1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2012 Sam Lantinga 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Library General Public 7 License as published by the Free Software Foundation; either 8 version 2 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Library General Public License for more details. 14 15 You should have received a copy of the GNU Library General Public 16 License along with this library; if not, write to the Free 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 19 Sam Lantinga 20 slouken (at) devolution.com 21 */ 22 23 /* 24 SDL_epocvideo.cpp 25 Epoc based SDL video driver implementation 26 27 Thanks to Peter van Sebille, the author of EMame. It is a great example of 28 low level graphics coding in Epoc. 29 30 Epoc version by Hannu Viitala (hannu.j.viitala (at) mbnet.fi) 31 Assembler routines by Kimmo Kinnunen 32 */ 33 34 35 36 #include <stdlib.h> 37 #include <stdio.h> 38 #include <string.h> 39 40 extern "C" { 41 #include "SDL_error.h" 42 #include "SDL_timer.h" 43 #include "SDL_video.h" 44 #undef NULL 45 #include "SDL_pixels_c.h" 46 #include "SDL.h" 47 }; 48 49 #include "SDL_epocvideo.h" 50 #include "SDL_epocevents_c.h" 51 52 #include "sdl_epocruntime.h" 53 54 #include <hal.h> 55 #include <coedef.h> 56 #include <flogger.h> 57 58 #ifdef SYMBIAN_QUARTZ 59 SDL_VideoDevice* _thisDevice; 60 #endif 61 62 _LIT(KLibName, "SDL"); 63 64 /* For debugging */ 65 66 //if old SOS, from 7.x this is public! 67 class CLockable : public CFbsBitmap 68 { 69 public: 70 static CLockable* Lockable(CFbsBitmap* aBmp) {return static_cast<CLockable*>(aBmp);} 71 void Lock() {LockHeap();} 72 void Unlock() {UnlockHeap();} 73 }; 74 #define LockHeap(x) CLockable::Lockable(x)->Lock() 75 #define UnlockHeap(x) CLockable::Lockable(x)->Unlock() 76 77 void RDebug_Print_b(char* error_str, void* param) 78 { 79 TBuf8<128> error8((TUint8*)error_str); 80 TBuf<128> error; 81 error.Copy(error8); 82 83 #ifndef TRACE_TO_FILE 84 if (param) //!! Do not work if the parameter is really 0!! 85 RDebug::Print(error, param); 86 else 87 RDebug::Print(error); 88 #else 89 if (param) //!! Do not work if the parameter is really 0!! 90 RFileLogger::WriteFormat(KLibName, _L("SDL.txt"), EFileLoggingModeAppend, error, param); 91 else 92 RFileLogger::Write(KLibName, _L("SDL.txt"), EFileLoggingModeAppend, error); 93 #endif 94 95 } 96 97 extern "C" void RDebug_Print(char* error_str, void* param) 98 { 99 RDebug_Print_b(error_str, param); 100 } 101 102 103 int Debug_AvailMem2() 104 { 105 //User::CompressAllHeaps(); 106 TMemoryInfoV1Buf membuf; 107 User::LeaveIfError(UserHal::MemoryInfo(membuf)); 108 TMemoryInfoV1 minfo = membuf(); 109 return(minfo.iFreeRamInBytes); 110 } 111 112 extern "C" int Debug_AvailMem() 113 { 114 return(Debug_AvailMem2()); 115 } 116 117 118 extern "C" { 119 120 /* Initialization/Query functions */ 121 122 static int EPOC_VideoInit(_THIS, SDL_PixelFormat *vformat); 123 static SDL_Rect **EPOC_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); 124 static SDL_Surface *EPOC_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); 125 static int EPOC_SetColors(_THIS, int firstcolor, int ncolors, 126 SDL_Color *colors); 127 static void EPOC_VideoQuit(_THIS); 128 129 /* Hardware surface functions */ 130 131 static int EPOC_AllocHWSurface(_THIS, SDL_Surface *surface); 132 static int EPOC_LockHWSurface(_THIS, SDL_Surface *surface); 133 static int EPOC_FlipHWSurface(_THIS, SDL_Surface *surface); 134 static void EPOC_UnlockHWSurface(_THIS, SDL_Surface *surface); 135 static void EPOC_FreeHWSurface(_THIS, SDL_Surface *surface); 136 static void EPOC_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); 137 138 static int EPOC_Available(void); 139 static SDL_VideoDevice *EPOC_CreateDevice(int devindex); 140 141 void DrawBackground(_THIS); 142 void DirectDraw(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer); 143 void DirectDrawRotated(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer); 144 145 /* Mouse functions */ 146 147 static WMcursor *EPOC_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y); 148 static void EPOC_FreeWMCursor(_THIS, WMcursor *cursor); 149 static int EPOC_ShowWMCursor(_THIS, WMcursor *cursor); 150 151 152 153 /* !!For 12 bit screen HW. Table for fast conversion from 8 bit to 12 bit */ 154 // TUint16 is enough, but using TUint32 so we can use better instruction selection on ARMI 155 static TUint32 EPOC_HWPalette_256_to_Screen[256]; 156 157 VideoBootStrap EPOC_bootstrap = { 158 "epoc", "EPOC system", 159 EPOC_Available, EPOC_CreateDevice 160 }; 161 162 const TUint32 WindowClientHandle = 9210; //!! const 163 164 /* Epoc video driver bootstrap functions */ 165 166 static int EPOC_Available(void) 167 { 168 return 1; /* Always available */ 169 } 170 171 static void EPOC_DeleteDevice(SDL_VideoDevice *device) 172 { 173 free(device->hidden); 174 free(device); 175 } 176 177 static SDL_VideoDevice *EPOC_CreateDevice(int /*devindex*/) 178 { 179 SDL_VideoDevice *device; 180 181 SDL_TRACE("SDL:EPOC_CreateDevice"); 182 183 /* Allocate all variables that we free on delete */ 184 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); 185 if ( device ) { 186 memset(device, 0, (sizeof *device)); 187 device->hidden = (struct SDL_PrivateVideoData *) 188 malloc((sizeof *device->hidden)); 189 } 190 if ( (device == NULL) || (device->hidden == NULL) ) { 191 SDL_OutOfMemory(); 192 if ( device ) { 193 free(device); 194 } 195 return(0); 196 } 197 memset(device->hidden, 0, (sizeof *device->hidden)); 198 199 /* Set the function pointers */ 200 device->VideoInit = EPOC_VideoInit; 201 device->ListModes = EPOC_ListModes; 202 device->SetVideoMode = EPOC_SetVideoMode; 203 device->SetColors = EPOC_SetColors; 204 device->UpdateRects = NULL; 205 device->VideoQuit = EPOC_VideoQuit; 206 device->AllocHWSurface = EPOC_AllocHWSurface; 207 device->CheckHWBlit = NULL; 208 device->FillHWRect = NULL; 209 device->SetHWColorKey = NULL; 210 device->SetHWAlpha = NULL; 211 device->LockHWSurface = EPOC_LockHWSurface; 212 device->UnlockHWSurface = EPOC_UnlockHWSurface; 213 device->FlipHWSurface = EPOC_FlipHWSurface; 214 