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     /* FIXME: Hack to avoid unregistering our window class */
  77     cannot_unload_broken_library()
  78
  79     add_submodule()
  80         set_description(N_("Direct3D video output (XP)"))
  81         set_capability("vout display", 70)
  82         add_shortcut("direct3d_xp")
  83         set_callbacks(OpenVideoXP, Close)
  84
  85 vlc_module_end ()
  86
  87 #if 0 /* FIXME */
  88     /* check if we registered a window class because we need to
  89      * unregister it */
  90     WNDCLASS wndclass;
  91     if (GetClassInfo(GetModuleHandle(NULL), "VLC DirectX", &wndclass))
  92         UnregisterClass("VLC DirectX", GetModuleHandle(NULL));
  93 #endif
  94
  95 /*****************************************************************************
  96  * Local prototypes.
  97  *****************************************************************************/
  98 struct picture_sys_t
  99 {
 100     LPDIRECT3DSURFACE9 surface;
 101 };
 102
 103 static int  Open(vlc_object_t *);
 104
 105 static picture_pool_t *Pool  (vout_display_t *, unsigned);
 106 static void           Prepare(vout_display_t *, picture_t *);
 107 static void           Display(vout_display_t *, picture_t *);
 108 static int            Control(vout_display_t *, int, va_list);
 109 static void           Manage (vout_display_t *);
 110
 111 static int  Direct3DCreate (vout_display_t *);
 112 static int  Direct3DReset  (vout_display_t *);
 113 static void Direct3DDestroy(vout_display_t *);
 114
 115 static int  Direct3DOpen (vout_display_t *, video_format_t *);
 116 static void Direct3DClose(vout_display_t *);
 117
 118 static void Direct3DRenderScene(vout_display_t *vd, LPDIRECT3DSURFACE9 surface);
 119
 120 /* */
 121 static int DesktopCallback(vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void *);
 122
 123 /**
 124  * It creates a Direct3D vout display.
 125  */
 126 static int Open(vlc_object_t *object)
 127 {
 128     vout_display_t *vd = (vout_display_t *)object;
 129     vout_display_sys_t *sys;
 130
 131     /* Allocate structure */
 132     vd->sys = sys = calloc(1, sizeof(vout_display_sys_t));
 133     if (!sys)
 134         return VLC_ENOMEM;
 135
 136     if (Direct3DCreate(vd)) {
 137         msg_Err(vd, "Direct3D could not be initialized");
 138         Direct3DDestroy(vd);
 139         free(sys);
 140         return VLC_EGENERIC;
 141     }
 142
 143     sys->use_desktop = var_CreateGetBool(vd, "direct3d-desktop");
 144     sys->reset_device = false;
 145     sys->reset_device = false;
 146     sys->allow_hw_yuv = var_CreateGetBool(vd, "directx-hw-yuv");
 147     sys->desktop_save.is_fullscreen = vd->cfg->is_fullscreen;
 148     sys->desktop_save.is_on_top     = false;
 149     sys->desktop_save.win.left      = var_InheritInteger(vd, "video-x");
 150     sys->desktop_save.win.right     = vd->cfg->display.width;
 151     sys->desktop_save.win.top       = var_InheritInteger(vd, "video-y");
 152     sys->desktop_save.win.bottom    = vd->cfg->display.height;
 153
 154     if (CommonInit(vd))
 155         goto error;
 156
 157     /* */
 158     video_format_t fmt;
 159     if (Direct3DOpen(vd, &fmt)) {
 160         msg_Err(vd, "Direct3D could not be opened");
 161         goto error;
 162     }
 163
 164     /* */
 165     vout_display_info_t info = vd->info;
 166     info.is_slow = true;
 167     info.has_double_click = true;
 168     info.has_hide_mouse = true;
 169     info.has_pictures_invalid = true;
 170
 171     /* Interaction */
 172     vlc_mutex_init(&sys->lock);
 173     sys->ch_desktop = false;
 174     sys->desktop_requested = sys->use_desktop;
 175
 176     vlc_value_t val;
 177     val.psz_string = _("Desktop");
 178     var_Change(vd, "direct3d-desktop", VLC_VAR_SETTEXT, &val, NULL);
 179     var_AddCallback(vd, "direct3d-desktop", DesktopCallback, NULL);
 180
 181     /* Setup vout_display now that everything is fine */
 182     vd->fmt  = fmt;
 183     vd->info = info;
 184
 185     vd->pool    = Pool;
 186     vd->prepare = Prepare;
 187     vd->display = Display;
 188     vd->control = Control;
 189     vd->manage  = Manage;
 190
 191     /* Fix state in case of desktop mode */
 192     if (sys->use_desktop && vd->cfg->is_fullscreen)
 193         vout_display_SendEventFullscreen(vd, false);
 194
 195     return VLC_SUCCESS;
 196 error:
 197     Close(VLC_OBJECT(vd));
 198     return VLC_EGENERIC;
 199 }
 200
 201 static bool IsVistaOrAbove(void)
 202 {
 203     OSVERSIONINFO winVer;
 204     winVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 205     return GetVersionEx(&winVer) && winVer.dwMajorVersion > 5;
 206 }
 207
 208 static int OpenVideoXP(vlc_object_t *obj)
 209 {
 210     /* Windows XP or lower, make sure this module isn't the default */
 211     return IsVistaOrAbove() ? VLC_EGENERIC : Open(obj);
 212 }
 213
 214 static int OpenVideoVista(vlc_object_t *obj)
 215 {
 216     /* Windows Vista or above, make this module the default */
 217     return IsVistaOrAbove() ? Open(obj) : VLC_EGENERIC;
 218 }
 219
 220 /**
 221  * It destroyes a Direct3D vout display.
