_Output fnOutput = (RENDPLUG_Output) GetProcAddress(rpiDLL, "RenderPluginOutput");
+	if (fnGetInfo == NULL || fnOutput == NULL)
+	{
+		FreeLibrary(rpiDLL);
+		rpiDLL = NULL;
+		return false;
+	}
+
+	RENDER_PLUGIN_INFO *pRPI = fnGetInfo();
+	if (pRPI == NULL)
+	{
+		FreeLibrary(rpiDLL);
+		return false;
+	}
+
+	memset(pDesc, 0, sizeof(PluginDesc));
+	strcpy(pDesc->sFile, sRpi);
+	strcpy(pDesc->sDesc, pRPI->Name);
+	FreeLibrary(rpiDLL);
+
+	return true;
+}

src/win32/SelectPlugin.h

@@ -0,0 +1,55 @@
+#if !defined(AFX_SELECTPLUGIN_H__A097B9D0_7C23_4C1A_A2D3_1AEC07501BBC__INCLUDED_)
+#define AFX_SELECTPLUGIN_H__A097B9D0_7C23_4C1A_A2D3_1AEC07501BBC__INCLUDED_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif // _MSC_VER > 1000
+// SelectPlugin.h : header file
+//
+
+/////////////////////////////////////////////////////////////////////////////
+// SelectPlugin dialog
+struct PluginDesc
+{
+	char sFile[MAX_PATH];
+	char sDesc[60];
+};
+
+class SelectPlugin : public CDialog
+{
+// Construction
+public:
+	SelectPlugin(CWnd* pParent = NULL);   // standard constructor
+	int EnumPlugins();
+	bool GetPluginDesc(const char *sRpi, PluginDesc *pDesc);
+
+// Dialog Data
+	//{{AFX_DATA(SelectPlugin)
+	enum { IDD = IDD_SELECT_PLUGIN };
+	CComboBox	m_comboPlugin;
+	//}}AFX_DATA
+
+
+// Overrides
+	// ClassWizard generated virtual function overrides
+	//{{AFX_VIRTUAL(SelectPlugin)
+	protected:
+	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
+	//}}AFX_VIRTUAL
+
+// Implementation
+protected:
+
+	// Generated message map functions
+	//{{AFX_MSG(SelectPlugin)
+	virtual void OnOK();
+	virtual void OnCancel();
+	virtual BOOL OnInitDialog();
+	//}}AFX_MSG
+	DECLARE_MESSAGE_MAP()
+};
+
+//{{AFX_INSERT_LOCATION}}
+// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
+
+#endif // !defined(AFX_SELECTPLUGIN_H__A097B9D0_7C23_4C1A_A2D3_1AEC07501BBC__INCLUDED_)

src/win32/VBA.cpp

@@ -29,6 +29,7 @@
 #include "skin.h"
 #include "WavWriter.h"
 #include "WinResUtil.h"
+#include "rpi.h"
 
 #include "../System.h"
 #include "../agbprint.h"
@@ -341,6 +342,7 @@ VBA::VBA()
 
 VBA::~VBA()
 {
+  rpiCleanup();
   InterframeCleanup();
 
   char winBuffer[2048];
@@ -708,6 +710,10 @@ void VBA::updateFilter()
 			filterFunction = NULL;
 			filterMagnification = 1;
 			break;
+        case FILTER_PLUGIN:
+	    if (rpiInit(pluginName))
+		filterFunction = rpiFilter;
+		break;
 		case FILTER_TVMODE:
 			filterFunction = ScanlinesTV;
 			filterMagnification = 2;
@@ -784,6 +790,10 @@ void VBA::updateFilter()
 				filterFunction = NULL;
 				filterMagnification = 1;
 				break;
+            	case FILTER_PLUGIN:
+	            if (rpiInit(pluginName))
+		        filterFunction = rpiFilter;
+		        break;
 			case FILTER_TVMODE:
 				filterFunction = ScanlinesTV32;
 				filterMagnification = 2;
@@ -854,8 +864,16 @@ void VBA::updateFilter()
 		}
 	}
 
+ if (filterType == FILTER_PLUGIN)
+	  {
+		  rect.right = sizeX * rpiScaleFactor();
+		  rect.bottom = sizeY * rpiScaleFactor();
+	  }
+	  else
+	  {
 	rect.right = sizeX * filterMagnification;
 	rect.bottom = sizeY * filterMagnification;
+}
 
 	if( filterType != FILTER_NONE )
 		memset(delta, 0xFF, sizeof(delta));
@@ -1329,6 +1347,8 @@ void VBA::loadSettings()
 
   videoOption = regQueryDwordValue("video", VIDEO_3X);
 
+  strcpy(pluginName, regQueryStringValue("pluginName", "Scale2x.rpi"));
+
   if(videoOption < VIDEO_1X || videoOption > VIDEO_OTHER)
     videoOption = VIDEO_3X;
 
