The Android Open Source Project | 6370eab | 2009-12-15 16:36:26 -0800 | [diff] [blame] | 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | /* |
| 25 | SDL_epocvideo.cpp |
| 26 | Epoc based SDL video driver implementation |
| 27 | |
| 28 | Epoc version by Hannu Viitala (hannu.j.viitala@mbnet.fi) |
| 29 | */ |
| 30 | |
| 31 | extern "C" { |
| 32 | #include "SDL_timer.h" |
| 33 | #include "SDL_video.h" |
| 34 | #undef NULL |
| 35 | #include "../SDL_pixels_c.h" |
| 36 | }; |
| 37 | |
| 38 | #include "SDL_epocvideo.h" |
| 39 | #include "SDL_epocevents_c.h" |
| 40 | |
| 41 | #include <hal.h> |
| 42 | #include <coedef.h> |
| 43 | |
| 44 | /* For debugging */ |
| 45 | |
| 46 | void RDebug_Print_b(char* error_str, void* param) |
| 47 | { |
| 48 | TBuf8<128> error8((TUint8*)error_str); |
| 49 | TBuf<128> error; |
| 50 | error.Copy(error8); |
| 51 | if (param) //!! Do not work if the parameter is really 0!! |
| 52 | RDebug::Print(error, param); |
| 53 | else |
| 54 | RDebug::Print(error); |
| 55 | } |
| 56 | |
| 57 | extern "C" void RDebug_Print(char* error_str, void* param) |
| 58 | { |
| 59 | RDebug_Print_b(error_str, param); |
| 60 | } |
| 61 | |
| 62 | |
| 63 | int Debug_AvailMem2() |
| 64 | { |
| 65 | //User::CompressAllHeaps(); |
| 66 | TMemoryInfoV1Buf membuf; |
| 67 | User::LeaveIfError(UserHal::MemoryInfo(membuf)); |
| 68 | TMemoryInfoV1 minfo = membuf(); |
| 69 | return(minfo.iFreeRamInBytes); |
| 70 | } |
| 71 | |
| 72 | extern "C" int Debug_AvailMem() |
| 73 | { |
| 74 | return(Debug_AvailMem2()); |
| 75 | } |
| 76 | |
| 77 | |
| 78 | extern "C" { |
| 79 | |
| 80 | /* Initialization/Query functions */ |
| 81 | |
| 82 | static int EPOC_VideoInit(_THIS, SDL_PixelFormat *vformat); |
| 83 | static SDL_Rect **EPOC_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); |
| 84 | static SDL_Surface *EPOC_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
| 85 | static int EPOC_SetColors(_THIS, int firstcolor, int ncolors, |
| 86 | SDL_Color *colors); |
| 87 | static void EPOC_VideoQuit(_THIS); |
| 88 | |
| 89 | /* Hardware surface functions */ |
| 90 | |
| 91 | static int EPOC_AllocHWSurface(_THIS, SDL_Surface *surface); |
| 92 | static int EPOC_LockHWSurface(_THIS, SDL_Surface *surface); |
| 93 | static int EPOC_FlipHWSurface(_THIS, SDL_Surface *surface); |
| 94 | static void EPOC_UnlockHWSurface(_THIS, SDL_Surface *surface); |
| 95 | static void EPOC_FreeHWSurface(_THIS, SDL_Surface *surface); |
| 96 | static void EPOC_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); |
| 97 | |
| 98 | static int EPOC_Available(void); |
| 99 | static SDL_VideoDevice *EPOC_CreateDevice(int devindex); |
| 100 | |
| 101 | /* Mouse functions */ |
| 102 | |
| 103 | static WMcursor *EPOC_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y); |
| 104 | static void EPOC_FreeWMCursor(_THIS, WMcursor *cursor); |
| 105 | static int EPOC_ShowWMCursor(_THIS, WMcursor *cursor); |
| 106 | |
| 107 | |
| 108 | |
| 109 | /* !! Table for fast conversion from 8 bit to 12 bit */ |
| 110 | static TUint16 EPOC_HWPalette_256_to_4k[256]; |
| 111 | |
| 112 | VideoBootStrap EPOC_bootstrap = { |
| 113 | "epoc", "EPOC system", |
| 114 | EPOC_Available, EPOC_CreateDevice |
| 115 | }; |
| 116 | |
| 117 | const TUint32 WindowClientHandle = 9210; //!! |
| 118 | |
| 119 | /* Epoc video driver bootstrap functions */ |