 222  */
 223 static void Close(vlc_object_t *object)
 224 {
 225     vout_display_t * vd = (vout_display_t *)object;
 226
 227     var_DelCallback(vd, "direct3d-desktop", DesktopCallback, NULL);
 228
 229     Direct3DClose(vd);
 230
 231     CommonClean(vd);
 232
 233     Direct3DDestroy(vd);
 234
 235     free(vd->sys);
 236 }
 237
 238 /* */
 239 static picture_pool_t *Pool(vout_display_t *vd, unsigned count)
 240 {
 241     VLC_UNUSED(count);
 242     return vd->sys->pool;
 243 }
 244
 245 static int  Direct3DLockSurface(picture_t *);
 246 static void Direct3DUnlockSurface(picture_t *);
 247
 248 static void Prepare(vout_display_t *vd, picture_t *picture)
 249 {
 250     LPDIRECT3DSURFACE9 surface = picture->p_sys->surface;
 251 #if 0
 252     picture_Release(picture);
 253     Direct3DRenderScene(vd, surface);
 254 #else
 255     /* FIXME it is a bit ugly, we need the surface to be unlocked for
 256      * rendering.
 257      *  The clean way would be to release the picture (and ensure that
 258      * the vout doesn't keep a reference). But because of the vout
 259      * wrapper, we can't */
 260
 261     Direct3DUnlockSurface(picture);
 262
 263     Direct3DRenderScene(vd, surface);
 264
 265     Direct3DLockSurface(picture);
 266 #endif
 267 }
 268
 269 static void Display(vout_display_t *vd, picture_t *picture)
 270 {
 271     vout_display_sys_t *sys = vd->sys;
 272     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
 273
 274     // Present the back buffer contents to the display
 275     // No stretching should happen here !
 276     const RECT src = sys->rect_dest_clipped;
 277     const RECT dst = sys->rect_dest_clipped;
 278     HRESULT hr = IDirect3DDevice9_Present(d3ddev, &src, &dst, NULL, NULL);
 279     if (FAILED(hr)) {
 280         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 281     }
 282 #if 0
 283     VLC_UNUSED(picture);
 284 #else
 285     /* XXX See Prepare() */
 286     picture_Release(picture);
 287 #endif
 288
 289     CommonDisplay(vd);
 290 }
 291 static int ControlResetDevice(vout_display_t *vd)
 292 {
 293     return Direct3DReset(vd);
 294 }
 295 static int ControlReopenDevice(vout_display_t *vd)
 296 {
 297     vout_display_sys_t *sys = vd->sys;
 298
 299     if (!sys->use_desktop) {
 300         /* Save non-desktop state */
 301         sys->desktop_save.is_fullscreen = vd->cfg->is_fullscreen;
 302         sys->desktop_save.is_on_top     = sys->is_on_top;
 303
 304         WINDOWPLACEMENT wp = { .length = sizeof(wp), };
 305         GetWindowPlacement(sys->hparent ? sys->hparent : sys->hwnd, &wp);
 306         sys->desktop_save.win = wp.rcNormalPosition;
 307     }
 308
 309     /* */
 310     Direct3DClose(vd);
 311     EventThreadStop(sys->event);
 312
 313     /* */
 314     vlc_mutex_lock(&sys->lock);
 315     sys->use_desktop = sys->desktop_requested;
 316     sys->ch_desktop = false;
 317     vlc_mutex_unlock(&sys->lock);
 318
 319     /* */
 320     event_cfg_t cfg;
 321     memset(&cfg, 0, sizeof(cfg));
 322     cfg.use_desktop = sys->use_desktop;
 323     if (!sys->use_desktop) {
 324         cfg.win.type   = VOUT_WINDOW_TYPE_HWND;
 325         cfg.win.x      = sys->desktop_save.win.left;
 326         cfg.win.y      = sys->desktop_save.win.top;
 327         cfg.win.width  = sys->desktop_save.win.right  - sys->desktop_save.win.left;
 328         cfg.win.height = sys->desktop_save.win.bottom - sys->desktop_save.win.top;
 329     }
 330
 331     event_hwnd_t hwnd;
 332     if (EventThreadStart(sys->event, &hwnd, &cfg)) {
 333         msg_Err(vd, "Failed to restart event thread");
 334         return VLC_EGENERIC;
 335     }
 336     sys->parent_window = hwnd.parent_window;
 337     sys->hparent       = hwnd.hparent;
 338     sys->hwnd          = hwnd.hwnd;
 339     sys->hvideownd     = hwnd.hvideownd;
 340     sys->hfswnd        = hwnd.hfswnd;
 341     SetRectEmpty(&sys->rect_parent);
 342
 343     /* */
 344     video_format_t fmt;
 345     if (Direct3DOpen(vd, &fmt)) {
 346         CommonClean(vd);
 347         msg_Err(vd, "Failed to reopen device");
 348         return VLC_EGENERIC;
 349     }
 350     vd->fmt = fmt;
 351     sys->is_first_display = true;
 352
 353     if (sys->use_desktop) {
 354         /* Disable fullscreen/on_top while using desktop */
 355         if (sys->desktop_save.is_fullscreen)
 356             vout_display_SendEventFullscreen(vd, false);
 357         if (sys->desktop_save.is_on_top)
 358             vout_display_SendWindowState(vd, VOUT_WINDOW_STATE_NORMAL);
 359     } else {
 360         /* Restore fullscreen/on_top */
 361         if (sys->desktop_save.is_fullscreen)
 362             vout_display_SendEventFullscreen(vd, true);
 363         if (sys->desktop_save.is_on_top)
 364             vout_display_SendWindowState(vd, VOUT_WINDOW_STATE_ABOVE);
 365     }
 366     return VLC_SUCCESS;
 367 }
 368 static int Control(vout_display_t *vd, int query, va_list args)
 369 {
 370     vout_display_sys_t *sys = vd->sys;
 371
 372     switch (query) {
 373     case VOUT_DISPLAY_RESET_PICTURES:
 374         /* FIXME what to do here in case of failure */
 375         if (sys->reset_device) {
 376             if (ControlResetDevice(vd)) {
 377                 msg_Err(vd, "Failed to reset device");
 378                 return VLC_EGENERIC;
 379             }
 380             sys->reset_device = false;
 381         } else if(sys->reopen_device) {
 382             if (ControlReopenDevice(vd)) {
 383                 msg_Err(vd, "Failed to reopen device");
 384                 return VLC_EGENERIC;
 385             }
 386             sys->reopen_device = false;
