git.sesse.net Git - vlc/blob - modules/video_output/msw/direct3d.c

   1 /*****************************************************************************
   2  * direct3d.c: Windows Direct3D video output module
   3  *****************************************************************************
   4  * Copyright (C) 2006-2009 the VideoLAN team
   5  *$Id$
   6  *
   7  * Authors: Damien Fouilleul <damienf@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble:
  26  *
  27  * This plugin will use YUV surface if supported, using YUV will result in
  28  * the best video quality (hardware filering when rescaling the picture)
  29  * and the fastest display as it requires less processing.
  30  *
  31  * If YUV overlay is not supported this plugin will use RGB offscreen video
  32  * surfaces that will be blitted onto the primary surface (display) to
  33  * effectively display the pictures.
  34  *
  35  *****************************************************************************/
  36 #ifdef HAVE_CONFIG_H
  37 # include "config.h"
  38 #endif
  39
  40 #include <vlc_common.h>
  41 #include <vlc_plugin.h>
  42 #include <vlc_playlist.h>
  43 #include <vlc_vout_display.h>
  44
  45 #include <windows.h>
  46 #include <d3d9.h>
  47
  48 #include "common.h"
  49
  50 /*****************************************************************************
  51  * Module descriptor
  52  *****************************************************************************/
  53 static int  OpenVideoXP(vlc_object_t *);
  54 static int  OpenVideoVista(vlc_object_t *);
  55 static void Close(vlc_object_t *);
  56
  57 #define DESKTOP_TEXT N_("Enable desktop mode ")
  58 #define DESKTOP_LONGTEXT N_(\
  59     "The desktop mode allows you to display the video on the desktop.")
  60
  61 #define D3D_HELP N_("Recommended video output for Windows Vista and later versions")
  62
  63 vlc_module_begin ()
  64     set_shortname("Direct3D")
  65     set_description(N_("Direct3D video output"))
  66     set_help(D3D_HELP)
  67     set_category(CAT_VIDEO)
  68     set_subcategory(SUBCAT_VIDEO_VOUT)
  69
  70     add_bool("direct3d-desktop", false, NULL, DESKTOP_TEXT, DESKTOP_LONGTEXT, true)
  71
  72     set_capability("vout display", 150)
  73     add_shortcut("direct3d")
  74     set_callbacks(OpenVideoVista, Close)
  75
  76     add_submodule()
  77         set_description(N_("Direct3D video output (XP)"))
  78         set_capability("vout display", 70)
  79         add_shortcut("direct3d_xp")
  80         set_callbacks(OpenVideoXP, Close)
  81
  82 vlc_module_end ()
  83
  84 /*****************************************************************************
  85  * Local prototypes.
  86  *****************************************************************************/
  87 struct picture_sys_t
  88 {
  89     LPDIRECT3DSURFACE9 surface;
  90 };
  91
  92 static int  Open(vlc_object_t *);
  93
  94 static picture_pool_t *Pool  (vout_display_t *, unsigned);
  95 static void           Prepare(vout_display_t *, picture_t *);
  96 static void           Display(vout_display_t *, picture_t *);
  97 static int            Control(vout_display_t *, int, va_list);
  98 static void           Manage (vout_display_t *);
  99
 100 static int  Direct3DCreate (vout_display_t *);
 101 static int  Direct3DReset  (vout_display_t *);
 102 static void Direct3DDestroy(vout_display_t *);
 103
 104 static int  Direct3DOpen (vout_display_t *, video_format_t *);
 105 static void Direct3DClose(vout_display_t *);
 106
 107 static void Direct3DRenderScene(vout_display_t *vd, LPDIRECT3DSURFACE9 surface);
 108
 109 /* */
 110 static int DesktopCallback(vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void *);
 111
 112 /**
 113  * It creates a Direct3D vout display.
 114  */
 115 static int Open(vlc_object_t *object)
 116 {
 117     vout_display_t *vd = (vout_display_t *)object;
 118     vout_display_sys_t *sys;
 119
 120     /* Allocate structure */
 121     vd->sys = sys = calloc(1, sizeof(vout_display_sys_t));
 122     if (!sys)
 123         return VLC_ENOMEM;
 124
 125     if (Direct3DCreate(vd)) {
 126         msg_Err(vd, "Direct3D could not be initialized");
 127         Direct3DDestroy(vd);
 128         free(sys);
 129         return VLC_EGENERIC;
 130     }
 131
 132     sys->use_desktop = var_CreateGetBool(vd, "direct3d-desktop");
 133     sys->reset_device = false;
 134     sys->reset_device = false;
 135     sys->allow_hw_yuv = var_CreateGetBool(vd, "directx-hw-yuv");
 136     sys->desktop_save.is_fullscreen = vd->cfg->is_fullscreen;
 137     sys->desktop_save.is_on_top     = false;
 138     sys->desktop_save.win.left      = var_InheritInteger(vd, "video-x");
 139     sys->desktop_save.win.right     = vd->cfg->display.width;
 140     sys->desktop_save.win.top       = var_InheritInteger(vd, "video-y");
 141     sys->desktop_save.win.bottom    = vd->cfg->display.height;
 142
 143     if (CommonInit(vd))
 144         goto error;
 145
 146     /* */
 147     video_format_t fmt;
 148     if (Direct3DOpen(vd, &fmt)) {
 149         msg_Err(vd, "Direct3D could not be opened");
 150         goto error;
 151     }
 152
 153     /* */
 154     vout_display_info_t info = vd->info;
 155     info.is_slow = true;
 156     info.has_double_click = true;
 157     info.has_hide_mouse = false;
 158     info.has_pictures_invalid = true;
 159     info.has_event_thread = true;
 160
 161     /* Interaction */
 162     vlc_mutex_init(&sys->lock);
 163     sys->ch_desktop = false;
 164     sys->desktop_requested = sys->use_desktop;
 165
 166     vlc_value_t val;
 167     val.psz_string = _("Desktop");
 168     var_Change(vd, "direct3d-desktop", VLC_VAR_SETTEXT, &val, NULL);
 169     var_AddCallback(vd, "direct3d-desktop", DesktopCallback, NULL);
 170
 171     /* Setup vout_display now that everything is fine */
 172     vd->fmt  = fmt;
 173     vd->info = info;
 174
 175     vd->pool    = Pool;
 176     vd->prepare = Prepare;
 177     vd->display = Display;
 178     vd->control = Control;
 179     vd->manage  = Manage;
 180
 181     /* Fix state in case of desktop mode */
 182     if (sys->use_desktop && vd->cfg->is_fullscreen)
 183         vout_display_SendEventFullscreen(vd, false);
 184
 185     return VLC_SUCCESS;
 186 error:
 187     Direct3DClose(vd);
 188     CommonClean(vd);
 189     Direct3DDestroy(vd);
 190     free(vd->sys);
 191     return VLC_EGENERIC;
 192 }
 193
 194 static bool IsVistaOrAbove(void)
 195 {
 196     OSVERSIONINFO winVer;
 197     winVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 198     return GetVersionEx(&winVer) && winVer.dwMajorVersion > 5;
 199 }
 200
 201 static int OpenVideoXP(vlc_object_t *obj)
 202 {
 203     /* Windows XP or lower, make sure this module isn't the default */
 204     return IsVistaOrAbove() ? VLC_EGENERIC : Open(obj);
 205 }
 206
 207 static int OpenVideoVista(vlc_object_t *obj)
 208 {
 209     /* Windows Vista or above, make this module the default */
 210     return IsVistaOrAbove() ? Open(obj) : VLC_EGENERIC;
 211 }
 212
 213 /**
 214  * It destroyes a Direct3D vout display.
