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 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 #include <errno.h>                                                 /* ENOMEM */
  37
  38 #ifdef HAVE_CONFIG_H
  39 # include "config.h"
  40 #endif
  41
  42 #include <vlc/vlc.h>
  43 #include <vlc_interface.h>
  44 #include <vlc_playlist.h>
  45 #include <vlc_vout.h>
  46
  47 #include <windows.h>
  48 #include <d3d9.h>
  49
  50 #include "vout.h"
  51
  52 /*****************************************************************************
  53  * Local prototypes.
  54  *****************************************************************************/
  55 static int  OpenVideo  ( vlc_object_t * );
  56 static void CloseVideo ( vlc_object_t * );
  57
  58 static int  Init      ( vout_thread_t * );
  59 static void End       ( vout_thread_t * );
  60 static int  Manage    ( vout_thread_t * );
  61 static void Display   ( vout_thread_t *, picture_t * );
  62 static void FirstDisplay( vout_thread_t *, picture_t * );
  63
  64 static int Direct3DVoutCreate     ( vout_thread_t * );
  65 static void Direct3DVoutRelease   ( vout_thread_t * );
  66
  67 static int  Direct3DVoutOpen      ( vout_thread_t * );
  68 static void Direct3DVoutClose     ( vout_thread_t * );
  69
  70 static int Direct3DVoutResetDevice( vout_thread_t * );
  71
  72 static int Direct3DVoutCreatePictures   ( vout_thread_t *, size_t );
  73 static void Direct3DVoutReleasePictures ( vout_thread_t * );
  74
  75 static int Direct3DVoutLockSurface  ( vout_thread_t *, picture_t * );
  76 static int Direct3DVoutUnlockSurface( vout_thread_t *, picture_t * );
  77
  78 static int Direct3DVoutCreateScene      ( vout_thread_t * );
  79 static void Direct3DVoutReleaseScene    ( vout_thread_t * );
  80 static void Direct3DVoutRenderScene     ( vout_thread_t *, picture_t * );
  81
  82 /*****************************************************************************
  83  * Module descriptor
  84  *****************************************************************************/
  85
  86 static vlc_bool_t _got_vista_or_above;
  87
  88 static int get_capability_for_osversion(void)
  89 {
  90     OSVERSIONINFO winVer;
  91     winVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
  92
  93     if( GetVersionEx(&winVer) )
  94     {
  95         if( winVer.dwMajorVersion > 5 )
  96         {
  97             /* Windows Vista or above, make this module the default */
  98         _got_vista_or_above = VLC_TRUE;
  99             return 150;
 100         }
 101     }
 102     /* Windows XP or lower, make sure this module isn't the default */
 103     _got_vista_or_above = VLC_FALSE;
 104     return 50;
 105 }
 106
 107 vlc_module_begin();
 108     set_shortname( "Direct3D" );
 109     set_category( CAT_VIDEO );
 110     set_subcategory( SUBCAT_VIDEO_VOUT );
 111     set_description( _("DirectX 3D video output") );
 112     set_capability( "video output", get_capability_for_osversion() );
 113     add_shortcut( "direct3d" );
 114     set_callbacks( OpenVideo, CloseVideo );
 115
 116     /* FIXME: Hack to avoid unregistering our window class */
 117     linked_with_a_crap_library_which_uses_atexit( );
 118 vlc_module_end();
 119
 120 #if 0 /* FIXME */
 121     /* check if we registered a window class because we need to
 122      * unregister it */
 123     WNDCLASS wndclass;
 124     if( GetClassInfo( GetModuleHandle(NULL), "VLC DirectX", &wndclass ) )
 125         UnregisterClass( "VLC DirectX", GetModuleHandle(NULL) );
 126 #endif
 127
 128 /*****************************************************************************
 129  * CUSTOMVERTEX:
 130  *****************************************************************************
 131  *****************************************************************************/
 132 typedef struct
 133 {
 134     FLOAT       x,y,z;      // vertex untransformed position
 135     FLOAT       rhw;        // eye distance
 136     D3DCOLOR    diffuse;    // diffuse color
 137     FLOAT       tu, tv;     // texture relative coordinates
 138 } CUSTOMVERTEX;
 139
 140 #define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZRHW|D3DFVF_DIFFUSE|D3DFVF_TEX1)
 141
 142 /*****************************************************************************
 143  * OpenVideo: allocate Vout video thread output method
 144  *****************************************************************************
 145  * This function allocates and initialize the Direct3D vout method.
 146  *****************************************************************************/
 147 static int OpenVideo( vlc_object_t *p_this )
 148 {
 149     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 150     vlc_value_t val;
 151
 152     /* Allocate structure */
 153     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 154     if( p_vout->p_sys == NULL )
 155     {
 156         msg_Err( p_vout, "out of memory" );
 157         return VLC_ENOMEM;
 158     }
 159     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 160
 161     if( VLC_SUCCESS != Direct3DVoutCreate( p_vout ) )
 162     {
 163         msg_Err( p_vout, "Direct3D could not be initialized !");
 164         goto error;
 165     }
 166
 167     /* Initialisations */
 168     p_vout->pf_init = Init;
 169     p_vout->pf_end = End;
 170     p_vout->pf_manage = Manage;
 171     p_vout->pf_render = Direct3DVoutRenderScene;
 172     p_vout->pf_display = FirstDisplay;
 173
 174     p_vout->p_sys->hwnd = p_vout->p_sys->hvideownd = NULL;
 175     p_vout->p_sys->hparent = p_vout->p_sys->hfswnd = NULL;
 176     p_vout->p_sys->i_changes = 0;
 177     vlc_mutex_init( p_vout, &p_vout->p_sys->lock );
 178     SetRectEmpty( &p_vout->p_sys->rect_display );
 179     SetRectEmpty( &p_vout->p_sys->rect_parent );
 180
 181     var_Create( p_vout, "directx-hw-yuv", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 182     var_Create( p_vout, "directx-device", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 183
 184     p_vout->p_sys->b_cursor_hidden = 0;
 185     p_vout->p_sys->i_lastmoved = mdate();
 186
 187     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 188     var_Create( p_vout, "disable-screensaver", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 189
 190     /* Set main window's size */
 191     p_vout->p_sys->i_window_width = p_vout->i_window_width;
 192     p_vout->p_sys->i_window_height = p_vout->i_window_height;
 193
 194     /* Create the Vout EventThread, this thread is created by us to isolate
 195      * the Win32 PeekMessage function calls. We want to do this because
 196      * Windows can stay blocked inside this call for a long time, and when
 197      * this happens it thus blocks vlc's video_output thread.
