diff src/video/symbian/EKA1/SDL_epocvideo.cpp @ 3975:e85e65aec22f SDL-1.2

Added S60 port.
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 24 Jun 2007 18:26:35 +0000
parents
children a1b03ba2fcd0
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/symbian/EKA1/SDL_epocvideo.cpp	Sun Jun 24 18:26:35 2007 +0000
@@ -0,0 +1,1356 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public
+    License along with this library; if not, write to the Free
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Sam Lantinga
+    slouken@devolution.com
+*/
+
+/*
+    SDL_epocvideo.cpp
+    Epoc based SDL video driver implementation
+
+    Thanks to Peter van Sebille, the author of EMame. It is a great example of 
+    low level graphics coding in Epoc.
+
+    Epoc version by Hannu Viitala (hannu.j.viitala@mbnet.fi)
+	Assembler routines by Kimmo Kinnunen
+*/
+
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+extern "C" {
+#include "SDL_error.h"
+#include "SDL_timer.h"
+#include "SDL_video.h"
+#undef NULL
+#include "SDL_pixels_c.h"
+#include "SDL.h"
+};
+
+#include "SDL_epocvideo.h"
+#include "SDL_epocevents_c.h"
+
+#include "sdl_epocruntime.h"
+
+#include <hal.h>
+#include <coedef.h>
+#include <flogger.h>
+
+#ifdef SYMBIAN_QUARTZ
+SDL_VideoDevice* _thisDevice;
+#endif
+
+_LIT(KLibName, "SDL");
+
+/* For debugging */
+
+//if old SOS, from 7.x this is public!
+class CLockable : public CFbsBitmap
+    {
+    public:
+        static  CLockable* Lockable(CFbsBitmap* aBmp) {return static_cast<CLockable*>(aBmp);}
+        void Lock() {LockHeap();}
+        void Unlock() {UnlockHeap();}
+    };
+#define LockHeap(x) CLockable::Lockable(x)->Lock()
+#define UnlockHeap(x) CLockable::Lockable(x)->Unlock()
+
+void RDebug_Print_b(char* error_str, void* param)
+    {
+    TBuf8<128> error8((TUint8*)error_str);
+    TBuf<128> error;
+    error.Copy(error8);
+
+#ifndef TRACE_TO_FILE
+    if (param) //!! Do not work if the parameter is really 0!!
+        RDebug::Print(error, param);
+    else 
+        RDebug::Print(error);
+#else
+    if (param) //!! Do not work if the parameter is really 0!!
+        RFileLogger::WriteFormat(KLibName, _L("SDL.txt"), EFileLoggingModeAppend, error, param);
+    else 
+        RFileLogger::Write(KLibName, _L("SDL.txt"), EFileLoggingModeAppend, error);
+#endif
+
+    }
+
+extern "C" void RDebug_Print(char* error_str, void* param)
+    {
+    RDebug_Print_b(error_str, param);
+    }
+
+
+int Debug_AvailMem2()
+    {
+    //User::CompressAllHeaps();
+    TMemoryInfoV1Buf membuf; 
+    User::LeaveIfError(UserHal::MemoryInfo(membuf));
+    TMemoryInfoV1 minfo = membuf();
+	return(minfo.iFreeRamInBytes);
+    }
+
+extern "C" int Debug_AvailMem()
+    {
+    return(Debug_AvailMem2());
+    }
+
+
+extern "C" {
+
+/* Initialization/Query functions */
+
+static int EPOC_VideoInit(_THIS, SDL_PixelFormat *vformat);
+static SDL_Rect **EPOC_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
+static SDL_Surface *EPOC_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
+static int EPOC_SetColors(_THIS, int firstcolor, int ncolors,
+			  SDL_Color *colors);
+static void EPOC_VideoQuit(_THIS);
+
+/* Hardware surface functions */
+
+static int EPOC_AllocHWSurface(_THIS, SDL_Surface *surface);
+static int EPOC_LockHWSurface(_THIS, SDL_Surface *surface);
+static int EPOC_FlipHWSurface(_THIS, SDL_Surface *surface);
+static void EPOC_UnlockHWSurface(_THIS, SDL_Surface *surface);
+static void EPOC_FreeHWSurface(_THIS, SDL_Surface *surface);
+static void EPOC_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
+
+static int EPOC_Available(void);
+static SDL_VideoDevice *EPOC_CreateDevice(int devindex);
+
+void DrawBackground(_THIS);
+void DirectDraw(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer);
+void DirectDrawRotated(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer);
+
+/* Mouse functions */
+
+static WMcursor *EPOC_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y);
+static void EPOC_FreeWMCursor(_THIS, WMcursor *cursor);
+static int EPOC_ShowWMCursor(_THIS, WMcursor *cursor);
+
+
+
+/* !!For 12 bit screen HW. Table for fast conversion from 8 bit to 12 bit */
+// TUint16 is enough, but using TUint32 so we can use better instruction selection on ARMI
+static TUint32 EPOC_HWPalette_256_to_Screen[256];
+
+VideoBootStrap EPOC_bootstrap = {
+	"epoc", "EPOC system",
+    EPOC_Available, EPOC_CreateDevice
+};
+
+const TUint32 WindowClientHandle = 9210; //!! const
+
+/* Epoc video driver bootstrap functions */
+
+static int EPOC_Available(void)
+{
+    return 1; /* Always available */
+}
+
+static void EPOC_DeleteDevice(SDL_VideoDevice *device)
+{
+	free(device->hidden);
+	free(device);
+}
+
+static SDL_VideoDevice *EPOC_CreateDevice(int /*devindex*/)
+{
+	SDL_VideoDevice *device;
+
+	SDL_TRACE("SDL:EPOC_CreateDevice");
+
+	/* Allocate all variables that we free on delete */
+	device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
+	if ( device ) {
+		memset(device, 0, (sizeof *device));
+		device->hidden = (struct SDL_PrivateVideoData *)
+				malloc((sizeof *device->hidden));
+	}
+	if ( (device == NULL) || (device->hidden == NULL) ) {
+		SDL_OutOfMemory();
+		if ( device ) {
+			free(device);
+		}
+		return(0);
+	}
+	memset(device->hidden, 0, (sizeof *device->hidden));
+
+	/* Set the function pointers */
+	device->VideoInit = EPOC_VideoInit;
+	device->ListModes = EPOC_ListModes;
+	device->SetVideoMode = EPOC_SetVideoMode;
+	device->SetColors = EPOC_SetColors;
+	device->UpdateRects = NULL;
+	device->VideoQuit = EPOC_VideoQuit;
+	device->AllocHWSurface = EPOC_AllocHWSurface;
+	device->CheckHWBlit = NULL;
+	device->FillHWRect = NULL;
+	device->SetHWColorKey = NULL;
+	device->SetHWAlpha = NULL;
+	device->LockHWSurface = EPOC_LockHWSurface;
+	device->UnlockHWSurface = EPOC_UnlockHWSurface;
+	device->FlipHWSurface = EPOC_FlipHWSurface;
+	device->FreeHWSurface = EPOC_FreeHWSurface;
+	device->SetIcon = NULL;
+	device->SetCaption = NULL;
+	device->GetWMInfo = NULL;
+	device->FreeWMCursor = EPOC_FreeWMCursor;
+	device->CreateWMCursor = EPOC_CreateWMCursor;
+	device->ShowWMCursor = EPOC_ShowWMCursor;
+	device->WarpWMCursor = NULL;
+	device->InitOSKeymap = EPOC_InitOSKeymap;
+	device->PumpEvents = EPOC_PumpEvents;
+	device->free = EPOC_DeleteDevice;
+
+	return device;
+}
+
+
+int GetBpp(TDisplayMode displaymode)
+{
+    /*TInt numColors = TDisplayModeUtils::NumDisplayModeColors(displaymode);
+    TInt bitsPerPixel = 1;
+    for (TInt32 i = 2; i < numColors; i <<= 1, bitsPerPixel++);
+    return bitsPerPixel;*/
+    return  TDisplayModeUtils::NumDisplayModeBitsPerPixel(displaymode);   
+}
+
+
+void DisableKeyBlocking(_THIS)
+    {
+    // Disable key blocking
+    TRawEvent event;
+    event.Set((TRawEvent::TType)/*EDisableKeyBlock*/51); // !!EDisableKeyBlock not found in epoc32\include!
