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
|
/**************************************************************************
*
* Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <stdio.h>
#include "main/bufferobj.h"
#include "main/enums.h"
#include "main/fbobject.h"
#include "main/formats.h"
#include "main/format_utils.h"
#include "main/glformats.h"
#include "main/image.h"
#include "main/imports.h"
#include "main/macros.h"
#include "main/mipmap.h"
#include "main/pack.h"
#include "main/pbo.h"
#include "main/pixeltransfer.h"
#include "main/texcompress.h"
#include "main/texcompress_etc.h"
#include "main/texgetimage.h"
#include "main/teximage.h"
#include "main/texobj.h"
#include "main/texstore.h"
#include "state_tracker/st_debug.h"
#include "state_tracker/st_context.h"
#include "state_tracker/st_cb_bitmap.h"
#include "state_tracker/st_cb_fbo.h"
#include "state_tracker/st_cb_flush.h"
#include "state_tracker/st_cb_texture.h"
#include "state_tracker/st_cb_bufferobjects.h"
#include "state_tracker/st_format.h"
#include "state_tracker/st_pbo.h"
#include "state_tracker/st_texture.h"
#include "state_tracker/st_gen_mipmap.h"
#include "state_tracker/st_atom.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
#include "util/u_upload_mgr.h"
#include "pipe/p_shader_tokens.h"
#include "util/u_tile.h"
#include "util/u_format.h"
#include "util/u_surface.h"
#include "util/u_sampler.h"
#include "util/u_math.h"
#include "util/u_box.h"
#include "util/u_simple_shaders.h"
#include "cso_cache/cso_context.h"
#include "tgsi/tgsi_ureg.h"
#define DBG if (0) printf
enum pipe_texture_target
gl_target_to_pipe(GLenum target)
{
switch (target) {
case GL_TEXTURE_1D:
case GL_PROXY_TEXTURE_1D:
return PIPE_TEXTURE_1D;
case GL_TEXTURE_2D:
case GL_PROXY_TEXTURE_2D:
case GL_TEXTURE_EXTERNAL_OES:
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
return PIPE_TEXTURE_2D;
case GL_TEXTURE_RECTANGLE_NV:
case GL_PROXY_TEXTURE_RECTANGLE_NV:
return PIPE_TEXTURE_RECT;
case GL_TEXTURE_3D:
case GL_PROXY_TEXTURE_3D:
return PIPE_TEXTURE_3D;
case GL_TEXTURE_CUBE_MAP_ARB:
case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
return PIPE_TEXTURE_CUBE;
case GL_TEXTURE_1D_ARRAY_EXT:
case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
return PIPE_TEXTURE_1D_ARRAY;
case GL_TEXTURE_2D_ARRAY_EXT:
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
return PIPE_TEXTURE_2D_ARRAY;
case GL_TEXTURE_BUFFER:
return PIPE_BUFFER;
case GL_TEXTURE_CUBE_MAP_ARRAY:
case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
return PIPE_TEXTURE_CUBE_ARRAY;
default:
assert(0);
return 0;
}
}
/** called via ctx->Driver.NewTextureImage() */
static struct gl_texture_image *
st_NewTextureImage(struct gl_context * ctx)
{
DBG("%s\n", __func__);
(void) ctx;
return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image);
}
/** called via ctx->Driver.DeleteTextureImage() */
static void
st_DeleteTextureImage(struct gl_context * ctx, struct gl_texture_image *img)
{
/* nothing special (yet) for st_texture_image */
_mesa_delete_texture_image(ctx, img);
}
/** called via ctx->Driver.NewTextureObject() */
static struct gl_texture_object *
st_NewTextureObject(struct gl_context * ctx, GLuint name, GLenum target)
{
struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object);
DBG("%s\n", __func__);
_mesa_initialize_texture_object(ctx, &obj->base, name, target);
return &obj->base;
}
/** called via ctx->Driver.DeleteTextureObject() */
static void
st_DeleteTextureObject(struct gl_context *ctx,
struct gl_texture_object *texObj)
{
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
pipe_resource_reference(&stObj->pt, NULL);
st_texture_release_all_sampler_views(st, stObj);
st_texture_free_sampler_views(stObj);
_mesa_delete_texture_object(ctx, texObj);
}
/** called via ctx->Driver.FreeTextureImageBuffer() */
static void
st_FreeTextureImageBuffer(struct gl_context *ctx,
struct gl_texture_image *texImage)
{
struct st_texture_image *stImage = st_texture_image(texImage);
DBG("%s\n", __func__);
if (stImage->pt) {
pipe_resource_reference(&stImage->pt, NULL);
}
free(stImage->transfer);
stImage->transfer = NULL;
stImage->num_transfers = 0;
if (stImage->etc_data) {
free(stImage->etc_data);
stImage->etc_data = NULL;
}
}
bool
st_etc_fallback(struct st_context *st, struct gl_texture_image *texImage)
{
return (_mesa_is_format_etc2(texImage->TexFormat) && !st->has_etc2) ||
(texImage->TexFormat == MESA_FORMAT_ETC1_RGB8 && !st->has_etc1);
}
static void
etc_fallback_allocate(struct st_context *st, struct st_texture_image *stImage)
{
struct gl_texture_image *texImage = &stImage->base;
if (!st_etc_fallback(st, texImage))
return;
if (stImage->etc_data)
free(stImage->etc_data);
unsigned data_size = _mesa_format_image_size(texImage->TexFormat,
texImage->Width2,
texImage->Height2,
texImage->Depth2);
stImage->etc_data =
malloc(data_size * _mesa_num_tex_faces(texImage->TexObject->Target));
}
/** called via ctx->Driver.MapTextureImage() */
static void
st_MapTextureImage(struct gl_context *ctx,
struct gl_texture_image *texImage,
GLuint slice, GLuint x, GLuint y, GLuint w, GLuint h,
GLbitfield mode,
GLubyte **mapOut, GLint *rowStrideOut)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
unsigned pipeMode;
GLubyte *map;
struct pipe_transfer *transfer;
pipeMode = 0x0;
if (mode & GL_MAP_READ_BIT)
pipeMode |= PIPE_TRANSFER_READ;
if (mode & GL_MAP_WRITE_BIT)
pipeMode |= PIPE_TRANSFER_WRITE;
if (mode & GL_MAP_INVALIDATE_RANGE_BIT)
pipeMode |= PIPE_TRANSFER_DISCARD_RANGE;
map = st_texture_image_map(st, stImage, pipeMode, x, y, slice, w, h, 1,
&transfer);
if (map) {
if (st_etc_fallback(st, texImage)) {
/* ETC isn't supported by all gallium drivers, where it's represented
* by uncompressed formats. We store the compressed data (as it's
* needed for image copies in OES_copy_image), and decompress as
* necessary in Unmap.
*
* Note: all ETC1/ETC2 formats have 4x4 block sizes.
*/
unsigned z = transfer->box.z;
struct st_texture_image_transfer *itransfer = &stImage->transfer[z];
unsigned bytes = _mesa_get_format_bytes(texImage->TexFormat);
unsigned stride = *rowStrideOut = itransfer->temp_stride =
_mesa_format_row_stride(texImage->TexFormat, texImage->Width2);
*mapOut = itransfer->temp_data =
stImage->etc_data + ((x / 4) * bytes + (y / 4) * stride) +
z * stride * texImage->Height2 / 4;
itransfer->map = map;
}
else {
/* supported mapping */
*mapOut = map;
*rowStrideOut = transfer->stride;
}
}
else {
*mapOut = NULL;
*rowStrideOut = 0;
}
}
/** called via ctx->Driver.UnmapTextureImage() */
static void
st_UnmapTextureImage(struct gl_context *ctx,
struct gl_texture_image *texImage,
GLuint slice)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
if (st_etc_fallback(st, texImage)) {
/* Decompress the ETC texture to the mapped one. */
unsigned z = slice + stImage->base.Face;
struct st_texture_image_transfer *itransfer = &stImage->transfer[z];
struct pipe_transfer *transfer = itransfer->transfer;
assert(z == transfer->box.z);
if (transfer->usage & PIPE_TRANSFER_WRITE) {
if (texImage->TexFormat == MESA_FORMAT_ETC1_RGB8) {
_mesa_etc1_unpack_rgba8888(itransfer->map, transfer->stride,
itransfer->temp_data,
itransfer->temp_stride,
transfer->box.width, transfer->box.height);
}
else {
_mesa_unpack_etc2_format(itransfer->map, transfer->stride,
itransfer->temp_data, itransfer->temp_stride,
transfer->box.width, transfer->box.height,
texImage->TexFormat);
}
}
itransfer->temp_data = NULL;
itransfer->temp_stride = 0;
itransfer->map = 0;
}
st_texture_image_unmap(st, stImage, slice);
}
/**
* Return default texture resource binding bitmask for the given format.