 198      * Vout EventThread will take care of the creation of the video
 199      * window (because PeekMessage has to be called from the same thread which
 200      * created the window). */
 201     msg_Dbg( p_vout, "creating Vout EventThread" );
 202     p_vout->p_sys->p_event =
 203         vlc_object_create( p_vout, sizeof(event_thread_t) );
 204     p_vout->p_sys->p_event->p_vout = p_vout;
 205     if( vlc_thread_create( p_vout->p_sys->p_event, "Vout Events Thread",
 206                            E_(EventThread), 0, 1 ) )
 207     {
 208         msg_Err( p_vout, "cannot create Vout EventThread" );
 209         vlc_object_release( p_vout->p_sys->p_event );
 210         p_vout->p_sys->p_event = NULL;
 211         goto error;
 212     }
 213
 214     if( p_vout->p_sys->p_event->b_error )
 215     {
 216         msg_Err( p_vout, "Vout EventThread failed" );
 217         goto error;
 218     }
 219
 220     vlc_object_attach( p_vout->p_sys->p_event, p_vout );
 221
 222     msg_Dbg( p_vout, "Vout EventThread running" );
 223
 224     /* Variable to indicate if the window should be on top of others */
 225     /* Trigger a callback right now */
 226     var_Get( p_vout, "video-on-top", &val );
 227     var_Set( p_vout, "video-on-top", val );
 228
 229     /* disable screensaver by temporarily changing system settings */
 230     p_vout->p_sys->i_spi_lowpowertimeout = 0;
 231     p_vout->p_sys->i_spi_powerofftimeout = 0;
 232     p_vout->p_sys->i_spi_screensavetimeout = 0;
 233     var_Get( p_vout, "disable-screensaver", &val);
 234     if( val.b_bool ) {
 235         msg_Dbg(p_vout, "disabling screen saver");
 236         SystemParametersInfo(SPI_GETLOWPOWERTIMEOUT,
 237             0, &(p_vout->p_sys->i_spi_lowpowertimeout), 0);
 238         if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 239             SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT, 0, NULL, 0);
 240         }
 241         SystemParametersInfo(SPI_GETPOWEROFFTIMEOUT, 0,
 242             &(p_vout->p_sys->i_spi_powerofftimeout), 0);
 243         if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 244             SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT, 0, NULL, 0);
 245         }
 246         SystemParametersInfo(SPI_GETSCREENSAVETIMEOUT, 0,
 247             &(p_vout->p_sys->i_spi_screensavetimeout), 0);
 248         if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 249             SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, 0, NULL, 0);
 250         }
 251     }
 252     return VLC_SUCCESS;
 253
 254  error:
 255     CloseVideo( VLC_OBJECT(p_vout) );
 256     return VLC_EGENERIC;
 257 }
 258
 259 /*****************************************************************************
 260  * CloseVideo: destroy Sys video thread output method
 261  *****************************************************************************
 262  * Terminate an output method created by Create
 263  *****************************************************************************/
 264 static void CloseVideo( vlc_object_t *p_this )
 265 {
 266     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 267
 268     Direct3DVoutRelease( p_vout );
 269
 270     if( p_vout->p_sys->p_event )
 271     {
 272         vlc_object_detach( p_vout->p_sys->p_event );
 273
 274         /* Kill Vout EventThread */
 275         vlc_object_kill( p_vout->p_sys->p_event );
 276
 277         /* we need to be sure Vout EventThread won't stay stuck in
 278          * GetMessage, so we send a fake message */
 279         if( p_vout->p_sys->hwnd )
 280         {
 281             PostMessage( p_vout->p_sys->hwnd, WM_NULL, 0, 0);
 282         }
 283
 284         vlc_thread_join( p_vout->p_sys->p_event );
 285         vlc_object_release( p_vout->p_sys->p_event );
 286     }
 287
 288     vlc_mutex_destroy( &p_vout->p_sys->lock );
 289
 290     /* restore screensaver system settings */
 291     if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 292         SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT,
 293             p_vout->p_sys->i_spi_lowpowertimeout, NULL, 0);
 294     }
 295     if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 296         SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT,
 297             p_vout->p_sys->i_spi_powerofftimeout, NULL, 0);
 298     }
 299     if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 300         SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT,
 301             p_vout->p_sys->i_spi_screensavetimeout, NULL, 0);
 302     }
 303
 304     if( p_vout->p_sys )
 305     {
 306         free( p_vout->p_sys );
 307         p_vout->p_sys = NULL;
 308     }
 309 }
 310
 311 /*****************************************************************************
 312  * Init: initialize Direct3D video thread output method
 313  *****************************************************************************/
 314 static int Init( vout_thread_t *p_vout )
 315 {
 316     int i_ret;
 317     vlc_value_t val;
 318
 319     var_Get( p_vout, "directx-hw-yuv", &val );
 320     p_vout->p_sys->b_hw_yuv = val.b_bool;
 321
 322     /* Initialise Direct3D */
 323     if( VLC_SUCCESS != Direct3DVoutOpen( p_vout ) )
 324     {
 325         msg_Err( p_vout, "cannot initialize Direct3D" );
 326         return VLC_EGENERIC;
 327     }
 328
 329     /* Initialize the output structure.
 330      * Since Direct3D can do rescaling for us, stick to the default
 331      * coordinates and aspect. */
 332     p_vout->output.i_width  = p_vout->render.i_width;
 333     p_vout->output.i_height = p_vout->render.i_height;
 334     p_vout->output.i_aspect = p_vout->render.i_aspect;
 335     p_vout->fmt_out = p_vout->fmt_in;
 336     E_(UpdateRects)( p_vout, VLC_TRUE );
 337
 338     /*  create picture pool */
 339     p_vout->output.i_chroma = 0;
 340     i_ret = Direct3DVoutCreatePictures(p_vout, 1);
 341     if( VLC_SUCCESS != i_ret )
 342     {
 343         msg_Err(p_vout, "Direct3D picture pool initialization failed !");
 344         return i_ret;
 345     }
 346
 347     /* create scene */
 348     i_ret = Direct3DVoutCreateScene(p_vout);
 349     if( VLC_SUCCESS != i_ret )
 350     {
 351         msg_Err(p_vout, "Direct3D scene initialization failed !");
 352         Direct3DVoutReleasePictures(p_vout);
 353         return i_ret;
 354     }
 355
 356     /* Change the window title bar text */
 357     PostMessage( p_vout->p_sys->hwnd, WM_VLC_CHANGE_TEXT, 0, 0 );
 358
 359     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 360     return VLC_SUCCESS;
 361 }
 362
 363 /*****************************************************************************
 364  * End: terminate Sys video thread output method
 365  *****************************************************************************
 366  * Terminate an output method created by Create.
 367  * It is called at the end of the thread.
 368  *****************************************************************************/
 369 static void End( vout_thread_t *p_vout )
 370 {
 371     Direct3DVoutReleaseScene(p_vout);
 372     Direct3DVoutReleasePictures(p_vout);
 373     Direct3DVoutClose( p_vout );
 374 }
 375
 376 /*****************************************************************************
 377  * Manage: handle Sys events
 378  *****************************************************************************
 379  * This function should be called regularly by the video output thread.
 380  * It returns a non null value if an error occurred.