 387         }
 388         return VLC_SUCCESS;
 389     default:
 390         return CommonControl(vd, query, args);
 391     }
 392 }
 393 static void Manage (vout_display_t *vd)
 394 {
 395     vout_display_sys_t *sys = vd->sys;
 396
 397     CommonManage(vd);
 398
 399     /* Desktop mode change */
 400     vlc_mutex_lock(&sys->lock);
 401     const bool ch_desktop = sys->ch_desktop;
 402     sys->ch_desktop = false;
 403     vlc_mutex_unlock(&sys->lock);
 404
 405     if (ch_desktop) {
 406         sys->reopen_device = true;
 407         vout_display_SendEventPicturesInvalid(vd);
 408     }
 409
 410 #if 0
 411     /*
 412      * Position Change
 413      */
 414     if (sys->changes & DX_POSITION_CHANGE) {
 415 #if 0 /* need that when bicubic filter is available */
 416         RECT rect;
 417         UINT width, height;
 418
 419         GetClientRect(p_sys->hvideownd, &rect);
 420         width  = rect.right-rect.left;
 421         height = rect.bottom-rect.top;
 422
 423         if (width != p_sys->d3dpp.BackBufferWidth || height != p_sys->d3dpp.BackBufferHeight)
 424         {
 425             msg_Dbg(vd, "resizing device back buffers to (%lux%lu)", width, height);
 426             // need to reset D3D device to resize back buffer
 427             if (VLC_SUCCESS != Direct3DResetDevice(vd, width, height))
 428                 return VLC_EGENERIC;
 429         }
 430 #endif
 431         sys->changes &= ~DX_POSITION_CHANGE;
 432     }
 433 #endif
 434 }
 435
 436 /**
 437  * It initializes an instance of Direct3D9
 438  */
 439 static int Direct3DCreate(vout_display_t *vd)
 440 {
 441     vout_display_sys_t *sys = vd->sys;
 442
 443     sys->hd3d9_dll = LoadLibrary(TEXT("D3D9.DLL"));
 444     if (!sys->hd3d9_dll) {
 445         msg_Warn(vd, "cannot load d3d9.dll, aborting");
 446         return VLC_EGENERIC;
 447     }
 448
 449     LPDIRECT3D9 (WINAPI *OurDirect3DCreate9)(UINT SDKVersion);
 450     OurDirect3DCreate9 =
 451         (void *)GetProcAddress(sys->hd3d9_dll, TEXT("Direct3DCreate9"));
 452     if (!OurDirect3DCreate9) {
 453         msg_Err(vd, "Cannot locate reference to Direct3DCreate9 ABI in DLL");
 454         return VLC_EGENERIC;
 455     }
 456
 457     /* Create the D3D object. */
 458     LPDIRECT3D9 d3dobj = OurDirect3DCreate9(D3D_SDK_VERSION);
 459     if (!d3dobj) {
 460        msg_Err(vd, "Could not create Direct3D9 instance.");
 461        return VLC_EGENERIC;
 462     }
 463     sys->d3dobj = d3dobj;
 464
 465     /*
 466     ** Get device capabilities
 467     */
 468     D3DCAPS9 d3dCaps;
 469     ZeroMemory(&d3dCaps, sizeof(d3dCaps));
 470     HRESULT hr = IDirect3D9_GetDeviceCaps(d3dobj, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &d3dCaps);
 471     if (FAILED(hr)) {
 472        msg_Err(vd, "Could not read adapter capabilities. (hr=0x%lX)", hr);
 473        return VLC_EGENERIC;
 474     }
 475     /* TODO: need to test device capabilities and select the right render function */
 476
 477     return VLC_SUCCESS;
 478 }
 479
 480 /**
 481  * It releases an instance of Direct3D9
 482  */
 483 static void Direct3DDestroy(vout_display_t *vd)
 484 {
 485     vout_display_sys_t *sys = vd->sys;
 486
 487     if (sys->d3dobj)
 488        IDirect3D9_Release(sys->d3dobj);
 489     if (sys->hd3d9_dll)
 490         FreeLibrary(sys->hd3d9_dll);
 491
 492     sys->d3dobj = NULL;
 493     sys->hd3d9_dll = NULL;
 494 }
 495
 496
 497 /**
 498  * It setup vout_display_sys_t::d3dpp and vout_display_sys_t::rect_display
 499  * from the default adapter.
 500  */
 501 static int Direct3DFillPresentationParameters(vout_display_t *vd)
 502 {
 503     vout_display_sys_t *sys = vd->sys;
 504
 505     /*
 506     ** Get the current desktop display mode, so we can set up a back
 507     ** buffer of the same format
 508     */
 509     D3DDISPLAYMODE d3ddm;
 510     HRESULT hr = IDirect3D9_GetAdapterDisplayMode(sys->d3dobj,
 511                                                   D3DADAPTER_DEFAULT, &d3ddm);
 512     if (FAILED(hr)) {
 513        msg_Err(vd, "Could not read adapter display mode. (hr=0x%lX)", hr);
 514        return VLC_EGENERIC;
 515     }
 516
 517     /* Set up the structure used to create the D3DDevice. */
 518     D3DPRESENT_PARAMETERS *d3dpp = &vd->sys->d3dpp;
 519     ZeroMemory(d3dpp, sizeof(D3DPRESENT_PARAMETERS));
 520     d3dpp->Flags                  = D3DPRESENTFLAG_VIDEO;
 521     d3dpp->Windowed               = TRUE;
 522     d3dpp->hDeviceWindow          = vd->sys->hvideownd;
 523     d3dpp->BackBufferWidth        = __MAX(GetSystemMetrics(SM_CXVIRTUALSCREEN),
 524                                           d3ddm.Width);
 525     d3dpp->BackBufferHeight       = __MAX(GetSystemMetrics(SM_CYVIRTUALSCREEN),
 526                                           d3ddm.Height);
 527     d3dpp->SwapEffect             = D3DSWAPEFFECT_COPY;
 528     d3dpp->MultiSampleType        = D3DMULTISAMPLE_NONE;
 529     d3dpp->PresentationInterval   = D3DPRESENT_INTERVAL_DEFAULT;
 530     d3dpp->BackBufferFormat       = d3ddm.Format;
 531     d3dpp->BackBufferCount        = 1;
 532     d3dpp->EnableAutoDepthStencil = FALSE;
 533
 534     /* */
 535     RECT *display = &vd->sys->rect_display;
 536     display->left   = 0;
 537     display->top    = 0;
 538     display->right  = d3dpp->BackBufferWidth;
 539     display->bottom = d3dpp->BackBufferHeight;
 540
 541     return VLC_SUCCESS;
 542 }
 543
 544 /* */
 545 static int  Direct3DCreateResources (vout_display_t *, video_format_t *);
 546 static void Direct3DDestroyResources(vout_display_t *);
 547
 548 /**
 549  * It creates a Direct3D device and the associated resources.
