aboutsummaryrefslogtreecommitdiffhomepage
path: root/libvo/vo_direct3d.c
blob: cffe7f81d08cc2774f4d7ab906d66b89e6b41d3b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
/*
 * Copyright (c) 2008 Georgi Petrov (gogothebee) <gogothebee@gmail.com>
 *
 * This file is part of MPlayer.
 *
 * MPlayer is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * MPlayer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <windows.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <stdbool.h>
#include <assert.h>
#include <d3d9.h>
#include "config.h"
#include "options.h"
#include "subopt-helper.h"
#include "talloc.h"
#include "video_out.h"
#include "libmpcodecs/vfcap.h"
// for global_vo
#include "old_vo_wrapper.h"
#include "csputils.h"
#include "libmpcodecs/mp_image.h"
#include "libmpcodecs/img_format.h"
#include "fastmemcpy.h"
#include "mp_msg.h"
#include "aspect.h"
#include "w32_common.h"
#include "libavutil/common.h"
#include "sub/font_load.h"
#include "sub/sub.h"
#include "eosd_packer.h"

// shaders generated by fxc.exe from d3d_shader_yuv.hlsl
#include "d3d_shader_yuv.h"
#include "d3d_shader_yuv_2ch.h"


// TODO: beg someone to add this (there is already IMGFMT_Y8)
// equals MAKEFOURCC('Y', '1', '6', ' ')
#define IMGFMT_Y16 0x20363159
#define IMGFMT_A8Y8 MAKEFOURCC('A', '8', 'Y', '8')

#define IMGFMT_IS_Y(x) ((x) == IMGFMT_Y8 || (x) == IMGFMT_Y16 || (x) == IMGFMT_A8Y8)
#define IMGFMT_Y_DEPTH(x) ((x) == IMGFMT_Y8 ? 8 : 16)

#define DEVTYPE D3DDEVTYPE_HAL
//#define DEVTYPE D3DDEVTYPE_REF


#define D3DFVF_OSD_VERTEX (D3DFVF_XYZ | D3DFVF_TEX1)

typedef struct {
    float x, y, z;      /* Position of vertex in 3D space */
    float tu, tv;       /* Texture coordinates */
} vertex_osd;

#define D3DFVF_EOSD_VERTEX (D3DFVF_XYZ | D3DFVF_TEX1 | D3DFVF_DIFFUSE)

typedef struct {
    float x, y, z;
    D3DCOLOR color;
    float tu, tv;
} vertex_eosd;

#define D3DFVF_VIDEO_VERTEX (D3DFVF_XYZ | D3DFVF_TEX3)

typedef struct {
    float x, y, z;
    // pairs of texture coordinates for up to 3 planes
    float t[3][2];
} vertex_video;


struct d3dtex {
    // user-requested size
    int w, h;
    // allocated texture size
    int tex_w, tex_h;
    // D3DPOOL_SYSTEMMEM (or others) texture:
    // - can be locked in order to write (and even read) data
    // - can _not_ (probably) be used as texture for rendering
    // This is always non-NULL if d3dtex_allocate succeeds.
    IDirect3DTexture9 *system;
    // D3DPOOL_DEFAULT texture:
    // - can't be locked (Probably.)
    // - must be used for rendering
    // This will be NULL on systems with device_texture_sys != 0.
    IDirect3DTexture9 *device;
};

struct texplane {
    int bytes_per_pixel;
    int bits_per_pixel;
    // chroma shifts
    // e.g. get the plane's width in pixels with (priv->src_width >> shift_x)
    int shift_x, shift_y;
    D3DFORMAT d3d_format;
    struct d3dtex texture;
    // temporary locking during uploading the frame (e.g. for draw_slice)
    D3DLOCKED_RECT locked_rect;
    // value used to clear the image with memset (YUV chroma planes do not use
    // the value 0 for this)
    uint8_t clearval;
};

/* Global variables "priv" structure. I try to keep their count low.
 */
typedef struct d3d_priv {
    int opt_prefer_stretchrect;
    int opt_disable_textures;
    int opt_disable_stretchrect;
    int opt_disable_shaders;
    int opt_only_8bit;
    int opt_disable_eosd;
    int opt_disable_texture_align;
    // debugging
    int opt_force_power_of_2;
    int opt_texture_memory;
    int opt_swap_discard;
    int opt_exact_backbuffer;
    int opt_16bit_textures;

    struct vo *vo;

    int is_clear_needed;        /**< 1 = Clear the backbuffer before StretchRect
                                0 = (default) Don't clear it */
    D3DLOCKED_RECT locked_rect; /**< The locked offscreen surface */
    RECT fs_movie_rect;         /**< Rect (upscaled) of the movie when displayed
                                in fullscreen */
    RECT fs_panscan_rect;       /**< PanScan source surface cropping in
                                fullscreen */
    int src_width;              /**< Source (movie) width */
    int src_height;             /**< Source (movie) heigth */
    int src_d_width;            /**< Source (movie) aspect corrected width */
    int src_d_height;           /**< Source (movie) aspect corrected heigth */
    int border_x;               /**< horizontal border value for OSD */
    int border_y;               /**< vertical border value for OSD */
    int image_format;           /**< mplayer image format */
    bool use_textures;          /**< use 3D texture rendering, instead of
                                StretchRect */
    bool use_shaders;           /**< use shader for YUV color conversion
                                (or possibly for RGB video equalizers) */
    bool use_2ch_hack;          /**< 2 byte YUV formats use 2 channel hack */

    int plane_count;
    struct texplane planes[3];

    IDirect3DPixelShader9 *pixel_shader;
    const BYTE *pixel_shader_data;

    D3DFORMAT movie_src_fmt;        /**< Movie colorspace format (depends on
                                    the movie's codec) */
    D3DFORMAT desktop_fmt;          /**< Desktop (screen) colorspace format.
                                    Usually XRGB */

    HANDLE d3d9_dll;                /**< d3d9 Library HANDLE */
    IDirect3D9 * (WINAPI *pDirect3DCreate9)(UINT); /**< pointer to Direct3DCreate9 function */

    LPDIRECT3D9        d3d_handle;  /**< Direct3D Handle */
    LPDIRECT3DDEVICE9  d3d_device;  /**< The Direct3D Adapter */
    bool d3d_in_scene;              /**< BeginScene was called, EndScene not */
    IDirect3DSurface9 *d3d_surface; /**< Offscreen Direct3D Surface. MPlayer
                                    renders inside it. Uses colorspace
                                    priv->movie_src_fmt */
    struct d3dtex texture_osd;      /**< RGBA */
    IDirect3DSurface9 *d3d_backbuf; /**< Video card's back buffer (used to
                                    display next frame) */
    struct d3dtex texture_eosd;     /**< A8 */
    int cur_backbuf_width;          /**< Current backbuffer width */
    int cur_backbuf_height;         /**< Current backbuffer height */
    int is_osd_populated;           /**< 1 = OSD texture has something to display,
                                    0 = OSD texture is clear */
    int device_caps_power2_only;    /**< 1 = texture sizes have to be power 2
                                    0 = texture sizes can be anything */
    int device_caps_square_only;    /**< 1 = textures have to be square
                                    0 = textures do not have to be square */
    int device_texture_sys;         /**< 1 = device can texture from system memory
                                    0 = device requires shadow */
    int max_texture_width;          /**< from the device capabilities */
    int max_texture_height;         /**< from the device capabilities */

    D3DMATRIX d3d_colormatrix;
    float d3d_depth_vector[4];
    struct mp_csp_details colorspace;
    struct mp_csp_equalizer video_eq;

    struct eosd_packer *eosd;       /**< EOSD packer (image positions etc.) */
    vertex_eosd *eosd_vb;           /**< temporary memory for D3D when rendering EOSD */
} d3d_priv;

struct fmt_entry {
    const unsigned int  mplayer_fmt;   /**< Given by MPlayer */
    const D3DFORMAT     fourcc;        /**< Required by D3D's test function */
};

/* Map table from reported MPlayer format to the required
   fourcc. This is needed to perform the format query. */

static const struct fmt_entry fmt_table[] = {
    // planar YUV
    {IMGFMT_YV12,  MAKEFOURCC('Y','V','1','2')},
    {IMGFMT_I420,  MAKEFOURCC('I','4','2','0')},
    {IMGFMT_IYUV,  MAKEFOURCC('I','Y','U','V')},
    {IMGFMT_YVU9,  MAKEFOURCC('Y','V','U','9')},
    // packed YUV
    {IMGFMT_YUY2,  D3DFMT_YUY2},
    {IMGFMT_UYVY,  D3DFMT_UYVY},
    // packed RGB
    {IMGFMT_BGR32, D3DFMT_X8R8G8B8},
    {IMGFMT_RGB32, D3DFMT_X8B8G8R8},
    {IMGFMT_BGR24, D3DFMT_R8G8B8}, //untested
    {IMGFMT_BGR16, D3DFMT_R5G6B5},
    {IMGFMT_BGR15, D3DFMT_X1R5G5B5},
    {IMGFMT_BGR8 , D3DFMT_R3G3B2}, //untested
    // grayscale (can be considered both packed and planar)
    {IMGFMT_Y8,    D3DFMT_L8},
    {IMGFMT_Y16,   D3DFMT_L16},
    {IMGFMT_A8Y8,  D3DFMT_A8L8},
    {0},
};


static void generate_eosd(d3d_priv *priv, mp_eosd_images_t *);
static void draw_eosd(d3d_priv *priv);
static void update_colorspace(d3d_priv *priv);
static void d3d_clear_video_textures(d3d_priv *priv);
static bool resize_d3d(d3d_priv *priv);
static uint32_t d3d_draw_frame(d3d_priv *priv);
static int draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h,
                      int x, int y);
static void uninit(struct vo *vo);
static void draw_osd(struct vo *vo, struct osd_state *osd);
static void flip_page(struct vo *vo);
static mp_image_t *get_screenshot(d3d_priv *priv);
static mp_image_t *get_window_screenshot(d3d_priv *priv);


static void d3d_matrix_identity(D3DMATRIX *m)
{
    memset(m, 0, sizeof(D3DMATRIX));
    m->_11 = m->_22 = m->_33 = m->_44 = 1.0f;
}

static void d3d_matrix_ortho(D3DMATRIX *m, float left, float right,
                             float bottom, float top)
{
    d3d_matrix_identity(m);
    m->_11 = 2.0f / (right - left);
    m->_22 = 2.0f / (top - bottom);
    m->_33 = 1.0f;
    m->_41 = -(right + left) / (right - left);
    m->_42 = -(top + bottom) / (top - bottom);
    m->_43 = 0;
    m->_44 = 1.0f;
}

