| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 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 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | #include <unistd.h> |
| 25 | #include <sys/ioctl.h> |
| 26 | |
| 27 | #include "SDL_endian.h" |
| 28 | #include "SDL_timer.h" |
| 29 | #include "SDL_thread.h" |
| 30 | #include "SDL_video.h" |
| 31 | #include "SDL_mouse.h" |
| 32 | #include "../SDL_sysvideo.h" |
| 33 | #include "../SDL_pixels_c.h" |
| 34 | #include "../../events/SDL_events_c.h" |
| 35 | #include "SDL_ph_video.h" |
| 36 | #include "SDL_ph_modes_c.h" |
| 37 | #include "SDL_ph_image_c.h" |
| 38 | #include "SDL_ph_events_c.h" |
| 39 | #include "SDL_ph_mouse_c.h" |
| 40 | #include "SDL_ph_wm_c.h" |
| 41 | #include "SDL_ph_gl.h" |
| 42 | #include "SDL_phyuv_c.h" |
| 43 | #include "../blank_cursor.h" |
| 44 | |
| 45 | static int ph_VideoInit(_THIS, SDL_PixelFormat *vformat); |
| 46 | static SDL_Surface *ph_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
| 47 | static int ph_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); |
| 48 | static void ph_VideoQuit(_THIS); |
| 49 | static void ph_DeleteDevice(SDL_VideoDevice *device); |
| 50 | |
| 51 | static int phstatus=-1; |
| 52 | |
| 53 | static int ph_Available(void) |
| 54 | { |
| 55 | if (phstatus!=0) |
| 56 | { |
| 57 | phstatus=PtInit(NULL); |
| 58 | if (phstatus==0) |
| 59 | { |
| 60 | return 1; |
| 61 | } |
| 62 | else |
| 63 | { |
| 64 | return 0; |
| 65 | } |
| 66 | } |
| 67 | return 1; |
| 68 | } |
| 69 | |
| 70 | static SDL_VideoDevice* ph_CreateDevice(int devindex) |
| 71 | { |
| 72 | SDL_VideoDevice* device; |
| 73 | |
| 74 | /* Initialize all variables that we clean on shutdown */ |
| 75 | device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| 76 | if (device) |
| 77 | { |
| 78 | SDL_memset(device, 0, (sizeof *device)); |
| 79 | device->hidden = (struct SDL_PrivateVideoData*)SDL_malloc((sizeof *device->hidden)); |
| 80 | device->gl_data = NULL; |
| 81 | } |
| 82 | if ((device == NULL) || (device->hidden == NULL)) |
| 83 | { |
| 84 | SDL_OutOfMemory(); |
| 85 | ph_DeleteDevice(device); |
| 86 | return NULL; |
| 87 | } |
| 88 | SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
| 89 | |
| 90 | /* Set the driver flags */ |
| 91 | device->handles_any_size = 1; |
| 92 | |
| 93 | /* Set the function pointers */ |
| 94 | device->CreateYUVOverlay = ph_CreateYUVOverlay; |
| 95 | device->VideoInit = ph_VideoInit; |
| 96 | device->ListModes = ph_ListModes; |
| 97 | device->SetVideoMode = ph_SetVideoMode; |
| 98 | device->ToggleFullScreen = ph_ToggleFullScreen; |
| 99 | device->UpdateMouse = ph_UpdateMouse; |
| 100 | device->SetColors = ph_SetColors; |
| 101 | device->UpdateRects = NULL; /* set up in ph_SetupUpdateFunction */ |
| 102 | device->VideoQuit = ph_VideoQuit; |
| 103 | device->AllocHWSurface = ph_AllocHWSurface; |
| 104 | device->CheckHWBlit = ph_CheckHWBlit; |
| 105 | device->FillHWRect = ph_FillHWRect; |
| 106 | device->SetHWColorKey = ph_SetHWColorKey; |
| 107 | device->SetHWAlpha = ph_SetHWAlpha; |
