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
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
#![doc = r" Automatically generated code; do not edit!"]
#![allow(non_upper_case_globals)]
use crate::platform::*;
use crate::support::*;
use crate::*;
use libc::timespec;
use std::fmt;
use std::mem::MaybeUninit;
use std::os::raw::{c_char, c_void};
pub const CURRENT_API_VERSION: Version = Version::new(1u16, 0u16, 0u32);
pub const MAX_EXTENSION_NAME_SIZE: usize = 128usize;
pub const MAX_API_LAYER_NAME_SIZE: usize = 256usize;
pub const MAX_API_LAYER_DESCRIPTION_SIZE: usize = 256usize;
pub const MAX_SYSTEM_NAME_SIZE: usize = 256usize;
pub const MAX_APPLICATION_NAME_SIZE: usize = 128usize;
pub const MAX_ENGINE_NAME_SIZE: usize = 128usize;
pub const MAX_RUNTIME_NAME_SIZE: usize = 128usize;
pub const MAX_PATH_LENGTH: usize = 256usize;
pub const MAX_STRUCTURE_NAME_SIZE: usize = 64usize;
pub const MAX_RESULT_STRING_SIZE: usize = 64usize;
pub const MAX_GRAPHICS_APIS_SUPPORTED: usize = 32usize;
pub const MAX_ACTION_SET_NAME_SIZE: usize = 64usize;
pub const MAX_ACTION_NAME_SIZE: usize = 64usize;
pub const MAX_LOCALIZED_ACTION_SET_NAME_SIZE: usize = 128usize;
pub const MAX_LOCALIZED_ACTION_NAME_SIZE: usize = 128usize;
pub const MIN_COMPOSITION_LAYERS_SUPPORTED: usize = 16usize;
#[doc = "Structure type enumerant"]
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct StructureType(i32);
impl StructureType {
    pub const UNKNOWN: StructureType = StructureType(0i32);
    pub const API_LAYER_PROPERTIES: StructureType = StructureType(1i32);
    pub const EXTENSION_PROPERTIES: StructureType = StructureType(2i32);
    pub const INSTANCE_CREATE_INFO: StructureType = StructureType(3i32);
    pub const SYSTEM_GET_INFO: StructureType = StructureType(4i32);
    pub const SYSTEM_PROPERTIES: StructureType = StructureType(5i32);
    pub const VIEW_LOCATE_INFO: StructureType = StructureType(6i32);
    pub const VIEW: StructureType = StructureType(7i32);
    pub const SESSION_CREATE_INFO: StructureType = StructureType(8i32);
    pub const SWAPCHAIN_CREATE_INFO: StructureType = StructureType(9i32);
    pub const SESSION_BEGIN_INFO: StructureType = StructureType(10i32);
    pub const VIEW_STATE: StructureType = StructureType(11i32);
    pub const FRAME_END_INFO: StructureType = StructureType(12i32);
    pub const HAPTIC_VIBRATION: StructureType = StructureType(13i32);
    pub const EVENT_DATA_BUFFER: StructureType = StructureType(16i32);
    pub const EVENT_DATA_INSTANCE_LOSS_PENDING: StructureType = StructureType(17i32);
    pub const EVENT_DATA_SESSION_STATE_CHANGED: StructureType = StructureType(18i32);
    pub const ACTION_STATE_BOOLEAN: StructureType = StructureType(23i32);
    pub const ACTION_STATE_FLOAT: StructureType = StructureType(24i32);
    pub const ACTION_STATE_VECTOR2F: StructureType = StructureType(25i32);
    pub const ACTION_STATE_POSE: StructureType = StructureType(27i32);
    pub const ACTION_SET_CREATE_INFO: StructureType = StructureType(28i32);
    pub const ACTION_CREATE_INFO: StructureType = StructureType(29i32);
    pub const INSTANCE_PROPERTIES: StructureType = StructureType(32i32);
    pub const FRAME_WAIT_INFO: StructureType = StructureType(33i32);
    pub const COMPOSITION_LAYER_PROJECTION: StructureType = StructureType(35i32);
    pub const COMPOSITION_LAYER_QUAD: StructureType = StructureType(36i32);
    pub const REFERENCE_SPACE_CREATE_INFO: StructureType = StructureType(37i32);
    pub const ACTION_SPACE_CREATE_INFO: StructureType = StructureType(38i32);
    pub const EVENT_DATA_REFERENCE_SPACE_CHANGE_PENDING: StructureType = StructureType(40i32);
    pub const VIEW_CONFIGURATION_VIEW: StructureType = StructureType(41i32);
    pub const SPACE_LOCATION: StructureType = StructureType(42i32);
    pub const SPACE_VELOCITY: StructureType = StructureType(43i32);
    pub const FRAME_STATE: StructureType = StructureType(44i32);
    pub const VIEW_CONFIGURATION_PROPERTIES: StructureType = StructureType(45i32);
    pub const FRAME_BEGIN_INFO: StructureType = StructureType(46i32);
    pub const COMPOSITION_LAYER_PROJECTION_VIEW: StructureType = StructureType(48i32);
    pub const EVENT_DATA_EVENTS_LOST: StructureType = StructureType(49i32);
    pub const INTERACTION_PROFILE_SUGGESTED_BINDING: StructureType = StructureType(51i32);
    pub const EVENT_DATA_INTERACTION_PROFILE_CHANGED: StructureType = StructureType(52i32);
    pub const INTERACTION_PROFILE_STATE: StructureType = StructureType(53i32);
    pub const SWAPCHAIN_IMAGE_ACQUIRE_INFO: StructureType = StructureType(55i32);
    pub const SWAPCHAIN_IMAGE_WAIT_INFO: StructureType = StructureType(56i32);
    pub const SWAPCHAIN_IMAGE_RELEASE_INFO: StructureType = StructureType(57i32);
    pub const ACTION_STATE_GET_INFO: StructureType = StructureType(58i32);
    pub const HAPTIC_ACTION_INFO: StructureType = StructureType(59i32);
    pub const SESSION_ACTION_SETS_ATTACH_INFO: StructureType = StructureType(60i32);
    pub const ACTIONS_SYNC_INFO: StructureType = StructureType(61i32);
    pub const BOUND_SOURCES_FOR_ACTION_ENUMERATE_INFO: StructureType = StructureType(62i32);
    pub const INPUT_SOURCE_LOCALIZED_NAME_GET_INFO: StructureType = StructureType(63i32);
    pub const COMPOSITION_LAYER_CUBE_KHR: StructureType = StructureType(1000006000i32);
    pub const INSTANCE_CREATE_INFO_ANDROID_KHR: StructureType = StructureType(1000008000i32);
    pub const COMPOSITION_LAYER_DEPTH_INFO_KHR: StructureType = StructureType(1000010000i32);
    pub const VULKAN_SWAPCHAIN_FORMAT_LIST_CREATE_INFO_KHR: StructureType =
        StructureType(1000014000i32);
    pub const EVENT_DATA_PERF_SETTINGS_EXT: StructureType = StructureType(1000015000i32);
    pub const COMPOSITION_LAYER_CYLINDER_KHR: StructureType = StructureType(1000017000i32);
    pub const COMPOSITION_LAYER_EQUIRECT_KHR: StructureType = StructureType(1000018000i32);
    pub const DEBUG_UTILS_OBJECT_NAME_INFO_EXT: StructureType = StructureType(1000019000i32);
    pub const DEBUG_UTILS_MESSENGER_CALLBACK_DATA_EXT: StructureType = StructureType(1000019001i32);
    pub const DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT: StructureType = StructureType(1000019002i32);
    pub const DEBUG_UTILS_LABEL_EXT: StructureType = StructureType(1000019003i32);
    pub const GRAPHICS_BINDING_OPENGL_WIN32_KHR: StructureType = StructureType(1000023000i32);
    pub const GRAPHICS_BINDING_OPENGL_XLIB_KHR: StructureType = StructureType(1000023001i32);
    pub const GRAPHICS_BINDING_OPENGL_XCB_KHR: StructureType = StructureType(1000023002i32);
    pub const GRAPHICS_BINDING_OPENGL_WAYLAND_KHR: StructureType = StructureType(1000023003i32);
    pub const SWAPCHAIN_IMAGE_OPENGL_KHR: StructureType = StructureType(1000023004i32);
    pub const GRAPHICS_REQUIREMENTS_OPENGL_KHR: StructureType = StructureType(1000023005i32);
    pub const GRAPHICS_BINDING_OPENGL_ES_ANDROID_KHR: StructureType = StructureType(1000024001i32);
    pub const SWAPCHAIN_IMAGE_OPENGL_ES_KHR: StructureType = StructureType(1000024002i32);
    pub const GRAPHICS_REQUIREMENTS_OPENGL_ES_KHR: StructureType = StructureType(1000024003i32);
    pub const GRAPHICS_BINDING_VULKAN_KHR: StructureType = StructureType(1000025000i32);
    pub const SWAPCHAIN_IMAGE_VULKAN_KHR: StructureType = StructureType(1000025001i32);
    pub const GRAPHICS_REQUIREMENTS_VULKAN_KHR: StructureType = StructureType(1000025002i32);
    pub const GRAPHICS_BINDING_D3D11_KHR: StructureType = StructureType(1000027000i32);
    pub const SWAPCHAIN_IMAGE_D3D11_KHR: StructureType = StructureType(1000027001i32);
    pub const GRAPHICS_REQUIREMENTS_D3D11_KHR: StructureType = StructureType(1000027002i32);
    pub const GRAPHICS_BINDING_D3D12_KHR: StructureType = StructureType(1000028000i32);
    pub const SWAPCHAIN_IMAGE_D3D12_KHR: StructureType = StructureType(1000028001i32);
    pub const GRAPHICS_REQUIREMENTS_D3D12_KHR: StructureType = StructureType(1000028002i32);
    pub const VISIBILITY_MASK_KHR: StructureType = StructureType(1000031000i32);
    pub const EVENT_DATA_VISIBILITY_MASK_CHANGED_KHR: StructureType = StructureType(1000031001i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for StructureType {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::UNKNOWN => Some("UNKNOWN"),
            Self::API_LAYER_PROPERTIES => Some("API_LAYER_PROPERTIES"),
            Self::EXTENSION_PROPERTIES => Some("EXTENSION_PROPERTIES"),
            Self::INSTANCE_CREATE_INFO => Some("INSTANCE_CREATE_INFO"),
            Self::SYSTEM_GET_INFO => Some("SYSTEM_GET_INFO"),
            Self::SYSTEM_PROPERTIES => Some("SYSTEM_PROPERTIES"),
            Self::VIEW_LOCATE_INFO => Some("VIEW_LOCATE_INFO"),
            Self::VIEW => Some("VIEW"),
            Self::SESSION_CREATE_INFO => Some("SESSION_CREATE_INFO"),
            Self::SWAPCHAIN_CREATE_INFO => Some("SWAPCHAIN_CREATE_INFO"),
            Self::SESSION_BEGIN_INFO => Some("SESSION_BEGIN_INFO"),
            Self::VIEW_STATE => Some("VIEW_STATE"),
            Self::FRAME_END_INFO => Some("FRAME_END_INFO"),
            Self::HAPTIC_VIBRATION => Some("HAPTIC_VIBRATION"),
            Self::EVENT_DATA_BUFFER => Some("EVENT_DATA_BUFFER"),
            Self::EVENT_DATA_INSTANCE_LOSS_PENDING => Some("EVENT_DATA_INSTANCE_LOSS_PENDING"),
            Self::EVENT_DATA_SESSION_STATE_CHANGED => Some("EVENT_DATA_SESSION_STATE_CHANGED"),
            Self::ACTION_STATE_BOOLEAN => Some("ACTION_STATE_BOOLEAN"),
            Self::ACTION_STATE_FLOAT => Some("ACTION_STATE_FLOAT"),
            Self::ACTION_STATE_VECTOR2F => Some("ACTION_STATE_VECTOR2F"),
            Self::ACTION_STATE_POSE => Some("ACTION_STATE_POSE"),
            Self::ACTION_SET_CREATE_INFO => Some("ACTION_SET_CREATE_INFO"),
            Self::ACTION_CREATE_INFO => Some("ACTION_CREATE_INFO"),
            Self::INSTANCE_PROPERTIES => Some("INSTANCE_PROPERTIES"),
            Self::FRAME_WAIT_INFO => Some("FRAME_WAIT_INFO"),
            Self::COMPOSITION_LAYER_PROJECTION => Some("COMPOSITION_LAYER_PROJECTION"),
            Self::COMPOSITION_LAYER_QUAD => Some("COMPOSITION_LAYER_QUAD"),
            Self::REFERENCE_SPACE_CREATE_INFO => Some("REFERENCE_SPACE_CREATE_INFO"),
            Self::ACTION_SPACE_CREATE_INFO => Some("ACTION_SPACE_CREATE_INFO"),
            Self::EVENT_DATA_REFERENCE_SPACE_CHANGE_PENDING => {
                Some("EVENT_DATA_REFERENCE_SPACE_CHANGE_PENDING")
            }
            Self::VIEW_CONFIGURATION_VIEW => Some("VIEW_CONFIGURATION_VIEW"),
            Self::SPACE_LOCATION => Some("SPACE_LOCATION"),
            Self::SPACE_VELOCITY => Some("SPACE_VELOCITY"),
            Self::FRAME_STATE => Some("FRAME_STATE"),
            Self::VIEW_CONFIGURATION_PROPERTIES => Some("VIEW_CONFIGURATION_PROPERTIES"),
            Self::FRAME_BEGIN_INFO => Some("FRAME_BEGIN_INFO"),
            Self::COMPOSITION_LAYER_PROJECTION_VIEW => Some("COMPOSITION_LAYER_PROJECTION_VIEW"),
            Self::EVENT_DATA_EVENTS_LOST => Some("EVENT_DATA_EVENTS_LOST"),
            Self::INTERACTION_PROFILE_SUGGESTED_BINDING => {
                Some("INTERACTION_PROFILE_SUGGESTED_BINDING")
            }
            Self::EVENT_DATA_INTERACTION_PROFILE_CHANGED => {
                Some("EVENT_DATA_INTERACTION_PROFILE_CHANGED")
            }
            Self::INTERACTION_PROFILE_STATE => Some("INTERACTION_PROFILE_STATE"),
            Self::SWAPCHAIN_IMAGE_ACQUIRE_INFO => Some("SWAPCHAIN_IMAGE_ACQUIRE_INFO"),
            Self::SWAPCHAIN_IMAGE_WAIT_INFO => Some("SWAPCHAIN_IMAGE_WAIT_INFO"),
            Self::SWAPCHAIN_IMAGE_RELEASE_INFO => Some("SWAPCHAIN_IMAGE_RELEASE_INFO"),
            Self::ACTION_STATE_GET_INFO => Some("ACTION_STATE_GET_INFO"),
            Self::HAPTIC_ACTION_INFO => Some("HAPTIC_ACTION_INFO"),
            Self::SESSION_ACTION_SETS_ATTACH_INFO => Some("SESSION_ACTION_SETS_ATTACH_INFO"),
            Self::ACTIONS_SYNC_INFO => Some("ACTIONS_SYNC_INFO"),
            Self::BOUND_SOURCES_FOR_ACTION_ENUMERATE_INFO => {
                Some("BOUND_SOURCES_FOR_ACTION_ENUMERATE_INFO")
            }
            Self::INPUT_SOURCE_LOCALIZED_NAME_GET_INFO => {
                Some("INPUT_SOURCE_LOCALIZED_NAME_GET_INFO")
            }
            Self::COMPOSITION_LAYER_CUBE_KHR => Some("COMPOSITION_LAYER_CUBE_KHR"),
            Self::INSTANCE_CREATE_INFO_ANDROID_KHR => Some("INSTANCE_CREATE_INFO_ANDROID_KHR"),
            Self::COMPOSITION_LAYER_DEPTH_INFO_KHR => Some("COMPOSITION_LAYER_DEPTH_INFO_KHR"),
            Self::VULKAN_SWAPCHAIN_FORMAT_LIST_CREATE_INFO_KHR => {
                Some("VULKAN_SWAPCHAIN_FORMAT_LIST_CREATE_INFO_KHR")
            }
            Self::EVENT_DATA_PERF_SETTINGS_EXT => Some("EVENT_DATA_PERF_SETTINGS_EXT"),
            Self::COMPOSITION_LAYER_CYLINDER_KHR => Some("COMPOSITION_LAYER_CYLINDER_KHR"),
            Self::COMPOSITION_LAYER_EQUIRECT_KHR => Some("COMPOSITION_LAYER_EQUIRECT_KHR"),
            Self::DEBUG_UTILS_OBJECT_NAME_INFO_EXT => Some("DEBUG_UTILS_OBJECT_NAME_INFO_EXT"),
            Self::DEBUG_UTILS_MESSENGER_CALLBACK_DATA_EXT => {
                Some("DEBUG_UTILS_MESSENGER_CALLBACK_DATA_EXT")
            }
            Self::DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT => {
                Some("DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT")
            }
            Self::DEBUG_UTILS_LABEL_EXT => Some("DEBUG_UTILS_LABEL_EXT"),
            Self::GRAPHICS_BINDING_OPENGL_WIN32_KHR => Some("GRAPHICS_BINDING_OPENGL_WIN32_KHR"),
            Self::GRAPHICS_BINDING_OPENGL_XLIB_KHR => Some("GRAPHICS_BINDING_OPENGL_XLIB_KHR"),
            Self::GRAPHICS_BINDING_OPENGL_XCB_KHR => Some("GRAPHICS_BINDING_OPENGL_XCB_KHR"),
            Self::GRAPHICS_BINDING_OPENGL_WAYLAND_KHR => {
                Some("GRAPHICS_BINDING_OPENGL_WAYLAND_KHR")
            }
            Self::SWAPCHAIN_IMAGE_OPENGL_KHR => Some("SWAPCHAIN_IMAGE_OPENGL_KHR"),
            Self::GRAPHICS_REQUIREMENTS_OPENGL_KHR => Some("GRAPHICS_REQUIREMENTS_OPENGL_KHR"),
            Self::GRAPHICS_BINDING_OPENGL_ES_ANDROID_KHR => {
                Some("GRAPHICS_BINDING_OPENGL_ES_ANDROID_KHR")
            }
            Self::SWAPCHAIN_IMAGE_OPENGL_ES_KHR => Some("SWAPCHAIN_IMAGE_OPENGL_ES_KHR"),
            Self::GRAPHICS_REQUIREMENTS_OPENGL_ES_KHR => {
                Some("GRAPHICS_REQUIREMENTS_OPENGL_ES_KHR")
            }
            Self::GRAPHICS_BINDING_VULKAN_KHR => Some("GRAPHICS_BINDING_VULKAN_KHR"),
            Self::SWAPCHAIN_IMAGE_VULKAN_KHR => Some("SWAPCHAIN_IMAGE_VULKAN_KHR"),
            Self::GRAPHICS_REQUIREMENTS_VULKAN_KHR => Some("GRAPHICS_REQUIREMENTS_VULKAN_KHR"),
            Self::GRAPHICS_BINDING_D3D11_KHR => Some("GRAPHICS_BINDING_D3D11_KHR"),
            Self::SWAPCHAIN_IMAGE_D3D11_KHR => Some("SWAPCHAIN_IMAGE_D3D11_KHR"),
            Self::GRAPHICS_REQUIREMENTS_D3D11_KHR => Some("GRAPHICS_REQUIREMENTS_D3D11_KHR"),
            Self::GRAPHICS_BINDING_D3D12_KHR => Some("GRAPHICS_BINDING_D3D12_KHR"),
            Self::SWAPCHAIN_IMAGE_D3D12_KHR => Some("SWAPCHAIN_IMAGE_D3D12_KHR"),
            Self::GRAPHICS_REQUIREMENTS_D3D12_KHR => Some("GRAPHICS_REQUIREMENTS_D3D12_KHR"),
            Self::VISIBILITY_MASK_KHR => Some("VISIBILITY_MASK_KHR"),
            Self::EVENT_DATA_VISIBILITY_MASK_CHANGED_KHR => {
                Some("EVENT_DATA_VISIBILITY_MASK_CHANGED_KHR")
            }
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[doc = "Error and return codes"]
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct Result(i32);
impl Result {
    #[doc = "Function successfully completed."]