/****************************************************************************
 *                                                                          *
 *                                                                          *
 *                                                                          *
 * Direct3D specific implementation functions                               *
 *                                                                          *
 *                                                                          *
 *                                                                          *
 ****************************************************************************/

static bool d3d_begin_scene(d3d_priv *priv)
{
    if (!priv->d3d_in_scene) {
        if (FAILED(IDirect3DDevice9_BeginScene(priv->d3d_device))) {
            mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>BeginScene failed.\n");
            return false;
        }
        priv->d3d_in_scene = true;
    }
    return true;
}

/** @brief Calculate scaled fullscreen movie rectangle with
 *  preserved aspect ratio.
 */
static void calc_fs_rect(d3d_priv *priv)
{
    struct vo_rect src_rect;
    struct vo_rect dst_rect;
    struct vo_rect borders;
    calc_src_dst_rects(priv->vo, priv->src_width, priv->src_height, &src_rect,
                       &dst_rect, &borders, NULL);

    priv->fs_movie_rect.left     = dst_rect.left;
    priv->fs_movie_rect.right    = dst_rect.right;
    priv->fs_movie_rect.top      = dst_rect.top;
    priv->fs_movie_rect.bottom   = dst_rect.bottom;
    priv->fs_panscan_rect.left   = src_rect.left;
    priv->fs_panscan_rect.right  = src_rect.right;
    priv->fs_panscan_rect.top    = src_rect.top;
    priv->fs_panscan_rect.bottom = src_rect.bottom;
    priv->border_x               = borders.left;
    priv->border_y               = borders.top;

    mp_msg(MSGT_VO, MSGL_V,
           "<vo_direct3d>Video rectangle: t: %ld, l: %ld, r: %ld, b:%ld\n",
           priv->fs_movie_rect.top,   priv->fs_movie_rect.left,
           priv->fs_movie_rect.right, priv->fs_movie_rect.bottom);

    /* The backbuffer should be cleared before next StretchRect. This is
     * necessary because our new draw area could be smaller than the
     * previous one used by StretchRect and without it, leftovers from the
     * previous frame will be left. */
    priv->is_clear_needed = 1;
}

// Adjust the texture size *width/*height to fit the requirements of the D3D
// device. The texture size is only increased.
static void d3d_fix_texture_size(d3d_priv *priv, int *width, int *height)
{
    int tex_width = *width;
    int tex_height = *height;

    // avoid nasty special cases with 0-sized textures and texture sizes
    tex_width = FFMAX(tex_width, 1);
    tex_height = FFMAX(tex_height, 1);

    if (priv->device_caps_power2_only) {
        tex_width  = 1;
        tex_height = 1;
        while (tex_width  < *width) tex_width  <<= 1;
        while (tex_height < *height) tex_height <<= 1;
    }
    if (priv->device_caps_square_only)
        /* device only supports square textures */
        tex_width = tex_height = FFMAX(tex_width, tex_height);
    // better round up to a multiple of 16
    if (!priv->opt_disable_texture_align) {
        tex_width  = (tex_width  + 15) & ~15;
        tex_height = (tex_height + 15) & ~15;
    }

    *width = tex_width;
    *height = tex_height;
}

static void d3dtex_release(d3d_priv *priv, struct d3dtex *tex)
{
    if (tex->system)
        IDirect3DTexture9_Release(tex->system);
    tex->system = NULL;

    if (tex->device)
        IDirect3DTexture9_Release(tex->device);
    tex->device = NULL;

    tex->tex_w = tex->tex_h = 0;
}

static bool d3dtex_allocate(d3d_priv *priv, struct d3dtex *tex, D3DFORMAT fmt,
                            int w, int h)
{
    d3dtex_release(priv, tex);

    tex->w = w;
    tex->h = h;

    int tw = w, th = h;
    d3d_fix_texture_size(priv, &tw, &th);

    int memtype = D3DPOOL_SYSTEMMEM;
    switch (priv->opt_texture_memory) {
    case 1: memtype = D3DPOOL_MANAGED; break;
    case 2: memtype = D3DPOOL_DEFAULT; break;
    }

    if (FAILED(IDirect3DDevice9_CreateTexture(priv->d3d_device, tw, th, 1,
        D3DUSAGE_DYNAMIC, fmt, memtype, &tex->system, NULL)))
    {
        mp_msg(MSGT_VO, MSGL_ERR,
               "<vo_direct3d>Allocating %dx%d texture in system RAM failed.\n",
               w, h);
        goto error_exit;
    }

    if (!priv->device_texture_sys && !priv->opt_texture_memory) {
        if (FAILED(IDirect3DDevice9_CreateTexture(priv->d3d_device, tw, th, 1,
            D3DUSAGE_DYNAMIC, fmt, D3DPOOL_DEFAULT, &tex->device, NULL)))
        {
            mp_msg(MSGT_VO, MSGL_ERR,
               "<vo_direct3d>Allocating %dx%d texture in video RAM failed.\n",
               w, h);
            goto error_exit;
        }
    }

    tex->tex_w = tw;
    tex->tex_h = th;

    return true;

error_exit:
    d3dtex_release(priv, tex);
    return false;
}

static IDirect3DBaseTexture9 *d3dtex_get_render_texture(d3d_priv *priv,
                                                        struct d3dtex *tex)
{
    return (IDirect3DBaseTexture9 *)(tex->device ? tex->device : tex->system);
}

// Copy system texture contents to device texture.
static bool d3dtex_update(d3d_priv *priv, struct d3dtex *tex)
{
    if (!tex->device)
        return true;
    return !FAILED(IDirect3DDevice9_UpdateTexture(priv->d3d_device,
                   (IDirect3DBaseTexture9 *)tex->system,
                   (IDirect3DBaseTexture9 *)tex->device));
}

static void d3d_unlock_video_objects(d3d_priv *priv)
{
    bool any_failed = false;

    if (priv->locked_rect.pBits) {
        if (FAILED(IDirect3DSurface9_UnlockRect(priv->d3d_surface)))
            any_failed = true;
    }
    priv->locked_rect.pBits = NULL;

    for (int n = 0; n < priv->plane_count; n++) {
        struct texplane *plane = &priv->planes[n];
        if (plane->locked_rect.pBits) {
            if (FAILED(IDirect3DTexture9_UnlockRect(plane->texture.system, 0)))
                any_failed = true;
        }
        plane->locked_rect.pBits = NULL;
    }

    if (any_failed) {
        mp_msg(MSGT_VO, MSGL_V,
               "<vo_direct3d>Unlocking video objects failed.\n");
    }
}

// Free video surface/textures, shaders, etc.
static void d3d_destroy_video_objects(d3d_priv *priv)
{
    d3d_unlock_video_objects(priv);

    if (priv->d3d_surface)
        IDirect3DSurface9_Release(priv->d3d_surface);
    priv->d3d_surface = NULL;

    for (int n = 0; n < priv->plane_count; n++) {
        d3dtex_release(priv, &priv->planes[n].texture);
    }

    if (priv->pixel_shader)
        IDirect3DPixelShader9_Release(priv->pixel_shader);
    priv->pixel_shader = NULL;
}

/** @brief Destroy D3D Offscreen and Backbuffer surfaces.
 */
static void destroy_d3d_surfaces(d3d_priv *priv)
{
    mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>destroy_d3d_surfaces called.\n");

    d3d_destroy_video_objects(priv);

    d3dtex_release(priv, &priv->texture_osd);

    if (priv->d3d_backbuf)
        IDirect3DSurface9_Release(priv->d3d_backbuf);
    priv->d3d_backbuf = NULL;

    d3dtex_release(priv, &priv->texture_eosd);

    if (priv->eosd)
        eosd_packer_reinit(priv->eosd, 0, 0);

    priv->d3d_in_scene = false;
}

// Allocate video surface or textures, and create shaders if needed.
static bool d3d_configure_video_objects(d3d_priv *priv)
{
    int n;
    bool need_clear = false;

    assert(priv->image_format != 0);

    if (priv->use_textures) {
        for (n = 0; n < priv->plane_count; n++) {
            struct texplane *plane = &priv->planes[n];

            if (!plane->texture.system) {
                if (!d3dtex_allocate(priv,
                                     &plane->texture,
                                     plane->d3d_format,
                                     priv->src_width >> plane->shift_x,
                                     priv->src_height >> plane->shift_y))
                {
                    mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Allocating plane %d"
                           " failed.\n", n);
                    return false;
                }

                mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Allocated plane %d:"
                       " %d bit, shift=%d/%d size=%d/%d (%d/%d).\n", n,
                       plane->bits_per_pixel,
                       plane->shift_x, plane->shift_y,
                       plane->texture.w, plane->texture.h,
                       plane->texture.tex_w, plane->texture.tex_h);

                need_clear = true;
            }
        }

        if (need_clear)
            d3d_clear_video_textures(priv);

        if (priv->pixel_shader_data) {
            if (!priv->pixel_shader &&
                FAILED(IDirect3DDevice9_CreatePixelShader(priv->d3d_device,
                    (DWORD *)priv->pixel_shader_data, &priv->pixel_shader)))
            {
                mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Failed to create "
                       "YUV conversion pixel shader.\n");
                return false;
            }
        }

