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 vlc_module_begin ()
  62     set_shortname("Direct3D")
  63     set_category(CAT_VIDEO)
  64     set_subcategory(SUBCAT_VIDEO_VOUT)
  65
  66     add_bool("direct3d-desktop", false, NULL, DESKTOP_TEXT, DESKTOP_LONGTEXT, true)
  67
  68     set_description(N_("DirectX 3D video output"))
  69     set_capability("vout display", 70)
  70     add_shortcut("direct3d_xp")
  71     set_callbacks(OpenVideoXP, Close)
  72
  73     /* FIXME: Hack to avoid unregistering our window class */
  74     linked_with_a_crap_library_which_uses_atexit()
  75
  76     add_submodule()
  77         set_capability("vout display", 150)
  78         add_shortcut("direct3d_vista")
  79         set_callbacks(OpenVideoVista, Close)
  80 vlc_module_end ()
  81
  82 #if 0 /* FIXME */
  83     /* check if we registered a window class because we need to
  84      * unregister it */
  85     WNDCLASS wndclass;
  86     if (GetClassInfo(GetModuleHandle(NULL), "VLC DirectX", &wndclass))
  87         UnregisterClass("VLC DirectX", GetModuleHandle(NULL));
  88 #endif
  89
  90 /*****************************************************************************
  91  * Local prototypes.
  92  *****************************************************************************/
  93 struct picture_sys_t
  94 {
  95     LPDIRECT3DSURFACE9 surface;
  96 };
  97
  98 static int  Open(vlc_object_t *);
  99
 100 static picture_t *Get    (vout_display_t *);
 101 static void       Prepare(vout_display_t *, picture_t *);
 102 static void       Display(vout_display_t *, picture_t *);
 103 static int        Control(vout_display_t *, int, va_list);
 104 static void       Manage (vout_display_t *);
 105
 106 static int  Direct3DCreate (vout_display_t *);
 107 static int  Direct3DReset  (vout_display_t *);
 108 static void Direct3DDestroy(vout_display_t *);
 109
 110 static int  Direct3DOpen (vout_display_t *, video_format_t *);
 111 static void Direct3DClose(vout_display_t *);
 112
 113 static void Direct3DRenderScene(vout_display_t *vd, LPDIRECT3DSURFACE9 surface);
 114
 115 /* */
 116 static int DesktopCallback(vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void *);
 117
 118 /**
 119  * It creates a Direct3D vout display.
 120  */
 121 static int Open(vlc_object_t *object)
 122 {
 123     vout_display_t *vd = (vout_display_t *)object;
 124     vout_display_sys_t *sys;
 125
 126     /* Allocate structure */
 127     vd->sys = sys = calloc(1, sizeof(vout_display_sys_t));
 128     if (!sys)
 129         return VLC_ENOMEM;
 130
 131     if (Direct3DCreate(vd)) {
 132         msg_Err(vd, "Direct3D could not be initialized");
 133         Direct3DDestroy(vd);
 134         free(sys);
 135         return VLC_EGENERIC;
 136     }
 137
 138     sys->use_desktop = var_CreateGetBool(vd, "direct3d-desktop");
 139     sys->reset_device = false;
 140     sys->reset_device = false;
 141     sys->allow_hw_yuv = var_CreateGetBool(vd, "directx-hw-yuv");
 142     sys->desktop_save.is_fullscreen = vd->cfg->is_fullscreen;
 143     sys->desktop_save.is_on_top     = false;
 144     sys->desktop_save.win.left      = 0;
 145     sys->desktop_save.win.right     = vd->cfg->display.width;
 146     sys->desktop_save.win.top       = 0;
 147     sys->desktop_save.win.bottom    = vd->cfg->display.height;
 148
 149     if (CommonInit(vd))
 150         goto error;
 151
 152     /* */
 153     video_format_t fmt;
 154     if (Direct3DOpen(vd, &fmt)) {
 155         msg_Err(vd, "Direct3D could not be opened");
 156         goto error;
 157     }
 158
 159     /* */
 160     vout_display_info_t info = vd->info;
 161     info.is_slow = true;
 162     info.has_double_click = true;
 163     info.has_hide_mouse = true;
 164     info.has_pictures_invalid = true;
 165
 166     /* Interaction */
 167     vlc_mutex_init(&sys->lock);
 168     sys->ch_desktop = false;
 169     sys->desktop_requested = sys->use_desktop;
 170
 171     vlc_value_t val;
 172     val.psz_string = _("Desktop");
 173     var_Change(vd, "direct3d-desktop", VLC_VAR_SETTEXT, &val, NULL);
 174     var_AddCallback(vd, "direct3d-desktop", DesktopCallback, NULL);
 175
 176     /* Setup vout_display now that everything is fine */
 177     vd->fmt  = fmt;
 178     vd->info = info;
 179
 180     vd->get     = Get;
 181     vd->prepare = Prepare;
 182     vd->display = Display;
 183     vd->control = Control;
 184     vd->manage  = Manage;
 185
 186     /* Fix state in case of desktop mode */
 187     if (sys->use_desktop && vd->cfg->is_fullscreen)
 188         vout_display_SendEventFullscreen(vd, false);
 189
 190     return VLC_SUCCESS;
 191 error:
 192     Close(VLC_OBJECT(vd));
 193     return VLC_EGENERIC;
 194 }
 195
 196 static bool IsVistaOrAbove(void)
 197 {
 198     OSVERSIONINFO winVer;
 199     winVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 200     return GetVersionEx(&winVer) && winVer.dwMajorVersion > 5;
 201 }
 202
 203 static int OpenVideoXP(vlc_object_t *obj)
 204 {
 205     /* Windows XP or lower, make sure this module isn't the default */
 206     return IsVistaOrAbove() ? VLC_EGENERIC : Open(obj);
 207 }
 208
 209 static int OpenVideoVista(vlc_object_t *obj)
 210 {
 211     /* Windows Vista or above, make this module the default */
 212     return IsVistaOrAbove() ? Open(obj) : VLC_EGENERIC;
 213 }
 214
 215 /**
 216  * It destroyes a Direct3D vout display.