+    Private->EPOC_WsSession.SimulateRawEvent(event);
+    }
+
+void ConstructWindowL(_THIS)
+{
+	TInt	error;
+
+	SDL_TRACE("SDL:ConstructWindowL");
+	error = Private->EPOC_WsSession.Connect();
+	User::LeaveIfError(error);
+	Private->EPOC_WsScreen=new(ELeave) CWsScreenDevice(Private->EPOC_WsSession);
+	User::LeaveIfError(Private->EPOC_WsScreen->Construct());
+	User::LeaveIfError(Private->EPOC_WsScreen->CreateContext(Private->EPOC_WindowGc));
+
+	Private->EPOC_WsWindowGroup=RWindowGroup(Private->EPOC_WsSession);
+	User::LeaveIfError(Private->EPOC_WsWindowGroup.Construct(WindowClientHandle));
+	Private->EPOC_WsWindowGroup.SetOrdinalPosition(0);
+
+	// Set window group name (the same as process name)) !!Gives always "EPOC" in WINS
+	RProcess thisProcess;
+	TParse exeName;
+	exeName.Set(thisProcess.FileName(), NULL, NULL);
+    TBuf<32> winGroupName;
+    winGroupName.Append(0);
+    winGroupName.Append(0);
+    winGroupName.Append(0);// uid
+    winGroupName.Append(0);
+    winGroupName.Append(exeName.Name()); // caption
+    winGroupName.Append(0);
+    winGroupName.Append(0); //doc name
+	Private->EPOC_WsWindowGroup.SetName(winGroupName); 
+
+	Private->EPOC_WsWindow=RWindow(Private->EPOC_WsSession);
+  // Markus, it was:
+  // User::LeaveIfError(Private->EPOC_WsWindow.Construct(Private->EPOC_WsWindowGroup,WindowClientHandle ));
+  // but SOS 7.0s debug does not accept same window handle twice
+	User::LeaveIfError(Private->EPOC_WsWindow.Construct(Private->EPOC_WsWindowGroup,WindowClientHandle - 1));
+	Private->EPOC_WsWindow.SetBackgroundColor(KRgbWhite);
+    Private->EPOC_WsWindow.Activate();
+	Private->EPOC_WsWindow.SetSize(Private->EPOC_WsScreen->SizeInPixels()); 
+	Private->EPOC_WsWindow.SetVisible(ETrue);
+
+    Private->EPOC_WsWindowGroupID = Private->EPOC_WsWindowGroup.Identifier();
+    Private->EPOC_IsWindowFocused = EFalse;
+
+    DisableKeyBlocking(_this); //disable key blocking
+}
+
+int EPOC_VideoInit(_THIS, SDL_PixelFormat *vformat)
+{
+    // !!TODO:handle leave functions!
+
+    int i;
+
+	SDL_TRACE("SDL:EPOC_VideoInit");
+
+	/* Initialize all variables that we clean on shutdown */   
+
+	for ( i=0; i<SDL_NUMMODES; ++i ) {
+		Private->SDL_modelist[i] = (SDL_Rect *)malloc(sizeof(SDL_Rect));
+		Private->SDL_modelist[i]->x = Private->SDL_modelist[i]->y = 0;
+	}
+
+	/* Modes sorted largest to smallest */
+	Private->SDL_modelist[0]->w = 800; Private->SDL_modelist[0]->h = 250;
+	Private->SDL_modelist[1]->w = 640; Private->SDL_modelist[1]->h = 480;
+	Private->SDL_modelist[2]->w = 480; Private->SDL_modelist[2]->h = 600;
+	Private->SDL_modelist[3]->w = 640; Private->SDL_modelist[3]->h = 400;
+	Private->SDL_modelist[4]->w = 352; Private->SDL_modelist[4]->h = 416;
+	Private->SDL_modelist[5]->w = 416; Private->SDL_modelist[5]->h = 352;
+	Private->SDL_modelist[6]->w = 416; Private->SDL_modelist[6]->h = 312;
+	Private->SDL_modelist[7]->w = 352; Private->SDL_modelist[7]->h = 264;
+	Private->SDL_modelist[8]->w = 800; Private->SDL_modelist[8]->h = 240; //for doom all these..
+	Private->SDL_modelist[9]->w = 640; Private->SDL_modelist[9]->h = 240; 
+	Private->SDL_modelist[10]->w = 480; Private->SDL_modelist[10]->h = 240; 
+	Private->SDL_modelist[11]->w = 640; Private->SDL_modelist[11]->h = 240; 
+	Private->SDL_modelist[12]->w = 352; Private->SDL_modelist[12]->h = 240; 
+	Private->SDL_modelist[13]->w = 416; Private->SDL_modelist[13]->h = 240; 
+	Private->SDL_modelist[14]->w = 416; Private->SDL_modelist[14]->h = 240; 
+	Private->SDL_modelist[15]->w = 352; Private->SDL_modelist[15]->h = 240; 
+    Private->SDL_modelist[16]->w = 640; Private->SDL_modelist[16]->h = 200; 
+	Private->SDL_modelist[17]->w = 320; Private->SDL_modelist[17]->h = 240; //...for doom, currently engine renders no-higher windows :-(, propably should get fixed 
+	Private->SDL_modelist[18]->w = 320; Private->SDL_modelist[18]->h = 200;
+	Private->SDL_modelist[19]->w = 256; Private->SDL_modelist[19]->h = 192;
+	Private->SDL_modelist[20]->w = 176; Private->SDL_modelist[20]->h = 208;
+	Private->SDL_modelist[21]->w = 208; Private->SDL_modelist[21]->h = 176; // Rotated
+	Private->SDL_modelist[22]->w = 160; Private->SDL_modelist[22]->h = 144; 
+
+    Private->SDL_modelist[23]->w = 640; Private->SDL_modelist[2]->h = 200;  //s80 some new modes 
+    Private->SDL_modelist[24]->w = 640; Private->SDL_modelist[2]->h = 320;  //s90 modes are added
+    Private->SDL_modelist[25]->w = 640; Private->SDL_modelist[2]->h = 240;  //here
+	Private->SDL_modelist[26]->w = 640; Private->SDL_modelist[4]->h = 200;  //now
+
+	Private->SDL_modelist[27] = NULL;
+
+    /* Construct Epoc window */
+
+    ConstructWindowL(_this);
+
+    /* Initialise Epoc frame buffer */
+
+    TDisplayMode displayMode = Private->EPOC_WsScreen->DisplayMode();
+
+#if !defined(__WINS__) && !defined(TEST_BM_DRAW)
+
+    TScreenInfoV01 screenInfo;
+	TPckg<TScreenInfoV01> sInfo(screenInfo);
+	UserSvr::ScreenInfo(sInfo);
+
+	Private->EPOC_ScreenSize		= screenInfo.iScreenSize; 
+	Private->EPOC_DisplayMode		= displayMode;
+    Private->EPOC_HasFrameBuffer	= screenInfo.iScreenAddressValid;
+	Private->EPOC_FrameBuffer		= Private->EPOC_HasFrameBuffer ? (TUint8*) screenInfo.iScreenAddress : NULL;
+	Private->EPOC_BytesPerPixel	    = ((GetBpp(displayMode)-1) / 8) + 1;
+	
+    Private->EPOC_BytesPerScanLine	= screenInfo.iScreenSize.iWidth * Private->EPOC_BytesPerPixel;
+	Private->EPOC_BytesPerScreen	= Private->EPOC_BytesPerScanLine * Private->EPOC_ScreenSize.iHeight;
+
+    SDL_TRACE1("Screen width %d", screenInfo.iScreenSize.iWidth);
+    SDL_TRACE1("Screen height %d", screenInfo.iScreenSize.iHeight);
+    SDL_TRACE1("Screen dmode %d", displayMode);
+    SDL_TRACE1("Screen valid %d", screenInfo.iScreenAddressValid);
+
+    SDL_TRACE1("bpp %d", Private->EPOC_BytesPerPixel);
+    SDL_TRACE1("bpsl %d", Private->EPOC_BytesPerScanLine);
+    SDL_TRACE1("bps %d", Private->EPOC_BytesPerScreen);
+
+
+    /* It seems that in SA1100 machines for 8bpp displays there is a 512 palette table at the 
+     * beginning of the frame buffer. E.g. Series 7 and Netbook.