 215  */
 216 static void Close(vlc_object_t *object)
 217 {
 218     vout_display_t * vd = (vout_display_t *)object;
 219
 220     var_DelCallback(vd, "direct3d-desktop", DesktopCallback, NULL);
 221
 222     Direct3DClose(vd);
 223
 224     CommonClean(vd);
 225
 226     Direct3DDestroy(vd);
 227
 228     free(vd->sys);
 229 }
 230
 231 /* */
 232 static picture_pool_t *Pool(vout_display_t *vd, unsigned count)
 233 {
 234     VLC_UNUSED(count);
 235     return vd->sys->pool;
 236 }
 237
 238 static int  Direct3DLockSurface(picture_t *);
 239 static void Direct3DUnlockSurface(picture_t *);
 240
 241 static void Prepare(vout_display_t *vd, picture_t *picture)
 242 {
 243     LPDIRECT3DSURFACE9 surface = picture->p_sys->surface;
 244 #if 0
 245     picture_Release(picture);
 246     Direct3DRenderScene(vd, surface);
 247 #else
 248     /* FIXME it is a bit ugly, we need the surface to be unlocked for
 249      * rendering.
 250      *  The clean way would be to release the picture (and ensure that
 251      * the vout doesn't keep a reference). But because of the vout
 252      * wrapper, we can't */
 253
 254     Direct3DUnlockSurface(picture);
 255
 256     Direct3DRenderScene(vd, surface);
 257
 258     Direct3DLockSurface(picture);
 259 #endif
 260 }
 261
 262 static void Display(vout_display_t *vd, picture_t *picture)
 263 {
 264     vout_display_sys_t *sys = vd->sys;
 265     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
 266
 267     // Present the back buffer contents to the display
 268     // No stretching should happen here !
 269     const RECT src = sys->rect_dest_clipped;
 270     const RECT dst = sys->rect_dest_clipped;
 271     HRESULT hr = IDirect3DDevice9_Present(d3ddev, &src, &dst, NULL, NULL);
 272     if (FAILED(hr)) {
 273         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 274     }
 275 #if 0
 276     VLC_UNUSED(picture);
 277 #else
 278     /* XXX See Prepare() */
 279     picture_Release(picture);
 280 #endif
 281
 282     CommonDisplay(vd);
 283 }
 284 static int ControlResetDevice(vout_display_t *vd)
 285 {
 286     return Direct3DReset(vd);
 287 }
 288 static int ControlReopenDevice(vout_display_t *vd)
 289 {
 290     vout_display_sys_t *sys = vd->sys;
 291
 292     if (!sys->use_desktop) {
 293         /* Save non-desktop state */
 294         sys->desktop_save.is_fullscreen = vd->cfg->is_fullscreen;
 295         sys->desktop_save.is_on_top     = sys->is_on_top;
 296
 297         WINDOWPLACEMENT wp = { .length = sizeof(wp), };
 298         GetWindowPlacement(sys->hparent ? sys->hparent : sys->hwnd, &wp);
 299         sys->desktop_save.win = wp.rcNormalPosition;
 300     }
 301
 302     /* */
 303     Direct3DClose(vd);
 304     EventThreadStop(sys->event);
 305
 306     /* */
 307     vlc_mutex_lock(&sys->lock);
 308     sys->use_desktop = sys->desktop_requested;
 309     sys->ch_desktop = false;
 310     vlc_mutex_unlock(&sys->lock);
 311
 312     /* */
 313     event_cfg_t cfg;
 314     memset(&cfg, 0, sizeof(cfg));
 315     cfg.use_desktop = sys->use_desktop;
 316     if (!sys->use_desktop) {
 317         cfg.win.type   = VOUT_WINDOW_TYPE_HWND;
 318         cfg.win.x      = sys->desktop_save.win.left;
 319         cfg.win.y      = sys->desktop_save.win.top;
 320         cfg.win.width  = sys->desktop_save.win.right  - sys->desktop_save.win.left;
 321         cfg.win.height = sys->desktop_save.win.bottom - sys->desktop_save.win.top;
 322     }
 323
 324     event_hwnd_t hwnd;
 325     if (EventThreadStart(sys->event, &hwnd, &cfg)) {
 326         msg_Err(vd, "Failed to restart event thread");
 327         return VLC_EGENERIC;
 328     }
 329     sys->parent_window = hwnd.parent_window;
 330     sys->hparent       = hwnd.hparent;
 331     sys->hwnd          = hwnd.hwnd;
 332     sys->hvideownd     = hwnd.hvideownd;
 333     sys->hfswnd        = hwnd.hfswnd;
 334     SetRectEmpty(&sys->rect_parent);
 335
 336     /* */
 337     video_format_t fmt;
 338     if (Direct3DOpen(vd, &fmt)) {
 339         CommonClean(vd);
 340         msg_Err(vd, "Failed to reopen device");
 341         return VLC_EGENERIC;
 342     }
 343     vd->fmt = fmt;
 344     sys->is_first_display = true;
 345
 346     if (sys->use_desktop) {
 347         /* Disable fullscreen/on_top while using desktop */
 348         if (sys->desktop_save.is_fullscreen)
 349             vout_display_SendEventFullscreen(vd, false);
 350         if (sys->desktop_save.is_on_top)
 351             vout_display_SendWindowState(vd, VOUT_WINDOW_STATE_NORMAL);
 352     } else {
 353         /* Restore fullscreen/on_top */