 381  *****************************************************************************/
 382 static int Manage( vout_thread_t *p_vout )
 383 {
 384     /* If we do not control our window, we check for geometry changes
 385      * ourselves because the parent might not send us its events. */
 386     vlc_mutex_lock( &p_vout->p_sys->lock );
 387     if( p_vout->p_sys->hparent && !p_vout->b_fullscreen )
 388     {
 389         RECT rect_parent;
 390         POINT point;
 391
 392         vlc_mutex_unlock( &p_vout->p_sys->lock );
 393
 394         GetClientRect( p_vout->p_sys->hparent, &rect_parent );
 395         point.x = point.y = 0;
 396         ClientToScreen( p_vout->p_sys->hparent, &point );
 397         OffsetRect( &rect_parent, point.x, point.y );
 398
 399         if( !EqualRect( &rect_parent, &p_vout->p_sys->rect_parent ) )
 400         {
 401             p_vout->p_sys->rect_parent = rect_parent;
 402
 403             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 404                           rect_parent.right - rect_parent.left,
 405                           rect_parent.bottom - rect_parent.top,
 406                           SWP_NOZORDER );
 407         }
 408     }
 409     else
 410     {
 411         vlc_mutex_unlock( &p_vout->p_sys->lock );
 412     }
 413
 414     /*
 415      * Position Change
 416      */
 417     if( p_vout->p_sys->i_changes & DX_POSITION_CHANGE )
 418     {
 419 #if 0 /* need that when bicubic filter is available */
 420         RECT rect;
 421         UINT width, height;
 422
 423         GetClientRect(p_vout->p_sys->hvideownd, &rect);
 424         width  = rect.right-rect.left;
 425         height = rect.bottom-rect.top;
 426
 427         if( (width != p_vout->p_sys->d3dpp.BackBufferWidth)
 428          || (height != p_vout->p_sys->d3dpp.BackBufferHeight) )
 429         {
 430             msg_Dbg(p_vout, "resizing device back buffers to (%lux%lu)", width, height);
 431             // need to reset D3D device to resize back buffer
 432             if( VLC_SUCCESS != Direct3DVoutResetDevice(p_vout, width, height) )
 433                 return VLC_EGENERIC;
 434         }
 435 #endif
 436         p_vout->p_sys->i_changes &= ~DX_POSITION_CHANGE;
 437     }
 438
 439     /* Check for cropping / aspect changes */
 440     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
 441         p_vout->i_changes & VOUT_ASPECT_CHANGE )
 442     {
 443         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 444         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 445
 446         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
 447         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
 448         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
 449         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
 450         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
 451         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
 452         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
 453         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
 454         E_(UpdateRects)( p_vout, VLC_TRUE );
 455     }
 456
 457     /* We used to call the Win32 PeekMessage function here to read the window
 458      * messages. But since window can stay blocked into this function for a
 459      * long time (for example when you move your window on the screen), I
 460      * decided to isolate PeekMessage in another thread. */
 461
 462     /*
 463      * Fullscreen change
 464      */
 465     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE
 466         || p_vout->p_sys->i_changes & VOUT_FULLSCREEN_CHANGE )
 467     {
 468         Win32ToggleFullscreen( p_vout );
 469
 470         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 471         p_vout->p_sys->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 472     }
 473
 474     /*
 475      * Pointer change
 476      */
 477     if( p_vout->b_fullscreen && !p_vout->p_sys->b_cursor_hidden &&
 478         (mdate() - p_vout->p_sys->i_lastmoved) > 5000000 )
 479     {
 480         POINT point;
 481         HWND hwnd;
 482
 483         /* Hide the cursor only if it is inside our window */
 484         GetCursorPos( &point );
 485         hwnd = WindowFromPoint(point);
 486         if( hwnd == p_vout->p_sys->hwnd || hwnd == p_vout->p_sys->hvideownd )
 487         {
 488             PostMessage( p_vout->p_sys->hwnd, WM_VLC_HIDE_MOUSE, 0, 0 );
 489         }
 490         else
 491         {
 492             p_vout->p_sys->i_lastmoved = mdate();
 493         }
 494     }
 495
 496     /*
 497      * "Always on top" status change
 498      */
 499     if( p_vout->p_sys->b_on_top_change )
 500     {
 501         vlc_value_t val;
 502         HMENU hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
 503
 504         var_Get( p_vout, "video-on-top", &val );
 505
 506         /* Set the window on top if necessary */
 507         if( val.b_bool && !( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 508                            & WS_EX_TOPMOST ) )
 509         {
 510             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 511                            MF_BYCOMMAND | MFS_CHECKED );
 512             SetWindowPos( p_vout->p_sys->hwnd, HWND_TOPMOST, 0, 0, 0, 0,
 513                           SWP_NOSIZE | SWP_NOMOVE );
 514         }
 515         else
 516         /* The window shouldn't be on top */
 517         if( !val.b_bool && ( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 518                            & WS_EX_TOPMOST ) )
 519         {
 520             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 521                            MF_BYCOMMAND | MFS_UNCHECKED );
 522             SetWindowPos( p_vout->p_sys->hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
 523                           SWP_NOSIZE | SWP_NOMOVE );
 524         }
 525
 526         p_vout->p_sys->b_on_top_change = VLC_FALSE;
 527     }
 528
 529     /* Check if the event thread is still running */
 530     if( p_vout->p_sys->p_event->b_die )
 531     {
 532         return VLC_EGENERIC; /* exit */
 533     }
 534
 535     return VLC_SUCCESS;
 536 }
 537
 538 /*****************************************************************************
 539  * Display: displays previously rendered output
 540  *****************************************************************************
 541  * This function sends the currently rendered image to the display, wait until
 542  * it is displayed and switch the two rendering buffers, preparing next frame.
 543  *****************************************************************************/
 544 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
 545 {
 546     LPDIRECT3DDEVICE9       p_d3ddev = p_vout->p_sys->p_d3ddev;
 547     // Present the back buffer contents to the display
 548     // stretching and filtering happens here
 549     HRESULT hr = IDirect3DDevice9_Present(p_d3ddev,
 550                     &(p_vout->p_sys->rect_src_clipped),
 551                     NULL, NULL, NULL);
 552     if( FAILED(hr) )
 553         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 554 }
 555
 556 /*
 557 ** this function is only used once when the first picture is received
 558 ** this function will show the video window once a picture is ready
 559 */
 560
 561 static void FirstDisplay( vout_thread_t *p_vout, picture_t *p_pic )
 562 {
 563     /* get initial picture presented through D3D */
 564     Display(p_vout, p_pic);
 565
 566     /*
 567     ** Video window is initially hidden, show it now since we got a
 568     ** picture to show.
 569     */
 570     SetWindowPos( p_vout->p_sys->hvideownd, 0, 0, 0, 0, 0,
 571         SWP_ASYNCWINDOWPOS|
 572         SWP_FRAMECHANGED|
 573         SWP_SHOWWINDOW|
 574         SWP_NOMOVE|
 575         SWP_NOSIZE|
 576         SWP_NOZORDER );
 577
 578     /* use and restores proper display function for further pictures */
 579     p_vout->pf_display = Display;
 580 }
 581
 582 /*****************************************************************************
 583  * DirectD3DVoutCreate: Initialize and instance of Direct3D9
 584  *****************************************************************************
 585  * This function initialize Direct3D and analyze available resources from
 586  * default adapter.