 217  */
 218 static void Close(vlc_object_t *object)
 219 {
 220     vout_display_t * vd = (vout_display_t *)object;
 221
 222     var_DelCallback(vd, "direct3d-desktop", DesktopCallback, NULL);
 223
 224     Direct3DClose(vd);
 225
 226     CommonClean(vd);
 227
 228     Direct3DDestroy(vd);
 229
 230     free(vd->sys);
 231 }
 232
 233 /* */
 234 static picture_t *Get(vout_display_t *vd)
 235 {
 236     vout_display_sys_t *sys = vd->sys;
 237
 238     if (!sys->pool)
 239         return NULL;
 240     return picture_pool_Get(sys->pool);
 241 }
 242
 243 static int  Direct3DLockSurface(picture_t *);
 244 static void Direct3DUnlockSurface(picture_t *);
 245
 246 static void Prepare(vout_display_t *vd, picture_t *picture)
 247 {
 248     LPDIRECT3DSURFACE9 surface = picture->p_sys->surface;
 249 #if 0
 250     picture_Release(picture);
 251     Direct3DRenderScene(vd, surface);
 252 #else
 253     /* FIXME it is a bit ugly, we need the surface to be unlocked for
 254      * rendering.
 255      *  The clean way would be to release the picture (and ensure that
 256      * the vout doesn't keep a reference). But because of the vout
 257      * wrapper, we can't */
 258
 259     Direct3DUnlockSurface(picture);
 260
 261     Direct3DRenderScene(vd, surface);
 262
 263     Direct3DLockSurface(picture);
 264 #endif
 265 }
 266
 267 static void Display(vout_display_t *vd, picture_t *picture)
 268 {
 269     vout_display_sys_t *sys = vd->sys;
 270     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
 271
 272     // Present the back buffer contents to the display
 273     // No stretching should happen here !
 274     const RECT src = sys->rect_dest_clipped;
 275     const RECT dst = sys->rect_dest_clipped;
 276     HRESULT hr = IDirect3DDevice9_Present(d3ddev, &src, &dst, NULL, NULL);
 277     if (FAILED(hr)) {
 278         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 279     }
 280 #if 0
 281     VLC_UNUSED(picture);
 282 #else
 283     /* XXX See Prepare() */
 284     picture_Release(picture);
 285 #endif
 286
 287     CommonDisplay(vd);
 288 }
 289 static int ControlResetDevice(vout_display_t *vd)
 290 {
 291     return Direct3DReset(vd);
 292 }
 293 static int ControlReopenDevice(vout_display_t *vd)
 294 {
 295     vout_display_sys_t *sys = vd->sys;
 296
 297     if (!sys->use_desktop) {
 298         /* Save non-desktop state */
 299         sys->desktop_save.is_fullscreen = vd->cfg->is_fullscreen;
 300         sys->desktop_save.is_on_top     = sys->is_on_top;
 301
 302         WINDOWPLACEMENT wp = { .length = sizeof(wp), };
 303         GetWindowPlacement(sys->hparent ? sys->hparent : sys->hwnd, &wp);
 304         sys->desktop_save.win = wp.rcNormalPosition;
 305     }
 306
 307     /* */
 308     Direct3DClose(vd);
 309     EventThreadStop(sys->event);
 310
 311     /* */
 312     vlc_mutex_lock(&sys->lock);
 313     sys->use_desktop = sys->desktop_requested;
 314     sys->ch_desktop = false;
 315     vlc_mutex_unlock(&sys->lock);
 316
 317     /* */
 318     event_cfg_t cfg;
 319     memset(&cfg, 0, sizeof(cfg));
 320     cfg.use_desktop = sys->use_desktop;
 321     if (!sys->use_desktop) {
 322         cfg.win.type   = VOUT_WINDOW_TYPE_HWND;
 323         cfg.win.x      = sys->desktop_save.win.left;
 324         cfg.win.y      = sys->desktop_save.win.top;
 325         cfg.win.width  = sys->desktop_save.win.right  - sys->desktop_save.win.left;
 326         cfg.win.height = sys->desktop_save.win.bottom - sys->desktop_save.win.top;
 327     }
 328
 329     event_hwnd_t hwnd;
 330     if (EventThreadStart(sys->event, &hwnd, &cfg)) {
 331         msg_Err(vd, "Failed to restart event thread");
 332         return VLC_EGENERIC;
 333     }
 334     sys->parent_window = hwnd.parent_window;
 335     sys->hparent       = hwnd.hparent;
 336     sys->hwnd          = hwnd.hwnd;
 337     sys->hvideownd     = hwnd.hvideownd;
 338     sys->hfswnd        = hwnd.hfswnd;
 339     SetRectEmpty(&sys->rect_parent);
 340
 341     /* */
 342     video_format_t fmt;
 343     if (Direct3DOpen(vd, &fmt)) {
 344         CommonClean(vd);
 345         msg_Err(vd, "Failed to reopen device");
 346         return VLC_EGENERIC;
 347     }
 348     vd->fmt = fmt;
 349     sys->is_first_display = true;
 350
 351     if (sys->use_desktop) {
 352         /* Disable fullscreen/on_top while using desktop */
 353         if (sys->desktop_save.is_fullscreen)
 354             vout_display_SendEventFullscreen(vd, false);
 355         if (sys->desktop_save.is_on_top)
 356             vout_display_SendEventOnTop(vd, false);
 357     } else {
 358         /* Restore fullscreen/on_top */
 359         if (sys->desktop_save.is_fullscreen)
 360             vout_display_SendEventFullscreen(vd, true);
 361         if (sys->desktop_save.is_on_top)
 362             vout_display_SendEventOnTop(vd, true);
 363     }
 364     return VLC_SUCCESS;
 365 }
 366 static int Control(vout_display_t *vd, int query, va_list args)
 367 {
 368     vout_display_sys_t *sys = vd->sys;
 369
 370     switch (query) {
 371     case VOUT_DISPLAY_RESET_PICTURES:
 372         /* FIXME what to do here in case of failure */
 373         if (sys->reset_device) {
 374             if (ControlResetDevice(vd)) {
 375                 msg_Err(vd, "Failed to reset device");
 376                 return VLC_EGENERIC;
 377             }
 378             sys->reset_device = false;
 379         } else if(sys->reopen_device) {
 380             if (ControlReopenDevice(vd)) {
 381                 msg_Err(vd, "Failed to reopen device");
 382                 return VLC_EGENERIC;
 383             }
 384             sys->reopen_device = false;
 385         }
 386         return VLC_SUCCESS;
 387     default:
 388         return CommonControl(vd, query, args);
 389     }