| 120 | |
| 121 | static int EPOC_Available(void) |
| 122 | { |
| 123 | return 1; /* Always available */ |
| 124 | } |
| 125 | |
| 126 | static void EPOC_DeleteDevice(SDL_VideoDevice *device) |
| 127 | { |
| 128 | SDL_free(device->hidden); |
| 129 | SDL_free(device); |
| 130 | } |
| 131 | |
| 132 | static SDL_VideoDevice *EPOC_CreateDevice(int devindex) |
| 133 | { |
| 134 | SDL_VideoDevice *device; |
| 135 | |
| 136 | /* Allocate all variables that we free on delete */ |
| 137 | device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| 138 | if ( device ) { |
| 139 | SDL_memset(device, 0, (sizeof *device)); |
| 140 | device->hidden = (struct SDL_PrivateVideoData *) |
| 141 | SDL_malloc((sizeof *device->hidden)); |
| 142 | } |
| 143 | if ( (device == NULL) || (device->hidden == NULL) ) { |
| 144 | SDL_OutOfMemory(); |
| 145 | if ( device ) { |
| 146 | SDL_free(device); |
| 147 | } |
| 148 | return(0); |
| 149 | } |
| 150 | SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
| 151 | |
| 152 | /* Set the function pointers */ |
| 153 | device->VideoInit = EPOC_VideoInit; |
| 154 | device->ListModes = EPOC_ListModes; |
| 155 | device->SetVideoMode = EPOC_SetVideoMode; |
| 156 | device->SetColors = EPOC_SetColors; |
| 157 | device->UpdateRects = NULL; |
| 158 | device->VideoQuit = EPOC_VideoQuit; |
| 159 | device->AllocHWSurface = EPOC_AllocHWSurface; |
| 160 | device->CheckHWBlit = NULL; |
| 161 | device->FillHWRect = NULL; |
| 162 | device->SetHWColorKey = NULL; |
| 163 | device->SetHWAlpha = NULL; |
| 164 | device->LockHWSurface = EPOC_LockHWSurface; |
| 165 | device->UnlockHWSurface = EPOC_UnlockHWSurface; |
| 166 | device->FlipHWSurface = EPOC_FlipHWSurface; |
| 167 | device->FreeHWSurface = EPOC_FreeHWSurface; |
| 168 | device->SetIcon = NULL; |
| 169 | device->SetCaption = NULL; |
| 170 | device->GetWMInfo = NULL; |
| 171 | device->FreeWMCursor = EPOC_FreeWMCursor; |
| 172 | device->CreateWMCursor = EPOC_CreateWMCursor; |
| 173 | device->ShowWMCursor = EPOC_ShowWMCursor; |
| 174 | device->WarpWMCursor = NULL; |
| 175 | device->InitOSKeymap = EPOC_InitOSKeymap; |
| 176 | device->PumpEvents = EPOC_PumpEvents; |
| 177 | device->free = EPOC_DeleteDevice; |
| 178 | |
| 179 | return device; |
| 180 | } |
| 181 | |
| 182 | |
| 183 | int GetBpp(TDisplayMode displaymode) |
| 184 | { |
| 185 | TInt numColors = TDisplayModeUtils::NumDisplayModeColors(displaymode); |
| 186 | TInt bitsPerPixel = 1; |
| 187 | for (TInt32 i = 2; i < numColors; i <<= 1, bitsPerPixel++); |
| 188 | return bitsPerPixel; |
| 189 | } |
| 190 | |
| 191 | void ConstructWindowL(_THIS) |
| 192 | { |
| 193 | TInt error; |
| 194 | |
| 195 | error = Private->EPOC_WsSession.Connect(); |
| 196 | User::LeaveIfError(error); |
| 197 | Private->EPOC_WsScreen=new(ELeave) CWsScreenDevice(Private->EPOC_WsSession); |
| 198 | User::LeaveIfError(Private->EPOC_WsScreen->Construct()); |
| 199 | User::LeaveIfError(Private->EPOC_WsScreen->CreateContext(Private->EPOC_WindowGc)); |
| 200 | |
| 201 | Private->EPOC_WsWindowGroup=RWindowGroup(Private->EPOC_WsSession); |
| 202 | User::LeaveIfError(Private->EPOC_WsWindowGroup.Construct(WindowClientHandle)); |
| 203 | Private->EPOC_WsWindowGroup.SetOrdinalPosition(0); |
| 204 | |
| 205 | //!! |
| 206 | TBuf<32> winGroupName; |
| 207 | winGroupName.Append(0); |