 587  *****************************************************************************/
 588 static int Direct3DVoutCreate( vout_thread_t *p_vout )
 589 {
 590     HRESULT hr;
 591     LPDIRECT3D9 p_d3dobj;
 592     D3DCAPS9 d3dCaps;
 593
 594     LPDIRECT3D9 (WINAPI *OurDirect3DCreate9)(UINT SDKVersion);
 595
 596     p_vout->p_sys->hd3d9_dll = LoadLibrary(TEXT("D3D9.DLL"));
 597     if( NULL == p_vout->p_sys->hd3d9_dll )
 598     {
 599         msg_Warn( p_vout, "cannot load d3d9.dll, aborting" );
 600         return VLC_EGENERIC;
 601     }
 602
 603     OurDirect3DCreate9 =
 604       (void *)GetProcAddress( p_vout->p_sys->hd3d9_dll,
 605                               TEXT("Direct3DCreate9") );
 606     if( OurDirect3DCreate9 == NULL )
 607     {
 608         msg_Err( p_vout, "Cannot locate reference to Direct3DCreate9 ABI in DLL" );
 609         return VLC_EGENERIC;
 610     }
 611
 612     /* Create the D3D object. */
 613     p_d3dobj = OurDirect3DCreate9( D3D_SDK_VERSION );
 614     if( NULL == p_d3dobj )
 615     {
 616        msg_Err( p_vout, "Could not create Direct3D9 instance.");
 617        return VLC_EGENERIC;
 618     }
 619     p_vout->p_sys->p_d3dobj = p_d3dobj;
 620
 621     /*
 622     ** Get device capabilities
 623     */
 624     ZeroMemory(&d3dCaps, sizeof(d3dCaps));
 625     hr = IDirect3D9_GetDeviceCaps(p_d3dobj, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &d3dCaps);
 626     if( FAILED(hr) )
 627     {
 628        msg_Err( p_vout, "Could not read adapter capabilities. (hr=0x%lX)", hr);
 629        return VLC_EGENERIC;
 630     }
 631     /* TODO: need to test device capabilities and select the right render function */
 632
 633     return VLC_SUCCESS;
 634 }
 635
 636 /*****************************************************************************
 637  * DirectD3DVoutRelease: release an instance of Direct3D9
 638  *****************************************************************************/
 639
 640 static void Direct3DVoutRelease( vout_thread_t *p_vout )
 641 {
 642     if( p_vout->p_sys->p_d3dobj )
 643     {
 644        IDirect3D9_Release(p_vout->p_sys->p_d3dobj);
 645        p_vout->p_sys->p_d3dobj = NULL;
 646     }
 647     if( NULL != p_vout->p_sys->hd3d9_dll )
 648     {
 649         FreeLibrary(p_vout->p_sys->hd3d9_dll);
 650         p_vout->p_sys->hd3d9_dll = NULL;
 651     }
 652 }
 653
 654 static int Direct3DFillPresentationParameters(vout_thread_t *p_vout, D3DPRESENT_PARAMETERS *d3dpp)
 655 {
 656     LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 657     D3DDISPLAYMODE d3ddm;
 658     HRESULT hr;
 659
 660     /*
 661     ** Get the current desktop display mode, so we can set up a back
 662     ** buffer of the same format
 663     */
 664     hr = IDirect3D9_GetAdapterDisplayMode(p_d3dobj, D3DADAPTER_DEFAULT, &d3ddm );
 665     if( FAILED(hr))
 666     {
 667        msg_Err( p_vout, "Could not read adapter display mode. (hr=0x%lX)", hr);
 668        return VLC_EGENERIC;
 669     }
 670
 671     /* keep a copy of current desktop format */
 672     p_vout->p_sys->bbFormat = d3ddm.Format;
 673
 674     /* Set up the structure used to create the D3DDevice. */
 675     ZeroMemory( d3dpp, sizeof(D3DPRESENT_PARAMETERS) );
 676     d3dpp->Flags                  = D3DPRESENTFLAG_VIDEO;
 677     d3dpp->Windowed               = TRUE;
 678     d3dpp->hDeviceWindow          = p_vout->p_sys->hvideownd;
 679     d3dpp->BackBufferWidth        = p_vout->output.i_width;
 680     d3dpp->BackBufferHeight       = p_vout->output.i_height;
 681     d3dpp->SwapEffect             = D3DSWAPEFFECT_COPY;
 682     d3dpp->MultiSampleType        = D3DMULTISAMPLE_NONE;
 683     d3dpp->PresentationInterval   = D3DPRESENT_INTERVAL_DEFAULT;
 684     d3dpp->BackBufferFormat       = d3ddm.Format;
 685     d3dpp->BackBufferCount        = 1;
 686     d3dpp->EnableAutoDepthStencil = FALSE;
 687
 688     return VLC_SUCCESS;
 689 }
 690
 691 /*****************************************************************************
 692  * DirectD3DVoutOpen: Takes care of all the Direct3D9 initialisations
 693  *****************************************************************************
 694  * This function creates Direct3D device
 695  * this must be called from the vout thread for performance reason, as
 696  * all Direct3D Device APIs are used in a non multithread safe environment
 697  *****************************************************************************/
 698 static int Direct3DVoutOpen( vout_thread_t *p_vout )
 699 {
 700     LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 701     LPDIRECT3DDEVICE9 p_d3ddev;
 702     D3DPRESENT_PARAMETERS d3dpp;
 703     HRESULT hr;
 704
 705     if( VLC_SUCCESS != Direct3DFillPresentationParameters(p_vout, &d3dpp) )
 706         return VLC_EGENERIC;
 707
 708     // Create the D3DDevice
 709     hr = IDirect3D9_CreateDevice(p_d3dobj, D3DADAPTER_DEFAULT,
 710                                  D3DDEVTYPE_HAL, p_vout->p_sys->hvideownd,
 711                                  D3DCREATE_SOFTWARE_VERTEXPROCESSING|
 712                                  D3DCREATE_MULTITHREADED,
 713                                  &d3dpp, &p_d3ddev );
 714     if( FAILED(hr) )
 715     {
 716        msg_Err(p_vout, "Could not create the D3D device! (hr=0x%lX)", hr);
 717        return VLC_EGENERIC;
 718     }
 719     p_vout->p_sys->p_d3ddev = p_d3ddev;
 720
 721     msg_Dbg( p_vout, "Direct3D device adapter successfully initialized" );
 722     return VLC_SUCCESS;
 723 }
 724
 725 /*****************************************************************************
 726  * DirectD3DClose: release the Direct3D9 device
 727  *****************************************************************************/
 728 static void Direct3DVoutClose( vout_thread_t *p_vout )
 729 {
 730     if( p_vout->p_sys->p_d3ddev )
 731     {
 732        IDirect3DDevice9_Release(p_vout->p_sys->p_d3ddev);
 733        p_vout->p_sys->p_d3ddev = NULL;
 734     }
 735
 736     p_vout->p_sys->hmonitor = NULL;
 737 }
 738
 739 /*****************************************************************************
 740  * DirectD3DClose: reset the Direct3D9 device
 741  *****************************************************************************
 742  * All resources must be deallocated before the reset occur, they will be
 743  * realllocated once the reset has been performed successfully
 744  *****************************************************************************/
 745 static int Direct3DVoutResetDevice( vout_thread_t *p_vout )
 746 {
 747     LPDIRECT3DDEVICE9       p_d3ddev = p_vout->p_sys->p_d3ddev;
 748     D3DPRESENT_PARAMETERS   d3dpp;
 749     HRESULT hr;
 750
 751     if( VLC_SUCCESS != Direct3DFillPresentationParameters(p_vout, &d3dpp) )
 752         return VLC_EGENERIC;
 753
 754     // release all D3D objects
 755     Direct3DVoutReleaseScene( p_vout );
 756     Direct3DVoutReleasePictures( p_vout );
 757
 758     hr = IDirect3DDevice9_Reset(p_d3ddev, &d3dpp);
 759     if( SUCCEEDED(hr) )
 760     {
 761         // re-create them
 762         if( (VLC_SUCCESS != Direct3DVoutCreatePictures(p_vout, 1))
 763          || (VLC_SUCCESS != Direct3DVoutCreateScene(p_vout)) )
 764         {
 765             msg_Dbg(p_vout, "%s failed !", __FUNCTION__);
 766             return VLC_EGENERIC;
 767         }
 768     }
 769     else {
 770         msg_Err(p_vout, "%s failed ! (hr=%08lX)", __FUNCTION__, hr);
 771         return VLC_EGENERIC;
 772     }
 773     return VLC_SUCCESS;
 774 }
 775
 776 static D3DFORMAT Direct3DVoutSelectFormat( vout_thread_t *p_vout, D3DFORMAT target,
 777     const D3DFORMAT *formats, size_t count)
 778 {
 779     LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 780     size_t c;
 781
 782     for( c=0; c<count; ++c )
 783     {
 784         HRESULT hr;
 785         D3DFORMAT format = formats[c];