 390 }
 391 static void Manage (vout_display_t *vd)
 392 {
 393     vout_display_sys_t *sys = vd->sys;
 394
 395     CommonManage(vd);
 396
 397     /* Desktop mode change */
 398     vlc_mutex_lock(&sys->lock);
 399     const bool ch_desktop = sys->ch_desktop;
 400     sys->ch_desktop = false;
 401     vlc_mutex_unlock(&sys->lock);
 402
 403     if (ch_desktop) {
 404         sys->reopen_device = true;
 405         vout_display_SendEventPicturesInvalid(vd);
 406     }
 407
 408 #if 0
 409     /*
 410      * Position Change
 411      */
 412     if (sys->changes & DX_POSITION_CHANGE) {
 413 #if 0 /* need that when bicubic filter is available */
 414         RECT rect;
 415         UINT width, height;
 416
 417         GetClientRect(p_sys->hvideownd, &rect);
 418         width  = rect.right-rect.left;
 419         height = rect.bottom-rect.top;
 420
 421         if (width != p_sys->d3dpp.BackBufferWidth || height != p_sys->d3dpp.BackBufferHeight)
 422         {
 423             msg_Dbg(vd, "resizing device back buffers to (%lux%lu)", width, height);
 424             // need to reset D3D device to resize back buffer
 425             if (VLC_SUCCESS != Direct3DResetDevice(vd, width, height))
 426                 return VLC_EGENERIC;
 427         }
 428 #endif
 429         sys->changes &= ~DX_POSITION_CHANGE;
 430     }
 431 #endif
 432 }
 433
 434 /**
 435  * It initializes an instance of Direct3D9
 436  */
 437 static int Direct3DCreate(vout_display_t *vd)
 438 {
 439     vout_display_sys_t *sys = vd->sys;
 440
 441     sys->hd3d9_dll = LoadLibrary(TEXT("D3D9.DLL"));
 442     if (!sys->hd3d9_dll) {
 443         msg_Warn(vd, "cannot load d3d9.dll, aborting");
 444         return VLC_EGENERIC;
 445     }
 446
 447     LPDIRECT3D9 (WINAPI *OurDirect3DCreate9)(UINT SDKVersion);
 448     OurDirect3DCreate9 =
 449         (void *)GetProcAddress(sys->hd3d9_dll, TEXT("Direct3DCreate9"));
 450     if (!OurDirect3DCreate9) {
 451         msg_Err(vd, "Cannot locate reference to Direct3DCreate9 ABI in DLL");
 452         return VLC_EGENERIC;
 453     }
 454
 455     /* Create the D3D object. */
 456     LPDIRECT3D9 d3dobj = OurDirect3DCreate9(D3D_SDK_VERSION);
 457     if (!d3dobj) {
 458        msg_Err(vd, "Could not create Direct3D9 instance.");
 459        return VLC_EGENERIC;
 460     }
 461     sys->d3dobj = d3dobj;
 462
 463     /*
 464     ** Get device capabilities
 465     */
 466     D3DCAPS9 d3dCaps;
 467     ZeroMemory(&d3dCaps, sizeof(d3dCaps));
 468     HRESULT hr = IDirect3D9_GetDeviceCaps(d3dobj, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &d3dCaps);
 469     if (FAILED(hr)) {
 470        msg_Err(vd, "Could not read adapter capabilities. (hr=0x%lX)", hr);
 471        return VLC_EGENERIC;
 472     }
 473     /* TODO: need to test device capabilities and select the right render function */
 474
 475     return VLC_SUCCESS;
 476 }
 477
 478 /**
 479  * It releases an instance of Direct3D9
 480  */
 481 static void Direct3DDestroy(vout_display_t *vd)
 482 {
 483     vout_display_sys_t *sys = vd->sys;
 484
 485     if (sys->d3dobj)
 486        IDirect3D9_Release(sys->d3dobj);
 487     if (sys->hd3d9_dll)
 488         FreeLibrary(sys->hd3d9_dll);
 489
 490     sys->d3dobj = NULL;
 491     sys->hd3d9_dll = NULL;
 492 }
 493
 494
 495 /**
 496  * It setup vout_display_sys_t::d3dpp and vout_display_sys_t::rect_display
 497  * from the default adapter.
 498  */
 499 static int Direct3DFillPresentationParameters(vout_display_t *vd)
 500 {
 501     vout_display_sys_t *sys = vd->sys;
 502
 503     /*
 504     ** Get the current desktop display mode, so we can set up a back
 505     ** buffer of the same format
 506     */
 507     D3DDISPLAYMODE d3ddm;
 508     HRESULT hr = IDirect3D9_GetAdapterDisplayMode(sys->d3dobj,
 509                                                   D3DADAPTER_DEFAULT, &d3ddm);
 510     if (FAILED(hr)) {
 511        msg_Err(vd, "Could not read adapter display mode. (hr=0x%lX)", hr);
 512        return VLC_EGENERIC;
 513     }
 514
 515     /* Set up the structure used to create the D3DDevice. */
 516     D3DPRESENT_PARAMETERS *d3dpp = &vd->sys->d3dpp;
 517     ZeroMemory(d3dpp, sizeof(D3DPRESENT_PARAMETERS));
 518     d3dpp->Flags                  = D3DPRESENTFLAG_VIDEO;
 519     d3dpp->Windowed               = TRUE;
 520     d3dpp->hDeviceWindow          = vd->sys->hvideownd;
 521     d3dpp->BackBufferWidth        = d3ddm.Width;
 522     d3dpp->BackBufferHeight       = d3ddm.Height;
 523     d3dpp->SwapEffect             = D3DSWAPEFFECT_COPY;
 524     d3dpp->MultiSampleType        = D3DMULTISAMPLE_NONE;
 525     d3dpp->PresentationInterval   = D3DPRESENT_INTERVAL_DEFAULT;
 526     d3dpp->BackBufferFormat       = d3ddm.Format;
 527     d3dpp->BackBufferCount        = 1;
 528     d3dpp->EnableAutoDepthStencil = FALSE;
 529
 530     const unsigned adapter_count = IDirect3D9_GetAdapterCount(sys->d3dobj);
 531     for (unsigned i = 1; i < adapter_count; i++) {
 532         hr = IDirect3D9_GetAdapterDisplayMode(sys->d3dobj, i, &d3ddm);
 533         if (FAILED(hr))
 534             continue;
 535         d3dpp->BackBufferWidth  = __MAX(d3dpp->BackBufferWidth,  d3ddm.Width);
 536         d3dpp->BackBufferHeight = __MAX(d3dpp->BackBufferHeight, d3ddm.Height);
 537     }
 538
 539     /* */
 540     RECT *display = &vd->sys->rect_display;
 541     display->left   = 0;
 542     display->top    = 0;
 543     display->right  = d3dpp->BackBufferWidth;
 544     display->bottom = d3dpp->BackBufferHeight;
 545
 546     return VLC_SUCCESS;
 547 }
 548
 549 /* */
 550 static int  Direct3DCreateResources (vout_display_t *, video_format_t *);
 551 static void Direct3DDestroyResources(vout_display_t *);
 552
 553 /**
 554  * It creates a Direct3D device and the associated resources.