*/
static GLuint
default_bindings(struct st_context *st, enum pipe_format format)
{
struct pipe_screen *screen = st->pipe->screen;
const unsigned target = PIPE_TEXTURE_2D;
unsigned bindings;
if (util_format_is_depth_or_stencil(format))
bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL;
else
bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
if (screen->is_format_supported(screen, format, target, 0, bindings))
return bindings;
else {
/* Try non-sRGB. */
format = util_format_linear(format);
if (screen->is_format_supported(screen, format, target, 0, bindings))
return bindings;
else
return PIPE_BIND_SAMPLER_VIEW;
}
}
/**
* Given the size of a mipmap image, try to compute the size of the level=0
* mipmap image.
*
* Note that this isn't always accurate for odd-sized, non-POW textures.
* For example, if level=1 and width=40 then the level=0 width may be 80 or 81.
*
* \return GL_TRUE for success, GL_FALSE for failure
*/
static GLboolean
guess_base_level_size(GLenum target,
GLuint width, GLuint height, GLuint depth, GLuint level,
GLuint *width0, GLuint *height0, GLuint *depth0)
{
assert(width >= 1);
assert(height >= 1);
assert(depth >= 1);
if (level > 0) {
/* Guess the size of the base level.
* Depending on the image's size, we can't always make a guess here.
*/
switch (target) {
case GL_TEXTURE_1D:
case GL_TEXTURE_1D_ARRAY:
width <<= level;
break;
case GL_TEXTURE_2D:
case GL_TEXTURE_2D_ARRAY:
/* We can't make a good guess here, because the base level dimensions
* can be non-square.
*/
if (width == 1 || height == 1) {
return GL_FALSE;
}
width <<= level;
height <<= level;
break;
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_CUBE_MAP_ARRAY:
width <<= level;
height <<= level;
break;
case GL_TEXTURE_3D:
/* We can't make a good guess here, because the base level dimensions
* can be non-cube.
*/
if (width == 1 || height == 1 || depth == 1) {
return GL_FALSE;
}
width <<= level;
height <<= level;
depth <<= level;
break;
case GL_TEXTURE_RECTANGLE:
break;
default:
assert(0);
}
}
*width0 = width;
*height0 = height;
*depth0 = depth;
return GL_TRUE;
}
/**
* Try to determine whether we should allocate memory for a full texture
* mipmap. The problem is when we get a glTexImage(level=0) call, we
* can't immediately know if other mipmap levels are coming next. Here
* we try to guess whether to allocate memory for a mipmap or just the
* 0th level.
*
* If we guess incorrectly here we'll later reallocate the right amount of
* memory either in st_AllocTextureImageBuffer() or st_finalize_texture().
*
* \param stObj the texture object we're going to allocate memory for.
* \param stImage describes the incoming image which we need to store.
*/
static boolean
allocate_full_mipmap(const struct st_texture_object *stObj,
const struct st_texture_image *stImage)
{
switch (stObj->base.Target) {
case GL_TEXTURE_RECTANGLE_NV:
case GL_TEXTURE_BUFFER:
case GL_TEXTURE_EXTERNAL_OES:
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
/* these texture types cannot be mipmapped */
return FALSE;
}
if (stImage->base.Level > 0 || stObj->base.GenerateMipmap)
return TRUE;
if (stImage->base._BaseFormat == GL_DEPTH_COMPONENT ||
stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT)
/* depth/stencil textures are seldom mipmapped */
return FALSE;
if (stObj->base.BaseLevel == 0 && stObj->base.MaxLevel == 0)
return FALSE;
if (stObj->base.Sampler.MinFilter == GL_NEAREST ||
stObj->base.Sampler.MinFilter == GL_LINEAR)
/* not a mipmap minification filter */
return FALSE;
if (stObj->base.Target == GL_TEXTURE_3D)
/* 3D textures are seldom mipmapped */
return FALSE;
return TRUE;
}
/**
* Try to allocate a pipe_resource object for the given st_texture_object.
*
* We use the given st_texture_image as a clue to determine the size of the
* mipmap image at level=0.
*
* \return GL_TRUE for success, GL_FALSE if out of memory.
*/
static GLboolean
guess_and_alloc_texture(struct st_context *st,
struct st_texture_object *stObj,
const struct st_texture_image *stImage)
{
const struct gl_texture_image *firstImage;
GLuint lastLevel, width, height, depth;
GLuint bindings;
GLuint ptWidth, ptHeight, ptDepth, ptLayers;
enum pipe_format fmt;
bool guessed_box = false;
DBG("%s\n", __func__);
assert(!stObj->pt);
/* If a base level image with compatible size exists, use that as our guess.
*/
firstImage = _mesa_base_tex_image(&stObj->base);
if (firstImage &&
firstImage->Width2 > 0 &&
firstImage->Height2 > 0 &&
firstImage->Depth2 > 0 &&
guess_base_level_size(stObj->base.Target,
firstImage->Width2,
firstImage->Height2,
firstImage->Depth2,
firstImage->Level,
&width, &height, &depth)) {
if (stImage->base.Width2 == u_minify(width, stImage->base.Level) &&
stImage->base.Height2 == u_minify(height, stImage->base.Level) &&
stImage->base.Depth2 == u_minify(depth, stImage->base.Level))
guessed_box = true;
}
if (!guessed_box)
guessed_box = guess_base_level_size(stObj->base.Target,
stImage->base.Width2,
stImage->base.Height2,
stImage->base.Depth2,
stImage->base.Level,
&width, &height, &depth);
if (!guessed_box) {
/* we can't determine the image size at level=0 */
/* this is not an out of memory error */
return GL_TRUE;
}
/* At this point, (width x height x depth) is the expected size of
* the level=0 mipmap image.
*/
/* Guess a reasonable value for lastLevel. With OpenGL we have no
* idea how many mipmap levels will be in a texture until we start
* to render with it. Make an educated guess here but be prepared
* to re-allocating a texture buffer with space for more (or fewer)
* mipmap levels later.
*/
if (allocate_full_mipmap(stObj, stImage)) {
/* alloc space for a full mipmap */
lastLevel = _mesa_get_tex_max_num_levels(stObj->base.Target,
width, height, depth) - 1;
}
else {
/* only alloc space for a single mipmap level */
lastLevel = 0;
}
fmt = st_mesa_format_to_pipe_format(st, stImage->base.TexFormat);
bindings = default_bindings(st, fmt);
st_gl_texture_dims_to_pipe_dims(stObj->base.Target,
width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
stObj->pt = st_texture_create(st,
gl_target_to_pipe(stObj->base.Target),
fmt,
lastLevel,
ptWidth,
ptHeight,
ptDepth,
ptLayers, 0,
bindings);
stObj->lastLevel = lastLevel;
DBG("%s returning %d\n", __func__, (stObj->pt != NULL));
return stObj->pt != NULL;
}
/**
* Called via ctx->Driver.AllocTextureImageBuffer().
* If the texture object/buffer already has space for the indicated image,
* we're done. Otherwise, allocate memory for the new texture image.