+     * In 12 bpp machines the table has 16 entries.
+	 */
+	if (Private->EPOC_HasFrameBuffer && GetBpp(displayMode) == 8)
+        {
+		Private->EPOC_FrameBuffer += 512;
+        }
+	else
+        {
+        Private->EPOC_FrameBuffer += 32;
+        }
+        /*if (Private->EPOC_HasFrameBuffer && GetBpp(displayMode) == 12)
+		Private->EPOC_FrameBuffer += 16 * 2;
+    if (Private->EPOC_HasFrameBuffer && GetBpp(displayMode) == 16)
+		Private->EPOC_FrameBuffer += 16 * 2;
+    */
+#else /* defined __WINS__ */
+    
+    /* Create bitmap, device and context for screen drawing */
+    Private->EPOC_ScreenSize        = Private->EPOC_WsScreen->SizeInPixels();
+
+	Private->EPOC_Bitmap = new (ELeave) CWsBitmap(Private->EPOC_WsSession);
+	Private->EPOC_Bitmap->Create(Private->EPOC_ScreenSize, displayMode);
+
+	Private->EPOC_DisplayMode	    = displayMode;
+    Private->EPOC_HasFrameBuffer    = ETrue;
+    Private->EPOC_FrameBuffer       = NULL; /* Private->EPOC_Bitmap->DataAddress() can change any time */
+	Private->EPOC_BytesPerPixel	    = ((GetBpp(displayMode)-1) / 8) + 1;
+	Private->EPOC_BytesPerScanLine  = Private->EPOC_WsScreen->SizeInPixels().iWidth * Private->EPOC_BytesPerPixel;
+
+#endif /* __WINS__ */
+
+#ifndef SYMBIAN_CRYSTAL
+	// Get draw device for updating the screen
+	TScreenInfoV01 screenInfo2;
+    
+    Epoc_Runtime::GetScreenInfo(screenInfo2);
+
+	TRAPD(status, Private->EPOC_DrawDevice = CFbsDrawDevice::NewScreenDeviceL(screenInfo2, displayMode));
+	User::LeaveIfError(status);
+#endif
+
+    /* The "best" video format should be returned to caller. */
+
+    vformat->BitsPerPixel       = /*!!GetBpp(displayMode) */ 8;
+    vformat->BytesPerPixel      = /*!!Private->EPOC_BytesPerPixel*/ 1;
+
+    /* Activate events for me */
+
+	Private->EPOC_WsEventStatus = KRequestPending;
+	Private->EPOC_WsSession.EventReady(&Private->EPOC_WsEventStatus);
+
+    SDL_TRACE("SDL:WsEventStatus");
+    User::WaitForRequest(Private->EPOC_WsEventStatus); //Markus: I added this and ...
+
+	Private->EPOC_RedrawEventStatus = KRequestPending;
+	Private->EPOC_WsSession.RedrawReady(&Private->EPOC_RedrawEventStatus);
+    
+    SDL_TRACE("SDL:RedrawEventStatus");
+    User::WaitForRequest(Private->EPOC_RedrawEventStatus); //...this, if not catches a stray event is risen
+                                                           //if there are active objects used, or confucing
+                                                           //actions with User::WaitForAnyRequest
+    Private->EPOC_WsWindow.PointerFilter(EPointerFilterDrag, 0); 
+
+    Private->EPOC_ScreenOffset = TPoint(0, 0);
+
+#if defined(__WINS__) || defined(TEST_BM_DRAW)
+	LockHeap(Private->EPOC_Bitmap); // Lock bitmap heap
+#endif
+
+    SDL_TRACE("SDL:DrawBackground");
+	DrawBackground(_this); // Clear screen
+
+#if defined(__WINS__) || defined(TEST_BM_DRAW)
+	UnlockHeap(Private->EPOC_Bitmap); // Unlock bitmap heap
+#endif
+    //!! TODO: error handling
+    //if (ret != KErrNone)
+    //    return(-1);
+    //else
+	    return(0);
+}
+
+
+SDL_Rect **EPOC_ListModes(_THIS, SDL_PixelFormat *format, Uint32 /*flags*/)
+{
+    if (format->BitsPerPixel == 12 || format->BitsPerPixel == 8)
+        return Private->SDL_modelist;
+    return NULL;
+}
+
+int EPOC_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
+{
+	if ((firstcolor+ncolors) > 256)
+		return -1;
+//    SDL_TRACE1("colors %d", (TDisplayModeUtils::NumDisplayModeColors(Private->EPOC_DisplayMode)));
+    if(TDisplayModeUtils::NumDisplayModeColors(Private->EPOC_DisplayMode) == 4096)
+        {
+	// Set 12 bit palette
+        for(int i = firstcolor; i < ncolors; i++)
+            {
+	        // 4k value: 0000 rrrr gggg bbbb
+	        TUint32 color4K	 = (colors[i].r & 0x0000f0) << 4;
+	        color4K			|= (colors[i].g & 0x0000f0);      
+	        color4K			|= (colors[i].b & 0x0000f0) >> 4;
+            EPOC_HWPalette_256_to_Screen[i] = color4K;
+            }
+        }
+    else if(TDisplayModeUtils::NumDisplayModeColors(Private->EPOC_DisplayMode) == 65536)
+        {
+        for(int i = firstcolor; i < ncolors; i++)
+            {
+			// 64k-colour displays effectively support RGB values
+			// with 5 bits allocated to red, 6 to green and 5 to blue
+			// 64k value: rrrr rggg gggb bbbb
+	        TUint32 color64K = (colors[i].r & 0x0000f8) << 8;
+	        color64K		|= (colors[i].g & 0x0000fc) << 3;
+	        color64K		|= (colors[i].b & 0x0000f8) >> 3;
+            EPOC_HWPalette_256_to_Screen[i] = color64K;
+            }
+        }
+    else if(TDisplayModeUtils::NumDisplayModeColors(Private->EPOC_DisplayMode) == 16777216)
+        {
+        for(int i = firstcolor; i < ncolors; i++)
+            {
+			// 16M-colour
+            //0000 0000 rrrr rrrr gggg gggg bbbb bbbb
+	        TUint32 color16M = colors[i].r << 16;
+	        color16M		|= colors[i].g << 8;
+	        color16M		|= colors[i].b;
+            EPOC_HWPalette_256_to_Screen[i] = color16M;
+            }
+        }
+    else
+        {
+        return -2;
+        }
+	return(0);
+}
+
+
+SDL_Surface *EPOC_SetVideoMode(_THIS, SDL_Surface *current,
+				int width, int height, int bpp, Uint32 /*flags*/)
+{
+	SDL_TRACE("SDL:EPOC_SetVideoMode");
+    /* Check parameters */
+#ifdef SYMBIAN_CRYSTAL
+   if (! (bpp == 8 || bpp == 12 || bpp == 16) &&
+		 (
+		  (width == 640 && height == 200) ||
+          (width == 640 && height == 400) || 
+          (width == 640 && height == 480) || 
+          (width == 320 && height == 200) || 
+          (width == 320 && height == 240)
+		 )) {
+		SDL_SetError("Requested video mode is not supported");
+        return NULL;
+    }
+#else // SYMBIAN_SERIES60
+   if (! (bpp == 8 || bpp == 12 || bpp == 16) &&
+		 (
+		  (width == 320 && height == 200) || 
+          (width == 320 && height == 240) ||
+		  (width == 256 && height == 192) ||  
+		  (width == 176 && height == 208) || 
+		  (width == 208 && height == 176) || // Rotated
+		  (width == 160 && height == 144)    
+		 )) {
+		SDL_SetError("Requested video mode is not supported");
+        return NULL;
+    }
+#endif
+