    pub const SUCCESS: Result = Result(0i32);
    #[doc = "The specified timeout time occurred before the operation could complete."]
    pub const TIMEOUT_EXPIRED: Result = Result(1i32);
    #[doc = "The session will be lost soon."]
    pub const SESSION_LOSS_PENDING: Result = Result(3i32);
    #[doc = "No event was available."]
    pub const EVENT_UNAVAILABLE: Result = Result(4i32);
    #[doc = "The space\'s bounds are not known at the moment."]
    pub const SPACE_BOUNDS_UNAVAILABLE: Result = Result(7i32);
    #[doc = "The session is not in the focused state."]
    pub const SESSION_NOT_FOCUSED: Result = Result(8i32);
    #[doc = "A frame has been discarded from composition."]
    pub const FRAME_DISCARDED: Result = Result(9i32);
    #[doc = "The function usage was invalid in some way."]
    pub const ERROR_VALIDATION_FAILURE: Result = Result(-1i32);
    #[doc = "The runtime failed to handle the function in an unexpected way that is not covered by another error result. "]
    pub const ERROR_RUNTIME_FAILURE: Result = Result(-2i32);
    #[doc = "A memory allocation has failed."]
    pub const ERROR_OUT_OF_MEMORY: Result = Result(-3i32);
    #[doc = "The runtime does not support the requested API version."]
    pub const ERROR_API_VERSION_UNSUPPORTED: Result = Result(-4i32);
    #[doc = "Initialization of object could not be completed."]
    pub const ERROR_INITIALIZATION_FAILED: Result = Result(-6i32);
    #[doc = "The requested function was not found or is otherwise unsupported."]
    pub const ERROR_FUNCTION_UNSUPPORTED: Result = Result(-7i32);
    #[doc = "The requested feature is not supported."]
    pub const ERROR_FEATURE_UNSUPPORTED: Result = Result(-8i32);
    #[doc = "A requested extension is not supported."]
    pub const ERROR_EXTENSION_NOT_PRESENT: Result = Result(-9i32);
    #[doc = "The runtime supports no more of the requested resource."]
    pub const ERROR_LIMIT_REACHED: Result = Result(-10i32);
    #[doc = "The supplied size was smaller than required."]
    pub const ERROR_SIZE_INSUFFICIENT: Result = Result(-11i32);
    #[doc = "A supplied object handle was invalid."]
    pub const ERROR_HANDLE_INVALID: Result = Result(-12i32);
    #[doc = "The slink:XrInstance was lost or could not be found. It will need to be destroyed and optionally recreated."]
    pub const ERROR_INSTANCE_LOST: Result = Result(-13i32);
    #[doc = "The session <<session_running, is already running>>."]
    pub const ERROR_SESSION_RUNNING: Result = Result(-14i32);
    #[doc = "The session <<session_not_running, is not yet running>>."]
    pub const ERROR_SESSION_NOT_RUNNING: Result = Result(-16i32);
    #[doc = "The slink:XrSession was lost. It will need to be destroyed and optionally recreated."]
    pub const ERROR_SESSION_LOST: Result = Result(-17i32);
    #[doc = "The provided basetype:XrSystemId was invalid."]
    pub const ERROR_SYSTEM_INVALID: Result = Result(-18i32);
    #[doc = "The provided basetype:XrPath was not valid."]
    pub const ERROR_PATH_INVALID: Result = Result(-19i32);
    #[doc = "The maximum number of supported semantic paths has been reached."]
    pub const ERROR_PATH_COUNT_EXCEEDED: Result = Result(-20i32);
    #[doc = "The semantic path character format is invalid."]
    pub const ERROR_PATH_FORMAT_INVALID: Result = Result(-21i32);
    #[doc = "The semantic path is unsupported."]
    pub const ERROR_PATH_UNSUPPORTED: Result = Result(-22i32);
    #[doc = "The layer was NULL or otherwise invalid."]
    pub const ERROR_LAYER_INVALID: Result = Result(-23i32);
    #[doc = "The number of specified layers is greater than the supported number."]
    pub const ERROR_LAYER_LIMIT_EXCEEDED: Result = Result(-24i32);
    #[doc = "The image rect was negatively sized or otherwise invalid."]
    pub const ERROR_SWAPCHAIN_RECT_INVALID: Result = Result(-25i32);
    #[doc = "The image format is not supported by the runtime or platform."]
    pub const ERROR_SWAPCHAIN_FORMAT_UNSUPPORTED: Result = Result(-26i32);
    #[doc = "The API used to retrieve an action\'s state does not match the action\'s type."]
    pub const ERROR_ACTION_TYPE_MISMATCH: Result = Result(-27i32);
    #[doc = "The session is not in the ready state."]
    pub const ERROR_SESSION_NOT_READY: Result = Result(-28i32);
    #[doc = "The session is not in the stopping state."]
    pub const ERROR_SESSION_NOT_STOPPING: Result = Result(-29i32);
    #[doc = "The provided XrTime was zero, negative, or out of range."]
    pub const ERROR_TIME_INVALID: Result = Result(-30i32);
    #[doc = "The specified reference space is not supported by the runtime or system."]
    pub const ERROR_REFERENCE_SPACE_UNSUPPORTED: Result = Result(-31i32);
    #[doc = "The file could not be accessed."]
    pub const ERROR_FILE_ACCESS_ERROR: Result = Result(-32i32);
    #[doc = "The file\'s contents were invalid."]
    pub const ERROR_FILE_CONTENTS_INVALID: Result = Result(-33i32);
    #[doc = "The specified form factor is not supported by the current runtime or platform."]
    pub const ERROR_FORM_FACTOR_UNSUPPORTED: Result = Result(-34i32);
    #[doc = "The specified form factor is supported, but the device is currently not available, e.g. not plugged in or powered off."]
    pub const ERROR_FORM_FACTOR_UNAVAILABLE: Result = Result(-35i32);
    #[doc = "A requested API layer is not present or could not be loaded."]
    pub const ERROR_API_LAYER_NOT_PRESENT: Result = Result(-36i32);
    #[doc = "The call was made without having made a previously required call."]
    pub const ERROR_CALL_ORDER_INVALID: Result = Result(-37i32);
    #[doc = "The given graphics device is not in a valid state. The graphics device could be lost or initialized without meeting graphics requirements."]
    pub const ERROR_GRAPHICS_DEVICE_INVALID: Result = Result(-38i32);
    #[doc = "The supplied pose was invalid with respect to the requirements."]
    pub const ERROR_POSE_INVALID: Result = Result(-39i32);
    #[doc = "The supplied index was outside the range of valid indices."]
    pub const ERROR_INDEX_OUT_OF_RANGE: Result = Result(-40i32);
    #[doc = "The specified view configuration type is not supported by the runtime or platform."]
    pub const ERROR_VIEW_CONFIGURATION_TYPE_UNSUPPORTED: Result = Result(-41i32);
    #[doc = "The specified environment blend mode is not supported by the runtime or platform."]
    pub const ERROR_ENVIRONMENT_BLEND_MODE_UNSUPPORTED: Result = Result(-42i32);
    #[doc = "The name provided was a duplicate of an already-existing resource."]
    pub const ERROR_NAME_DUPLICATED: Result = Result(-44i32);
    #[doc = "The name provided was invalid."]
    pub const ERROR_NAME_INVALID: Result = Result(-45i32);
    #[doc = "A referenced action set is not attached to the session."]
    pub const ERROR_ACTIONSET_NOT_ATTACHED: Result = Result(-46i32);
    #[doc = "The session already has attached action sets."]
    pub const ERROR_ACTIONSETS_ALREADY_ATTACHED: Result = Result(-47i32);
    #[doc = "The localized name provided was a duplicate of an already-existing resource."]
    pub const ERROR_LOCALIZED_NAME_DUPLICATED: Result = Result(-48i32);
    #[doc = "The localized name provided was invalid."]
    pub const ERROR_LOCALIZED_NAME_INVALID: Result = Result(-49i32);
    #[doc = "xrSetAndroidApplicationThreadKHR failed as thread id is invalid."]
    pub const ERROR_ANDROID_THREAD_SETTINGS_ID_INVALID_KHR: Result = Result(-1000003000i32);
    #[doc = "xrSetAndroidApplicationThreadKHR failed setting the thread attributes/priority."]