@@ -1420,7 +1440,7 @@ void VBA::loadSettings()
     glType = 0;
 
   filterType = regQueryDwordValue("filter", 0);
-  if(filterType < 0 || filterType > 16)
+  if(filterType < 0 || filterType > 17)
     filterType = 0;
 
   disableMMX = regQueryDwordValue("disableMMX", false) ? true: false;
@@ -2425,7 +2445,7 @@ void VBA::saveSettings()
   regSetDwordValue("cheatsEnabled", cheatsEnabled);
   regSetDwordValue("fsMaxScale", fsMaxScale);
   regSetDwordValue("throttle", throttle);
-
+  regSetStringValue("pluginName", pluginName);
   regSetDwordValue("saveMoreCPU", Sm60FPS::bSaveMoreCPU);
   regSetDwordValue("LinkTimeout", linktimeout);
   regSetDwordValue("Linklog", linklog);

src/win32/VBA.h

@@ -54,6 +54,7 @@ enum pixelFilterType
 	FILTER_NONE,
 
 	FILTER_SIMPLE2X, FILTER_PIXELATE, FILTER_TVMODE, FILTER_SCANLINES,
+    FILTER_PLUGIN,
 	FILTER_BILINEAR, FILTER_BILINEARPLUS, FILTER_MAMESCALE2X,
 	FILTER_2XSAI, FILTER_SUPER2XSAI, FILTER_SUPEREAGLE, FILTER_LQ2X, FILTER_HQ2X,
 
@@ -85,6 +86,7 @@ class VBA : public CWinApp
   void (*ifbFunction)(u8*,u32,int,int);
   int ifbType;
   int filterType;
+  char pluginName[MAX_PATH];
   int filterWidth;
   int filterHeight;
   int filterMagnification;

src/win32/VBA.rc

@@ -51,6 +51,17 @@ END
 // Dialog
 //
 
+IDD_SELECT_PLUGIN DIALOG  0, 0, 201, 120
+STYLE DS_SETFONT | DS_MODALFRAME | WS_POPUP | WS_CAPTION | WS_SYSMENU
+CAPTION "Select Filter Plugin"
+FONT 8, "MS Sans Serif"
+BEGIN
+    DEFPUSHBUTTON   "OK",IDOK,39,89,50,14
+    PUSHBUTTON      "Cancel",IDCANCEL,103,89,50,14
+    COMBOBOX        IDC_COMBO_PLUGIN,20,28,163,58,CBS_DROPDOWN | WS_VSCROLL | WS_TABSTOP
+    LTEXT           "Filter Plugin:",IDC_STATIC,18,15,66,8
+END
+
 IDD_LINKTAB DIALOGEX 0, 0, 254, 203
 STYLE DS_SETFONT | DS_MODALFRAME | DS_3DLOOK | WS_POPUP | WS_CAPTION | WS_SYSMENU
 CAPTION "Link Options"
@@ -1615,6 +1626,8 @@ BEGIN
         END
         POPUP "&Pixel Filter"
         BEGIN
+            MENUITEM "Filter Plugin",               ID_OPTIONS_FILTER_PLUGIN
+            MENUITEM "Select Filter Plugin ...",    ID_OPTIONS_SELECT_PLUGIN
             POPUP "Magnification"
             BEGIN
                 MENUITEM "&None",                       ID_OPTIONS_FILTER_NORMAL

src/win32/resource.h

@@ -96,6 +96,8 @@
 #define IDD_MAX_SCALE                   154
 #define IDD_BUG_REPORT                  155
 #define IDD_GAME_OVERRIDES              156
+#define IDD_SELECT                      159
+#define IDD_SELECT_PLUGIN               159
 #define IDC_R0                          1000
 #define IDC_EDIT_UP                     1000
 #define IDC_R1                          1001
@@ -800,6 +802,10 @@
 #define ID_RENDERAPI_VERTEX             40336
 #define ID_OPTIONS_VIDEO_RENDEROPTIONS_GLPOLYGONS 40337
 
+#define ID_OPTIONS_FILTER_PLUGIN        40343
+#define ID_OPTIONS_SELECT_PLUGIN        40344
+#define IDC_COMBO_PLUGIN                40345
+
 // Next default values for new objects
 //
 #ifdef APSTUDIO_INVOKED