 786         /* test whether device can create a surface of that format */
 787         hr = IDirect3D9_CheckDeviceFormat(p_d3dobj, D3DADAPTER_DEFAULT,
 788                 D3DDEVTYPE_HAL, target, 0, D3DRTYPE_SURFACE, format);
 789         if( SUCCEEDED(hr) )
 790         {
 791             /* test whether device can perform color-conversion
 792             ** from that format to target format
 793             */
 794             hr = IDirect3D9_CheckDeviceFormatConversion(p_d3dobj,
 795                     D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
 796                     format, target);
 797         }
 798         if( SUCCEEDED(hr) )
 799         {
 800             // found a compatible format
 801             switch( format )
 802             {
 803                 case D3DFMT_UYVY:
 804                     msg_Dbg( p_vout, "selected surface pixel format is UYVY");
 805                     break;
 806                 case D3DFMT_YUY2:
 807                     msg_Dbg( p_vout, "selected surface pixel format is YUY2");
 808                     break;
 809                 case D3DFMT_X8R8G8B8:
 810                     msg_Dbg( p_vout, "selected surface pixel format is X8R8G8B8");
 811                     break;
 812                 case D3DFMT_A8R8G8B8:
 813                     msg_Dbg( p_vout, "selected surface pixel format is A8R8G8B8");
 814                     break;
 815                 case D3DFMT_R8G8B8:
 816                     msg_Dbg( p_vout, "selected surface pixel format is R8G8B8");
 817                     break;
 818                 case D3DFMT_R5G6B5:
 819                     msg_Dbg( p_vout, "selected surface pixel format is R5G6B5");
 820                     break;
 821                 case D3DFMT_X1R5G5B5:
 822                     msg_Dbg( p_vout, "selected surface pixel format is X1R5G5B5");
 823                     break;
 824                 default:
 825                     msg_Dbg( p_vout, "selected surface pixel format is 0x%0X", format);
 826                     break;
 827             }
 828             return format;
 829         }
 830         else if( D3DERR_NOTAVAILABLE != hr )
 831         {
 832             msg_Err( p_vout, "Could not query adapter supported formats. (hr=0x%lX)", hr);
 833             break;
 834         }
 835     }
 836     return D3DFMT_UNKNOWN;
 837 }
 838
 839 static D3DFORMAT Direct3DVoutFindFormat(vout_thread_t *p_vout, int i_chroma, D3DFORMAT target)
 840 {
 841     //if( p_vout->p_sys->b_hw_yuv && ! _got_vista_or_above )
 842     if( p_vout->p_sys->b_hw_yuv )
 843     {
 844     /* it sounds like vista does not support YUV surfaces at all */
 845         switch( i_chroma )
 846         {
 847             case VLC_FOURCC('U','Y','V','Y'):
 848             case VLC_FOURCC('U','Y','N','V'):
 849             case VLC_FOURCC('Y','4','2','2'):
 850             {
 851                 static const D3DFORMAT formats[] =
 852                     { D3DFMT_UYVY, D3DFMT_YUY2, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 853                 return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 854             }
 855             case VLC_FOURCC('I','4','2','0'):
 856             case VLC_FOURCC('I','4','2','2'):
 857             case VLC_FOURCC('Y','V','1','2'):
 858             {
 859                 /* typically 3D textures don't support planar format
 860                 ** fallback to packed version and use CPU for the conversion
 861                 */
 862                 static const D3DFORMAT formats[] =
 863                     { D3DFMT_YUY2, D3DFMT_UYVY, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 864                 return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 865             }
 866             case VLC_FOURCC('Y','U','Y','2'):
 867             case VLC_FOURCC('Y','U','N','V'):
 868             {
 869                 static const D3DFORMAT formats[] =
 870                     { D3DFMT_YUY2, D3DFMT_UYVY, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 871                 return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 872             }
 873         }
 874     }
 875
 876     switch( i_chroma )
 877     {
 878         case VLC_FOURCC('R', 'V', '1', '5'):
 879         {
 880             static const D3DFORMAT formats[] =
 881                 { D3DFMT_X1R5G5B5 };
 882             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 883         }
 884         case VLC_FOURCC('R', 'V', '1', '6'):
 885         {
 886             static const D3DFORMAT formats[] =
 887                 { D3DFMT_R5G6B5 };
 888             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 889         }
 890         case VLC_FOURCC('R', 'V', '2', '4'):
 891         {
 892             static const D3DFORMAT formats[] =
 893                 { D3DFMT_R8G8B8, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8 };
 894             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 895         }
 896         case VLC_FOURCC('R', 'V', '3', '2'):
 897         {
 898             static const D3DFORMAT formats[] =
 899                 { D3DFMT_A8R8G8B8, D3DFMT_X8R8G8B8 };
 900             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 901         }
 902         default:
 903         {
 904             /* use display default format */
 905             LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 906             D3DDISPLAYMODE d3ddm;
 907
 908             HRESULT hr = IDirect3D9_GetAdapterDisplayMode(p_d3dobj, D3DADAPTER_DEFAULT, &d3ddm );
 909             if( SUCCEEDED(hr))
 910             {
 911                 /*
 912                 ** some professional cards could use some advanced pixel format as default,
 913                 ** make sure we stick with chromas that we can handle internally
 914                 */
 915                 switch( d3ddm.Format )
 916                 {
 917                     case D3DFMT_R8G8B8:
 918                     case D3DFMT_X8R8G8B8:
 919                     case D3DFMT_A8R8G8B8:
 920                     case D3DFMT_R5G6B5:
 921                     case D3DFMT_X1R5G5B5:
 922                         msg_Dbg( p_vout, "defaulting to adapter pixel format");
 923                         return Direct3DVoutSelectFormat(p_vout, target, &d3ddm.Format, 1);
 924                     default:
 925                     {
 926                         /* if we fall here, that probably means that we need to render some YUV format */
 927                         static const D3DFORMAT formats[] =
 928                             { D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 929                         msg_Dbg( p_vout, "defaulting to built-in pixel format");
 930                         return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 931                     }
 932                 }
 933             }
 934         }
 935     }
 936     return D3DFMT_UNKNOWN;
 937 }
 938
 939 static int Direct3DVoutSetOutputFormat(vout_thread_t *p_vout, D3DFORMAT format)
 940 {
 941     switch( format )
 942     {
 943         case D3DFMT_YUY2:
 944             p_vout->output.i_chroma = VLC_FOURCC('Y', 'U', 'Y', '2');
 945             break;
 946         case D3DFMT_UYVY:
 947             p_vout->output.i_chroma = VLC_FOURCC('U', 'Y', 'V', 'Y');
 948             break;
 949         case D3DFMT_R8G8B8:
 950             p_vout->output.i_chroma = VLC_FOURCC('R', 'V', '2', '4');
 951             p_vout->output.i_rmask = 0xff0000;
 952             p_vout->output.i_gmask = 0x00ff00;
 953             p_vout->output.i_bmask = 0x0000ff;
 954             break;
 955         case D3DFMT_X8R8G8B8:
 956         case D3DFMT_A8R8G8B8:
 957             p_vout->output.i_chroma = VLC_FOURCC('R', 'V', '3', '2');
 958             p_vout->output.i_rmask = 0x00ff0000;
 959             p_vout->output.i_gmask = 0x0000ff00;
