1 /*
2  * Copyright (c) 2008 Georgi Petrov (gogothebee) <gogothebee@gmail.com>
3  *
4  * This file is part of MPlayer.
5  *
6  * MPlayer is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * MPlayer is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20 
21 #include <windows.h>
22 #include <errno.h>
23 #include <stdio.h>
24 #include <d3d9.h>
25 #include "config.h"
26 #include "video_out.h"
27 #define NO_DRAW_FRAME
28 #include "video_out_internal.h"
29 #include "fastmemcpy.h"
30 #include "mp_msg.h"
31 #include "aspect.h"
32 #include "w32_common.h"
33 #include "libavutil/common.h"
34 #include "sub/font_load.h"
35 #include "sub/sub.h"
36 
37 static const vo_info_t info =
38 {
39     "Direct3D 9 Renderer",
40     "direct3d",
41     "Georgi Petrov (gogothebee) <gogothebee@gmail.com>",
42     ""
43 };
44 
45 /*
46  * Link essential libvo functions: preinit, config, control, draw_frame,
47  * draw_slice, draw_osd, flip_page, check_events, uninit and
48  * the structure info.
49  */
50 const LIBVO_EXTERN(direct3d)
51 
52 
53 /* Global variables "priv" structure. I try to keep their count low.
54  */
55 static struct global_priv {
56     int is_paused;              /**< 1 = Movie is paused,
57                                 0 = Movie is not paused */
58     int is_clear_needed;        /**< 1 = Clear the backbuffer before StretchRect
59                                 0 = (default) Don't clear it */
60     D3DLOCKED_RECT locked_rect; /**< The locked offscreen surface */
61     RECT fs_movie_rect;         /**< Rect (upscaled) of the movie when displayed
62                                 in fullscreen */
63     RECT fs_panscan_rect;       /**< PanScan source surface cropping in
64                                 fullscreen */
65     int src_width;              /**< Source (movie) width */
66     int src_height;             /**< Source (movie) heigth */
67     int border_x;               /**< horizontal border value for OSD */
68     int border_y;               /**< vertical border value for OSD */
69 
70     D3DFORMAT movie_src_fmt;        /**< Movie colorspace format (depends on
71                                     the movie's codec) */
72     D3DFORMAT desktop_fmt;          /**< Desktop (screen) colorspace format.
73                                     Usually XRGB */
74 
75     HANDLE d3d9_dll;                /**< d3d9 Library HANDLE */
76     IDirect3D9 * (WINAPI *pDirect3DCreate9)(UINT); /**< pointer to Direct3DCreate9 function */
77 
78     LPDIRECT3D9        d3d_handle;  /**< Direct3D Handle */
79     LPDIRECT3DDEVICE9  d3d_device;  /**< The Direct3D Adapter */
80     IDirect3DSurface9 *d3d_surface; /**< Offscreen Direct3D Surface. MPlayer
81                                     renders inside it. Uses colorspace
82                                     priv->movie_src_fmt */
83     IDirect3DTexture9 *d3d_texture_osd; /**< Direct3D Texture. Uses RGBA */
84     IDirect3DTexture9 *d3d_texture_system; /**< Direct3D Texture. System memory
85                                     cannot lock a normal texture. Uses RGBA */
86     IDirect3DSurface9 *d3d_backbuf; /**< Video card's back buffer (used to
87                                     display next frame) */
88     int cur_backbuf_width;          /**< Current backbuffer width */
89     int cur_backbuf_height;         /**< Current backbuffer height */
90     int is_osd_populated;           /**< 1 = OSD texture has something to display,
91                                     0 = OSD texture is clear */
92     int device_caps_power2_only;    /**< 1 = texture sizes have to be power 2
93                                     0 = texture sizes can be anything */
94     int device_caps_square_only;    /**< 1 = textures have to be square
95                                     0 = textures do not have to be square */
96     int device_texture_sys;         /**< 1 = device can texture from system memory
97                                     0 = device requires shadow */
98     int max_texture_width;          /**< from the device capabilities */
99     int max_texture_height;         /**< from the device capabilities */
100     int osd_width;                  /**< current width of the OSD */
101     int osd_height;                 /**< current height of the OSD */
102     int osd_texture_width;          /**< current width of the OSD texture */
103     int osd_texture_height;         /**< current height of the OSD texture */
104 } *priv;
105 
106 typedef struct {
107     const unsigned int  mplayer_fmt;   /**< Given by MPlayer */
108     const D3DFORMAT     fourcc;        /**< Required by D3D's test function */
109 } struct_fmt_table;
110 
111 /* Map table from reported MPlayer format to the required
112    fourcc. This is needed to perform the format query. */
113 
114 static const struct_fmt_table fmt_table[] = {
115     {IMGFMT_YV12,  MAKEFOURCC('Y','V','1','2')},
116     {IMGFMT_I420,  MAKEFOURCC('I','4','2','0')},
117     {IMGFMT_IYUV,  MAKEFOURCC('I','Y','U','V')},
118     {IMGFMT_YVU9,  MAKEFOURCC('Y','V','U','9')},
119     {IMGFMT_YUY2,  D3DFMT_YUY2},
120     {IMGFMT_UYVY,  D3DFMT_UYVY},
121     {IMGFMT_BGR32, D3DFMT_X8R8G8B8},
122     {IMGFMT_RGB32, D3DFMT_X8B8G8R8},
123     {IMGFMT_BGR24, D3DFMT_R8G8B8}, //untested
124     {IMGFMT_BGR16, D3DFMT_R5G6B5},
125     {IMGFMT_BGR15, D3DFMT_X1R5G5B5},
126     {IMGFMT_BGR8 , D3DFMT_R3G3B2}, //untested
127 };
128 
129 #define DISPLAY_FORMAT_TABLE_ENTRIES (sizeof(fmt_table) / sizeof(fmt_table[0]))
130 
131 #define D3DFVF_MY_VERTEX (D3DFVF_XYZ | D3DFVF_TEX1)
132 
133 typedef struct {
134     float x, y, z;      /* Position of vertex in 3D space */
135     float tu, tv;       /* Texture coordinates */
136 } struct_vertex;
137 
138 typedef enum back_buffer_action {
139     BACKBUFFER_CREATE,
140     BACKBUFFER_RESET
141 } back_buffer_action_e;
142 /****************************************************************************
143  *                                                                          *
144  *                                                                          *
145  *                                                                          *
146  * Direct3D specific implementation functions                               *
147  *                                                                          *
148  *                                                                          *
149  *                                                                          *
150  ****************************************************************************/
151 
152 /** @brief Calculate scaled fullscreen movie rectangle with
153  *  preserved aspect ratio.