device->FreeHWSurface = EPOC_FreeHWSurface; 215 device->SetIcon = NULL; 216 device->SetCaption = NULL; 217 device->GetWMInfo = NULL; 218 device->FreeWMCursor = EPOC_FreeWMCursor; 219 device->CreateWMCursor = EPOC_CreateWMCursor; 220 device->ShowWMCursor = EPOC_ShowWMCursor; 221 device->WarpWMCursor = NULL; 222 device->InitOSKeymap = EPOC_InitOSKeymap; 223 device->PumpEvents = EPOC_PumpEvents; 224 device->free = EPOC_DeleteDevice; 225 226 return device; 227 } 228 229 230 int GetBpp(TDisplayMode displaymode) 231 { 232 /*TInt numColors = TDisplayModeUtils::NumDisplayModeColors(displaymode); 233 TInt bitsPerPixel = 1; 234 for (TInt32 i = 2; i < numColors; i <<= 1, bitsPerPixel++); 235 return bitsPerPixel;*/ 236 return TDisplayModeUtils::NumDisplayModeBitsPerPixel(displaymode); 237 } 238 239 240 void DisableKeyBlocking(_THIS) 241 { 242 // Disable key blocking 243 TRawEvent event; 244 event.Set((TRawEvent::TType)/*EDisableKeyBlock*/51); // !!EDisableKeyBlock not found in epoc32\include! 245 Private->EPOC_WsSession.SimulateRawEvent(event); 246 } 247 248 void ConstructWindowL(_THIS) 249 { 250 TInt error; 251 252 SDL_TRACE("SDL:ConstructWindowL"); 253 error = Private->EPOC_WsSession.Connect(); 254 User::LeaveIfError(error); 255 Private->EPOC_WsScreen=new(ELeave) CWsScreenDevice(Private->EPOC_WsSession); 256 User::LeaveIfError(Private->EPOC_WsScreen->Construct()); 257 User::LeaveIfError(Private->EPOC_WsScreen->CreateContext(Private->EPOC_WindowGc)); 258 259 Private->EPOC_WsWindowGroup=RWindowGroup(Private->EPOC_WsSession); 260 User::LeaveIfError(Private->EPOC_WsWindowGroup.Construct(WindowClientHandle)); 261 Private->EPOC_WsWindowGroup.SetOrdinalPosition(0); 262 263 // Set window group name (the same as process name)) !!Gives always "EPOC" in WINS 264 RProcess thisProcess; 265 TParse exeName; 266 exeName.Set(thisProcess.FileName(), NULL, NULL); 267 TBuf<32> winGroupName; 268 winGroupName.Append(0); 269 winGroupName.Append(0); 270 winGroupName.Append(0);// uid 271 winGroupName.Append(0); 272 winGroupName.Append(exeName.Name()); // caption 273 winGroupName.Append(0); 274 winGroupName.Append(0); //doc name 275 Private->EPOC_WsWindowGroup.SetName(winGroupName); 276 277 Private->EPOC_WsWindow=RWindow(Private->EPOC_WsSession); 278 // Markus, it was: 279 // User::LeaveIfError(Private->EPOC_WsWindow.Construct(Private->EPOC_WsWindowGroup,WindowClientHandle )); 280 // but SOS 7.0s debug does not accept same window handle twice 281 User::LeaveIfError(Private->EPOC_WsWindow.Construct(Private->EPOC_WsWindowGroup,WindowClientHandle - 1)); 282 Private->EPOC_WsWindow.SetBackgroundColor(KRgbWhite); 283 Private->EPOC_WsWindow.Activate(); 284 Private->EPOC_WsWindow.SetSize(Private->EPOC_WsScreen->SizeInPixels()); 285 Private->EPOC_WsWindow.SetVisible(ETrue); 286 287 Private->EPOC_WsWindowGroupID = Private->EPOC_WsWindowGroup.Identifier(); 288 Private->EPOC_IsWindowFocused = EFalse; 289 290 DisableKeyBlocking(_this); //disable key blocking 291 } 292 293 int EPOC_VideoInit(_THIS, SDL_PixelFormat *vformat) 294 { 295 // !!TODO:handle leave functions! 296 297 int i; 298 299 SDL_TRACE("SDL:EPOC_VideoInit"); 300 301 /* Initialize all variables that we clean on shutdown */ 302 303 for ( i=0; i<SDL_NUMMODES; ++i ) { 304 Private->SDL_modelist[i] = (SDL_Rect *)malloc(sizeof(SDL_Rect)); 305 Private->SDL_modelist[i]->x = Private->SDL_modelist[i]->y = 0; 306 } 307 308 /* Modes sorted largest to smallest */ 309 Private->SDL_modelist[0]->w = 800; Private->SDL_modelist[0]->h = 250; 310 Private->SDL_modelist[1]->w = 640; Private->SDL_modelist[1]->h = 480; 311 Private->SDL_modelist[2]->w = 480; Private->SDL_modelist[2]->h = 600; 312 Private->SDL_modelist[3]->w = 640; Private->SDL_modelist[3]->h = 400; 313 Private->SDL_modelist[4]->w = 352; Private->SDL_modelist[4]->h = 416; 314 Private->SDL_modelist[5]->w = 416; Private->SDL_modelist[5]->h = 352; 315 Private->SDL_modelist[6]->w = 416; Private->SDL_modelist[6]->h = 312; 316 Private->SDL_modelist[7]->w = 352; Private->SDL_modelist[7]->h = 264; 317 Private->SDL_modelist[8]->w = 800; Private->SDL_modelist[8]->h = 240; //for doom all these.. 318 Private->SDL_modelist[9]->w = 640; Private->SDL_modelist[9]->h = 240; 319 Private->SDL_modelist[10]->w = 480; Private->SDL_modelist[10]->h = 240; 320 Private->SDL_modelist[11]->w = 640; Private->SDL_modelist[11]->h = 240; 321 Private->SDL_modelist[12]->w = 352; Private->SDL_modelist[12]->h = 240; 322 Private->SDL_modelist[13]->w = 416; Private->SDL_modelist[13]->h = 240; 323 Private->SDL_modelist[14]->w = 416; Private->SDL_modelist[14]->h = 240; 324 Private->SDL_modelist[15]->w = 352; Private->SDL_modelist[15]->h = 240; 325 Private->SDL_modelist[16]->w = 640; Private->SDL_modelist[16]->h = 200; 326 Private->SDL_modelist[17]->w = 320; Private->SDL_modelist[17]->h = 240; //...for doom, currently engine renders no-higher windows :-(, propably should get fixed 327 Private->SDL_modelist[18]->w = 320; Private->SDL_modelist[18]->h = 200; 328 Private->SDL_modelist[19]->w = 256; Private->SDL_modelist[19]->h = 192; 329 Private->SDL_modelist[20]->w = 176; Private->SDL_modelist[20]->h = 208; 330 Private->SDL_modelist[21]->w = 208; Private->SDL_modelist[21]->h = 176; // Rotated 331 Private->SDL_modelist[22]->w = 160; Private->SDL_modelist[22]->h = 144; 332 333 Private->SDL_modelist[23]->w = 640; Private->SDL_modelist[2]->h = 200; //s80 some new modes 334 Private->SDL_modelist[24]->w = 640; Private->SDL_modelist[2]->h = 320; //s90 modes are added 335 Private->SDL_modelist[25]->w = 640; Private->SDL_modelist[2]->h = 240; //here 336 Private->SDL_modelist[26]->w = 640; Private->SDL_modelist[4]->h = 200; //now 337 338 Private->SDL_modelist[27] = NULL; 339 340 /* Construct Epoc window */ 341 342 ConstructWindowL(_this); 343 344 /* Initialise Epoc frame buffer */ 345 346 TDisplayMode displayMode = Private->EPOC_WsScreen->DisplayMode(); 347 348 #if !defined(__WINS__) && !defined(TEST_BM_DRAW) 349 350 TScreenInfoV01 screenInfo; 351 TPckg<TScreenInfoV01> sInfo(screenInfo); 352 UserSvr::ScreenInfo(sInfo); 353 354 Private->EPOC_ScreenSize = screenInfo.iScreenSize; 355 Private->EPOC_DisplayMode = displayMode; 356 Private->EPOC_HasFrameBuffer = screenInfo.iScreenAddressValid; 357 Private->EPOC_FrameBuffer = Private->EPOC_HasFrameBuffer ? (TUint8*) screenInfo.iScreenAddress : NULL; 358 Private->EPOC_BytesPerPixel = ((GetBpp(displayMode)-1) / 8) + 1; 359 360 Private->EPOC_BytesPerScanLine = screenInfo.iScreenSize.iWidth * Private->EPOC_BytesPerPixel; 361 Private->EPOC_BytesPerScreen = Private->EPOC_BytesPerScanLine * Private->EPOC_ScreenSize.iHeight; 362 363 SDL_TRACE1("Screen width %d", screenInfo.iScreenSize.iWidth); 364 SDL_TRACE1("Screen height %d", screenInfo.iScreenSize.iHeight); 365 SDL_TRACE1("Screen dmode %d", displayMode); 366 SDL_TRACE1("Screen valid %d", screenInfo.iScreenAddressValid); 367 368 SDL_TRACE1("bpp %d", Private->EPOC_BytesPerPixel); 369 SDL_TRACE1("bpsl %d", Private->EPOC_BytesPerScanLine); 370 SDL_TRACE1("bps %d", Private->EPOC_BytesPerScreen); 371 372 373 /* It seems that in SA1100 machines for 8bpp displays there is a 512 palette table at the 374 * beginning of the frame buffer. E.g. Series 7 and Netbook. 375 * In 12 bpp machines the table has 16 entries. 376 */ 377 if (Private->EPOC_HasFrameBuffer && GetBpp(displayMode) == 8) 378 { 379 Private->EPOC_FrameBuffer += 512; 380 } 381 else 382 { 383 Private->EPOC_FrameBuffer += 32; 384 } 385 /*if (Private->EPOC_HasFrameBuffer && GetBpp(displayMode) == 12) 386 Private->EPOC_FrameBuffer += 16 * 2; 387 if (Private->EPOC_HasFrameBuffer && GetBpp(displayMode) == 16) 388 Private->EPOC_FrameBuffer += 16 * 2; 389 */ 390 #else /* defined __WINS__ */ 391 392 /* Create bitmap, device and context for screen drawing */ 393 Private->EPOC_ScreenSize = Private->EPOC_WsScreen->SizeInPixels(); 394 395 Private->EPOC_Bitmap = new (ELeave) CWsBitmap(Private->EPOC_WsSession); 396 Private->EPOC_Bitmap->Create(Private->EPOC_ScreenSize, displayMode); 397 398 Private->EPOC_DisplayMode = displayMode; 399 Private->EPOC_HasFrameBuffer = ETrue; 400 Private->EPOC_FrameBuffer = NULL; /* Private->EPOC_Bitmap->DataAddress() can change any time */ 401 Private->EPOC_BytesPerPixel = ((GetBpp(displayMode)-1) / 8) + 1; 402 Private->EPOC_BytesPerScanLine = Private->EPOC_WsScreen->SizeInPixels().iWidth * Private->EPOC_BytesPerPixel; 403 404 #endif /* __WINS__ */ 405 406 #ifndef SYMBIAN_CRYSTAL 407 // Get draw device for updating the screen 408 TScreenInfoV01 screenInfo2; 409 410 Epoc_Runtime::GetScreenInfo(screenInfo2); 411 412 TRAPD(status, Private->EPOC_DrawDevice = CFbsDrawDevice::NewScreenDeviceL(screenInfo2, displayMode)); 413 User::LeaveIfError(status); 414 #endif 415 416 /* The "best" video format should be returned to caller. */ 417 418 vformat->BitsPerPixel = /*!!GetBpp(displayMode) */ 8; 419 vformat->BytesPerPixel = /*!!Private->EPOC_BytesPerPixel*/ 1; 420 421 /* Activate events for me */ 422 423 Private->EPOC_WsEventStatus = KRequestPending; 424 Private->EPOC_WsSession.EventReady(&Private->EPOC_WsEventStatus); 425 426 SDL_TRACE("SDL:WsEventStatus"); 427 User::WaitForRequest(Private->EPOC_WsEventStatus); //Markus: I added this and ... 428 429 Private->EPOC_RedrawEventStatus = KRequestPending; 430 Private->EPOC_WsSession.RedrawReady(&Private->EPOC_RedrawEventStatus); 431 432 SDL_TRACE("SDL:RedrawEventStatus"); 433 User::WaitForRequest(Private->EPOC_RedrawEventStatus); //...this, if not catches a stray event is risen 434 //if there are active objects used, or confucing 435 //actions with User::WaitForAnyRequest 436 Private->EPOC_WsWindow.PointerFilter(EPointerFilterDrag, 0); 437 438 Private->EPOC_ScreenOffset = TPoint(0, 0); 439 440 #if defined(__WINS__) || defined(TEST_BM_DRAW) 441 LockHeap(Private->EPOC_Bitmap); // Lock bitmap heap 442 #endif 443 444 SDL_TRACE("SDL:DrawBackground"); 445 DrawBackground(_this); // Clear screen 446 447 #if defined(__WINS__) || defined(TEST_BM_DRAW) 448 UnlockHeap(Private->EPOC_Bitmap); // Unlock bitmap heap 449 #endif 450 //!! TODO: error handling 451 //if (ret != KErrNone) 452 // return(-1); 453 //else 454 return(0); 455 } 456 457 458 SDL_Rect **EPOC_ListModes(_THIS, SDL_PixelFormat *format, Uint32 /*flags*/) 459 { 460 if (format->BitsPerPixel == 12 || format->BitsPerPixel == 8) 461 return Private->SDL_modelist; 462 return NULL; 463 } 464 465 int EPOC_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) 466 { 467 if ((firstcolor+ncolors) > 256) 468 return -1; 469 // SDL_TRACE1("colors %d", (TDisplayModeUtils::NumDisplayModeColors(Private->EPOC_DisplayMode))); 470 if(TDisplayModeUtils::NumDisplayModeColors(Private->EPOC_DisplayMode) == 4096) 471 { 472 // Set 12 bit palette 473 for(int i = firstcolor; i < ncolors; i++) 474 { 475 // 4k value: 0000 rrrr gggg bbbb 476 TUint32 color4K = (colors[i].r & 0x0000f0) << 4; 477 color4K |= (colors[i].g & 0x0000f0); 478 color4K |= (colors[i].b & 0x0000f0) >> 4; 479 EPOC_HWPalette_256_to_Screen[i] = color4K; 480 } 481 } 482 else if(TDisplayModeUtils::NumDisplayModeColors(Private->EPOC_DisplayMode) == 65536) 483 { 484 for(int i = firstcolor; i < ncolors; i++) 485 { 486 // 64k-colour displays effectively support RGB values 487 // with 5 bits allocated to red, 6 to green and 5 to blue 488 // 64k value: rrrr rggg gggb bbbb 489 TUint32 color64K = (colors[i].r & 0x0000f8) << 8; 490 color64K |= (colors[i].g & 0x0000fc) << 3; 491 color64K |= (colors[i].b & 0x0000f8) >> 3; 492 EPOC_HWPalette_256_to_Screen[i] = color64K; 493 } 494 } 495 else if(TDisplayModeUtils::NumDisplayModeColors(Private->EPOC_DisplayMode) == 16777216) 496 { 497 for(int i = firstcolor; i < ncolors; i++) 498 { 499 // 16M-colour 500 //0000 0000 rrrr rrrr gggg gggg bbbb bbbb 501 TUint32 color16M = colors[i].r << 16; 502 color16M |= colors[i].g << 8; 503 color16M |= colors[i].b; 504 EPOC_HWPalette_256_to_Screen[i] = color16M; 505 } 506 } 507 else 508 { 509 return -2; 510 } 511 return(0); 512 } 513 514 515 SDL_Surface *EPOC_SetVideoMode(_THIS, SDL_Surface *current, 516 int width, int height, int bpp, Uint32 /*flags*/) 517 { 518 SDL_TRACE("SDL:EPOC_SetVideoMode"); 519 /* Check parameters */ 520 #ifdef SYMBIAN_CRYSTAL 521 if (! (bpp == 8 || bpp == 12 || bpp == 16) && 522 ( 523 (width == 640 && height == 200) || 524 (width == 640 && height == 400) || 525 (width == 640 && height == 480) || 526 (width == 320 && height == 200) || 527 (width == 320 && height == 240) 528 )) { 529 SDL_SetError("Requested video mode is not supported"); 530 return NULL; 531 } 532 #else // SYMBIAN_SERIES60 533 if (! (bpp == 8 || bpp == 12 || bpp == 16) && 534 ( 535 (width == 320 && height == 200) || 536 (width == 320 && height == 240) || 537 (width == 256 && height == 192) || 538 (width == 176 && height == 208) || 539 (width == 208 && height == 176) || // Rotated 540 (width == 160 && height == 144) 541 )) { 542 SDL_SetError("Requested video mode is not supported"); 543 return NULL; 544 } 545 #endif 546 547 if (current && current->pixels) { 548 free(current->pixels); 549 current->pixels = NULL; 550 } 551 if ( ! SDL_ReallocFormat(current, bpp, 0, 0, 0, 0) ) { 552 return(NULL); 553 } 554 555 /* Set up the new mode framebuffer */ 556 if (bpp == 8) 557 current->flags = (SDL_FULLSCREEN|SDL_SWSURFACE|SDL_PREALLOC|SDL_HWPALETTE); 558 else // 12 bpp, 16 bpp 559 current->flags = (SDL_FULLSCREEN|SDL_SWSURFACE|SDL_PREALLOC); 560 current->w = width; 561 current->h = height; 562 int numBytesPerPixel = ((bpp-1)>>3) + 1; 563 current->pitch = numBytesPerPixel * width; // Number of bytes in scanline 564 current->pixels = malloc(width * height * numBytesPerPixel); 565 memset(current->pixels, 0, width * height * numBytesPerPixel); 566 567 /* Set the blit function */ 568 _this->UpdateRects = EPOC_DirectUpdate; 569 570 /* 571 * Logic for getting suitable screen dimensions, offset, scaling and orientation 572 */ 573 574 int w = current->w; 575 int h = current->h; 576 577 // Rotate, if the screen does not fit horizontally and it is landscape screen 578 /* 579 if ((width>Private->EPOC_ScreenSize.iWidth) && (width>height)) { 580 Private->EPOC_ScreenOrientation = CFbsBitGc::EGraphicsOrientationRotated270; 581 w = current->h; 582 h = current->w; 583 } 584 */ 585 // Get nearest stepwise scale values for width and height. The smallest supported scaled screen is 1/2. 586 TInt scaleValue = 0; 587 Private->EPOC_ScreenXScaleValue = 1; 588 Private->EPOC_ScreenYScaleValue = 1; 589 if (w > Private->EPOC_ScreenSize.iWidth) { 590 // Find the biggest scale value that result the width that fits in the screen HW 591 for (scaleValue = 2; scaleValue++;) { 592 TInt scaledWidth = (w * (scaleValue-1))/scaleValue; 593 if (scaledWidth > Private->EPOC_ScreenSize.iWidth) 594 break; 595 } 596 Private->EPOC_ScreenXScaleValue = Max(2, scaleValue - 1); 597 w = (w * (Private->EPOC_ScreenXScaleValue-1))/Private->EPOC_ScreenXScaleValue; 598 } 599 if (h > Private->EPOC_ScreenSize.iHeight) { 600 // Find the biggest scale value that result the height that fits in the screen HW 601 for (scaleValue = 2; scaleValue++;) { 602 TInt scaledHeight = (h * (scaleValue-1))/scaleValue; 603 if (scaledHeight > Private->EPOC_ScreenSize.iHeight) 604 break; 605 } 606 Private->EPOC_ScreenYScaleValue = Max(2, scaleValue - 1); 607 h = (h * (Private->EPOC_ScreenYScaleValue-1))/Private->EPOC_ScreenYScaleValue; 608 } 609 610 /* Centralize game window on device screen */ 611 Private->EPOC_ScreenOffset.iX = (Private->EPOC_ScreenSize.iWidth - w) / 2; 612 if (Private->EPOC_ScreenOffset.iX < 0) 613 Private->EPOC_ScreenOffset.iX = 0; 614 Private->EPOC_ScreenOffset.iY = (Private->EPOC_ScreenSize.iHeight - h) / 2; 615 if (Private->EPOC_ScreenOffset.iY < 0) 616 Private->EPOC_ScreenOffset.iY = 0; 617 618 619 SDL_TRACE1("View width %d", w); 620 SDL_TRACE1("View height %d", h); 621 SDL_TRACE1("View bmode %d", bpp); 622 SDL_TRACE1("View s %d", scaleValue); 623 SDL_TRACE1("View x %d", Private->EPOC_ScreenOffset.iX); 624 SDL_TRACE1("View y %d", Private->EPOC_ScreenOffset.iY); 625 626 /* We're done */ 627 return(current); 628 } 629 630 631 void RedrawWindowL(_THIS) 632 { 633 634 #if defined(__WINS__) || defined(TEST_BM_DRAW) 635 LockHeap(Private->EPOC_Bitmap); // Lock bitmap heap 636 Private->EPOC_WindowGc->Activate(Private->EPOC_WsWindow); 637 #endif 638 639 int w = _this->screen->w; 640 int h = _this->screen->h; 641 if (Private->EPOC_ScreenOrientation == CFbsBitGc::EGraphicsOrientationRotated270) { 642 w = _this->screen->h; 643 h = _this->screen->w; 644 } 645 if ((w < Private->EPOC_ScreenSize.iWidth) 646 || (h < Private->EPOC_ScreenSize.iHeight)) { 647 DrawBackground(_this); 648 } 649 650 /* Tell the system that something has been drawn */ 651 TRect rect = TRect(Private->EPOC_WsWindow.Size()); 652 Private->EPOC_WsWindow.Invalidate(rect); 653 654 #if defined(__WINS__) || defined(TEST_BM_DRAW) 655 Private->EPOC_WsWindow.BeginRedraw(rect); 656 Private->EPOC_WindowGc->BitBlt(TPoint(), Private->EPOC_Bitmap); 657 Private->EPOC_WsWindow.EndRedraw(); 658 Private->EPOC_WindowGc->Deactivate(); 659 UnlockHeap(Private->EPOC_Bitmap);; // Unlock bitmap heap 660 Private->EPOC_WsSession.Flush(); 661 #endif 662 663 /* Draw current buffer */ 664 SDL_Rect fullScreen; 665 fullScreen.x = 0; 666 fullScreen.y = 0; 667 fullScreen.w = _this->screen->w; 668 fullScreen.h = _this->screen->h; 669 EPOC_DirectUpdate(_this, 1, &fullScreen); 670 } 671 672 673 void DrawBackground(_THIS) 674 { 675 /* Draw background */ 676 #if defined(__WINS__) || defined(TEST_BM_DRAW) 677 //warning heap is not locked! - a function calling must ensure that it's ok 678 TUint16* screenBuffer = (TUint16*)Private->EPOC_Bitmap->DataAddress(); 679 #else 680 TUint16* screenBuffer = (TUint16*)Private->EPOC_FrameBuffer; 681 #endif 682 // Draw black background 683 Mem::FillZ(screenBuffer, Private->EPOC_BytesPerScreen); 684 685 #if 0 686 for (int y = 0; y < Private->EPOC_ScreenSize.iHeight; y++) { 687 for (int x = 0; x < Private->EPOC_ScreenSize.iWidth; x++) { 688 #ifdef SYMBIAN_CRYSTAL 689 const TUint16 color = 0; // ((x+y)>>1) & 0xf; /* Draw blue stripes pattern, because in e.g. 320x200 mode there is a big background area*/ 690 #else // SYMBIAN_SERIES60 691 const TUint16 color = 0; /* Draw black background */ 692 #endif 693 *screenBuffer++ = color; 694 } 695 } 696 #endif 697 } 698 699 700 /* We don't actually allow hardware surfaces other than the main one */ 701 static int EPOC_AllocHWSurface(_THIS, SDL_Surface* /*surface*/) 702 { 703 return(-1); 704 } 705 static void EPOC_FreeHWSurface(_THIS, SDL_Surface* /*surface*/) 706 { 707 return; 708 } 709 710 static int EPOC_LockHWSurface(_THIS, SDL_Surface* /*surface*/) 711 { 712 return(0); 713 } 714 static void EPOC_UnlockHWSurface(_THIS, SDL_Surface* /*surface*/) 715 { 716 return; 717 } 718 719 static int EPOC_FlipHWSurface(_THIS, SDL_Surface* /*surface*/) 720 { 721 return(0); 722 } 723 724 static void EPOC_DirectUpdate(_THIS, int numrects, SDL_Rect *rects) 725 { 726 //TInt focusWindowGroupId = Private->EPOC_WsSession.GetFocusWindowGroup();//these are async services 727 // if (focusWindowGroupId != Private->EPOC_WsWindowGroupID) { //for that cannot be called from 728 //SDL threads ??? 