    } else {

        if (!priv->d3d_surface &&
            FAILED(IDirect3DDevice9_CreateOffscreenPlainSurface(
                priv->d3d_device, priv->src_width, priv->src_height,
                priv->movie_src_fmt, D3DPOOL_DEFAULT, &priv->d3d_surface, NULL)))
        {
            mp_msg(MSGT_VO, MSGL_ERR,
                "<vo_direct3d>Allocating offscreen surface failed.\n");
            return false;
        }
    }

    return true;
}

static bool d3d_lock_video_textures(d3d_priv *priv)
{
    for (int n = 0; n < priv->plane_count; n++) {
        struct texplane *plane = &priv->planes[n];

        if (!plane->locked_rect.pBits) {
            if (FAILED(IDirect3DTexture9_LockRect(plane->texture.system, 0,
                                                  &plane->locked_rect, NULL, 0)))
            {
                mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Texture lock failure.\n");
                d3d_unlock_video_objects(priv);
                return false;
            }
        }
    }

    return true;
}

static void d3d_clear_video_textures(d3d_priv *priv)
{
    if (!d3d_lock_video_textures(priv))
        return;

    for (int n = 0; n < priv->plane_count; n++) {
        struct texplane *plane = &priv->planes[n];
        memset(plane->locked_rect.pBits, plane->clearval,
               plane->locked_rect.Pitch * plane->texture.tex_h);
    }

    d3d_unlock_video_objects(priv);
}

// Recreate and initialize D3D objects if necessary. The amount of work that
// needs to be done can be quite different: it could be that full initialization
// is required, or that some objects need to be created, or that nothing is
// done.
static bool create_d3d_surfaces(d3d_priv *priv)
{
    int osd_width = priv->vo->dwidth, osd_height = priv->vo->dheight;
    int tex_width = osd_width, tex_height = osd_height;
    mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>create_d3d_surfaces called.\n");

    if (!priv->d3d_backbuf &&
        FAILED(IDirect3DDevice9_GetBackBuffer(priv->d3d_device, 0, 0,
                                              D3DBACKBUFFER_TYPE_MONO,
                                              &priv->d3d_backbuf))) {
        mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Allocating backbuffer failed.\n");
        return 0;
    }

    if (!d3d_configure_video_objects(priv))
        return 0;

    /* create OSD */

    d3d_fix_texture_size(priv, &tex_width, &tex_height);

    while (tex_width > priv->max_texture_width
           || tex_height > priv->max_texture_height)
    {
        osd_width  >>= 1;
        osd_height >>= 1;
        tex_width  >>= 1;
        tex_height >>= 1;
    }

    if (priv->texture_osd.tex_w < tex_width
        || priv->texture_osd.tex_h < tex_height)
    {
        d3dtex_release(priv, &priv->texture_osd);

        mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>OSD texture size (%dx%d),"
               " requested (%dx%d).\n", osd_width, osd_height, tex_width,
               tex_height);

        if (!d3dtex_allocate(priv, &priv->texture_osd, D3DFMT_A8L8, tex_width,
                             tex_height))
        {
            mp_msg(MSGT_VO, MSGL_ERR,
                "<vo_direct3d>Allocating OSD texture failed.\n");
            return 0;
        }
    }

    priv->texture_osd.w = osd_width;
    priv->texture_osd.h = osd_height;

    /* setup default renderstate */
    IDirect3DDevice9_SetRenderState(priv->d3d_device,
                                    D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
    IDirect3DDevice9_SetRenderState(priv->d3d_device,
                                    D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
    IDirect3DDevice9_SetRenderState(priv->d3d_device,
                                    D3DRS_ALPHAFUNC, D3DCMP_GREATER);
    IDirect3DDevice9_SetRenderState(priv->d3d_device,
                                    D3DRS_ALPHAREF, (DWORD)0x0);
    IDirect3DDevice9_SetRenderState(priv->d3d_device,
                                    D3DRS_LIGHTING, FALSE);

    // we use up to 3 samplers for up to 3 YUV planes
    for (int n = 0; n < 3; n++) {
        IDirect3DDevice9_SetSamplerState(priv->d3d_device, n, D3DSAMP_MINFILTER,
                                         D3DTEXF_LINEAR);
        IDirect3DDevice9_SetSamplerState(priv->d3d_device, n, D3DSAMP_MAGFILTER,
                                         D3DTEXF_LINEAR);
        IDirect3DDevice9_SetSamplerState(priv->d3d_device, n, D3DSAMP_ADDRESSU,
                                         D3DTADDRESS_CLAMP);
        IDirect3DDevice9_SetSamplerState(priv->d3d_device, n, D3DSAMP_ADDRESSV,
                                         D3DTADDRESS_CLAMP);
    }

    if (priv->eosd && !priv->texture_eosd.system)
        eosd_packer_reinit(priv->eosd, priv->max_texture_width,
                           priv->max_texture_height);

    return 1;
}

static bool init_d3d(d3d_priv *priv)
{
    D3DDISPLAYMODE disp_mode;
    D3DCAPS9 disp_caps;
    DWORD texture_caps;
    DWORD dev_caps;

    priv->d3d_handle = priv->pDirect3DCreate9(D3D_SDK_VERSION);
    if (!priv->d3d_handle) {
        mp_msg(MSGT_VO, MSGL_ERR,
               "<vo_direct3d>Initializing Direct3D failed.\n");
        return false;
    }

    if (FAILED(IDirect3D9_GetAdapterDisplayMode(priv->d3d_handle,
                                                D3DADAPTER_DEFAULT,
                                                &disp_mode))) {
        mp_msg(MSGT_VO, MSGL_ERR,
               "<vo_direct3d>Reading display mode failed.\n");
        return false;
    }

    priv->desktop_fmt = disp_mode.Format;
    priv->cur_backbuf_width = disp_mode.Width;
    priv->cur_backbuf_height = disp_mode.Height;

    mp_msg(MSGT_VO, MSGL_V,
           "<vo_direct3d>Setting backbuffer dimensions to (%dx%d).\n",
           disp_mode.Width, disp_mode.Height);

    if (FAILED(IDirect3D9_GetDeviceCaps(priv->d3d_handle,
                                        D3DADAPTER_DEFAULT,
                                        DEVTYPE,
                                        &disp_caps)))
    {
        mp_msg(MSGT_VO, MSGL_ERR,
               "<vo_direct3d>Reading display capabilities failed.\n");
        return false;
    }

    /* Store relevant information reguarding caps of device */
    texture_caps                  = disp_caps.TextureCaps;
    dev_caps                      = disp_caps.DevCaps;
    priv->device_caps_power2_only =  (texture_caps & D3DPTEXTURECAPS_POW2) &&
                        !(texture_caps & D3DPTEXTURECAPS_NONPOW2CONDITIONAL);
    priv->device_caps_square_only = texture_caps & D3DPTEXTURECAPS_SQUAREONLY;
    priv->device_texture_sys      = dev_caps & D3DDEVCAPS_TEXTURESYSTEMMEMORY;
    priv->max_texture_width       = disp_caps.MaxTextureWidth;
    priv->max_texture_height      = disp_caps.MaxTextureHeight;

    if (priv->opt_force_power_of_2)
        priv->device_caps_power2_only = 1;

    mp_msg(MSGT_VO, MSGL_V,
           "<vo_direct3d>device_caps_power2_only %d, device_caps_square_only %d\n"
           "<vo_direct3d>device_texture_sys %d\n"
           "<vo_direct3d>max_texture_width %d, max_texture_height %d\n",
           priv->device_caps_power2_only, priv->device_caps_square_only,
           priv->device_texture_sys, priv->max_texture_width,
           priv->max_texture_height);

    return true;
}

/** @brief Fill D3D Presentation parameters
 */
static void fill_d3d_presentparams(d3d_priv *priv,
                                   D3DPRESENT_PARAMETERS *present_params)
{
    /* Prepare Direct3D initialization parameters. */
    memset(present_params, 0, sizeof(D3DPRESENT_PARAMETERS));
    present_params->Windowed               = TRUE;
    present_params->SwapEffect             =
        priv->opt_swap_discard ? D3DSWAPEFFECT_DISCARD : D3DSWAPEFFECT_COPY;
    present_params->Flags                  = D3DPRESENTFLAG_VIDEO;
    present_params->hDeviceWindow          = vo_w32_window; /* w32_common var */
    present_params->BackBufferWidth        = priv->cur_backbuf_width;
    present_params->BackBufferHeight       = priv->cur_backbuf_height;
    present_params->MultiSampleType        = D3DMULTISAMPLE_NONE;
    present_params->PresentationInterval   = D3DPRESENT_INTERVAL_ONE;
    present_params->BackBufferFormat       = priv->desktop_fmt;
    present_params->BackBufferCount        = 1;
    present_params->EnableAutoDepthStencil = FALSE;
}


// Create a new backbuffer. Create or Reset the D3D device.
static bool change_d3d_backbuffer(d3d_priv *priv)
{
    D3DPRESENT_PARAMETERS present_params;

    int window_w = priv->vo->dwidth;
    int window_h = priv->vo->dheight;

    /* Grow the backbuffer in the required dimension. */
    if (window_w > priv->cur_backbuf_width)
        priv->cur_backbuf_width = window_w;

    if (window_h > priv->cur_backbuf_height)
        priv->cur_backbuf_height = window_h;

    if (priv->opt_exact_backbuffer) {
        priv->cur_backbuf_width = window_w;
        priv->cur_backbuf_height = window_h;
    }

    /* The grown backbuffer dimensions are ready and fill_d3d_presentparams
     * will use them, so we can reset the device.
     */
    fill_d3d_presentparams(priv, &present_params);

    if (!priv->d3d_device) {
        if (FAILED(IDirect3D9_CreateDevice(priv->d3d_handle,
                                           D3DADAPTER_DEFAULT,
                                           DEVTYPE, vo_w32_window,
                                           D3DCREATE_SOFTWARE_VERTEXPROCESSING
                                           | D3DCREATE_FPU_PRESERVE,
                                           &present_params, &priv->d3d_device)))
        {
            mp_msg(MSGT_VO, MSGL_V,
                   "<vo_direct3d>Creating Direct3D device failed.\n");
            return 0;
        }
    } else {
        if (FAILED(IDirect3DDevice9_Reset(priv->d3d_device, &present_params))) {
            mp_msg(MSGT_VO, MSGL_ERR,
                   "<vo_direct3d>Reseting Direct3D device failed.\n");
            return 0;
        }
    }

    mp_msg(MSGT_VO, MSGL_V,
           "<vo_direct3d>New backbuffer (%dx%d), VO (%dx%d)\n",
           present_params.BackBufferWidth, present_params.BackBufferHeight,
           window_w, window_h);

    return 1;
}

/** @brief Reconfigure the whole Direct3D. Called only
 *  when the video adapter becomes uncooperative. ("Lost" devices)
 *  @return 1 on success, 0 on failure
 */
static int reconfigure_d3d(d3d_priv *priv)
{
    mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>reconfigure_d3d called.\n");

    destroy_d3d_surfaces(priv);

    if (priv->d3d_device)
        IDirect3DDevice9_Release(priv->d3d_device);
    priv->d3d_device = NULL;