154  */
calc_fs_rect(void)155 static void calc_fs_rect(void)
156 {
157     struct vo_rect src_rect;
158     struct vo_rect dst_rect;
159     struct vo_rect borders;
160     calc_src_dst_rects(priv->src_width, priv->src_height, &src_rect, &dst_rect, &borders, NULL);
161 
162     priv->fs_movie_rect.left     = dst_rect.left;
163     priv->fs_movie_rect.right    = dst_rect.right;
164     priv->fs_movie_rect.top      = dst_rect.top;
165     priv->fs_movie_rect.bottom   = dst_rect.bottom;
166     priv->fs_panscan_rect.left   = src_rect.left;
167     priv->fs_panscan_rect.right  = src_rect.right;
168     priv->fs_panscan_rect.top    = src_rect.top;
169     priv->fs_panscan_rect.bottom = src_rect.bottom;
170     priv->border_x               = borders.left;
171     priv->border_y               = borders.top;
172 
173     mp_msg(MSGT_VO, MSGL_V,
174            "<vo_direct3d>Fullscreen movie rectangle: t: %ld, l: %ld, r: %ld, b:%ld\n",
175            priv->fs_movie_rect.top,   priv->fs_movie_rect.left,
176            priv->fs_movie_rect.right, priv->fs_movie_rect.bottom);
177 
178     /* The backbuffer should be cleared before next StretchRect. This is
179      * necessary because our new draw area could be smaller than the
180      * previous one used by StretchRect and without it, leftovers from the
181      * previous frame will be left. */
182     priv->is_clear_needed = 1;
183 }
184 
185 /** @brief Destroy D3D Offscreen and Backbuffer surfaces.
186  */
destroy_d3d_surfaces(void)187 static void destroy_d3d_surfaces(void)
188 {
189     mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>destroy_d3d_surfaces called.\n");
190     /* Let's destroy the old (if any) D3D Surfaces */
191 
192     if (priv->locked_rect.pBits)
193         IDirect3DSurface9_UnlockRect(priv->d3d_surface);
194     priv->locked_rect.pBits = NULL;
195 
196     if (priv->d3d_surface)
197         IDirect3DSurface9_Release(priv->d3d_surface);
198     priv->d3d_surface = NULL;
199 
200     /* kill the OSD texture and its shadow copy */
201     if (priv->d3d_texture_osd)
202         IDirect3DTexture9_Release(priv->d3d_texture_osd);
203     priv->d3d_texture_osd = NULL;
204 
205     if (priv->d3d_texture_system)
206         IDirect3DTexture9_Release(priv->d3d_texture_system);
207     priv->d3d_texture_system = NULL;
208 
209     if (priv->d3d_backbuf)
210         IDirect3DSurface9_Release(priv->d3d_backbuf);
211     priv->d3d_backbuf = NULL;
212 }
213 
214 /** @brief Create D3D Offscreen and Backbuffer surfaces. Each
215  *         surface is created only if it's not already present.
216  *  @return 1 on success, 0 on failure
217  */
create_d3d_surfaces(void)218 static int create_d3d_surfaces(void)
219 {
220     int osd_width = vo_dwidth, osd_height = vo_dheight;
221     int tex_width = osd_width, tex_height = osd_height;
222     mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>create_d3d_surfaces called.\n");
223 
224     if (!priv->d3d_surface &&
225         FAILED(IDirect3DDevice9_CreateOffscreenPlainSurface(
226                priv->d3d_device, priv->src_width, priv->src_height,
227                priv->movie_src_fmt, D3DPOOL_DEFAULT, &priv->d3d_surface, NULL))) {
228         mp_msg(MSGT_VO, MSGL_ERR,
229                "<vo_direct3d>Allocating offscreen surface failed.\n");
230         return 0;
231     }
232 
233     if (!priv->d3d_backbuf &&
234         FAILED(IDirect3DDevice9_GetBackBuffer(priv->d3d_device, 0, 0,
235                                               D3DBACKBUFFER_TYPE_MONO,
236                                               &priv->d3d_backbuf))) {
237         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Allocating backbuffer failed.\n");
238         return 0;
239     }
240 
241     if (!tex_width || !tex_height) {
242       mp_msg(MSGT_VO, MSGL_V,
243              "<vo_direct3d>Deferring surface creation because width or height is 0.\n");
244       return 0;
245     }
246 
247     /* calculate the best size for the OSD depending on the factors from the device */
248     if (priv->device_caps_power2_only) {
249         tex_width  = 1;
250         tex_height = 1;
251         while (tex_width  < osd_width ) tex_width  <<= 1;
252         while (tex_height < osd_height) tex_height <<= 1;
253     }
254     if (priv->device_caps_square_only)
255         /* device only supports square textures */
256         tex_width = tex_height = tex_width > tex_height ? tex_width : tex_height;
257     // better round up to a multiple of 16
258     tex_width  = (tex_width  + 15) & ~15;
259     tex_height = (tex_height + 15) & ~15;
260 
261     // make sure we respect the size limits without breaking aspect or pow2-requirements
262     while (tex_width > priv->max_texture_width || tex_height > priv->max_texture_height) {
263         osd_width  >>= 1;
264         osd_height >>= 1;
265         tex_width  >>= 1;
266         tex_height >>= 1;
267     }
268 
269     priv->osd_width  = osd_width;
270     priv->osd_height = osd_height;
271     priv->osd_texture_width  = tex_width;
272     priv->osd_texture_height = tex_height;
273 
274     mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>OSD texture size (%dx%d), requested (%dx%d).\n",
275            vo_dwidth, vo_dheight, priv->osd_texture_width, priv->osd_texture_height);
276 
277     /* create OSD */
278     if (!priv->d3d_texture_system &&
279         FAILED(IDirect3DDevice9_CreateTexture(priv->d3d_device,
280                                               priv->osd_texture_width,