 354         if (sys->desktop_save.is_fullscreen)
 355             vout_display_SendEventFullscreen(vd, true);
 356         if (sys->desktop_save.is_on_top)
 357             vout_display_SendWindowState(vd, VOUT_WINDOW_STATE_ABOVE);
 358     }
 359     return VLC_SUCCESS;
 360 }
 361 static int Control(vout_display_t *vd, int query, va_list args)
 362 {
 363     vout_display_sys_t *sys = vd->sys;
 364
 365     switch (query) {
 366     case VOUT_DISPLAY_RESET_PICTURES:
 367         /* FIXME what to do here in case of failure */
 368         if (sys->reset_device) {
 369             if (ControlResetDevice(vd)) {
 370                 msg_Err(vd, "Failed to reset device");
 371                 return VLC_EGENERIC;
 372             }
 373             sys->reset_device = false;
 374         } else if(sys->reopen_device) {
 375             if (ControlReopenDevice(vd)) {
 376                 msg_Err(vd, "Failed to reopen device");
 377                 return VLC_EGENERIC;
 378             }
 379             sys->reopen_device = false;
 380         }
 381         return VLC_SUCCESS;
 382     default:
 383         return CommonControl(vd, query, args);
 384     }
 385 }
 386 static void Manage (vout_display_t *vd)
 387 {
 388     vout_display_sys_t *sys = vd->sys;
 389
 390     CommonManage(vd);
 391
 392     /* Desktop mode change */
 393     vlc_mutex_lock(&sys->lock);
 394     const bool ch_desktop = sys->ch_desktop;
 395     sys->ch_desktop = false;
 396     vlc_mutex_unlock(&sys->lock);
 397
 398     if (ch_desktop) {
 399         sys->reopen_device = true;
 400         vout_display_SendEventPicturesInvalid(vd);
 401     }
 402
 403 #if 0
 404     /*
 405      * Position Change
 406      */
 407     if (sys->changes & DX_POSITION_CHANGE) {
 408 #if 0 /* need that when bicubic filter is available */
 409         RECT rect;
 410         UINT width, height;
 411
 412         GetClientRect(p_sys->hvideownd, &rect);
 413         width  = rect.right-rect.left;
 414         height = rect.bottom-rect.top;
 415
 416         if (width != p_sys->d3dpp.BackBufferWidth || height != p_sys->d3dpp.BackBufferHeight)
 417         {
 418             msg_Dbg(vd, "resizing device back buffers to (%lux%lu)", width, height);
 419             // need to reset D3D device to resize back buffer
 420             if (VLC_SUCCESS != Direct3DResetDevice(vd, width, height))
 421                 return VLC_EGENERIC;
 422         }
 423 #endif
 424         sys->changes &= ~DX_POSITION_CHANGE;
 425     }
 426 #endif
 427 }
 428
 429 /**
 430  * It initializes an instance of Direct3D9
 431  */
 432 static int Direct3DCreate(vout_display_t *vd)
 433 {
 434     vout_display_sys_t *sys = vd->sys;
 435
 436     sys->hd3d9_dll = LoadLibrary(TEXT("D3D9.DLL"));
 437     if (!sys->hd3d9_dll) {
 438         msg_Warn(vd, "cannot load d3d9.dll, aborting");
 439         return VLC_EGENERIC;
 440     }
 441
 442     LPDIRECT3D9 (WINAPI *OurDirect3DCreate9)(UINT SDKVersion);
 443     OurDirect3DCreate9 =
 444         (void *)GetProcAddress(sys->hd3d9_dll, TEXT("Direct3DCreate9"));
 445     if (!OurDirect3DCreate9) {
 446         msg_Err(vd, "Cannot locate reference to Direct3DCreate9 ABI in DLL");
 447         return VLC_EGENERIC;
 448     }
 449
 450     /* Create the D3D object. */
 451     LPDIRECT3D9 d3dobj = OurDirect3DCreate9(D3D_SDK_VERSION);
 452     if (!d3dobj) {
 453        msg_Err(vd, "Could not create Direct3D9 instance.");
 454        return VLC_EGENERIC;
 455     }
 456     sys->d3dobj = d3dobj;
 457
 458     /*
 459     ** Get device capabilities
 460     */
 461     D3DCAPS9 d3dCaps;
 462     ZeroMemory(&d3dCaps, sizeof(d3dCaps));
 463     HRESULT hr = IDirect3D9_GetDeviceCaps(d3dobj, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &d3dCaps);
 464     if (FAILED(hr)) {
 465        msg_Err(vd, "Could not read adapter capabilities. (hr=0x%lX)", hr);
 466        return VLC_EGENERIC;
 467     }
 468     /* TODO: need to test device capabilities and select the right render function */
 469
 470     return VLC_SUCCESS;
 471 }
 472
 473 /**
 474  * It releases an instance of Direct3D9
 475  */
 476 static void Direct3DDestroy(vout_display_t *vd)
 477 {
 478     vout_display_sys_t *sys = vd->sys;
 479
 480     if (sys->d3dobj)
 481        IDirect3D9_Release(sys->d3dobj);
 482     if (sys->hd3d9_dll)
 483         FreeLibrary(sys->hd3d9_dll);
 484
 485     sys->d3dobj = NULL;
 486     sys->hd3d9_dll = NULL;
 487 }
 488
 489
 490 /**
 491  * It setup vout_display_sys_t::d3dpp and vout_display_sys_t::rect_display
 492  * from the default adapter.