| 108 | device->LockHWSurface = ph_LockHWSurface; |
| 109 | device->UnlockHWSurface = ph_UnlockHWSurface; |
| 110 | device->FlipHWSurface = ph_FlipHWSurface; |
| 111 | device->FreeHWSurface = ph_FreeHWSurface; |
| 112 | device->SetCaption = ph_SetCaption; |
| 113 | device->SetIcon = NULL; |
| 114 | device->IconifyWindow = ph_IconifyWindow; |
| 115 | device->GrabInput = ph_GrabInput; |
| 116 | device->GetWMInfo = ph_GetWMInfo; |
| 117 | device->FreeWMCursor = ph_FreeWMCursor; |
| 118 | device->CreateWMCursor = ph_CreateWMCursor; |
| 119 | device->ShowWMCursor = ph_ShowWMCursor; |
| 120 | device->WarpWMCursor = ph_WarpWMCursor; |
| 121 | device->MoveWMCursor = NULL; |
| 122 | device->CheckMouseMode = ph_CheckMouseMode; |
| 123 | device->InitOSKeymap = ph_InitOSKeymap; |
| 124 | device->PumpEvents = ph_PumpEvents; |
| 125 | |
| 126 | /* OpenGL support. */ |
| 127 | #if SDL_VIDEO_OPENGL |
| 128 | device->GL_MakeCurrent = ph_GL_MakeCurrent; |
| 129 | device->GL_SwapBuffers = ph_GL_SwapBuffers; |
| 130 | device->GL_GetAttribute = ph_GL_GetAttribute; |
| 131 | device->GL_LoadLibrary = ph_GL_LoadLibrary; |
| 132 | device->GL_GetProcAddress = ph_GL_GetProcAddress; |
| 133 | #endif /* SDL_VIDEO_OPENGL */ |
| 134 | |
| 135 | device->free = ph_DeleteDevice; |
| 136 | |
| 137 | return device; |
| 138 | } |
| 139 | |
| 140 | VideoBootStrap ph_bootstrap = { |
| 141 | "photon", "QNX Photon video output", |
| 142 | ph_Available, ph_CreateDevice |
| 143 | }; |
| 144 | |
| 145 | static void ph_DeleteDevice(SDL_VideoDevice *device) |
| 146 | { |
| 147 | if (device) |
| 148 | { |
| 149 | if (device->hidden) |
| 150 | { |
| 151 | SDL_free(device->hidden); |
| 152 | device->hidden = NULL; |
| 153 | } |
| 154 | if (device->gl_data) |
| 155 | { |
| 156 | SDL_free(device->gl_data); |
| 157 | device->gl_data = NULL; |
| 158 | } |
| 159 | SDL_free(device); |
| 160 | device = NULL; |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | static PtWidget_t *ph_CreateWindow(_THIS) |
| 165 | { |
| 166 | PtWidget_t *widget; |
| 167 | |
| 168 | widget = PtCreateWidget(PtWindow, NULL, 0, NULL); |
| 169 | |
| 170 | return widget; |
| 171 | } |
| 172 | |
| 173 | static int ph_SetupWindow(_THIS, int w, int h, int flags) |
| 174 | { |
| 175 | PtArg_t args[32]; |
| 176 | PhPoint_t pos = {0, 0}; |
| 177 | PhDim_t* olddim; |
| 178 | PhDim_t dim = {w, h}; |
| 179 | PhRect_t desktopextent; |
| 180 | int nargs = 0; |
| 181 | const char* windowpos; |
| 182 | const char* iscentered; |
| 183 | int x, y; |
| 184 | |
| 185 | /* check if window size has been changed by Window Manager */ |
| 186 | PtGetResource(window, Pt_ARG_DIM, &olddim, 0); |
| 187 | if ((olddim->w!=w) || (olddim->h!=h)) |
| 188 | { |
| 189 | PtSetArg(&args[nargs++], Pt_ARG_DIM, &dim, 0); |
| 190 | } |
| 191 | |
| 192 | if ((flags & SDL_RESIZABLE) == SDL_RESIZABLE) |
| 193 | { |
| 194 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE, Ph_WM_CLOSE); |
| 195 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_TRUE, Ph_WM_MAX | Ph_WM_RESTORE | Ph_WM_RESIZE); |