281                                               priv->osd_texture_height,
282                                               1,
283                                               D3DUSAGE_DYNAMIC,
284                                               D3DFMT_A8L8,
285                                               D3DPOOL_SYSTEMMEM,
286                                               &priv->d3d_texture_system,
287                                               NULL))) {
288         mp_msg(MSGT_VO,MSGL_ERR,
289                "<vo_direct3d>Allocating OSD texture in system RAM failed.\n");
290         return 0;
291     }
292 
293     if (!priv->device_texture_sys) {
294         /* only create if we need a shadow version on the external device */
295         if (!priv->d3d_texture_osd &&
296             FAILED(IDirect3DDevice9_CreateTexture(priv->d3d_device,
297                                                   priv->osd_texture_width,
298                                                   priv->osd_texture_height,
299                                                   1,
300                                                   D3DUSAGE_DYNAMIC,
301                                                   D3DFMT_A8L8,
302                                                   D3DPOOL_DEFAULT,
303                                                   &priv->d3d_texture_osd,
304                                                   NULL))) {
305             mp_msg(MSGT_VO,MSGL_ERR,
306                    "<vo_direct3d>Allocating OSD texture in video RAM failed.\n");
307             return 0;
308         }
309     }
310 
311     /* setup default renderstate */
312     IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_SRCBLEND, D3DBLEND_ONE);
313     IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
314     IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_ALPHAFUNC, D3DCMP_GREATER);
315     IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_ALPHAREF, (DWORD)0x0);
316     IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_LIGHTING, FALSE);
317     IDirect3DDevice9_SetSamplerState(priv->d3d_device, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
318     IDirect3DDevice9_SetSamplerState(priv->d3d_device, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
319 
320     return 1;
321 }
322 
323 /** @brief Fill D3D Presentation parameters
324  */
fill_d3d_presentparams(D3DPRESENT_PARAMETERS * present_params)325 static void fill_d3d_presentparams(D3DPRESENT_PARAMETERS *present_params)
326 {
327     /* Prepare Direct3D initialization parameters. */
328     memset(present_params, 0, sizeof(D3DPRESENT_PARAMETERS));
329     present_params->Windowed               = TRUE;
330     present_params->SwapEffect             = D3DSWAPEFFECT_COPY;
331     present_params->Flags                  = D3DPRESENTFLAG_VIDEO;
332     present_params->hDeviceWindow          = vo_w32_window; /* w32_common var */
333     present_params->BackBufferWidth        = priv->cur_backbuf_width;
334     present_params->BackBufferHeight       = priv->cur_backbuf_height;
335     present_params->MultiSampleType        = D3DMULTISAMPLE_NONE;
336     present_params->PresentationInterval   = D3DPRESENT_INTERVAL_ONE;
337     present_params->BackBufferFormat       = priv->desktop_fmt;
338     present_params->BackBufferCount        = 1;
339     present_params->EnableAutoDepthStencil = FALSE;
340 }
341 
342 
343 /** @brief Create a new backbuffer. Create or Reset the D3D
344  *         device.
345  *  @return 1 on success, 0 on failure
346  */
change_d3d_backbuffer(back_buffer_action_e action)347 static int change_d3d_backbuffer(back_buffer_action_e action)
348 {
349     D3DPRESENT_PARAMETERS present_params;
350 
351     destroy_d3d_surfaces();
352 
353     /* Grow the backbuffer in the required dimension. */
354     if (vo_dwidth > priv->cur_backbuf_width)
355         priv->cur_backbuf_width = vo_dwidth;
356 
357     if (vo_dheight > priv->cur_backbuf_height)
358         priv->cur_backbuf_height = vo_dheight;
359 
360     /* The grown backbuffer dimensions are ready and fill_d3d_presentparams
361      * will use them, so we can reset the device.
362      */
363     fill_d3d_presentparams(&present_params);
364 
365     /* vo_w32_window is w32_common variable. It's a handle to the window. */
366     if (action == BACKBUFFER_CREATE &&
367         FAILED(IDirect3D9_CreateDevice(priv->d3d_handle,
368                                        D3DADAPTER_DEFAULT,
369                                        D3DDEVTYPE_HAL, vo_w32_window,
370                                        D3DCREATE_SOFTWARE_VERTEXPROCESSING,
371                                        &present_params, &priv->d3d_device))) {
372             mp_msg(MSGT_VO, MSGL_V,
373                    "<vo_direct3d>Creating Direct3D device failed.\n");
374         return 0;
375     }
376 
377     if (action == BACKBUFFER_RESET &&
378         FAILED(IDirect3DDevice9_Reset(priv->d3d_device, &present_params))) {
379             mp_msg(MSGT_VO, MSGL_ERR,
380                    "<vo_direct3d>Reseting Direct3D device failed.\n");
381         return 0;
382     }
383 
384     mp_msg(MSGT_VO, MSGL_V,
385            "<vo_direct3d>New backbuffer (%dx%d), VO (%dx%d)\n",
386            present_params.BackBufferWidth, present_params.BackBufferHeight,
387            vo_dwidth, vo_dheight);
388 
389     return 1;
390 }
391 
392 /** @brief Configure initial Direct3D context. The first
393  *  function called to initialize the D3D context.