 493  */
 494 static int Direct3DFillPresentationParameters(vout_display_t *vd)
 495 {
 496     vout_display_sys_t *sys = vd->sys;
 497
 498     /*
 499     ** Get the current desktop display mode, so we can set up a back
 500     ** buffer of the same format
 501     */
 502     D3DDISPLAYMODE d3ddm;
 503     HRESULT hr = IDirect3D9_GetAdapterDisplayMode(sys->d3dobj,
 504                                                   D3DADAPTER_DEFAULT, &d3ddm);
 505     if (FAILED(hr)) {
 506        msg_Err(vd, "Could not read adapter display mode. (hr=0x%lX)", hr);
 507        return VLC_EGENERIC;
 508     }
 509
 510     /* Set up the structure used to create the D3DDevice. */
 511     D3DPRESENT_PARAMETERS *d3dpp = &vd->sys->d3dpp;
 512     ZeroMemory(d3dpp, sizeof(D3DPRESENT_PARAMETERS));
 513     d3dpp->Flags                  = D3DPRESENTFLAG_VIDEO;
 514     d3dpp->Windowed               = TRUE;
 515     d3dpp->hDeviceWindow          = vd->sys->hvideownd;
 516     d3dpp->BackBufferWidth        = __MAX(GetSystemMetrics(SM_CXVIRTUALSCREEN),
 517                                           d3ddm.Width);
 518     d3dpp->BackBufferHeight       = __MAX(GetSystemMetrics(SM_CYVIRTUALSCREEN),
 519                                           d3ddm.Height);
 520     d3dpp->SwapEffect             = D3DSWAPEFFECT_COPY;
 521     d3dpp->MultiSampleType        = D3DMULTISAMPLE_NONE;
 522     d3dpp->PresentationInterval   = D3DPRESENT_INTERVAL_DEFAULT;
 523     d3dpp->BackBufferFormat       = d3ddm.Format;
 524     d3dpp->BackBufferCount        = 1;
 525     d3dpp->EnableAutoDepthStencil = FALSE;
 526
 527     /* */
 528     RECT *display = &vd->sys->rect_display;
 529     display->left   = 0;
 530     display->top    = 0;
 531     display->right  = d3dpp->BackBufferWidth;
 532     display->bottom = d3dpp->BackBufferHeight;
 533
 534     return VLC_SUCCESS;
 535 }
 536
 537 /* */
 538 static int  Direct3DCreateResources (vout_display_t *, video_format_t *);
 539 static void Direct3DDestroyResources(vout_display_t *);
 540
 541 /**
 542  * It creates a Direct3D device and the associated resources.
 543  */
 544 static int Direct3DOpen(vout_display_t *vd, video_format_t *fmt)
 545 {
 546     vout_display_sys_t *sys = vd->sys;
 547     LPDIRECT3D9 d3dobj = sys->d3dobj;
 548
 549     if (Direct3DFillPresentationParameters(vd))
 550         return VLC_EGENERIC;
 551
 552     // Create the D3DDevice
 553     LPDIRECT3DDEVICE9 d3ddev;
 554     HRESULT hr = IDirect3D9_CreateDevice(d3dobj, D3DADAPTER_DEFAULT,
 555                                          D3DDEVTYPE_HAL, sys->hvideownd,
 556                                          D3DCREATE_SOFTWARE_VERTEXPROCESSING|
 557                                          D3DCREATE_MULTITHREADED,
 558                                          &sys->d3dpp, &d3ddev);
 559     if (FAILED(hr)) {
 560        msg_Err(vd, "Could not create the D3D device! (hr=0x%lX)", hr);
 561        return VLC_EGENERIC;
 562     }
 563     sys->d3ddev = d3ddev;
 564
 565     UpdateRects(vd, NULL, NULL, true);
 566
 567     if (Direct3DCreateResources(vd, fmt)) {
 568         msg_Err(vd, "Failed to allocate resources");
 569         return VLC_EGENERIC;
 570     }
 571
 572     /* Change the window title bar text */
 573     EventThreadUpdateTitle(sys->event, VOUT_TITLE " (Direct3D output)");
 574
 575     msg_Dbg(vd, "Direct3D device adapter successfully initialized");
 576     return VLC_SUCCESS;
 577 }
 578
 579 /**
 580  * It releases the Direct3D9 device and its resources.
 581  */
 582 static void Direct3DClose(vout_display_t *vd)
 583 {
 584     vout_display_sys_t *sys = vd->sys;
 585
 586     Direct3DDestroyResources(vd);
 587
 588     if (sys->d3ddev)
 589        IDirect3DDevice9_Release(sys->d3ddev);
 590
 591     sys->d3ddev = NULL;
 592 }
 593
 594 /**
 595  * It reset the Direct3D9 device and its resources.
 596  */
 597 static int Direct3DReset(vout_display_t *vd)
 598 {
 599     vout_display_sys_t *sys = vd->sys;
 600     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
 601
 602     if (Direct3DFillPresentationParameters(vd))
 603         return VLC_EGENERIC;
 604
 605     /* release all D3D objects */
 606     Direct3DDestroyResources(vd);
 607
 608     /* */
 609     HRESULT hr = IDirect3DDevice9_Reset(d3ddev, &sys->d3dpp);
 610     if (FAILED(hr)) {
 611         msg_Err(vd, "%s failed ! (hr=%08lX)", __FUNCTION__, hr);
 612         return VLC_EGENERIC;
 613     }
 614
 615     UpdateRects(vd, NULL, NULL, true);
 616
 617     /* re-create them */
 618     if (Direct3DCreateResources(vd, &vd->fmt)) {
 619         msg_Dbg(vd, "%s failed !", __FUNCTION__);
 620         return VLC_EGENERIC;
 621     }
 622     return VLC_SUCCESS;
 623 }
 624
 625 /* */
 626 static int  Direct3DCreatePool(vout_display_t *vd, video_format_t *fmt);
 627 static void Direct3DDestroyPool(vout_display_t *vd);
 628
 629 static int  Direct3DCreateScene(vout_display_t *vd);
 630 static void Direct3DDestroyScene(vout_display_t *vd);
 631
 632 /**
 633  * It creates the picture and scene resources.
 634  */
 635 static int Direct3DCreateResources(vout_display_t *vd, video_format_t *fmt)
 636 {
 637     if (Direct3DCreatePool(vd, fmt)) {
 638         msg_Err(vd, "Direct3D picture pool initialization failed");
 639         return VLC_EGENERIC;
 640     }
 641     if (Direct3DCreateScene(vd)) {
 642         msg_Err(vd, "Direct3D scene initialization failed !");
 643         return VLC_EGENERIC;
 644     }
 645     return VLC_SUCCESS;
 646 }
 647 /**
 648  * It destroys the picture and scene resources.