| 196 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE, Ph_WM_RESIZE | Ph_WM_MOVE | Ph_WM_CLOSE | Ph_WM_MAX | Ph_WM_RESTORE); |
| 197 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_TRUE, Ph_WM_RENDER_RESIZE | Ph_WM_RENDER_MAX | Ph_WM_RENDER_COLLAPSE | Ph_WM_RENDER_RETURN); |
| 198 | PtSetArg(&args[nargs++], Pt_ARG_RESIZE_FLAGS, Pt_TRUE, Pt_RESIZE_XY_AS_REQUIRED); |
| 199 | } |
| 200 | else |
| 201 | { |
| 202 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE, Ph_WM_RESIZE | Ph_WM_MAX | Ph_WM_RESTORE | Ph_WM_CLOSE); |
| 203 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_FALSE, Ph_WM_RESIZE | Ph_WM_MAX | Ph_WM_RESTORE); |
| 204 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE, Ph_WM_MOVE | Ph_WM_CLOSE); |
| 205 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_FALSE, Ph_WM_RENDER_RESIZE | Ph_WM_RENDER_MAX | Ph_WM_RENDER_COLLAPSE | Ph_WM_RENDER_RETURN); |
| 206 | PtSetArg(&args[nargs++], Pt_ARG_RESIZE_FLAGS, Pt_FALSE, Pt_RESIZE_XY_AS_REQUIRED); |
| 207 | } |
| 208 | |
| 209 | if (((flags & SDL_NOFRAME)==SDL_NOFRAME) || ((flags & SDL_FULLSCREEN)==SDL_FULLSCREEN)) |
| 210 | { |
| 211 | if ((flags & SDL_RESIZABLE) != SDL_RESIZABLE) |
| 212 | { |
| 213 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_FALSE, Pt_TRUE); |
| 214 | } |
| 215 | else |
| 216 | { |
| 217 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_FALSE, Pt_TRUE); |
| 218 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_TRUE, Ph_WM_RENDER_RESIZE | Ph_WM_RENDER_BORDER); |
| 219 | } |
| 220 | } |
| 221 | else |
| 222 | { |
| 223 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_TRUE, Ph_WM_RENDER_BORDER | Ph_WM_RENDER_TITLE | |
| 224 | Ph_WM_RENDER_CLOSE | Ph_WM_RENDER_MENU | Ph_WM_RENDER_MIN); |
| 225 | } |
| 226 | |
| 227 | if ((flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) |
| 228 | { |
| 229 | PtSetArg(&args[nargs++], Pt_ARG_POS, &pos, 0); |
| 230 | PtSetArg(&args[nargs++], Pt_ARG_BASIC_FLAGS, Pt_TRUE, Pt_BASIC_PREVENT_FILL); |
| 231 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_TRUE, Ph_WM_FFRONT | Ph_WM_MAX | Ph_WM_TOFRONT | Ph_WM_CONSWITCH); |
| 232 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_TRUE, Ph_WM_STATE_ISFRONT | Ph_WM_STATE_ISFOCUS | Ph_WM_STATE_ISALTKEY); |
| 233 | } |
| 234 | else |
| 235 | { |
| 236 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE, Ph_WM_FFRONT | Ph_WM_CONSWITCH); |
| 237 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_FALSE, Ph_WM_STATE_ISFRONT); |
| 238 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_TRUE, Ph_WM_STATE_ISALTKEY); |
| 239 | |
| 240 | if ((flags & SDL_HWSURFACE) == SDL_HWSURFACE) |
| 241 | { |
| 242 | PtSetArg(&args[nargs++], Pt_ARG_BASIC_FLAGS, Pt_TRUE, Pt_BASIC_PREVENT_FILL); |
| 243 | } |
| 244 | else |
| 245 | { |
| 246 | PtSetArg(&args[nargs++], Pt_ARG_FILL_COLOR, Pg_BLACK, 0); |
| 247 | } |
| 248 | if (!currently_maximized) |
| 249 | { |
| 250 | windowpos = SDL_getenv("SDL_VIDEO_WINDOW_POS"); |
| 251 | iscentered = SDL_getenv("SDL_VIDEO_CENTERED"); |
| 252 | |
| 253 | if ((iscentered) || ((windowpos) && (SDL_strcmp(windowpos, "center")==0))) |