394  *  @return 1 on success, 0 on failure
395  */
configure_d3d(void)396 static int configure_d3d(void)
397 {
398     D3DDISPLAYMODE disp_mode;
399     D3DVIEWPORT9 vp = {0, 0, vo_dwidth, vo_dheight, 0, 1};
400 
401     mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>configure_d3d called.\n");
402 
403     destroy_d3d_surfaces();
404 
405     /* Get the current desktop display mode, so we can set up a back buffer
406      * of the same format. */
407     if (FAILED(IDirect3D9_GetAdapterDisplayMode(priv->d3d_handle,
408                                                 D3DADAPTER_DEFAULT,
409                                                 &disp_mode))) {
410         mp_msg(MSGT_VO, MSGL_ERR,
411                "<vo_direct3d>Reading adapter display mode failed.\n");
412         return 0;
413     }
414 
415     /* Write current Desktop's colorspace format in the global storage. */
416     priv->desktop_fmt = disp_mode.Format;
417 
418     if (!change_d3d_backbuffer(BACKBUFFER_CREATE))
419         return 0;
420 
421     if (!create_d3d_surfaces())
422         return 0;
423 
424     if (FAILED(IDirect3DDevice9_SetViewport(priv->d3d_device,
425                                             &vp))) {
426         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Setting viewport failed.\n");
427         return 0;
428     }
429 
430     calc_fs_rect();
431 
432     return 1;
433 }
434 
435 /** @brief Reconfigure the whole Direct3D. Called only
436  *  when the video adapter becomes uncooperative.
437  *  @return 1 on success, 0 on failure
438  */
reconfigure_d3d(void)439 static int reconfigure_d3d(void)
440 {
441     mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>reconfigure_d3d called.\n");
442 
443     /* Destroy the offscreen, OSD and backbuffer surfaces */
444     destroy_d3d_surfaces();
445 
446     /* Destroy the D3D Device */
447     if (priv->d3d_device)
448         IDirect3DDevice9_Release(priv->d3d_device);
449     priv->d3d_device = NULL;
450 
451     /* Stop the whole Direct3D */
452     IDirect3D9_Release(priv->d3d_handle);
453 
454     /* Initialize Direct3D from the beginning */
455     priv->d3d_handle = priv->pDirect3DCreate9(D3D_SDK_VERSION);
456     if (!priv->d3d_handle) {
457         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Initializing Direct3D failed.\n");
458         return 0;
459     }
460 
461     /* Configure Direct3D */
462     if (!configure_d3d())
463         return 0;
464 
465     return 1;
466 }
467 
468 /** @brief Resize Direct3D context on window resize.
469  *  @return 1 on success, 0 on failure
470  */
resize_d3d(void)471 static int resize_d3d(void)
472 {
473     D3DVIEWPORT9 vp = {0, 0, vo_dwidth, vo_dheight, 0, 1};
474 
475     mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>resize_d3d called.\n");
476 
477     /* Make sure that backbuffer is large enough to accomodate the new
478        viewport dimensions. Grow it if necessary. */
479 
480     if (vo_dwidth > priv->cur_backbuf_width ||
481         vo_dheight > priv->cur_backbuf_height) {
482         if (!change_d3d_backbuffer(BACKBUFFER_RESET))
483             return 0;
484     }
485 
486     /* Destroy the OSD textures. They should always match the new dimensions
487      * of the onscreen window, so on each resize we need new OSD dimensions.
488      */
489 
490     if (priv->d3d_texture_osd)
491         IDirect3DTexture9_Release(priv->d3d_texture_osd);
492     priv->d3d_texture_osd = NULL;
493 
494     if (priv->d3d_texture_system)
495         IDirect3DTexture9_Release(priv->d3d_texture_system);
496     priv->d3d_texture_system = NULL;
497 
498 
499     /* Recreate the OSD. The function will observe that the offscreen plain
500      * surface and the backbuffer are not destroyed and will skip their creation,
501      * effectively recreating only the OSD.
502      */
503 
504     if (!create_d3d_surfaces())
505         return 0;
506 
507     if (FAILED(IDirect3DDevice9_SetViewport(priv->d3d_device,
508                                             &vp))) {
509         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Setting viewport failed.\n");
510         return 0;
511     }
512 
513     calc_fs_rect();
514 
515 #ifdef CONFIG_FREETYPE
516     // font needs to be adjusted
517     force_load_font = 1;
518 #endif
519     // OSD needs to be drawn fresh for new size
520     vo_osd_changed(OSDTYPE_OSD);
521 
522     return 1;
523 }
524 
525 /** @brief Uninitialize Direct3D and close the window.
526  */
uninit_d3d(void)527 static void uninit_d3d(void)
528 {
529     mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>uninit_d3d called.\n");
530 
531     destroy_d3d_surfaces();
532 
533     /* Destroy the D3D Device */
534     if (priv->d3d_device)
535         IDirect3DDevice9_Release(priv->d3d_device);
536     priv->d3d_device = NULL;
537 
538     /* Stop the whole D3D. */
539     if (priv->d3d_handle) {
540         mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Stopping Direct3D.\n");
541         IDirect3D9_Release(priv->d3d_handle);
542     }
543     priv->d3d_handle = NULL;
544 }
545 
546 /** @brief Render a frame on the screen.
