| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2012 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" |