 960             p_vout->output.i_bmask = 0x000000ff;
 961             break;
 962         case D3DFMT_R5G6B5:
 963             p_vout->output.i_chroma = VLC_FOURCC('R', 'V', '1', '6');
 964             p_vout->output.i_rmask = (0x1fL)<<11;
 965             p_vout->output.i_gmask = (0x3fL)<<5;
 966             p_vout->output.i_bmask = (0x1fL)<<0;
 967             break;
 968         case D3DFMT_X1R5G5B5:
 969             p_vout->output.i_chroma = VLC_FOURCC('R', 'V', '1', '5');
 970             p_vout->output.i_rmask = (0x1fL)<<10;
 971             p_vout->output.i_gmask = (0x1fL)<<5;
 972             p_vout->output.i_bmask = (0x1fL)<<0;
 973             break;
 974         default:
 975             return VLC_EGENERIC;
 976     }
 977     return VLC_SUCCESS;
 978 }
 979
 980 /*****************************************************************************
 981  * Direct3DVoutCreatePictures: allocate a vector of identical pictures
 982  *****************************************************************************
 983  * Each picture has an associated offscreen surface in video memory
 984  * depending on hardware capabilities the picture chroma will be as close
 985  * as possible to the orginal render chroma to reduce CPU conversion overhead
 986  * and delegate this work to video card GPU
 987  *****************************************************************************/
 988 static int Direct3DVoutCreatePictures( vout_thread_t *p_vout, size_t i_num_pics )
 989 {
 990     LPDIRECT3DDEVICE9       p_d3ddev  = p_vout->p_sys->p_d3ddev;
 991     D3DFORMAT               format;
 992     HRESULT hr;
 993     size_t c;
 994     // if vout is already running, use current chroma, otherwise choose from upstream
 995     int i_chroma = p_vout->output.i_chroma ? : p_vout->render.i_chroma;
 996
 997     I_OUTPUTPICTURES = 0;
 998
 999     /*
1000     ** find the appropriate D3DFORMAT for the render chroma, the format will be the closest to
1001     ** the requested chroma which is usable by the hardware in an offscreen surface, as they
1002     ** typically support more formats than textures
1003     */
1004     format = Direct3DVoutFindFormat(p_vout, i_chroma, p_vout->p_sys->bbFormat);
1005     if( VLC_SUCCESS != Direct3DVoutSetOutputFormat(p_vout, format) )
1006     {
1007         msg_Err(p_vout, "surface pixel format is not supported.");
1008         return VLC_EGENERIC;
1009     }
1010
1011     for( c=0; c<i_num_pics; )
1012     {
1013
1014         LPDIRECT3DSURFACE9 p_d3dsurf;
1015         picture_t *p_pic = p_vout->p_picture+c;
1016
1017         hr = IDirect3DDevice9_CreateOffscreenPlainSurface(p_d3ddev,
1018                 p_vout->render.i_width,
1019                 p_vout->render.i_height,
1020                 format,
1021                 D3DPOOL_DEFAULT,
1022                 &p_d3dsurf,
1023                 NULL);
1024         if( FAILED(hr) )
1025         {
1026             msg_Err(p_vout, "Failed to create picture surface. (hr=0x%lx)", hr);
1027             Direct3DVoutReleasePictures(p_vout);
1028             return VLC_EGENERIC;
1029         }
1030
1031         /* fill surface with black color */
1032         IDirect3DDevice9_ColorFill(p_d3ddev, p_d3dsurf, NULL, D3DCOLOR_ARGB(0xFF, 0, 0, 0) );
1033
1034         /* assign surface to internal structure */
1035         p_pic->p_sys = (void *)p_d3dsurf;
1036
1037         /* Now that we've got our direct-buffer, we can finish filling in the
1038          * picture_t structures */
1039         switch( p_vout->output.i_chroma )
1040         {
1041             case VLC_FOURCC('R','G','B','2'):
1042                 p_pic->p->i_lines = p_vout->output.i_height;
1043                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1044                 p_pic->p->i_pixel_pitch = 1;
1045                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1046                     p_pic->p->i_pixel_pitch;
1047                 p_pic->i_planes = 1;
1048             break;
1049             case VLC_FOURCC('R','V','1','5'):
1050             case VLC_FOURCC('R','V','1','6'):
1051                 p_pic->p->i_lines = p_vout->output.i_height;
1052                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1053                 p_pic->p->i_pixel_pitch = 2;
1054                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1055                     p_pic->p->i_pixel_pitch;
1056                 p_pic->i_planes = 1;
1057             break;
1058             case VLC_FOURCC('R','V','2','4'):
1059                 p_pic->p->i_lines = p_vout->output.i_height;
1060                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1061                 p_pic->p->i_pixel_pitch = 3;
1062                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1063                     p_pic->p->i_pixel_pitch;
1064                 p_pic->i_planes = 1;
1065             break;
1066             case VLC_FOURCC('R','V','3','2'):
1067                 p_pic->p->i_lines = p_vout->output.i_height;
1068                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1069                 p_pic->p->i_pixel_pitch = 4;
1070                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1071                     p_pic->p->i_pixel_pitch;
1072                 p_pic->i_planes = 1;
1073                 break;
1074             case VLC_FOURCC('U','Y','V','Y'):
1075             case VLC_FOURCC('Y','U','Y','2'):
1076                 p_pic->p->i_lines = p_vout->output.i_height;
1077                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1078                 p_pic->p->i_pixel_pitch = 2;
1079                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1080                     p_pic->p->i_pixel_pitch;
1081                 p_pic->i_planes = 1;
1082                 break;
1083             default:
1084                 Direct3DVoutReleasePictures(p_vout);
1085                 return VLC_EGENERIC;
1086         }
1087         p_pic->i_status = DESTROYED_PICTURE;
1088         p_pic->i_type   = DIRECT_PICTURE;
1089         p_pic->b_slow   = VLC_TRUE;
1090         p_pic->pf_lock  = Direct3DVoutLockSurface;
1091         p_pic->pf_unlock = Direct3DVoutUnlockSurface;
1092         PP_OUTPUTPICTURE[c] = p_pic;
1093
1094         I_OUTPUTPICTURES = ++c;
1095     }
1096
1097     msg_Dbg( p_vout, "%u Direct3D pictures created successfully", c );
1098
1099     return VLC_SUCCESS;
1100 }
1101
1102 /*****************************************************************************
1103  * Direct3DVoutReleasePictures: destroy a picture vector
1104  *****************************************************************************
1105  * release all video resources used for pictures
1106  *****************************************************************************/
1107 static void Direct3DVoutReleasePictures( vout_thread_t *p_vout)
1108 {
1109     size_t i_num_pics = I_OUTPUTPICTURES;
1110     size_t c;
1111     for( c=0; c<i_num_pics; ++c )
1112     {
1113         picture_t *p_pic = p_vout->p_picture+c;
1114         if( p_pic->p_sys )
1115         {
1116             LPDIRECT3DSURFACE9 p_d3dsurf = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1117
1118             p_pic->p_sys = NULL;
1119
1120             if( p_d3dsurf )
1121             {
1122                 IDirect3DSurface9_Release(p_d3dsurf);
1123             }
1124         }
1125     }
1126     msg_Dbg( p_vout, "%u Direct3D pictures released.", c);
1127
1128     I_OUTPUTPICTURES = 0;
1129 }
1130
1131 /*****************************************************************************
1132  * Direct3DVoutLockSurface: Lock surface and get picture data pointer
1133  *****************************************************************************
1134  * This function locks a surface and get the surface descriptor which amongst
1135  * other things has the pointer to the picture data.