547  *  @param mpi mpi structure with the decoded frame inside
548  *  @return VO_TRUE on success, VO_ERROR on failure
549  */
render_d3d_frame(mp_image_t * mpi)550 static uint32_t render_d3d_frame(mp_image_t *mpi)
551 {
552     /* Uncomment when direct rendering is implemented.
553      * if (mpi->flags & MP_IMGFLAG_DIRECT) ...
554      */
555 
556     /* If the D3D device is uncooperative (not initialized), return success.
557        The device will be probed for reinitialization in the next flip_page() */
558     if (!priv->d3d_device)
559         return VO_TRUE;
560 
561     if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
562         goto skip_upload;
563 
564     if (mpi->flags & MP_IMGFLAG_PLANAR) { /* Copy a planar frame. */
565         draw_slice(mpi->planes, mpi->stride, mpi->w, mpi->h, 0, 0);
566         goto skip_upload;
567     }
568 
569     /* If we're here, then we should lock the rect and copy a packed frame */
570     if (!priv->locked_rect.pBits) {
571         if (FAILED(IDirect3DSurface9_LockRect(priv->d3d_surface,
572                                               &priv->locked_rect, NULL, 0))) {
573             mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Surface lock failed.\n");
574             return VO_ERROR;
575         }
576     }
577 
578     memcpy_pic(priv->locked_rect.pBits, mpi->planes[0], mpi->stride[0],
579                mpi->height, priv->locked_rect.Pitch, mpi->stride[0]);
580 
581 skip_upload:
582     /* This unlock is used for both slice_draw path and render_d3d_frame path. */
583     if (FAILED(IDirect3DSurface9_UnlockRect(priv->d3d_surface))) {
584         mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Surface unlock failed.\n");
585         return VO_ERROR;
586     }
587     priv->locked_rect.pBits = NULL;
588 
589     if (FAILED(IDirect3DDevice9_BeginScene(priv->d3d_device))) {
590         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>BeginScene failed.\n");
591         return VO_ERROR;
592     }
593 
594     if (priv->is_clear_needed) {
595         IDirect3DDevice9_Clear(priv->d3d_device, 0, NULL,
596                                D3DCLEAR_TARGET, 0, 0, 0);
597         priv->is_clear_needed = 0;
598     }
599 
600     if (FAILED(IDirect3DDevice9_StretchRect(priv->d3d_device,
601                                             priv->d3d_surface,
602                                             &priv->fs_panscan_rect,
603                                             priv->d3d_backbuf,
604                                             &priv->fs_movie_rect,
605                                             D3DTEXF_LINEAR))) {
606         mp_msg(MSGT_VO, MSGL_ERR,
607                "<vo_direct3d>Copying frame to the backbuffer failed.\n");
608         return VO_ERROR;
609     }
610 
611     if (FAILED(IDirect3DDevice9_EndScene(priv->d3d_device))) {
612         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>EndScene failed.\n");
613         return VO_ERROR;
614     }
615 
616     return VO_TRUE;
617 }
618 
619 
620 /** @brief Query if movie colorspace is supported by the HW.
621  *  @return 0 on failure, device capabilities (not probed
622  *          currently) on success.
623  */
query_format(uint32_t movie_fmt)624 static int query_format(uint32_t movie_fmt)
625 {
626     int i;
627     for (i = 0; i < DISPLAY_FORMAT_TABLE_ENTRIES; i++) {
628         if (fmt_table[i].mplayer_fmt == movie_fmt) {
629             /* Test conversion from Movie colorspace to
630              * display's target colorspace. */
631             if (FAILED(IDirect3D9_CheckDeviceFormatConversion(priv->d3d_handle,
632                                                               D3DADAPTER_DEFAULT,
633                                                               D3DDEVTYPE_HAL,
634                                                               fmt_table[i].fourcc,
635                                                               priv->desktop_fmt))) {
636                 mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Rejected image format: %s\n",
637                        vo_format_name(fmt_table[i].mplayer_fmt));
638                 return 0;
639             }
640 
641             priv->movie_src_fmt = fmt_table[i].fourcc;
642             mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Accepted image format: %s\n",
643                    vo_format_name(fmt_table[i].mplayer_fmt));
644             return (VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW
645                     | VFCAP_OSD | VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN);
646 
647         }
648     }
649 
650     return 0;
651 }
652 
653 /****************************************************************************
654  *                                                                          *
655  *                                                                          *
656  *                                                                          *
657  * libvo Control / Callback functions                                       *
658  *                                                                          *
659  *                                                                          *
660  *                                                                          *
661  ****************************************************************************/
662 
663 
664 
665 
666 /** @brief libvo Callback: Preinitialize the video card.
667  *  Preinit the hardware just enough to be queried about
668  *  supported formats.
669  *
670  *  @return 0 on success, -1 on failure
671  */
672 
preinit(const char * arg)673 static int preinit(const char *arg)
674 {
675     D3DDISPLAYMODE disp_mode;
676     D3DCAPS9 disp_caps;
677     DWORD texture_caps;
678     DWORD dev_caps;
679 
680     /* Set to zero all global variables. */
681     priv = calloc(1, sizeof(struct global_priv));
682     if (!priv) {
683         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Allocating private memory failed.\n");
684         goto err_out;
685     }
686 
687     /* FIXME
688        > Please use subopt-helper.h for this, see vo_gl.c:preinit for
689        > an example of how to use it.