    pub const ERROR_ANDROID_THREAD_SETTINGS_FAILURE_KHR: Result = Result(-1000003001i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for Result {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::SUCCESS => Some("SUCCESS"),
            Self::TIMEOUT_EXPIRED => Some("TIMEOUT_EXPIRED"),
            Self::SESSION_LOSS_PENDING => Some("SESSION_LOSS_PENDING"),
            Self::EVENT_UNAVAILABLE => Some("EVENT_UNAVAILABLE"),
            Self::SPACE_BOUNDS_UNAVAILABLE => Some("SPACE_BOUNDS_UNAVAILABLE"),
            Self::SESSION_NOT_FOCUSED => Some("SESSION_NOT_FOCUSED"),
            Self::FRAME_DISCARDED => Some("FRAME_DISCARDED"),
            Self::ERROR_VALIDATION_FAILURE => Some("ERROR_VALIDATION_FAILURE"),
            Self::ERROR_RUNTIME_FAILURE => Some("ERROR_RUNTIME_FAILURE"),
            Self::ERROR_OUT_OF_MEMORY => Some("ERROR_OUT_OF_MEMORY"),
            Self::ERROR_API_VERSION_UNSUPPORTED => Some("ERROR_API_VERSION_UNSUPPORTED"),
            Self::ERROR_INITIALIZATION_FAILED => Some("ERROR_INITIALIZATION_FAILED"),
            Self::ERROR_FUNCTION_UNSUPPORTED => Some("ERROR_FUNCTION_UNSUPPORTED"),
            Self::ERROR_FEATURE_UNSUPPORTED => Some("ERROR_FEATURE_UNSUPPORTED"),
            Self::ERROR_EXTENSION_NOT_PRESENT => Some("ERROR_EXTENSION_NOT_PRESENT"),
            Self::ERROR_LIMIT_REACHED => Some("ERROR_LIMIT_REACHED"),
            Self::ERROR_SIZE_INSUFFICIENT => Some("ERROR_SIZE_INSUFFICIENT"),
            Self::ERROR_HANDLE_INVALID => Some("ERROR_HANDLE_INVALID"),
            Self::ERROR_INSTANCE_LOST => Some("ERROR_INSTANCE_LOST"),
            Self::ERROR_SESSION_RUNNING => Some("ERROR_SESSION_RUNNING"),
            Self::ERROR_SESSION_NOT_RUNNING => Some("ERROR_SESSION_NOT_RUNNING"),
            Self::ERROR_SESSION_LOST => Some("ERROR_SESSION_LOST"),
            Self::ERROR_SYSTEM_INVALID => Some("ERROR_SYSTEM_INVALID"),
            Self::ERROR_PATH_INVALID => Some("ERROR_PATH_INVALID"),
            Self::ERROR_PATH_COUNT_EXCEEDED => Some("ERROR_PATH_COUNT_EXCEEDED"),
            Self::ERROR_PATH_FORMAT_INVALID => Some("ERROR_PATH_FORMAT_INVALID"),
            Self::ERROR_PATH_UNSUPPORTED => Some("ERROR_PATH_UNSUPPORTED"),
            Self::ERROR_LAYER_INVALID => Some("ERROR_LAYER_INVALID"),
            Self::ERROR_LAYER_LIMIT_EXCEEDED => Some("ERROR_LAYER_LIMIT_EXCEEDED"),
            Self::ERROR_SWAPCHAIN_RECT_INVALID => Some("ERROR_SWAPCHAIN_RECT_INVALID"),
            Self::ERROR_SWAPCHAIN_FORMAT_UNSUPPORTED => Some("ERROR_SWAPCHAIN_FORMAT_UNSUPPORTED"),
            Self::ERROR_ACTION_TYPE_MISMATCH => Some("ERROR_ACTION_TYPE_MISMATCH"),
            Self::ERROR_SESSION_NOT_READY => Some("ERROR_SESSION_NOT_READY"),
            Self::ERROR_SESSION_NOT_STOPPING => Some("ERROR_SESSION_NOT_STOPPING"),
            Self::ERROR_TIME_INVALID => Some("ERROR_TIME_INVALID"),
            Self::ERROR_REFERENCE_SPACE_UNSUPPORTED => Some("ERROR_REFERENCE_SPACE_UNSUPPORTED"),
            Self::ERROR_FILE_ACCESS_ERROR => Some("ERROR_FILE_ACCESS_ERROR"),
            Self::ERROR_FILE_CONTENTS_INVALID => Some("ERROR_FILE_CONTENTS_INVALID"),
            Self::ERROR_FORM_FACTOR_UNSUPPORTED => Some("ERROR_FORM_FACTOR_UNSUPPORTED"),
            Self::ERROR_FORM_FACTOR_UNAVAILABLE => Some("ERROR_FORM_FACTOR_UNAVAILABLE"),
            Self::ERROR_API_LAYER_NOT_PRESENT => Some("ERROR_API_LAYER_NOT_PRESENT"),
            Self::ERROR_CALL_ORDER_INVALID => Some("ERROR_CALL_ORDER_INVALID"),
            Self::ERROR_GRAPHICS_DEVICE_INVALID => Some("ERROR_GRAPHICS_DEVICE_INVALID"),
            Self::ERROR_POSE_INVALID => Some("ERROR_POSE_INVALID"),
            Self::ERROR_INDEX_OUT_OF_RANGE => Some("ERROR_INDEX_OUT_OF_RANGE"),
            Self::ERROR_VIEW_CONFIGURATION_TYPE_UNSUPPORTED => {
                Some("ERROR_VIEW_CONFIGURATION_TYPE_UNSUPPORTED")
            }
            Self::ERROR_ENVIRONMENT_BLEND_MODE_UNSUPPORTED => {
                Some("ERROR_ENVIRONMENT_BLEND_MODE_UNSUPPORTED")
            }
            Self::ERROR_NAME_DUPLICATED => Some("ERROR_NAME_DUPLICATED"),
            Self::ERROR_NAME_INVALID => Some("ERROR_NAME_INVALID"),
            Self::ERROR_ACTIONSET_NOT_ATTACHED => Some("ERROR_ACTIONSET_NOT_ATTACHED"),
            Self::ERROR_ACTIONSETS_ALREADY_ATTACHED => Some("ERROR_ACTIONSETS_ALREADY_ATTACHED"),
            Self::ERROR_LOCALIZED_NAME_DUPLICATED => Some("ERROR_LOCALIZED_NAME_DUPLICATED"),
            Self::ERROR_LOCALIZED_NAME_INVALID => Some("ERROR_LOCALIZED_NAME_INVALID"),
            Self::ERROR_ANDROID_THREAD_SETTINGS_ID_INVALID_KHR => {
                Some("ERROR_ANDROID_THREAD_SETTINGS_ID_INVALID_KHR")
            }
            Self::ERROR_ANDROID_THREAD_SETTINGS_FAILURE_KHR => {
                Some("ERROR_ANDROID_THREAD_SETTINGS_FAILURE_KHR")
            }
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
impl fmt::Display for Result {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let reason = match * self { Self :: SUCCESS => Some ( "function successfully completed" ) , Self :: TIMEOUT_EXPIRED => Some ( "the specified timeout time occurred before the operation could complete" ) , Self :: SESSION_LOSS_PENDING => Some ( "the session will be lost soon" ) , Self :: EVENT_UNAVAILABLE => Some ( "no event was available" ) , Self :: SPACE_BOUNDS_UNAVAILABLE => Some ( "the space\'s bounds are not known at the moment" ) , Self :: SESSION_NOT_FOCUSED => Some ( "the session is not in the focused state" ) , Self :: FRAME_DISCARDED => Some ( "a frame has been discarded from composition" ) , Self :: ERROR_VALIDATION_FAILURE => Some ( "the function usage was invalid in some way" ) , Self :: ERROR_RUNTIME_FAILURE => Some ( "the runtime failed to handle the function in an unexpected way that is not covered by another error result" ) , Self :: ERROR_OUT_OF_MEMORY => Some ( "a memory allocation has failed" ) , Self :: ERROR_API_VERSION_UNSUPPORTED => Some ( "the runtime does not support the requested api version" ) , Self :: ERROR_INITIALIZATION_FAILED => Some ( "initialization of object could not be completed" ) , Self :: ERROR_FUNCTION_UNSUPPORTED => Some ( "the requested function was not found or is otherwise unsupported" ) , Self :: ERROR_FEATURE_UNSUPPORTED => Some ( "the requested feature is not supported" ) , Self :: ERROR_EXTENSION_NOT_PRESENT => Some ( "a requested extension is not supported" ) , Self :: ERROR_LIMIT_REACHED => Some ( "the runtime supports no more of the requested resource" ) , Self :: ERROR_SIZE_INSUFFICIENT => Some ( "the supplied size was smaller than required" ) , Self :: ERROR_HANDLE_INVALID => Some ( "a supplied object handle was invalid" ) , Self :: ERROR_INSTANCE_LOST => Some ( "the slink:xrinstance was lost or could not be found. it will need to be destroyed and optionally recreated" ) , Self :: ERROR_SESSION_RUNNING => Some ( "the session <<session_running, is already running>>" ) , Self :: ERROR_SESSION_NOT_RUNNING => Some ( "the session <<session_not_running, is not yet running>>" ) , Self :: ERROR_SESSION_LOST => Some ( "the slink:xrsession was lost. it will need to be destroyed and optionally recreated" ) , Self :: ERROR_SYSTEM_INVALID => Some ( "the provided basetype:xrsystemid was invalid" ) , Self :: ERROR_PATH_INVALID => Some ( "the provided basetype:xrpath was not valid" ) , Self :: ERROR_PATH_COUNT_EXCEEDED => Some ( "the maximum number of supported semantic paths has been reached" ) , Self :: ERROR_PATH_FORMAT_INVALID => Some ( "the semantic path character format is invalid" ) , Self :: ERROR_PATH_UNSUPPORTED => Some ( "the semantic path is unsupported" ) , Self :: ERROR_LAYER_INVALID => Some ( "the layer was null or otherwise invalid" ) , Self :: ERROR_LAYER_LIMIT_EXCEEDED => Some ( "the number of specified layers is greater than the supported number" ) , Self :: ERROR_SWAPCHAIN_RECT_INVALID => Some ( "the image rect was negatively sized or otherwise invalid" ) , Self :: ERROR_SWAPCHAIN_FORMAT_UNSUPPORTED => Some ( "the image format is not supported by the runtime or platform" ) , Self :: ERROR_ACTION_TYPE_MISMATCH => Some ( "the api used to retrieve an action\'s state does not match the action\'s type" ) , Self :: ERROR_SESSION_NOT_READY => Some ( "the session is not in the ready state" ) , Self :: ERROR_SESSION_NOT_STOPPING => Some ( "the session is not in the stopping state" ) , Self :: ERROR_TIME_INVALID => Some ( "the provided xrtime was zero, negative, or out of range" ) , Self :: ERROR_REFERENCE_SPACE_UNSUPPORTED => Some ( "the specified reference space is not supported by the runtime or system" ) , Self :: ERROR_FILE_ACCESS_ERROR => Some ( "the file could not be accessed" ) , Self :: ERROR_FILE_CONTENTS_INVALID => Some ( "the file\'s contents were invalid" ) , Self :: ERROR_FORM_FACTOR_UNSUPPORTED => Some ( "the specified form factor is not supported by the current runtime or platform" ) , Self :: ERROR_FORM_FACTOR_UNAVAILABLE => Some ( "the specified form factor is supported, but the device is currently not available, e.g. not plugged in or powered off" ) , Self :: ERROR_API_LAYER_NOT_PRESENT => Some ( "a requested api layer is not present or could not be loaded" ) , Self :: ERROR_CALL_ORDER_INVALID => Some ( "the call was made without having made a previously required call" ) , Self :: ERROR_GRAPHICS_DEVICE_INVALID => Some ( "the given graphics device is not in a valid state. the graphics device could be lost or initialized without meeting graphics requirements" ) , Self :: ERROR_POSE_INVALID => Some ( "the supplied pose was invalid with respect to the requirements" ) , Self :: ERROR_INDEX_OUT_OF_RANGE => Some ( "the supplied index was outside the range of valid indices" ) , Self :: ERROR_VIEW_CONFIGURATION_TYPE_UNSUPPORTED => Some ( "the specified view configuration type is not supported by the runtime or platform" ) , Self :: ERROR_ENVIRONMENT_BLEND_MODE_UNSUPPORTED => Some ( "the specified environment blend mode is not supported by the runtime or platform" ) , Self :: ERROR_NAME_DUPLICATED => Some ( "the name provided was a duplicate of an already-existing resource" ) , Self :: ERROR_NAME_INVALID => Some ( "the name provided was invalid" ) , Self :: ERROR_ACTIONSET_NOT_ATTACHED => Some ( "a referenced action set is not attached to the session" ) , Self :: ERROR_ACTIONSETS_ALREADY_ATTACHED => Some ( "the session already has attached action sets" ) , Self :: ERROR_LOCALIZED_NAME_DUPLICATED => Some ( "the localized name provided was a duplicate of an already-existing resource" ) , Self :: ERROR_LOCALIZED_NAME_INVALID => Some ( "the localized name provided was invalid" ) , Self :: ERROR_ANDROID_THREAD_SETTINGS_ID_INVALID_KHR => Some ( "xrsetandroidapplicationthreadkhr failed as thread id is invalid" ) , Self :: ERROR_ANDROID_THREAD_SETTINGS_FAILURE_KHR => Some ( "xrsetandroidapplicationthreadkhr failed setting the thread attributes/priority" ) , _ => None , } ;
        if let Some(reason) = reason {
            fmt.pad(reason)
        } else {
            write!(fmt, "unknown error (code {})", self.0)
        }
    }
}
impl std::error::Error for Result {}
#[doc = "Enums to track objects of various types"]
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct ObjectType(i32);
impl ObjectType {
    pub const UNKNOWN: ObjectType = ObjectType(0i32);
    #[doc = "XrInstance"]
    pub const INSTANCE: ObjectType = ObjectType(1i32);
    #[doc = "XrSession"]
    pub const SESSION: ObjectType = ObjectType(2i32);
    #[doc = "XrSwapchain"]
    pub const SWAPCHAIN: ObjectType = ObjectType(3i32);
    #[doc = "XrSpace"]
    pub const SPACE: ObjectType = ObjectType(4i32);
    #[doc = "XrActionSet"]
    pub const ACTION_SET: ObjectType = ObjectType(5i32);
    #[doc = "XrAction"]
    pub const ACTION: ObjectType = ObjectType(6i32);
    #[doc = "XrDebugUtilsMessengerEXT"]
    pub const DEBUG_UTILS_MESSENGER_EXT: ObjectType = ObjectType(1000019000i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for ObjectType {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::UNKNOWN => Some("UNKNOWN"),
            Self::INSTANCE => Some("INSTANCE"),
            Self::SESSION => Some("SESSION"),
            Self::SWAPCHAIN => Some("SWAPCHAIN"),
            Self::SPACE => Some("SPACE"),
            Self::ACTION_SET => Some("ACTION_SET"),
            Self::ACTION => Some("ACTION"),
            Self::DEBUG_UTILS_MESSENGER_EXT => Some("DEBUG_UTILS_MESSENGER_EXT"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[doc = "Android Thread Types"]
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct AndroidThreadTypeKHR(i32);
impl AndroidThreadTypeKHR {
    pub const APPLICATION_MAIN: AndroidThreadTypeKHR = AndroidThreadTypeKHR(1i32);
    pub const APPLICATION_WORKER: AndroidThreadTypeKHR = AndroidThreadTypeKHR(2i32);
    pub const RENDERER_MAIN: AndroidThreadTypeKHR = AndroidThreadTypeKHR(3i32);
    pub const RENDERER_WORKER: AndroidThreadTypeKHR = AndroidThreadTypeKHR(4i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for AndroidThreadTypeKHR {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::APPLICATION_MAIN => Some("APPLICATION_MAIN"),
            Self::APPLICATION_WORKER => Some("APPLICATION_WORKER"),
            Self::RENDERER_MAIN => Some("RENDERER_MAIN"),
            Self::RENDERER_WORKER => Some("RENDERER_WORKER"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[doc = "eye visibility selector"]
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct EyeVisibility(i32);
impl EyeVisibility {
    #[doc = "Display in both eyes."]
    pub const BOTH: EyeVisibility = EyeVisibility(0i32);
    #[doc = "Display in the left eye only."]
    pub const LEFT: EyeVisibility = EyeVisibility(1i32);
    #[doc = "Display in the right eye only."]