 649  */
 650 static void Direct3DDestroyResources(vout_display_t *vd)
 651 {
 652     Direct3DDestroyScene(vd);
 653     Direct3DDestroyPool(vd);
 654 }
 655
 656 /**
 657  * It tests if the conversion from src to dst is supported.
 658  */
 659 static int Direct3DCheckConversion(vout_display_t *vd,
 660                                    D3DFORMAT src, D3DFORMAT dst)
 661 {
 662     vout_display_sys_t *sys = vd->sys;
 663     LPDIRECT3D9 d3dobj = sys->d3dobj;
 664     HRESULT hr;
 665
 666     /* test whether device can create a surface of that format */
 667     hr = IDirect3D9_CheckDeviceFormat(d3dobj, D3DADAPTER_DEFAULT,
 668                                       D3DDEVTYPE_HAL, dst, 0,
 669                                       D3DRTYPE_SURFACE, src);
 670     if (SUCCEEDED(hr)) {
 671         /* test whether device can perform color-conversion
 672         ** from that format to target format
 673         */
 674         hr = IDirect3D9_CheckDeviceFormatConversion(d3dobj,
 675                                                     D3DADAPTER_DEFAULT,
 676                                                     D3DDEVTYPE_HAL,
 677                                                     src, dst);
 678     }
 679     if (!SUCCEEDED(hr)) {
 680         if (D3DERR_NOTAVAILABLE != hr)
 681             msg_Err(vd, "Could not query adapter supported formats. (hr=0x%lX)", hr);
 682         return VLC_EGENERIC;
 683     }
 684     return VLC_SUCCESS;
 685 }
 686
 687 typedef struct
 688 {
 689     const char   *name;
 690     D3DFORMAT    format;    /* D3D format */
 691     vlc_fourcc_t fourcc;    /* VLC fourcc */
 692     uint32_t     rmask;
 693     uint32_t     gmask;
 694     uint32_t     bmask;
 695 } d3d_format_t;
 696
 697 static const d3d_format_t d3d_formats[] = {
 698     /* YV12 is always used for planar 420, the planes are then swapped in Lock() */
 699     { "YV12",       MAKEFOURCC('Y','V','1','2'),    VLC_CODEC_YV12,  0,0,0 },
 700     { "YV12",       MAKEFOURCC('Y','V','1','2'),    VLC_CODEC_I420,  0,0,0 },
 701     { "YV12",       MAKEFOURCC('Y','V','1','2'),    VLC_CODEC_J420,  0,0,0 },
 702     { "UYVY",       D3DFMT_UYVY,    VLC_CODEC_UYVY,  0,0,0 },
 703     { "YUY2",       D3DFMT_YUY2,    VLC_CODEC_YUYV,  0,0,0 },
 704     { "X8R8G8B8",   D3DFMT_X8R8G8B8,VLC_CODEC_RGB32, 0xff0000, 0x00ff00, 0x0000ff },
 705     { "A8R8G8B8",   D3DFMT_A8R8G8B8,VLC_CODEC_RGB32, 0xff0000, 0x00ff00, 0x0000ff },
 706     { "8G8B8",      D3DFMT_R8G8B8,  VLC_CODEC_RGB24, 0xff0000, 0x00ff00, 0x0000ff },
 707     { "R5G6B5",     D3DFMT_R5G6B5,  VLC_CODEC_RGB16, 0x1f<<11, 0x3f<<5,  0x1f<<0 },
 708     { "X1R5G5B5",   D3DFMT_X1R5G5B5,VLC_CODEC_RGB15, 0x1f<<10, 0x1f<<5,  0x1f<<0 },
 709
 710     { NULL, 0, 0, 0,0,0}
 711 };
 712
 713 /**
 714  * It returns the format (closest to chroma) that can be converted to target */
 715 static const d3d_format_t *Direct3DFindFormat(vout_display_t *vd, vlc_fourcc_t chroma, D3DFORMAT target)
 716 {
 717     vout_display_sys_t *sys = vd->sys;
 718
 719     for (unsigned pass = 0; pass < 2; pass++) {
 720         const vlc_fourcc_t *list;
 721
 722         if (pass == 0 && sys->allow_hw_yuv && vlc_fourcc_IsYUV(chroma))
 723             list = vlc_fourcc_GetYUVFallback(chroma);
 724         else if (pass == 1)
 725             list = vlc_fourcc_GetRGBFallback(chroma);
 726         else
 727             continue;
 728
 729         for (unsigned i = 0; list[i] != 0; i++) {
 730             for (unsigned j = 0; d3d_formats[j].name; j++) {
 731                 const d3d_format_t *format = &d3d_formats[j];
 732
 733                 if (format->fourcc != list[i])
 734                     continue;
 735
 736                 msg_Warn(vd, "trying surface pixel format: %s",
 737                          format->name);
 738                 if (!Direct3DCheckConversion(vd, format->format, target)) {
 739                     msg_Dbg(vd, "selected surface pixel format is %s",
 740                             format->name);
 741                     return format;
 742                 }
 743             }
 744         }
 745     }
 746     return NULL;
 747 }
 748
 749 /**
 750  * It locks the surface associated to the picture and get the surface
 751  * descriptor which amongst other things has the pointer to the picture
 752  * data and its pitch.