690     */
691 
692     priv->d3d9_dll = LoadLibraryA("d3d9.dll");
693     if (!priv->d3d9_dll) {
694         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Unable to dynamically load d3d9.dll\n");
695         goto err_out;
696     }
697 
698     priv->pDirect3DCreate9 = (void *)GetProcAddress(priv->d3d9_dll, "Direct3DCreate9");
699     if (!priv->pDirect3DCreate9) {
700         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Unable to find entry point of Direct3DCreate9\n");
701         goto err_out;
702     }
703 
704     priv->d3d_handle = priv->pDirect3DCreate9(D3D_SDK_VERSION);
705     if (!priv->d3d_handle) {
706         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Initializing Direct3D failed.\n");
707         goto err_out;
708     }
709 
710     if (FAILED(IDirect3D9_GetAdapterDisplayMode(priv->d3d_handle,
711                                                 D3DADAPTER_DEFAULT,
712                                                 &disp_mode))) {
713         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Reading display mode failed.\n");
714         goto err_out;
715     }
716 
717     /* Store in priv->desktop_fmt the user desktop's colorspace. Usually XRGB. */
718     priv->desktop_fmt = disp_mode.Format;
719     priv->cur_backbuf_width = disp_mode.Width;
720     priv->cur_backbuf_height = disp_mode.Height;
721 
722     mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Setting backbuffer dimensions to (%dx%d).\n",
723            disp_mode.Width, disp_mode.Height);
724 
725     if (FAILED(IDirect3D9_GetDeviceCaps(priv->d3d_handle,
726                                         D3DADAPTER_DEFAULT,
727                                         D3DDEVTYPE_HAL,
728                                         &disp_caps))) {
729         mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Reading display capabilities failed.\n");
730         goto err_out;
731     }
732 
733     /* Store relevant information reguarding caps of device */
734     texture_caps                  = disp_caps.TextureCaps;
735     dev_caps                      = disp_caps.DevCaps;
736     priv->device_caps_power2_only =  (texture_caps & D3DPTEXTURECAPS_POW2) &&
737                                     !(texture_caps & D3DPTEXTURECAPS_NONPOW2CONDITIONAL);
738     priv->device_caps_square_only = texture_caps & D3DPTEXTURECAPS_SQUAREONLY;
739     priv->device_texture_sys      = dev_caps & D3DDEVCAPS_TEXTURESYSTEMMEMORY;
740     priv->max_texture_width       = disp_caps.MaxTextureWidth;
741     priv->max_texture_height      = disp_caps.MaxTextureHeight;
742 
743     mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>device_caps_power2_only %d, device_caps_square_only %d\n"
744                             "<vo_direct3d>device_texture_sys %d\n"
745                             "<vo_direct3d>max_texture_width %d, max_texture_height %d\n",
746            priv->device_caps_power2_only, priv->device_caps_square_only,
747            priv->device_texture_sys, priv->max_texture_width,
748            priv->max_texture_height);
749 
750     /* w32_common framework call. Configures window on the screen, gets
751      * fullscreen dimensions and does other useful stuff.
752      */
753     if (!vo_w32_init()) {
754         mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Configuring onscreen window failed.\n");
755         goto err_out;
756     }
757 
758     return 0;
759 
760 err_out:
761     uninit();
762     return -1;
763 }
764 
765 
766 
767 /** @brief libvo Callback: Handle control requests.
768  *  @return VO_TRUE on success, VO_NOTIMPL when not implemented
769  */
control(uint32_t request,void * data)770 static int control(uint32_t request, void *data)
771 {
772     switch (request) {
773     case VOCTRL_QUERY_FORMAT:
774         return query_format(*(uint32_t*) data);
775     case VOCTRL_GET_IMAGE: /* Direct Rendering. Not implemented yet. */
776         mp_msg(MSGT_VO, MSGL_V,
777                "<vo_direct3d>Direct Rendering request. Not implemented yet.\n");
778         return VO_NOTIMPL;
779     case VOCTRL_DRAW_IMAGE:
780         return render_d3d_frame(data);
781     case VOCTRL_FULLSCREEN:
782         vo_w32_fullscreen();
783         resize_d3d();
784         return VO_TRUE;
785     case VOCTRL_PAUSE:
786         priv->is_paused = 1;
787         return VO_TRUE;
788     case VOCTRL_RESUME:
789         priv->is_paused = 0;
790         return VO_TRUE;
791     case VOCTRL_GUISUPPORT:
792         return VO_TRUE;
793     case VOCTRL_ONTOP:
794         vo_w32_ontop();
795         return VO_TRUE;
796     case VOCTRL_BORDER:
797         vo_w32_border();
798         resize_d3d();
799         return VO_TRUE;
800     case VOCTRL_UPDATE_SCREENINFO:
801         w32_update_xinerama_info();
802         return VO_TRUE;
803     case VOCTRL_SET_PANSCAN:
804         calc_fs_rect();
805         return VO_TRUE;
806     case VOCTRL_GET_PANSCAN:
807         return VO_TRUE;
808     }
809     return VO_NOTIMPL;
810 }
811 
812 /** @brief libvo Callback: Configre the Direct3D adapter.
813  *  @param width    Movie source width
814  *  @param height   Movie source height
815  *  @param d_width  Screen (destination) width
816  *  @param d_height Screen (destination) height
817  *  @param options  Options bitmap
818  *  @param title    Window title
819  *  @param format   Movie colorspace format (using MPlayer's
820  *                  defines, e.g. IMGFMT_YUY2)
821  *  @return 0 on success, VO_ERROR on failure
822  */
config(uint32_t width,uint32_t height,uint32_t d_width,uint32_t d_height,uint32_t options,char * title,uint32_t format)823 static int config(uint32_t width, uint32_t height, uint32_t d_width,
824                   uint32_t d_height, uint32_t options, char *title,
825                   uint32_t format)
826 {
827 
828     priv->src_width  = width;
829     priv->src_height = height;
830 
831     /* w32_common framework call. Creates window on the screen with
832      * the given coordinates.
833      */
834     if (!vo_w32_config(d_width, d_height, options)) {
835         mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Creating onscreen window failed.\n");
836         return VO_ERROR;
837     }
838 
839     /* "config" may be called several times, so if this is not the first
840      * call, we should destroy Direct3D adapter and surfaces before
841      * calling configure_d3d, which will create them again.