    pub const RIGHT: EyeVisibility = EyeVisibility(2i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for EyeVisibility {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::BOTH => Some("BOTH"),
            Self::LEFT => Some("LEFT"),
            Self::RIGHT => Some("RIGHT"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct ActionType(i32);
impl ActionType {
    pub const BOOLEAN_INPUT: ActionType = ActionType(1i32);
    pub const FLOAT_INPUT: ActionType = ActionType(2i32);
    pub const VECTOR2F_INPUT: ActionType = ActionType(3i32);
    pub const POSE_INPUT: ActionType = ActionType(4i32);
    pub const VIBRATION_OUTPUT: ActionType = ActionType(100i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for ActionType {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::BOOLEAN_INPUT => Some("BOOLEAN_INPUT"),
            Self::FLOAT_INPUT => Some("FLOAT_INPUT"),
            Self::VECTOR2F_INPUT => Some("VECTOR2F_INPUT"),
            Self::POSE_INPUT => Some("POSE_INPUT"),
            Self::VIBRATION_OUTPUT => Some("VIBRATION_OUTPUT"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct ReferenceSpaceType(i32);
impl ReferenceSpaceType {
    pub const VIEW: ReferenceSpaceType = ReferenceSpaceType(1i32);
    pub const LOCAL: ReferenceSpaceType = ReferenceSpaceType(2i32);
    pub const STAGE: ReferenceSpaceType = ReferenceSpaceType(3i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for ReferenceSpaceType {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::VIEW => Some("VIEW"),
            Self::LOCAL => Some("LOCAL"),
            Self::STAGE => Some("STAGE"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct FormFactor(i32);
impl FormFactor {
    pub const HEAD_MOUNTED_DISPLAY: FormFactor = FormFactor(1i32);
    pub const HANDHELD_DISPLAY: FormFactor = FormFactor(2i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for FormFactor {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::HEAD_MOUNTED_DISPLAY => Some("HEAD_MOUNTED_DISPLAY"),
            Self::HANDHELD_DISPLAY => Some("HANDHELD_DISPLAY"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct ViewConfigurationType(i32);
impl ViewConfigurationType {
    pub const PRIMARY_MONO: ViewConfigurationType = ViewConfigurationType(1i32);
    pub const PRIMARY_STEREO: ViewConfigurationType = ViewConfigurationType(2i32);
    pub const PRIMARY_QUAD_VARJO: ViewConfigurationType = ViewConfigurationType(1000037000i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for ViewConfigurationType {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::PRIMARY_MONO => Some("PRIMARY_MONO"),
            Self::PRIMARY_STEREO => Some("PRIMARY_STEREO"),
            Self::PRIMARY_QUAD_VARJO => Some("PRIMARY_QUAD_VARJO"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct EnvironmentBlendMode(i32);
impl EnvironmentBlendMode {
    pub const OPAQUE: EnvironmentBlendMode = EnvironmentBlendMode(1i32);
    pub const ADDITIVE: EnvironmentBlendMode = EnvironmentBlendMode(2i32);
    pub const ALPHA_BLEND: EnvironmentBlendMode = EnvironmentBlendMode(3i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for EnvironmentBlendMode {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::OPAQUE => Some("OPAQUE"),
            Self::ADDITIVE => Some("ADDITIVE"),
            Self::ALPHA_BLEND => Some("ALPHA_BLEND"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct SessionState(i32);
impl SessionState {
    pub const UNKNOWN: SessionState = SessionState(0i32);
    pub const IDLE: SessionState = SessionState(1i32);
    pub const READY: SessionState = SessionState(2i32);
    pub const SYNCHRONIZED: SessionState = SessionState(3i32);
    pub const VISIBLE: SessionState = SessionState(4i32);
    pub const FOCUSED: SessionState = SessionState(5i32);
    pub const STOPPING: SessionState = SessionState(6i32);
    pub const LOSS_PENDING: SessionState = SessionState(7i32);
    pub const EXITING: SessionState = SessionState(8i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for SessionState {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::UNKNOWN => Some("UNKNOWN"),
            Self::IDLE => Some("IDLE"),
            Self::READY => Some("READY"),
            Self::SYNCHRONIZED => Some("SYNCHRONIZED"),
            Self::VISIBLE => Some("VISIBLE"),
            Self::FOCUSED => Some("FOCUSED"),
            Self::STOPPING => Some("STOPPING"),
            Self::LOSS_PENDING => Some("LOSS_PENDING"),
            Self::EXITING => Some("EXITING"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct PerfSettingsDomainEXT(i32);
impl PerfSettingsDomainEXT {
    #[doc = "Indicates that the performance settings or notification applies to CPU domain"]
    pub const CPU: PerfSettingsDomainEXT = PerfSettingsDomainEXT(1i32);
    #[doc = "Indicates that the performance settings or notification applies to GPU domain"]
    pub const GPU: PerfSettingsDomainEXT = PerfSettingsDomainEXT(2i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for PerfSettingsDomainEXT {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::CPU => Some("CPU"),
            Self::GPU => Some("GPU"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct PerfSettingsSubDomainEXT(i32);
impl PerfSettingsSubDomainEXT {
    #[doc = "Indicates that the performance notification originates from the COMPOSITING sub-domain"]
    pub const COMPOSITING: PerfSettingsSubDomainEXT = PerfSettingsSubDomainEXT(1i32);
    #[doc = "Indicates that the performance notification originates from the RENDERING sub-domain"]
    pub const RENDERING: PerfSettingsSubDomainEXT = PerfSettingsSubDomainEXT(2i32);
    #[doc = "Indicates that the performance notification originates from the THERMAL sub-domain"]
    pub const THERMAL: PerfSettingsSubDomainEXT = PerfSettingsSubDomainEXT(3i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for PerfSettingsSubDomainEXT {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::COMPOSITING => Some("COMPOSITING"),
            Self::RENDERING => Some("RENDERING"),
            Self::THERMAL => Some("THERMAL"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct PerfSettingsLevelEXT(i32);
impl PerfSettingsLevelEXT {
    #[doc = "Performance settings hint used by the application to indicate that it enters a non-XR\n                 section (head-locked / static screen), during which power savings are to be prioritized"]
    pub const POWER_SAVINGS: PerfSettingsLevelEXT = PerfSettingsLevelEXT(0i32);
    #[doc = "Performance settings hint used by the application to indicate that it enters a low\n                 and stable complexity section, during which reducing power is more important than\n                 occasional late rendering frames"]
    pub const SUSTAINED_LOW: PerfSettingsLevelEXT = PerfSettingsLevelEXT(25i32);
    #[doc = "Performance settings hint used by the application to indicate that it enters\n                 a high or dynamic complexity section, during which the XR Runtime strives for consistent\n                 XR compositing and frame rendering within a thermally sustainable range"]
    pub const SUSTAINED_HIGH: PerfSettingsLevelEXT = PerfSettingsLevelEXT(50i32);
    #[doc = "Performance settings hint used by the application to indicate that the application enters\n                 a section with very high complexity, during which the XR Runtime is allowed to step\n                 up beyond the thermally sustainable range"]
    pub const BOOST: PerfSettingsLevelEXT = PerfSettingsLevelEXT(75i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for PerfSettingsLevelEXT {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::POWER_SAVINGS => Some("POWER_SAVINGS"),
            Self::SUSTAINED_LOW => Some("SUSTAINED_LOW"),
            Self::SUSTAINED_HIGH => Some("SUSTAINED_HIGH"),
            Self::BOOST => Some("BOOST"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct PerfSettingsNotificationLevelEXT(i32);
impl PerfSettingsNotificationLevelEXT {
    #[doc = "Notifies that the sub-domain has reached a level\n                 where no further actions other than currently applied are necessary"]
    pub const NORMAL: PerfSettingsNotificationLevelEXT = PerfSettingsNotificationLevelEXT(0i32);
    #[doc = "Notifies that the sub-domain has reached an early warning level\n                 where the application should start proactive mitigation actions\n                 with the goal to return to the ename:XR_PERF_NOTIF_LEVEL_NORMAL level"]
    pub const WARNING: PerfSettingsNotificationLevelEXT = PerfSettingsNotificationLevelEXT(25i32);
    #[doc = "Notifies that the sub-domain has reached a critical\n                 level with significant performance degradation.\n                 The application should take drastic mitigation action"]
    pub const IMPAIRED: PerfSettingsNotificationLevelEXT = PerfSettingsNotificationLevelEXT(75i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for PerfSettingsNotificationLevelEXT {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::NORMAL => Some("NORMAL"),
            Self::WARNING => Some("WARNING"),
            Self::IMPAIRED => Some("IMPAIRED"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[doc = ""]
#[repr(transparent)]
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct VisibilityMaskTypeKHR(i32);
impl VisibilityMaskTypeKHR {
    #[doc = "exclusive mesh; indicates that which the viewer cannot see."]
    pub const HIDDEN_TRIANGLE_MESH: VisibilityMaskTypeKHR = VisibilityMaskTypeKHR(1i32);
    #[doc = "incluse mesh; indicates strictly that which the viewer can see."]
    pub const VISIBLE_TRIANGLE_MESH: VisibilityMaskTypeKHR = VisibilityMaskTypeKHR(2i32);
    #[doc = "line loop; traces the outline of the area the viewer can see."]
    pub const LINE_LOOP: VisibilityMaskTypeKHR = VisibilityMaskTypeKHR(3i32);
    pub fn from_raw(x: i32) -> Self {
        Self(x)
    }
    pub fn into_raw(self) -> i32 {
        self.0
    }
}
impl fmt::Debug for VisibilityMaskTypeKHR {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            Self::HIDDEN_TRIANGLE_MESH => Some("HIDDEN_TRIANGLE_MESH"),
            Self::VISIBLE_TRIANGLE_MESH => Some("VISIBLE_TRIANGLE_MESH"),
            Self::LINE_LOOP => Some("LINE_LOOP"),
            _ => None,
        };
        fmt_enum(fmt, self.0, name)
    }
}
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct InstanceCreateFlags(u64);
impl InstanceCreateFlags {}
bitmask!(InstanceCreateFlags);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct SessionCreateFlags(u64);
impl SessionCreateFlags {}
bitmask!(SessionCreateFlags);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct SwapchainCreateFlags(u64);
impl SwapchainCreateFlags {
    #[doc = "Content will be protected from CPU access"]
    pub const PROTECTED_CONTENT: SwapchainCreateFlags = SwapchainCreateFlags(1 << 0u64);
    #[doc = "Only one image will be acquired from this swapchain over its lifetime"]
    pub const STATIC_IMAGE: SwapchainCreateFlags = SwapchainCreateFlags(1 << 1u64);
}
bitmask!(SwapchainCreateFlags);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct SwapchainUsageFlags(u64);
impl SwapchainUsageFlags {
    #[doc = "Specifies that the image can: be a color rendering target."]
    pub const COLOR_ATTACHMENT: SwapchainUsageFlags = SwapchainUsageFlags(1 << 0u64);
    #[doc = "Specifies that the image can: be a depth/stencil rendering target."]
    pub const DEPTH_STENCIL_ATTACHMENT: SwapchainUsageFlags = SwapchainUsageFlags(1 << 1u64);
    #[doc = "Specifies that the image can: be used as data/compute."]
    pub const UNORDERED_ACCESS: SwapchainUsageFlags = SwapchainUsageFlags(1 << 2u64);
    #[doc = "Specifies that the image can: be used as the source of a transfer command."]
    pub const TRANSFER_SRC: SwapchainUsageFlags = SwapchainUsageFlags(1 << 3u64);
    #[doc = "Specifies that the image can: be used as the destination of a transfer command."]
    pub const TRANSFER_DST: SwapchainUsageFlags = SwapchainUsageFlags(1 << 4u64);
    #[doc = "Specifies that the image can: be sampled by a shader."]
    pub const SAMPLED: SwapchainUsageFlags = SwapchainUsageFlags(1 << 5u64);
    #[doc = "Specifies that the image can: be reinterpreted as another image format."]
    pub const MUTABLE_FORMAT: SwapchainUsageFlags = SwapchainUsageFlags(1 << 6u64);
}
bitmask!(SwapchainUsageFlags);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct ViewStateFlags(u64);
impl ViewStateFlags {
    #[doc = "Indicates validity of all XrView orientations"]
    pub const ORIENTATION_VALID: ViewStateFlags = ViewStateFlags(1 << 0u64);
    #[doc = "Indicates validity of all XrView positions"]
    pub const POSITION_VALID: ViewStateFlags = ViewStateFlags(1 << 1u64);
    #[doc = "Indicates whether all XrView orientations are actively tracked"]
    pub const ORIENTATION_TRACKED: ViewStateFlags = ViewStateFlags(1 << 2u64);
    #[doc = "Indicates whether all XrView positions are actively tracked"]
    pub const POSITION_TRACKED: ViewStateFlags = ViewStateFlags(1 << 3u64);
}
bitmask!(ViewStateFlags);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct CompositionLayerFlags(u64);
impl CompositionLayerFlags {
    #[doc = "Enables chromatic aberration correction when not done by default."]
    pub const CORRECT_CHROMATIC_ABERRATION: CompositionLayerFlags =
        CompositionLayerFlags(1 << 0u64);
    #[doc = "Enables the layer texture alpha channel."]
    pub const BLEND_TEXTURE_SOURCE_ALPHA: CompositionLayerFlags = CompositionLayerFlags(1 << 1u64);
    #[doc = "Indicates the texture color channels have not been premultiplied by the texture alpha channel."]
    pub const UNPREMULTIPLIED_ALPHA: CompositionLayerFlags = CompositionLayerFlags(1 << 2u64);
}
bitmask!(CompositionLayerFlags);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct SpaceLocationFlags(u64);
impl SpaceLocationFlags {
    #[doc = "Indicates validity of orientation member"]
    pub const ORIENTATION_VALID: SpaceLocationFlags = SpaceLocationFlags(1 << 0u64);
    #[doc = "Indicates validity of position member"]
    pub const POSITION_VALID: SpaceLocationFlags = SpaceLocationFlags(1 << 1u64);
    #[doc = "Indicates whether pose member contains an actively tracked orientation"]
    pub const ORIENTATION_TRACKED: SpaceLocationFlags = SpaceLocationFlags(1 << 2u64);
    #[doc = "Indicates whether pose member contains an actively tracked position"]
    pub const POSITION_TRACKED: SpaceLocationFlags = SpaceLocationFlags(1 << 3u64);
}
bitmask!(SpaceLocationFlags);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct SpaceVelocityFlags(u64);
impl SpaceVelocityFlags {
    #[doc = "Indicates validity of linearVelocity member"]
    pub const LINEAR_VALID: SpaceVelocityFlags = SpaceVelocityFlags(1 << 0u64);
    #[doc = "Indicates validity of angularVelocity member"]
    pub const ANGULAR_VALID: SpaceVelocityFlags = SpaceVelocityFlags(1 << 1u64);
}
bitmask!(SpaceVelocityFlags);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct InputSourceLocalizedNameFlags(u64);
impl InputSourceLocalizedNameFlags {
    #[doc = "Asks for the part of the string which indicates the top level user path the source represents"]
    pub const USER_PATH: InputSourceLocalizedNameFlags = InputSourceLocalizedNameFlags(1 << 0u64);
    #[doc = "Asks for the part of the string which represents the interaction profile of the source"]
    pub const INTERACTION_PROFILE: InputSourceLocalizedNameFlags =
        InputSourceLocalizedNameFlags(1 << 1u64);
    #[doc = "Asks for the part of the string which represents the component on the device which needs to be interacted with"]
    pub const COMPONENT: InputSourceLocalizedNameFlags = InputSourceLocalizedNameFlags(1 << 2u64);
}
bitmask!(InputSourceLocalizedNameFlags);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct DebugUtilsMessageSeverityFlagsEXT(u64);
impl DebugUtilsMessageSeverityFlagsEXT {
    #[doc = "Most verbose output severity, typically used for debugging."]
    pub const VERBOSE: DebugUtilsMessageSeverityFlagsEXT =
        DebugUtilsMessageSeverityFlagsEXT(1 << 0u64);
    #[doc = "General info message"]
    pub const INFO: DebugUtilsMessageSeverityFlagsEXT =
        DebugUtilsMessageSeverityFlagsEXT(1 << 4u64);
    #[doc = "Indicates the item may be the cause of issues."]
    pub const WARNING: DebugUtilsMessageSeverityFlagsEXT =
        DebugUtilsMessageSeverityFlagsEXT(1 << 8u64);
    #[doc = "Indicates that the item is definitely related to erroneous behavior."]