 550  */
 551 static int Direct3DOpen(vout_display_t *vd, video_format_t *fmt)
 552 {
 553     vout_display_sys_t *sys = vd->sys;
 554     LPDIRECT3D9 d3dobj = sys->d3dobj;
 555
 556     if (Direct3DFillPresentationParameters(vd))
 557         return VLC_EGENERIC;
 558
 559     // Create the D3DDevice
 560     LPDIRECT3DDEVICE9 d3ddev;
 561     HRESULT hr = IDirect3D9_CreateDevice(d3dobj, D3DADAPTER_DEFAULT,
 562                                          D3DDEVTYPE_HAL, sys->hvideownd,
 563                                          D3DCREATE_SOFTWARE_VERTEXPROCESSING|
 564                                          D3DCREATE_MULTITHREADED,
 565                                          &sys->d3dpp, &d3ddev);
 566     if (FAILED(hr)) {
 567        msg_Err(vd, "Could not create the D3D device! (hr=0x%lX)", hr);
 568        return VLC_EGENERIC;
 569     }
 570     sys->d3ddev = d3ddev;
 571
 572     UpdateRects(vd, NULL, NULL, true);
 573
 574     if (Direct3DCreateResources(vd, fmt)) {
 575         msg_Err(vd, "Failed to allocate resources");
 576         return VLC_EGENERIC;
 577     }
 578
 579     /* Change the window title bar text */
 580     EventThreadUpdateTitle(sys->event, VOUT_TITLE " (Direct3D output)");
 581
 582     msg_Dbg(vd, "Direct3D device adapter successfully initialized");
 583     return VLC_SUCCESS;
 584 }
 585
 586 /**
 587  * It releases the Direct3D9 device and its resources.
 588  */
 589 static void Direct3DClose(vout_display_t *vd)
 590 {
 591     vout_display_sys_t *sys = vd->sys;
 592
 593     Direct3DDestroyResources(vd);
 594
 595     if (sys->d3ddev)
 596        IDirect3DDevice9_Release(sys->d3ddev);
 597
 598     sys->d3ddev = NULL;
 599 }
 600
 601 /**
 602  * It reset the Direct3D9 device and its resources.
 603  */
 604 static int Direct3DReset(vout_display_t *vd)
 605 {
 606     vout_display_sys_t *sys = vd->sys;
 607     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
 608
 609     if (Direct3DFillPresentationParameters(vd))
 610         return VLC_EGENERIC;
 611
 612     /* release all D3D objects */
 613     Direct3DDestroyResources(vd);
 614
 615     /* */
 616     HRESULT hr = IDirect3DDevice9_Reset(d3ddev, &sys->d3dpp);
 617     if (FAILED(hr)) {
 618         msg_Err(vd, "%s failed ! (hr=%08lX)", __FUNCTION__, hr);
 619         return VLC_EGENERIC;
 620     }
 621
 622     UpdateRects(vd, NULL, NULL, true);
 623
 624     /* re-create them */
 625     if (Direct3DCreateResources(vd, &vd->fmt)) {
 626         msg_Dbg(vd, "%s failed !", __FUNCTION__);
 627         return VLC_EGENERIC;
 628     }
 629     return VLC_SUCCESS;
 630 }
 631
 632 /* */
 633 static int  Direct3DCreatePool(vout_display_t *vd, video_format_t *fmt);
 634 static void Direct3DDestroyPool(vout_display_t *vd);
 635
 636 static int  Direct3DCreateScene(vout_display_t *vd);
 637 static void Direct3DDestroyScene(vout_display_t *vd);
 638
 639 /**
 640  * It creates the picture and scene resources.
 641  */
 642 static int Direct3DCreateResources(vout_display_t *vd, video_format_t *fmt)
 643 {
 644     if (Direct3DCreatePool(vd, fmt)) {
 645         msg_Err(vd, "Direct3D picture pool initialization failed");
 646         return VLC_EGENERIC;
 647     }
 648     if (Direct3DCreateScene(vd)) {
 649         msg_Err(vd, "Direct3D scene initialization failed !");
 650         return VLC_EGENERIC;
 651     }
 652     return VLC_SUCCESS;
 653 }
 654 /**
 655  * It destroys the picture and scene resources.
 656  */
 657 static void Direct3DDestroyResources(vout_display_t *vd)
 658 {
 659     Direct3DDestroyScene(vd);
 660     Direct3DDestroyPool(vd);
 661 }
 662
 663 /**
 664  * It tests if the conversion from src to dst is supported.