| 254 | { |
| 255 | PhWindowQueryVisible(Ph_QUERY_CONSOLE, 0, 0, &desktopextent); |
| 256 | if (desktop_mode.width>w) |
| 257 | { |
| 258 | pos.x = (desktop_mode.width - w)/2; |
| 259 | } |
| 260 | if (desktop_mode.height>h) |
| 261 | { |
| 262 | pos.y = (desktop_mode.height - h)/2; |
| 263 | } |
| 264 | |
| 265 | pos.x+=desktopextent.ul.x; |
| 266 | pos.y+=desktopextent.ul.y; |
| 267 | PtSetArg(&args[nargs++], Pt_ARG_POS, &pos, 0); |
| 268 | } |
| 269 | else |
| 270 | { |
| 271 | if (windowpos) |
| 272 | { |
| 273 | if (SDL_sscanf(windowpos, "%d,%d", &x, &y) == 2) |
| 274 | { |
| 275 | if ((x<desktop_mode.width) && (y<desktop_mode.height)) |
| 276 | { |
| 277 | PhWindowQueryVisible(Ph_QUERY_CONSOLE, 0, 0, &desktopextent); |
| 278 | pos.x=x+desktopextent.ul.x; |
| 279 | pos.y=y+desktopextent.ul.y; |
| 280 | } |
| 281 | PtSetArg(&args[nargs++], Pt_ARG_POS, &pos, 0); |
| 282 | } |
| 283 | } |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | /* if window is maximized render it as maximized */ |
| 288 | if (currently_maximized) |
| 289 | { |
| 290 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_TRUE, Ph_WM_STATE_ISMAX); |
| 291 | } |
| 292 | else |
| 293 | { |
| 294 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_FALSE, Ph_WM_STATE_ISMAX); |
| 295 | } |
| 296 | |
| 297 | /* do not grab the keyboard by default */ |
| 298 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_FALSE, Ph_WM_STATE_ISALTKEY); |
| 299 | |
| 300 | /* bring the focus to the window */ |
| 301 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_TRUE, Ph_WM_STATE_ISFOCUS); |
| 302 | |
| 303 | /* allow to catch hide event */ |
| 304 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_TRUE, Ph_WM_HIDE); |
| 305 | PtSetArg(&args[nargs++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE, Ph_WM_HIDE); |
| 306 | } |
| 307 | |
| 308 | PtSetResources(window, nargs, args); |
| 309 | PtRealizeWidget(window); |
| 310 | PtWindowToFront(window); |
| 311 | |
| 312 | #if 0 /* FIXME */ |
| 313 | PtGetResource(window, Pt_ARG_POS, &olddim, 0); |
| 314 | fprintf(stderr, "POSITION: %d, %d\n", olddim->w, olddim->h); |
| 315 | #endif |
| 316 | |
| 317 | return 0; |
| 318 | } |
| 319 | |
| 320 | static const struct ColourMasks* ph_GetColourMasks(int bpp) |
| 321 | { |
| 322 | /* The alpha mask doesn't appears to be needed */ |
| 323 | static const struct ColourMasks phColorMasks[5] = { |
| 324 | /* 8 bit */ {0, 0, 0, 0, 8}, |
| 325 | /* 15 bit ARGB */ {0x7C00, 0x03E0, 0x001F, 0x8000, 15}, |
| 326 | /* 16 bit RGB */ {0xF800, 0x07E0, 0x001F, 0x0000, 16}, |
| 327 | /* 24 bit RGB */ {0xFF0000, 0x00FF00, 0x0000FF, 0x000000, 24}, |
| 328 | /* 32 bit ARGB */ {0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000, 32}, |
| 329 | }; |
| 330 | |
| 331 | switch (bpp) |
| 332 | { |
| 333 | case 8: |
| 334 | return &phColorMasks[0]; |
| 335 | case 15: |
| 336 | return &phColorMasks[1]; |
| 337 | case 16: |
| 338 | return &phColorMasks[2]; |
| 339 | case 24: |
| 340 | return &phColorMasks[3]; |
| 341 | case 32: |
| 342 | return &phColorMasks[4]; |
| 343 | } |