842      */
843 
844     destroy_d3d_surfaces();
845 
846     /* Destroy the D3D Device */
847     if (priv->d3d_device)
848         IDirect3DDevice9_Release(priv->d3d_device);
849     priv->d3d_device = NULL;
850 
851     if (!configure_d3d())
852         return VO_ERROR;
853 
854     return 0; /* Success */
855 }
856 
857 /** @brief libvo Callback: Flip next already drawn frame on the
858  *         screen.
859  */
flip_page(void)860 static void flip_page(void)
861 {
862     RECT rect = {0, 0, vo_dwidth, vo_dheight};
863     if (!priv->d3d_device ||
864         FAILED(IDirect3DDevice9_Present(priv->d3d_device, &rect, 0, 0, 0))) {
865         mp_msg(MSGT_VO, MSGL_V,
866                "<vo_direct3d>Trying to reinitialize uncooperative video adapter.\n");
867         if (!reconfigure_d3d()) {
868             mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Reinitialization failed.\n");
869             return;
870         }
871         else
872             mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Video adapter reinitialized.\n");
873     }
874 }
875 
876 /** @brief libvo Callback: Uninitializes all pointers and closes
877  *         all D3D related stuff,
878  */
uninit(void)879 static void uninit(void)
880 {
881     mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>uninit called.\n");
882 
883     uninit_d3d();
884     vo_w32_uninit(); /* w32_common framework call */
885     if (priv->d3d9_dll)
886         FreeLibrary(priv->d3d9_dll);
887     priv->d3d9_dll = NULL;
888     free(priv);
889     priv = NULL;
890 }
891 
892 /** @brief libvo Callback: Handles video window events.
893  */
check_events(void)894 static void check_events(void)
895 {
896     int flags;
897     /* w32_common framework call. Handles video window events.
898      * Updates global libvo's vo_dwidth/vo_dheight upon resize
899      * with the new window width/height.
900      */
901     flags = vo_w32_check_events();
902     if (flags & VO_EVENT_RESIZE)
903         resize_d3d();
904 
905     if ((flags & VO_EVENT_EXPOSE) && priv->is_paused)
906         flip_page();
907 }
908 
909 /** @brief libvo Callback: Draw slice
910  *  @return 0 on success
911  */
draw_slice(uint8_t * src[],int stride[],int w,int h,int x,int y)912 static int draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y )
913 {
914     char *my_src;   /**< Pointer to the source image */
915     char *dst;      /**< Pointer to the destination image */
916     int  uv_stride; /**< Stride of the U/V planes */
917 
918     /* If the D3D device is uncooperative (not initialized), return success.
919        The device will be probed for reinitialization in the next flip_page() */
920     if (!priv->d3d_device)
921         return 0;
922 
923     /* Lock the offscreen surface if it's not already locked. */
924     if (!priv->locked_rect.pBits) {
925         if (FAILED(IDirect3DSurface9_LockRect(priv->d3d_surface,
926                                               &priv->locked_rect, NULL, 0))) {
927             mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Surface lock failure.\n");
928             return VO_FALSE;
929         }
930     }
931 
932     uv_stride = priv->locked_rect.Pitch / 2;
933 
934     /* Copy Y */
935     dst = priv->locked_rect.pBits;
936     dst = dst + priv->locked_rect.Pitch * y + x;
937     my_src = src[0];
938     memcpy_pic(dst, my_src, w, h, priv->locked_rect.Pitch, stride[0]);
939 
940     w /= 2;
941     h /= 2;
942     x /= 2;
943     y /= 2;
944 
945     /* Copy U */
946     dst = priv->locked_rect.pBits;
947     dst = dst + priv->locked_rect.Pitch * priv->src_height
948           + uv_stride * y + x;
949     if (priv->movie_src_fmt == MAKEFOURCC('Y','V','1','2'))
950         my_src = src[2];
951     else
952         my_src = src[1];
953 
954     memcpy_pic(dst, my_src, w, h, uv_stride, stride[1]);
955 
956     /* Copy V */
957     dst = priv->locked_rect.pBits;
958     dst = dst + priv->locked_rect.Pitch * priv->src_height
959           + uv_stride * (priv->src_height / 2) + uv_stride * y + x;
960     if (priv->movie_src_fmt == MAKEFOURCC('Y','V','1','2'))
961         my_src=src[1];
962     else
963         my_src=src[2];
964 
965     memcpy_pic(dst, my_src, w, h, uv_stride, stride[2]);
966 
967     return 0; /* Success */
968 }
969 
970 /** @brief Maps MPlayer alpha to D3D
971  *         0x0 -> transparent and discarded by alpha test
972  *         0x1 -> 0xFF to become opaque
973  *         other alpha values are inverted +1 (2 = -2)
974  *         These values are then inverted again with
975            the texture filter D3DBLEND_INVSRCALPHA
976  */
vo_draw_alpha_l8a8(int w,int h,unsigned char * src,unsigned char * srca,int srcstride,unsigned char * dstbase,int dststride)977 static void vo_draw_alpha_l8a8(int w, int h, unsigned char* src,
978                                unsigned char *srca, int srcstride,
979                                unsigned char* dstbase, int dststride)
980 {
981     int y;
982     for (y = 0; y < h; y++) {
983         unsigned short *dst = (unsigned short*)dstbase;
984         int x;
985         for (x = 0; x < w; x++) {
986             dst[x] = (-srca[x] << 8) | src[x];
987         }
988         src     += srcstride;
989         srca    += srcstride;
990         dstbase += dststride;
991     }
992 }
993 
994 /** @brief Callback function to render the OSD to the texture
995  */
draw_alpha(int x0,int y0,int w,int h,unsigned char * src,unsigned char * srca,int stride)996 static void draw_alpha(int x0, int y0, int w, int h, unsigned char *src,