| 208 | winGroupName.Append(0); |
| 209 | winGroupName.Append(0);// uid |
| 210 | winGroupName.Append(0); |
| 211 | winGroupName.Append(_L("SDL")); // caption |
| 212 | winGroupName.Append(0); |
| 213 | winGroupName.Append(0); //doc name |
| 214 | Private->EPOC_WsWindowGroup.SetName(winGroupName); //!! |
| 215 | |
| 216 | Private->EPOC_WsWindow=RWindow(Private->EPOC_WsSession); |
| 217 | User::LeaveIfError(Private->EPOC_WsWindow.Construct(Private->EPOC_WsWindowGroup,WindowClientHandle)); |
| 218 | Private->EPOC_WsWindow.SetBackgroundColor(KRgbWhite); |
| 219 | Private->EPOC_WsWindow.Activate(); |
| 220 | Private->EPOC_WsWindow.SetSize(Private->EPOC_WsScreen->SizeInPixels()); |
| 221 | Private->EPOC_WsWindow.SetVisible(ETrue); |
| 222 | |
| 223 | Private->EPOC_WsWindowGroupID = Private->EPOC_WsWindowGroup.Identifier(); |
| 224 | Private->EPOC_IsWindowFocused = EFalse; |
| 225 | } |
| 226 | |
| 227 | |
| 228 | int EPOC_VideoInit(_THIS, SDL_PixelFormat *vformat) |
| 229 | { |
| 230 | // !!TODO:handle leave functions! |
| 231 | |
| 232 | int i; |
| 233 | |
| 234 | /* Initialize all variables that we clean on shutdown */ |
| 235 | |
| 236 | for ( i=0; i<SDL_NUMMODES; ++i ) { |
| 237 | Private->SDL_modelist[i] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect)); |
| 238 | Private->SDL_modelist[i]->x = Private->SDL_modelist[i]->y = 0; |
| 239 | } |
| 240 | /* Modes sorted largest to smallest !!TODO:sorting order??*/ |
| 241 | Private->SDL_modelist[0]->w = 640; Private->SDL_modelist[0]->h = 200; |
| 242 | Private->SDL_modelist[1]->w = 320; Private->SDL_modelist[1]->h = 200; |
| 243 | Private->SDL_modelist[2]->w = 640; Private->SDL_modelist[2]->h = 400; |
| 244 | Private->SDL_modelist[3]->w = 640; Private->SDL_modelist[3]->h = 480; |
| 245 | Private->SDL_modelist[4] = NULL; |
| 246 | |
| 247 | /* Construct Epoc window */ |
| 248 | |
| 249 | ConstructWindowL(_this); |
| 250 | |
| 251 | /* Initialise Epoc frame buffer */ |
| 252 | |
| 253 | TDisplayMode displayMode = Private->EPOC_WsScreen->DisplayMode(); |
| 254 | |
| 255 | #ifndef __WINS__ |
| 256 | |
| 257 | TScreenInfoV01 screenInfo; |
| 258 | TPckg<TScreenInfoV01> sInfo(screenInfo); |
| 259 | UserSvr::ScreenInfo(sInfo); |
| 260 | |
| 261 | Private->EPOC_ScreenSize = screenInfo.iScreenSize; |
| 262 | Private->EPOC_DisplayMode = displayMode; |
| 263 | Private->EPOC_HasFrameBuffer = screenInfo.iScreenAddressValid; |
| 264 | Private->EPOC_FrameBuffer = Private->EPOC_HasFrameBuffer ? (TUint8*) screenInfo.iScreenAddress : NULL; |
| 265 | Private->EPOC_BytesPerPixel = ((GetBpp(displayMode)-1) / 8) + 1; |
| 266 | Private->EPOC_BytesPerScanLine = screenInfo.iScreenSize.iWidth * Private->EPOC_BytesPerPixel; |
| 267 | |
| 268 | /* It seems that in SA1100 machines for 8bpp displays there is a 512 palette table at the |
| 269 | * beginning of the frame buffer. E.g. Series 7 and Netbook. |
| 270 | * In 12 bpp machines the table has 16 entries. |
| 271 | */ |
| 272 | if (Private->EPOC_HasFrameBuffer && GetBpp(displayMode) == 8) |
| 273 | Private->EPOC_FrameBuffer += 512; |
| 274 | if (Private->EPOC_HasFrameBuffer && GetBpp(displayMode) == 12) |
| 275 | Private->EPOC_FrameBuffer += 16 * 2; |
| 276 | |
| 277 | #else /* defined __WINS__ */ |
| 278 | |
| 279 | /* Create bitmap, device and context for screen drawing */ |
