/*+
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    SDL - Simple DirectMedia Layer+
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    Copyright (C) 1997-2009 Sam Lantinga+
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+
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    This library is free software; you can redistribute it and/or+
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    modify it under the terms of the GNU Library General Public+
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    License as published by the Free Software Foundation; either+
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    version 2 of the License, or (at your option) any later version.+
−
+
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    This library is distributed in the hope that it will be useful,+
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    but WITHOUT ANY WARRANTY; without even the implied warranty of+
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU+
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    Library General Public License for more details.+
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+
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    You should have received a copy of the GNU Library General Public+
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    License along with this library; if not, write to the Free+
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA+
−
+
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    Sam Lantinga+
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    slouken@devolution.com+
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*/+
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+
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/*+
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    SDL_epocvideo.cpp+
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    Epoc based SDL video driver implementation+
−
+
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    Thanks to Peter van Sebille, the author of EMame. It is a great example of +
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    low level graphics coding in Epoc.+
−
+
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    Epoc version by Hannu Viitala (hannu.j.viitala@mbnet.fi)+
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	Assembler routines by Kimmo Kinnunen+
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*/+
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+
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+
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+
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#include <stdlib.h>+
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#include <stdio.h>+
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#include <string.h>+
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+
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extern "C" {+
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#include "SDL_error.h"+
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#include "SDL_timer.h"+
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#include "SDL_video.h"+
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#undef NULL+
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#include "SDL_pixels_c.h"+
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#include "SDL.h"+
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};+
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+
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#include "SDL_epocvideo.h"+
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#include "SDL_epocevents_c.h"+
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+
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#include "sdl_epocruntime.h"+
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+
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#include <hal.h>+
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#include <coedef.h>+
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#include <flogger.h>+
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+
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#ifdef SYMBIAN_QUARTZ+
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SDL_VideoDevice* _thisDevice;+
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#endif+
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+
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_LIT(KLibName, "SDL");+
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+
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/* For debugging */+
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+
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//if old SOS, from 7.x this is public!+
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class CLockable : public CFbsBitmap+
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    {+
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    public:+
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        static  CLockable* Lockable(CFbsBitmap* aBmp) {return static_cast<CLockable*>(aBmp);}+
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        void Lock() {LockHeap();}+
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        void Unlock() {UnlockHeap();}+
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    };+
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#define LockHeap(x) CLockable::Lockable(x)->Lock()+
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#define UnlockHeap(x) CLockable::Lockable(x)->Unlock()+
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+
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void RDebug_Print_b(char* error_str, void* param)+
−
    {+
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    TBuf8<128> error8((TUint8*)error_str);+
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    TBuf<128> error;+
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    error.Copy(error8);+
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+
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#ifndef TRACE_TO_FILE+
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    if (param) //!! Do not work if the parameter is really 0!!+
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        RDebug::Print(error, param);+
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    else +
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        RDebug::Print(error);+
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#else+
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    if (param) //!! Do not work if the parameter is really 0!!+
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        RFileLogger::WriteFormat(KLibName, _L("SDL.txt"), EFileLoggingModeAppend, error, param);+
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    else +
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        RFileLogger::Write(KLibName, _L("SDL.txt"), EFileLoggingModeAppend, error);+
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#endif+
−
+
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    }+
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+
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extern "C" void RDebug_Print(char* error_str, void* param)+
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    {+
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    RDebug_Print_b(error_str, param);+
−
    }+
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+
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+
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int Debug_AvailMem2()+
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    {+
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    //User::CompressAllHeaps();+
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    TMemoryInfoV1Buf membuf; +
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    User::LeaveIfError(UserHal::MemoryInfo(membuf));+
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    TMemoryInfoV1 minfo = membuf();+
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	return(minfo.iFreeRamInBytes);+