 665  */
 666 static int Direct3DCheckConversion(vout_display_t *vd,
 667                                    D3DFORMAT src, D3DFORMAT dst)
 668 {
 669     vout_display_sys_t *sys = vd->sys;
 670     LPDIRECT3D9 d3dobj = sys->d3dobj;
 671     HRESULT hr;
 672
 673     /* test whether device can create a surface of that format */
 674     hr = IDirect3D9_CheckDeviceFormat(d3dobj, D3DADAPTER_DEFAULT,
 675                                       D3DDEVTYPE_HAL, dst, 0,
 676                                       D3DRTYPE_SURFACE, src);
 677     if (SUCCEEDED(hr)) {
 678         /* test whether device can perform color-conversion
 679         ** from that format to target format
 680         */
 681         hr = IDirect3D9_CheckDeviceFormatConversion(d3dobj,
 682                                                     D3DADAPTER_DEFAULT,
 683                                                     D3DDEVTYPE_HAL,
 684                                                     src, dst);
 685     }
 686     if (!SUCCEEDED(hr)) {
 687         if (D3DERR_NOTAVAILABLE != hr)
 688             msg_Err(vd, "Could not query adapter supported formats. (hr=0x%lX)", hr);
 689         return VLC_EGENERIC;
 690     }
 691     return VLC_SUCCESS;
 692 }
 693
 694 typedef struct
 695 {
 696     const char   *name;
 697     D3DFORMAT    format;    /* D3D format */
 698     vlc_fourcc_t fourcc;    /* VLC fourcc */
 699     uint32_t     rmask;
 700     uint32_t     gmask;
 701     uint32_t     bmask;
 702 } d3d_format_t;
 703
 704 static const d3d_format_t d3d_formats[] = {
 705     /* YV12 is always used for planar 420, the planes are then swapped in Lock() */
 706     { "YV12",       MAKEFOURCC('Y','V','1','2'),    VLC_CODEC_YV12,  0,0,0 },
 707     { "YV12",       MAKEFOURCC('Y','V','1','2'),    VLC_CODEC_I420,  0,0,0 },
 708     { "YV12",       MAKEFOURCC('Y','V','1','2'),    VLC_CODEC_J420,  0,0,0 },
 709     { "UYVY",       D3DFMT_UYVY,    VLC_CODEC_UYVY,  0,0,0 },
 710     { "YUY2",       D3DFMT_YUY2,    VLC_CODEC_YUYV,  0,0,0 },
 711     { "X8R8G8B8",   D3DFMT_X8R8G8B8,VLC_CODEC_RGB32, 0xff0000, 0x00ff00, 0x0000ff },
 712     { "A8R8G8B8",   D3DFMT_A8R8G8B8,VLC_CODEC_RGB32, 0xff0000, 0x00ff00, 0x0000ff },
 713     { "8G8B8",      D3DFMT_R8G8B8,  VLC_CODEC_RGB24, 0xff0000, 0x00ff00, 0x0000ff },
 714     { "R5G6B5",     D3DFMT_R5G6B5,  VLC_CODEC_RGB16, 0x1f<<11, 0x3f<<5,  0x1f<<0 },
 715     { "X1R5G5B5",   D3DFMT_X1R5G5B5,VLC_CODEC_RGB15, 0x1f<<10, 0x1f<<5,  0x1f<<0 },
 716
 717     { NULL, 0, 0, 0,0,0}
 718 };
 719
 720 /**
 721  * It returns the format (closest to chroma) that can be converted to target */
 722 static const d3d_format_t *Direct3DFindFormat(vout_display_t *vd, vlc_fourcc_t chroma, D3DFORMAT target)
 723 {
 724     vout_display_sys_t *sys = vd->sys;
 725
 726     for (unsigned pass = 0; pass < 2; pass++) {
 727         const vlc_fourcc_t *list;
 728
 729         if (pass == 0 && sys->allow_hw_yuv && vlc_fourcc_IsYUV(chroma))
 730             list = vlc_fourcc_GetYUVFallback(chroma);
 731         else if (pass == 1)
 732             list = vlc_fourcc_GetRGBFallback(chroma);
 733         else
 734             continue;
 735
 736         for (unsigned i = 0; list[i] != 0; i++) {
 737             for (unsigned j = 0; d3d_formats[j].name; j++) {
 738                 const d3d_format_t *format = &d3d_formats[j];
 739
 740                 if (format->fourcc != list[i])
 741                     continue;
 742
 743                 msg_Warn(vd, "trying surface pixel format: %s",
 744                          format->name);
 745                 if (!Direct3DCheckConversion(vd, format->format, target)) {
 746                     msg_Dbg(vd, "selected surface pixel format is %s",
 747                             format->name);
 748                     return format;
 749                 }
 750             }
 751         }
 752     }
 753     return NULL;
 754 }
 755
 756 /**
 757  * It locks the surface associated to the picture and get the surface
 758  * descriptor which amongst other things has the pointer to the picture
 759  * data and its pitch.
 760  */
 761 static int Direct3DLockSurface(picture_t *picture)
 762 {
 763     /* Lock the surface to get a valid pointer to the picture buffer */
 764     D3DLOCKED_RECT d3drect;
 765     HRESULT hr = IDirect3DSurface9_LockRect(picture->p_sys->surface, &d3drect, NULL, 0);
 766     if (FAILED(hr)) {
 767         //msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 768         return VLC_EGENERIC;
 769     }
 770
 771     /* fill in buffer info in first plane */
 772     picture->p->p_pixels = d3drect.pBits;
 773     picture->p->i_pitch  = d3drect.Pitch;
 774
 775     /*  Fill chroma planes for planar YUV */
 776     if (picture->format.i_chroma == VLC_CODEC_I420 ||
 777         picture->format.i_chroma == VLC_CODEC_J420 ||
 778         picture->format.i_chroma == VLC_CODEC_YV12) {
 779
 780         for (int n = 1; n < picture->i_planes; n++) {
 781             const plane_t *o = &picture->p[n-1];
 782             plane_t *p = &picture->p[n];
 783
 784             p->p_pixels = o->p_pixels + o->i_lines * o->i_pitch;
 785             p->i_pitch  = d3drect.Pitch / 2;
 786         }
 787         /* The d3d buffer is always allocated as YV12 */
 788         if (vlc_fourcc_AreUVPlanesSwapped(picture->format.i_chroma, VLC_CODEC_YV12)) {
 789             uint8_t *p_tmp = picture->p[1].p_pixels;
 790             picture->p[1].p_pixels = picture->p[2].p_pixels;
 791             picture->p[2].p_pixels = p_tmp;
 792         }
 793     }
 794     return VLC_SUCCESS;
 795 }
 796 /**
 797  * It unlocks the surface associated to the picture.