 555  */
 556 static int Direct3DOpen(vout_display_t *vd, video_format_t *fmt)
 557 {
 558     vout_display_sys_t *sys = vd->sys;
 559     LPDIRECT3D9 d3dobj = sys->d3dobj;
 560
 561     if (Direct3DFillPresentationParameters(vd))
 562         return VLC_EGENERIC;
 563
 564     // Create the D3DDevice
 565     LPDIRECT3DDEVICE9 d3ddev;
 566     HRESULT hr = IDirect3D9_CreateDevice(d3dobj, D3DADAPTER_DEFAULT,
 567                                          D3DDEVTYPE_HAL, sys->hvideownd,
 568                                          D3DCREATE_SOFTWARE_VERTEXPROCESSING|
 569                                          D3DCREATE_MULTITHREADED,
 570                                          &sys->d3dpp, &d3ddev);
 571     if (FAILED(hr)) {
 572        msg_Err(vd, "Could not create the D3D device! (hr=0x%lX)", hr);
 573        return VLC_EGENERIC;
 574     }
 575     sys->d3ddev = d3ddev;
 576
 577     UpdateRects(vd, NULL, NULL, true);
 578
 579     if (Direct3DCreateResources(vd, fmt)) {
 580         msg_Err(vd, "Failed to allocate resources");
 581         return VLC_EGENERIC;
 582     }
 583
 584     /* Change the window title bar text */
 585     EventThreadUpdateTitle(sys->event, VOUT_TITLE " (Direct3D output)");
 586
 587     msg_Dbg(vd, "Direct3D device adapter successfully initialized");
 588     return VLC_SUCCESS;
 589 }
 590
 591 /**
 592  * It releases the Direct3D9 device and its resources.
 593  */
 594 static void Direct3DClose(vout_display_t *vd)
 595 {
 596     vout_display_sys_t *sys = vd->sys;
 597
 598     Direct3DDestroyResources(vd);
 599
 600     if (sys->d3ddev)
 601        IDirect3DDevice9_Release(sys->d3ddev);
 602
 603     sys->d3ddev = NULL;
 604     sys->hmonitor = NULL;
 605 }
 606
 607 /**
 608  * It reset the Direct3D9 device and its resources.
 609  */
 610 static int Direct3DReset(vout_display_t *vd)
 611 {
 612     vout_display_sys_t *sys = vd->sys;
 613     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
 614
 615     if (Direct3DFillPresentationParameters(vd))
 616         return VLC_EGENERIC;
 617
 618     /* release all D3D objects */
 619     Direct3DDestroyResources(vd);
 620
 621     /* */
 622     HRESULT hr = IDirect3DDevice9_Reset(d3ddev, &sys->d3dpp);
 623     if (FAILED(hr)) {
 624         msg_Err(vd, "%s failed ! (hr=%08lX)", __FUNCTION__, hr);
 625         return VLC_EGENERIC;
 626     }
 627
 628     UpdateRects(vd, NULL, NULL, true);
 629
 630     /* re-create them */
 631     if (Direct3DCreateResources(vd, &vd->fmt)) {
 632         msg_Dbg(vd, "%s failed !", __FUNCTION__);
 633         return VLC_EGENERIC;
 634     }
 635     return VLC_SUCCESS;
 636 }
 637
 638 /* */
 639 static int  Direct3DCreatePool(vout_display_t *vd, video_format_t *fmt);
 640 static void Direct3DDestroyPool(vout_display_t *vd);
 641
 642 static int  Direct3DCreateScene(vout_display_t *vd);
 643 static void Direct3DDestroyScene(vout_display_t *vd);
 644
 645 /**
 646  * It creates the picture and scene resources.
 647  */
 648 static int Direct3DCreateResources(vout_display_t *vd, video_format_t *fmt)
 649 {
 650     if (Direct3DCreatePool(vd, fmt)) {
 651         msg_Err(vd, "Direct3D picture pool initialization failed");
 652         return VLC_EGENERIC;
 653     }
 654     if (Direct3DCreateScene(vd)) {
 655         msg_Err(vd, "Direct3D scene initialization failed !");
 656         return VLC_EGENERIC;
 657     }
 658     return VLC_SUCCESS;
 659 }
 660 /**
 661  * It destroys the picture and scene resources.
 662  */
 663 static void Direct3DDestroyResources(vout_display_t *vd)
 664 {
 665     Direct3DDestroyScene(vd);
 666     Direct3DDestroyPool(vd);
 667 }
 668
 669 /**
 670  * It tests if the conversion from src to dst is supported.