−
    }+
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+
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extern "C" int Debug_AvailMem()+
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    {+
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    return(Debug_AvailMem2());+
−
    }+
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+
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+
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extern "C" {+
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+
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/* Initialization/Query functions */+
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+
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static int EPOC_VideoInit(_THIS, SDL_PixelFormat *vformat);+
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static SDL_Rect **EPOC_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);+
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static SDL_Surface *EPOC_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);+
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static int EPOC_SetColors(_THIS, int firstcolor, int ncolors,+
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			  SDL_Color *colors);+
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static void EPOC_VideoQuit(_THIS);+
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+
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/* Hardware surface functions */+
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+
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static int EPOC_AllocHWSurface(_THIS, SDL_Surface *surface);+
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static int EPOC_LockHWSurface(_THIS, SDL_Surface *surface);+
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static int EPOC_FlipHWSurface(_THIS, SDL_Surface *surface);+
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static void EPOC_UnlockHWSurface(_THIS, SDL_Surface *surface);+
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static void EPOC_FreeHWSurface(_THIS, SDL_Surface *surface);+
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static void EPOC_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);+
−
+
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static int EPOC_Available(void);+
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static SDL_VideoDevice *EPOC_CreateDevice(int devindex);+
−
+
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void DrawBackground(_THIS);+
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void DirectDraw(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer);+
−
void DirectDrawRotated(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer);+
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+
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/* Mouse functions */+
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+
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static WMcursor *EPOC_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y);+
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static void EPOC_FreeWMCursor(_THIS, WMcursor *cursor);+
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static int EPOC_ShowWMCursor(_THIS, WMcursor *cursor);+
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+
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+
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+
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/* !!For 12 bit screen HW. Table for fast conversion from 8 bit to 12 bit */+
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// TUint16 is enough, but using TUint32 so we can use better instruction selection on ARMI+
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static TUint32 EPOC_HWPalette_256_to_Screen[256];+
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+
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VideoBootStrap EPOC_bootstrap = {+
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	"epoc", "EPOC system",+
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    EPOC_Available, EPOC_CreateDevice+
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};+
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+
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const TUint32 WindowClientHandle = 9210; //!! const+
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+
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/* Epoc video driver bootstrap functions */+
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+
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static int EPOC_Available(void)+
−
{+
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    return 1; /* Always available */+
−
}+
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+
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static void EPOC_DeleteDevice(SDL_VideoDevice *device)+
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{+
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	free(device->hidden);+
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	free(device);+
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}+
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+
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static SDL_VideoDevice *EPOC_CreateDevice(int /*devindex*/)+
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{+
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	SDL_VideoDevice *device;+
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+
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	SDL_TRACE("SDL:EPOC_CreateDevice");+
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+
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	/* Allocate all variables that we free on delete */+
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	device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));+
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	if ( device ) {+
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		memset(device, 0, (sizeof *device));+
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		device->hidden = (struct SDL_PrivateVideoData *)+
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				malloc((sizeof *device->hidden));+
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	}+
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	if ( (device == NULL) || (device->hidden == NULL) ) {+
−
		SDL_OutOfMemory();+
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		if ( device ) {+
−
			free(device);+
−
		}+
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		return(0);+
−
	}+
−
	memset(device->hidden, 0, (sizeof *device->hidden));+
−
+
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	/* Set the function pointers */+
−
	device->VideoInit = EPOC_VideoInit;+
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	device->ListModes = EPOC_ListModes;+
−
	device->SetVideoMode = EPOC_SetVideoMode;+
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	device->SetColors = EPOC_SetColors;+
−
	device->UpdateRects = NULL;+
−
	device->VideoQuit = EPOC_VideoQuit;+
−
	device->AllocHWSurface = EPOC_AllocHWSurface;+
−
	device->CheckHWBlit = NULL;+
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	device->FillHWRect = NULL;+
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	device->SetHWColorKey = NULL;+
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	device->SetHWAlpha = NULL;+
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	device->LockHWSurface = EPOC_LockHWSurface;+
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	device->UnlockHWSurface = EPOC_UnlockHWSurface;+
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	device->FlipHWSurface = EPOC_FlipHWSurface;+
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	device->FreeHWSurface = EPOC_FreeHWSurface;+
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	device->SetIcon = NULL;+
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	device->SetCaption = NULL;+
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	device->GetWMInfo = NULL;+
−
	device->FreeWMCursor = EPOC_FreeWMCursor;+