 798  */
 799 static void Direct3DUnlockSurface(picture_t *picture)
 800 {
 801     /* Unlock the Surface */
 802     HRESULT hr = IDirect3DSurface9_UnlockRect(picture->p_sys->surface);
 803     if (FAILED(hr)) {
 804         //msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 805     }
 806 }
 807
 808 /**
 809  * It creates the pool of picture (only 1).
 810  *
 811  * Each picture has an associated offscreen surface in video memory
 812  * depending on hardware capabilities the picture chroma will be as close
 813  * as possible to the orginal render chroma to reduce CPU conversion overhead
 814  * and delegate this work to video card GPU
 815  */
 816 static int Direct3DCreatePool(vout_display_t *vd, video_format_t *fmt)
 817 {
 818     vout_display_sys_t *sys = vd->sys;
 819     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
 820
 821     /* */
 822     *fmt = vd->source;
 823
 824     /* Find the appropriate D3DFORMAT for the render chroma, the format will be the closest to
 825      * the requested chroma which is usable by the hardware in an offscreen surface, as they
 826      * typically support more formats than textures */
 827     const d3d_format_t *d3dfmt = Direct3DFindFormat(vd, fmt->i_chroma, sys->d3dpp.BackBufferFormat);
 828     if (!d3dfmt) {
 829         msg_Err(vd, "surface pixel format is not supported.");
 830         return VLC_EGENERIC;
 831     }
 832     fmt->i_chroma = d3dfmt->fourcc;
 833     fmt->i_rmask  = d3dfmt->rmask;
 834     fmt->i_gmask  = d3dfmt->gmask;
 835     fmt->i_bmask  = d3dfmt->bmask;
 836
 837     /* We create one picture.
 838      * It is useless to create more as we can't be used for direct rendering */
 839
 840     /* Create a surface */
 841     LPDIRECT3DSURFACE9 surface;
 842     HRESULT hr = IDirect3DDevice9_CreateOffscreenPlainSurface(d3ddev,
 843                                                               fmt->i_width,
 844                                                               fmt->i_height,
 845                                                               d3dfmt->format,
 846                                                               D3DPOOL_DEFAULT,
 847                                                               &surface,
 848                                                               NULL);
 849     if (FAILED(hr)) {
 850         msg_Err(vd, "Failed to create picture surface. (hr=0x%lx)", hr);
 851         return VLC_EGENERIC;
 852     }
 853     /* fill surface with black color */
 854     IDirect3DDevice9_ColorFill(d3ddev, surface, NULL, D3DCOLOR_ARGB(0xFF, 0, 0, 0));
 855
 856     /* Create the associated picture */
 857     picture_resource_t *rsc = &sys->resource;
 858     rsc->p_sys = malloc(sizeof(*rsc->p_sys));
 859     if (!rsc->p_sys) {
 860         IDirect3DSurface9_Release(surface);
 861         return VLC_ENOMEM;
 862     }
 863     rsc->p_sys->surface = surface;
 864     for (int i = 0; i < PICTURE_PLANE_MAX; i++) {
 865         rsc->p[i].p_pixels = NULL;
 866         rsc->p[i].i_pitch = 0;
 867         rsc->p[i].i_lines = fmt->i_height / (i > 0 ? 2 : 1);
 868     }
 869     picture_t *picture = picture_NewFromResource(fmt, rsc);
 870     if (!picture) {
 871         IDirect3DSurface9_Release(surface);
 872         free(rsc->p_sys);
 873         return VLC_ENOMEM;
 874     }
 875
 876     /* Wrap it into a picture pool */
 877     picture_pool_configuration_t pool_cfg;
 878     memset(&pool_cfg, 0, sizeof(pool_cfg));
 879     pool_cfg.picture_count = 1;
 880     pool_cfg.picture       = &picture;
 881     pool_cfg.lock          = Direct3DLockSurface;
 882     pool_cfg.unlock        = Direct3DUnlockSurface;
 883
 884     sys->pool = picture_pool_NewExtended(&pool_cfg);
 885     if (!sys->pool) {
 886         picture_Release(picture);
 887         IDirect3DSurface9_Release(surface);
 888         return VLC_ENOMEM;
 889     }
 890     return VLC_SUCCESS;
 891 }
 892 /**
 893  * It destroys the pool of picture and its resources.
 894  */
 895 static void Direct3DDestroyPool(vout_display_t *vd)
 896 {
 897     vout_display_sys_t *sys = vd->sys;
 898
 899     if (sys->pool) {
 900         picture_resource_t *rsc = &sys->resource;
 901         IDirect3DSurface9_Release(rsc->p_sys->surface);
 902
 903         picture_pool_Delete(sys->pool);
 904     }
 905     sys->pool = NULL;
 906 }
 907
 908 /* */
 909 typedef struct
 910 {
 911     FLOAT       x,y,z;      // vertex untransformed position
 912     FLOAT       rhw;        // eye distance
 913     D3DCOLOR    diffuse;    // diffuse color
 914     FLOAT       tu, tv;     // texture relative coordinates
 915 } CUSTOMVERTEX;
 916
 917 #define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZRHW|D3DFVF_DIFFUSE|D3DFVF_TEX1)
 918
 919 /**
 920  * It allocates and initializes the resources needed to render the scene.