*/
static GLboolean
st_AllocTextureImageBuffer(struct gl_context *ctx,
struct gl_texture_image *texImage)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
const GLuint level = texImage->Level;
GLuint width = texImage->Width;
GLuint height = texImage->Height;
GLuint depth = texImage->Depth;
DBG("%s\n", __func__);
assert(!stImage->pt); /* xxx this might be wrong */
etc_fallback_allocate(st, stImage);
/* Look if the parent texture object has space for this image */
if (stObj->pt &&
level <= stObj->pt->last_level &&
st_texture_match_image(st, stObj->pt, texImage)) {
/* this image will fit in the existing texture object's memory */
pipe_resource_reference(&stImage->pt, stObj->pt);
return GL_TRUE;
}
/* The parent texture object does not have space for this image */
pipe_resource_reference(&stObj->pt, NULL);
st_texture_release_all_sampler_views(st, stObj);
if (!guess_and_alloc_texture(st, stObj, stImage)) {
/* Probably out of memory.
* Try flushing any pending rendering, then retry.
*/
st_finish(st);
if (!guess_and_alloc_texture(st, stObj, stImage)) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
return GL_FALSE;
}
}
if (stObj->pt &&
st_texture_match_image(st, stObj->pt, texImage)) {
/* The image will live in the object's mipmap memory */
pipe_resource_reference(&stImage->pt, stObj->pt);
assert(stImage->pt);
return GL_TRUE;
}
else {
/* Create a new, temporary texture/resource/buffer to hold this
* one texture image. Note that when we later access this image
* (either for mapping or copying) we'll want to always specify
* mipmap level=0, even if the image represents some other mipmap
* level.
*/
enum pipe_format format =
st_mesa_format_to_pipe_format(st, texImage->TexFormat);
GLuint bindings = default_bindings(st, format);
GLuint ptWidth, ptHeight, ptDepth, ptLayers;
st_gl_texture_dims_to_pipe_dims(stObj->base.Target,
width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
stImage->pt = st_texture_create(st,
gl_target_to_pipe(stObj->base.Target),
format,
0, /* lastLevel */
ptWidth,
ptHeight,
ptDepth,
ptLayers, 0,
bindings);
return stImage->pt != NULL;
}
}
/**
* Preparation prior to glTexImage. Basically check the 'surface_based'
* field and switch to a "normal" tex image if necessary.
*/
static void
prep_teximage(struct gl_context *ctx, struct gl_texture_image *texImage,
GLenum format, GLenum type)
{
struct gl_texture_object *texObj = texImage->TexObject;
struct st_texture_object *stObj = st_texture_object(texObj);
/* switch to "normal" */
if (stObj->surface_based) {
const GLenum target = texObj->Target;
const GLuint level = texImage->Level;
mesa_format texFormat;
_mesa_clear_texture_object(ctx, texObj);
pipe_resource_reference(&stObj->pt, NULL);
/* oops, need to init this image again */
texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
texImage->InternalFormat, format,
type);
_mesa_init_teximage_fields(ctx, texImage,
texImage->Width, texImage->Height,
texImage->Depth, texImage->Border,
texImage->InternalFormat, texFormat);
stObj->surface_based = GL_FALSE;
}
}
/**
* Return a writemask for the gallium blit. The parameters can be base
* formats or "format" from glDrawPixels/glTexImage/glGetTexImage.
*/
unsigned
st_get_blit_mask(GLenum srcFormat, GLenum dstFormat)
{
switch (dstFormat) {
case GL_DEPTH_STENCIL:
switch (srcFormat) {
case GL_DEPTH_STENCIL:
return PIPE_MASK_ZS;
case GL_DEPTH_COMPONENT:
return PIPE_MASK_Z;
case GL_STENCIL_INDEX:
return PIPE_MASK_S;
default:
assert(0);
return 0;
}
case GL_DEPTH_COMPONENT:
switch (srcFormat) {
case GL_DEPTH_STENCIL:
case GL_DEPTH_COMPONENT:
return PIPE_MASK_Z;
default:
assert(0);
return 0;
}
case GL_STENCIL_INDEX:
switch (srcFormat) {
case GL_STENCIL_INDEX:
return PIPE_MASK_S;
default:
assert(0);
return 0;
}
default:
return PIPE_MASK_RGBA;
}
}
/**
* Converts format to a format with the same components, types
* and sizes, but with the components in RGBA order.
*/
static enum pipe_format
unswizzle_format(enum pipe_format format)
{
switch (format)
{
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_A8B8G8R8_UNORM:
return PIPE_FORMAT_R8G8B8A8_UNORM;
case PIPE_FORMAT_B10G10R10A2_UNORM:
return PIPE_FORMAT_R10G10B10A2_UNORM;
case PIPE_FORMAT_B10G10R10A2_SNORM:
return PIPE_FORMAT_R10G10B10A2_SNORM;
case PIPE_FORMAT_B10G10R10A2_UINT:
return PIPE_FORMAT_R10G10B10A2_UINT;
default:
return format;
}
}
/**
* Converts PIPE_FORMAT_A* to PIPE_FORMAT_R*.
*/
static enum pipe_format
alpha_to_red(enum pipe_format format)
{
switch (format)
{
case PIPE_FORMAT_A8_UNORM:
return PIPE_FORMAT_R8_UNORM;
case PIPE_FORMAT_A8_SNORM:
return PIPE_FORMAT_R8_SNORM;
case PIPE_FORMAT_A8_UINT:
return PIPE_FORMAT_R8_UINT;
case PIPE_FORMAT_A8_SINT:
return PIPE_FORMAT_R8_SINT;
case PIPE_FORMAT_A16_UNORM:
return PIPE_FORMAT_R16_UNORM;
case PIPE_FORMAT_A16_SNORM:
return PIPE_FORMAT_R16_SNORM;
case PIPE_FORMAT_A16_UINT:
return PIPE_FORMAT_R16_UINT;
case PIPE_FORMAT_A16_SINT:
return PIPE_FORMAT_R16_SINT;
case PIPE_FORMAT_A16_FLOAT:
return PIPE_FORMAT_R16_FLOAT;
case PIPE_FORMAT_A32_UINT:
return PIPE_FORMAT_R32_UINT;
case PIPE_FORMAT_A32_SINT:
return PIPE_FORMAT_R32_SINT;
case PIPE_FORMAT_A32_FLOAT:
return PIPE_FORMAT_R32_FLOAT;
default:
return format;
}
}
/**
* Converts PIPE_FORMAT_R*A* to PIPE_FORMAT_R*G*.
*/
static enum pipe_format
red_alpha_to_red_green(enum pipe_format format)
{
switch (format)
{
case PIPE_FORMAT_R8A8_UNORM:
return PIPE_FORMAT_R8G8_UNORM;
case PIPE_FORMAT_R8A8_SNORM:
return PIPE_FORMAT_R8G8_SNORM;
case PIPE_FORMAT_R8A8_UINT:
return PIPE_FORMAT_R8G8_UINT;
case PIPE_FORMAT_R8A8_SINT:
return PIPE_FORMAT_R8G8_SINT;
case PIPE_FORMAT_R16A16_UNORM:
return PIPE_FORMAT_R16G16_UNORM;
case PIPE_FORMAT_R16A16_SNORM:
return PIPE_FORMAT_R16G16_SNORM;
case PIPE_FORMAT_R16A16_UINT:
return PIPE_FORMAT_R16G16_UINT;
case PIPE_FORMAT_R16A16_SINT:
return PIPE_FORMAT_R16G16_SINT;
case PIPE_FORMAT_R16A16_FLOAT:
return PIPE_FORMAT_R16G16_FLOAT;
case PIPE_FORMAT_R32A32_UINT:
return PIPE_FORMAT_R32G32_UINT;
case PIPE_FORMAT_R32A32_SINT:
return PIPE_FORMAT_R32G32_SINT;
case PIPE_FORMAT_R32A32_FLOAT:
return PIPE_FORMAT_R32G32_FLOAT;
default:
return format;
}
}
/**
* Converts PIPE_FORMAT_L*A* to PIPE_FORMAT_R*G*.