 753  */
 754 static int Direct3DLockSurface(picture_t *picture)
 755 {
 756     /* Lock the surface to get a valid pointer to the picture buffer */
 757     D3DLOCKED_RECT d3drect;
 758     HRESULT hr = IDirect3DSurface9_LockRect(picture->p_sys->surface, &d3drect, NULL, 0);
 759     if (FAILED(hr)) {
 760         //msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 761         return VLC_EGENERIC;
 762     }
 763
 764     /* fill in buffer info in first plane */
 765     picture->p->p_pixels = d3drect.pBits;
 766     picture->p->i_pitch  = d3drect.Pitch;
 767
 768     /*  Fill chroma planes for planar YUV */
 769     if (picture->format.i_chroma == VLC_CODEC_I420 ||
 770         picture->format.i_chroma == VLC_CODEC_J420 ||
 771         picture->format.i_chroma == VLC_CODEC_YV12) {
 772
 773         for (int n = 1; n < picture->i_planes; n++) {
 774             const plane_t *o = &picture->p[n-1];
 775             plane_t *p = &picture->p[n];
 776
 777             p->p_pixels = o->p_pixels + o->i_lines * o->i_pitch;
 778             p->i_pitch  = d3drect.Pitch / 2;
 779         }
 780         /* The d3d buffer is always allocated as YV12 */
 781         if (vlc_fourcc_AreUVPlanesSwapped(picture->format.i_chroma, VLC_CODEC_YV12)) {
 782             uint8_t *p_tmp = picture->p[1].p_pixels;
 783             picture->p[1].p_pixels = picture->p[2].p_pixels;
 784             picture->p[2].p_pixels = p_tmp;
 785         }
 786     }
 787     return VLC_SUCCESS;
 788 }
 789 /**
 790  * It unlocks the surface associated to the picture.
 791  */
 792 static void Direct3DUnlockSurface(picture_t *picture)
 793 {
 794     /* Unlock the Surface */
 795     HRESULT hr = IDirect3DSurface9_UnlockRect(picture->p_sys->surface);
 796     if (FAILED(hr)) {
 797         //msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 798     }
 799 }
 800
 801 /**
 802  * It creates the pool of picture (only 1).
 803  *
 804  * Each picture has an associated offscreen surface in video memory
 805  * depending on hardware capabilities the picture chroma will be as close
 806  * as possible to the orginal render chroma to reduce CPU conversion overhead
 807  * and delegate this work to video card GPU
 808  */
 809 static int Direct3DCreatePool(vout_display_t *vd, video_format_t *fmt)
 810 {
 811     vout_display_sys_t *sys = vd->sys;
 812     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
 813
 814     /* */
 815     *fmt = vd->source;
 816
 817     /* Find the appropriate D3DFORMAT for the render chroma, the format will be the closest to
 818      * the requested chroma which is usable by the hardware in an offscreen surface, as they
 819      * typically support more formats than textures */
 820     const d3d_format_t *d3dfmt = Direct3DFindFormat(vd, fmt->i_chroma, sys->d3dpp.BackBufferFormat);
 821     if (!d3dfmt) {
 822         msg_Err(vd, "surface pixel format is not supported.");
 823         return VLC_EGENERIC;
 824     }
 825     fmt->i_chroma = d3dfmt->fourcc;
 826     fmt->i_rmask  = d3dfmt->rmask;
 827     fmt->i_gmask  = d3dfmt->gmask;
 828     fmt->i_bmask  = d3dfmt->bmask;
 829
 830     /* We create one picture.
 831      * It is useless to create more as we can't be used for direct rendering */
 832
 833     /* Create a surface */
 834     LPDIRECT3DSURFACE9 surface;
 835     HRESULT hr = IDirect3DDevice9_CreateOffscreenPlainSurface(d3ddev,
 836                                                               fmt->i_width,
 837                                                               fmt->i_height,
 838                                                               d3dfmt->format,
 839                                                               D3DPOOL_DEFAULT,
 840                                                               &surface,
 841                                                               NULL);
 842     if (FAILED(hr)) {
 843         msg_Err(vd, "Failed to create picture surface. (hr=0x%lx)", hr);
 844         return VLC_EGENERIC;
 845     }
 846     /* fill surface with black color */
 847     IDirect3DDevice9_ColorFill(d3ddev, surface, NULL, D3DCOLOR_ARGB(0xFF, 0, 0, 0));
 848
 849     /* Create the associated picture */
 850     picture_resource_t *rsc = &sys->resource;
 851     rsc->p_sys = malloc(sizeof(*rsc->p_sys));
 852     if (!rsc->p_sys) {
 853         IDirect3DSurface9_Release(surface);
 854         return VLC_ENOMEM;
 855     }
 856     rsc->p_sys->surface = surface;
 857     for (int i = 0; i < PICTURE_PLANE_MAX; i++) {
 858         rsc->p[i].p_pixels = NULL;
 859         rsc->p[i].i_pitch = 0;
 860         rsc->p[i].i_lines = fmt->i_height / (i > 0 ? 2 : 1);
 861     }
 862     picture_t *picture = picture_NewFromResource(fmt, rsc);
 863     if (!picture) {
 864         IDirect3DSurface9_Release(surface);
 865         free(rsc->p_sys);
 866         return VLC_ENOMEM;
 867     }
 868
 869     /* Wrap it into a picture pool */
 870     picture_pool_configuration_t pool_cfg;
 871     memset(&pool_cfg, 0, sizeof(pool_cfg));
 872     pool_cfg.picture_count = 1;
 873     pool_cfg.picture       = &picture;
 874     pool_cfg.lock          = Direct3DLockSurface;
 875     pool_cfg.unlock        = Direct3DUnlockSurface;
 876
 877     sys->pool = picture_pool_NewExtended(&pool_cfg);
 878     if (!sys->pool) {
 879         picture_Release(picture);
 880         IDirect3DSurface9_Release(surface);
 881         return VLC_ENOMEM;
 882     }
 883     return VLC_SUCCESS;
 884 }
 885 /**
 886  * It destroys the pool of picture and its resources.
 887  */
 888 static void Direct3DDestroyPool(vout_display_t *vd)
 889 {
 890     vout_display_sys_t *sys = vd->sys;
 891
 892     if (sys->pool) {
 893         picture_resource_t *rsc = &sys->resource;
 894         IDirect3DSurface9_Release(rsc->p_sys->surface);
 895
 896         picture_pool_Delete(sys->pool);
 897     }
 898     sys->pool = NULL;
 899 }
 900
 901 /* */
 902 typedef struct
 903 {
 904     FLOAT       x,y,z;      // vertex untransformed position
 905     FLOAT       rhw;        // eye distance
 906     D3DCOLOR    diffuse;    // diffuse color
 907     FLOAT       tu, tv;     // texture relative coordinates
 908 } CUSTOMVERTEX;
 909
 910 #define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZRHW|D3DFVF_DIFFUSE|D3DFVF_TEX1)
 911
 912 /**
 913  * It allocates and initializes the resources needed to render the scene.