 921  */
 922 static int Direct3DCreateScene(vout_display_t *vd)
 923 {
 924     vout_display_sys_t *sys = vd->sys;
 925     LPDIRECT3DDEVICE9       d3ddev = sys->d3ddev;
 926     HRESULT hr;
 927
 928     /*
 929      * Create a texture for use when rendering a scene
 930      * for performance reason, texture format is identical to backbuffer
 931      * which would usually be a RGB format
 932      */
 933     LPDIRECT3DTEXTURE9 d3dtex;
 934     hr = IDirect3DDevice9_CreateTexture(d3ddev,
 935                                         sys->d3dpp.BackBufferWidth,
 936                                         sys->d3dpp.BackBufferHeight,
 937                                         1,
 938                                         D3DUSAGE_RENDERTARGET,
 939                                         sys->d3dpp.BackBufferFormat,
 940                                         D3DPOOL_DEFAULT,
 941                                         &d3dtex,
 942                                         NULL);
 943     if (FAILED(hr)) {
 944         msg_Err(vd, "Failed to create texture. (hr=0x%lx)", hr);
 945         return VLC_EGENERIC;
 946     }
 947
 948     /*
 949     ** Create a vertex buffer for use when rendering scene
 950     */
 951     LPDIRECT3DVERTEXBUFFER9 d3dvtc;
 952     hr = IDirect3DDevice9_CreateVertexBuffer(d3ddev,
 953                                              sizeof(CUSTOMVERTEX)*4,
 954                                              D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY,
 955                                              D3DFVF_CUSTOMVERTEX,
 956                                              D3DPOOL_DEFAULT,
 957                                              &d3dvtc,
 958                                              NULL);
 959     if (FAILED(hr)) {
 960         msg_Err(vd, "Failed to create vertex buffer. (hr=0x%lx)", hr);
 961         IDirect3DTexture9_Release(d3dtex);
 962         return VLC_EGENERIC;
 963     }
 964
 965     /* */
 966     sys->d3dtex = d3dtex;
 967     sys->d3dvtc = d3dvtc;
 968
 969     // Texture coordinates outside the range [0.0, 1.0] are set
 970     // to the texture color at 0.0 or 1.0, respectively.
 971     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
 972     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
 973
 974     // Set linear filtering quality
 975     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
 976     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
 977
 978     // set maximum ambient light
 979     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_AMBIENT, D3DCOLOR_XRGB(255,255,255));
 980
 981     // Turn off culling
 982     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_CULLMODE, D3DCULL_NONE);
 983
 984     // Turn off the zbuffer
 985     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ZENABLE, D3DZB_FALSE);
 986
 987     // Turn off lights
 988     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_LIGHTING, FALSE);
 989
 990     // Enable dithering
 991     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_DITHERENABLE, TRUE);
 992
 993     // disable stencil
 994     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_STENCILENABLE, FALSE);
 995
 996     // manage blending
 997     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHABLENDENABLE, TRUE);
 998     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_SRCBLEND,D3DBLEND_SRCALPHA);
 999     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_DESTBLEND,D3DBLEND_INVSRCALPHA);
1000     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHATESTENABLE,TRUE);
1001     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHAREF, 0x10);
1002     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHAFUNC,D3DCMP_GREATER);
1003
1004     // Set texture states
1005     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_COLOROP,D3DTOP_MODULATE);
1006     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_COLORARG1,D3DTA_TEXTURE);
1007     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_COLORARG2,D3DTA_DIFFUSE);
1008
1009     // turn off alpha operation
1010     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
1011
1012     msg_Dbg(vd, "Direct3D scene created successfully");
1013
1014     return VLC_SUCCESS;
1015 }
1016
1017 /**
1018  * It releases the scene resources.
1019  */
1020 static void Direct3DDestroyScene(vout_display_t *vd)
1021 {
1022     vout_display_sys_t *sys = vd->sys;
1023
1024     LPDIRECT3DVERTEXBUFFER9 d3dvtc = sys->d3dvtc;
1025     if (d3dvtc)
1026         IDirect3DVertexBuffer9_Release(d3dvtc);
1027
1028     LPDIRECT3DTEXTURE9 d3dtex = sys->d3dtex;
1029     if (d3dtex)
1030         IDirect3DTexture9_Release(d3dtex);
1031
1032     sys->d3dvtc = NULL;
1033     sys->d3dtex = NULL;
1034     msg_Dbg(vd, "Direct3D scene released successfully");
1035 }
1036
1037 /**
1038  * It copies picture surface into a texture and renders into a scene.
1039  *
1040  * This function is intented for higher end 3D cards, with pixel shader support
1041  * and at least 64 MiB of video RAM.