729 if (!Private->EPOC_IsWindowFocused) 730 { 731 /* Force focus window to redraw again for cleaning away SDL screen graphics */ 732 /* 733 TInt pos = Private->EPOC_WsWindowGroup.OrdinalPosition(); 734 Private->EPOC_WsWindowGroup.SetOrdinalPosition(0, KMaxTInt); 735 TRect rect = TRect(Private->EPOC_WsWindow.Size()); 736 Private->EPOC_WsWindow.Invalidate(rect); 737 Private->EPOC_WsWindowGroup.SetOrdinalPosition(pos, ECoeWinPriorityNormal); 738 */ /* If this is not the topmost window, wait here! Sleep for 1 second to give cpu time to 739 multitasking and poll for being the topmost window. 740 */ 741 // if (Private->EPOC_WsSession.GetFocusWindowGroup() != Private->EPOC_WsWindowGroupID) { 742 743 /* !!TODO: Could call GetRedraw() etc. for WsSession and redraw the screen if needed. That might be 744 needed if a small dialog comes in front of Game screen. 745 */ 746 // while (Private->EPOC_WsSession.GetFocusWindowGroup() != Private->EPOC_WsWindowGroupID) 747 748 SDL_PauseAudio(1); 749 SDL_Delay(1000); 750 return; 751 // } 752 753 // RedrawWindowL(_this); 754 } 755 756 SDL_PauseAudio(0); 757 758 // if we are not focused, do not draw 759 // if (!Private->EPOC_IsWindowFocused) 760 // return; 761 #if defined(__WINS__) || defined(TEST_BM_DRAW) 762 TBitmapUtil lock(Private->EPOC_Bitmap); 763 lock.Begin(TPoint(0,0)); // Lock bitmap heap 764 Private->EPOC_WindowGc->Activate(Private->EPOC_WsWindow); 765 TUint16* screenBuffer = (TUint16*)Private->EPOC_Bitmap->DataAddress(); 766 #else 767 TUint16* screenBuffer = (TUint16*)Private->EPOC_FrameBuffer; 768 #endif 769 770 if (Private->EPOC_ScreenOrientation == CFbsBitGc::EGraphicsOrientationRotated270) 771 DirectDrawRotated(_this, numrects, rects, screenBuffer); 772 else 773 DirectDraw(_this, numrects, rects, screenBuffer); 774 775 776 #if defined(__WINS__) || defined(TEST_BM_DRAW) 777 778 TRect rect = TRect(Private->EPOC_WsWindow.Size()); 779 Private->EPOC_WsWindow.Invalidate(rect); 780 Private->EPOC_WsWindow.BeginRedraw(rect); 781 Private->EPOC_WindowGc->BitBlt(TPoint(), Private->EPOC_Bitmap); 782 Private->EPOC_WsWindow.EndRedraw(); 783 Private->EPOC_WindowGc->Deactivate(); 784 lock.End(); // Unlock bitmap heap 785 Private->EPOC_WsSession.Flush(); 786 #else 787 #ifndef SYMBIAN_CRYSTAL 788 // This is not needed in Crystal. What is the performance penalty in SERIES60? 789 TRect rect2 = TRect(Private->EPOC_WsWindow.Size()); 790 791 Private->EPOC_DrawDevice->UpdateRegion(rect2); // Should we update rects parameter area only?? 792 Private->EPOC_DrawDevice->Update(); 793 #endif 794 #endif 795 796 /* Update virtual cursor. !!Do not yet work properly 797 Private->EPOC_WsSession.SetPointerCursorPosition(Private->EPOC_WsSession.PointerCursorPosition()); 798 */ 799 800 /*static int foo = 1; 801 802 for ( int i=0; i < numrects; ++i ) { 803 const SDL_Rect& currentRect = rects[i]; 804 SDL_Rect rect2; 805 rect2.x = currentRect.x; 806 rect2.y = currentRect.y; 807 rect2.w = currentRect.w; 808 rect2.h = currentRect.h; 809 810 if (rect2.w <= 0 || rect2.h <= 0) 811 continue; 812 813 814 foo++; 815 if((foo % 200) == 0) 816 { 817 SDL_TRACE1("foo %d", foo); 818 CFbsBitmap* b = new (ELeave) CFbsBitmap; 819 SDL_TRACE1("bee %d", (int)b); 820 int e = b->Create(TSize(currentRect.w, currentRect.h), Private->EPOC_DisplayMode); 821 822 SDL_TRACE1("err %d", e); 823 if(e != KErrNone) 824 User::Panic(_L("damn"), e); 825 826 TBitmapUtil u(b); 827 u.Begin(TPoint(0, 0)); 828 TUint32* d = b->DataAddress(); 829 830 SDL_TRACE1("addr %d", (int)d); 831 832 for(TInt o = 0; o < currentRect.h; o++) 833 for(TInt p = 0; p < currentRect.w; p++) 834 { 835 u.SetPos(TPoint(p, o)); 836 u.SetPixel(0xFFFF); 837 } 838 839 SDL_TRACE1("w %d", (int)currentRect.w); 840 SDL_TRACE1("h %d", (int)currentRect.h); 841 842 SDL_TRACE1("addr %d", (int)Private->EPOC_DisplayMode); 843 844 845 const TUint f = (TUint)Private->EPOC_FrameBuffer; 846 const TUint y = (TUint)Private->EPOC_BytesPerScreen; 847 848 849 SDL_TRACE1("frame %u", f); 850 SDL_TRACE1("bytes %u", y); 851 852 Mem::Copy(d, Private->EPOC_FrameBuffer, Private->EPOC_BytesPerScreen); 853 854 SDL_TRACE("kopied"); 855 856 u.End(); 857 TBuf<32> name; 858 name.Format(_L("C:\\nokia\\images\\doom%d.mbm"), (foo / 200)); 859 e= b->Save(name); 860 if(e != KErrNone) 861 User::Panic(_L("damned"), e); 862 delete b; 863 }}*/ 864 } 865 866 867 void DirectDraw(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer) 868 { 869 TInt i; 870 871 const TInt sourceNumBytesPerPixel = ((_this->screen->format->BitsPerPixel-1)>>3) + 1; 872 const TPoint fixedOffset = Private->EPOC_ScreenOffset; 873 const TInt screenW = _this->screen->w; 874 const TInt screenH = _this->screen->h; 875 const TInt sourceScanlineLength = screenW; 876 const TInt targetScanlineLength = Private->EPOC_ScreenSize.iWidth; 877 878 /* Render the rectangles in the list */ 879 880 for ( i=0; i < numrects; ++i ) { 881 const SDL_Rect& currentRect = rects[i]; 882 SDL_Rect rect2; 883 rect2.x = currentRect.x; 884 rect2.y = currentRect.y; 885 rect2.w = currentRect.w; 886 rect2.h = currentRect.h; 887 888 if (rect2.w <= 0 || rect2.h <= 0) /* sanity check */ 889 continue; 890 891 /* All variables are measured in pixels */ 892 893 /* Check rects validity, i.e. upper and lower bounds */ 894 TInt maxX = Min(screenW - 1, rect2.x + rect2.w - 1); 895 TInt maxY = Min(screenH - 1, rect2.y + rect2.h - 1); 