    // Force complete destruction of the D3D state.
    // Note: this step could be omitted. The resize_d3d call below would detect
    // that d3d_device is NULL, and would properly recreate it. I'm not sure why
    // the following code to release and recreate the d3d_handle exists.
    if (priv->d3d_handle)
        IDirect3D9_Release(priv->d3d_handle);
    priv->d3d_handle = NULL;
    if (!init_d3d(priv))
        return 0;

    // Proper re-initialization.
    if (!resize_d3d(priv))
        return 0;

    return 1;
}

// Resize Direct3D context on window resize.
// This function also is called when major initializations need to be done.
static bool resize_d3d(d3d_priv *priv)
{
    D3DVIEWPORT9 vp = {0, 0, priv->vo->dwidth, priv->vo->dheight, 0, 1};

    mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>resize_d3d called.\n");

    /* Make sure that backbuffer is large enough to accomodate the new
       viewport dimensions. Grow it if necessary. */

    bool backbuf_resize = priv->vo->dwidth > priv->cur_backbuf_width ||
                          priv->vo->dheight > priv->cur_backbuf_height;

    if (priv->opt_exact_backbuffer) {
        backbuf_resize = priv->vo->dwidth != priv->cur_backbuf_width ||
                         priv->vo->dheight != priv->cur_backbuf_height;
    }

    if (backbuf_resize || !priv->d3d_device)
    {
        destroy_d3d_surfaces(priv);
        if (!change_d3d_backbuffer(priv))
            return 0;
    }

    if (!priv->d3d_device)
        return 1;

    if (!create_d3d_surfaces(priv))
        return 0;

    if (FAILED(IDirect3DDevice9_SetViewport(priv->d3d_device, &vp))) {
        mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Setting viewport failed.\n");
        return 0;
    }

    // so that screen coordinates map to D3D ones
    D3DMATRIX view;
    d3d_matrix_ortho(&view, 0.5f, vp.Width + 0.5f, vp.Height + 0.5f, 0.5f);
    IDirect3DDevice9_SetTransform(priv->d3d_device, D3DTS_VIEW, &view);

    calc_fs_rect(priv);

#ifdef CONFIG_FREETYPE
    // font needs to be adjusted
    force_load_font = 1;
#endif
    // OSD needs to be drawn fresh for new size
    vo_osd_changed(OSDTYPE_OSD);

    priv->vo->want_redraw = true;

    return 1;
}

/** @brief Uninitialize Direct3D and close the window.
 */
static void uninit_d3d(d3d_priv *priv)
{
    mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>uninit_d3d called.\n");

    destroy_d3d_surfaces(priv);

    if (priv->d3d_device)
        IDirect3DDevice9_Release(priv->d3d_device);
    priv->d3d_device = NULL;

    if (priv->d3d_handle) {
        mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Stopping Direct3D.\n");
        IDirect3D9_Release(priv->d3d_handle);
    }
    priv->d3d_handle = NULL;
}

static uint32_t d3d_upload_and_render_frame_texture(d3d_priv *priv,
                                                    mp_image_t *mpi)
{
    if (!(mpi->flags & MP_IMGFLAG_DRAW_CALLBACK))
        draw_slice(priv->vo, mpi->planes, mpi->stride, mpi->w, mpi->h, 0, 0);

    d3d_unlock_video_objects(priv);

    for (int n = 0; n < priv->plane_count; n++) {
        d3dtex_update(priv, &priv->planes[n].texture);
    }

    return d3d_draw_frame(priv);
}

/** @brief Render a frame on the screen.
 *  @param mpi mpi structure with the decoded frame inside
 *  @return VO_TRUE on success, VO_ERROR on failure
 */
static uint32_t d3d_upload_and_render_frame(d3d_priv *priv, mp_image_t *mpi)
{
    if (!priv->d3d_device)
        return VO_TRUE;

    if (priv->use_textures)
        return d3d_upload_and_render_frame_texture(priv, mpi);

    if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
        goto skip_upload;

    if (mpi->flags & MP_IMGFLAG_PLANAR) { /* Copy a planar frame. */
        draw_slice(priv->vo, mpi->planes, mpi->stride, mpi->w, mpi->h, 0, 0);
        goto skip_upload;
    }

    /* If we're here, then we should lock the rect and copy a packed frame */
    if (!priv->locked_rect.pBits) {
        if (FAILED(IDirect3DSurface9_LockRect(priv->d3d_surface,
                                              &priv->locked_rect, NULL, 0))) {
            mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Surface lock failed.\n");
            return VO_ERROR;
        }
    }

    memcpy_pic(priv->locked_rect.pBits, mpi->planes[0], mpi->stride[0],
               mpi->height, priv->locked_rect.Pitch, mpi->stride[0]);

skip_upload:
    d3d_unlock_video_objects(priv);

    return d3d_draw_frame(priv);
}

static uint32_t d3d_draw_frame(d3d_priv *priv)
{
    int n;

    if (!priv->d3d_device)
        return VO_TRUE;

    if (!d3d_begin_scene(priv))
        return VO_ERROR;

    if (priv->is_clear_needed || priv->opt_swap_discard) {
        IDirect3DDevice9_Clear(priv->d3d_device, 0, NULL,
                               D3DCLEAR_TARGET, 0, 0, 0);
        priv->is_clear_needed = 0;
    }

    if (priv->use_textures) {

        for (n = 0; n < priv->plane_count; n++) {
            IDirect3DDevice9_SetTexture(priv->d3d_device, n,
                d3dtex_get_render_texture(priv, &priv->planes[n].texture));
        }

        RECT rm = priv->fs_movie_rect;
        RECT rs = priv->fs_panscan_rect;

        vertex_video vb[] = {
            { rm.left,  rm.top,    0.0f},
            { rm.right, rm.top,    0.0f},
            { rm.left,  rm.bottom, 0.0f},
            { rm.right, rm.bottom, 0.0f}
        };

        float texc[4][2] = {
            { rs.left,  rs.top},
            { rs.right, rs.top},
            { rs.left,  rs.bottom},
            { rs.right, rs.bottom}
        };

        for (n = 0; n < priv->plane_count; n++) {
            float s_x = (1.0f / (1 << priv->planes[n].shift_x))
                        / priv->planes[n].texture.tex_w;
            float s_y = (1.0f / (1 << priv->planes[n].shift_y))
                        / priv->planes[n].texture.tex_h;
            for (int i = 0; i < 4; i++) {
                vb[i].t[n][0] = texc[i][0] * s_x;
                vb[i].t[n][1] = texc[i][1] * s_y;
            }
        }

        if (priv->pixel_shader) {
            IDirect3DDevice9_SetPixelShader(priv->d3d_device, priv->pixel_shader);
            IDirect3DDevice9_SetPixelShaderConstantF(priv->d3d_device, 0,
                                                     &priv->d3d_colormatrix._11,
                                                     4);
            IDirect3DDevice9_SetPixelShaderConstantF(priv->d3d_device, 5,
                                                     priv->d3d_depth_vector,
                                                     1);
        }

        IDirect3DDevice9_SetFVF(priv->d3d_device, D3DFVF_VIDEO_VERTEX);
        IDirect3DDevice9_DrawPrimitiveUP(priv->d3d_device, D3DPT_TRIANGLESTRIP,
                                         2, &vb[0], sizeof(vertex_video));

        IDirect3DDevice9_SetPixelShader(priv->d3d_device, NULL);

        for (n = 0; n < priv->plane_count; n++) {
            IDirect3DDevice9_SetTexture(priv->d3d_device, n, NULL);
        }

    } else {
        if (FAILED(IDirect3DDevice9_StretchRect(priv->d3d_device,
                                                priv->d3d_surface,
                                                &priv->fs_panscan_rect,
                                                priv->d3d_backbuf,
                                                &priv->fs_movie_rect,
                                                D3DTEXF_LINEAR))) {
            mp_msg(MSGT_VO, MSGL_ERR,
                "<vo_direct3d>Copying frame to the backbuffer failed.\n");
            return VO_ERROR;
        }
    }

    return VO_TRUE;
}

// Return the high byte of the value that represents white in chroma (U/V)
static int get_chroma_clear_val(int bit_depth)
{
    return 1 << (bit_depth - 1 & 7);
}

// this macro is supposed to work on all formats supported by 3D rendering, and
// that produce "reasonable" output (i.e. no mixed up colors)
#define IMGFMT_IS_ANY_RND(x) \
    (IMGFMT_IS_BGR(x) || IMGFMT_IS_RGB(x) || IMGFMT_IS_Y(x))

// pixel size in bit for any IMGFMT_IS_ANY_RND(x)==true
// we assume that the actual pixel strides are always aligned on bytes
static int imgfmt_any_rnd_depth(int fmt)
{
    if (IMGFMT_IS_BGR(fmt))
        return IMGFMT_BGR_DEPTH(fmt);
    if (IMGFMT_IS_RGB(fmt))
        return IMGFMT_RGB_DEPTH(fmt);
    if (IMGFMT_IS_Y(fmt))
        return IMGFMT_Y_DEPTH(fmt);
    assert(false);
    return 0;
}

static D3DFORMAT check_format(d3d_priv *priv, uint32_t movie_fmt,
                              bool as_texture)
{
    const char *type = as_texture ? "texture rendering" : "StretchRect";
    const struct fmt_entry *cur = &fmt_table[0];