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	device->CreateWMCursor = EPOC_CreateWMCursor;+
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	device->ShowWMCursor = EPOC_ShowWMCursor;+
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	device->WarpWMCursor = NULL;+
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	device->InitOSKeymap = EPOC_InitOSKeymap;+
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	device->PumpEvents = EPOC_PumpEvents;+
−
	device->free = EPOC_DeleteDevice;+
−
+
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	return device;+
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}+
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+
−
+
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int GetBpp(TDisplayMode displaymode)+
−
{+
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    /*TInt numColors = TDisplayModeUtils::NumDisplayModeColors(displaymode);+
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    TInt bitsPerPixel = 1;+
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    for (TInt32 i = 2; i < numColors; i <<= 1, bitsPerPixel++);+
−
    return bitsPerPixel;*/+
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    return  TDisplayModeUtils::NumDisplayModeBitsPerPixel(displaymode);   +
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}+
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+
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+
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void DisableKeyBlocking(_THIS)+
−
    {+
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    // Disable key blocking+
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    TRawEvent event;+
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    event.Set((TRawEvent::TType)/*EDisableKeyBlock*/51); // !!EDisableKeyBlock not found in epoc32\include!+
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    Private->EPOC_WsSession.SimulateRawEvent(event);+
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    }+
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+
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void ConstructWindowL(_THIS)+
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{+
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	TInt	error;+
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+
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	SDL_TRACE("SDL:ConstructWindowL");+
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	error = Private->EPOC_WsSession.Connect();+
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	User::LeaveIfError(error);+
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	Private->EPOC_WsScreen=new(ELeave) CWsScreenDevice(Private->EPOC_WsSession);+
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	User::LeaveIfError(Private->EPOC_WsScreen->Construct());+
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	User::LeaveIfError(Private->EPOC_WsScreen->CreateContext(Private->EPOC_WindowGc));+
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+
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	Private->EPOC_WsWindowGroup=RWindowGroup(Private->EPOC_WsSession);+
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	User::LeaveIfError(Private->EPOC_WsWindowGroup.Construct(WindowClientHandle));+
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	Private->EPOC_WsWindowGroup.SetOrdinalPosition(0);+
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+
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	// Set window group name (the same as process name)) !!Gives always "EPOC" in WINS+
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	RProcess thisProcess;+
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	TParse exeName;+
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	exeName.Set(thisProcess.FileName(), NULL, NULL);+
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    TBuf<32> winGroupName;+
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    winGroupName.Append(0);+
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    winGroupName.Append(0);+
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    winGroupName.Append(0);// uid+
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    winGroupName.Append(0);+
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    winGroupName.Append(exeName.Name()); // caption+
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    winGroupName.Append(0);+
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    winGroupName.Append(0); //doc name+
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	Private->EPOC_WsWindowGroup.SetName(winGroupName); +
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+
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	Private->EPOC_WsWindow=RWindow(Private->EPOC_WsSession);+
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  // Markus, it was:+
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  // User::LeaveIfError(Private->EPOC_WsWindow.Construct(Private->EPOC_WsWindowGroup,WindowClientHandle ));+
−
  // but SOS 7.0s debug does not accept same window handle twice+
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	User::LeaveIfError(Private->EPOC_WsWindow.Construct(Private->EPOC_WsWindowGroup,WindowClientHandle - 1));+
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	Private->EPOC_WsWindow.SetBackgroundColor(KRgbWhite);+
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    Private->EPOC_WsWindow.Activate();+
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	Private->EPOC_WsWindow.SetSize(Private->EPOC_WsScreen->SizeInPixels()); +
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	Private->EPOC_WsWindow.SetVisible(ETrue);+
−
+
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    Private->EPOC_WsWindowGroupID = Private->EPOC_WsWindowGroup.Identifier();+
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    Private->EPOC_IsWindowFocused = EFalse;+
−
+
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    DisableKeyBlocking(_this); //disable key blocking+
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}+
−
+
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int EPOC_VideoInit(_THIS, SDL_PixelFormat *vformat)+
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{+
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    // !!TODO:handle leave functions!+
−
+
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    int i;+
−
+
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	SDL_TRACE("SDL:EPOC_VideoInit");+
−
+
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	/* Initialize all variables that we clean on shutdown */   +
−
+
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	for ( i=0; i<SDL_NUMMODES; ++i ) {+
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		Private->SDL_modelist[i] = (SDL_Rect *)malloc(sizeof(SDL_Rect));+
−
		Private->SDL_modelist[i]->x = Private->SDL_modelist[i]->y = 0;+
−
	}+
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+
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	/* Modes sorted largest to smallest */+
−
	Private->SDL_modelist[0]->w = 800; Private->SDL_modelist[0]->h = 250;+
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	Private->SDL_modelist[1]->w = 640; Private->SDL_modelist[1]->h = 480;+
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	Private->SDL_modelist[2]->w = 480; Private->SDL_modelist[2]->h = 600;+
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	Private->SDL_modelist[3]->w = 640; Private->SDL_modelist[3]->h = 400;+
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	Private->SDL_modelist[4]->w = 352; Private->SDL_modelist[4]->h = 416;+
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	Private->SDL_modelist[5]->w = 416; Private->SDL_modelist[5]->h = 352;+
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	Private->SDL_modelist[6]->w = 416; Private->SDL_modelist[6]->h = 312;+
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	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..+
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	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 +
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	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"+
−