+    if (current && current->pixels) {
+        free(current->pixels);
+        current->pixels = NULL;
+    }
+	if ( ! SDL_ReallocFormat(current, bpp, 0, 0, 0, 0) ) {
+		return(NULL);
+	}
+
+    /* Set up the new mode framebuffer */
+    if (bpp == 8) 
+	    current->flags = (SDL_FULLSCREEN|SDL_SWSURFACE|SDL_PREALLOC|SDL_HWPALETTE); 
+    else // 12 bpp, 16 bpp
+	    current->flags = (SDL_FULLSCREEN|SDL_SWSURFACE|SDL_PREALLOC); 
+	current->w = width;
+	current->h = height;
+    int numBytesPerPixel = ((bpp-1)>>3) + 1;   
+	current->pitch = numBytesPerPixel * width; // Number of bytes in scanline 
+	current->pixels = malloc(width * height * numBytesPerPixel);
+	memset(current->pixels, 0, width * height * numBytesPerPixel);
+
+	/* Set the blit function */
+	_this->UpdateRects = EPOC_DirectUpdate;
+
+    /*
+     *  Logic for getting suitable screen dimensions, offset, scaling and orientation
+     */
+
+	int w = current->w;
+	int h = current->h;
+	
+	// Rotate, if the screen does not fit horizontally and it is landscape screen
+/*
+	if ((width>Private->EPOC_ScreenSize.iWidth) &&  (width>height)) {
+		Private->EPOC_ScreenOrientation = CFbsBitGc::EGraphicsOrientationRotated270;
+		w = current->h; 
+		h = current->w; 
+	}
+*/
+	// Get nearest stepwise scale values for width and height. The smallest supported scaled screen is 1/2.
+	TInt scaleValue = 0;
+	Private->EPOC_ScreenXScaleValue = 1;
+	Private->EPOC_ScreenYScaleValue = 1;
+	if (w > Private->EPOC_ScreenSize.iWidth) {
+		// Find the biggest scale value that result the width that fits in the screen HW
+		for (scaleValue = 2; scaleValue++;) {
+			TInt scaledWidth = (w * (scaleValue-1))/scaleValue;
+			if (scaledWidth > Private->EPOC_ScreenSize.iWidth)
+				break;
+		}
+		Private->EPOC_ScreenXScaleValue = Max(2, scaleValue - 1);
+		w = (w * (Private->EPOC_ScreenXScaleValue-1))/Private->EPOC_ScreenXScaleValue;
+	}
+	if (h > Private->EPOC_ScreenSize.iHeight) {
+		// Find the biggest scale value that result the height that fits in the screen HW
+		for (scaleValue = 2; scaleValue++;) {
+			TInt scaledHeight = (h * (scaleValue-1))/scaleValue;
+			if (scaledHeight > Private->EPOC_ScreenSize.iHeight)
+				break;
+		}
+		Private->EPOC_ScreenYScaleValue = Max(2, scaleValue - 1);
+		h = (h * (Private->EPOC_ScreenYScaleValue-1))/Private->EPOC_ScreenYScaleValue;
+	}
+
+    /* Centralize game window on device screen  */
+    Private->EPOC_ScreenOffset.iX = (Private->EPOC_ScreenSize.iWidth - w) / 2;
+	if (Private->EPOC_ScreenOffset.iX < 0)
+		Private->EPOC_ScreenOffset.iX = 0;
+    Private->EPOC_ScreenOffset.iY = (Private->EPOC_ScreenSize.iHeight - h) / 2;
+	if (Private->EPOC_ScreenOffset.iY < 0)
+		Private->EPOC_ScreenOffset.iY = 0;
+
+
+    SDL_TRACE1("View width %d", w);
+    SDL_TRACE1("View height %d", h);
+    SDL_TRACE1("View bmode %d", bpp);
+    SDL_TRACE1("View s %d", scaleValue);
+    SDL_TRACE1("View x %d", Private->EPOC_ScreenOffset.iX);
+    SDL_TRACE1("View y %d", Private->EPOC_ScreenOffset.iY);
+
+	/* We're done */
+	return(current);
+}
+
+
+void RedrawWindowL(_THIS)
+{
+
+#if defined(__WINS__) || defined(TEST_BM_DRAW)
+	    LockHeap(Private->EPOC_Bitmap); // Lock bitmap heap
+	    Private->EPOC_WindowGc->Activate(Private->EPOC_WsWindow);
+#endif
+
+    int w = _this->screen->w;
+    int h = _this->screen->h;
+	if (Private->EPOC_ScreenOrientation == CFbsBitGc::EGraphicsOrientationRotated270) {
+		w = _this->screen->h;
+		h = _this->screen->w;
+	}
+    if ((w < Private->EPOC_ScreenSize.iWidth)
+        || (h < Private->EPOC_ScreenSize.iHeight)) {
+		DrawBackground(_this);
+    }
+
+    /* Tell the system that something has been drawn */
+	TRect  rect = TRect(Private->EPOC_WsWindow.Size());
+  	Private->EPOC_WsWindow.Invalidate(rect);
+
+#if defined(__WINS__) || defined(TEST_BM_DRAW)
+	Private->EPOC_WsWindow.BeginRedraw(rect);
+	Private->EPOC_WindowGc->BitBlt(TPoint(), Private->EPOC_Bitmap);
+	Private->EPOC_WsWindow.EndRedraw();
+	Private->EPOC_WindowGc->Deactivate();
+    UnlockHeap(Private->EPOC_Bitmap);; // Unlock bitmap heap
+	Private->EPOC_WsSession.Flush();
+#endif
+
+    /* Draw current buffer */
+    SDL_Rect fullScreen;
+    fullScreen.x = 0;
+    fullScreen.y = 0;
+    fullScreen.w = _this->screen->w;
+    fullScreen.h = _this->screen->h;
+    EPOC_DirectUpdate(_this, 1, &fullScreen);
+}
+
+
+void DrawBackground(_THIS)
+{
+	/* Draw background */
+#if defined(__WINS__) || defined(TEST_BM_DRAW)
+	//warning heap is not locked! - a function calling must ensure that it's ok
+    TUint16* screenBuffer = (TUint16*)Private->EPOC_Bitmap->DataAddress();
+#else
+    TUint16* screenBuffer = (TUint16*)Private->EPOC_FrameBuffer;
+#endif
+	// Draw black background
+	Mem::FillZ(screenBuffer, Private->EPOC_BytesPerScreen);
+
+#if 0
+    for (int y = 0; y < Private->EPOC_ScreenSize.iHeight; y++) {
+		for (int x = 0; x < Private->EPOC_ScreenSize.iWidth; x++) {
+#ifdef SYMBIAN_CRYSTAL
+			const TUint16 color = 0; // ((x+y)>>1) & 0xf; /* Draw blue stripes pattern, because in e.g. 320x200 mode there is a big background area*/
+#else // SYMBIAN_SERIES60
+            const TUint16 color = 0; /* Draw black background */
+#endif
+            *screenBuffer++ = color;
+		}
+	}
+#endif
+}
+
+
+/* We don't actually allow hardware surfaces other than the main one */
+static int EPOC_AllocHWSurface(_THIS, SDL_Surface* /*surface*/)
+{
+	return(-1);
+}
+static void EPOC_FreeHWSurface(_THIS, SDL_Surface* /*surface*/)
+{
+	return;
+}
+
+static int EPOC_LockHWSurface(_THIS, SDL_Surface* /*surface*/)
+{
+	return(0);
+}
+static void EPOC_UnlockHWSurface(_THIS, SDL_Surface* /*surface*/)
+{
+	return;
+}
+
+static int EPOC_FlipHWSurface(_THIS, SDL_Surface* /*surface*/)
+{
+	return(0);
+}
+
+static void EPOC_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
+{
+    //TInt focusWindowGroupId = Private->EPOC_WsSession.GetFocusWindowGroup();//these are async services
+   // if (focusWindowGroupId != Private->EPOC_WsWindowGroupID) {              //for that cannot be called from
+                                                                            //SDL threads ???