*/
static enum pipe_format
luminance_alpha_to_red_green(enum pipe_format format)
{
switch (format)
{
case PIPE_FORMAT_L8A8_UNORM:
return PIPE_FORMAT_R8G8_UNORM;
case PIPE_FORMAT_L8A8_SNORM:
return PIPE_FORMAT_R8G8_SNORM;
case PIPE_FORMAT_L8A8_UINT:
return PIPE_FORMAT_R8G8_UINT;
case PIPE_FORMAT_L8A8_SINT:
return PIPE_FORMAT_R8G8_SINT;
case PIPE_FORMAT_L16A16_UNORM:
return PIPE_FORMAT_R16G16_UNORM;
case PIPE_FORMAT_L16A16_SNORM:
return PIPE_FORMAT_R16G16_SNORM;
case PIPE_FORMAT_L16A16_UINT:
return PIPE_FORMAT_R16G16_UINT;
case PIPE_FORMAT_L16A16_SINT:
return PIPE_FORMAT_R16G16_SINT;
case PIPE_FORMAT_L16A16_FLOAT:
return PIPE_FORMAT_R16G16_FLOAT;
case PIPE_FORMAT_L32A32_UINT:
return PIPE_FORMAT_R32G32_UINT;
case PIPE_FORMAT_L32A32_SINT:
return PIPE_FORMAT_R32G32_SINT;
case PIPE_FORMAT_L32A32_FLOAT:
return PIPE_FORMAT_R32G32_FLOAT;
default:
return format;
}
}
/**
* Returns true if format is a PIPE_FORMAT_A* format, and false otherwise.
*/
static bool
format_is_alpha(enum pipe_format format)
{
const struct util_format_description *desc = util_format_description(format);
if (desc->nr_channels == 1 &&
desc->swizzle[0] == PIPE_SWIZZLE_0 &&
desc->swizzle[1] == PIPE_SWIZZLE_0 &&
desc->swizzle[2] == PIPE_SWIZZLE_0 &&
desc->swizzle[3] == PIPE_SWIZZLE_X)
return true;
return false;
}
/**
* Returns true if format is a PIPE_FORMAT_R* format, and false otherwise.
*/
static bool
format_is_red(enum pipe_format format)
{
const struct util_format_description *desc = util_format_description(format);
if (desc->nr_channels == 1 &&
desc->swizzle[0] == PIPE_SWIZZLE_X &&
desc->swizzle[1] == PIPE_SWIZZLE_0 &&
desc->swizzle[2] == PIPE_SWIZZLE_0 &&
desc->swizzle[3] == PIPE_SWIZZLE_1)
return true;
return false;
}
/**
* Returns true if format is a PIPE_FORMAT_L* format, and false otherwise.
*/
static bool
format_is_luminance(enum pipe_format format)
{
const struct util_format_description *desc = util_format_description(format);
if (desc->nr_channels == 1 &&
desc->swizzle[0] == PIPE_SWIZZLE_X &&
desc->swizzle[1] == PIPE_SWIZZLE_X &&
desc->swizzle[2] == PIPE_SWIZZLE_X &&
desc->swizzle[3] == PIPE_SWIZZLE_1)
return true;
return false;
}
/**
* Returns true if format is a PIPE_FORMAT_R*A* format, and false otherwise.
*/
static bool
format_is_red_alpha(enum pipe_format format)
{
const struct util_format_description *desc = util_format_description(format);
if (desc->nr_channels == 2 &&
desc->swizzle[0] == PIPE_SWIZZLE_X &&
desc->swizzle[1] == PIPE_SWIZZLE_0 &&
desc->swizzle[2] == PIPE_SWIZZLE_0 &&
desc->swizzle[3] == PIPE_SWIZZLE_Y)
return true;
return false;
}
static bool
format_is_swizzled_rgba(enum pipe_format format)
{
const struct util_format_description *desc = util_format_description(format);
if ((desc->swizzle[0] == TGSI_SWIZZLE_X || desc->swizzle[0] == PIPE_SWIZZLE_0) &&
(desc->swizzle[1] == TGSI_SWIZZLE_Y || desc->swizzle[1] == PIPE_SWIZZLE_0) &&
(desc->swizzle[2] == TGSI_SWIZZLE_Z || desc->swizzle[2] == PIPE_SWIZZLE_0) &&
(desc->swizzle[3] == TGSI_SWIZZLE_W || desc->swizzle[3] == PIPE_SWIZZLE_1))
return false;
return true;
}
struct format_table
{
unsigned char swizzle[4];
enum pipe_format format;
};
static const struct format_table table_8888_unorm[] = {
{ { 0, 1, 2, 3 }, PIPE_FORMAT_R8G8B8A8_UNORM },
{ { 2, 1, 0, 3 }, PIPE_FORMAT_B8G8R8A8_UNORM },
{ { 3, 0, 1, 2 }, PIPE_FORMAT_A8R8G8B8_UNORM },
{ { 3, 2, 1, 0 }, PIPE_FORMAT_A8B8G8R8_UNORM }
};
static const struct format_table table_1010102_unorm[] = {
{ { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_UNORM },
{ { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_UNORM }
};
static const struct format_table table_1010102_snorm[] = {
{ { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_SNORM },
{ { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_SNORM }
};
static const struct format_table table_1010102_uint[] = {
{ { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_UINT },
{ { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_UINT }
};
static enum pipe_format
swizzle_format(enum pipe_format format, const int * const swizzle)
{
unsigned i;
switch (format) {
case PIPE_FORMAT_R8G8B8A8_UNORM:
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_A8B8G8R8_UNORM:
for (i = 0; i < ARRAY_SIZE(table_8888_unorm); i++) {
if (swizzle[0] == table_8888_unorm[i].swizzle[0] &&
swizzle[1] == table_8888_unorm[i].swizzle[1] &&
swizzle[2] == table_8888_unorm[i].swizzle[2] &&
swizzle[3] == table_8888_unorm[i].swizzle[3])
return table_8888_unorm[i].format;
}
break;
case PIPE_FORMAT_R10G10B10A2_UNORM:
case PIPE_FORMAT_B10G10R10A2_UNORM:
for (i = 0; i < ARRAY_SIZE(table_1010102_unorm); i++) {
if (swizzle[0] == table_1010102_unorm[i].swizzle[0] &&
swizzle[1] == table_1010102_unorm[i].swizzle[1] &&
swizzle[2] == table_1010102_unorm[i].swizzle[2] &&
swizzle[3] == table_1010102_unorm[i].swizzle[3])
return table_1010102_unorm[i].format;
}
break;
case PIPE_FORMAT_R10G10B10A2_SNORM:
case PIPE_FORMAT_B10G10R10A2_SNORM:
for (i = 0; i < ARRAY_SIZE(table_1010102_snorm); i++) {
if (swizzle[0] == table_1010102_snorm[i].swizzle[0] &&
swizzle[1] == table_1010102_snorm[i].swizzle[1] &&
swizzle[2] == table_1010102_snorm[i].swizzle[2] &&
swizzle[3] == table_1010102_snorm[i].swizzle[3])
return table_1010102_snorm[i].format;
}
break;
case PIPE_FORMAT_R10G10B10A2_UINT:
case PIPE_FORMAT_B10G10R10A2_UINT:
for (i = 0; i < ARRAY_SIZE(table_1010102_uint); i++) {
if (swizzle[0] == table_1010102_uint[i].swizzle[0] &&
swizzle[1] == table_1010102_uint[i].swizzle[1] &&
swizzle[2] == table_1010102_uint[i].swizzle[2] &&
swizzle[3] == table_1010102_uint[i].swizzle[3])
return table_1010102_uint[i].format;
}
break;
default:
break;
}
return PIPE_FORMAT_NONE;
}
static bool
reinterpret_formats(enum pipe_format *src_format, enum pipe_format *dst_format)
{
enum pipe_format src = *src_format;
enum pipe_format dst = *dst_format;
/* Note: dst_format has already been transformed from luminance/intensity
* to red when this function is called. The source format will never
* be an intensity format, because GL_INTENSITY is not a legal value
* for the format parameter in glTex(Sub)Image(). */
if (format_is_alpha(src)) {
if (!format_is_alpha(dst))
return false;