896 if (maxX < 0 || maxY < 0) /* sanity check */ 897 continue; 898 /* Clip from bottom */ 899 maxY = Min(maxY, Private->EPOC_ScreenSize.iHeight-1); 900 /* TODO: Clip from the right side */ 901 902 const TInt sourceRectWidth = maxX - rect2.x + 1; 903 const TInt sourceRectWidthInBytes = sourceRectWidth * sourceNumBytesPerPixel; 904 const TInt sourceRectHeight = maxY - rect2.y + 1; 905 const TInt sourceStartOffset = rect2.x + rect2.y * sourceScanlineLength; 906 const TUint skipValue = 1; // no skip 907 908 TInt targetStartOffset = fixedOffset.iX + rect2.x + (fixedOffset.iY +rect2.y) * targetScanlineLength; 909 910 // Nokia7650 native mode: 12 bpp --> 12 bpp 911 // 912 913 switch (_this->screen->format->BitsPerPixel) 914 { 915 case 12: 916 { 917 TUint16* bitmapLine = (TUint16*)_this->screen->pixels + sourceStartOffset; 918 TUint16* screenMemory = screenBuffer + targetStartOffset; 919 if (skipValue == 1) 920 { 921 for(TInt y = 0 ; y < sourceRectHeight ; y++) 922 { 923 Mem::Copy(screenMemory, bitmapLine, sourceRectWidthInBytes); 924 } 925 bitmapLine += sourceScanlineLength; 926 screenMemory += targetScanlineLength; 927 } 928 else 929 { 930 for(TInt y = 0 ; y < sourceRectHeight ; y++) 931 { 932 //TODO: optimize: separate loops for 1, 2 and n skip. Mem::Copy() can be used in unscaled case. 933 TUint16* bitmapPos = bitmapLine; /* 2 bytes per pixel */ 934 TUint16* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */ 935 for(TInt x = 0 ; x < sourceRectWidth ; x++) 936 { 937 __ASSERT_DEBUG(screenMemory < (screenBuffer + Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight), User::Panic(_L("SDL"), KErrCorrupt)); 938 __ASSERT_DEBUG(screenMemory >= screenBuffer, User::Panic(_L("SDL"), KErrCorrupt)); 939 __ASSERT_DEBUG(bitmapLine < ((TUint16*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(_L("SDL"), KErrCorrupt)); 940 __ASSERT_DEBUG(bitmapLine >= (TUint16*)_this->screen->pixels, User::Panic(_L("SDL"), KErrCorrupt)); 941 942 *screenMemoryLinePos++ = *bitmapPos; 943 bitmapPos+=skipValue; 944 } 945 bitmapLine += sourceScanlineLength; 946 screenMemory += targetScanlineLength; 947 } 948 } 949 } 950 break; 951 // 256 color paletted mode: 8 bpp --> 12 bpp 952 // 953 default: 954 { 955 if(Private->EPOC_BytesPerPixel <= 2) 956 { 957 TUint8* bitmapLine = (TUint8*)_this->screen->pixels + sourceStartOffset; 958 TUint16* screenMemory = screenBuffer + targetStartOffset; 959 for(TInt y = 0 ; y < sourceRectHeight ; y++) 960 { 961 TUint8* bitmapPos = bitmapLine; /* 1 byte per pixel */ 962 TUint16* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */ 963 /* Convert each pixel from 256 palette to 4k color values */ 964 for(TInt x = 0 ; x < sourceRectWidth ; x++) 965 { 966 __ASSERT_DEBUG(screenMemoryLinePos < (screenBuffer + (Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight)), User::Panic(_L("SDL"), KErrCorrupt)); 967 __ASSERT_DEBUG(screenMemoryLinePos >= screenBuffer, User::Panic(_L("SDL"), KErrCorrupt)); 968 __ASSERT_DEBUG(bitmapPos < ((TUint8*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(_L("SDL"), KErrCorrupt)); 969 __ASSERT_DEBUG(bitmapPos >= (TUint8*)_this->screen->pixels, User::Panic(_L("SDL"), KErrCorrupt)); 970 *screenMemoryLinePos++ = EPOC_HWPalette_256_to_Screen[*bitmapPos++]; 971 // bitmapPos+=skipValue; //TODO: optimize: separate loops for 1, 2 and n skip 972 } 973 bitmapLine += sourceScanlineLength; 974 screenMemory += targetScanlineLength; 975 } 976 } 977 else 978 { 979 TUint8* bitmapLine = (TUint8*)_this->screen->pixels + sourceStartOffset; 980 TUint32* screenMemory = reinterpret_cast<TUint32*>(screenBuffer + targetStartOffset); 981 for(TInt y = 0 ; y < sourceRectHeight ; y++) 982 { 983 TUint8* bitmapPos = bitmapLine; /* 1 byte per pixel */ 984 TUint32* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */ 985 /* Convert each pixel from 256 palette to 4k color values */ 986 for(TInt x = 0 ; x < sourceRectWidth ; x++) 987 { 988 __ASSERT_DEBUG(screenMemoryLinePos < (reinterpret_cast<TUint32*>(screenBuffer) + (Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight)), User::Panic(_L("SDL"), KErrCorrupt)); 989 __ASSERT_DEBUG(screenMemoryLinePos >= reinterpret_cast<TUint32*>(screenBuffer), User::Panic(_L("SDL"), KErrCorrupt)); 990 __ASSERT_DEBUG(bitmapPos < ((TUint8*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(_L("SDL"), KErrCorrupt)); 991 __ASSERT_DEBUG(bitmapPos >= (TUint8*)_this->screen->pixels, User::Panic(_L("SDL"), KErrCorrupt)); 992 *screenMemoryLinePos++ = EPOC_HWPalette_256_to_Screen[*bitmapPos++]; 993 // bitmapPos+=skipValue; //TODO: optimize: separate loops for 1, 2 and n skip 994 } 995 bitmapLine += sourceScanlineLength; 996 screenMemory += targetScanlineLength; 997 } 998 } 999 } 1000 } // switch 1001 } // for 1002 } 1003 1004 /* 1005 void DirectDraw(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer) 1006 { 1007 TInt i; 1008 const TInt sourceNumBytesPerPixel = ((_this->screen->format->BitsPerPixel-1)>>3) + 1; 1009 const TPoint fixedOffset = Private->EPOC_ScreenOffset; 1010 const TInt screenW = _this->screen->w; 1011 const TInt screenH = _this->screen->h; 1012 const TInt sourceScanlineLength = screenW; 1013 const TInt targetScanlineLength = Private->EPOC_ScreenSize.iWidth; 1014 1015 /* Render the rectangles in the list */ 1016 1017 /* for ( i=0; i < numrects; ++i ) { 1018 const SDL_Rect& currentRect = rects[i]; 1019 SDL_Rect rect2; 1020 rect2.x = currentRect.x; 1021 rect2.y = currentRect.y; 1022 rect2.w = currentRect.w; 1023 rect2.h = currentRect.h; 1024 1025 if (rect2.w <= 0 || rect2.h <= 0) /* sanity check */ 1026 /* continue; 1027 1028 /* All variables are measured in pixels */ 1029 1030 /* Check rects validity, i.e. upper and lower bounds */ 1031 /* TInt maxX = Min(screenW - 1, rect2.x + rect2.w - 1); 1032 TInt maxY = Min(screenH - 1, rect2.y + rect2.h - 1); 1033 if (maxX < 0 || maxY < 0) /* sanity check */ 1034 /* continue; 1035 /* Clip from bottom */ 1036 /* maxY = Min(maxY, Private->EPOC_ScreenSize.iHeight-1); 1037 /* TODO: Clip from the right side */ 1038 1039 /* TInt sourceRectWidth = maxX - rect2.x + 1; 1040 const TInt sourceRectWidthInBytes = sourceRectWidth * sourceNumBytesPerPixel; 1041 const TInt sourceRectHeight = maxY - rect2.y + 1; 1042 const TInt sourceStartOffset = rect2.x + rect2.y * sourceScanlineLength; 1043 const TUint skipValue = Private->EPOC_ScreenXScaleValue; //1; // no skip 1044 1045 const TInt targetStartOffset = // = (fixedOffset.iX + (rect2.x / skipValue) + (fixedOffset.iY + rect2.y) * targetScanlineLength ) ; 1046 (skipValue > 1 ? 