+    if (!Private->EPOC_IsWindowFocused)
+        {
+        /* Force focus window to redraw again for cleaning away SDL screen graphics */
+/*
+        TInt pos = Private->EPOC_WsWindowGroup.OrdinalPosition();
+        Private->EPOC_WsWindowGroup.SetOrdinalPosition(0, KMaxTInt);
+       	TRect  rect = TRect(Private->EPOC_WsWindow.Size());
+        Private->EPOC_WsWindow.Invalidate(rect);
+        Private->EPOC_WsWindowGroup.SetOrdinalPosition(pos, ECoeWinPriorityNormal);
+       */ /* If this is not the topmost window, wait here! Sleep for 1 second to give cpu time to 
+           multitasking and poll for being the topmost window.
+        */
+    //    if (Private->EPOC_WsSession.GetFocusWindowGroup() != Private->EPOC_WsWindowGroupID) {
+           
+		   /* !!TODO: Could call GetRedraw() etc. for WsSession and redraw the screen if needed. That might be 
+		      needed if a small dialog comes in front of Game screen.
+		   */
+           // while (Private->EPOC_WsSession.GetFocusWindowGroup() != Private->EPOC_WsWindowGroupID)
+        
+        SDL_PauseAudio(1);
+        SDL_Delay(1000);
+        return;
+      //  }
+
+    //    RedrawWindowL(_this);  
+    }
+
+    SDL_PauseAudio(0);
+
+	// if we are not focused, do not draw
+//	if (!Private->EPOC_IsWindowFocused)
+//		return;
+#if defined(__WINS__) || defined(TEST_BM_DRAW)
+	TBitmapUtil lock(Private->EPOC_Bitmap);	
+    lock.Begin(TPoint(0,0)); // Lock bitmap heap
+	Private->EPOC_WindowGc->Activate(Private->EPOC_WsWindow);
+    TUint16* screenBuffer = (TUint16*)Private->EPOC_Bitmap->DataAddress();
+#else
+    TUint16* screenBuffer = (TUint16*)Private->EPOC_FrameBuffer;
+#endif
+
+	if (Private->EPOC_ScreenOrientation == CFbsBitGc::EGraphicsOrientationRotated270)
+		DirectDrawRotated(_this, numrects, rects, screenBuffer);
+	else
+		DirectDraw(_this, numrects, rects, screenBuffer);
+    
+   
+#if defined(__WINS__) || defined(TEST_BM_DRAW)
+
+	TRect  rect = TRect(Private->EPOC_WsWindow.Size());
+	Private->EPOC_WsWindow.Invalidate(rect);
+	Private->EPOC_WsWindow.BeginRedraw(rect);
+	Private->EPOC_WindowGc->BitBlt(TPoint(), Private->EPOC_Bitmap);
+	Private->EPOC_WsWindow.EndRedraw();
+	Private->EPOC_WindowGc->Deactivate();
+    lock.End(); // Unlock bitmap heap
+	Private->EPOC_WsSession.Flush();
+#else
+#ifndef SYMBIAN_CRYSTAL
+	// This is not needed in Crystal. What is the performance penalty in SERIES60?
+    TRect  rect2 = TRect(Private->EPOC_WsWindow.Size());
+    
+    Private->EPOC_DrawDevice->UpdateRegion(rect2); // Should we update rects parameter area only??
+    Private->EPOC_DrawDevice->Update();
+#endif
+#endif
+
+    /* Update virtual cursor. !!Do not yet work properly
+    Private->EPOC_WsSession.SetPointerCursorPosition(Private->EPOC_WsSession.PointerCursorPosition());
+    */
+
+    /*static int foo = 1;
+
+    	for ( int i=0; i < numrects; ++i ) {
+        const SDL_Rect& currentRect = rects[i];
+        SDL_Rect rect2;
+        rect2.x = currentRect.x;
+        rect2.y = currentRect.y;
+        rect2.w = currentRect.w;
+        rect2.h = currentRect.h;
+
+        if (rect2.w <= 0 || rect2.h <= 0) 
+            continue;
+
+    
+    foo++;
+    if((foo % 200) == 0)
+        {
+        SDL_TRACE1("foo %d", foo);
+        CFbsBitmap* b = new (ELeave) CFbsBitmap;
+        SDL_TRACE1("bee %d", (int)b);
+        int e = b->Create(TSize(currentRect.w, currentRect.h), Private->EPOC_DisplayMode);
+        
+        SDL_TRACE1("err %d", e);
+        if(e != KErrNone)
+            User::Panic(_L("damn"), e);
+
+        TBitmapUtil u(b);
+        u.Begin(TPoint(0, 0));
+        TUint32* d = b->DataAddress();
+        
+        SDL_TRACE1("addr %d", (int)d);
+
+        for(TInt o = 0; o < currentRect.h; o++)
+            for(TInt p = 0; p < currentRect.w; p++)
+                {
+                u.SetPos(TPoint(p, o));
+                u.SetPixel(0xFFFF);
+                }
+
+        SDL_TRACE1("w %d", (int)currentRect.w);
+        SDL_TRACE1("h %d", (int)currentRect.h);
+
+        SDL_TRACE1("addr %d", (int)Private->EPOC_DisplayMode);
+
+        
+        const TUint f = (TUint)Private->EPOC_FrameBuffer;
+        const TUint y = (TUint)Private->EPOC_BytesPerScreen;
+
+        
+        SDL_TRACE1("frame %u", f);
+        SDL_TRACE1("bytes %u", y);
+
+        Mem::Copy(d, Private->EPOC_FrameBuffer, Private->EPOC_BytesPerScreen);
+
+        SDL_TRACE("kopied");
+
+        u.End();
+        TBuf<32> name;
+        name.Format(_L("C:\\nokia\\images\\doom%d.mbm"), (foo / 200));
+        e= b->Save(name);
+        if(e != KErrNone)
+            User::Panic(_L("damned"), e);
+        delete b;
+            }}*/
+}
+
+
+void DirectDraw(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer)
+{
+	TInt i;
+
+    const TInt sourceNumBytesPerPixel = ((_this->screen->format->BitsPerPixel-1)>>3) + 1;   
+    const TPoint fixedOffset = Private->EPOC_ScreenOffset;   
+    const TInt screenW = _this->screen->w;
+    const TInt screenH = _this->screen->h;
+    const TInt sourceScanlineLength = screenW;
+    const TInt targetScanlineLength = Private->EPOC_ScreenSize.iWidth;
+
+	/* Render the rectangles in the list */
+
+	for ( i=0; i < numrects; ++i ) {
+        const SDL_Rect& currentRect = rects[i];
+        SDL_Rect rect2;
+        rect2.x = currentRect.x;
+        rect2.y = currentRect.y;
+        rect2.w = currentRect.w;
+        rect2.h = currentRect.h;
+
+        if (rect2.w <= 0 || rect2.h <= 0) /* sanity check */
+            continue;
+
+        /* All variables are measured in pixels */
+
+        /* Check rects validity, i.e. upper and lower bounds */
+        TInt maxX = Min(screenW - 1, rect2.x + rect2.w - 1);
+        TInt maxY = Min(screenH - 1, rect2.y + rect2.h - 1);
+        if (maxX < 0 || maxY < 0) /* sanity check */
+            continue;
+		/* Clip from bottom */
+        maxY = Min(maxY, Private->EPOC_ScreenSize.iHeight-1); 
+		/* TODO: Clip from the right side */
+
+        const TInt sourceRectWidth = maxX - rect2.x + 1;
+        const TInt sourceRectWidthInBytes = sourceRectWidth * sourceNumBytesPerPixel;
+        const TInt sourceRectHeight = maxY - rect2.y + 1;
+        const TInt sourceStartOffset = rect2.x + rect2.y * sourceScanlineLength;
+		const TUint skipValue = 1; // no skip
+
+        TInt targetStartOffset = fixedOffset.iX + rect2.x + (fixedOffset.iY +rect2.y) * targetScanlineLength;   
+        
+        // Nokia7650 native mode: 12 bpp --> 12 bpp
+        //
+
+        switch (_this->screen->format->BitsPerPixel)
+			{
+		case 12:
+			{
+			TUint16* bitmapLine = (TUint16*)_this->screen->pixels + sourceStartOffset;
+			TUint16* screenMemory = screenBuffer + targetStartOffset;
+			if (skipValue == 1)
+				{
+				for(TInt y = 0 ; y < sourceRectHeight ; y++)
+					{
+					Mem::Copy(screenMemory, bitmapLine, sourceRectWidthInBytes);
+					}
+					bitmapLine += sourceScanlineLength;
+					screenMemory += targetScanlineLength;
+				}
+			else
+				{
+				for(TInt y = 0 ; y < sourceRectHeight ; y++)
+					{
+					//TODO: optimize: separate loops for 1, 2 and n skip. Mem::Copy() can be used in unscaled case.