    // Don't try to handle weird packed texture formats (although I don't know
    // if D3D9 would even accept any such format for 3D rendering; and we
    // certainly don't try any tricks like matching it to RGB formats and
    // applying a YUV conversion matrix)
    if (as_texture && !IMGFMT_IS_ANY_RND(movie_fmt))
        return 0;

    while (cur->mplayer_fmt) {
        if (cur->mplayer_fmt == movie_fmt) {
            HRESULT res;
            if (as_texture) {
                res = IDirect3D9_CheckDeviceFormat(priv->d3d_handle,
                            D3DADAPTER_DEFAULT,
                            DEVTYPE,
                            priv->desktop_fmt,
                            D3DUSAGE_DYNAMIC | D3DUSAGE_QUERY_FILTER,
                            D3DRTYPE_TEXTURE,
                            cur->fourcc);
            } else {
                /* Test conversion from Movie colorspace to
                * display's target colorspace. */
                res = IDirect3D9_CheckDeviceFormatConversion(priv->d3d_handle,
                            D3DADAPTER_DEFAULT,
                            DEVTYPE,
                            cur->fourcc,
                            priv->desktop_fmt);
            }
            if (FAILED(res)) {
                mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Rejected image format "
                       "(%s): %s\n", type, vo_format_name(cur->mplayer_fmt));
                return 0;
            }

            mp_msg(MSGT_VO, MSGL_DBG2, "<vo_direct3d>Accepted image format "
                   "(%s): %s\n", type, vo_format_name(cur->mplayer_fmt));

            return cur->fourcc;
        }
        cur++;
    }

    return 0;
}

// Check whether YUV conversion with shaders can be done.
// Returns the format the individual planes should use (or 0 on failure)
static D3DFORMAT check_shader_conversion(d3d_priv *priv, uint32_t fmt)
{
    if (priv->opt_disable_shaders)
        return 0;
    int component_bits;
    if (!mp_get_chroma_shift(fmt, NULL, NULL, &component_bits))
        return 0;
    if (component_bits < 8 || component_bits > 16)
        return 0;
    bool is_8bit = component_bits == 8;
    if (!is_8bit && priv->opt_only_8bit)
        return 0;
    int texfmt = IMGFMT_Y8;
    if (!is_8bit) {
        if (priv->opt_16bit_textures)
            texfmt = IMGFMT_Y16;
        else
            texfmt = IMGFMT_A8Y8;
    }
    return check_format(priv, texfmt, true);
}

// Return if the image format can be used. If it can, decide which rendering
// and conversion mode to use.
// If initialize is true, actually setup all variables to use the picked
// rendering mode.
static bool init_rendering_mode(d3d_priv *priv, uint32_t fmt, bool initialize)
{
    int n;
    int blit_d3dfmt = check_format(priv, fmt, false);
    int texture_d3dfmt = check_format(priv, fmt, true);
    int shader_d3dfmt = check_shader_conversion(priv, fmt);

    if (priv->opt_disable_textures)
        texture_d3dfmt = 0;
    if (priv->opt_disable_shaders)
        shader_d3dfmt = 0;
    if (priv->opt_disable_stretchrect)
        blit_d3dfmt = 0;

    if (!(blit_d3dfmt || shader_d3dfmt || texture_d3dfmt))
        return false;

    mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Accepted rendering methods for "
           "format='%s': StretchRect=%#x, Texture=%#x, Texture+Shader=%#x.\n",
           vo_format_name(fmt), blit_d3dfmt, texture_d3dfmt, shader_d3dfmt);

    if (!initialize)
        return true;

    // initialization doesn't fail beyond this point

    priv->use_shaders = false;
    priv->use_textures = false;
    priv->use_2ch_hack = false;
    priv->movie_src_fmt = 0;
    priv->pixel_shader_data = NULL;
    priv->plane_count = 0;
    priv->image_format = fmt;

    if (blit_d3dfmt && priv->opt_prefer_stretchrect)
        texture_d3dfmt = shader_d3dfmt = 0;

    if (texture_d3dfmt) {
        priv->use_textures = true;
    } else if (shader_d3dfmt) {
        priv->use_textures = true;
        priv->use_shaders = true;
    } else {
        assert(!!blit_d3dfmt);
    }

    if (priv->use_textures) {
        mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Using 3D rendering.\n");

        struct texplane *planes = &priv->planes[0];
        planes[0].shift_x = planes[0].shift_y = 0;
        planes[0].clearval = 0;

        if (!priv->use_shaders) {
            assert(IMGFMT_IS_ANY_RND(priv->image_format));
            priv->plane_count = 1;
            planes[0].bits_per_pixel = imgfmt_any_rnd_depth(priv->image_format);
            planes[0].d3d_format = texture_d3dfmt;
        } else {
            mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Using YUV shaders.\n");

            int sx, sy, component_bits;
            mp_get_chroma_shift(priv->image_format, &sx, &sy, &component_bits);
            priv->plane_count = 3;
            for (n = 0; n < 3; n++) {
                planes[n].d3d_format = shader_d3dfmt;
                planes[n].bits_per_pixel = component_bits;
                if (n > 0) {
                    planes[n].shift_x = sx;
                    planes[n].shift_y = sy;
                    planes[n].clearval = get_chroma_clear_val(component_bits);
                }
            }
            if (shader_d3dfmt != D3DFMT_A8L8) {
                priv->pixel_shader_data = d3d_shader_yuv;
            } else {
                mp_msg(MSGT_VO, MSGL_WARN, "<vo_direct3d>Using YUV 2ch hack.\n");

                priv->pixel_shader_data = d3d_shader_yuv_2ch;
                priv->use_2ch_hack = true;
            }
        }

        for (n = 0; n < priv->plane_count; n++) {
            planes[n].bytes_per_pixel = (planes[n].bits_per_pixel + 7) / 8;
        }

    } else {
        mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Using StretchRect.\n");

        priv->movie_src_fmt = blit_d3dfmt;
    }

    update_colorspace(priv);

    return true;
}

/** @brief Query if movie colorspace is supported by the HW.
 *  @return 0 on failure, device capabilities (not probed
 *          currently) on success.
 */
static int query_format(d3d_priv *priv, uint32_t movie_fmt)
{
    if (!init_rendering_mode(priv, movie_fmt, false))
        return 0;

    int eosd_caps = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW
                    | VFCAP_OSD | VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN;
    if (priv->eosd)
        eosd_caps |= VFCAP_EOSD | VFCAP_EOSD_UNSCALED;
    return eosd_caps;
}

/****************************************************************************
 *                                                                          *
 *                                                                          *
 *                                                                          *
 * libvo Control / Callback functions                                       *
 *                                                                          *
 *                                                                          *
 *                                                                          *
 ****************************************************************************/

static void get_2ch_depth_multiplier(int depth, float *out_f1, float *out_f2) {
    // How to get these values:
    //  The suffix i8 and i16 is for values with 8/16 bit fixed point numbers.
    //  The suffix f is for float, ideally in the range 0.0-1.0.
    //  c_i8 is a two component vector, sampled from a two channel texture.
    //  (c_i8.x is the low byte, c_i8.y is the high byte)
    //  r_f is the resulting color scalar value.
    //
    //  c_i8 = c_f * (2^8-1)
    //  r_i16 = c_i8.x + c_i8.y * 2^8
    //  r_f = r_i16 / (2^16-1)
    //      = c_f.x * (2^8-1) / (2^16-1) + c_f.y * (2^8-1) * 2^8 / (2^16-1)
    //      = c_f.x * ((2^8-1) / (2^16-1)) + c_f.y * (2^8 * ((2^8-1) / (2^16-1)))
    // out = ((2^8-1) / (2^16-1),  2^8 * ((2^8-1) / (2^16-1)))
    // The result color is r_f = dot(c_f, out).
    // Same goes for other bit depth, such as 10 bit. Assuming (2^depth-1) is
    // the maximum possible value at that depth, you have to scale the value
    // r_i16 with it, the factor (2^16-1) in the formula above has to be
    // replaced with (2^depth-1).
    float factor = (float)((1 << 8) - 1) / (float)((1 << depth) - 1);
    *out_f1 = factor;
    *out_f2 = 256.0 * factor;
}

static void update_colorspace(d3d_priv *priv)
{
    float coeff[3][4];
    struct mp_csp_params csp = { .colorspace = priv->colorspace };
    mp_csp_copy_equalizer_values(&csp, &priv->video_eq);

    if (priv->use_shaders) {
        if (!priv->use_2ch_hack) {
            csp.input_bits = priv->planes[0].bits_per_pixel;
            csp.texture_bits = (csp.input_bits + 7) & ~7;
        } else {
            float f1, f2;
            get_2ch_depth_multiplier(priv->planes[0].bits_per_pixel, &f1, &f2);
            priv->d3d_depth_vector[0] = f1;
            priv->d3d_depth_vector[1] = f2;
            priv->d3d_depth_vector[2] = priv->d3d_depth_vector[3] = 0;
            // no change
            csp.input_bits = 8;
            csp.texture_bits = 8;
        }

        mp_get_yuv2rgb_coeffs(&csp, coeff);
        for (int row = 0; row < 3; row++) {
            for (int col = 0; col < 4; col++) {
                priv->d3d_colormatrix.m[row][col] = coeff[row][col];
            }
        }
    }
}

const char *options_help_text = "-vo direct3d command line help:\n"
"Example: -vo direct3d:disable-eosd:disable-textures\n"
"Options:\n"
"    prefer-stretchrect\n"
"        Use IDirect3DDevice9::StretchRect over other methods if possible.\n"
"    disable-stretchrect\n"
"        Never render the video using IDirect3DDevice9::StretchRect.\n"
"    disable-textures\n"
"        Never render the video using D3D texture rendering. (Rendering with\n"
"        textures + shader will still be allowed. Add disable-shaders to\n"
"        completely disable video rendering with textures.)\n"
"    disable-shaders\n"
"        Never use shaders when rendering video.\n"
"    only-8bit\n"
"        Never render YUV video with more than 8 bits per component.\n"
"        (Using this flag will force software conversion to 8 bit.)\n"
"    disable-eosd\n"
"        Disable EOSD rendering for subtitles.\n"
"        (Using this flag might force the insertion of the 'ass' video filter,\n"
"         which will render the subtitles in software.)\n"
"    disable-texture-align\n"
"        Normally texture sizes are always aligned to 16. With this option\n"
"        enabled, the video texture will always have exactly the same size as\n"
"        the video itself.\n"
"Debug options. These might be incorrect, might be removed in the future, might\n"
"crash, might cause slow downs, etc. Contact the developers if you actually need\n"
"any of these for performance or proper operation.\n"
"    force-power-of-2\n"
"        Always force textures to power of 2, even if the device reports\n"
"        non-power-of-2 texture sizes as supported.\n"
"    texture-memory=N\n"
"        Only affects operation with shaders/texturing enabled, and (E)OSD.\n"
"        Values for N:\n"
"           0 default, will often use an additional shadow texture + copy\n"
"           1 use D3DPOOL_MANAGED\n"
"           2 use D3DPOOL_DEFAULT\n"
"           3 use D3DPOOL_SYSTEMMEM, but without shadow texture\n"
"    swap-discard\n"
"        Use D3DSWAPEFFECT_DISCARD, which might be faster.\n"
"        Might be slower too, as it must (?) clear every frame.\n"
"    exact-backbuffer\n"
"        Always resize the backbuffer to window size.\n"
"    no16bit-textures\n"
"        Don't use textures with a 16 bit color channel for YUV formats that\n"
"        use more than 8 bits per component. Instead, use D3DFMT_A8L8 textures\n"
"        and compute the values sampled from the 2 channels back into one.\n"
"        Might be slower, since the shader becomes slightly more complicated.\n"
"        Might work better, if your drivers either don't support D3DFMT_L16,\n"
"        or if either the texture unit or the shaders don't operate in at least\n"
"        16 bit precision.\n"
"";