    pub const ERROR: DebugUtilsMessageSeverityFlagsEXT =
        DebugUtilsMessageSeverityFlagsEXT(1 << 12u64);
}
bitmask!(DebugUtilsMessageSeverityFlagsEXT);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct DebugUtilsMessageTypeFlagsEXT(u64);
impl DebugUtilsMessageTypeFlagsEXT {
    #[doc = "Indicates this is a general message"]
    pub const GENERAL: DebugUtilsMessageTypeFlagsEXT = DebugUtilsMessageTypeFlagsEXT(1 << 0u64);
    #[doc = "Indicates the message is related to a validation message"]
    pub const VALIDATION: DebugUtilsMessageTypeFlagsEXT = DebugUtilsMessageTypeFlagsEXT(1 << 1u64);
    #[doc = "Indicates the message is related to a potential performance situation"]
    pub const PERFORMANCE: DebugUtilsMessageTypeFlagsEXT = DebugUtilsMessageTypeFlagsEXT(1 << 2u64);
    #[doc = "Indicates the message is related to a non-conformant runtime result"]
    pub const CONFORMANCE: DebugUtilsMessageTypeFlagsEXT = DebugUtilsMessageTypeFlagsEXT(1 << 3u64);
}
bitmask!(DebugUtilsMessageTypeFlagsEXT);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct Instance(u64);
handle!(Instance);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct Session(u64);
handle!(Session);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct ActionSet(u64);
handle!(ActionSet);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct Action(u64);
handle!(Action);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct Swapchain(u64);
handle!(Swapchain);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct Space(u64);
handle!(Space);
#[repr(transparent)]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct DebugUtilsMessengerEXT(u64);
handle!(DebugUtilsMessengerEXT);
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Vector2f {
    pub x: f32,
    pub y: f32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Vector3f {
    pub x: f32,
    pub y: f32,
    pub z: f32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Vector4f {
    pub x: f32,
    pub y: f32,
    pub z: f32,
    pub w: f32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Color4f {
    pub r: f32,
    pub g: f32,
    pub b: f32,
    pub a: f32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Quaternionf {
    pub x: f32,
    pub y: f32,
    pub z: f32,
    pub w: f32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Posef {
    pub orientation: Quaternionf,
    pub position: Vector3f,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Offset2Df {
    pub x: f32,
    pub y: f32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Extent2Df {
    pub width: f32,
    pub height: f32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Rect2Df {
    pub offset: Offset2Df,
    pub extent: Extent2Df,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Offset2Di {
    pub x: i32,
    pub y: i32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Extent2Di {
    pub width: i32,
    pub height: i32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Rect2Di {
    pub offset: Offset2Di,
    pub extent: Extent2Di,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct BaseInStructure {
    pub ty: StructureType,
    pub next: *const BaseInStructure,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct BaseOutStructure {
    pub ty: StructureType,
    pub next: *mut BaseOutStructure,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ApiLayerProperties {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub layer_name: [c_char; MAX_API_LAYER_NAME_SIZE],
    pub spec_version: Version,
    pub layer_version: u32,
    pub description: [c_char; MAX_API_LAYER_DESCRIPTION_SIZE],
}
impl ApiLayerProperties {
    pub const TYPE: StructureType = StructureType::API_LAYER_PROPERTIES;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ExtensionProperties {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub extension_name: [c_char; MAX_EXTENSION_NAME_SIZE],
    pub extension_version: u32,
}
impl ExtensionProperties {
    pub const TYPE: StructureType = StructureType::EXTENSION_PROPERTIES;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ApplicationInfo {
    pub application_name: [c_char; MAX_APPLICATION_NAME_SIZE],
    pub application_version: u32,
    pub engine_name: [c_char; MAX_ENGINE_NAME_SIZE],
    pub engine_version: u32,
    pub api_version: Version,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct InstanceCreateInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub create_flags: InstanceCreateFlags,
    pub application_info: ApplicationInfo,
    pub enabled_api_layer_count: u32,
    pub enabled_api_layer_names: *const *const c_char,
    pub enabled_extension_count: u32,
    pub enabled_extension_names: *const *const c_char,
}
impl InstanceCreateInfo {
    pub const TYPE: StructureType = StructureType::INSTANCE_CREATE_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct InstanceProperties {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub runtime_version: Version,
    pub runtime_name: [c_char; MAX_RUNTIME_NAME_SIZE],
}
impl InstanceProperties {
    pub const TYPE: StructureType = StructureType::INSTANCE_PROPERTIES;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SystemGetInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub form_factor: FormFactor,
}
impl SystemGetInfo {
    pub const TYPE: StructureType = StructureType::SYSTEM_GET_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SystemProperties {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub system_id: SystemId,
    pub vendor_id: u32,
    pub system_name: [c_char; MAX_SYSTEM_NAME_SIZE],
    pub graphics_properties: SystemGraphicsProperties,
    pub tracking_properties: SystemTrackingProperties,
}
impl SystemProperties {
    pub const TYPE: StructureType = StructureType::SYSTEM_PROPERTIES;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SystemGraphicsProperties {
    pub max_swapchain_image_height: u32,
    pub max_swapchain_image_width: u32,
    pub max_layer_count: u32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SystemTrackingProperties {
    pub orientation_tracking: Bool32,
    pub position_tracking: Bool32,
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_opengl_enable"]
#[cfg(windows)]
pub struct GraphicsBindingOpenGLWin32KHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub h_dc: HDC,
    pub h_glrc: HGLRC,
}
#[cfg(windows)]
impl GraphicsBindingOpenGLWin32KHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_BINDING_OPENGL_WIN32_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_opengl_enable"]
pub struct GraphicsBindingOpenGLXlibKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub x_display: *mut Display,
    pub visualid: u32,
    pub glx_fb_config: GLXFBConfig,
    pub glx_drawable: GLXDrawable,
    pub glx_context: GLXContext,
}
impl GraphicsBindingOpenGLXlibKHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_BINDING_OPENGL_XLIB_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_opengl_enable"]
pub struct GraphicsBindingOpenGLXcbKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub connection: *mut xcb_connection_t,
    pub screen_number: u32,
    pub fbconfigid: xcb_glx_fbconfig_t,
    pub visualid: xcb_visualid_t,
    pub glx_drawable: xcb_glx_drawable_t,
    pub glx_context: xcb_glx_context_t,
}
impl GraphicsBindingOpenGLXcbKHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_BINDING_OPENGL_XCB_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_opengl_enable"]
pub struct GraphicsBindingOpenGLWaylandKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub display: *mut wl_display,
}
impl GraphicsBindingOpenGLWaylandKHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_BINDING_OPENGL_WAYLAND_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_D3D11_enable"]
#[cfg(windows)]
pub struct GraphicsBindingD3D11KHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub device: *mut ID3D11Device,
}
#[cfg(windows)]
impl GraphicsBindingD3D11KHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_BINDING_D3D11_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_D3D12_enable"]
#[cfg(windows)]
pub struct GraphicsBindingD3D12KHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub device: *mut ID3D12Device,
    pub queue: *mut ID3D12CommandQueue,
}
#[cfg(windows)]
impl GraphicsBindingD3D12KHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_BINDING_D3D12_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_opengl_es_enable"]
#[cfg(target_os = "android")]
pub struct GraphicsBindingOpenGLESAndroidKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub display: EGLDisplay,
    pub config: EGLConfig,
    pub context: EGLContext,
}
#[cfg(target_os = "android")]
impl GraphicsBindingOpenGLESAndroidKHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_BINDING_OPENGL_ES_ANDROID_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_vulkan_enable"]
pub struct GraphicsBindingVulkanKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub instance: VkInstance,
    pub physical_device: VkPhysicalDevice,
    pub device: VkDevice,
    pub queue_family_index: u32,
    pub queue_index: u32,
}
impl GraphicsBindingVulkanKHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_BINDING_VULKAN_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SessionCreateInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub create_flags: SessionCreateFlags,
    pub system_id: SystemId,
}
impl SessionCreateInfo {
    pub const TYPE: StructureType = StructureType::SESSION_CREATE_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SessionBeginInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub primary_view_configuration_type: ViewConfigurationType,
}
impl SessionBeginInfo {
    pub const TYPE: StructureType = StructureType::SESSION_BEGIN_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SwapchainCreateInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub create_flags: SwapchainCreateFlags,
    pub usage_flags: SwapchainUsageFlags,
    pub format: i64,
    pub sample_count: u32,
    pub width: u32,
    pub height: u32,
    pub face_count: u32,
    pub array_size: u32,
    pub mip_count: u32,
}
impl SwapchainCreateInfo {
    pub const TYPE: StructureType = StructureType::SWAPCHAIN_CREATE_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SwapchainImageBaseHeader {
    pub ty: StructureType,
    pub next: *mut c_void,
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_opengl_enable"]
pub struct SwapchainImageOpenGLKHR {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub image: u32,
}
impl SwapchainImageOpenGLKHR {
    pub const TYPE: StructureType = StructureType::SWAPCHAIN_IMAGE_OPENGL_KHR;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_opengl_es_enable"]
pub struct SwapchainImageOpenGLESKHR {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub image: u32,
}
impl SwapchainImageOpenGLESKHR {
    pub const TYPE: StructureType = StructureType::SWAPCHAIN_IMAGE_OPENGL_ES_KHR;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_vulkan_enable"]
pub struct SwapchainImageVulkanKHR {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub image: VkImage,
}
impl SwapchainImageVulkanKHR {
    pub const TYPE: StructureType = StructureType::SWAPCHAIN_IMAGE_VULKAN_KHR;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_D3D11_enable"]
#[cfg(windows)]
pub struct SwapchainImageD3D11KHR {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub texture: *mut ID3D11Texture2D,
}
#[cfg(windows)]
impl SwapchainImageD3D11KHR {
    pub const TYPE: StructureType = StructureType::SWAPCHAIN_IMAGE_D3D11_KHR;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_D3D12_enable"]
#[cfg(windows)]
pub struct SwapchainImageD3D12KHR {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub texture: *mut ID3D12Resource,
}
#[cfg(windows)]
impl SwapchainImageD3D12KHR {
    pub const TYPE: StructureType = StructureType::SWAPCHAIN_IMAGE_D3D12_KHR;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SwapchainImageAcquireInfo {
    pub ty: StructureType,
    pub next: *const c_void,
}
impl SwapchainImageAcquireInfo {
    pub const TYPE: StructureType = StructureType::SWAPCHAIN_IMAGE_ACQUIRE_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SwapchainImageWaitInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub timeout: Duration,
}
impl SwapchainImageWaitInfo {
    pub const TYPE: StructureType = StructureType::SWAPCHAIN_IMAGE_WAIT_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SwapchainImageReleaseInfo {
    pub ty: StructureType,
    pub next: *const c_void,
}
impl SwapchainImageReleaseInfo {
    pub const TYPE: StructureType = StructureType::SWAPCHAIN_IMAGE_RELEASE_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ReferenceSpaceCreateInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub reference_space_type: ReferenceSpaceType,
    pub pose_in_reference_space: Posef,
}
impl ReferenceSpaceCreateInfo {
    pub const TYPE: StructureType = StructureType::REFERENCE_SPACE_CREATE_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ActionSpaceCreateInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub action: Action,
    pub subaction_path: Path,
    pub pose_in_action_space: Posef,
}
impl ActionSpaceCreateInfo {
    pub const TYPE: StructureType = StructureType::ACTION_SPACE_CREATE_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SpaceLocation {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub location_flags: SpaceLocationFlags,
    pub pose: Posef,
}
impl SpaceLocation {
    pub const TYPE: StructureType = StructureType::SPACE_LOCATION;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SpaceVelocity {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub velocity_flags: SpaceVelocityFlags,
    pub linear_velocity: Vector3f,
    pub angular_velocity: Vector3f,
}
impl SpaceVelocity {
    pub const TYPE: StructureType = StructureType::SPACE_VELOCITY;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct Fovf {
    pub angle_left: f32,
    pub angle_right: f32,
    pub angle_up: f32,
    pub angle_down: f32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct View {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub pose: Posef,
    pub fov: Fovf,
}
impl View {
    pub const TYPE: StructureType = StructureType::VIEW;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ViewLocateInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub view_configuration_type: ViewConfigurationType,
    pub display_time: Time,
    pub space: Space,
}
impl ViewLocateInfo {
    pub const TYPE: StructureType = StructureType::VIEW_LOCATE_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ViewState {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub view_state_flags: ViewStateFlags,
}
impl ViewState {
    pub const TYPE: StructureType = StructureType::VIEW_STATE;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ViewConfigurationView {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub recommended_image_rect_width: u32,
    pub max_image_rect_width: u32,
    pub recommended_image_rect_height: u32,
    pub max_image_rect_height: u32,
    pub recommended_swapchain_sample_count: u32,
    pub max_swapchain_sample_count: u32,
}
impl ViewConfigurationView {
    pub const TYPE: StructureType = StructureType::VIEW_CONFIGURATION_VIEW;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SwapchainSubImage {
    pub swapchain: Swapchain,
    pub image_rect: Rect2Di,
    pub image_array_index: u32,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct CompositionLayerBaseHeader {
    pub ty: StructureType,
    pub next: *const c_void,
    pub layer_flags: CompositionLayerFlags,
    pub space: Space,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct CompositionLayerProjectionView {
    pub ty: StructureType,
    pub next: *const c_void,
    pub pose: Posef,
    pub fov: Fovf,
    pub sub_image: SwapchainSubImage,
}
impl CompositionLayerProjectionView {
    pub const TYPE: StructureType = StructureType::COMPOSITION_LAYER_PROJECTION_VIEW;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct CompositionLayerProjection {
    pub ty: StructureType,
    pub next: *const c_void,