| 344 | return NULL; |
| 345 | } |
| 346 | |
| 347 | static int ph_VideoInit(_THIS, SDL_PixelFormat* vformat) |
| 348 | { |
| 349 | PgHWCaps_t hwcaps; |
| 350 | int i; |
| 351 | |
| 352 | window=NULL; |
| 353 | desktoppal=SDLPH_PAL_NONE; |
| 354 | |
| 355 | #if SDL_VIDEO_OPENGL |
| 356 | oglctx=NULL; |
| 357 | oglbuffers=NULL; |
| 358 | oglflags=0; |
| 359 | oglbpp=0; |
| 360 | #endif |
| 361 | |
| 362 | old_video_mode=-1; |
| 363 | old_refresh_rate=-1; |
| 364 | |
| 365 | if (NULL == (phevent = SDL_malloc(EVENT_SIZE))) |
| 366 | { |
| 367 | SDL_OutOfMemory(); |
| 368 | return -1; |
| 369 | } |
| 370 | SDL_memset(phevent, 0x00, EVENT_SIZE); |
| 371 | |
| 372 | window = ph_CreateWindow(this); |
| 373 | if (window == NULL) |
| 374 | { |
| 375 | SDL_SetError("ph_VideoInit(): Couldn't create video window !\n"); |
| 376 | return -1; |
| 377 | } |
| 378 | |
| 379 | /* Create the blank cursor */ |
| 380 | SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask, |
| 381 | (int)BLANK_CWIDTH, (int)BLANK_CHEIGHT, |
| 382 | (int)BLANK_CHOTX, (int)BLANK_CHOTY); |
| 383 | |
| 384 | if (SDL_BlankCursor == NULL) |
| 385 | { |
| 386 | return -1; |
| 387 | } |
| 388 | |
| 389 | if (PgGetGraphicsHWCaps(&hwcaps) < 0) |
| 390 | { |
| 391 | SDL_SetError("ph_VideoInit(): GetGraphicsHWCaps function failed !\n"); |
| 392 | this->FreeWMCursor(this, SDL_BlankCursor); |
| 393 | return -1; |
| 394 | } |
| 395 | |
| 396 | if (PgGetVideoModeInfo(hwcaps.current_video_mode, &desktop_mode) < 0) |
| 397 | { |
| 398 | SDL_SetError("ph_VideoInit(): PgGetVideoModeInfo function failed !\n"); |
| 399 | this->FreeWMCursor(this, SDL_BlankCursor); |
| 400 | return -1; |
| 401 | } |
| 402 | |
| 403 | /* Determine the current screen size */ |
| 404 | this->info.current_w = desktop_mode.width; |
| 405 | this->info.current_h = desktop_mode.height; |
| 406 | |
| 407 | /* We need to return BytesPerPixel as it in used by CreateRGBsurface */ |
| 408 | vformat->BitsPerPixel = desktop_mode.bits_per_pixel; |
| 409 | vformat->BytesPerPixel = desktop_mode.bytes_per_scanline/desktop_mode.width; |
| 410 | desktopbpp = desktop_mode.bits_per_pixel; |
| 411 | |
| 412 | /* save current palette */ |
| 413 | if (desktopbpp==8) |
| 414 | { |
| 415 | PgGetPalette(savedpal); |
| 416 | PgGetPalette(syspalph); |
| 417 | } |
| 418 | else |
| 419 | { |
| 420 | for(i=0; i<_Pg_MAX_PALETTE; i++) |
| 421 | { |
| 422 | savedpal[i]=PgRGB(0, 0, 0); |
| 423 | syspalph[i]=PgRGB(0, 0, 0); |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | currently_fullscreen = 0; |
| 428 | currently_hided = 0; |
| 429 | currently_maximized = 0; |
| 430 | current_overlay = NULL; |
| 431 | |
| 432 | OCImage.direct_context = NULL; |
| 433 | OCImage.offscreen_context = NULL; |
| 434 | OCImage.offscreen_backcontext = NULL; |
| 435 | OCImage.oldDC = NULL; |
| 436 | OCImage.CurrentFrameData = NULL; |
| 437 | OCImage.FrameData0 = NULL; |
| 438 | OCImage.FrameData1 = NULL; |
| 439 | videomode_emulatemode = 0; |
| 440 | |
| 441 | this->info.wm_available = 1; |
| 442 | |
| 443 | ph_UpdateHWInfo(this); |