1042  */
1043 static void Direct3DRenderScene(vout_display_t *vd, LPDIRECT3DSURFACE9 surface)
1044 {
1045     vout_display_sys_t *sys = vd->sys;
1046     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
1047     HRESULT hr;
1048
1049     // check if device is still available
1050     hr = IDirect3DDevice9_TestCooperativeLevel(d3ddev);
1051     if (FAILED(hr)) {
1052         if (hr == D3DERR_DEVICENOTRESET && !sys->reset_device) {
1053             vout_display_SendEventPicturesInvalid(vd);
1054             sys->reset_device = true;
1055         }
1056         return;
1057     }
1058     /* */
1059     LPDIRECT3DTEXTURE9      d3dtex  = sys->d3dtex;
1060     LPDIRECT3DVERTEXBUFFER9 d3dvtc  = sys->d3dvtc;
1061
1062     /* Clear the backbuffer and the zbuffer */
1063     hr = IDirect3DDevice9_Clear(d3ddev, 0, NULL, D3DCLEAR_TARGET,
1064                               D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0);
1065     if (FAILED(hr)) {
1066         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1067         return;
1068     }
1069     /*  retrieve picture surface */
1070     LPDIRECT3DSURFACE9 d3dsrc = surface;
1071     if (!d3dsrc) {
1072         msg_Dbg(vd, "no surface to render ?");
1073         return;
1074     }
1075
1076     /* retrieve texture top-level surface */
1077     LPDIRECT3DSURFACE9 d3ddest;
1078     hr = IDirect3DTexture9_GetSurfaceLevel(d3dtex, 0, &d3ddest);
1079     if (FAILED(hr)) {
1080         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1081         return;
1082     }
1083
1084     /* Copy picture surface into texture surface
1085      * color space conversion and scaling happen here */
1086     RECT src = vd->sys->rect_src_clipped;
1087     RECT dst = vd->sys->rect_dest_clipped;
1088
1089     hr = IDirect3DDevice9_StretchRect(d3ddev, d3dsrc, &src, d3ddest, &dst, D3DTEXF_LINEAR);
1090     IDirect3DSurface9_Release(d3ddest);
1091     if (FAILED(hr)) {
1092         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1093         return;
1094     }
1095
1096     /* Update the vertex buffer */
1097     CUSTOMVERTEX *vertices;
1098     hr = IDirect3DVertexBuffer9_Lock(d3dvtc, 0, 0, &vertices, D3DLOCK_DISCARD);
1099     if (FAILED(hr)) {
1100         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1101         return;
1102     }
1103
1104     /* Setup vertices */
1105     const float f_width  = vd->sys->d3dpp.BackBufferWidth;
1106     const float f_height = vd->sys->d3dpp.BackBufferHeight;
1107
1108     /* -0.5f is a "feature" of DirectX and it seems to apply to Direct3d also */
1109     /* http://www.sjbrown.co.uk/2003/05/01/fix-directx-rasterisation/ */
1110     vertices[0].x       = -0.5f;       // left
1111     vertices[0].y       = -0.5f;       // top
1112     vertices[0].z       = 0.0f;
1113     vertices[0].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1114     vertices[0].rhw     = 1.0f;
1115     vertices[0].tu      = 0.0f;
1116     vertices[0].tv      = 0.0f;
1117
1118     vertices[1].x       = f_width - 0.5f;    // right
1119     vertices[1].y       = -0.5f;       // top
1120     vertices[1].z       = 0.0f;
1121     vertices[1].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1122     vertices[1].rhw     = 1.0f;
1123     vertices[1].tu      = 1.0f;
1124     vertices[1].tv      = 0.0f;
1125
1126     vertices[2].x       = f_width - 0.5f;    // right
1127     vertices[2].y       = f_height - 0.5f;   // bottom
1128     vertices[2].z       = 0.0f;
1129     vertices[2].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1130     vertices[2].rhw     = 1.0f;
1131     vertices[2].tu      = 1.0f;
1132     vertices[2].tv      = 1.0f;
1133
1134     vertices[3].x       = -0.5f;       // left
1135     vertices[3].y       = f_height - 0.5f;   // bottom
1136     vertices[3].z       = 0.0f;
1137     vertices[3].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1138     vertices[3].rhw     = 1.0f;
1139     vertices[3].tu      = 0.0f;
1140     vertices[3].tv      = 1.0f;
1141
1142     hr= IDirect3DVertexBuffer9_Unlock(d3dvtc);
1143     if (FAILED(hr)) {
1144         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1145         return;
1146     }
1147
1148     // Begin the scene
1149     hr = IDirect3DDevice9_BeginScene(d3ddev);
1150     if (FAILED(hr)) {
1151         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1152         return;
1153     }
1154
1155     // Setup our texture. Using textures introduces the texture stage states,
1156     // which govern how textures get blended together (in the case of multiple
1157     // textures) and lighting information. In this case, we are modulating
1158     // (blending) our texture with the diffuse color of the vertices.
1159     hr = IDirect3DDevice9_SetTexture(d3ddev, 0, (LPDIRECT3DBASETEXTURE9)d3dtex);
1160     if (FAILED(hr)) {
1161         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1162         IDirect3DDevice9_EndScene(d3ddev);
1163         return;
1164     }
1165
1166     // Render the vertex buffer contents
1167     hr = IDirect3DDevice9_SetStreamSource(d3ddev, 0, d3dvtc, 0, sizeof(CUSTOMVERTEX));
1168     if (FAILED(hr)) {
1169         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1170         IDirect3DDevice9_EndScene(d3ddev);
1171         return;
1172     }
1173
1174     // we use FVF instead of vertex shader
1175     hr = IDirect3DDevice9_SetFVF(d3ddev, D3DFVF_CUSTOMVERTEX);
1176     if (FAILED(hr)) {
1177         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1178         IDirect3DDevice9_EndScene(d3ddev);
1179         return;
1180     }
1181
1182     // draw rectangle
1183     hr = IDirect3DDevice9_DrawPrimitive(d3ddev, D3DPT_TRIANGLEFAN, 0, 2);
1184     if (FAILED(hr)) {
1185         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1186         IDirect3DDevice9_EndScene(d3ddev);
1187         return;
1188     }
1189
1190     // End the scene
1191     hr = IDirect3DDevice9_EndScene(d3ddev);
1192     if (FAILED(hr)) {
1193         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1194         return;
1195     }
1196 }
1197
1198 /*****************************************************************************
1199  * DesktopCallback: desktop mode variable callback
1200  *****************************************************************************/
1201 static int DesktopCallback(vlc_object_t *object, char const *psz_cmd,
1202                             vlc_value_t oldval, vlc_value_t newval,
1203                             void *p_data)
1204 {
1205     vout_display_t *vd = (vout_display_t *)object;
1206     vout_display_sys_t *sys = vd->sys;
1207     VLC_UNUSED(psz_cmd);
1208     VLC_UNUSED(oldval);
1209     VLC_UNUSED(p_data);
1210
1211     vlc_mutex_lock(&sys->lock);
1212     const bool ch_desktop = !sys->desktop_requested != !newval.b_bool;
1213     sys->ch_desktop |= ch_desktop;
1214     sys->desktop_requested = newval.b_bool;
1215     vlc_mutex_unlock(&sys->lock);
1216
1217     /* FIXME we should have a way to export variable to be saved */
1218     if (ch_desktop) {
1219         playlist_t *p_playlist = pl_Get(vd);
1220         /* Modify playlist as well because the vout might have to be
1221          * restarted */
1222         var_Create(p_playlist, "direct3d-desktop", VLC_VAR_BOOL);
1223         var_SetBool(p_playlist, "direct3d-desktop", newval.b_bool);
1224     }
1225     return VLC_SUCCESS;
1226 }