    pub layer_flags: CompositionLayerFlags,
    pub space: Space,
    pub view_count: u32,
    pub views: *const CompositionLayerProjectionView,
}
impl CompositionLayerProjection {
    pub const TYPE: StructureType = StructureType::COMPOSITION_LAYER_PROJECTION;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct CompositionLayerQuad {
    pub ty: StructureType,
    pub next: *const c_void,
    pub layer_flags: CompositionLayerFlags,
    pub space: Space,
    pub eye_visibility: EyeVisibility,
    pub sub_image: SwapchainSubImage,
    pub pose: Posef,
    pub size: Extent2Df,
}
impl CompositionLayerQuad {
    pub const TYPE: StructureType = StructureType::COMPOSITION_LAYER_QUAD;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_composition_layer_cylinder"]
pub struct CompositionLayerCylinderKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub layer_flags: CompositionLayerFlags,
    pub space: Space,
    pub eye_visibility: EyeVisibility,
    pub sub_image: SwapchainSubImage,
    pub pose: Posef,
    pub radius: f32,
    pub central_angle: f32,
    pub aspect_ratio: f32,
}
impl CompositionLayerCylinderKHR {
    pub const TYPE: StructureType = StructureType::COMPOSITION_LAYER_CYLINDER_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_composition_layer_cube"]
pub struct CompositionLayerCubeKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub layer_flags: CompositionLayerFlags,
    pub space: Space,
    pub eye_visibility: EyeVisibility,
    pub swapchain: Swapchain,
    pub image_array_index: u32,
    pub orientation: Quaternionf,
}
impl CompositionLayerCubeKHR {
    pub const TYPE: StructureType = StructureType::COMPOSITION_LAYER_CUBE_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_composition_layer_equirect"]
pub struct CompositionLayerEquirectKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub layer_flags: CompositionLayerFlags,
    pub space: Space,
    pub eye_visibility: EyeVisibility,
    pub sub_image: SwapchainSubImage,
    pub pose: Posef,
    pub radius: f32,
    pub scale: Vector2f,
    pub bias: Vector2f,
}
impl CompositionLayerEquirectKHR {
    pub const TYPE: StructureType = StructureType::COMPOSITION_LAYER_EQUIRECT_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_composition_layer_depth"]
pub struct CompositionLayerDepthInfoKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub sub_image: SwapchainSubImage,
    pub min_depth: f32,
    pub max_depth: f32,
    pub near_z: f32,
    pub far_z: f32,
}
impl CompositionLayerDepthInfoKHR {
    pub const TYPE: StructureType = StructureType::COMPOSITION_LAYER_DEPTH_INFO_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct FrameBeginInfo {
    pub ty: StructureType,
    pub next: *const c_void,
}
impl FrameBeginInfo {
    pub const TYPE: StructureType = StructureType::FRAME_BEGIN_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct FrameEndInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub display_time: Time,
    pub environment_blend_mode: EnvironmentBlendMode,
    pub layer_count: u32,
    pub layers: *const *const CompositionLayerBaseHeader,
}
impl FrameEndInfo {
    pub const TYPE: StructureType = StructureType::FRAME_END_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct FrameWaitInfo {
    pub ty: StructureType,
    pub next: *const c_void,
}
impl FrameWaitInfo {
    pub const TYPE: StructureType = StructureType::FRAME_WAIT_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct FrameState {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub predicted_display_time: Time,
    pub predicted_display_period: Duration,
    pub should_render: Bool32,
}
impl FrameState {
    pub const TYPE: StructureType = StructureType::FRAME_STATE;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct HapticBaseHeader {
    pub ty: StructureType,
    pub next: *const c_void,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct HapticVibration {
    pub ty: StructureType,
    pub next: *const c_void,
    pub duration: Duration,
    pub frequency: f32,
    pub amplitude: f32,
}
impl HapticVibration {
    pub const TYPE: StructureType = StructureType::HAPTIC_VIBRATION;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct EventDataBaseHeader {
    pub ty: StructureType,
    pub next: *const c_void,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct EventDataBuffer {
    pub ty: StructureType,
    pub next: *const c_void,
    pub varying: [u8; 4000usize],
}
impl EventDataBuffer {
    pub const TYPE: StructureType = StructureType::EVENT_DATA_BUFFER;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct EventDataEventsLost {
    pub ty: StructureType,
    pub next: *const c_void,
    pub lost_event_count: u32,
}
impl EventDataEventsLost {
    pub const TYPE: StructureType = StructureType::EVENT_DATA_EVENTS_LOST;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct EventDataInstanceLossPending {
    pub ty: StructureType,
    pub next: *const c_void,
    pub loss_time: Time,
}
impl EventDataInstanceLossPending {
    pub const TYPE: StructureType = StructureType::EVENT_DATA_INSTANCE_LOSS_PENDING;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct EventDataSessionStateChanged {
    pub ty: StructureType,
    pub next: *const c_void,
    pub session: Session,
    pub state: SessionState,
    pub time: Time,
}
impl EventDataSessionStateChanged {
    pub const TYPE: StructureType = StructureType::EVENT_DATA_SESSION_STATE_CHANGED;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct EventDataReferenceSpaceChangePending {
    pub ty: StructureType,
    pub next: *const c_void,
    pub session: Session,
    pub reference_space_type: ReferenceSpaceType,
    pub change_time: Time,
    pub pose_valid: Bool32,
    pub pose_in_previous_space: Posef,
}
impl EventDataReferenceSpaceChangePending {
    pub const TYPE: StructureType = StructureType::EVENT_DATA_REFERENCE_SPACE_CHANGE_PENDING;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_EXT_performance_settings"]
pub struct EventDataPerfSettingsEXT {
    pub ty: StructureType,
    pub next: *const c_void,
    pub domain: PerfSettingsDomainEXT,
    pub sub_domain: PerfSettingsSubDomainEXT,
    pub from_level: PerfSettingsNotificationLevelEXT,
    pub to_level: PerfSettingsNotificationLevelEXT,
}
impl EventDataPerfSettingsEXT {
    pub const TYPE: StructureType = StructureType::EVENT_DATA_PERF_SETTINGS_EXT;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_visibility_mask"]
pub struct EventDataVisibilityMaskChangedKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub session: Session,
    pub view_configuration_type: ViewConfigurationType,
    pub view_index: u32,
}
impl EventDataVisibilityMaskChangedKHR {
    pub const TYPE: StructureType = StructureType::EVENT_DATA_VISIBILITY_MASK_CHANGED_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ViewConfigurationProperties {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub view_configuration_type: ViewConfigurationType,
    pub fov_mutable: Bool32,
}
impl ViewConfigurationProperties {
    pub const TYPE: StructureType = StructureType::VIEW_CONFIGURATION_PROPERTIES;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ActionStateBoolean {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub current_state: Bool32,
    pub changed_since_last_sync: Bool32,
    pub last_change_time: Time,
    pub is_active: Bool32,
}
impl ActionStateBoolean {
    pub const TYPE: StructureType = StructureType::ACTION_STATE_BOOLEAN;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ActionStateFloat {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub current_state: f32,
    pub changed_since_last_sync: Bool32,
    pub last_change_time: Time,
    pub is_active: Bool32,
}
impl ActionStateFloat {
    pub const TYPE: StructureType = StructureType::ACTION_STATE_FLOAT;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ActionStateVector2f {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub current_state: Vector2f,
    pub changed_since_last_sync: Bool32,
    pub last_change_time: Time,
    pub is_active: Bool32,
}
impl ActionStateVector2f {
    pub const TYPE: StructureType = StructureType::ACTION_STATE_VECTOR2F;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ActionStatePose {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub is_active: Bool32,
}
impl ActionStatePose {
    pub const TYPE: StructureType = StructureType::ACTION_STATE_POSE;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ActionStateGetInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub action: Action,
    pub subaction_path: Path,
}
impl ActionStateGetInfo {
    pub const TYPE: StructureType = StructureType::ACTION_STATE_GET_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct HapticActionInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub action: Action,
    pub subaction_path: Path,
}
impl HapticActionInfo {
    pub const TYPE: StructureType = StructureType::HAPTIC_ACTION_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ActionSetCreateInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub action_set_name: [c_char; MAX_ACTION_SET_NAME_SIZE],
    pub localized_action_set_name: [c_char; MAX_LOCALIZED_ACTION_SET_NAME_SIZE],
    pub priority: u32,
}
impl ActionSetCreateInfo {
    pub const TYPE: StructureType = StructureType::ACTION_SET_CREATE_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ActionSuggestedBinding {
    pub action: Action,
    pub binding: Path,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct InteractionProfileSuggestedBinding {
    pub ty: StructureType,
    pub next: *const c_void,
    pub interaction_profile: Path,
    pub count_suggested_bindings: u32,
    pub suggested_bindings: *const ActionSuggestedBinding,
}
impl InteractionProfileSuggestedBinding {
    pub const TYPE: StructureType = StructureType::INTERACTION_PROFILE_SUGGESTED_BINDING;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ActiveActionSet {
    pub action_set: ActionSet,
    pub subaction_path: Path,
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct SessionActionSetsAttachInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub count_action_sets: u32,
    pub action_sets: *const ActionSet,
}
impl SessionActionSetsAttachInfo {
    pub const TYPE: StructureType = StructureType::SESSION_ACTION_SETS_ATTACH_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ActionsSyncInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub count_active_action_sets: u32,
    pub active_action_sets: *const ActiveActionSet,
}
impl ActionsSyncInfo {
    pub const TYPE: StructureType = StructureType::ACTIONS_SYNC_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct BoundSourcesForActionEnumerateInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub action: Action,
}
impl BoundSourcesForActionEnumerateInfo {
    pub const TYPE: StructureType = StructureType::BOUND_SOURCES_FOR_ACTION_ENUMERATE_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct InputSourceLocalizedNameGetInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub source_path: Path,
    pub which_components: InputSourceLocalizedNameFlags,
}
impl InputSourceLocalizedNameGetInfo {
    pub const TYPE: StructureType = StructureType::INPUT_SOURCE_LOCALIZED_NAME_GET_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct EventDataInteractionProfileChanged {
    pub ty: StructureType,
    pub next: *const c_void,
    pub session: Session,
}
impl EventDataInteractionProfileChanged {
    pub const TYPE: StructureType = StructureType::EVENT_DATA_INTERACTION_PROFILE_CHANGED;
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct InteractionProfileState {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub interaction_profile: Path,
}
impl InteractionProfileState {
    pub const TYPE: StructureType = StructureType::INTERACTION_PROFILE_STATE;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
pub struct ActionCreateInfo {
    pub ty: StructureType,
    pub next: *const c_void,
    pub action_name: [c_char; MAX_ACTION_NAME_SIZE],
    pub action_type: ActionType,
    pub count_subaction_paths: u32,
    pub subaction_paths: *const Path,
    pub localized_action_name: [c_char; MAX_LOCALIZED_ACTION_NAME_SIZE],
}
impl ActionCreateInfo {
    pub const TYPE: StructureType = StructureType::ACTION_CREATE_INFO;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_android_create_instance"]
#[cfg(target_os = "android")]
pub struct InstanceCreateInfoAndroidKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub application_vm: *mut c_void,
    pub application_activity: *mut c_void,
}
#[cfg(target_os = "android")]
impl InstanceCreateInfoAndroidKHR {
    pub const TYPE: StructureType = StructureType::INSTANCE_CREATE_INFO_ANDROID_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_vulkan_swapchain_format_list"]
pub struct VulkanSwapchainFormatListCreateInfoKHR {
    pub ty: StructureType,
    pub next: *const c_void,
    pub view_format_count: u32,
    pub view_formats: *const VkFormat,
}
impl VulkanSwapchainFormatListCreateInfoKHR {
    pub const TYPE: StructureType = StructureType::VULKAN_SWAPCHAIN_FORMAT_LIST_CREATE_INFO_KHR;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_EXT_debug_utils"]
pub struct DebugUtilsObjectNameInfoEXT {
    pub ty: StructureType,
    pub next: *const c_void,
    pub object_type: ObjectType,
    pub object_handle: u64,
    pub object_name: *const c_char,
}
impl DebugUtilsObjectNameInfoEXT {
    pub const TYPE: StructureType = StructureType::DEBUG_UTILS_OBJECT_NAME_INFO_EXT;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_EXT_debug_utils"]
pub struct DebugUtilsLabelEXT {
    pub ty: StructureType,
    pub next: *const c_void,
    pub label_name: *const c_char,
}
impl DebugUtilsLabelEXT {
    pub const TYPE: StructureType = StructureType::DEBUG_UTILS_LABEL_EXT;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_EXT_debug_utils"]
pub struct DebugUtilsMessengerCallbackDataEXT {
    pub ty: StructureType,
    pub next: *const c_void,
    pub message_id: *const c_char,
    pub function_name: *const c_char,
    pub message: *const c_char,
    pub object_count: u32,
    pub objects: *mut DebugUtilsObjectNameInfoEXT,
    pub session_label_count: u32,
    pub session_labels: *mut DebugUtilsLabelEXT,
}
impl DebugUtilsMessengerCallbackDataEXT {
    pub const TYPE: StructureType = StructureType::DEBUG_UTILS_MESSENGER_CALLBACK_DATA_EXT;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_EXT_debug_utils"]
pub struct DebugUtilsMessengerCreateInfoEXT {
    pub ty: StructureType,
    pub next: *const c_void,
    pub message_severities: DebugUtilsMessageSeverityFlagsEXT,
    pub message_types: DebugUtilsMessageTypeFlagsEXT,
    pub user_callback: Option<pfn::DebugUtilsMessengerCallbackEXT>,
    pub user_data: *mut c_void,
}
impl DebugUtilsMessengerCreateInfoEXT {
    pub const TYPE: StructureType = StructureType::DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_visibility_mask"]
pub struct VisibilityMaskKHR {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub vertex_capacity_input: u32,
    pub vertex_count_output: u32,
    pub vertices: *mut Vector2f,
    pub index_capacity_input: u32,
    pub index_count_output: u32,
    pub indices: *mut u32,
}
impl VisibilityMaskKHR {
    pub const TYPE: StructureType = StructureType::VISIBILITY_MASK_KHR;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_opengl_enable"]
pub struct GraphicsRequirementsOpenGLKHR {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub min_api_version_supported: Version,
    pub max_api_version_supported: Version,
}
impl GraphicsRequirementsOpenGLKHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_REQUIREMENTS_OPENGL_KHR;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_opengl_es_enable"]
pub struct GraphicsRequirementsOpenGLESKHR {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub min_api_version_supported: Version,
    pub max_api_version_supported: Version,
}
impl GraphicsRequirementsOpenGLESKHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_REQUIREMENTS_OPENGL_ES_KHR;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_vulkan_enable"]