/** @brief libvo Callback: Preinitialize the video card.
 *  Preinit the hardware just enough to be queried about
 *  supported formats.
 *
 *  @return 0 on success, -1 on failure
 */

static int preinit_internal(struct vo *vo, const char *arg, bool allow_shaders)
{
    d3d_priv *priv = talloc_zero(vo, d3d_priv);
    vo->priv = priv;

    *priv = (d3d_priv) {
        .vo = vo,

        .opt_16bit_textures = true,

        .colorspace = MP_CSP_DETAILS_DEFAULTS,
        .video_eq = { MP_CSP_EQ_CAPS_COLORMATRIX },
    };

    if (!allow_shaders) {
        priv->opt_disable_shaders = priv->opt_disable_textures = true;
    }

    const opt_t subopts[] = {
        {"prefer-stretchrect", OPT_ARG_BOOL, &priv->opt_prefer_stretchrect},
        {"disable-textures", OPT_ARG_BOOL, &priv->opt_disable_textures},
        {"disable-stretchrect", OPT_ARG_BOOL, &priv->opt_disable_stretchrect},
        {"disable-shaders", OPT_ARG_BOOL, &priv->opt_disable_shaders},
        {"only-8bit", OPT_ARG_BOOL, &priv->opt_only_8bit},
        {"disable-eosd", OPT_ARG_BOOL, &priv->opt_disable_eosd},
        {"force-power-of-2", OPT_ARG_BOOL, &priv->opt_force_power_of_2},
        {"disable-texture-align", OPT_ARG_BOOL, &priv->opt_disable_texture_align},
        {"texture-memory", OPT_ARG_INT, &priv->opt_texture_memory},
        {"swap-discard", OPT_ARG_BOOL, &priv->opt_swap_discard},
        {"exact-backbuffer", OPT_ARG_BOOL, &priv->opt_exact_backbuffer},
        {"16bit-textures", OPT_ARG_BOOL, &priv->opt_16bit_textures},
        {NULL}
    };
    if (subopt_parse(arg, subopts) != 0) {
        mp_msg(MSGT_VO, MSGL_FATAL, options_help_text);
        return -1;
    }

    if (!priv->opt_disable_eosd)
        priv->eosd = eosd_packer_create(priv);

    priv->d3d9_dll = LoadLibraryA("d3d9.dll");
    if (!priv->d3d9_dll) {
        mp_msg(MSGT_VO, MSGL_ERR,
               "<vo_direct3d>Unable to dynamically load d3d9.dll\n");
        goto err_out;
    }

    priv->pDirect3DCreate9 = (void *)GetProcAddress(priv->d3d9_dll,
                                                    "Direct3DCreate9");
    if (!priv->pDirect3DCreate9) {
        mp_msg(MSGT_VO, MSGL_ERR,
               "<vo_direct3d>Unable to find entry point of Direct3DCreate9\n");
        goto err_out;
    }

    if (!init_d3d(priv))
        goto err_out;

    /* w32_common framework call. Configures window on the screen, gets
     * fullscreen dimensions and does other useful stuff.
     */
    global_vo = vo;
    if (!vo_w32_init()) {
        mp_msg(MSGT_VO, MSGL_V,
               "<vo_direct3d>Configuring onscreen window failed.\n");
        goto err_out;
    }

    return 0;

err_out:
    uninit(vo);
    return -1;
}

static int preinit_standard(struct vo *vo, const char *arg)
{
    return preinit_internal(vo, arg, false);
}

static int preinit_shaders(struct vo *vo, const char *arg)
{
    return preinit_internal(vo, arg, true);
}

/** @brief libvo Callback: Handle control requests.
 *  @return VO_TRUE on success, VO_NOTIMPL when not implemented
 */
static int control(struct vo *vo, uint32_t request, void *data)
{
    d3d_priv *priv = vo->priv;

    switch (request) {
    case VOCTRL_QUERY_FORMAT:
        return query_format(priv, *(uint32_t*) data);
    case VOCTRL_GET_IMAGE:
        mp_msg(MSGT_VO, MSGL_V,
               "<vo_direct3d>Direct Rendering request. Not implemented yet.\n");
        return VO_NOTIMPL;
    case VOCTRL_DRAW_IMAGE:
        return d3d_upload_and_render_frame(priv, data);
    case VOCTRL_FULLSCREEN:
        vo_w32_fullscreen();
        resize_d3d(priv);
        return VO_TRUE;
    case VOCTRL_RESET:
        return VO_NOTIMPL;
    case VOCTRL_REDRAW_FRAME:
        priv->is_clear_needed = 1;
        d3d_draw_frame(priv);
        return VO_TRUE;
    case VOCTRL_SET_YUV_COLORSPACE:
        priv->colorspace = *(struct mp_csp_details *)data;
        update_colorspace(priv);
        vo->want_redraw = true;
        return VO_TRUE;
    case VOCTRL_GET_YUV_COLORSPACE:
        if (!priv->use_shaders)
            break; // no idea what the heck D3D YUV uses
        *(struct mp_csp_details *)data = priv->colorspace;
        return VO_TRUE;
    case VOCTRL_SET_EQUALIZER: {
        if (!priv->use_shaders)
            break;
        struct voctrl_set_equalizer_args *args = data;
        if (mp_csp_equalizer_set(&priv->video_eq, args->name, args->value) < 0)
            return VO_NOTIMPL;
        update_colorspace(priv);
        vo->want_redraw = true;
        return VO_TRUE;
    }
    case VOCTRL_GET_EQUALIZER: {
        if (!priv->use_shaders)
            break;
        struct voctrl_get_equalizer_args *args = data;
        return mp_csp_equalizer_get(&priv->video_eq, args->name, args->valueptr)
               >= 0 ? VO_TRUE : VO_NOTIMPL;
    }
    case VOCTRL_ONTOP:
        vo_w32_ontop();
        return VO_TRUE;
    case VOCTRL_BORDER:
        vo_w32_border();
        return VO_TRUE;
    case VOCTRL_UPDATE_SCREENINFO:
        w32_update_xinerama_info();
        return VO_TRUE;
    case VOCTRL_SET_PANSCAN:
        calc_fs_rect(priv);
        return VO_TRUE;
    case VOCTRL_GET_PANSCAN:
        return VO_TRUE;
    case VOCTRL_DRAW_EOSD:
        if (!data)
            return VO_FALSE;
        assert(priv->eosd);
        generate_eosd(priv, data);
        draw_eosd(priv);
        return VO_TRUE;
    case VOCTRL_GET_EOSD_RES: {
        assert(priv->eosd);
        struct mp_eosd_res *r = data;
        r->w = vo->dwidth;
        r->h = vo->dheight;
        r->ml = r->mr = priv->border_x;
        r->mt = r->mb = priv->border_y;
        return VO_TRUE;
    }
    case VOCTRL_SCREENSHOT: {
        struct voctrl_screenshot_args *args = data;
        if (args->full_window)
            args->out_image = get_window_screenshot(priv);
        else
            args->out_image = get_screenshot(priv);
        return !!args->out_image;
    }
    }
    return VO_NOTIMPL;
}

/** @brief libvo Callback: Configre the Direct3D adapter.
 *  @param width    Movie source width
 *  @param height   Movie source height
 *  @param d_width  Screen (destination) width
 *  @param d_height Screen (destination) height
 *  @param options  Options bitmap
 *  @param format   Movie colorspace format (using MPlayer's
 *                  defines, e.g. IMGFMT_YUY2)
 *  @return 0 on success, VO_ERROR on failure
 */
static int config(struct vo *vo, uint32_t width, uint32_t height,
                  uint32_t d_width, uint32_t d_height, uint32_t options,
                  uint32_t format)
{
    d3d_priv *priv = vo->priv;

    /* w32_common framework call. Creates window on the screen with
     * the given coordinates.
     */
    if (!vo_w32_config(d_width, d_height, options)) {
        mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Creating window failed.\n");
        return VO_ERROR;
    }

    priv->src_d_width = d_width;
    priv->src_d_height = d_height;

    if ((priv->image_format != format)
        || (priv->src_width != width)
        || (priv->src_height != height))
    {
        d3d_destroy_video_objects(priv);

        priv->src_width = width;
        priv->src_height = height;
        init_rendering_mode(priv, format, true);
    }

    if (!resize_d3d(priv))
        return VO_ERROR;

    return 0; /* Success */
}

/** @brief libvo Callback: Flip next already drawn frame on the
 *         screen.
 */
static void flip_page(struct vo *vo)
{
    d3d_priv *priv = vo->priv;

    if (priv->d3d_device && priv->d3d_in_scene) {
        if (FAILED(IDirect3DDevice9_EndScene(priv->d3d_device))) {
            mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>EndScene failed.\n");
        }
    }
    priv->d3d_in_scene = false;

    RECT rect = {0, 0, vo->dwidth, vo->dheight};
    if (!priv->d3d_device ||
        FAILED(IDirect3DDevice9_Present(priv->d3d_device, &rect, 0, 0, 0))) {
        mp_msg(MSGT_VO, MSGL_V,
               "<vo_direct3d>Trying to reinitialize uncooperative video adapter.\n");
        if (!reconfigure_d3d(priv)) {
            mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Reinitialization failed.\n");
            return;
        } else {
            mp_msg(MSGT_VO, MSGL_V,
                   "<vo_direct3d>Video adapter reinitialized.\n");
        }
    }
}

/** @brief libvo Callback: Uninitializes all pointers and closes
 *         all D3D related stuff,
 */
static void uninit(struct vo *vo)
{
    d3d_priv *priv = vo->priv;

    mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>uninit called.\n");

    uninit_d3d(priv);
    vo_w32_uninit(); /* w32_common framework call */
    if (priv->d3d9_dll)
        FreeLibrary(priv->d3d9_dll);
    priv->d3d9_dll = NULL;
}