src = alpha_to_red(src);
dst = alpha_to_red(dst);
} else if (format_is_luminance(src)) {
if (!format_is_red(dst) && !format_is_red_alpha(dst))
return false;
src = util_format_luminance_to_red(src);
} else if (util_format_is_luminance_alpha(src)) {
src = luminance_alpha_to_red_green(src);
if (format_is_red_alpha(dst)) {
dst = red_alpha_to_red_green(dst);
} else if (!format_is_red(dst))
return false;
} else if (format_is_swizzled_rgba(src)) {
const struct util_format_description *src_desc = util_format_description(src);
const struct util_format_description *dst_desc = util_format_description(dst);
int swizzle[4];
unsigned i;
/* Make sure the format is an RGBA and not an RGBX format */
if (src_desc->nr_channels != 4 || src_desc->swizzle[3] == PIPE_SWIZZLE_1)
return false;
if (dst_desc->nr_channels != 4 || dst_desc->swizzle[3] == PIPE_SWIZZLE_1)
return false;
for (i = 0; i < 4; i++)
swizzle[i] = dst_desc->swizzle[src_desc->swizzle[i]];
dst = swizzle_format(dst, swizzle);
if (dst == PIPE_FORMAT_NONE)
return false;
src = unswizzle_format(src);
}
*src_format = src;
*dst_format = dst;
return true;
}
static bool
try_pbo_upload_common(struct gl_context *ctx,
struct pipe_surface *surface,
const struct st_pbo_addresses *addr,
enum pipe_format src_format)
{
struct st_context *st = st_context(ctx);
struct cso_context *cso = st->cso_context;
struct pipe_context *pipe = st->pipe;
bool success = false;
/* Create fragment shader */
if (!st->pbo.upload_fs) {
st->pbo.upload_fs = st_pbo_create_upload_fs(st);
if (!st->pbo.upload_fs)
return false;
}
cso_save_state(cso, (CSO_BIT_FRAGMENT_SAMPLER_VIEWS |
CSO_BIT_FRAGMENT_SAMPLERS |
CSO_BIT_VERTEX_ELEMENTS |
CSO_BIT_AUX_VERTEX_BUFFER_SLOT |
CSO_BIT_FRAMEBUFFER |
CSO_BIT_VIEWPORT |
CSO_BIT_BLEND |
CSO_BIT_DEPTH_STENCIL_ALPHA |
CSO_BIT_RASTERIZER |
CSO_BIT_STREAM_OUTPUTS |
CSO_BIT_PAUSE_QUERIES |
CSO_BITS_ALL_SHADERS));
cso_save_constant_buffer_slot0(cso, PIPE_SHADER_FRAGMENT);
/* Set up the sampler_view */
{
struct pipe_sampler_view templ;
struct pipe_sampler_view *sampler_view;
struct pipe_sampler_state sampler = {0};
const struct pipe_sampler_state *samplers[1] = {&sampler};
memset(&templ, 0, sizeof(templ));
templ.target = PIPE_BUFFER;
templ.format = src_format;
templ.u.buf.offset = addr->first_element * addr->bytes_per_pixel;
templ.u.buf.size = (addr->last_element - addr->first_element + 1) *
addr->bytes_per_pixel;
templ.swizzle_r = PIPE_SWIZZLE_X;
templ.swizzle_g = PIPE_SWIZZLE_Y;
templ.swizzle_b = PIPE_SWIZZLE_Z;
templ.swizzle_a = PIPE_SWIZZLE_W;
sampler_view = pipe->create_sampler_view(pipe, addr->buffer, &templ);
if (sampler_view == NULL)
goto fail;
cso_set_sampler_views(cso, PIPE_SHADER_FRAGMENT, 1, &sampler_view);
pipe_sampler_view_reference(&sampler_view, NULL);
cso_set_samplers(cso, PIPE_SHADER_FRAGMENT, 1, samplers);
}
/* Framebuffer_state */
{
struct pipe_framebuffer_state fb;
memset(&fb, 0, sizeof(fb));
fb.width = surface->width;
fb.height = surface->height;
fb.nr_cbufs = 1;
pipe_surface_reference(&fb.cbufs[0], surface);
cso_set_framebuffer(cso, &fb);
pipe_surface_reference(&fb.cbufs[0], NULL);
}
cso_set_viewport_dims(cso, surface->width, surface->height, FALSE);
/* Blend state */
cso_set_blend(cso, &st->pbo.upload_blend);
/* Depth/stencil/alpha state */
{
struct pipe_depth_stencil_alpha_state dsa;
memset(&dsa, 0, sizeof(dsa));
cso_set_depth_stencil_alpha(cso, &dsa);
}
/* Set up the fragment shader */
cso_set_fragment_shader_handle(cso, st->pbo.upload_fs);
success = st_pbo_draw(st, addr, surface->width, surface->height);
fail:
cso_restore_state(cso);
cso_restore_constant_buffer_slot0(cso, PIPE_SHADER_FRAGMENT);
return success;
}
static bool
try_pbo_upload(struct gl_context *ctx, GLuint dims,
struct gl_texture_image *texImage,
GLenum format, GLenum type,
enum pipe_format dst_format,
GLint xoffset, GLint yoffset, GLint zoffset,
GLint width, GLint height, GLint depth,
const void *pixels,
const struct gl_pixelstore_attrib *unpack)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
struct pipe_resource *texture = stImage->pt;
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
struct pipe_surface *surface = NULL;
struct st_pbo_addresses addr;
enum pipe_format src_format;
const struct util_format_description *desc;
GLenum gl_target = texImage->TexObject->Target;
bool success;
if (!st->pbo.upload_enabled)
return false;
/* From now on, we need the gallium representation of dimensions. */
if (gl_target == GL_TEXTURE_1D_ARRAY) {
depth = height;
height = 1;
zoffset = yoffset;
yoffset = 0;
}
if (depth != 1 && !st->pbo.layers)
return false;
/* Choose the source format. Initially, we do so without checking driver
* support at all because of the remapping we later perform and because
* at least the Radeon driver actually supports some formats for texture
* buffers which it doesn't support for regular textures. */
src_format = st_choose_matching_format(st, 0, format, type, unpack->SwapBytes);
if (!src_format) {
return false;
}
src_format = util_format_linear(src_format);
desc = util_format_description(src_format);
if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
return false;
if (desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB)
return false;
if (st->pbo.rgba_only) {
enum pipe_format orig_dst_format = dst_format;
if (!reinterpret_formats(&src_format, &dst_format)) {
return false;
}
if (dst_format != orig_dst_format &&
!screen->is_format_supported(screen, dst_format, PIPE_TEXTURE_2D, 0,
PIPE_BIND_RENDER_TARGET)) {
return false;
}
}
if (!src_format ||
!screen->is_format_supported(screen, src_format, PIPE_BUFFER, 0,
PIPE_BIND_SAMPLER_VIEW)) {
return false;
}
/* Compute buffer addresses */
addr.xoffset = xoffset;
addr.yoffset = yoffset;
addr.width = width;
addr.height = height;
addr.depth = depth;
addr.bytes_per_pixel = desc->block.bits / 8;
if (!st_pbo_addresses_pixelstore(st, gl_target, dims == 3, unpack, pixels,
&addr))
return false;
/* Set up the surface */
{
unsigned level = stObj->pt != stImage->pt ? 0 : texImage->TexObject->MinLevel + texImage->Level;
unsigned max_layer = util_max_layer(texture, level);
zoffset += texImage->Face + texImage->TexObject->MinLayer;
struct pipe_surface templ;