 671  */
 672 static int Direct3DCheckConversion(vout_display_t *vd,
 673                                    D3DFORMAT src, D3DFORMAT dst)
 674 {
 675     vout_display_sys_t *sys = vd->sys;
 676     LPDIRECT3D9 d3dobj = sys->d3dobj;
 677     HRESULT hr;
 678
 679     /* test whether device can create a surface of that format */
 680     hr = IDirect3D9_CheckDeviceFormat(d3dobj, D3DADAPTER_DEFAULT,
 681                                       D3DDEVTYPE_HAL, dst, 0,
 682                                       D3DRTYPE_SURFACE, src);
 683     if (SUCCEEDED(hr)) {
 684         /* test whether device can perform color-conversion
 685         ** from that format to target format
 686         */
 687         hr = IDirect3D9_CheckDeviceFormatConversion(d3dobj,
 688                                                     D3DADAPTER_DEFAULT,
 689                                                     D3DDEVTYPE_HAL,
 690                                                     src, dst);
 691     }
 692     if (!SUCCEEDED(hr)) {
 693         if (D3DERR_NOTAVAILABLE != hr)
 694             msg_Err(vd, "Could not query adapter supported formats. (hr=0x%lX)", hr);
 695         return VLC_EGENERIC;
 696     }
 697     return VLC_SUCCESS;
 698 }
 699
 700 typedef struct
 701 {
 702     const char   *name;
 703     D3DFORMAT    format;    /* D3D format */
 704     vlc_fourcc_t fourcc;    /* VLC fourcc */
 705     uint32_t     rmask;
 706     uint32_t     gmask;
 707     uint32_t     bmask;
 708 } d3d_format_t;
 709
 710 static const d3d_format_t d3d_formats[] = {
 711     /* YV12 is always used for planar 420, the planes are then swapped in Lock() */
 712     { "YV12",       MAKEFOURCC('Y','V','1','2'),    VLC_CODEC_YV12,  0,0,0 },
 713     { "YV12",       MAKEFOURCC('Y','V','1','2'),    VLC_CODEC_I420,  0,0,0 },
 714     { "YV12",       MAKEFOURCC('Y','V','1','2'),    VLC_CODEC_J420,  0,0,0 },
 715     { "UYVY",       D3DFMT_UYVY,    VLC_CODEC_UYVY,  0,0,0 },
 716     { "YUY2",       D3DFMT_YUY2,    VLC_CODEC_YUYV,  0,0,0 },
 717     { "X8R8G8B8",   D3DFMT_X8R8G8B8,VLC_CODEC_RGB32, 0xff0000, 0x00ff00, 0x0000ff },
 718     { "A8R8G8B8",   D3DFMT_A8R8G8B8,VLC_CODEC_RGB32, 0xff0000, 0x00ff00, 0x0000ff },
 719     { "8G8B8",      D3DFMT_R8G8B8,  VLC_CODEC_RGB24, 0xff0000, 0x00ff00, 0x0000ff },
 720     { "R5G6B5",     D3DFMT_R5G6B5,  VLC_CODEC_RGB16, 0x1f<<11, 0x3f<<5,  0x1f<<0 },
 721     { "X1R5G5B5",   D3DFMT_X1R5G5B5,VLC_CODEC_RGB15, 0x1f<<10, 0x1f<<5,  0x1f<<0 },
 722
 723     { NULL, 0, 0, 0,0,0}
 724 };
 725
 726 /**
 727  * It returns the format (closest to chroma) that can be converted to target */
 728 static const d3d_format_t *Direct3DFindFormat(vout_display_t *vd, vlc_fourcc_t chroma, D3DFORMAT target)
 729 {
 730     vout_display_sys_t *sys = vd->sys;
 731
 732     for (unsigned pass = 0; pass < 2; pass++) {
 733         const vlc_fourcc_t *list;
 734
 735         if (pass == 0 && sys->allow_hw_yuv && vlc_fourcc_IsYUV(chroma))
 736             list = vlc_fourcc_GetYUVFallback(chroma);
 737         else if (pass == 1)
 738             list = vlc_fourcc_GetRGBFallback(chroma);
 739         else
 740             continue;
 741
 742         for (unsigned i = 0; list[i] != 0; i++) {
 743             for (unsigned j = 0; d3d_formats[j].name; j++) {
 744                 const d3d_format_t *format = &d3d_formats[j];
 745
 746                 if (format->fourcc != list[i])
 747                     continue;
 748
 749                 msg_Warn(vd, "trying surface pixel format: %s",
 750                          format->name);
 751                 if (!Direct3DCheckConversion(vd, format->format, target)) {
 752                     msg_Dbg(vd, "selected surface pixel format is %s",
 753                             format->name);
 754                     return format;
 755                 }
 756             }
 757         }
 758     }
 759     return NULL;
 760 }
 761
 762 /**
 763  * It locks the surface associated to the picture and get the surface
 764  * descriptor which amongst other things has the pointer to the picture
 765  * data and its pitch.
 766  */
 767 static int Direct3DLockSurface(picture_t *picture)
 768 {
 769     /* Lock the surface to get a valid pointer to the picture buffer */
 770     D3DLOCKED_RECT d3drect;
 771     HRESULT hr = IDirect3DSurface9_LockRect(picture->p_sys->surface, &d3drect, NULL, 0);
 772     if (FAILED(hr)) {
 773         //msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 774         return VLC_EGENERIC;
 775     }
 776
 777     /* fill in buffer info in first plane */
 778     picture->p->p_pixels = d3drect.pBits;
 779     picture->p->i_pitch  = d3drect.Pitch;
 780
 781     /*  Fill chroma planes for planar YUV */
 782     if (picture->format.i_chroma == VLC_CODEC_I420 ||
 783         picture->format.i_chroma == VLC_CODEC_J420 ||
 784         picture->format.i_chroma == VLC_CODEC_YV12) {
 785
 786         for (int n = 1; n < picture->i_planes; n++) {
 787             const plane_t *o = &picture->p[n-1];
 788             plane_t *p = &picture->p[n];
 789
 790             p->p_pixels = o->p_pixels + o->i_lines * o->i_pitch;
 791             p->i_pitch  = d3drect.Pitch / 2;
 792         }
 793         /* The d3d buffer is always allocated as YV12 */
 794         if (vlc_fourcc_AreUVPlanesSwapped(picture->format.i_chroma, VLC_CODEC_YV12)) {
 795             uint8_t *p_tmp = picture->p[1].p_pixels;
 796             picture->p[1].p_pixels = picture->p[2].p_pixels;
 797             picture->p[2].p_pixels = p_tmp;
 798         }
 799     }
 800     return VLC_SUCCESS;
 801 }
 802 /**
 803  * It unlocks the surface associated to the picture.