+					TUint16* bitmapPos = bitmapLine; /* 2 bytes per pixel */
+					TUint16* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */
+					for(TInt x = 0 ; x < sourceRectWidth ; x++)
+						{					
+						__ASSERT_DEBUG(screenMemory < (screenBuffer + Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight), User::Panic(_L("SDL"), KErrCorrupt));
+						__ASSERT_DEBUG(screenMemory >= screenBuffer, User::Panic(_L("SDL"), KErrCorrupt));
+						__ASSERT_DEBUG(bitmapLine < ((TUint16*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(_L("SDL"), KErrCorrupt));
+						__ASSERT_DEBUG(bitmapLine >=  (TUint16*)_this->screen->pixels, User::Panic(_L("SDL"), KErrCorrupt));
+                    
+						*screenMemoryLinePos++ = *bitmapPos;
+						bitmapPos+=skipValue;
+						}
+					bitmapLine += sourceScanlineLength;
+					screenMemory += targetScanlineLength;
+					}
+				}
+			}
+			break;
+        // 256 color paletted mode: 8 bpp  --> 12 bpp
+        //
+		default:
+			{
+            if(Private->EPOC_BytesPerPixel <= 2)
+                {
+			    TUint8* bitmapLine = (TUint8*)_this->screen->pixels + sourceStartOffset;
+                TUint16* screenMemory = screenBuffer + targetStartOffset;
+				    for(TInt y = 0 ; y < sourceRectHeight ; y++)
+					    {
+					    TUint8* bitmapPos = bitmapLine; /* 1 byte per pixel */
+					    TUint16* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */
+					    /* Convert each pixel from 256 palette to 4k color values */
+					    for(TInt x = 0 ; x < sourceRectWidth ; x++)
+						    {
+						    __ASSERT_DEBUG(screenMemoryLinePos < (screenBuffer + (Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight)), User::Panic(_L("SDL"), KErrCorrupt));
+						    __ASSERT_DEBUG(screenMemoryLinePos >= screenBuffer, User::Panic(_L("SDL"), KErrCorrupt));
+						    __ASSERT_DEBUG(bitmapPos < ((TUint8*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(_L("SDL"), KErrCorrupt));
+						    __ASSERT_DEBUG(bitmapPos >= (TUint8*)_this->screen->pixels, User::Panic(_L("SDL"), KErrCorrupt));               
+						    *screenMemoryLinePos++ = EPOC_HWPalette_256_to_Screen[*bitmapPos++];
+    //						bitmapPos+=skipValue; //TODO: optimize: separate loops for 1, 2 and n skip
+						    }
+					    bitmapLine += sourceScanlineLength;
+					    screenMemory += targetScanlineLength;
+					    }
+                }
+            else
+                {
+                TUint8* bitmapLine = (TUint8*)_this->screen->pixels + sourceStartOffset;
+                TUint32* screenMemory = reinterpret_cast<TUint32*>(screenBuffer + targetStartOffset);
+				    for(TInt y = 0 ; y < sourceRectHeight ; y++)
+					    {
+					    TUint8* bitmapPos = bitmapLine; /* 1 byte per pixel */
+					    TUint32* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */
+					    /* Convert each pixel from 256 palette to 4k color values */
+					    for(TInt x = 0 ; x < sourceRectWidth ; x++)
+						    {
+						    __ASSERT_DEBUG(screenMemoryLinePos < (reinterpret_cast<TUint32*>(screenBuffer) + (Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight)), User::Panic(_L("SDL"), KErrCorrupt));
+						    __ASSERT_DEBUG(screenMemoryLinePos >= reinterpret_cast<TUint32*>(screenBuffer), User::Panic(_L("SDL"), KErrCorrupt));
+						    __ASSERT_DEBUG(bitmapPos < ((TUint8*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(_L("SDL"), KErrCorrupt));
+						    __ASSERT_DEBUG(bitmapPos >= (TUint8*)_this->screen->pixels, User::Panic(_L("SDL"), KErrCorrupt));               
+						    *screenMemoryLinePos++ = EPOC_HWPalette_256_to_Screen[*bitmapPos++];
+    //						bitmapPos+=skipValue; //TODO: optimize: separate loops for 1, 2 and n skip
+						    }
+					    bitmapLine += sourceScanlineLength;
+					    screenMemory += targetScanlineLength;
+					    }
+                }
+			}
+		} // switch
+	} // for
+}
+
+/*
+void DirectDraw(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer)
+{
+	TInt i;
+    const TInt sourceNumBytesPerPixel = ((_this->screen->format->BitsPerPixel-1)>>3) + 1;   
+    const TPoint fixedOffset = Private->EPOC_ScreenOffset;   
+    const TInt screenW = _this->screen->w;
+    const TInt screenH = _this->screen->h;
+    const TInt sourceScanlineLength = screenW;
+    const TInt targetScanlineLength = Private->EPOC_ScreenSize.iWidth;
+
+	/* Render the rectangles in the list */
+
+/*	for ( i=0; i < numrects; ++i ) {
+        const SDL_Rect& currentRect = rects[i];
+        SDL_Rect rect2;
+        rect2.x = currentRect.x;
+        rect2.y = currentRect.y;
+        rect2.w = currentRect.w;
+        rect2.h = currentRect.h;
+
+        if (rect2.w <= 0 || rect2.h <= 0) /* sanity check */
+/*            continue;
+
+        /* All variables are measured in pixels */
+
+        /* Check rects validity, i.e. upper and lower bounds */
+/*        TInt maxX = Min(screenW - 1, rect2.x + rect2.w - 1);
+        TInt maxY = Min(screenH - 1, rect2.y + rect2.h - 1);
+        if (maxX < 0 || maxY < 0) /* sanity check */
+/*            continue;
+		/* Clip from bottom */
+/*        maxY = Min(maxY, Private->EPOC_ScreenSize.iHeight-1); 
+		/* TODO: Clip from the right side */
+
+/*		TInt sourceRectWidth = maxX - rect2.x + 1;
+        const TInt sourceRectWidthInBytes = sourceRectWidth * sourceNumBytesPerPixel;
+        const TInt sourceRectHeight = maxY - rect2.y + 1;
+        const TInt sourceStartOffset = rect2.x + rect2.y * sourceScanlineLength;
+		const TUint skipValue = Private->EPOC_ScreenXScaleValue; //1; // no skip
+
+		const TInt targetStartOffset = // = (fixedOffset.iX + (rect2.x / skipValue) + (fixedOffset.iY + rect2.y) * targetScanlineLength ) ;
+			(skipValue > 1 ? 