| 444 | |
| 445 | return 0; |
| 446 | } |
| 447 | |
| 448 | static SDL_Surface* ph_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags) |
| 449 | { |
| 450 | const struct ColourMasks* mask; |
| 451 | |
| 452 | /* Lock the event thread, in multi-threading environments */ |
| 453 | SDL_Lock_EventThread(); |
| 454 | |
| 455 | current->flags = flags; |
| 456 | |
| 457 | /* if we do not have desired fullscreen mode, then fallback into window mode */ |
| 458 | if (((current->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) && (ph_GetVideoMode(width, height, bpp)==0)) |
| 459 | { |
| 460 | current->flags &= ~SDL_FULLSCREEN; |
| 461 | current->flags &= ~SDL_NOFRAME; |
| 462 | current->flags &= ~SDL_RESIZABLE; |
| 463 | } |
| 464 | |
| 465 | ph_SetupWindow(this, width, height, current->flags); |
| 466 | |
| 467 | mask = ph_GetColourMasks(bpp); |
| 468 | if (mask != NULL) |
| 469 | { |
| 470 | SDL_ReallocFormat(current, mask->bpp, mask->red, mask->green, mask->blue, 0); |
| 471 | } |
| 472 | else |
| 473 | { |
| 474 | SDL_SetError("ph_SetVideoMode(): desired bpp is not supported by photon !\n"); |
| 475 | return NULL; |
| 476 | } |
| 477 | |
| 478 | if ((current->flags & SDL_OPENGL)==SDL_OPENGL) |
| 479 | { |
| 480 | #if !SDL_VIDEO_OPENGL |
| 481 | /* if no built-in OpenGL support */ |
| 482 | SDL_SetError("ph_SetVideoMode(): no OpenGL support, you need to recompile SDL.\n"); |
| 483 | current->flags &= ~SDL_OPENGL; |
| 484 | return NULL; |
| 485 | #endif /* SDL_VIDEO_OPENGL */ |
| 486 | } |
| 487 | else |
| 488 | { |
| 489 | /* Initialize internal variables */ |
| 490 | if ((current->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) |
| 491 | { |
| 492 | if (bpp==8) |
| 493 | { |
| 494 | desktoppal=SDLPH_PAL_SYSTEM; |
| 495 | } |
| 496 | |
| 497 | current->flags &= ~SDL_RESIZABLE; /* no resize for Direct Context */ |
| 498 | current->flags |= SDL_HWSURFACE; |
| 499 | } |
| 500 | else |
| 501 | { |
| 502 | /* remove this if we'll have support for the non-fullscreen sw/hw+doublebuf one day */ |
| 503 | current->flags &= ~SDL_DOUBLEBUF; |
| 504 | |
| 505 | /* Use offscreen memory if SDL_HWSURFACE flag is set */ |
| 506 | if ((current->flags & SDL_HWSURFACE) == SDL_HWSURFACE) |
| 507 | { |
| 508 | if (desktopbpp!=bpp) |
| 509 | { |
| 510 | current->flags &= ~SDL_HWSURFACE; |
| 511 | } |
| 512 | } |
| 513 | |
| 514 | /* using palette emulation code in window mode */ |
| 515 | if (bpp==8) |
| 516 | { |
| 517 | if (desktopbpp>=15) |
| 518 | { |
| 519 | desktoppal = SDLPH_PAL_EMULATE; |
| 520 | } |
| 521 | else |
| 522 | { |
| 523 | desktoppal = SDLPH_PAL_SYSTEM; |
| 524 | } |
| 525 | } |
| 526 | else |
| 527 | { |
| 528 | desktoppal = SDLPH_PAL_NONE; |
| 529 | } |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | current->w = width; |
| 534 | current->h = height; |
| 535 | |
| 536 | if (desktoppal==SDLPH_PAL_SYSTEM) |
| 537 | { |
| 538 | current->flags|=SDL_HWPALETTE; |
| 539 | } |
| 540 | |
| 541 | /* Must call at least once for setup image planes */ |
| 542 | if (ph_SetupUpdateFunction(this, current, current->flags)==-1) |