| 280 | Private->EPOC_ScreenSize = Private->EPOC_WsScreen->SizeInPixels(); |
| 281 | |
| 282 | Private->EPOC_Bitmap = new (ELeave) CWsBitmap(Private->EPOC_WsSession); |
| 283 | Private->EPOC_Bitmap->Create(Private->EPOC_ScreenSize, displayMode); |
| 284 | |
| 285 | Private->EPOC_DisplayMode = displayMode; |
| 286 | Private->EPOC_HasFrameBuffer = ETrue; |
| 287 | Private->EPOC_FrameBuffer = NULL; /* Private->EPOC_Bitmap->DataAddress() can change any time */ |
| 288 | Private->EPOC_BytesPerPixel = ((GetBpp(displayMode)-1) / 8) + 1; |
| 289 | Private->EPOC_BytesPerScanLine = Private->EPOC_WsScreen->SizeInPixels().iWidth * Private->EPOC_BytesPerPixel; |
| 290 | |
| 291 | #endif /* __WINS__ */ |
| 292 | |
| 293 | _this->info.current_w = Private->EPOC_ScreenSize.iWidth; |
| 294 | _this->info.current_h = Private->EPOC_ScreenSize.iHeight; |
| 295 | |
| 296 | /* The "best" video format should be returned to caller. */ |
| 297 | |
| 298 | vformat->BitsPerPixel = /*!!GetBpp(displayMode) */ 8; |
| 299 | vformat->BytesPerPixel = /*!!Private->EPOC_BytesPerPixel*/ 1; |
| 300 | |
| 301 | /* Activate events for me */ |
| 302 | |
| 303 | Private->EPOC_WsEventStatus = KRequestPending; |
| 304 | Private->EPOC_WsSession.EventReady(&Private->EPOC_WsEventStatus); |
| 305 | Private->EPOC_RedrawEventStatus = KRequestPending; |
| 306 | Private->EPOC_WsSession.RedrawReady(&Private->EPOC_RedrawEventStatus); |
| 307 | Private->EPOC_WsWindow.PointerFilter(EPointerFilterDrag, 0); |
| 308 | |
| 309 | Private->EPOC_ScreenOffset = 0; |
| 310 | |
| 311 | //!! TODO: error handling |
| 312 | //if (ret != KErrNone) |
| 313 | // return(-1); |
| 314 | //else |
| 315 | return(0); |
| 316 | } |
| 317 | |
| 318 | |
| 319 | SDL_Rect **EPOC_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| 320 | { |
| 321 | if (format->BitsPerPixel == 12 || format->BitsPerPixel == 8) |
| 322 | return Private->SDL_modelist; |
| 323 | return NULL; |
| 324 | } |
| 325 | |
| 326 | int EPOC_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| 327 | { |
| 328 | for(int i = firstcolor; i < ncolors; i++) { |
| 329 | // 4k value: 000rgb |
| 330 | TUint16 color4K = 0; |
| 331 | color4K |= (colors[i].r & 0x0000f0) << 4; |
| 332 | color4K |= (colors[i].g & 0x0000f0); |
| 333 | color4K |= (colors[i].b & 0x0000f0) >> 4; |
| 334 | EPOC_HWPalette_256_to_4k[i] = color4K; |
| 335 | } |
| 336 | return(0); |
| 337 | } |
| 338 | |
| 339 | |
| 340 | SDL_Surface *EPOC_SetVideoMode(_THIS, SDL_Surface *current, |
| 341 | int width, int height, int bpp, Uint32 flags) |
| 342 | { |
| 343 | /* Check parameters */ |
| 344 | if (!((width == 640 && height == 200 && bpp == 12) || |
| 345 | (width == 640 && height == 400 && bpp == 12) || |
| 346 | (width == 640 && height == 480 && bpp == 12) || |
| 347 | (width == 320 && height == 200 && bpp == 12) || |
| 348 | (width == 640 && height == 200 && bpp == 8) || |
| 349 | (width == 640 && height == 400 && bpp == 8) || |
| 350 | (width == 640 && height == 480 && bpp == 8) || |
| 351 | (width == 320 && height == 200 && bpp == 8))) { |
| 352 | SDL_SetError("Requested video mode is not supported"); |
| 353 | return NULL; |
| 354 | } |
| 355 | |
| 356 | if (current && current->pixels) { |
| 357 | SDL_free(current->pixels); |
| 358 | current->pixels = NULL; |
| 359 | } |
| 360 | if ( ! SDL_ReallocFormat(current, bpp, 0, 0, 0, 0) ) { |