+			(fixedOffset.iX + (rect2.x / skipValue) + (fixedOffset.iY + rect2.y) * targetScanlineLength ) : 
+			(fixedOffset.iX +  rect2.x              + (fixedOffset.iY + rect2.y) * targetScanlineLength ));
+
+		__ASSERT_DEBUG(skipValue >= 1, User::Panic(KLibName, KErrArgument));
+
+        // Nokia7650 native mode: 12 bpp --> 12 bpp
+        //
+        switch (_this->screen->format->BitsPerPixel)
+			{
+		case 12:
+			{
+			TUint16* bitmapLine = (TUint16*)_this->screen->pixels + sourceStartOffset;
+			TUint16* screenMemory = screenBuffer + targetStartOffset;
+			if (skipValue == 1)
+				{
+				for(TInt y = 0 ; y < sourceRectHeight ; y++)
+					{
+					Mem::Copy(screenMemory, bitmapLine, sourceRectWidthInBytes);
+					}
+					bitmapLine += sourceScanlineLength;
+					screenMemory += targetScanlineLength;
+				}
+			else
+				{
+				for(TInt y = 0 ; y < sourceRectHeight ; y++)
+					{
+					//TODO: optimize: separate loops for 1, 2 and n skip. Mem::Copy() can be used in unscaled case.
+					TUint16* bitmapPos = bitmapLine; /* 2 bytes per pixel */
+/*					TUint16* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */
+/*					for(TInt x = 0 ; x < sourceRectWidth ; x++)
+						{					
+						__ASSERT_DEBUG(screenMemory < (screenBuffer + Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight), User::Panic(KLibName, KErrCorrupt));
+						__ASSERT_DEBUG(screenMemory >= screenBuffer, User::Panic(KLibName, KErrCorrupt));
+						__ASSERT_DEBUG(bitmapLine < ((TUint16*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(KLibName, KErrCorrupt));
+						__ASSERT_DEBUG(bitmapLine >=  (TUint16*)_this->screen->pixels, User::Panic(KLibName, KErrCorrupt));
+                    
+						*screenMemoryLinePos++ = *bitmapPos;
+						bitmapPos+=skipValue;
+						}
+					bitmapLine += sourceScanlineLength;
+					screenMemory += targetScanlineLength;
+					}
+				}
+			}
+			break;
+        // 256 color paletted mode: 8 bpp  --> 12 bpp
+        //
+		default:
+			{
+			TUint8* bitmapLine = (TUint8*)_this->screen->pixels + sourceStartOffset;
+            TUint16* screenMemory = screenBuffer + targetStartOffset;
+			if (skipValue > 1)
+				sourceRectWidth /= skipValue;
+#if defined __MARM_ARMI__
+			__asm volatile("
+				mov		%4, %4, lsl #1	@ targetScanLineLength is in pixels, we need it in bytes
+			1:
+				mov		r6, %0			@ bitmapLine
+				mov		r7, %2			@ screenMemory
+				mov		r8, %6			@ sourceRectWidth
+			2:
+				ldrb	r4, [%0], %7			@ r4 = *bitmapPos; bitmapPos += skipValue
+				ldr		r5, [%1, r4, lsl #2]	@ only 16 lower bits actually used
+				subs	r8, r8, #1				@ x--
+				strh	r5, [%2], #2			@ *screenMemoryLinePos++ = r4
+				bne		2b
+
+				add		%0, r6, %3		@ bitmapLine += sourceScanlineLength
+				add		%2, r7, %4		@ screenMemory += targetScanlineLength
+				subs    %5, %5, #1		@ sourceRectHeight--
+				bne		1b
+				"
+				: // no output
+				//		%0								%1							%2						%3							%4						%5							%6					%7
+				: "r" (bitmapLine), "r" (&EPOC_HWPalette_256_to_Screen[0]), "r" (screenMemory), "r" (sourceScanlineLength), "r" (targetScanlineLength), "r" (sourceRectHeight), "r" (sourceRectWidth), "r" (skipValue)
+				: "r4", "r5", "r6", "r7", "r8"
+			);
+#else
+			for(TInt y = 0 ; y < sourceRectHeight ; y++)
+				{
+				TUint8* bitmapPos = bitmapLine; /* 1 byte per pixel */
+/*				TUint16* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */
+				/* Convert each pixel from 256 palette to 4k color values */
+/*				for (TInt x = 0 ; x < sourceRectWidth ; x++)
+					{
+					//__ASSERT_DEBUG(screenMemoryLinePos < (screenBuffer + (Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight)), User::Panic(KLibName, KErrCorrupt));
+					//__ASSERT_DEBUG(screenMemoryLinePos >= screenBuffer, User::Panic(KLibName, KErrCorrupt));
+					//__ASSERT_DEBUG(bitmapPos < ((TUint8*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(KLibName, KErrCorrupt));
+					//__ASSERT_DEBUG(bitmapPos >= (TUint8*)_this->screen->pixels, User::Panic(KLibName, KErrCorrupt));
+            
+					*screenMemoryLinePos++ = EPOC_HWPalette_256_to_Screen[*bitmapPos];
+					bitmapPos += skipValue;
+					}
+				bitmapLine += sourceScanlineLength;
+				screenMemory += targetScanlineLength;
+				}
+//#endif
+			}
+		} // switch
+	} // for
+}
+*/
+
+void DirectDrawRotated(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer)
+{
+	TInt i;
+//    TInt sourceNumBytesPerPixel = ((_this->screen->format->BitsPerPixel-1)>>3) + 1;   
+    TPoint fixedScreenOffset = Private->EPOC_ScreenOffset;   
+    TInt bufferW = _this->screen->w;
+    TInt bufferH = _this->screen->h;
+    TInt ScreenW = Private->EPOC_ScreenSize.iWidth;
+//    TInt ScreenH = Private->EPOC_ScreenSize.iWidth;
+    TInt sourceW = bufferW;
+    TInt sourceH = bufferH;
+    TInt targetW = ScreenW - fixedScreenOffset.iX * 2;
+//    TInt targetH = ScreenH - fixedScreenOffset.iY * 2;
+	TInt sourceScanlineLength = bufferW;
+    TInt targetScanlineLength = Private->EPOC_ScreenSize.iWidth;
+
+	/* Render the rectangles in the list */
+
+	for ( i=0; i < numrects; ++i ) {
+        SDL_Rect rect2;
+        const SDL_Rect& currentRect = rects[i];
+        rect2.x = currentRect.x;
+        rect2.y = currentRect.y;
+        rect2.w = currentRect.w;
+        rect2.h = currentRect.h;
+
+        if (rect2.w <= 0 || rect2.h <= 0) /* sanity check */
+            continue;
+
+        /* All variables are measured in pixels */
+
+        /* Check rects validity, i.e. upper and lower bounds */
+        TInt maxX = Min(sourceW - 1, rect2.x + rect2.w - 1);
+        TInt maxY = Min(sourceH - 1, rect2.y + rect2.h - 1);
+        if (maxX < 0 || maxY < 0) /* sanity check */
+            continue;
+		/* Clip from bottom */
+        //maxX = Min(maxX, Private->EPOC_ScreenSize.iHeight-1); 
+		/* TODO: Clip from the right side */
+
+        TInt sourceRectWidth = maxX - rect2.x + 1;
+//        TInt sourceRectWidthInBytes = sourceRectWidth * sourceNumBytesPerPixel;
+        TInt sourceRectHeight = maxY - rect2.y + 1;
+        TInt sourceStartOffset = rect2.x + rect2.y * sourceScanlineLength;