/** @brief libvo Callback: Handles video window events.
 */
static void check_events(struct vo *vo)
{
    d3d_priv *priv = vo->priv;

    int flags;
    /* w32_common framework call. Handles video window events.
     * Updates global libvo's vo_dwidth/vo_dheight upon resize
     * with the new window width/height.
     */
    flags = vo_w32_check_events();
    if (flags & VO_EVENT_RESIZE)
        resize_d3d(priv);

    if (flags & VO_EVENT_EXPOSE)
        vo->want_redraw = true;
}

static int draw_slice_textures(d3d_priv *priv, uint8_t *src[], int stride[],
                               int w, int h, int x, int y)
{
    if (!d3d_lock_video_textures(priv))
        return VO_FALSE;

    for (int n = 0; n < priv->plane_count; n++) {
        struct texplane *plane = &priv->planes[n];

        int dst_stride = plane->locked_rect.Pitch;
        uint8_t *pdst = (uint8_t*)plane->locked_rect.pBits
                        + (y >> plane->shift_y) * dst_stride
                        + (x >> plane->shift_x) * plane->bytes_per_pixel;

        memcpy_pic(pdst, src[n], (w >> plane->shift_x) * plane->bytes_per_pixel,
                   h >> plane->shift_y, dst_stride, stride[n]);
    }

    return 0;
}

/** @brief libvo Callback: Draw slice
 *  @return 0 on success
 */
static int draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h,
                      int x, int y)
{
    d3d_priv *priv = vo->priv;

    if (!priv->d3d_device)
        return 0;

    char *my_src;   /**< Pointer to the source image */
    char *dst;      /**< Pointer to the destination image */
    int  uv_stride; /**< Stride of the U/V planes */

    if (priv->use_textures)
        return draw_slice_textures(priv, src, stride, w, h, x, y);

    /* Lock the offscreen surface if it's not already locked. */
    if (!priv->locked_rect.pBits) {
        if (FAILED(IDirect3DSurface9_LockRect(priv->d3d_surface,
                                              &priv->locked_rect, NULL, 0))) {
            mp_msg(MSGT_VO, MSGL_V, "<vo_direct3d>Surface lock failure.\n");
            return VO_FALSE;
        }
    }

    uv_stride = priv->locked_rect.Pitch / 2;

    /* Copy Y */
    dst = priv->locked_rect.pBits;
    dst = dst + priv->locked_rect.Pitch * y + x;
    my_src = src[0];
    memcpy_pic(dst, my_src, w, h, priv->locked_rect.Pitch, stride[0]);

    w /= 2;
    h /= 2;
    x /= 2;
    y /= 2;

    /* Copy U */
    dst = priv->locked_rect.pBits;
    dst = dst + priv->locked_rect.Pitch * priv->src_height
          + uv_stride * y + x;
    if (priv->movie_src_fmt == MAKEFOURCC('Y','V','1','2'))
        my_src = src[2];
    else
        my_src = src[1];

    memcpy_pic(dst, my_src, w, h, uv_stride, stride[1]);

    /* Copy V */
    dst = priv->locked_rect.pBits;
    dst = dst + priv->locked_rect.Pitch * priv->src_height
          + uv_stride * (priv->src_height / 2) + uv_stride * y + x;
    if (priv->movie_src_fmt == MAKEFOURCC('Y','V','1','2'))
        my_src=src[1];
    else
        my_src=src[2];

    memcpy_pic(dst, my_src, w, h, uv_stride, stride[2]);

    return 0; /* Success */
}

static bool get_screenshot_from_surface(d3d_priv *priv, mp_image_t *image)
{
    if (!priv->locked_rect.pBits) {
        if (FAILED(IDirect3DSurface9_LockRect(priv->d3d_surface,
                                              &priv->locked_rect, NULL, 0))) {
            mp_msg(MSGT_VO, MSGL_ERR, "<vo_direct3d>Surface lock failed.\n");
            return false;
        }
    }

    if (image->flags & MP_IMGFLAG_PLANAR) {
        char *src;
        int w = priv->src_width;
        int h = priv->src_height;
        int swapped = priv->movie_src_fmt == MAKEFOURCC('Y','V','1','2');
        int plane1 = swapped ? 2 : 1;
        int plane2 = swapped ? 1 : 2;

        int uv_stride = priv->locked_rect.Pitch / 2;

        /* Copy Y */
        src = priv->locked_rect.pBits;
        memcpy_pic(image->planes[0], src, w, h, priv->locked_rect.Pitch,
                   image->stride[0]);

        w /= 2;
        h /= 2;

        /* Copy U */
        src = priv->locked_rect.pBits;
        src = src + priv->locked_rect.Pitch * priv->src_height;

        memcpy_pic(image->planes[plane1], src, w, h, uv_stride,
                   image->stride[1]);

        /* Copy V */
        src = priv->locked_rect.pBits;
        src = src + priv->locked_rect.Pitch * priv->src_height
            + uv_stride * (priv->src_height / 2);

        memcpy_pic(image->planes[plane2], src, w, h, uv_stride,
                   image->stride[2]);
    } else {
        // packed YUV or RGB
        memcpy_pic(image->planes[0], priv->locked_rect.pBits, image->stride[0],
                   image->height, priv->locked_rect.Pitch, image->stride[0]);
    }

    d3d_unlock_video_objects(priv);
    return true;
}

static bool get_screenshot_from_texture(d3d_priv *priv, mp_image_t *image)
{
    if (!d3d_lock_video_textures(priv)) {
        d3d_unlock_video_objects(priv);
        return false;
    }

    assert(image->num_planes == priv->plane_count);

    for (int n = 0; n < priv->plane_count; n++) {
        struct texplane *plane = &priv->planes[n];

        int width = priv->src_width >> plane->shift_x;
        int height = priv->src_height >> plane->shift_y;

        memcpy_pic(image->planes[n], plane->locked_rect.pBits,
                   width * plane->bytes_per_pixel, height,
                   image->stride[n], plane->locked_rect.Pitch);
    }

    return true;
}

static mp_image_t *get_screenshot(d3d_priv *priv)
{
    if (!priv->d3d_device)
        return NULL;

    mp_image_t *image = alloc_mpi(priv->src_width, priv->src_height,
                                  priv->image_format);

    bool res;

    if (priv->use_textures)
        res = get_screenshot_from_texture(priv, image);
    else
        res = get_screenshot_from_surface(priv, image);

    if (!res) {
        free_mp_image(image);
        return NULL;
    }

    image->w = priv->src_d_width;
    image->h = priv->src_d_height;

    return image;
}

static mp_image_t *get_window_screenshot(d3d_priv *priv)
{
    D3DDISPLAYMODE mode;
    mp_image_t *image = NULL;
    RECT window_rc;
    RECT screen_rc;
    RECT visible;
    POINT pt;
    D3DLOCKED_RECT locked_rect;
    int width, height;

    if (FAILED(IDirect3DDevice9_GetDisplayMode(priv->d3d_device, 0, &mode))) {
        mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>GetDisplayMode failed.\n");
        goto error_exit;
    }

    IDirect3DSurface9 *surface = NULL;
    if (FAILED(IDirect3DDevice9_CreateOffscreenPlainSurface(priv->d3d_device,
        mode.Width, mode.Height, D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM, &surface,
        NULL)))
    {
        mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>Couldn't create surface.\n");
        goto error_exit;
    }

    if (FAILED(IDirect3DDevice9_GetFrontBufferData(priv->d3d_device, 0,
        surface)))
    {
        mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>Couldn't copy frontbuffer.\n");
        goto error_exit;
    }

    GetClientRect(vo_w32_window, &window_rc);
    pt = (POINT) { 0, 0 };
    ClientToScreen(vo_w32_window, &pt);
    window_rc.left = pt.x;
    window_rc.top = pt.y;
    window_rc.right += window_rc.left;
    window_rc.bottom += window_rc.top;

    screen_rc = (RECT) { 0, 0, mode.Width, mode.Height };

    if (!IntersectRect(&visible, &screen_rc, &window_rc))
        goto error_exit;
    width = visible.right - visible.left;
    height = visible.bottom - visible.top;
    if (width < 1 || height < 1)
        goto error_exit;

    image = alloc_mpi(width, height, IMGFMT_BGR32);

    IDirect3DSurface9_LockRect(surface, &locked_rect, NULL, 0);

    memcpy_pic(image->planes[0], (char*)locked_rect.pBits + visible.top *
               locked_rect.Pitch + visible.left * 4, width * 4, height,
               image->stride[0], locked_rect.Pitch);

    IDirect3DSurface9_UnlockRect(surface);
    IDirect3DSurface9_Release(surface);

    return image;

error_exit:
    if (image)
        free_mp_image(image);
    if (surface)
        IDirect3DSurface9_Release(surface);
    return NULL;
}

/** @brief Maps MPlayer alpha to D3D
 *         0x0 -> transparent and discarded by alpha test
 *         0x1 -> 0xFF to become opaque
 *         other alpha values are inverted +1 (2 = -2)
 *         These values are then inverted again with
           the texture filter D3DBLEND_INVSRCALPHA
 */
static void vo_draw_alpha_l8a8(int w, int h, unsigned char* src,
                               unsigned char *srca, int srcstride,
                               unsigned char* dstbase, int dststride)
{
    int y;
    for (y = 0; y < h; y++) {
        unsigned short *dst = (unsigned short*)dstbase;
        int x;
        for (x = 0; x < w; x++) {
            dst[x] = (-srca[x] << 8) | src[x];
        }
        src     += srcstride;
        srca    += srcstride;
        dstbase += dststride;
    }
}

struct draw_osd_closure {
    d3d_priv *priv;
    D3DLOCKED_RECT locked_rect;
};

/** @brief Callback function to render the OSD to the texture
 */
static void draw_alpha(void *pctx, int x0, int y0, int w, int h,
                       unsigned char *src, unsigned char *srca, int stride)
{
    struct draw_osd_closure *ctx = pctx;
    D3DLOCKED_RECT locked_rect = ctx->locked_rect;

    vo_draw_alpha_l8a8(w, h, src, srca, stride,
        (unsigned char *)locked_rect.pBits + locked_rect.Pitch * y0 + 2 * x0,
        locked_rect.Pitch);

    ctx->priv->is_osd_populated = 1;
}

/** @brief libvo Callback: Draw OSD/Subtitles,
 */
static void draw_osd(struct vo *vo, struct osd_state *osd)
{
    d3d_priv *priv = vo->priv;

    if (!priv->d3d_device)
        return;

    if (vo_osd_changed(0)) {
        struct draw_osd_closure ctx = { priv };