| 361 | return(NULL); |
| 362 | } |
| 363 | |
| 364 | /* Set up the new mode framebuffer */ |
| 365 | if (bpp == 8) |
| 366 | current->flags = (SDL_FULLSCREEN|SDL_SWSURFACE|SDL_PREALLOC|SDL_HWPALETTE); |
| 367 | else // 12 bpp |
| 368 | current->flags = (SDL_FULLSCREEN|SDL_SWSURFACE|SDL_PREALLOC); |
| 369 | current->w = width; |
| 370 | current->h = height; |
| 371 | int numBytesPerPixel = ((bpp-1)>>3) + 1; |
| 372 | current->pitch = numBytesPerPixel * width; // Number of bytes in scanline |
| 373 | current->pixels = SDL_malloc(width * height * numBytesPerPixel); |
| 374 | SDL_memset(current->pixels, 0, width * height * numBytesPerPixel); |
| 375 | |
| 376 | /* Set the blit function */ |
| 377 | _this->UpdateRects = EPOC_DirectUpdate; |
| 378 | |
| 379 | /* Must buffer height be shrinked to screen by 2 ? */ |
| 380 | if (current->h >= 400) |
| 381 | Private->EPOC_ShrinkedHeight = ETrue; |
| 382 | |
| 383 | /* Centralize game window on device screen */ |
| 384 | Private->EPOC_ScreenOffset = (Private->EPOC_ScreenSize.iWidth - current->w) / 2; |
| 385 | |
| 386 | /* We're done */ |
| 387 | return(current); |
| 388 | } |
| 389 | |
| 390 | void RedrawWindowL(_THIS) |
| 391 | { |
| 392 | SDL_Rect fullScreen; |
| 393 | fullScreen.x = 0; |
| 394 | fullScreen.y = 0; |
| 395 | fullScreen.w = _this->screen->w; |
| 396 | fullScreen.h = _this->screen->h; |
| 397 | |
| 398 | #ifdef __WINS__ |
| 399 | TBitmapUtil lock(Private->EPOC_Bitmap); |
| 400 | lock.Begin(TPoint(0,0)); // Lock bitmap heap |
| 401 | Private->EPOC_WindowGc->Activate(Private->EPOC_WsWindow); |
| 402 | #endif |
| 403 | |
| 404 | if (fullScreen.w < Private->EPOC_ScreenSize.iWidth |
| 405 | && fullScreen.w < Private->EPOC_ScreenSize.iWidth) { |
| 406 | /* Draw blue stripes background */ |
| 407 | #ifdef __WINS__ |
| 408 | TUint16* screenBuffer = (TUint16*)Private->EPOC_Bitmap->DataAddress(); |
| 409 | #else |
| 410 | TUint16* screenBuffer = (TUint16*)Private->EPOC_FrameBuffer; |
| 411 | #endif |
| 412 | for (int y=0; y < Private->EPOC_ScreenSize.iHeight; y++) { |
| 413 | for (int x=0; x < Private->EPOC_ScreenSize.iWidth; x++) { |
| 414 | TUint16 color = ((x+y)>>1) & 0xf; /* Draw pattern */ |
| 415 | *screenBuffer++ = color; |
| 416 | } |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | |
| 421 | /* Tell the system that something has been drawn */ |
| 422 | TRect rect = TRect(Private->EPOC_WsWindow.Size()); |
| 423 | Private->EPOC_WsWindow.Invalidate(rect); |
| 424 | |
| 425 | #ifdef __WINS__ |
| 426 | Private->EPOC_WsWindow.BeginRedraw(rect); |
| 427 | Private->EPOC_WindowGc->BitBlt(TPoint(), Private->EPOC_Bitmap); |
| 428 | Private->EPOC_WsWindow.EndRedraw(); |
| 429 | Private->EPOC_WindowGc->Deactivate(); |
| 430 | lock.End(); // Unlock bitmap heap |
| 431 | Private->EPOC_WsSession.Flush(); |
| 432 | #endif |
| 433 | |
| 434 | /* Draw current buffer */ |
| 435 | EPOC_DirectUpdate(_this, 1, &fullScreen); |
| 436 | } |
| 437 | |
| 438 | |
| 439 | /* We don't actually allow hardware surfaces other than the main one */ |
| 440 | static int EPOC_AllocHWSurface(_THIS, SDL_Surface *surface) |
| 441 | { |
| 442 | return(-1); |
| 443 | } |
| 444 | static void EPOC_FreeHWSurface(_THIS, SDL_Surface *surface) |
| 445 | { |
| 446 | return; |
| 447 | } |
| 448 | |