+        TInt targetStartOffset = fixedScreenOffset.iX + (targetW-1 - rect2.y) + (fixedScreenOffset.iY +rect2.x) * targetScanlineLength;   
+        
+        // Nokia7650 native mode: 12 bpp --> 12 bpp
+        if (_this->screen->format->BitsPerPixel == 12) { 
+            
+            /* !!TODO: not yet implemented
+
+	        TUint16* bitmapLine = (TUint16*)_this->screen->pixels + sourceStartOffset;
+            TUint16* screenMemory = screenBuffer + targetStartOffset;
+            for(TInt y = 0 ; y < sourceRectHeight ; y++) {
+				//TODO: optimize: separate loops for 1, 2 and n skip
+		        //Mem::Copy(screenMemory, bitmapLine, sourceRectWidthInBytes);
+                TUint16* bitmapPos = bitmapLine; // 2 bytes per pixel 
+                TUint16* screenMemoryLinePos = screenMemory; // 2 bytes per pixel 
+				for(TInt x = 0 ; x < sourceRectWidth ; x++) {
+
+					__ASSERT_DEBUG(screenMemory < (screenBuffer + Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight), User::Panic(KLibName, KErrCorrupt));
+					__ASSERT_DEBUG(screenMemory >= screenBuffer, User::Panic(KLibName, KErrCorrupt));
+					__ASSERT_DEBUG(bitmapLine < ((TUint16*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(KLibName, KErrCorrupt));
+					__ASSERT_DEBUG(bitmapLine >=  (TUint16*)_this->screen->pixels, User::Panic(KLibName, KErrCorrupt));
+                    
+                      *screenMemoryLinePos = *bitmapPos;
+                    bitmapPos++;
+                    screenMemoryLinePos += targetScanlineLength;
+                }
+		        bitmapLine += sourceScanlineLength;
+		        screenMemory--;
+            }
+
+            */
+        }
+        // 256 color paletted mode: 8 bpp  --> 12 bpp
+        else { 
+	        TUint8* bitmapLine = (TUint8*)_this->screen->pixels + sourceStartOffset;
+            TUint16* screenMemory = screenBuffer + targetStartOffset;
+			TInt screenXScaleValue = Private->EPOC_ScreenXScaleValue;
+			TInt debug_ycount=0;
+            for(TInt y = 0 ; y < sourceRectHeight ; y++) {
+				if(--screenXScaleValue) {
+					TUint8* bitmapPos = bitmapLine; /* 1 byte per pixel */
+					TUint16* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */
+					TInt screenYScaleValue = Private->EPOC_ScreenYScaleValue;
+					TInt debug_xcount=0;
+					/* Convert each pixel from 256 palette to 4k color values */
+					for(TInt x = 0 ; x < sourceRectWidth ; x++) {
+						if(--screenYScaleValue) {
+							
+                            __ASSERT_DEBUG(screenMemoryLinePos < (screenBuffer + (Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight)), User::Panic(KLibName, KErrCorrupt));
+							__ASSERT_DEBUG(screenMemoryLinePos >= screenBuffer, User::Panic(KLibName, KErrCorrupt));
+							__ASSERT_DEBUG(bitmapPos < ((TUint8*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(KLibName, KErrCorrupt));
+							__ASSERT_DEBUG(bitmapPos >= (TUint8*)_this->screen->pixels, User::Panic(KLibName, KErrCorrupt));
+							
+                            *screenMemoryLinePos = TUint16(EPOC_HWPalette_256_to_Screen[*bitmapPos]);
+							screenMemoryLinePos += targetScanlineLength; debug_xcount++;
+						}
+						else
+							screenYScaleValue = Private->EPOC_ScreenYScaleValue;
+						bitmapPos++; 
+					}
+					screenMemory--; debug_ycount++;
+				} // endif
+				else
+					screenXScaleValue = Private->EPOC_ScreenXScaleValue;
+				bitmapLine += sourceScanlineLength;
+             }
+	    }
+    }    
+}
+
+
+/* Note:  If we are terminated, this could be called in the middle of
+   another SDL video routine -- notably UpdateRects.
+*/
+void EPOC_VideoQuit(_THIS)
+{
+	int i;
+
+	/* Free video mode lists */
+	for ( i=0; i<SDL_NUMMODES; ++i ) {
+		if ( Private->SDL_modelist[i] != NULL ) {
+			free(Private->SDL_modelist[i]);
+			Private->SDL_modelist[i] = NULL;
+		}
+	}
+	
+    if ( _this->screen && (_this->screen->flags & SDL_HWSURFACE) ) {
+		/* Direct screen access, no memory buffer */
+		_this->screen->pixels = NULL;
+	}
+
+    if (_this->screen && _this->screen->pixels) {
+        free(_this->screen->pixels);
+        _this->screen->pixels = NULL;
+    }
+
+    /* Free Epoc resources */
+
+    /* Disable events for me */
+	if (Private->EPOC_WsEventStatus != KRequestPending)
+		Private->EPOC_WsSession.EventReadyCancel();
+	if (Private->EPOC_RedrawEventStatus != KRequestPending)
+		Private->EPOC_WsSession.RedrawReadyCancel();
+
+	#if defined(__WINS__) || defined(TEST_BM_DRAW)
+	delete Private->EPOC_Bitmap;
+	Private->EPOC_Bitmap = NULL;
+	#else
+    #endif
+
+#ifndef SYMBIAN_CRYSTAL
+	free(Private->EPOC_DrawDevice);
+#endif
+
+	if (Private->EPOC_WsWindow.WsHandle())
+		Private->EPOC_WsWindow.Close();
+
+	if (Private->EPOC_WsWindowGroup.WsHandle())
+		Private->EPOC_WsWindowGroup.Close();
+
+	delete Private->EPOC_WindowGc;
+	Private->EPOC_WindowGc = NULL;
+
+	delete Private->EPOC_WsScreen;
+	Private->EPOC_WsScreen = NULL;
+
+	if (Private->EPOC_WsSession.WsHandle())
+		Private->EPOC_WsSession.Close();
+}
+
+
+WMcursor *EPOC_CreateWMCursor(_THIS, Uint8* /*data*/, Uint8* /*mask*/, int /*w*/, int /*h*/, int /*hot_x*/, int /*hot_y*/)
+{
+	return (WMcursor *) 9210; // it's ok to return something unuseful but true
+}
+
+void EPOC_FreeWMCursor(_THIS, WMcursor* /*cursor*/)
+{
+    /* Disable virtual cursor */
+    HAL::Set(HAL::EMouseState, HAL::EMouseState_Invisible);
+    Private->EPOC_WsSession.SetPointerCursorMode(EPointerCursorNone);
+}
+
+int EPOC_ShowWMCursor(_THIS, WMcursor *cursor)
+{
+
+    if (cursor ==  (WMcursor *)9210) {
+        /* Enable virtual cursor */
+	    Private->EPOC_WsSession.SetPointerCursorMode(EPointerCursorNormal);
+        if (isCursorVisible)
+	        HAL::Set(HAL::EMouseState, HAL::EMouseState_Visible);
+        else
+            Private->EPOC_WsSession.SetPointerCursorMode(EPointerCursorNone);
+    }
+    else {
+        /* Disable virtual cursor */
+        HAL::Set(HAL::EMouseState, HAL::EMouseState_Invisible);
+        Private->EPOC_WsSession.SetPointerCursorMode(EPointerCursorNone);
+    }
+
+	return(1);
+}
+
+}; // extern "C"