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qemu-android / emulator-unstable-refactoring / 37337eb8cc4df9887e1847dc10e4206d69e1c68c / . / distrib / sdl-1.2.15 / src / video / symbian / EKA1 / SDL_epocvideo.cpp
blob: 06874d546c82fc2cb8fac113a0faeb5704804523 [file] [log] [blame]
/*
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"