memset(&templ, 0, sizeof(templ));
templ.format = dst_format;
templ.u.tex.level = level;
templ.u.tex.first_layer = MIN2(zoffset, max_layer);
templ.u.tex.last_layer = MIN2(zoffset + depth - 1, max_layer);
surface = pipe->create_surface(pipe, texture, &templ);
if (!surface)
return false;
}
success = try_pbo_upload_common(ctx, surface, &addr, src_format);
pipe_surface_reference(&surface, NULL);
return success;
}
static void
st_TexSubImage(struct gl_context *ctx, GLuint dims,
struct gl_texture_image *texImage,
GLint xoffset, GLint yoffset, GLint zoffset,
GLint width, GLint height, GLint depth,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *unpack)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
struct pipe_resource *dst = stImage->pt;
struct pipe_resource *src = NULL;
struct pipe_resource src_templ;
struct pipe_transfer *transfer;
struct pipe_blit_info blit;
enum pipe_format src_format, dst_format;
mesa_format mesa_src_format;
GLenum gl_target = texImage->TexObject->Target;
unsigned bind;
GLubyte *map;
unsigned dstz = texImage->Face + texImage->TexObject->MinLayer;
unsigned dst_level = 0;
st_flush_bitmap_cache(st);
st_invalidate_readpix_cache(st);
if (stObj->pt == stImage->pt)
dst_level = texImage->TexObject->MinLevel + texImage->Level;
assert(!_mesa_is_format_etc2(texImage->TexFormat) &&
texImage->TexFormat != MESA_FORMAT_ETC1_RGB8);
if (!dst)
goto fallback;
/* Try texture_subdata, which should be the fastest memcpy path. */
if (pixels &&
!_mesa_is_bufferobj(unpack->BufferObj) &&
_mesa_texstore_can_use_memcpy(ctx, texImage->_BaseFormat,
texImage->TexFormat, format, type,
unpack)) {
struct pipe_box box;
unsigned stride, layer_stride;
void *data;
stride = _mesa_image_row_stride(unpack, width, format, type);
layer_stride = _mesa_image_image_stride(unpack, width, height, format,
type);
data = _mesa_image_address(dims, unpack, pixels, width, height, format,
type, 0, 0, 0);
/* Convert to Gallium coordinates. */
if (gl_target == GL_TEXTURE_1D_ARRAY) {
zoffset = yoffset;
yoffset = 0;
depth = height;
height = 1;
layer_stride = stride;
}
u_box_3d(xoffset, yoffset, zoffset + dstz, width, height, depth, &box);
pipe->texture_subdata(pipe, dst, dst_level, 0,
&box, data, stride, layer_stride);
return;
}
if (!st->prefer_blit_based_texture_transfer) {
goto fallback;
}
/* XXX Fallback for depth-stencil formats due to an incomplete stencil
* blit implementation in some drivers. */
if (format == GL_DEPTH_STENCIL) {
goto fallback;
}
/* If the base internal format and the texture format don't match,
* we can't use blit-based TexSubImage. */
if (texImage->_BaseFormat !=
_mesa_get_format_base_format(texImage->TexFormat)) {
goto fallback;
}
/* See if the destination format is supported. */
if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL)
bind = PIPE_BIND_DEPTH_STENCIL;
else
bind = PIPE_BIND_RENDER_TARGET;
/* For luminance and intensity, only the red channel is stored
* in the destination. */
dst_format = util_format_linear(dst->format);
dst_format = util_format_luminance_to_red(dst_format);
dst_format = util_format_intensity_to_red(dst_format);
if (!dst_format ||
!screen->is_format_supported(screen, dst_format, dst->target,
dst->nr_samples, bind)) {
goto fallback;
}
if (_mesa_is_bufferobj(unpack->BufferObj)) {
if (try_pbo_upload(ctx, dims, texImage, format, type, dst_format,
xoffset, yoffset, zoffset,
width, height, depth, pixels, unpack))
return;
}
/* See if the texture format already matches the format and type,
* in which case the memcpy-based fast path will likely be used and
* we don't have to blit. */
if (_mesa_format_matches_format_and_type(texImage->TexFormat, format,
type, unpack->SwapBytes, NULL)) {
goto fallback;
}
/* Choose the source format. */
src_format = st_choose_matching_format(st, PIPE_BIND_SAMPLER_VIEW,
format, type, unpack->SwapBytes);
if (!src_format) {
goto fallback;
}
mesa_src_format = st_pipe_format_to_mesa_format(src_format);
/* There is no reason to do this if we cannot use memcpy for the temporary
* source texture at least. This also takes transfer ops into account,
* etc. */
if (!_mesa_texstore_can_use_memcpy(ctx,
_mesa_get_format_base_format(mesa_src_format),
mesa_src_format, format, type, unpack)) {
goto fallback;
}
/* TexSubImage only sets a single cubemap face. */
if (gl_target == GL_TEXTURE_CUBE_MAP) {
gl_target = GL_TEXTURE_2D;
}
/* TexSubImage can specify subsets of cube map array faces
* so we need to upload via 2D array instead */
if (gl_target == GL_TEXTURE_CUBE_MAP_ARRAY) {
gl_target = GL_TEXTURE_2D_ARRAY;
}
/* Initialize the source texture description. */
memset(&src_templ, 0, sizeof(src_templ));
src_templ.target = gl_target_to_pipe(gl_target);
src_templ.format = src_format;
src_templ.bind = PIPE_BIND_SAMPLER_VIEW;
src_templ.usage = PIPE_USAGE_STAGING;
st_gl_texture_dims_to_pipe_dims(gl_target, width, height, depth,
&src_templ.width0, &src_templ.height0,
&src_templ.depth0, &src_templ.array_size);
/* Check for NPOT texture support. */
if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES) &&
(!util_is_power_of_two(src_templ.width0) ||
!util_is_power_of_two(src_templ.height0) ||
!util_is_power_of_two(src_templ.depth0))) {
goto fallback;
}
/* Create the source texture. */
src = screen->resource_create(screen, &src_templ);
if (!src) {
goto fallback;
}
/* Map source pixels. */
pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
format, type, pixels, unpack,
"glTexSubImage");
if (!pixels) {
/* This is a GL error. */
pipe_resource_reference(&src, NULL);
return;
}
/* From now on, we need the gallium representation of dimensions. */
if (gl_target == GL_TEXTURE_1D_ARRAY) {
zoffset = yoffset;
yoffset = 0;
depth = height;
height = 1;
}
map = pipe_transfer_map_3d(pipe, src, 0, PIPE_TRANSFER_WRITE, 0, 0, 0,
width, height, depth, &transfer);
if (!map) {
_mesa_unmap_teximage_pbo(ctx, unpack);
pipe_resource_reference(&src, NULL);
goto fallback;
}
/* Upload pixels (just memcpy). */
{
const uint bytesPerRow = width * util_format_get_blocksize(src_format);
GLuint row, slice;
for (slice = 0; slice < (unsigned) depth; slice++) {
if (gl_target == GL_TEXTURE_1D_ARRAY) {
/* 1D array textures.
* We need to convert gallium coords to GL coords.