pub struct GraphicsRequirementsVulkanKHR {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub min_api_version_supported: Version,
    pub max_api_version_supported: Version,
}
impl GraphicsRequirementsVulkanKHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_REQUIREMENTS_VULKAN_KHR;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_D3D11_enable"]
#[cfg(windows)]
pub struct GraphicsRequirementsD3D11KHR {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub adapter_luid: LUID,
    pub min_feature_level: D3D_FEATURE_LEVEL,
}
#[cfg(windows)]
impl GraphicsRequirementsD3D11KHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_REQUIREMENTS_D3D11_KHR;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[repr(C)]
#[derive(Copy, Clone)]
#[doc = "From XR_KHR_D3D12_enable"]
#[cfg(windows)]
pub struct GraphicsRequirementsD3D12KHR {
    pub ty: StructureType,
    pub next: *mut c_void,
    pub adapter_luid: LUID,
    pub min_feature_level: D3D_FEATURE_LEVEL,
}
#[cfg(windows)]
impl GraphicsRequirementsD3D12KHR {
    pub const TYPE: StructureType = StructureType::GRAPHICS_REQUIREMENTS_D3D12_KHR;
    #[doc = r" Construct a partially-initialized value suitable for passing to OpenXR"]
    #[inline]
    pub fn out(next: *mut BaseOutStructure) -> MaybeUninit<Self> {
        let mut x = MaybeUninit::<Self>::uninit();
        unsafe {
            (x.as_mut_ptr() as *mut BaseOutStructure).write(BaseOutStructure {
                ty: Self::TYPE,
                next,
            });
        }
        x
    }
}
#[doc = r" Function pointer prototypes"]
pub mod pfn {
    use super::*;
    pub type VoidFunction = unsafe extern "system" fn();
    pub type DebugUtilsMessengerCallbackEXT = unsafe extern "system" fn(
        DebugUtilsMessageSeverityFlagsEXT,
        DebugUtilsMessageTypeFlagsEXT,
        *const DebugUtilsMessengerCallbackDataEXT,
        *mut c_void,
    ) -> Bool32;
    pub type GetInstanceProcAddr = unsafe extern "system" fn(
        instance: Instance,
        name: *const c_char,
        function: *mut Option<pfn::VoidFunction>,
    ) -> Result;
    pub type EnumerateApiLayerProperties = unsafe extern "system" fn(
        property_capacity_input: u32,
        property_count_output: *mut u32,
        properties: *mut ApiLayerProperties,
    ) -> Result;
    pub type EnumerateInstanceExtensionProperties = unsafe extern "system" fn(
        layer_name: *const c_char,
        property_capacity_input: u32,
        property_count_output: *mut u32,
        properties: *mut ExtensionProperties,
    ) -> Result;
    pub type CreateInstance = unsafe extern "system" fn(
        create_info: *const InstanceCreateInfo,
        instance: *mut Instance,
    ) -> Result;
    pub type DestroyInstance = unsafe extern "system" fn(instance: Instance) -> Result;
    pub type ResultToString =
        unsafe extern "system" fn(instance: Instance, value: Result, buffer: *mut c_char) -> Result;
    pub type StructureTypeToString = unsafe extern "system" fn(
        instance: Instance,
        value: StructureType,
        buffer: *mut c_char,
    ) -> Result;
    pub type GetInstanceProperties = unsafe extern "system" fn(
        instance: Instance,
        instance_properties: *mut InstanceProperties,
    ) -> Result;
    pub type GetSystem = unsafe extern "system" fn(
        instance: Instance,
        get_info: *const SystemGetInfo,
        system_id: *mut SystemId,
    ) -> Result;
    pub type GetSystemProperties = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        properties: *mut SystemProperties,
    ) -> Result;
    pub type CreateSession = unsafe extern "system" fn(
        instance: Instance,
        create_info: *const SessionCreateInfo,
        session: *mut Session,
    ) -> Result;
    pub type DestroySession = unsafe extern "system" fn(session: Session) -> Result;
    pub type DestroySpace = unsafe extern "system" fn(space: Space) -> Result;
    pub type EnumerateSwapchainFormats = unsafe extern "system" fn(
        session: Session,
        format_capacity_input: u32,
        format_count_output: *mut u32,
        formats: *mut i64,
    ) -> Result;
    pub type CreateSwapchain = unsafe extern "system" fn(
        session: Session,
        create_info: *const SwapchainCreateInfo,
        swapchain: *mut Swapchain,
    ) -> Result;
    pub type DestroySwapchain = unsafe extern "system" fn(swapchain: Swapchain) -> Result;
    pub type EnumerateSwapchainImages = unsafe extern "system" fn(
        swapchain: Swapchain,
        image_capacity_input: u32,
        image_count_output: *mut u32,
        images: *mut SwapchainImageBaseHeader,
    ) -> Result;
    pub type AcquireSwapchainImage = unsafe extern "system" fn(
        swapchain: Swapchain,
        acquire_info: *const SwapchainImageAcquireInfo,
        index: *mut u32,
    ) -> Result;
    pub type WaitSwapchainImage = unsafe extern "system" fn(
        swapchain: Swapchain,
        wait_info: *const SwapchainImageWaitInfo,
    ) -> Result;
    pub type ReleaseSwapchainImage = unsafe extern "system" fn(
        swapchain: Swapchain,
        release_info: *const SwapchainImageReleaseInfo,
    ) -> Result;
    pub type BeginSession =
        unsafe extern "system" fn(session: Session, begin_info: *const SessionBeginInfo) -> Result;
    pub type EndSession = unsafe extern "system" fn(session: Session) -> Result;
    pub type RequestExitSession = unsafe extern "system" fn(session: Session) -> Result;
    pub type EnumerateReferenceSpaces = unsafe extern "system" fn(
        session: Session,
        space_capacity_input: u32,
        space_count_output: *mut u32,
        spaces: *mut ReferenceSpaceType,
    ) -> Result;
    pub type CreateReferenceSpace = unsafe extern "system" fn(
        session: Session,
        create_info: *const ReferenceSpaceCreateInfo,
        space: *mut Space,
    ) -> Result;
    pub type CreateActionSpace = unsafe extern "system" fn(
        session: Session,
        create_info: *const ActionSpaceCreateInfo,
        space: *mut Space,
    ) -> Result;
    pub type LocateSpace = unsafe extern "system" fn(
        space: Space,
        base_space: Space,
        time: Time,
        location: *mut SpaceLocation,
    ) -> Result;
    pub type EnumerateViewConfigurations = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        view_configuration_type_capacity_input: u32,
        view_configuration_type_count_output: *mut u32,
        view_configuration_types: *mut ViewConfigurationType,
    ) -> Result;
    pub type EnumerateEnvironmentBlendModes = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        view_configuration_type: ViewConfigurationType,
        environment_blend_mode_capacity_input: u32,
        environment_blend_mode_count_output: *mut u32,
        environment_blend_modes: *mut EnvironmentBlendMode,
    ) -> Result;
    pub type GetViewConfigurationProperties = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        view_configuration_type: ViewConfigurationType,
        configuration_properties: *mut ViewConfigurationProperties,
    ) -> Result;
    pub type EnumerateViewConfigurationViews = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        view_configuration_type: ViewConfigurationType,
        view_capacity_input: u32,
        view_count_output: *mut u32,
        views: *mut ViewConfigurationView,
    ) -> Result;
    pub type BeginFrame = unsafe extern "system" fn(
        session: Session,
        frame_begin_info: *const FrameBeginInfo,
    ) -> Result;
    pub type LocateViews = unsafe extern "system" fn(
        session: Session,
        view_locate_info: *const ViewLocateInfo,
        view_state: *mut ViewState,
        view_capacity_input: u32,
        view_count_output: *mut u32,
        views: *mut View,
    ) -> Result;
    pub type EndFrame =
        unsafe extern "system" fn(session: Session, frame_end_info: *const FrameEndInfo) -> Result;
    pub type WaitFrame = unsafe extern "system" fn(
        session: Session,
        frame_wait_info: *const FrameWaitInfo,
        frame_state: *mut FrameState,
    ) -> Result;
    pub type ApplyHapticFeedback = unsafe extern "system" fn(
        session: Session,
        haptic_action_info: *const HapticActionInfo,
        haptic_feedback: *const HapticBaseHeader,
    ) -> Result;
    pub type StopHapticFeedback = unsafe extern "system" fn(
        session: Session,
        haptic_action_info: *const HapticActionInfo,
    ) -> Result;
    pub type PollEvent =
        unsafe extern "system" fn(instance: Instance, event_data: *mut EventDataBuffer) -> Result;
    pub type StringToPath = unsafe extern "system" fn(
        instance: Instance,
        path_string: *const c_char,
        path: *mut Path,
    ) -> Result;
    pub type PathToString = unsafe extern "system" fn(
        instance: Instance,
        path: Path,
        buffer_capacity_input: u32,
        buffer_count_output: *mut u32,
        buffer: *mut c_char,
    ) -> Result;
    pub type GetReferenceSpaceBoundsRect = unsafe extern "system" fn(
        session: Session,
        reference_space_type: ReferenceSpaceType,
        bounds: *mut Extent2Df,
    ) -> Result;
    #[cfg(target_os = "android")]
    #[doc = "From XR_KHR_android_thread_settings"]
    pub type SetAndroidApplicationThreadKHR = unsafe extern "system" fn(
        session: Session,
        thread_type: AndroidThreadTypeKHR,
        thread_id: u32,
    ) -> Result;
    #[cfg(target_os = "android")]
    #[doc = "From XR_KHR_android_surface_swapchain"]
    pub type CreateSwapchainAndroidSurfaceKHR = unsafe extern "system" fn(
        session: Session,
        info: *const SwapchainCreateInfo,
        swapchain: *mut Swapchain,
        surface: *mut jobject,
    ) -> Result;
    pub type GetActionStateBoolean = unsafe extern "system" fn(
        session: Session,
        get_info: *const ActionStateGetInfo,
        state: *mut ActionStateBoolean,
    ) -> Result;
    pub type GetActionStateFloat = unsafe extern "system" fn(
        session: Session,
        get_info: *const ActionStateGetInfo,
        state: *mut ActionStateFloat,
    ) -> Result;
    pub type GetActionStateVector2f = unsafe extern "system" fn(
        session: Session,
        get_info: *const ActionStateGetInfo,
        state: *mut ActionStateVector2f,
    ) -> Result;
    pub type GetActionStatePose = unsafe extern "system" fn(
        session: Session,
        get_info: *const ActionStateGetInfo,
        state: *mut ActionStatePose,
    ) -> Result;
    pub type CreateActionSet = unsafe extern "system" fn(
        instance: Instance,
        create_info: *const ActionSetCreateInfo,
        action_set: *mut ActionSet,
    ) -> Result;
    pub type DestroyActionSet = unsafe extern "system" fn(action_set: ActionSet) -> Result;
    pub type CreateAction = unsafe extern "system" fn(
        action_set: ActionSet,
        create_info: *const ActionCreateInfo,
        action: *mut Action,
    ) -> Result;
    pub type DestroyAction = unsafe extern "system" fn(action: Action) -> Result;
    pub type SuggestInteractionProfileBindings = unsafe extern "system" fn(
        instance: Instance,
        suggested_bindings: *const InteractionProfileSuggestedBinding,
    ) -> Result;
    pub type AttachSessionActionSets = unsafe extern "system" fn(
        session: Session,
        attach_info: *const SessionActionSetsAttachInfo,
    ) -> Result;
    pub type GetCurrentInteractionProfile = unsafe extern "system" fn(
        session: Session,
        top_level_user_path: Path,
        interaction_profile: *mut InteractionProfileState,
    ) -> Result;
    pub type SyncActions =
        unsafe extern "system" fn(session: Session, sync_info: *const ActionsSyncInfo) -> Result;
    pub type EnumerateBoundSourcesForAction = unsafe extern "system" fn(
        session: Session,
        enumerate_info: *const BoundSourcesForActionEnumerateInfo,
        source_capacity_input: u32,
        source_count_output: *mut u32,
        sources: *mut Path,
    ) -> Result;
    pub type GetInputSourceLocalizedName = unsafe extern "system" fn(
        session: Session,
        get_info: *const InputSourceLocalizedNameGetInfo,
        buffer_capacity_input: u32,
        buffer_count_output: *mut u32,
        buffer: *mut c_char,
    ) -> Result;
    #[doc = "From XR_KHR_vulkan_enable"]
    pub type GetVulkanInstanceExtensionsKHR = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        buffer_capacity_input: u32,
        buffer_count_output: *mut u32,
        buffer: *mut c_char,
    ) -> Result;
    #[doc = "From XR_KHR_vulkan_enable"]
    pub type GetVulkanDeviceExtensionsKHR = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        buffer_capacity_input: u32,
        buffer_count_output: *mut u32,
        buffer: *mut c_char,
    ) -> Result;
    #[doc = "From XR_KHR_vulkan_enable"]
    pub type GetVulkanGraphicsDeviceKHR = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        vk_instance: VkInstance,
        vk_physical_device: *mut VkPhysicalDevice,
    ) -> Result;
    #[doc = "From XR_KHR_opengl_enable"]
    pub type GetOpenGLGraphicsRequirementsKHR = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        graphics_requirements: *mut GraphicsRequirementsOpenGLKHR,
    ) -> Result;
    #[doc = "From XR_KHR_opengl_es_enable"]
    pub type GetOpenGLESGraphicsRequirementsKHR = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        graphics_requirements: *mut GraphicsRequirementsOpenGLESKHR,
    ) -> Result;
    #[doc = "From XR_KHR_vulkan_enable"]
    pub type GetVulkanGraphicsRequirementsKHR = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        graphics_requirements: *mut GraphicsRequirementsVulkanKHR,
    ) -> Result;
    #[cfg(windows)]
    #[doc = "From XR_KHR_D3D11_enable"]
    pub type GetD3D11GraphicsRequirementsKHR = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        graphics_requirements: *mut GraphicsRequirementsD3D11KHR,
    ) -> Result;
    #[cfg(windows)]
    #[doc = "From XR_KHR_D3D12_enable"]
    pub type GetD3D12GraphicsRequirementsKHR = unsafe extern "system" fn(
        instance: Instance,
        system_id: SystemId,
        graphics_requirements: *mut GraphicsRequirementsD3D12KHR,
    ) -> Result;
    #[doc = "From XR_EXT_performance_settings"]
    pub type PerfSettingsSetPerformanceLevelEXT = unsafe extern "system" fn(
        session: Session,
        domain: PerfSettingsDomainEXT,
        level: PerfSettingsLevelEXT,
    ) -> Result;
    #[doc = "From XR_EXT_thermal_query"]
    pub type ThermalGetTemperatureTrendEXT = unsafe extern "system" fn(
        session: Session,
        domain: PerfSettingsDomainEXT,
        notification_level: *mut PerfSettingsNotificationLevelEXT,
        temp_headroom: *mut f32,
        temp_slope: *mut f32,
    ) -> Result;
    #[doc = "From XR_EXT_debug_utils"]
    pub type SetDebugUtilsObjectNameEXT = unsafe extern "system" fn(
        instance: Instance,
        name_info: *const DebugUtilsObjectNameInfoEXT,
    ) -> Result;
    #[doc = "From XR_EXT_debug_utils"]
    pub type CreateDebugUtilsMessengerEXT = unsafe extern "system" fn(
        instance: Instance,
        create_info: *const DebugUtilsMessengerCreateInfoEXT,
        messenger: *mut DebugUtilsMessengerEXT,
    ) -> Result;
    #[doc = "From XR_EXT_debug_utils"]
    pub type DestroyDebugUtilsMessengerEXT =
        unsafe extern "system" fn(messenger: DebugUtilsMessengerEXT) -> Result;
    #[doc = "From XR_EXT_debug_utils"]
    pub type SubmitDebugUtilsMessageEXT = unsafe extern "system" fn(
        instance: Instance,
        message_severity: DebugUtilsMessageSeverityFlagsEXT,
        message_types: DebugUtilsMessageTypeFlagsEXT,
        callback_data: *const DebugUtilsMessengerCallbackDataEXT,
    ) -> Result;
    #[doc = "From XR_EXT_debug_utils"]
    pub type SessionBeginDebugUtilsLabelRegionEXT = unsafe extern "system" fn(
        session: Session,
        label_info: *const DebugUtilsLabelEXT,