| 449 | static int EPOC_LockHWSurface(_THIS, SDL_Surface *surface) |
| 450 | { |
| 451 | return(0); |
| 452 | } |
| 453 | static void EPOC_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| 454 | { |
| 455 | return; |
| 456 | } |
| 457 | |
| 458 | static int EPOC_FlipHWSurface(_THIS, SDL_Surface *surface) |
| 459 | { |
| 460 | return(0); |
| 461 | } |
| 462 | |
| 463 | static void EPOC_DirectUpdate(_THIS, int numrects, SDL_Rect *rects) |
| 464 | { |
| 465 | TInt focusWindowGroupId = Private->EPOC_WsSession.GetFocusWindowGroup(); |
| 466 | if (focusWindowGroupId != Private->EPOC_WsWindowGroupID) { |
| 467 | |
| 468 | /* Force focus window to redraw again for cleaning away SDL screen graphics */ |
| 469 | |
| 470 | |
| 471 | TInt pos = Private->EPOC_WsWindowGroup.OrdinalPosition(); |
| 472 | Private->EPOC_WsWindowGroup.SetOrdinalPosition(0, KMaxTInt); |
| 473 | TRect rect = TRect(Private->EPOC_WsWindow.Size()); |
| 474 | Private->EPOC_WsWindow.Invalidate(rect); |
| 475 | Private->EPOC_WsWindowGroup.SetOrdinalPosition(pos, ECoeWinPriorityNormal); |
| 476 | |
| 477 | /* If this is not the topmost window, wait here! Sleep for 1 second to give cpu to |
| 478 | multitasking and poll for being the topmost window. |
| 479 | */ |
| 480 | while (Private->EPOC_WsSession.GetFocusWindowGroup() != Private->EPOC_WsWindowGroupID) |
| 481 | SDL_Delay(1000); |
| 482 | |
| 483 | RedrawWindowL(_this); |
| 484 | } |
| 485 | |
| 486 | TInt i; |
| 487 | TInt sourceNumBytesPerPixel = ((_this->screen->format->BitsPerPixel-1)>>3) + 1; |
| 488 | TInt targetNumBytesPerPixel = Private->EPOC_BytesPerPixel; |
| 489 | TInt fixedOffset = Private->EPOC_ScreenOffset; |
| 490 | TInt screenW = _this->screen->w; |
| 491 | TInt screenH = _this->screen->h; |
| 492 | TInt sourceScanlineLength = screenW; |
| 493 | if (Private->EPOC_ShrinkedHeight) { /* simulate 400 pixel height in 200 pixel screen */ |
| 494 | sourceScanlineLength <<= 1; |
| 495 | screenH >>= 1; |
| 496 | } |
| 497 | TInt targetScanlineLength = Private->EPOC_ScreenSize.iWidth; |
| 498 | #ifdef __WINS__ |
| 499 | TBitmapUtil lock(Private->EPOC_Bitmap); |
| 500 | lock.Begin(TPoint(0,0)); // Lock bitmap heap |
| 501 | Private->EPOC_WindowGc->Activate(Private->EPOC_WsWindow); |
| 502 | TUint16* screenBuffer = (TUint16*)Private->EPOC_Bitmap->DataAddress(); |
| 503 | #else |
| 504 | TUint16* screenBuffer = (TUint16*)Private->EPOC_FrameBuffer; |
| 505 | #endif |
| 506 | |
| 507 | |
| 508 | /* Render the rectangles in the list */ |
| 509 | |
| 510 | for ( i=0; i < numrects; ++i ) { |
| 511 | SDL_Rect rect2; |
| 512 | const SDL_Rect& currentRect = rects[i]; |
| 513 | rect2.x = currentRect.x; |
| 514 | rect2.y = currentRect.y; |
| 515 | rect2.w = currentRect.w; |
| 516 | rect2.h = currentRect.h; |
| 517 | |
| 518 | if (rect2.w <= 0 || rect2.h <= 0) /* sanity check */ |
| 519 | continue; |
| 520 | |
| 521 | if (Private->EPOC_ShrinkedHeight) { /* simulate 400 pixel height in 200 pixel screen */ |
| 522 | rect2.y >>= 1; |
| 523 | if (!(rect2.h >>= 1)) |
| 524 | rect2.h = 1; // always at least 1 pixel height! |
| 525 | } |
| 526 | |
| 527 | /* All variables are measured in pixels */ |
| 528 | |
| 529 | /* Check rects validity, i.e. upper and lower bounds */ |
| 530 | TInt maxX = Min(screenW - 1, rect2.x + rect2.w - 1); |
| 531 | TInt maxY = Min(screenH - 1, rect2.y + rect2.h - 1); |