src/win32/rpi.cpp

@@ -0,0 +1,102 @@
+#include "stdafx.h"
+#include "rpi.h"
+
+extern void SuperEagle(u8*,u32,u8*,u8*,u32,int,int);
+
+static HINSTANCE rpiDLL = NULL;
+static RENDPLUG_Output fnOutput = NULL;
+static RENDPLUG_GetInfo fnGetInfo = NULL;
+static RENDER_PLUGIN_INFO MyPlugInfo;
+static RENDER_PLUGIN_OUTP MyPlugOutput;
+static int nScaleFactor;
+
+bool rpiInit(const char *sPluginName)
+{
+	rpiCleanup();
+	
+	char sBuffer[256];
+	char *ptr;
+
+	GetModuleFileName(NULL, sBuffer, sizeof(sBuffer));
+	ptr = strrchr(sBuffer, '\\');
+	if (ptr)
+		*ptr = '\0';
+	strcat(sBuffer, "\\plugins\\");
+	strcat(sBuffer, sPluginName);
+	
+  	rpiDLL = LoadLibrary(sBuffer);
+  	if (!rpiDLL)
+  		return false;
+
+	fnGetInfo = (RENDPLUG_GetInfo) GetProcAddress(rpiDLL, "RenderPluginGetInfo");
+	fnOutput = (RENDPLUG_Output) GetProcAddress(rpiDLL, "RenderPluginOutput");
+	if (fnGetInfo == NULL || fnOutput == NULL)
+	{
+		FreeLibrary(rpiDLL);
+		rpiDLL = NULL;
+		return false;
+	}
+
+	RENDER_PLUGIN_INFO *pRPI = fnGetInfo();
+	if (pRPI == NULL)
+	{
+		FreeLibrary(rpiDLL);
+		rpiDLL = NULL;
+		return false;
+	}
+
+	memcpy(&MyPlugInfo, pRPI, sizeof(MyPlugInfo));
+
+	unsigned long Flags = MyPlugInfo.Flags & 0x0000F0000;
+
+	if (Flags == RPI_OUT_SCL2)
+	{
+		nScaleFactor = 2;
+	}
+	else if (Flags == RPI_OUT_SCL3)
+	{
+		nScaleFactor = 3;
+	} 
+	else if (Flags == RPI_OUT_SCL4)
+	{
+		nScaleFactor = 4;
+	}
+	else
+	{
+		nScaleFactor = 2;
+	}
+
+	return true;
+}
+
+void rpiFilter(u8 *srcPtr, u32 srcPitch, u8 *deltaPtr, u8 *dstPtr, u32 dstPitch, int width, int height)
+{
+	MyPlugOutput.Size = sizeof(MyPlugOutput);
+	MyPlugOutput.Flags = MyPlugInfo.Flags;
+	MyPlugOutput.SrcPtr = srcPtr;
+	MyPlugOutput.SrcPitch = srcPitch;
+	MyPlugOutput.SrcW = width;
+	MyPlugOutput.SrcH = height;
+	MyPlugOutput.DstPtr = dstPtr;
+	MyPlugOutput.DstPitch = dstPitch;
+	MyPlugOutput.DstW = width * nScaleFactor;
+	MyPlugOutput.DstH = height * nScaleFactor;
+	MyPlugOutput.OutW = width * nScaleFactor;
+	MyPlugOutput.OutH = height * nScaleFactor;
+
+	fnOutput(&MyPlugOutput);
+}
+
+int rpiScaleFactor()
+{
+	return nScaleFactor;
+}
+
+void rpiCleanup()
+{
+	if (rpiDLL != NULL) 
+	{
+		FreeLibrary(rpiDLL);
+		rpiDLL = NULL;
+	}
+}

src/win32/rpi.h

@@ -0,0 +1,63 @@
+//---------------------------------------------------------------------------------------------------------------------------
+// hq2x plugin example - Steve Snake 2004.
+// This plugin uses (modified) code by Maxim Stepin - see "hq2x16.asm" for info
+// The original code and description of the algorithm can be found at:
+// http://www.hiend3d.com/hq2x.html
+//---------------------------------------------------------------------------------------------------------------------------
+#include	<windows.h>
+
+//---------------------------------------------------------------------------------------------------------------------------
+typedef struct
+{
+	unsigned long	Size;
+	unsigned long	Flags;
+	void			*SrcPtr;
+	unsigned long	SrcPitch;
+	unsigned long	SrcW;
+	unsigned long	SrcH;
+	void			*DstPtr;
+	unsigned long	DstPitch;
+	unsigned long	DstW;
+	unsigned long	DstH;
+	unsigned long	OutW;
+	unsigned long	OutH;
+} RENDER_PLUGIN_OUTP;
+
+//---------------------------------------------------------------------------------------------------------------------------
+
+typedef	void	(*RENDPLUG_Output)(RENDER_PLUGIN_OUTP *);
+
+//---------------------------------------------------------------------------------------------------------------------------
+
+typedef struct
+{
+	char			Name[60];
+	unsigned long	Flags;
+	HMODULE			Handle;
+	RENDPLUG_Output	Output;
+} RENDER_PLUGIN_INFO;
+
+//---------------------------------------------------------------------------------------------------------------------------
+
+typedef	RENDER_PLUGIN_INFO	*(*RENDPLUG_GetInfo)(void);
+
+//---------------------------------------------------------------------------------------------------------------------------
+
+#define	RPI_VERSION		0x02
+
+#define	RPI_MMX_USED	0x000000100
+#define	RPI_MMX_REQD	0x000000200
+#define	RPI_555_SUPP	0x000000400
+#define	RPI_565_SUPP	0x000000800
+#define	RPI_888_SUPP	0x000001000
+
+#define	RPI_OUT_SCL2	0x000020000
+#define	RPI_OUT_SCL3	0x000030000
+#define	RPI_OUT_SCL4	0x000040000
+
+//---------------------------------------------------------------------------------------------------------------------------
+
+int rpiScaleFactor();
+bool rpiInit(const char *sPluginName);
+void rpiFilter(u8 *srcPtr, u32 srcPitch, u8 *deltaPtr, u8 *dstPtr, u32 dstPitch, int width, int height);
+void rpiCleanup();