    ) -> Result;
    #[doc = "From XR_EXT_debug_utils"]
    pub type SessionEndDebugUtilsLabelRegionEXT =
        unsafe extern "system" fn(session: Session) -> Result;
    #[doc = "From XR_EXT_debug_utils"]
    pub type SessionInsertDebugUtilsLabelEXT = unsafe extern "system" fn(
        session: Session,
        label_info: *const DebugUtilsLabelEXT,
    ) -> Result;
    #[cfg(windows)]
    #[doc = "From XR_KHR_win32_convert_performance_counter_time"]
    pub type ConvertTimeToWin32PerformanceCounterKHR = unsafe extern "system" fn(
        instance: Instance,
        time: Time,
        performance_counter: *mut LARGE_INTEGER,
    ) -> Result;
    #[cfg(windows)]
    #[doc = "From XR_KHR_win32_convert_performance_counter_time"]
    pub type ConvertWin32PerformanceCounterToTimeKHR = unsafe extern "system" fn(
        instance: Instance,
        performance_counter: *const LARGE_INTEGER,
        time: *mut Time,
    ) -> Result;
    #[doc = "From XR_KHR_convert_timespec_time"]
    pub type ConvertTimeToTimespecTimeKHR = unsafe extern "system" fn(
        instance: Instance,
        time: Time,
        timespec_time: *mut timespec,
    ) -> Result;
    #[doc = "From XR_KHR_convert_timespec_time"]
    pub type ConvertTimespecTimeToTimeKHR = unsafe extern "system" fn(
        instance: Instance,
        timespec_time: *const timespec,
        time: *mut Time,
    ) -> Result;
    #[doc = "From XR_KHR_visibility_mask"]
    pub type GetVisibilityMaskKHR = unsafe extern "system" fn(
        session: Session,
        view_configuration_type: ViewConfigurationType,
        view_index: u32,
        visibility_mask_type: VisibilityMaskTypeKHR,
        visibility_mask: *mut VisibilityMaskKHR,
    ) -> Result;
}
pub const EXT_performance_settings_SPEC_VERSION: u32 = 1u32;
pub const EXT_PERFORMANCE_SETTINGS_EXTENSION_NAME: &'static [u8] = b"XR_EXT_performance_settings\0";
pub const EXT_thermal_query_SPEC_VERSION: u32 = 1u32;
pub const EXT_THERMAL_QUERY_EXTENSION_NAME: &'static [u8] = b"XR_EXT_thermal_query\0";
pub const EXT_debug_utils_SPEC_VERSION: u32 = 3u32;
pub const EXT_DEBUG_UTILS_EXTENSION_NAME: &'static [u8] = b"XR_EXT_debug_utils\0";
#[cfg(target_os = "android")]
pub const KHR_android_thread_settings_SPEC_VERSION: u32 = 5u32;
#[cfg(target_os = "android")]
pub const KHR_ANDROID_THREAD_SETTINGS_EXTENSION_NAME: &'static [u8] =
    b"XR_KHR_android_thread_settings\0";
#[cfg(target_os = "android")]
pub const KHR_android_surface_swapchain_SPEC_VERSION: u32 = 4u32;
#[cfg(target_os = "android")]
pub const KHR_ANDROID_SURFACE_SWAPCHAIN_EXTENSION_NAME: &'static [u8] =
    b"XR_KHR_android_surface_swapchain\0";
pub const KHR_composition_layer_cube_SPEC_VERSION: u32 = 8u32;
pub const KHR_COMPOSITION_LAYER_CUBE_EXTENSION_NAME: &'static [u8] =
    b"XR_KHR_composition_layer_cube\0";
#[cfg(target_os = "android")]
pub const KHR_android_create_instance_SPEC_VERSION: u32 = 3u32;
#[cfg(target_os = "android")]
pub const KHR_ANDROID_CREATE_INSTANCE_EXTENSION_NAME: &'static [u8] =
    b"XR_KHR_android_create_instance\0";
pub const KHR_composition_layer_depth_SPEC_VERSION: u32 = 5u32;
pub const KHR_COMPOSITION_LAYER_DEPTH_EXTENSION_NAME: &'static [u8] =
    b"XR_KHR_composition_layer_depth\0";
pub const KHR_vulkan_swapchain_format_list_SPEC_VERSION: u32 = 2u32;
pub const KHR_VULKAN_SWAPCHAIN_FORMAT_LIST_EXTENSION_NAME: &'static [u8] =
    b"XR_KHR_vulkan_swapchain_format_list\0";
pub const KHR_composition_layer_cylinder_SPEC_VERSION: u32 = 4u32;
pub const KHR_COMPOSITION_LAYER_CYLINDER_EXTENSION_NAME: &'static [u8] =
    b"XR_KHR_composition_layer_cylinder\0";
pub const KHR_composition_layer_equirect_SPEC_VERSION: u32 = 3u32;
pub const KHR_COMPOSITION_LAYER_EQUIRECT_EXTENSION_NAME: &'static [u8] =
    b"XR_KHR_composition_layer_equirect\0";
pub const KHR_opengl_enable_SPEC_VERSION: u32 = 7u32;
pub const KHR_OPENGL_ENABLE_EXTENSION_NAME: &'static [u8] = b"XR_KHR_opengl_enable\0";
pub const KHR_opengl_es_enable_SPEC_VERSION: u32 = 6u32;
pub const KHR_OPENGL_ES_ENABLE_EXTENSION_NAME: &'static [u8] = b"XR_KHR_opengl_es_enable\0";
pub const KHR_vulkan_enable_SPEC_VERSION: u32 = 6u32;
pub const KHR_VULKAN_ENABLE_EXTENSION_NAME: &'static [u8] = b"XR_KHR_vulkan_enable\0";
#[cfg(windows)]
pub const KHR_D3D11_enable_SPEC_VERSION: u32 = 4u32;
#[cfg(windows)]
pub const KHR_D3D11_ENABLE_EXTENSION_NAME: &'static [u8] = b"XR_KHR_D3D11_enable\0";
#[cfg(windows)]
pub const KHR_D3D12_enable_SPEC_VERSION: u32 = 5u32;
#[cfg(windows)]
pub const KHR_D3D12_ENABLE_EXTENSION_NAME: &'static [u8] = b"XR_KHR_D3D12_enable\0";
pub const KHR_visibility_mask_SPEC_VERSION: u32 = 2u32;
pub const KHR_VISIBILITY_MASK_EXTENSION_NAME: &'static [u8] = b"XR_KHR_visibility_mask\0";
#[cfg(windows)]
pub const KHR_win32_convert_performance_counter_time_SPEC_VERSION: u32 = 1u32;
#[cfg(windows)]
pub const KHR_WIN32_CONVERT_PERFORMANCE_COUNTER_TIME_EXTENSION_NAME: &'static [u8] =
    b"XR_KHR_win32_convert_performance_counter_time\0";
pub const KHR_convert_timespec_time_SPEC_VERSION: u32 = 1u32;
pub const KHR_CONVERT_TIMESPEC_TIME_EXTENSION_NAME: &'static [u8] =
    b"XR_KHR_convert_timespec_time\0";
pub const VARJO_quad_views_SPEC_VERSION: u32 = 1u32;
pub const VARJO_QUAD_VIEWS_EXTENSION_NAME: &'static [u8] = b"XR_VARJO_quad_views\0";
#[cfg(feature = "prototypes")]
extern "system" {
    #[link_name = "xrGetInstanceProcAddr"]
    pub fn get_instance_proc_addr(
        instance: Instance,
        name: *const c_char,
        function: *mut Option<pfn::VoidFunction>,
    ) -> Result;
    #[link_name = "xrEnumerateApiLayerProperties"]
    pub fn enumerate_api_layer_properties(
        property_capacity_input: u32,
        property_count_output: *mut u32,
        properties: *mut ApiLayerProperties,
    ) -> Result;
    #[link_name = "xrEnumerateInstanceExtensionProperties"]
    pub fn enumerate_instance_extension_properties(
        layer_name: *const c_char,
        property_capacity_input: u32,
        property_count_output: *mut u32,
        properties: *mut ExtensionProperties,
    ) -> Result;
    #[link_name = "xrCreateInstance"]
    pub fn create_instance(
        create_info: *const InstanceCreateInfo,
        instance: *mut Instance,
    ) -> Result;
    #[link_name = "xrDestroyInstance"]
    pub fn destroy_instance(instance: Instance) -> Result;
    #[link_name = "xrResultToString"]
    pub fn result_to_string(instance: Instance, value: Result, buffer: *mut c_char) -> Result;
    #[link_name = "xrStructureTypeToString"]
    pub fn structure_type_to_string(
        instance: Instance,
        value: StructureType,
        buffer: *mut c_char,
    ) -> Result;
    #[link_name = "xrGetInstanceProperties"]
    pub fn get_instance_properties(
        instance: Instance,
        instance_properties: *mut InstanceProperties,
    ) -> Result;
    #[link_name = "xrGetSystem"]
    pub fn get_system(
        instance: Instance,
        get_info: *const SystemGetInfo,
        system_id: *mut SystemId,
    ) -> Result;
    #[link_name = "xrGetSystemProperties"]
    pub fn get_system_properties(
        instance: Instance,
        system_id: SystemId,
        properties: *mut SystemProperties,
    ) -> Result;
    #[link_name = "xrCreateSession"]
    pub fn create_session(
        instance: Instance,
        create_info: *const SessionCreateInfo,
        session: *mut Session,
    ) -> Result;
    #[link_name = "xrDestroySession"]
    pub fn destroy_session(session: Session) -> Result;
    #[link_name = "xrDestroySpace"]
    pub fn destroy_space(space: Space) -> Result;
    #[link_name = "xrEnumerateSwapchainFormats"]
    pub fn enumerate_swapchain_formats(
        session: Session,
        format_capacity_input: u32,
        format_count_output: *mut u32,
        formats: *mut i64,
    ) -> Result;
    #[link_name = "xrCreateSwapchain"]
    pub fn create_swapchain(
        session: Session,
        create_info: *const SwapchainCreateInfo,
        swapchain: *mut Swapchain,
    ) -> Result;
    #[link_name = "xrDestroySwapchain"]
    pub fn destroy_swapchain(swapchain: Swapchain) -> Result;
    #[link_name = "xrEnumerateSwapchainImages"]
    pub fn enumerate_swapchain_images(
        swapchain: Swapchain,
        image_capacity_input: u32,
        image_count_output: *mut u32,
        images: *mut SwapchainImageBaseHeader,
    ) -> Result;
    #[link_name = "xrAcquireSwapchainImage"]
    pub fn acquire_swapchain_image(
        swapchain: Swapchain,
        acquire_info: *const SwapchainImageAcquireInfo,
        index: *mut u32,
    ) -> Result;
    #[link_name = "xrWaitSwapchainImage"]
    pub fn wait_swapchain_image(
        swapchain: Swapchain,
        wait_info: *const SwapchainImageWaitInfo,
    ) -> Result;
    #[link_name = "xrReleaseSwapchainImage"]
    pub fn release_swapchain_image(
        swapchain: Swapchain,
        release_info: *const SwapchainImageReleaseInfo,
    ) -> Result;
    #[link_name = "xrBeginSession"]
    pub fn begin_session(session: Session, begin_info: *const SessionBeginInfo) -> Result;
    #[link_name = "xrEndSession"]
    pub fn end_session(session: Session) -> Result;
    #[link_name = "xrRequestExitSession"]
    pub fn request_exit_session(session: Session) -> Result;
    #[link_name = "xrEnumerateReferenceSpaces"]
    pub fn enumerate_reference_spaces(
        session: Session,
        space_capacity_input: u32,
        space_count_output: *mut u32,
        spaces: *mut ReferenceSpaceType,
    ) -> Result;
    #[link_name = "xrCreateReferenceSpace"]
    pub fn create_reference_space(
        session: Session,
        create_info: *const ReferenceSpaceCreateInfo,
        space: *mut Space,
    ) -> Result;
    #[link_name = "xrCreateActionSpace"]
    pub fn create_action_space(
        session: Session,
        create_info: *const ActionSpaceCreateInfo,
        space: *mut Space,
    ) -> Result;
    #[link_name = "xrLocateSpace"]
    pub fn locate_space(
        space: Space,
        base_space: Space,
        time: Time,
        location: *mut SpaceLocation,
    ) -> Result;
    #[link_name = "xrEnumerateViewConfigurations"]
    pub fn enumerate_view_configurations(
        instance: Instance,
        system_id: SystemId,
        view_configuration_type_capacity_input: u32,
        view_configuration_type_count_output: *mut u32,
        view_configuration_types: *mut ViewConfigurationType,
    ) -> Result;
    #[link_name = "xrEnumerateEnvironmentBlendModes"]
    pub fn enumerate_environment_blend_modes(
        instance: Instance,
        system_id: SystemId,
        view_configuration_type: ViewConfigurationType,
        environment_blend_mode_capacity_input: u32,
        environment_blend_mode_count_output: *mut u32,
        environment_blend_modes: *mut EnvironmentBlendMode,
    ) -> Result;
    #[link_name = "xrGetViewConfigurationProperties"]
    pub fn get_view_configuration_properties(
        instance: Instance,
        system_id: SystemId,
        view_configuration_type: ViewConfigurationType,
        configuration_properties: *mut ViewConfigurationProperties,
    ) -> Result;
    #[link_name = "xrEnumerateViewConfigurationViews"]
    pub fn enumerate_view_configuration_views(
        instance: Instance,
        system_id: SystemId,
        view_configuration_type: ViewConfigurationType,
        view_capacity_input: u32,
        view_count_output: *mut u32,
        views: *mut ViewConfigurationView,
    ) -> Result;
    #[link_name = "xrBeginFrame"]
    pub fn begin_frame(session: Session, frame_begin_info: *const FrameBeginInfo) -> Result;
    #[link_name = "xrLocateViews"]
    pub fn locate_views(
        session: Session,
        view_locate_info: *const ViewLocateInfo,
        view_state: *mut ViewState,
        view_capacity_input: u32,
        view_count_output: *mut u32,
        views: *mut View,
    ) -> Result;
    #[link_name = "xrEndFrame"]
    pub fn end_frame(session: Session, frame_end_info: *const FrameEndInfo) -> Result;
    #[link_name = "xrWaitFrame"]
    pub fn wait_frame(
        session: Session,
        frame_wait_info: *const FrameWaitInfo,
        frame_state: *mut FrameState,
    ) -> Result;
    #[link_name = "xrApplyHapticFeedback"]
    pub fn apply_haptic_feedback(
        session: Session,
        haptic_action_info: *const HapticActionInfo,
        haptic_feedback: *const HapticBaseHeader,
    ) -> Result;
    #[link_name = "xrStopHapticFeedback"]
    pub fn stop_haptic_feedback(
        session: Session,
        haptic_action_info: *const HapticActionInfo,
    ) -> Result;
    #[link_name = "xrPollEvent"]
    pub fn poll_event(instance: Instance, event_data: *mut EventDataBuffer) -> Result;
    #[link_name = "xrStringToPath"]
    pub fn string_to_path(
        instance: Instance,
        path_string: *const c_char,
        path: *mut Path,
    ) -> Result;
    #[link_name = "xrPathToString"]
    pub fn path_to_string(
        instance: Instance,
        path: Path,
        buffer_capacity_input: u32,
        buffer_count_output: *mut u32,
        buffer: *mut c_char,
    ) -> Result;
    #[link_name = "xrGetReferenceSpaceBoundsRect"]
    pub fn get_reference_space_bounds_rect(
        session: Session,
        reference_space_type: ReferenceSpaceType,
        bounds: *mut Extent2Df,
    ) -> Result;
    #[link_name = "xrGetActionStateBoolean"]
    pub fn get_action_state_boolean(
        session: Session,
        get_info: *const ActionStateGetInfo,
        state: *mut ActionStateBoolean,
    ) -> Result;
    #[link_name = "xrGetActionStateFloat"]
    pub fn get_action_state_float(
        session: Session,
        get_info: *const ActionStateGetInfo,
        state: *mut ActionStateFloat,
    ) -> Result;
    #[link_name = "xrGetActionStateVector2f"]
    pub fn get_action_state_vector2f(
        session: Session,
        get_info: *const ActionStateGetInfo,
        state: *mut ActionStateVector2f,
    ) -> Result;
    #[link_name = "xrGetActionStatePose"]
    pub fn get_action_state_pose(
        session: Session,
        get_info: *const ActionStateGetInfo,
        state: *mut ActionStatePose,
    ) -> Result;
    #[link_name = "xrCreateActionSet"]
    pub fn create_action_set(
        instance: Instance,
        create_info: *const ActionSetCreateInfo,
        action_set: *mut ActionSet,
    ) -> Result;
    #[link_name = "xrDestroyActionSet"]
    pub fn destroy_action_set(action_set: ActionSet) -> Result;
    #[link_name = "xrCreateAction"]
    pub fn create_action(
        action_set: ActionSet,
        create_info: *const ActionCreateInfo,
        action: *mut Action,
    ) -> Result;
    #[link_name = "xrDestroyAction"]
    pub fn destroy_action(action: Action) -> Result;
    #[link_name = "xrSuggestInteractionProfileBindings"]
    pub fn suggest_interaction_profile_bindings(
        instance: Instance,
        suggested_bindings: *const InteractionProfileSuggestedBinding,
    ) -> Result;
    #[link_name = "xrAttachSessionActionSets"]
    pub fn attach_session_action_sets(
        session: Session,
        attach_info: *const SessionActionSetsAttachInfo,
    ) -> Result;
    #[link_name = "xrGetCurrentInteractionProfile"]
    pub fn get_current_interaction_profile(
        session: Session,
        top_level_user_path: Path,
        interaction_profile: *mut InteractionProfileState,
    ) -> Result;
    #[link_name = "xrSyncActions"]
    pub fn sync_actions(session: Session, sync_info: *const ActionsSyncInfo) -> Result;
    #[link_name = "xrEnumerateBoundSourcesForAction"]
    pub fn enumerate_bound_sources_for_action(
        session: Session,
        enumerate_info: *const BoundSourcesForActionEnumerateInfo,
        source_capacity_input: u32,
        source_count_output: *mut u32,
        sources: *mut Path,
    ) -> Result;
    #[link_name = "xrGetInputSourceLocalizedName"]
    pub fn get_input_source_localized_name(
        session: Session,
        get_info: *const InputSourceLocalizedNameGetInfo,
        buffer_capacity_input: u32,
        buffer_count_output: *mut u32,
        buffer: *mut c_char,
    ) -> Result;
}