 914  */
 915 static int Direct3DCreateScene(vout_display_t *vd)
 916 {
 917     vout_display_sys_t *sys = vd->sys;
 918     LPDIRECT3DDEVICE9       d3ddev = sys->d3ddev;
 919     HRESULT hr;
 920
 921     /*
 922      * Create a texture for use when rendering a scene
 923      * for performance reason, texture format is identical to backbuffer
 924      * which would usually be a RGB format
 925      */
 926     LPDIRECT3DTEXTURE9 d3dtex;
 927     hr = IDirect3DDevice9_CreateTexture(d3ddev,
 928                                         sys->d3dpp.BackBufferWidth,
 929                                         sys->d3dpp.BackBufferHeight,
 930                                         1,
 931                                         D3DUSAGE_RENDERTARGET,
 932                                         sys->d3dpp.BackBufferFormat,
 933                                         D3DPOOL_DEFAULT,
 934                                         &d3dtex,
 935                                         NULL);
 936     if (FAILED(hr)) {
 937         msg_Err(vd, "Failed to create texture. (hr=0x%lx)", hr);
 938         return VLC_EGENERIC;
 939     }
 940
 941     /*
 942     ** Create a vertex buffer for use when rendering scene
 943     */
 944     LPDIRECT3DVERTEXBUFFER9 d3dvtc;
 945     hr = IDirect3DDevice9_CreateVertexBuffer(d3ddev,
 946                                              sizeof(CUSTOMVERTEX)*4,
 947                                              D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY,
 948                                              D3DFVF_CUSTOMVERTEX,
 949                                              D3DPOOL_DEFAULT,
 950                                              &d3dvtc,
 951                                              NULL);
 952     if (FAILED(hr)) {
 953         msg_Err(vd, "Failed to create vertex buffer. (hr=0x%lx)", hr);
 954         IDirect3DTexture9_Release(d3dtex);
 955         return VLC_EGENERIC;
 956     }
 957
 958     /* */
 959     sys->d3dtex = d3dtex;
 960     sys->d3dvtc = d3dvtc;
 961
 962     // Texture coordinates outside the range [0.0, 1.0] are set
 963     // to the texture color at 0.0 or 1.0, respectively.
 964     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
 965     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
 966
 967     // Set linear filtering quality
 968     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
 969     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
 970
 971     // set maximum ambient light
 972     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_AMBIENT, D3DCOLOR_XRGB(255,255,255));
 973
 974     // Turn off culling
 975     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_CULLMODE, D3DCULL_NONE);
 976
 977     // Turn off the zbuffer
 978     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ZENABLE, D3DZB_FALSE);
 979
 980     // Turn off lights
 981     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_LIGHTING, FALSE);
 982
 983     // Enable dithering
 984     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_DITHERENABLE, TRUE);
 985
 986     // disable stencil
 987     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_STENCILENABLE, FALSE);
 988
 989     // manage blending
 990     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHABLENDENABLE, TRUE);
 991     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_SRCBLEND,D3DBLEND_SRCALPHA);
 992     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_DESTBLEND,D3DBLEND_INVSRCALPHA);
 993     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHATESTENABLE,TRUE);
 994     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHAREF, 0x10);
 995     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHAFUNC,D3DCMP_GREATER);
 996
 997     // Set texture states
 998     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_COLOROP,D3DTOP_MODULATE);
 999     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_COLORARG1,D3DTA_TEXTURE);
1000     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_COLORARG2,D3DTA_DIFFUSE);
1001
1002     // turn off alpha operation
1003     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
1004
1005     msg_Dbg(vd, "Direct3D scene created successfully");
1006
1007     return VLC_SUCCESS;
1008 }
1009
1010 /**
1011  * It releases the scene resources.
1012  */
1013 static void Direct3DDestroyScene(vout_display_t *vd)
1014 {
1015     vout_display_sys_t *sys = vd->sys;
1016
1017     LPDIRECT3DVERTEXBUFFER9 d3dvtc = sys->d3dvtc;
1018     if (d3dvtc)
1019         IDirect3DVertexBuffer9_Release(d3dvtc);
1020
1021     LPDIRECT3DTEXTURE9 d3dtex = sys->d3dtex;
1022     if (d3dtex)
1023         IDirect3DTexture9_Release(d3dtex);
1024
1025     sys->d3dvtc = NULL;
1026     sys->d3dtex = NULL;
1027     msg_Dbg(vd, "Direct3D scene released successfully");
1028 }
1029
1030 /**
1031  * It copies picture surface into a texture and renders into a scene.
1032  *
1033  * This function is intented for higher end 3D cards, with pixel shader support
1034  * and at least 64 MiB of video RAM.