| 532 | if (maxX < 0 || maxY < 0) /* sanity check */ |
| 533 | continue; |
| 534 | maxY = Min(maxY, 199); |
| 535 | |
| 536 | TInt sourceRectWidth = maxX - rect2.x + 1; |
| 537 | TInt sourceRectWidthInBytes = sourceRectWidth * sourceNumBytesPerPixel; |
| 538 | TInt sourceRectHeight = maxY - rect2.y + 1; |
| 539 | TInt sourceStartOffset = rect2.x + rect2.y * sourceScanlineLength; |
| 540 | TInt targetStartOffset = fixedOffset + rect2.x + rect2.y * targetScanlineLength; |
| 541 | |
| 542 | // !! Nokia9210 native mode: 12 bpp --> 12 bpp |
| 543 | if (_this->screen->format->BitsPerPixel == 12) { |
| 544 | TUint16* bitmapLine = (TUint16*)_this->screen->pixels + sourceStartOffset; |
| 545 | TUint16* screenMemory = screenBuffer + targetStartOffset; |
| 546 | for(TInt y = 0 ; y < sourceRectHeight ; y++) { |
| 547 | __ASSERT_DEBUG(screenMemory < (screenBuffer |
| 548 | + Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight), |
| 549 | User::Panic(_L("SDL"), KErrCorrupt)); |
| 550 | __ASSERT_DEBUG(screenMemory >= screenBuffer, |
| 551 | User::Panic(_L("SDL"), KErrCorrupt)); |
| 552 | __ASSERT_DEBUG(bitmapLine < ((TUint16*)_this->screen->pixels + |
| 553 | + (_this->screen->w * _this->screen->h)), |
| 554 | User::Panic(_L("SDL"), KErrCorrupt)); |
| 555 | __ASSERT_DEBUG(bitmapLine >= (TUint16*)_this->screen->pixels, |
| 556 | User::Panic(_L("SDL"), KErrCorrupt)); |
| 557 | Mem::Copy(screenMemory, bitmapLine, sourceRectWidthInBytes); |
| 558 | bitmapLine += sourceScanlineLength; |
| 559 | screenMemory += targetScanlineLength; |
| 560 | } |
| 561 | } |
| 562 | // !! 256 color paletted mode: 8 bpp --> 12 bpp |
| 563 | else { |
| 564 | TUint8* bitmapLine = (TUint8*)_this->screen->pixels + sourceStartOffset; |
| 565 | TUint16* screenMemory = screenBuffer + targetStartOffset; |
| 566 | for(TInt y = 0 ; y < sourceRectHeight ; y++) { |
| 567 | TUint8* bitmapPos = bitmapLine; /* 1 byte per pixel */ |
| 568 | TUint16* screenMemoryLinePos = screenMemory; /* 2 bytes per pixel */ |
| 569 | /* Convert each pixel from 256 palette to 4k color values */ |
| 570 | for(TInt x = 0 ; x < sourceRectWidth ; x++) { |
| 571 | __ASSERT_DEBUG(screenMemoryLinePos < (screenBuffer |
| 572 | + (Private->EPOC_ScreenSize.iWidth * Private->EPOC_ScreenSize.iHeight)), |
| 573 | User::Panic(_L("SDL"), KErrCorrupt)); |
| 574 | __ASSERT_DEBUG(screenMemoryLinePos >= screenBuffer, |
| 575 | User::Panic(_L("SDL"), KErrCorrupt)); |
| 576 | __ASSERT_DEBUG(bitmapPos < ((TUint8*)_this->screen->pixels + |
| 577 | + (_this->screen->w * _this->screen->h)), |
| 578 | User::Panic(_L("SDL"), KErrCorrupt)); |
| 579 | __ASSERT_DEBUG(bitmapPos >= (TUint8*)_this->screen->pixels, |
| 580 | User::Panic(_L("SDL"), KErrCorrupt)); |
| 581 | *screenMemoryLinePos = EPOC_HWPalette_256_to_4k[*bitmapPos]; |
| 582 | bitmapPos++; |
| 583 | screenMemoryLinePos++; |
| 584 | } |
| 585 | bitmapLine += sourceScanlineLength; |
| 586 | screenMemory += targetScanlineLength; |
| 587 | } |
| 588 | } |
| 589 | |
| 590 | } |
| 591 | |
| 592 | #ifdef __WINS__ |
| 593 | |
| 594 | TRect rect = TRect(Private->EPOC_WsWindow.Size()); |
| 595 | Private->EPOC_WsWindow.Invalidate(rect); |
| 596 | Private->EPOC_WsWindow.BeginRedraw(rect); |
| 597 | Private->EPOC_WindowGc->BitBlt(TPoint(), Private->EPOC_Bitmap); |
| 598 | Private->EPOC_WsWindow.EndRedraw(); |