*/
void *src = _mesa_image_address2d(unpack, pixels,
width, depth, format,
type, slice, 0);
memcpy(map, src, bytesPerRow);
}
else {
ubyte *slice_map = map;
for (row = 0; row < (unsigned) height; row++) {
void *src = _mesa_image_address(dims, unpack, pixels,
width, height, format,
type, slice, row, 0);
memcpy(slice_map, src, bytesPerRow);
slice_map += transfer->stride;
}
}
map += transfer->layer_stride;
}
}
pipe_transfer_unmap(pipe, transfer);
_mesa_unmap_teximage_pbo(ctx, unpack);
/* Blit. */
memset(&blit, 0, sizeof(blit));
blit.src.resource = src;
blit.src.level = 0;
blit.src.format = src_format;
blit.dst.resource = dst;
blit.dst.level = dst_level;
blit.dst.format = dst_format;
blit.src.box.x = blit.src.box.y = blit.src.box.z = 0;
blit.dst.box.x = xoffset;
blit.dst.box.y = yoffset;
blit.dst.box.z = zoffset + dstz;
blit.src.box.width = blit.dst.box.width = width;
blit.src.box.height = blit.dst.box.height = height;
blit.src.box.depth = blit.dst.box.depth = depth;
blit.mask = st_get_blit_mask(format, texImage->_BaseFormat);
blit.filter = PIPE_TEX_FILTER_NEAREST;
blit.scissor_enable = FALSE;
st->pipe->blit(st->pipe, &blit);
pipe_resource_reference(&src, NULL);
return;
fallback:
_mesa_store_texsubimage(ctx, dims, texImage, xoffset, yoffset, zoffset,
width, height, depth, format, type, pixels,
unpack);
}
static void
st_TexImage(struct gl_context * ctx, GLuint dims,
struct gl_texture_image *texImage,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *unpack)
{
assert(dims == 1 || dims == 2 || dims == 3);
prep_teximage(ctx, texImage, format, type);
if (texImage->Width == 0 || texImage->Height == 0 || texImage->Depth == 0)
return;
/* allocate storage for texture data */
if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage)) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
return;
}
st_TexSubImage(ctx, dims, texImage, 0, 0, 0,
texImage->Width, texImage->Height, texImage->Depth,
format, type, pixels, unpack);
}
static void
st_CompressedTexSubImage(struct gl_context *ctx, GLuint dims,
struct gl_texture_image *texImage,
GLint x, GLint y, GLint z,
GLsizei w, GLsizei h, GLsizei d,
GLenum format, GLsizei imageSize, const void *data)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
struct pipe_resource *texture = stImage->pt;
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
struct pipe_resource *dst = stImage->pt;
struct pipe_surface *surface = NULL;
struct compressed_pixelstore store;
struct st_pbo_addresses addr;
enum pipe_format copy_format;
unsigned bw, bh;
intptr_t buf_offset;
bool success = false;
/* Check basic pre-conditions for PBO upload */
if (!st->prefer_blit_based_texture_transfer) {
goto fallback;
}
if (!_mesa_is_bufferobj(ctx->Unpack.BufferObj))
goto fallback;
if (st_etc_fallback(st, texImage)) {
/* ETC isn't supported and is represented by uncompressed formats. */
goto fallback;
}
if (!dst) {
goto fallback;
}
if (!st->pbo.upload_enabled ||
!screen->get_param(screen, PIPE_CAP_SURFACE_REINTERPRET_BLOCKS)) {
goto fallback;
}
/* Choose the pipe format for the upload. */
addr.bytes_per_pixel = util_format_get_blocksize(dst->format);
bw = util_format_get_blockwidth(dst->format);
bh = util_format_get_blockheight(dst->format);
switch (addr.bytes_per_pixel) {
case 8:
copy_format = PIPE_FORMAT_R16G16B16A16_UINT;
break;
case 16:
copy_format = PIPE_FORMAT_R32G32B32A32_UINT;
break;
default:
goto fallback;
}
if (!screen->is_format_supported(screen, copy_format, PIPE_BUFFER, 0,
PIPE_BIND_SAMPLER_VIEW)) {
goto fallback;
}
if (!screen->is_format_supported(screen, copy_format, dst->target,
dst->nr_samples, PIPE_BIND_RENDER_TARGET)) {
goto fallback;
}
/* Interpret the pixelstore settings. */
_mesa_compute_compressed_pixelstore(dims, texImage->TexFormat, w, h, d,
&ctx->Unpack, &store);
assert(store.CopyBytesPerRow % addr.bytes_per_pixel == 0);
assert(store.SkipBytes % addr.bytes_per_pixel == 0);
/* Compute the offset into the buffer */
buf_offset = (intptr_t)data + store.SkipBytes;
if (buf_offset % addr.bytes_per_pixel) {
goto fallback;
}
buf_offset = buf_offset / addr.bytes_per_pixel;
addr.xoffset = x / bw;
addr.yoffset = y / bh;
addr.width = store.CopyBytesPerRow / addr.bytes_per_pixel;
addr.height = store.CopyRowsPerSlice;
addr.depth = d;
addr.pixels_per_row = store.TotalBytesPerRow / addr.bytes_per_pixel;
addr.image_height = store.TotalRowsPerSlice;
if (!st_pbo_addresses_setup(st, st_buffer_object(ctx->Unpack.BufferObj)->buffer,
buf_offset, &addr))
goto fallback;
/* Set up the surface. */
{
unsigned level = stObj->pt != stImage->pt ? 0 : texImage->TexObject->MinLevel + texImage->Level;
unsigned max_layer = util_max_layer(texture, level);
z += texImage->Face + texImage->TexObject->MinLayer;
struct pipe_surface templ;
memset(&templ, 0, sizeof(templ));
templ.format = copy_format;
templ.u.tex.level = level;
templ.u.tex.first_layer = MIN2(z, max_layer);
templ.u.tex.last_layer = MIN2(z + d - 1, max_layer);
surface = pipe->create_surface(pipe, texture, &templ);
if (!surface)
goto fallback;
}
success = try_pbo_upload_common(ctx, surface, &addr, copy_format);
pipe_surface_reference(&surface, NULL);
if (success)
return;
fallback:
_mesa_store_compressed_texsubimage(ctx, dims, texImage,
x, y, z, w, h, d,
format, imageSize, data);
}
static void
st_CompressedTexImage(struct gl_context *ctx, GLuint dims,
struct gl_texture_image *texImage,
GLsizei imageSize, const void *data)
{
prep_teximage(ctx, texImage, GL_NONE, GL_NONE);
/* only 2D and 3D compressed images are supported at this time */
if (dims == 1) {
_mesa_problem(ctx, "Unexpected glCompressedTexImage1D call");
return;
}
/* This is pretty simple, because unlike the general texstore path we don't
* have to worry about the usual image unpacking or image transfer
* operations.
*/
assert(texImage);
assert(texImage->Width > 0);
assert(texImage->Height > 0);
assert(texImage->Depth > 0);
/* allocate storage for texture data */
if (!st_AllocTextureImageBuffer(ctx, texImage)) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage%uD", dims);
return;
}
st_CompressedTexSubImage(ctx, dims, texImage,
0, 0, 0,
texImage->Width, texImage->Height, texImage->Depth,
texImage->TexFormat,
imageSize, data);
}
/**
* Called via ctx->Driver.GetTexSubImage()
*
* This uses a blit to copy the texture to a texture format which matches
* the format and type combo and then a fast read-back is done using memcpy.
* We can do arbitrary X/Y/Z/W/0/1 swizzling here as long as there is
* a format which matches the swizzling.
*
* If such a format isn't available, it falls back to _mesa_GetTexImage_sw.
*
* NOTE: Drivers usually do a blit to convert between tiled and linear
* texture layouts during texture uploads/downloads, so the blit
* we do here should be free in such cases.
*/
static void
st_GetTexSubImage(struct gl_context * ctx,
GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLint depth,
GLenum format, GLenum type, void * pixels,
struct gl_texture_image *texImage)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
struct pipe_resource *src = stObj->pt;
struct pipe_resource *dst = NULL;
struct pipe_resource dst_templ;
enum pipe_format dst_format, src_format;
mesa_format mesa_format;
GLenum gl_target = texImage->TexObject->Target;
enum pipe_texture_target pipe_target;
struct pipe_blit_info blit;
unsigned bind;
struct pipe_transfer *tex_xfer;
ubyte *map = NULL;
boolean done = FALSE;
assert(!_mesa_is_format_etc2(texImage->TexFormat) &&
texImage->TexFormat != MESA_FORMAT_ETC1_RGB8);
st_flush_bitmap_cache(st);
if (!st->prefer_blit_based_texture_transfer &&
!_mesa_is_format_compressed(texImage->TexFormat)) {
/* Try to avoid the fallback if we're doing texture decompression here */
goto fallback;
}
/* Handle non-finalized textures. */
if (!stImage->pt || stImage->pt != stObj->pt || !src) {
goto fallback;
}
/* XXX Fallback to _mesa_GetTexImage_sw for depth-stencil formats
* due to an incomplete stencil blit implementation in some drivers. */
if (format == GL_DEPTH_STENCIL || format == GL_STENCIL_INDEX) {
goto fallback;
}
/* If the base internal format and the texture format don't match, we have
* to fall back to _mesa_GetTexImage_sw. */
if (texImage->_BaseFormat !=
_mesa_get_format_base_format(texImage->TexFormat)) {
goto fallback;
}
/* See if the texture format already matches the format and type,
* in which case the memcpy-based fast path will be used. */
if (_mesa_format_matches_format_and_type(texImage->TexFormat, format,
type, ctx->Pack.SwapBytes, NULL)) {
goto fallback;
}
/* Convert the source format to what is expected by GetTexImage
* and see if it's supported.