1047 (fixedOffset.iX + (rect2.x / skipValue) + (fixedOffset.iY + rect2.y) * targetScanlineLength ) : 1048 (fixedOffset.iX + rect2.x + (fixedOffset.iY + rect2.y) * targetScanlineLength )); 1049 1050 __ASSERT_DEBUG(skipValue >= 1, User::Panic(KLibName, KErrArgument)); 1051 1052 // Nokia7650 native mode: 12 bpp --> 12 bpp 1053 // 1054 switch (_this->screen->format->BitsPerPixel) 1055 { 1056 case 12: 1057 { 1058 TUint16* bitmapLine = (TUint16*)_this->screen->pixels + sourceStartOffset; 1059 TUint16* screenMemory = screenBuffer + targetStartOffset; 1060 if (skipValue == 1) 1061 { 1062 for(TInt y = 0 ; y < sourceRectHeight ; y++) 1063 { 1064 Mem::Copy(screenMemory, bitmapLine, sourceRectWidthInBytes); 1065 } 1066 bitmapLine += sourceScanlineLength; 1067 screenMemory += targetScanlineLength; 1068 } 1069 else 1070 { 1071 for(TInt y = 0 ; y < sourceRectHeight ; y++) 1072 { 1073 //TODO: optimize: separate loops for 1, 2 and n skip. Mem::Copy() can be used in unscaled case. 1074 TUint16* bitmapPos = bitmapLine; /* 2 bytes per pixel */ 1075 /* TUint16* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */ 1076 /* for(TInt x = 0 ; x < sourceRectWidth ; x++) 1077 { 1078 __ASSERT_DEBUG(screenMemory < (screenBuffer + Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight), User::Panic(KLibName, KErrCorrupt)); 1079 __ASSERT_DEBUG(screenMemory >= screenBuffer, User::Panic(KLibName, KErrCorrupt)); 1080 __ASSERT_DEBUG(bitmapLine < ((TUint16*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(KLibName, KErrCorrupt)); 1081 __ASSERT_DEBUG(bitmapLine >= (TUint16*)_this->screen->pixels, User::Panic(KLibName, KErrCorrupt)); 1082 1083 *screenMemoryLinePos++ = *bitmapPos; 1084 bitmapPos+=skipValue; 1085 } 1086 bitmapLine += sourceScanlineLength; 1087 screenMemory += targetScanlineLength; 1088 } 1089 } 1090 } 1091 break; 1092 // 256 color paletted mode: 8 bpp --> 12 bpp 1093 // 1094 default: 1095 { 1096 TUint8* bitmapLine = (TUint8*)_this->screen->pixels + sourceStartOffset; 1097 TUint16* screenMemory = screenBuffer + targetStartOffset; 1098 if (skipValue > 1) 1099 sourceRectWidth /= skipValue; 1100 #if defined __MARM_ARMI__ 1101 __asm volatile(" 1102 mov %4, %4, lsl #1 @ targetScanLineLength is in pixels, we need it in bytes 1103 1: 1104 mov r6, %0 @ bitmapLine 1105 mov r7, %2 @ screenMemory 1106 mov r8, %6 @ sourceRectWidth 1107 2: 1108 ldrb r4, [%0], %7 @ r4 = *bitmapPos; bitmapPos += skipValue 1109 ldr r5, [%1, r4, lsl #2] @ only 16 lower bits actually used 1110 subs r8, r8, #1 @ x-- 1111 strh r5, [%2], #2 @ *screenMemoryLinePos++ = r4 1112 bne 2b 1113 1114 add %0, r6, %3 @ bitmapLine += sourceScanlineLength 1115 add %2, r7, %4 @ screenMemory += targetScanlineLength 1116 subs %5, %5, #1 @ sourceRectHeight-- 1117 bne 1b 1118 " 1119 : // no output 1120 // %0 %1 %2 %3 %4 %5 %6 %7 1121 : "r" (bitmapLine), "r" (&EPOC_HWPalette_256_to_Screen[0]), "r" (screenMemory), "r" (sourceScanlineLength), "r" (targetScanlineLength), "r" (sourceRectHeight), "r" (sourceRectWidth), "r" (skipValue) 1122 : "r4", "r5", "r6", "r7", "r8" 1123 ); 1124 #else 1125 for(TInt y = 0 ; y < sourceRectHeight ; y++) 1126 { 1127 TUint8* bitmapPos = bitmapLine; /* 1 byte per pixel */ 1128 /* TUint16* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */ 1129 /* Convert each pixel from 256 palette to 4k color values */ 1130 /* for (TInt x = 0 ; x < sourceRectWidth ; x++) 1131 { 1132 //__ASSERT_DEBUG(screenMemoryLinePos < (screenBuffer + (Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight)), User::Panic(KLibName, KErrCorrupt)); 1133 //__ASSERT_DEBUG(screenMemoryLinePos >= screenBuffer, User::Panic(KLibName, KErrCorrupt)); 1134 //__ASSERT_DEBUG(bitmapPos < ((TUint8*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(KLibName, KErrCorrupt)); 1135 //__ASSERT_DEBUG(bitmapPos >= (TUint8*)_this->screen->pixels, User::Panic(KLibName, KErrCorrupt)); 1136 1137 *screenMemoryLinePos++ = EPOC_HWPalette_256_to_Screen[*bitmapPos]; 1138 bitmapPos += skipValue; 1139 } 1140 bitmapLine += sourceScanlineLength; 1141 screenMemory += targetScanlineLength; 1142 } 1143 //#endif 1144 } 1145 } // switch 1146 } // for 1147 } 1148 */ 1149 1150 void DirectDrawRotated(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer) 1151 { 1152 TInt i; 1153 // TInt sourceNumBytesPerPixel = ((_this->screen->format->BitsPerPixel-1)>>3) + 1; 1154 TPoint fixedScreenOffset = Private->EPOC_ScreenOffset; 1155 TInt bufferW = _this->screen->w; 1156 TInt bufferH = _this->screen->h; 1157 TInt ScreenW = Private->EPOC_ScreenSize.iWidth; 1158 // TInt ScreenH = Private->EPOC_ScreenSize.iWidth; 1159 TInt sourceW = bufferW; 1160 TInt sourceH = bufferH; 1161 TInt targetW = ScreenW - fixedScreenOffset.iX * 2; 1162 // TInt targetH = ScreenH - fixedScreenOffset.iY * 2; 1163 TInt sourceScanlineLength = bufferW; 1164 TInt targetScanlineLength = Private->EPOC_ScreenSize.iWidth; 1165 1166 /* Render the rectangles in the list */ 1167 1168 for ( i=0; i < numrects; ++i ) { 1169 SDL_Rect rect2; 1170 const SDL_Rect& currentRect = rects[i]; 1171 rect2.x = currentRect.x; 1172 rect2.y = currentRect.y; 1173 rect2.w = currentRect.w; 1174 rect2.h = currentRect.h; 1175 1176 if (rect2.w <= 0 || rect2.h <= 0) /* sanity check */ 1177 continue; 1178 1179 /* All variables are measured in pixels */ 1180 1181 /* Check rects validity, i.e. upper and lower bounds */ 1182 TInt maxX = Min(sourceW - 1, rect2.x + rect2.w - 1); 1183 TInt maxY = Min(sourceH - 1, rect2.y + rect2.h - 1); 1184 if (maxX < 0 || maxY < 0) /* sanity check */ 1185 continue; 1186 /* Clip from bottom */ 1187 //maxX = Min(maxX, Private->EPOC_ScreenSize.iHeight-1); 1188 /* TODO: Clip from the right side */ 1189 1190 TInt sourceRectWidth = maxX - rect2.x + 1; 1191 // TInt sourceRectWidthInBytes = sourceRectWidth * sourceNumBytesPerPixel; 1192 TInt sourceRectHeight = maxY - rect2.y + 1; 1193 TInt sourceStartOffset = rect2.x + rect2.y * sourceScanlineLength; 1194 TInt targetStartOffset = fixedScreenOffset.iX + (targetW-1 - rect2.y) + (fixedScreenOffset.iY +rect2.x) * targetScanlineLength; 1195 1196 // Nokia7650 native mode: 12 bpp --> 12 bpp 1197 if (_this->screen->format->BitsPerPixel == 12) { 1198 1199 /* !!TODO: not yet implemented 1200 1201 TUint16* bitmapLine = (TUint16*)_this->screen->pixels + sourceStartOffset; 1202 TUint16* screenMemory = screenBuffer + targetStartOffset; 1203 for(TInt y = 0 ; y < sourceRectHeight ; y++) { 1204 //TODO: optimize: separate loops for 1, 2 and n skip 1205 //Mem::Copy(screenMemory, bitmapLine, sourceRectWidthInBytes); 1206 TUint16* bitmapPos = bitmapLine; // 2 bytes per pixel 1207 TUint16* screenMemoryLinePos = screenMemory; // 2 bytes per pixel 1208 for(TInt x = 0 ; x < sourceRectWidth ; x++) { 1209 1210 __ASSERT_DEBUG(screenMemory < (screenBuffer + Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight), User::Panic(KLibName, KErrCorrupt)); 1211 __ASSERT_DEBUG(screenMemory >= screenBuffer, User::Panic(KLibName, KErrCorrupt)); 1212 __ASSERT_DEBUG(bitmapLine < ((TUint16*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(KLibName, KErrCorrupt)); 1213 __ASSERT_DEBUG(bitmapLine >= (TUint16*)_this->screen->pixels, User::Panic(KLibName, KErrCorrupt)); 1214 1215 *screenMemoryLinePos = *bitmapPos; 1216 bitmapPos++; 1217 screenMemoryLinePos += targetScanlineLength; 1218 } 1219 bitmapLine += sourceScanlineLength; 1220 screenMemory--; 1221 } 1222 1223 */ 1224 } 1225 // 256 color paletted mode: 8 bpp --> 12 bpp 1226 else { 1227 TUint8* bitmapLine = (TUint8*)_this->screen->pixels + sourceStartOffset; 1228 TUint16* screenMemory = screenBuffer + targetStartOffset; 1229 TInt screenXScaleValue = Private->EPOC_ScreenXScaleValue; 1230 TInt debug_ycount=0; 1231 for(TInt y = 0 ; y < sourceRectHeight ; y++) { 1232 if(--screenXScaleValue) { 1233 TUint8* bitmapPos = bitmapLine; /* 1 byte per pixel */ 1234 TUint16* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */ 1235 TInt screenYScaleValue = Private->EPOC_ScreenYScaleValue; 1236 TInt debug_xcount=0; 1237 /* Convert each pixel from 256 palette to 4k color values */ 1238 for(TInt x = 0 ; x < sourceRectWidth ; x++) { 1239 if(--screenYScaleValue) { 1240 1241 __ASSERT_DEBUG(screenMemoryLinePos < (screenBuffer + (Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight)), User::Panic(KLibName, KErrCorrupt)); 1242 __ASSERT_DEBUG(screenMemoryLinePos >= screenBuffer, User::Panic(KLibName, KErrCorrupt)); 1243 __ASSERT_DEBUG(bitmapPos < ((TUint8*)_this->screen->pixels + (_this->screen->w * _this->screen->h)), User::Panic(KLibName, KErrCorrupt)); 1244 __ASSERT_DEBUG(bitmapPos >= (TUint8*)_this->screen->pixels, User::Panic(KLibName, KErrCorrupt)); 1245 1246 *screenMemoryLinePos = TUint16(EPOC_HWPalette_256_to_Screen[*bitmapPos]); 1247 screenMemoryLinePos += targetScanlineLength; debug_xcount++; 1248 } 1249 else 1250 screenYScaleValue = Private->EPOC_ScreenYScaleValue; 1251 bitmapPos++; 1252 } 1253 screenMemory--; debug_ycount++; 1254 } // endif 1255 else 1256 screenXScaleValue = Private->EPOC_ScreenXScaleValue; 1257 bitmapLine += sourceScanlineLength; 1258 } 1259 } 1260 } 1261 } 1262 1263 1264 /* Note: If we are terminated, this could be called in the middle of 1265 another SDL video routine -- notably UpdateRects. 1266 */ 1267 void EPOC_VideoQuit(_THIS) 1268 { 1269 int i; 1270 1271 /* Free video mode lists */ 1272 for ( i=0; i<SDL_NUMMODES; ++i ) { 1273 if ( Private->SDL_modelist[i] != NULL ) { 1274 free(Private->SDL_modelist[i]); 1275 Private->SDL_modelist[i] = NULL; 1276 } 1277 } 1278 1279 if ( _this->screen && (_this->screen->flags & SDL_HWSURFACE) ) { 1280 /* Direct screen access, no memory buffer */ 1281 _this->screen->pixels = NULL; 1282 } 1283 1284 if (_this->screen && _this->screen->pixels) { 1285 free(_this->screen->pixels); 1286 _this->screen->pixels = NULL; 1287 } 1288 1289 /* Free Epoc resources */ 1290 1291 /* Disable events for me */ 1292 if (Private->EPOC_WsEventStatus != KRequestPending) 1293 Private->EPOC_WsSession.EventReadyCancel(); 1294 if (Private->EPOC_RedrawEventStatus != KRequestPending) 1295 Private->EPOC_WsSession.RedrawReadyCancel(); 1296 1297 #if defined(__WINS__) || defined(TEST_BM_DRAW) 1298 delete Private->EPOC_Bitmap; 1299 Private->EPOC_Bitmap = NULL; 1300 #else 1301 #endif 1302 1303 #ifndef SYMBIAN_CRYSTAL 1304 free(Private->EPOC_DrawDevice); 1305 #endif 1306 1307 if (Private->EPOC_WsWindow.WsHandle()) 1308 Private->EPOC_WsWindow.Close(); 1309 1310 if (Private->EPOC_WsWindowGroup.WsHandle()) 1311 Private->EPOC_WsWindowGroup.Close(); 1312 1313 delete Private->EPOC_WindowGc; 1314 Private->EPOC_WindowGc = NULL; 1315 1316 delete Private->EPOC_WsScreen; 1317 Private->EPOC_WsScreen = NULL; 1318 1319 if (Private->EPOC_WsSession.WsHandle()) 1320 Private->EPOC_WsSession.Close(); 1321 } 1322 1323 1324 WMcursor *EPOC_CreateWMCursor(_THIS, Uint8* /*data*/, Uint8* /*mask*/, int /*w*/, int /*h*/, int /*hot_x*/, int /*hot_y*/) 1325 { 1326 return (WMcursor *) 9210; // it's ok to return something unuseful but true 1327 } 1328 1329 void EPOC_FreeWMCursor(_THIS, WMcursor* /*cursor*/) 1330 { 1331 /* Disable virtual cursor */ 1332 HAL::Set(HAL::EMouseState, HAL::EMouseState_Invisible); 1333 Private->EPOC_WsSession.SetPointerCursorMode(EPointerCursorNone); 1334 } 1335 1336 int EPOC_ShowWMCursor(_THIS, WMcursor *cursor) 1337 { 1338 1339 if (cursor == (WMcursor *)9210) { 1340 /* Enable virtual cursor */ 1341 Private->EPOC_WsSession.SetPointerCursorMode(EPointerCursorNormal); 1342 if (isCursorVisible) 1343 HAL::Set(HAL::EMouseState, HAL::EMouseState_Visible); 1344 else 1345 Private->EPOC_WsSession.SetPointerCursorMode(EPointerCursorNone); 1346 } 1347 else { 1348 /* Disable virtual cursor */ 1349 HAL::Set(HAL::EMouseState, HAL::EMouseState_Invisible); 1350 Private->EPOC_WsSession.SetPointerCursorMode(EPointerCursorNone); 1351 } 1352 1353 return(1); 1354 } 1355 1356 }; // extern "C" 1357
