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authorJesse Hall <jessehall@google.com>2012-07-23 10:12:30 -0700
committerandroid code review <noreply-gerritcodereview@google.com>2012-07-23 10:12:30 -0700
commit2b3a42e7d0b441f71fc2e2b07269dd1f8151c977 (patch)
treeded6ee18c4e1f33df235e53615a6d65e2d64f4ef /distrib/sdl-1.2.15/src/video/symbian/EKA1/SDL_epocvideo.cpp
parent3dcbebfd43e409c3bbff7fc79288e40666a947fd (diff)
parent9682c8870b8ff5e4ac2e4c70b759f791c6f38c1f (diff)
downloadexternal_qemu-2b3a42e7d0b441f71fc2e2b07269dd1f8151c977.zip
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Merge changes I505c4aea,I2ae0529c
* changes: Import SDL release-1.2.15 Handle SDL windows with BGRA color
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/symbian/EKA1/SDL_epocvideo.cpp')
-rw-r--r--distrib/sdl-1.2.15/src/video/symbian/EKA1/SDL_epocvideo.cpp1356
1 files changed, 1356 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/symbian/EKA1/SDL_epocvideo.cpp b/distrib/sdl-1.2.15/src/video/symbian/EKA1/SDL_epocvideo.cpp
new file mode 100644
index 0000000..06874d5
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/symbian/EKA1/SDL_epocvideo.cpp
@@ -0,0 +1,1356 @@
+/*
+ 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"