1136  *****************************************************************************/
1137 static int Direct3DVoutLockSurface( vout_thread_t *p_vout, picture_t *p_pic )
1138 {
1139     HRESULT hr;
1140     D3DLOCKED_RECT d3drect;
1141     LPDIRECT3DSURFACE9 p_d3dsurf = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1142
1143     if( NULL == p_d3dsurf )
1144         return VLC_EGENERIC;
1145
1146     /* Lock the surface to get a valid pointer to the picture buffer */
1147     hr = IDirect3DSurface9_LockRect(p_d3dsurf, &d3drect, NULL, 0);
1148     if( FAILED(hr) )
1149     {
1150         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1151         return VLC_EGENERIC;
1152     }
1153
1154     /* fill in buffer info in first plane */
1155     p_pic->p->p_pixels = d3drect.pBits;
1156     p_pic->p->i_pitch  = d3drect.Pitch;
1157
1158     return VLC_SUCCESS;
1159 }
1160
1161 /*****************************************************************************
1162  * Direct3DVoutUnlockSurface: Unlock a surface locked by Direct3DLockSurface().
1163  *****************************************************************************/
1164 static int Direct3DVoutUnlockSurface( vout_thread_t *p_vout, picture_t *p_pic )
1165 {
1166     HRESULT hr;
1167     LPDIRECT3DSURFACE9 p_d3dsurf = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1168
1169     if( NULL == p_d3dsurf )
1170         return VLC_EGENERIC;
1171
1172     /* Unlock the Surface */
1173     hr = IDirect3DSurface9_UnlockRect(p_d3dsurf);
1174     if( FAILED(hr) )
1175     {
1176         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1177         return VLC_EGENERIC;
1178     }
1179     return VLC_SUCCESS;
1180 }
1181
1182 /*****************************************************************************
1183  * Direct3DVoutCreateScene: allocate and initialize a 3D scene
1184  *****************************************************************************
1185  * for advanced blending/filtering a texture needs be used in a 3D scene.
1186  *****************************************************************************/
1187
1188 static int Direct3DVoutCreateScene( vout_thread_t *p_vout )
1189 {
1190     LPDIRECT3DDEVICE9       p_d3ddev  = p_vout->p_sys->p_d3ddev;
1191     LPDIRECT3DTEXTURE9      p_d3dtex;
1192     LPDIRECT3DVERTEXBUFFER9 p_d3dvtc;
1193
1194     HRESULT hr;
1195
1196     /*
1197     ** Create a texture for use when rendering a scene
1198     ** for performance reason, texture format is identical to backbuffer
1199     ** which would usually be a RGB format
1200     */
1201     hr = IDirect3DDevice9_CreateTexture(p_d3ddev,
1202             p_vout->render.i_width,
1203             p_vout->render.i_height,
1204             1,
1205             D3DUSAGE_RENDERTARGET,
1206             p_vout->p_sys->bbFormat,
1207             D3DPOOL_DEFAULT,
1208             &p_d3dtex,
1209             NULL);
1210     if( FAILED(hr))
1211     {
1212         msg_Err(p_vout, "Failed to create texture. (hr=0x%lx)", hr);
1213         return VLC_EGENERIC;
1214     }
1215
1216     /*
1217     ** Create a vertex buffer for use when rendering scene
1218     */
1219     hr = IDirect3DDevice9_CreateVertexBuffer(p_d3ddev,
1220             sizeof(CUSTOMVERTEX)*4,
1221             D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY,
1222             D3DFVF_CUSTOMVERTEX,
1223             D3DPOOL_DEFAULT,
1224             &p_d3dvtc,
1225             NULL);
1226     if( FAILED(hr) )
1227     {
1228         msg_Err(p_vout, "Failed to create vertex buffer. (hr=0x%lx)", hr);
1229             IDirect3DTexture9_Release(p_d3dtex);
1230         return VLC_EGENERIC;
1231     }
1232
1233     p_vout->p_sys->p_d3dtex = p_d3dtex;
1234     p_vout->p_sys->p_d3dvtc = p_d3dvtc;
1235
1236     // Texture coordinates outside the range [0.0, 1.0] are set
1237     // to the texture color at 0.0 or 1.0, respectively.
1238     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
1239     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
1240
1241     // Set linear filtering quality
1242     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
1243     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
1244
1245     // set maximum ambient light
1246     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_AMBIENT, D3DCOLOR_XRGB(255,255,255));
1247
1248     // Turn off culling
1249     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_CULLMODE, D3DCULL_NONE);
1250
1251     // Turn off the zbuffer
1252     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ZENABLE, D3DZB_FALSE);
1253
1254     // Turn off lights
1255     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_LIGHTING, FALSE);
1256
1257     // Enable dithering
1258     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_DITHERENABLE, TRUE);
1259
1260     // disable stencil
1261     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_STENCILENABLE, FALSE);
1262
1263     // manage blending
1264     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHABLENDENABLE, TRUE);
1265     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_SRCBLEND,D3DBLEND_SRCALPHA);
1266     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_DESTBLEND,D3DBLEND_INVSRCALPHA);
1267     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHATESTENABLE,TRUE);
1268     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHAREF, 0x10);
1269     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHAFUNC,D3DCMP_GREATER);
1270
1271     // Set texture states
1272     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_COLOROP,D3DTOP_MODULATE);
1273     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_COLORARG1,D3DTA_TEXTURE);
1274     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_COLORARG2,D3DTA_DIFFUSE);
1275
1276     // turn off alpha operation
1277     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
1278
1279     msg_Dbg( p_vout, "Direct3D scene created successfully");
1280
1281     return VLC_SUCCESS;
1282 }
1283
1284 /*****************************************************************************
1285  * Direct3DVoutReleaseScene
1286  *****************************************************************************/
1287 static void Direct3DVoutReleaseScene( vout_thread_t *p_vout )
1288 {
1289     LPDIRECT3DTEXTURE9      p_d3dtex = p_vout->p_sys->p_d3dtex;
1290     LPDIRECT3DVERTEXBUFFER9 p_d3dvtc = p_vout->p_sys->p_d3dvtc;
1291
1292     if( p_d3dvtc )
1293     {
1294         IDirect3DVertexBuffer9_Release(p_d3dvtc);
1295         p_vout->p_sys->p_d3dvtc = NULL;
1296     }
1297
1298     if( p_d3dtex )
1299     {
1300         IDirect3DTexture9_Release(p_d3dtex);
1301         p_vout->p_sys->p_d3dtex = NULL;
1302     }
1303     msg_Dbg( p_vout, "Direct3D scene released successfully");
1304 }
1305
1306 /*****************************************************************************
1307  * Render: copy picture surface into a texture and render into a scene
1308  *****************************************************************************
1309  * This function is intented for higher end 3D cards, with pixel shader support
1310  * and at least 64 MB of video RAM.