 804  */
 805 static void Direct3DUnlockSurface(picture_t *picture)
 806 {
 807     /* Unlock the Surface */
 808     HRESULT hr = IDirect3DSurface9_UnlockRect(picture->p_sys->surface);
 809     if (FAILED(hr)) {
 810         //msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 811     }
 812 }
 813
 814 /**
 815  * It creates the pool of picture (only 1).
 816  *
 817  * Each picture has an associated offscreen surface in video memory
 818  * depending on hardware capabilities the picture chroma will be as close
 819  * as possible to the orginal render chroma to reduce CPU conversion overhead
 820  * and delegate this work to video card GPU
 821  */
 822 static int Direct3DCreatePool(vout_display_t *vd, video_format_t *fmt)
 823 {
 824     vout_display_sys_t *sys = vd->sys;
 825     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
 826
 827     /* */
 828     *fmt = vd->source;
 829
 830     /* Find the appropriate D3DFORMAT for the render chroma, the format will be the closest to
 831      * the requested chroma which is usable by the hardware in an offscreen surface, as they
 832      * typically support more formats than textures */
 833     const d3d_format_t *d3dfmt = Direct3DFindFormat(vd, fmt->i_chroma, sys->d3dpp.BackBufferFormat);
 834     if (!d3dfmt) {
 835         msg_Err(vd, "surface pixel format is not supported.");
 836         return VLC_EGENERIC;
 837     }
 838     fmt->i_chroma = d3dfmt->fourcc;
 839     fmt->i_rmask  = d3dfmt->rmask;
 840     fmt->i_gmask  = d3dfmt->gmask;
 841     fmt->i_bmask  = d3dfmt->bmask;
 842
 843     /* We create one picture.
 844      * It is useless to create more as we can't be used for direct rendering */
 845
 846     /* Create a surface */
 847     LPDIRECT3DSURFACE9 surface;
 848     HRESULT hr = IDirect3DDevice9_CreateOffscreenPlainSurface(d3ddev,
 849                                                               fmt->i_width,
 850                                                               fmt->i_height,
 851                                                               d3dfmt->format,
 852                                                               D3DPOOL_DEFAULT,
 853                                                               &surface,
 854                                                               NULL);
 855     if (FAILED(hr)) {
 856         msg_Err(vd, "Failed to create picture surface. (hr=0x%lx)", hr);
 857         return VLC_EGENERIC;
 858     }
 859     /* fill surface with black color */
 860     IDirect3DDevice9_ColorFill(d3ddev, surface, NULL, D3DCOLOR_ARGB(0xFF, 0, 0, 0));
 861
 862     /* Create the associated picture */
 863     picture_resource_t *rsc = &sys->resource;
 864     rsc->p_sys = malloc(sizeof(*rsc->p_sys));
 865     if (!rsc->p_sys) {
 866         IDirect3DSurface9_Release(surface);
 867         return VLC_ENOMEM;
 868     }
 869     rsc->p_sys->surface = surface;
 870     for (int i = 0; i < PICTURE_PLANE_MAX; i++) {
 871         rsc->p[i].p_pixels = NULL;
 872         rsc->p[i].i_pitch = 0;
 873         rsc->p[i].i_lines = fmt->i_height / (i > 0 ? 2 : 1);
 874     }
 875     picture_t *picture = picture_NewFromResource(fmt, rsc);
 876     if (!picture) {
 877         IDirect3DSurface9_Release(surface);
 878         free(rsc->p_sys);
 879         return VLC_ENOMEM;
 880     }
 881
 882     /* Wrap it into a picture pool */
 883     picture_pool_configuration_t pool_cfg;
 884     memset(&pool_cfg, 0, sizeof(pool_cfg));
 885     pool_cfg.picture_count = 1;
 886     pool_cfg.picture       = &picture;
 887     pool_cfg.lock          = Direct3DLockSurface;
 888     pool_cfg.unlock        = Direct3DUnlockSurface;
 889
 890     sys->pool = picture_pool_NewExtended(&pool_cfg);
 891     if (!sys->pool) {
 892         picture_Release(picture);
 893         IDirect3DSurface9_Release(surface);
 894         return VLC_ENOMEM;
 895     }
 896     return VLC_SUCCESS;
 897 }
 898 /**
 899  * It destroys the pool of picture and its resources.
 900  */
 901 static void Direct3DDestroyPool(vout_display_t *vd)
 902 {
 903     vout_display_sys_t *sys = vd->sys;
 904
 905     if (sys->pool) {
 906         picture_resource_t *rsc = &sys->resource;
 907         IDirect3DSurface9_Release(rsc->p_sys->surface);
 908
 909         picture_pool_Delete(sys->pool);
 910     }
 911     sys->pool = NULL;
 912 }
 913
 914 /* */
 915 typedef struct
 916 {
 917     FLOAT       x,y,z;      // vertex untransformed position
 918     FLOAT       rhw;        // eye distance
 919     D3DCOLOR    diffuse;    // diffuse color
 920     FLOAT       tu, tv;     // texture relative coordinates
 921 } CUSTOMVERTEX;
 922
 923 #define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZRHW|D3DFVF_DIFFUSE|D3DFVF_TEX1)
 924
 925 /**
 926  * It allocates and initializes the resources needed to render the scene.