1035  */
1036 static void Direct3DRenderScene(vout_display_t *vd, LPDIRECT3DSURFACE9 surface)
1037 {
1038     vout_display_sys_t *sys = vd->sys;
1039     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
1040     HRESULT hr;
1041
1042     // check if device is still available
1043     hr = IDirect3DDevice9_TestCooperativeLevel(d3ddev);
1044     if (FAILED(hr)) {
1045         if (hr == D3DERR_DEVICENOTRESET && !sys->reset_device) {
1046             vout_display_SendEventPicturesInvalid(vd);
1047             sys->reset_device = true;
1048         }
1049         return;
1050     }
1051     /* */
1052     LPDIRECT3DTEXTURE9      d3dtex  = sys->d3dtex;
1053     LPDIRECT3DVERTEXBUFFER9 d3dvtc  = sys->d3dvtc;
1054
1055     /* Clear the backbuffer and the zbuffer */
1056     hr = IDirect3DDevice9_Clear(d3ddev, 0, NULL, D3DCLEAR_TARGET,
1057                               D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0);
1058     if (FAILED(hr)) {
1059         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1060         return;
1061     }
1062     /*  retrieve picture surface */
1063     LPDIRECT3DSURFACE9 d3dsrc = surface;
1064     if (!d3dsrc) {
1065         msg_Dbg(vd, "no surface to render ?");
1066         return;
1067     }
1068
1069     /* retrieve texture top-level surface */
1070     LPDIRECT3DSURFACE9 d3ddest;
1071     hr = IDirect3DTexture9_GetSurfaceLevel(d3dtex, 0, &d3ddest);
1072     if (FAILED(hr)) {
1073         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1074         return;
1075     }
1076
1077     /* Copy picture surface into texture surface
1078      * color space conversion and scaling happen here */
1079     RECT src = vd->sys->rect_src_clipped;
1080     RECT dst = vd->sys->rect_dest_clipped;
1081
1082     hr = IDirect3DDevice9_StretchRect(d3ddev, d3dsrc, &src, d3ddest, &dst, D3DTEXF_LINEAR);
1083     IDirect3DSurface9_Release(d3ddest);
1084     if (FAILED(hr)) {
1085         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1086         return;
1087     }
1088
1089     /* Update the vertex buffer */
1090     CUSTOMVERTEX *vertices;
1091     hr = IDirect3DVertexBuffer9_Lock(d3dvtc, 0, 0, &vertices, D3DLOCK_DISCARD);
1092     if (FAILED(hr)) {
1093         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1094         return;
1095     }
1096
1097     /* Setup vertices */
1098     const float f_width  = vd->sys->d3dpp.BackBufferWidth;
1099     const float f_height = vd->sys->d3dpp.BackBufferHeight;
1100
1101     /* -0.5f is a "feature" of DirectX and it seems to apply to Direct3d also */
1102     /* http://www.sjbrown.co.uk/2003/05/01/fix-directx-rasterisation/ */
1103     vertices[0].x       = -0.5f;       // left
1104     vertices[0].y       = -0.5f;       // top
1105     vertices[0].z       = 0.0f;
1106     vertices[0].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1107     vertices[0].rhw     = 1.0f;
1108     vertices[0].tu      = 0.0f;
1109     vertices[0].tv      = 0.0f;
1110
1111     vertices[1].x       = f_width - 0.5f;    // right
1112     vertices[1].y       = -0.5f;       // top
1113     vertices[1].z       = 0.0f;
1114     vertices[1].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1115     vertices[1].rhw     = 1.0f;
1116     vertices[1].tu      = 1.0f;
1117     vertices[1].tv      = 0.0f;
1118
1119     vertices[2].x       = f_width - 0.5f;    // right
1120     vertices[2].y       = f_height - 0.5f;   // bottom
1121     vertices[2].z       = 0.0f;
1122     vertices[2].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1123     vertices[2].rhw     = 1.0f;
1124     vertices[2].tu      = 1.0f;
1125     vertices[2].tv      = 1.0f;
1126
1127     vertices[3].x       = -0.5f;       // left
1128     vertices[3].y       = f_height - 0.5f;   // bottom
1129     vertices[3].z       = 0.0f;
1130     vertices[3].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1131     vertices[3].rhw     = 1.0f;
1132     vertices[3].tu      = 0.0f;
1133     vertices[3].tv      = 1.0f;
1134
1135     hr= IDirect3DVertexBuffer9_Unlock(d3dvtc);
1136     if (FAILED(hr)) {
1137         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1138         return;
1139     }
1140
1141     // Begin the scene
1142     hr = IDirect3DDevice9_BeginScene(d3ddev);
1143     if (FAILED(hr)) {
1144         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1145         return;
1146     }
1147
1148     // Setup our texture. Using textures introduces the texture stage states,
1149     // which govern how textures get blended together (in the case of multiple
1150     // textures) and lighting information. In this case, we are modulating
1151     // (blending) our texture with the diffuse color of the vertices.
1152     hr = IDirect3DDevice9_SetTexture(d3ddev, 0, (LPDIRECT3DBASETEXTURE9)d3dtex);
1153     if (FAILED(hr)) {
1154         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1155         IDirect3DDevice9_EndScene(d3ddev);
1156         return;
1157     }
1158
1159     // Render the vertex buffer contents
1160     hr = IDirect3DDevice9_SetStreamSource(d3ddev, 0, d3dvtc, 0, sizeof(CUSTOMVERTEX));
1161     if (FAILED(hr)) {
1162         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1163         IDirect3DDevice9_EndScene(d3ddev);
1164         return;
1165     }
1166
1167     // we use FVF instead of vertex shader
1168     hr = IDirect3DDevice9_SetFVF(d3ddev, D3DFVF_CUSTOMVERTEX);
1169     if (FAILED(hr)) {
1170         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1171         IDirect3DDevice9_EndScene(d3ddev);
1172         return;
1173     }
1174
1175     // draw rectangle
1176     hr = IDirect3DDevice9_DrawPrimitive(d3ddev, D3DPT_TRIANGLEFAN, 0, 2);
1177     if (FAILED(hr)) {
1178         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1179         IDirect3DDevice9_EndScene(d3ddev);
1180         return;
1181     }
1182
1183     // End the scene
1184     hr = IDirect3DDevice9_EndScene(d3ddev);
1185     if (FAILED(hr)) {
1186         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1187         return;
1188     }
1189 }
1190
1191 /*****************************************************************************
1192  * DesktopCallback: desktop mode variable callback
1193  *****************************************************************************/
1194 static int DesktopCallback(vlc_object_t *object, char const *psz_cmd,
1195                             vlc_value_t oldval, vlc_value_t newval,
1196                             void *p_data)
1197 {
1198     vout_display_t *vd = (vout_display_t *)object;
1199     vout_display_sys_t *sys = vd->sys;
1200     VLC_UNUSED(psz_cmd);
1201     VLC_UNUSED(oldval);
1202     VLC_UNUSED(p_data);
1203
1204     vlc_mutex_lock(&sys->lock);
1205     const bool ch_desktop = !sys->desktop_requested != !newval.b_bool;
1206     sys->ch_desktop |= ch_desktop;
1207     sys->desktop_requested = newval.b_bool;
1208     vlc_mutex_unlock(&sys->lock);
1209
1210     /* FIXME we should have a way to export variable to be saved */
1211     if (ch_desktop) {
1212         playlist_t *p_playlist = pl_Get(vd);
1213         /* Modify playlist as well because the vout might have to be
1214          * restarted */
1215         var_Create(p_playlist, "direct3d-desktop", VLC_VAR_BOOL);
1216         var_SetBool(p_playlist, "direct3d-desktop", newval.b_bool);
1217     }
1218     return VLC_SUCCESS;
1219 }