        /* clear the OSD */
        if (FAILED(IDirect3DTexture9_LockRect(priv->texture_osd.system, 0,
                                              &ctx.locked_rect, NULL, 0))) {
            mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>OSD texture lock failed.\n");
            return;
        }

        /* clear the whole texture to avoid issues due to interpolation */
        memset(ctx.locked_rect.pBits, 0,
               ctx.locked_rect.Pitch * priv->texture_osd.tex_h);

        priv->is_osd_populated = 0;
        /* required for if subs are in the boarder region */
        priv->is_clear_needed = 1;

        osd_draw_text_ext(osd, priv->texture_osd.w, priv->texture_osd.h,
                          priv->border_x, priv->border_y,
                          priv->border_x, priv->border_y,
                          priv->src_width, priv->src_height, draw_alpha, &ctx);

        if (FAILED(IDirect3DTexture9_UnlockRect(priv->texture_osd.system, 0))) {
            mp_msg(MSGT_VO,MSGL_ERR,
                   "<vo_direct3d>OSD texture unlock failed.\n");
            return;
        }

        d3dtex_update(priv, &priv->texture_osd);
    }

    if (priv->is_osd_populated) {
        float tw = (float)priv->texture_osd.w  / priv->texture_osd.tex_w;
        float th = (float)priv->texture_osd.h  / priv->texture_osd.tex_h;

        vertex_osd osd_quad_vb[] = {
            { 0,          0,           0.0f, 0,  0  },
            { vo->dwidth, 0,           0.0f, tw, 0  },
            { 0,          vo->dheight, 0.0f, 0,  th },
            { vo->dwidth, vo->dheight, 0.0f, tw, th }
        };

        d3d_begin_scene(priv);

        IDirect3DDevice9_SetRenderState(priv->d3d_device,
                                        D3DRS_ALPHABLENDENABLE, TRUE);
        IDirect3DDevice9_SetRenderState(priv->d3d_device,
                                        D3DRS_ALPHATESTENABLE, TRUE);

        IDirect3DDevice9_SetTexture(priv->d3d_device, 0,
                        d3dtex_get_render_texture(priv, &priv->texture_osd));

        IDirect3DDevice9_SetFVF(priv->d3d_device, D3DFVF_OSD_VERTEX);
        IDirect3DDevice9_DrawPrimitiveUP(priv->d3d_device, D3DPT_TRIANGLESTRIP,
                                         2, osd_quad_vb, sizeof(vertex_osd));

        IDirect3DDevice9_SetTexture(priv->d3d_device, 0, NULL);

        IDirect3DDevice9_SetRenderState(priv->d3d_device,
                                        D3DRS_ALPHATESTENABLE, FALSE);
        IDirect3DDevice9_SetRenderState(priv->d3d_device,
                                        D3DRS_ALPHABLENDENABLE, FALSE);
    }
}

static void d3d_realloc_eosd_texture(d3d_priv *priv)
{
    int new_w = priv->eosd->surface.w;
    int new_h = priv->eosd->surface.h;

    d3d_fix_texture_size(priv, &new_w, &new_h);

    if (new_w == priv->texture_eosd.tex_w && new_h == priv->texture_eosd.tex_h)
        return;

    mp_msg(MSGT_VO, MSGL_DBG2, "<vo_direct3d>reallocate EOSD surface.\n");

    // fortunately, we don't need to keep the old image data
    // we can always free it
    d3dtex_release(priv, &priv->texture_eosd);

    d3dtex_allocate(priv, &priv->texture_eosd, D3DFMT_A8, new_w, new_h);
}

static D3DCOLOR ass_to_d3d_color(uint32_t color)
{
    uint32_t r = (color >> 24) & 0xff;
    uint32_t g = (color >> 16) & 0xff;
    uint32_t b = (color >> 8) & 0xff;
    uint32_t a = 0xff - (color & 0xff);
    return D3DCOLOR_ARGB(a, r, g, b);
}

static void generate_eosd(d3d_priv *priv, mp_eosd_images_t *imgs)
{
    if (!priv->d3d_device)
        return;

    bool need_reposition, need_upload, need_resize;
    eosd_packer_generate(priv->eosd, imgs, &need_reposition, &need_upload,
                         &need_resize);

    if (!need_reposition)
        return;
    // even if the texture size is unchanged, the texture might have been free'd
    d3d_realloc_eosd_texture(priv);
    if (!priv->texture_eosd.system)
        return; // failed to allocate

    // reupload all EOSD images

    // we need 2 primitives per quad which makes 6 vertices (we could reduce the
    // number of vertices by using an indexed vertex array, but it's probably
    // not worth doing)
    priv->eosd_vb = talloc_realloc_size(priv->eosd, priv->eosd_vb,
                                        priv->eosd->targets_count
                                        * sizeof(vertex_eosd) * 6);

    if (need_upload) {
        struct eosd_rect rc;
        eosd_packer_calculate_source_bb(priv->eosd, &rc);
        RECT dirty_rc = { rc.x0, rc.y0, rc.x1, rc.y1 };

        D3DLOCKED_RECT locked_rect;

        if (FAILED(IDirect3DTexture9_LockRect(priv->texture_eosd.system, 0,
                                            &locked_rect, &dirty_rc, 0)))
        {
            mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>EOSD texture lock failed.\n");
            return;
        }

        //memset(locked_rect.pBits, 0, locked_rect.Pitch * priv->texture_eosd.tex_h);

        for (int i = 0; i < priv->eosd->targets_count; i++) {
            struct eosd_target *target = &priv->eosd->targets[i];
            ASS_Image *img = target->ass_img;
            char *src = img->bitmap;
            char *dst = (char*)locked_rect.pBits + target->source.x0
                        + locked_rect.Pitch * target->source.y0;
            for (int y = 0; y < img->h; y++) {
                memcpy(dst, src, img->w);
                src += img->stride;
                dst += locked_rect.Pitch;
            }
        }

        if (FAILED(IDirect3DTexture9_UnlockRect(priv->texture_eosd.system, 0))) {
            mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>EOSD texture unlock failed.\n");
            return;
        }

        d3dtex_update(priv, &priv->texture_eosd);
    }

    float eosd_w = priv->texture_eosd.tex_w;
    float eosd_h = priv->texture_eosd.tex_h;

    for (int i = 0; i < priv->eosd->targets_count; i++) {
        struct eosd_target *target = &priv->eosd->targets[i];

        D3DCOLOR color = ass_to_d3d_color(target->ass_img->color);

        float x0 = target->dest.x0;
        float y0 = target->dest.y0;
        float x1 = target->dest.x1;
        float y1 = target->dest.y1;
        float tx0 = target->source.x0 / eosd_w;
        float ty0 = target->source.y0 / eosd_h;
        float tx1 = target->source.x1 / eosd_w;
        float ty1 = target->source.y1 / eosd_h;

        vertex_eosd *v = &priv->eosd_vb[i*6];
        v[0] = (vertex_eosd) { x0, y0, 0, color, tx0, ty0 };
        v[1] = (vertex_eosd) { x1, y0, 0, color, tx1, ty0 };
        v[2] = (vertex_eosd) { x0, y1, 0, color, tx0, ty1 };
        v[3] = (vertex_eosd) { x1, y1, 0, color, tx1, ty1 };
        v[4] = v[2];
        v[5] = v[1];
    }
}

static void draw_eosd(d3d_priv *priv)
{
    if (!priv->d3d_device)
        return;

    if (!priv->eosd->targets_count)
        return;

    d3d_begin_scene(priv);

    IDirect3DDevice9_SetRenderState(priv->d3d_device,
                                    D3DRS_ALPHABLENDENABLE, TRUE);

    IDirect3DDevice9_SetTexture(priv->d3d_device, 0,
                        d3dtex_get_render_texture(priv, &priv->texture_eosd));

    // do not use the color value from the A8 texture, because that is black
    IDirect3DDevice9_SetRenderState(priv->d3d_device,D3DRS_TEXTUREFACTOR,
                                    0xFFFFFFFF);
    IDirect3DDevice9_SetTextureStageState(priv->d3d_device,0,
                                          D3DTSS_COLORARG1, D3DTA_TFACTOR);

    IDirect3DDevice9_SetTextureStageState(priv->d3d_device, 0,
                                          D3DTSS_ALPHAOP, D3DTOP_MODULATE);

    IDirect3DDevice9_SetFVF(priv->d3d_device, D3DFVF_EOSD_VERTEX);
    IDirect3DDevice9_DrawPrimitiveUP(priv->d3d_device, D3DPT_TRIANGLELIST,
                                     priv->eosd->targets_count * 2,
                                     priv->eosd_vb, sizeof(vertex_eosd));

    IDirect3DDevice9_SetTextureStageState(priv->d3d_device,0,
                                          D3DTSS_COLORARG1, D3DTA_TEXTURE);
    IDirect3DDevice9_SetTextureStageState(priv->d3d_device, 0,
                                          D3DTSS_ALPHAOP, D3DTOP_SELECTARG1);

    IDirect3DDevice9_SetTexture(priv->d3d_device, 0, NULL);

    IDirect3DDevice9_SetRenderState(priv->d3d_device,
                                    D3DRS_ALPHABLENDENABLE, FALSE);
}

#define AUTHOR "Georgi Petrov (gogothebee) <gogothebee@gmail.com> and others"

const struct vo_driver video_out_direct3d = {
    .is_new = true,
    .info = &(const vo_info_t) {
        "Direct3D 9 Renderer",
        "direct3d",
        AUTHOR,
        ""
    },
    .preinit = preinit_standard,
    .config = config,
    .control = control,
    .draw_slice = draw_slice,
    .draw_osd = draw_osd,
    .flip_page = flip_page,
    .check_events = check_events,
    .uninit = uninit,
};

const struct vo_driver video_out_direct3d_shaders = {
    .is_new = true,
    .info = &(const vo_info_t) {
        "Direct3D 9 Renderer (using shaders for YUV conversion)",
        "direct3d_shaders",
        AUTHOR,
        ""
    },
    .preinit = preinit_shaders,
    .config = config,
    .control = control,
    .draw_slice = draw_slice,
    .draw_osd = draw_osd,
    .flip_page = flip_page,
    .check_events = check_events,
    .uninit = uninit,
};