 927  */
 928 static int Direct3DCreateScene(vout_display_t *vd)
 929 {
 930     vout_display_sys_t *sys = vd->sys;
 931     LPDIRECT3DDEVICE9       d3ddev = sys->d3ddev;
 932     HRESULT hr;
 933
 934     /*
 935      * Create a texture for use when rendering a scene
 936      * for performance reason, texture format is identical to backbuffer
 937      * which would usually be a RGB format
 938      */
 939     LPDIRECT3DTEXTURE9 d3dtex;
 940     hr = IDirect3DDevice9_CreateTexture(d3ddev,
 941                                         sys->d3dpp.BackBufferWidth,
 942                                         sys->d3dpp.BackBufferHeight,
 943                                         1,
 944                                         D3DUSAGE_RENDERTARGET,
 945                                         sys->d3dpp.BackBufferFormat,
 946                                         D3DPOOL_DEFAULT,
 947                                         &d3dtex,
 948                                         NULL);
 949     if (FAILED(hr)) {
 950         msg_Err(vd, "Failed to create texture. (hr=0x%lx)", hr);
 951         return VLC_EGENERIC;
 952     }
 953
 954     /*
 955     ** Create a vertex buffer for use when rendering scene
 956     */
 957     LPDIRECT3DVERTEXBUFFER9 d3dvtc;
 958     hr = IDirect3DDevice9_CreateVertexBuffer(d3ddev,
 959                                              sizeof(CUSTOMVERTEX)*4,
 960                                              D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY,
 961                                              D3DFVF_CUSTOMVERTEX,
 962                                              D3DPOOL_DEFAULT,
 963                                              &d3dvtc,
 964                                              NULL);
 965     if (FAILED(hr)) {
 966         msg_Err(vd, "Failed to create vertex buffer. (hr=0x%lx)", hr);
 967         IDirect3DTexture9_Release(d3dtex);
 968         return VLC_EGENERIC;
 969     }
 970
 971     /* */
 972     sys->d3dtex = d3dtex;
 973     sys->d3dvtc = d3dvtc;
 974
 975     // Texture coordinates outside the range [0.0, 1.0] are set
 976     // to the texture color at 0.0 or 1.0, respectively.
 977     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
 978     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
 979
 980     // Set linear filtering quality
 981     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
 982     IDirect3DDevice9_SetSamplerState(d3ddev, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
 983
 984     // set maximum ambient light
 985     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_AMBIENT, D3DCOLOR_XRGB(255,255,255));
 986
 987     // Turn off culling
 988     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_CULLMODE, D3DCULL_NONE);
 989
 990     // Turn off the zbuffer
 991     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ZENABLE, D3DZB_FALSE);
 992
 993     // Turn off lights
 994     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_LIGHTING, FALSE);
 995
 996     // Enable dithering
 997     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_DITHERENABLE, TRUE);
 998
 999     // disable stencil
1000     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_STENCILENABLE, FALSE);
1001
1002     // manage blending
1003     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHABLENDENABLE, TRUE);
1004     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_SRCBLEND,D3DBLEND_SRCALPHA);
1005     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_DESTBLEND,D3DBLEND_INVSRCALPHA);
1006     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHATESTENABLE,TRUE);
1007     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHAREF, 0x10);
1008     IDirect3DDevice9_SetRenderState(d3ddev, D3DRS_ALPHAFUNC,D3DCMP_GREATER);
1009
1010     // Set texture states
1011     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_COLOROP,D3DTOP_MODULATE);
1012     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_COLORARG1,D3DTA_TEXTURE);
1013     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_COLORARG2,D3DTA_DIFFUSE);
1014
1015     // turn off alpha operation
1016     IDirect3DDevice9_SetTextureStageState(d3ddev, 0, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
1017
1018     msg_Dbg(vd, "Direct3D scene created successfully");
1019
1020     return VLC_SUCCESS;
1021 }
1022
1023 /**
1024  * It releases the scene resources.
1025  */
1026 static void Direct3DDestroyScene(vout_display_t *vd)
1027 {
1028     vout_display_sys_t *sys = vd->sys;
1029
1030     LPDIRECT3DVERTEXBUFFER9 d3dvtc = sys->d3dvtc;
1031     if (d3dvtc)
1032         IDirect3DVertexBuffer9_Release(d3dvtc);
1033
1034     LPDIRECT3DTEXTURE9 d3dtex = sys->d3dtex;
1035     if (d3dtex)
1036         IDirect3DTexture9_Release(d3dtex);
1037
1038     sys->d3dvtc = NULL;
1039     sys->d3dtex = NULL;
1040     msg_Dbg(vd, "Direct3D scene released successfully");
1041 }
1042
1043 /**
1044  * It copies picture surface into a texture and renders into a scene.
1045  *
1046  * This function is intented for higher end 3D cards, with pixel shader support
1047  * and at least 64 MB of video RAM.