| 543 | { |
| 544 | /* Error string was filled in the ph_SetupUpdateFunction() */ |
| 545 | return NULL; |
| 546 | } |
| 547 | |
| 548 | /* finish window drawing, if we are not in fullscreen, of course */ |
| 549 | if ((current->flags & SDL_FULLSCREEN) != SDL_FULLSCREEN) |
| 550 | { |
| 551 | PtFlush(); |
| 552 | } |
| 553 | else |
| 554 | { |
| 555 | PgFlush(); |
| 556 | } |
| 557 | |
| 558 | visualbpp=bpp; |
| 559 | |
| 560 | ph_UpdateHWInfo(this); |
| 561 | |
| 562 | SDL_Unlock_EventThread(); |
| 563 | |
| 564 | /* We've done! */ |
| 565 | return (current); |
| 566 | } |
| 567 | |
| 568 | static void ph_VideoQuit(_THIS) |
| 569 | { |
| 570 | /* restore palette */ |
| 571 | if (desktopbpp==8) |
| 572 | { |
| 573 | PgSetPalette(syspalph, 0, -1, 0, 0, 0); |
| 574 | PgSetPalette(savedpal, 0, 0, _Pg_MAX_PALETTE, Pg_PALSET_GLOBAL | Pg_PALSET_FORCE_EXPOSE, 0); |
| 575 | PgFlush(); |
| 576 | } |
| 577 | |
| 578 | ph_DestroyImage(this, SDL_VideoSurface); |
| 579 | |
| 580 | if (window) |
| 581 | { |
| 582 | PtUnrealizeWidget(window); |
| 583 | PtDestroyWidget(window); |
| 584 | window=NULL; |
| 585 | } |
| 586 | |
| 587 | if (phevent!=NULL) |
| 588 | { |
| 589 | SDL_free(phevent); |
| 590 | phevent=NULL; |
| 591 | } |
| 592 | } |
| 593 | |
| 594 | static int ph_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| 595 | { |
| 596 | int i; |
| 597 | SDL_Rect updaterect; |
| 598 | |
| 599 | updaterect.x = updaterect.y = 0; |
| 600 | updaterect.w = this->screen->w; |
| 601 | updaterect.h = this->screen->h; |
| 602 | |
| 603 | /* palette emulation code, using palette of the PhImage_t struct */ |
| 604 | if (desktoppal==SDLPH_PAL_EMULATE) |
| 605 | { |
| 606 | if ((SDL_Image) && (SDL_Image->palette)) |
| 607 | { |
| 608 | for (i=firstcolor; i<firstcolor+ncolors; i++) |
| 609 | { |
| 610 | syspalph[i] = PgRGB(colors[i-firstcolor].r, colors[i-firstcolor].g, colors[i-firstcolor].b); |
| 611 | SDL_Image->palette[i] = syspalph[i]; |
| 612 | } |
| 613 | |
| 614 | /* image needs to be redrawn */ |
| 615 | this->UpdateRects(this, 1, &updaterect); |
| 616 | } |
| 617 | } |
| 618 | else |
| 619 | { |
| 620 | if (desktoppal==SDLPH_PAL_SYSTEM) |
| 621 | { |
| 622 | for (i=firstcolor; i<firstcolor+ncolors; i++) |
| 623 | { |
| 624 | syspalph[i] = PgRGB(colors[i-firstcolor].r, colors[i-firstcolor].g, colors[i-firstcolor].b); |
| 625 | } |
| 626 | |
| 627 | if ((this->screen->flags & SDL_FULLSCREEN) != SDL_FULLSCREEN) |
| 628 | { |
| 629 | /* window mode must use soft palette */ |
| 630 | PgSetPalette(&syspalph[firstcolor], 0, firstcolor, ncolors, Pg_PALSET_GLOBAL, 0); |
| 631 | /* image needs to be redrawn */ |
| 632 | this->UpdateRects(this, 1, &updaterect); |
| 633 | } |
| 634 | else |
| 635 | { |
| 636 | /* fullscreen mode must use hardware palette */ |
| 637 | PgSetPalette(&syspalph[firstcolor], 0, firstcolor, ncolors, Pg_PALSET_GLOBAL, 0); |
| 638 | } |
| 639 | } |
| 640 | else |
| 641 | { |
| 642 | /* SDLPH_PAL_NONE do nothing */ |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | return 1; |
| 647 | } |
| 648 | |