997                        unsigned char *srca, int stride)
998 {
999     D3DLOCKED_RECT  locked_rect;   /**< Offscreen surface we lock in order
1000                                    to copy MPlayer's frame inside it.*/
1001 
1002     if (FAILED(IDirect3DTexture9_LockRect(priv->d3d_texture_system, 0,
1003                                           &locked_rect, NULL, 0))) {
1004         mp_msg(MSGT_VO,MSGL_ERR,"<vo_direct3d>OSD texture lock failed.\n");
1005         return;
1006     }
1007 
1008     vo_draw_alpha_l8a8(w, h, src, srca, stride,
1009         (unsigned char *)locked_rect.pBits + locked_rect.Pitch*y0 + 2*x0, locked_rect.Pitch);
1010 
1011     /* this unlock is used for both slice_draw path and D3DRenderFrame path */
1012     if (FAILED(IDirect3DTexture9_UnlockRect(priv->d3d_texture_system, 0))) {
1013         mp_msg(MSGT_VO,MSGL_ERR,"<vo_direct3d>OSD texture unlock failed.\n");
1014         return;
1015     }
1016 
1017     priv->is_osd_populated = 1;
1018 }
1019 
1020 /** @brief libvo Callback: Draw OSD/Subtitles,
1021  */
draw_osd(void)1022 static void draw_osd(void)
1023 {
1024     // we can not render OSD if we lost the device e.g. because it was uncooperative
1025     // or if the OSD textures are not allocated (e.g. the window is minimized)
1026     if (!priv->d3d_device || !priv->d3d_texture_osd)
1027         return;
1028 
1029     if (vo_osd_changed(0)) {
1030         D3DLOCKED_RECT  locked_rect;   /**< Offscreen surface we lock in order
1031                                          to copy MPlayer's frame inside it.*/
1032 
1033         /* clear the OSD */
1034         if (FAILED(IDirect3DTexture9_LockRect(priv->d3d_texture_system, 0,
1035                                               &locked_rect, NULL, 0))) {
1036             mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>OSD texture lock failed.\n");
1037             return;
1038         }
1039 
1040         /* clear the whole texture to avoid issues due to interpolation */
1041         memset(locked_rect.pBits, 0, locked_rect.Pitch * priv->osd_texture_height);
1042 
1043         /* this unlock is used for both slice_draw path and D3DRenderFrame path */
1044         if (FAILED(IDirect3DTexture9_UnlockRect(priv->d3d_texture_system, 0))) {
1045             mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>OSD texture unlock failed.\n");
1046             return;
1047         }
1048 
1049         priv->is_osd_populated = 0;
1050         /* required for if subs are in the boarder region */
1051         priv->is_clear_needed = 1;
1052 
1053         vo_draw_text_ext(priv->osd_width, priv->osd_height, priv->border_x, priv->border_y,
1054                          priv->border_x, priv->border_y, priv->src_width, priv->src_height, draw_alpha);
1055 
1056         if (!priv->device_texture_sys)
1057         {
1058             /* only DMA to the shadow if its required */
1059             if (FAILED(IDirect3DDevice9_UpdateTexture(priv->d3d_device,
1060                                                       (IDirect3DBaseTexture9 *)priv->d3d_texture_system,
1061                                                       (IDirect3DBaseTexture9 *)priv->d3d_texture_osd))) {
1062                 mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>OSD texture transfer failed.\n");
1063                 return;
1064             }
1065         }
1066     }
1067 
1068     /* update OSD */
1069 
1070     if (priv->is_osd_populated) {
1071 
1072         struct_vertex osd_quad_vb[] = {
1073             {-1.0f, 1.0f, 0.0f,  0, 0 },
1074             { 1.0f, 1.0f, 0.0f,  1, 0 },
1075             {-1.0f,-1.0f, 0.0f,  0, 1 },
1076             { 1.0f,-1.0f, 0.0f,  1, 1 }
1077         };
1078 
1079         /* calculate the texture coordinates */
1080         osd_quad_vb[1].tu =
1081             osd_quad_vb[3].tu = (float)priv->osd_width  / priv->osd_texture_width;
1082         osd_quad_vb[2].tv =
1083             osd_quad_vb[3].tv = (float)priv->osd_height / priv->osd_texture_height;
1084 
1085         if (FAILED(IDirect3DDevice9_BeginScene(priv->d3d_device))) {
1086             mp_msg(MSGT_VO,MSGL_ERR,"<vo_direct3d>BeginScene failed.\n");
1087             return;
1088         }
1089 
1090         /* turn on alpha test */
1091         IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_ALPHABLENDENABLE, TRUE);
1092         IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_ALPHATESTENABLE, TRUE);
1093 
1094         /* need to use a texture here (done here as we may be able to texture from system memory) */
1095         IDirect3DDevice9_SetTexture(priv->d3d_device, 0,
1096             (IDirect3DBaseTexture9 *)(priv->device_texture_sys
1097             ? priv->d3d_texture_system : priv->d3d_texture_osd));
1098 
1099         IDirect3DDevice9_SetFVF(priv->d3d_device, D3DFVF_MY_VERTEX);
1100         IDirect3DDevice9_DrawPrimitiveUP(priv->d3d_device, D3DPT_TRIANGLESTRIP, 2, osd_quad_vb, sizeof(struct_vertex));
1101 
1102         /* turn off alpha test */
1103         IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_ALPHATESTENABLE, FALSE);
1104         IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_ALPHABLENDENABLE, FALSE);
1105 
1106         if (FAILED(IDirect3DDevice9_EndScene(priv->d3d_device))) {
1107             mp_msg(MSGT_VO,MSGL_ERR,"<vo_direct3d>EndScene failed.\n");
1108             return;
1109         }
1110     }
1111 }
1112