1048  */
1049 static void Direct3DRenderScene(vout_display_t *vd, LPDIRECT3DSURFACE9 surface)
1050 {
1051     vout_display_sys_t *sys = vd->sys;
1052     LPDIRECT3DDEVICE9 d3ddev = sys->d3ddev;
1053     HRESULT hr;
1054
1055     // check if device is still available
1056     hr = IDirect3DDevice9_TestCooperativeLevel(d3ddev);
1057     if (FAILED(hr)) {
1058         if (hr == D3DERR_DEVICENOTRESET && !sys->reset_device) {
1059             vout_display_SendEventPicturesInvalid(vd);
1060             sys->reset_device = true;
1061         }
1062         return;
1063     }
1064     /* */
1065     LPDIRECT3DTEXTURE9      d3dtex  = sys->d3dtex;
1066     LPDIRECT3DVERTEXBUFFER9 d3dvtc  = sys->d3dvtc;
1067
1068     /* Clear the backbuffer and the zbuffer */
1069     hr = IDirect3DDevice9_Clear(d3ddev, 0, NULL, D3DCLEAR_TARGET,
1070                               D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0);
1071     if (FAILED(hr)) {
1072         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1073         return;
1074     }
1075     /*  retrieve picture surface */
1076     LPDIRECT3DSURFACE9 d3dsrc = surface;
1077     if (!d3dsrc) {
1078         msg_Dbg(vd, "no surface to render ?");
1079         return;
1080     }
1081
1082     /* retrieve texture top-level surface */
1083     LPDIRECT3DSURFACE9 d3ddest;
1084     hr = IDirect3DTexture9_GetSurfaceLevel(d3dtex, 0, &d3ddest);
1085     if (FAILED(hr)) {
1086         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1087         return;
1088     }
1089
1090     /* Copy picture surface into texture surface
1091      * color space conversion and scaling happen here */
1092     RECT src = vd->sys->rect_src_clipped;
1093     RECT dst = vd->sys->rect_dest_clipped;
1094
1095     hr = IDirect3DDevice9_StretchRect(d3ddev, d3dsrc, &src, d3ddest, &dst, D3DTEXF_LINEAR);
1096     IDirect3DSurface9_Release(d3ddest);
1097     if (FAILED(hr)) {
1098         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1099         return;
1100     }
1101
1102     /* Update the vertex buffer */
1103     CUSTOMVERTEX *vertices;
1104     hr = IDirect3DVertexBuffer9_Lock(d3dvtc, 0, 0, &vertices, D3DLOCK_DISCARD);
1105     if (FAILED(hr)) {
1106         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1107         return;
1108     }
1109
1110     /* Setup vertices */
1111     const float f_width  = vd->sys->d3dpp.BackBufferWidth;
1112     const float f_height = vd->sys->d3dpp.BackBufferHeight;
1113
1114     /* -0.5f is a "feature" of DirectX and it seems to apply to Direct3d also */
1115     /* http://www.sjbrown.co.uk/2003/05/01/fix-directx-rasterisation/ */
1116     vertices[0].x       = -0.5f;       // left
1117     vertices[0].y       = -0.5f;       // top
1118     vertices[0].z       = 0.0f;
1119     vertices[0].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1120     vertices[0].rhw     = 1.0f;
1121     vertices[0].tu      = 0.0f;
1122     vertices[0].tv      = 0.0f;
1123
1124     vertices[1].x       = f_width - 0.5f;    // right
1125     vertices[1].y       = -0.5f;       // top
1126     vertices[1].z       = 0.0f;
1127     vertices[1].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1128     vertices[1].rhw     = 1.0f;
1129     vertices[1].tu      = 1.0f;
1130     vertices[1].tv      = 0.0f;
1131
1132     vertices[2].x       = f_width - 0.5f;    // right
1133     vertices[2].y       = f_height - 0.5f;   // bottom
1134     vertices[2].z       = 0.0f;
1135     vertices[2].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1136     vertices[2].rhw     = 1.0f;
1137     vertices[2].tu      = 1.0f;
1138     vertices[2].tv      = 1.0f;
1139
1140     vertices[3].x       = -0.5f;       // left
1141     vertices[3].y       = f_height - 0.5f;   // bottom
1142     vertices[3].z       = 0.0f;
1143     vertices[3].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1144     vertices[3].rhw     = 1.0f;
1145     vertices[3].tu      = 0.0f;
1146     vertices[3].tv      = 1.0f;
1147
1148     hr= IDirect3DVertexBuffer9_Unlock(d3dvtc);
1149     if (FAILED(hr)) {
1150         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1151         return;
1152     }
1153
1154     // Begin the scene
1155     hr = IDirect3DDevice9_BeginScene(d3ddev);
1156     if (FAILED(hr)) {
1157         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1158         return;
1159     }
1160
1161     // Setup our texture. Using textures introduces the texture stage states,
1162     // which govern how textures get blended together (in the case of multiple
1163     // textures) and lighting information. In this case, we are modulating
1164     // (blending) our texture with the diffuse color of the vertices.
1165     hr = IDirect3DDevice9_SetTexture(d3ddev, 0, (LPDIRECT3DBASETEXTURE9)d3dtex);
1166     if (FAILED(hr)) {
1167         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1168         IDirect3DDevice9_EndScene(d3ddev);
1169         return;
1170     }
1171
1172     // Render the vertex buffer contents
1173     hr = IDirect3DDevice9_SetStreamSource(d3ddev, 0, d3dvtc, 0, sizeof(CUSTOMVERTEX));
1174     if (FAILED(hr)) {
1175         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1176         IDirect3DDevice9_EndScene(d3ddev);
1177         return;
1178     }
1179
1180     // we use FVF instead of vertex shader
1181     hr = IDirect3DDevice9_SetFVF(d3ddev, D3DFVF_CUSTOMVERTEX);
1182     if (FAILED(hr)) {
1183         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1184         IDirect3DDevice9_EndScene(d3ddev);
1185         return;
1186     }
1187
1188     // draw rectangle
1189     hr = IDirect3DDevice9_DrawPrimitive(d3ddev, D3DPT_TRIANGLEFAN, 0, 2);
1190     if (FAILED(hr)) {
1191         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1192         IDirect3DDevice9_EndScene(d3ddev);
1193         return;
1194     }
1195
1196     // End the scene
1197     hr = IDirect3DDevice9_EndScene(d3ddev);
1198     if (FAILED(hr)) {
1199         msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1200         return;
1201     }
1202 }
1203
1204 /*****************************************************************************
1205  * DesktopCallback: desktop mode variable callback
1206  *****************************************************************************/
1207 static int DesktopCallback(vlc_object_t *object, char const *psz_cmd,
1208                             vlc_value_t oldval, vlc_value_t newval,
1209                             void *p_data)
1210 {
1211     vout_display_t *vd = (vout_display_t *)object;
1212     vout_display_sys_t *sys = vd->sys;
1213     VLC_UNUSED(psz_cmd);
1214     VLC_UNUSED(oldval);
1215     VLC_UNUSED(p_data);
1216
1217     vlc_mutex_lock(&sys->lock);
1218     const bool ch_desktop = !sys->desktop_requested != !newval.b_bool;
1219     sys->ch_desktop |= ch_desktop;
1220     sys->desktop_requested = newval.b_bool;
1221     vlc_mutex_unlock(&sys->lock);
1222
1223     /* FIXME we should have a way to export variable to be saved */
1224     if (ch_desktop) {
1225         playlist_t *p_playlist = pl_Hold(vd);
1226         if (p_playlist) {
1227             /* Modify playlist as well because the vout might have to be
1228              * restarted */
1229             var_Create(p_playlist, "direct3d-desktop", VLC_VAR_BOOL);
1230             var_SetBool(p_playlist, "direct3d-desktop", newval.b_bool);
1231             pl_Release(vd);
1232         }
1233     }
1234     return VLC_SUCCESS;
1235 }