1311  *****************************************************************************/
1312 static void Direct3DVoutRenderScene( vout_thread_t *p_vout, picture_t *p_pic )
1313 {
1314     LPDIRECT3DDEVICE9       p_d3ddev  = p_vout->p_sys->p_d3ddev;
1315     LPDIRECT3DTEXTURE9      p_d3dtex;
1316     LPDIRECT3DVERTEXBUFFER9 p_d3dvtc;
1317     LPDIRECT3DSURFACE9      p_d3dsrc, p_d3ddest;
1318     CUSTOMVERTEX            *p_vertices;
1319     HRESULT hr;
1320     float f_width, f_height;
1321
1322     // check if device is still available
1323     hr = IDirect3DDevice9_TestCooperativeLevel(p_d3ddev);
1324     if( FAILED(hr) )
1325     {
1326         if( (D3DERR_DEVICENOTRESET != hr)
1327          || (VLC_SUCCESS != Direct3DVoutResetDevice(p_vout)) )
1328         {
1329             // device is not usable at present (lost device, out of video mem ?)
1330             return;
1331         }
1332     }
1333     p_d3dtex  = p_vout->p_sys->p_d3dtex;
1334     p_d3dvtc  = p_vout->p_sys->p_d3dvtc;
1335
1336     /* Clear the backbuffer and the zbuffer */
1337     hr = IDirect3DDevice9_Clear( p_d3ddev, 0, NULL, D3DCLEAR_TARGET,
1338                               D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0 );
1339     if( FAILED(hr) )
1340     {
1341         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1342         return;
1343     }
1344
1345     /*  retrieve picture surface */
1346     p_d3dsrc = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1347     if( NULL == p_d3dsrc )
1348     {
1349         msg_Dbg( p_vout, "no surface to render ?");
1350         return;
1351     }
1352
1353     /* retrieve texture top-level surface */
1354     hr = IDirect3DTexture9_GetSurfaceLevel(p_d3dtex, 0, &p_d3ddest);
1355     if( FAILED(hr) )
1356     {
1357         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1358         return;
1359     }
1360
1361     /* Copy picture surface into texture surface, color space conversion happens here */
1362     hr = IDirect3DDevice9_StretchRect(p_d3ddev, p_d3dsrc, NULL, p_d3ddest, NULL, D3DTEXF_NONE);
1363     IDirect3DSurface9_Release(p_d3ddest);
1364     if( FAILED(hr) )
1365     {
1366         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1367         return;
1368     }
1369
1370     /* Update the vertex buffer */
1371     hr = IDirect3DVertexBuffer9_Lock(p_d3dvtc, 0, 0, (VOID **)(&p_vertices), D3DLOCK_DISCARD);
1372     if( FAILED(hr) )
1373     {
1374         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1375         return;
1376     }
1377
1378     /* Setup vertices */
1379     f_width  = (float)(p_vout->output.i_width);
1380     f_height = (float)(p_vout->output.i_height);
1381
1382     p_vertices[0].x       = 0.0f;       // left
1383     p_vertices[0].y       = 0.0f;       // top
1384     p_vertices[0].z       = 0.0f;
1385     p_vertices[0].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1386     p_vertices[0].rhw     = 1.0f;
1387     p_vertices[0].tu      = 0.0f;
1388     p_vertices[0].tv      = 0.0f;
1389
1390     p_vertices[1].x       = f_width;    // right
1391     p_vertices[1].y       = 0.0f;       // top
1392     p_vertices[1].z       = 0.0f;
1393     p_vertices[1].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1394     p_vertices[1].rhw     = 1.0f;
1395     p_vertices[1].tu      = 1.0f;
1396     p_vertices[1].tv      = 0.0f;
1397
1398     p_vertices[2].x       = f_width;    // right
1399     p_vertices[2].y       = f_height;   // bottom
1400     p_vertices[2].z       = 0.0f;
1401     p_vertices[2].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1402     p_vertices[2].rhw     = 1.0f;
1403     p_vertices[2].tu      = 1.0f;
1404     p_vertices[2].tv      = 1.0f;
1405
1406     p_vertices[3].x       = 0.0f;       // left
1407     p_vertices[3].y       = f_height;   // bottom
1408     p_vertices[3].z       = 0.0f;
1409     p_vertices[3].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1410     p_vertices[3].rhw     = 1.0f;
1411     p_vertices[3].tu      = 0.0f;
1412     p_vertices[3].tv      = 1.0f;
1413
1414     hr= IDirect3DVertexBuffer9_Unlock(p_d3dvtc);
1415     if( FAILED(hr) )
1416     {
1417         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1418         return;
1419     }
1420
1421     // Begin the scene
1422     hr = IDirect3DDevice9_BeginScene(p_d3ddev);
1423     if( FAILED(hr) )
1424     {
1425         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1426         return;
1427     }
1428
1429     // Setup our texture. Using textures introduces the texture stage states,
1430     // which govern how textures get blended together (in the case of multiple
1431     // textures) and lighting information. In this case, we are modulating
1432     // (blending) our texture with the diffuse color of the vertices.
1433     hr = IDirect3DDevice9_SetTexture(p_d3ddev, 0, (LPDIRECT3DBASETEXTURE9)p_d3dtex);
1434     if( FAILED(hr) )
1435     {
1436         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1437         IDirect3DDevice9_EndScene(p_d3ddev);
1438         return;
1439     }
1440
1441     // Render the vertex buffer contents
1442     hr = IDirect3DDevice9_SetStreamSource(p_d3ddev, 0, p_d3dvtc, 0, sizeof(CUSTOMVERTEX));
1443     if( FAILED(hr) )
1444     {
1445         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1446         IDirect3DDevice9_EndScene(p_d3ddev);
1447         return;
1448     }
1449
1450     // we use FVF instead of vertex shader
1451     hr = IDirect3DDevice9_SetVertexShader(p_d3ddev, NULL);
1452     if( FAILED(hr) )
1453     {
1454         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1455         IDirect3DDevice9_EndScene(p_d3ddev);
1456         return;
1457     }
1458
1459     hr = IDirect3DDevice9_SetFVF(p_d3ddev, D3DFVF_CUSTOMVERTEX);
1460     if( FAILED(hr) )
1461     {
1462         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1463         IDirect3DDevice9_EndScene(p_d3ddev);
1464         return;
1465     }
1466
1467     // draw rectangle
1468     hr = IDirect3DDevice9_DrawPrimitive(p_d3ddev, D3DPT_TRIANGLEFAN, 0, 2);
1469     if( FAILED(hr) )
1470     {
1471         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1472         IDirect3DDevice9_EndScene(p_d3ddev);
1473         return;
1474     }
1475
1476     // End the scene
1477     hr = IDirect3DDevice9_EndScene(p_d3ddev);
1478     if( FAILED(hr) )
1479     {
1480         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1481         return;
1482     }
1483 }
1484