| 599 | Private->EPOC_WindowGc->Deactivate(); |
| 600 | lock.End(); // Unlock bitmap heap |
| 601 | Private->EPOC_WsSession.Flush(); |
| 602 | |
| 603 | #endif |
| 604 | |
| 605 | /* Update virtual cursor */ |
| 606 | //!!Private->EPOC_WsSession.SetPointerCursorPosition(Private->EPOC_WsSession.PointerCursorPosition()); |
| 607 | |
| 608 | return; |
| 609 | } |
| 610 | |
| 611 | |
| 612 | /* Note: If we are terminated, this could be called in the middle of |
| 613 | another SDL video routine -- notably UpdateRects. |
| 614 | */ |
| 615 | void EPOC_VideoQuit(_THIS) |
| 616 | { |
| 617 | int i; |
| 618 | |
| 619 | /* Free video mode lists */ |
| 620 | for ( i=0; i<SDL_NUMMODES; ++i ) { |
| 621 | if ( Private->SDL_modelist[i] != NULL ) { |
| 622 | SDL_free(Private->SDL_modelist[i]); |
| 623 | Private->SDL_modelist[i] = NULL; |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | if ( _this->screen && (_this->screen->flags & SDL_HWSURFACE) ) { |
| 628 | /* Direct screen access, no memory buffer */ |
| 629 | _this->screen->pixels = NULL; |
| 630 | } |
| 631 | |
| 632 | if (_this->screen && _this->screen->pixels) { |
| 633 | SDL_free(_this->screen->pixels); |
| 634 | _this->screen->pixels = NULL; |
| 635 | } |
| 636 | |
| 637 | /* Free Epoc resources */ |
| 638 | |
| 639 | /* Disable events for me */ |
| 640 | if (Private->EPOC_WsEventStatus != KRequestPending) |
| 641 | Private->EPOC_WsSession.EventReadyCancel(); |
| 642 | if (Private->EPOC_RedrawEventStatus != KRequestPending) |
| 643 | Private->EPOC_WsSession.RedrawReadyCancel(); |
| 644 | |
| 645 | #ifdef __WINS__ |
| 646 | delete Private->EPOC_Bitmap; |
| 647 | Private->EPOC_Bitmap = NULL; |
| 648 | #endif |
| 649 | |
| 650 | if (Private->EPOC_WsWindow.WsHandle()) |
| 651 | Private->EPOC_WsWindow.Close(); |
| 652 | |
| 653 | if (Private->EPOC_WsWindowGroup.WsHandle()) |
| 654 | Private->EPOC_WsWindowGroup.Close(); |
| 655 | |
| 656 | delete Private->EPOC_WindowGc; |
| 657 | Private->EPOC_WindowGc = NULL; |
| 658 | |
| 659 | delete Private->EPOC_WsScreen; |
| 660 | Private->EPOC_WsScreen = NULL; |
| 661 | |
| 662 | if (Private->EPOC_WsSession.WsHandle()) |
| 663 | Private->EPOC_WsSession.Close(); |
| 664 | } |
| 665 | |
| 666 | |
| 667 | WMcursor *EPOC_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) |
| 668 | { |
| 669 | return (WMcursor *) 9210; // it's ok to return something unuseful but true |
| 670 | } |
| 671 | |
| 672 | void EPOC_FreeWMCursor(_THIS, WMcursor *cursor) |
| 673 | { |
| 674 | /* Disable virtual cursor */ |
| 675 | HAL::Set(HAL::EMouseState, HAL::EMouseState_Invisible); |
| 676 | Private->EPOC_WsSession.SetPointerCursorMode(EPointerCursorNone); |
| 677 | } |
| 678 | |
| 679 | int EPOC_ShowWMCursor(_THIS, WMcursor *cursor) |
| 680 | { |
| 681 | |
| 682 | if (cursor == (WMcursor *)9210) { |
| 683 | /* Enable virtual cursor */ |
| 684 | HAL::Set(HAL::EMouseState, HAL::EMouseState_Visible); |
| 685 | Private->EPOC_WsSession.SetPointerCursorMode(EPointerCursorNormal); |
| 686 | } |
| 687 | else { |
| 688 | /* Disable virtual cursor */ |
| 689 | HAL::Set(HAL::EMouseState, HAL::EMouseState_Invisible); |
| 690 | Private->EPOC_WsSession.SetPointerCursorMode(EPointerCursorNone); |
| 691 | } |
| 692 | |
| 693 | return(1); |
| 694 | } |
| 695 | |
| 696 | }; // extern "C" |
| 697 | |