*
* This only applies to glGetTexImage:
* - Luminance must be returned as (L,0,0,1).
* - Luminance alpha must be returned as (L,0,0,A).
* - Intensity must be returned as (I,0,0,1)
*/
if (stObj->surface_based)
src_format = util_format_linear(stObj->surface_format);
else
src_format = util_format_linear(src->format);
src_format = util_format_luminance_to_red(src_format);
src_format = util_format_intensity_to_red(src_format);
if (!src_format ||
!screen->is_format_supported(screen, src_format, src->target,
src->nr_samples,
PIPE_BIND_SAMPLER_VIEW)) {
goto fallback;
}
if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL)
bind = PIPE_BIND_DEPTH_STENCIL;
else
bind = PIPE_BIND_RENDER_TARGET;
/* GetTexImage only returns a single face for cubemaps. */
if (gl_target == GL_TEXTURE_CUBE_MAP) {
gl_target = GL_TEXTURE_2D;
}
pipe_target = gl_target_to_pipe(gl_target);
/* Choose the destination format by finding the best match
* for the format+type combo. */
dst_format = st_choose_matching_format(st, bind, format, type,
ctx->Pack.SwapBytes);
if (dst_format == PIPE_FORMAT_NONE) {
GLenum dst_glformat;
/* Fall back to _mesa_GetTexImage_sw except for compressed formats,
* where decompression with a blit is always preferred. */
if (!util_format_is_compressed(src->format)) {
goto fallback;
}
/* Set the appropriate format for the decompressed texture.
* Luminance and sRGB formats shouldn't appear here.*/
switch (src_format) {
case PIPE_FORMAT_DXT1_RGB:
case PIPE_FORMAT_DXT1_RGBA:
case PIPE_FORMAT_DXT3_RGBA:
case PIPE_FORMAT_DXT5_RGBA:
case PIPE_FORMAT_RGTC1_UNORM:
case PIPE_FORMAT_RGTC2_UNORM:
case PIPE_FORMAT_ETC1_RGB8:
case PIPE_FORMAT_BPTC_RGBA_UNORM:
dst_glformat = GL_RGBA8;
break;
case PIPE_FORMAT_RGTC1_SNORM:
case PIPE_FORMAT_RGTC2_SNORM:
if (!ctx->Extensions.EXT_texture_snorm)
goto fallback;
dst_glformat = GL_RGBA8_SNORM;
break;
case PIPE_FORMAT_BPTC_RGB_FLOAT:
case PIPE_FORMAT_BPTC_RGB_UFLOAT:
if (!ctx->Extensions.ARB_texture_float)
goto fallback;
dst_glformat = GL_RGBA32F;
break;
default:
assert(0);
goto fallback;
}
dst_format = st_choose_format(st, dst_glformat, format, type,
pipe_target, 0, bind, FALSE);
if (dst_format == PIPE_FORMAT_NONE) {
/* unable to get an rgba format!?! */
goto fallback;
}
}
/* create the destination texture of size (width X height X depth) */
memset(&dst_templ, 0, sizeof(dst_templ));
dst_templ.target = pipe_target;
dst_templ.format = dst_format;
dst_templ.bind = bind;
dst_templ.usage = PIPE_USAGE_STAGING;
st_gl_texture_dims_to_pipe_dims(gl_target, width, height, depth,
&dst_templ.width0, &dst_templ.height0,
&dst_templ.depth0, &dst_templ.array_size);
dst = screen->resource_create(screen, &dst_templ);
if (!dst) {
goto fallback;
}
/* From now on, we need the gallium representation of dimensions. */
if (gl_target == GL_TEXTURE_1D_ARRAY) {
zoffset = yoffset;
yoffset = 0;
depth = height;
height = 1;
}
assert(texImage->Face == 0 ||
texImage->TexObject->MinLayer == 0 ||
zoffset == 0);
memset(&blit, 0, sizeof(blit));
blit.src.resource = src;
blit.src.level = texImage->Level + texImage->TexObject->MinLevel;
blit.src.format = src_format;
blit.dst.resource = dst;
blit.dst.level = 0;
blit.dst.format = dst->format;
blit.src.box.x = xoffset;
blit.dst.box.x = 0;
blit.src.box.y = yoffset;
blit.dst.box.y = 0;
blit.src.box.z = texImage->Face + texImage->TexObject->MinLayer + zoffset;
blit.dst.box.z = 0;
blit.src.box.width = blit.dst.box.width = width;
blit.src.box.height = blit.dst.box.height = height;
blit.src.box.depth = blit.dst.box.depth = depth;
blit.mask = st_get_blit_mask(texImage->_BaseFormat, format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
blit.scissor_enable = FALSE;
/* blit/render/decompress */
st->pipe->blit(st->pipe, &blit);
pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels);
map = pipe_transfer_map_3d(pipe, dst, 0, PIPE_TRANSFER_READ,
0, 0, 0, width, height, depth, &tex_xfer);
if (!map) {
goto end;
}
mesa_format = st_pipe_format_to_mesa_format(dst_format);
/* copy/pack data into user buffer */
if (_mesa_format_matches_format_and_type(mesa_format, format, type,
ctx->Pack.SwapBytes, NULL)) {
/* memcpy */
const uint bytesPerRow = width * util_format_get_blocksize(dst_format);
GLuint row, slice;
for (slice = 0; slice < depth; slice++) {
if (gl_target == GL_TEXTURE_1D_ARRAY) {
/* 1D array textures.
* We need to convert gallium coords to GL coords.
*/
void *dest = _mesa_image_address3d(&ctx->Pack, pixels,
width, depth, format,
type, 0, slice, 0);
memcpy(dest, map, bytesPerRow);
}
else {
ubyte *slice_map = map;
for (row = 0; row < height; row++) {
void *dest = _mesa_image_address3d(&ctx->Pack, pixels,
width, height, format,
type, slice, row, 0);
memcpy(dest, slice_map, bytesPerRow);
slice_map += tex_xfer->stride;
}
}
map += tex_xfer->layer_stride;
}
}
else {
/* format translation via floats */
GLuint row, slice;
GLfloat *rgba;
uint32_t dstMesaFormat;
int dstStride, srcStride;
assert(util_format_is_compressed(src->format));
rgba = malloc(width * 4 * sizeof(GLfloat));
if (!rgba) {
goto end;
}
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback format translation\n", __func__);
dstMesaFormat = _mesa_format_from_format_and_type(format, type);
dstStride = _mesa_image_row_stride(&ctx->Pack, width, format, type);
srcStride = 4 * width * sizeof(GLfloat);
for (slice = 0; slice < depth; slice++) {
if (gl_target == GL_TEXTURE_1D_ARRAY) {
/* 1D array textures.
* We need to convert gallium coords to GL coords.
*/
void *dest = _mesa_image_address3d(&ctx->Pack, pixels,
width, depth, format,
type, 0, slice, 0);
/* get float[4] rgba row from surface */
pipe_get_tile_rgba_format(tex_xfer, map, 0, 0, width, 1,
dst_format, rgba);
_mesa_format_convert(dest, dstMesaFormat, dstStride,
rgba, RGBA32_FLOAT, srcStride,
width, 1, NULL);
}
else {
for (row = 0; row < height; row++) {
void *dest = _mesa_image_address3d(&ctx->Pack, pixels,
width, height, format,
type, slice, row, 0);
/* get float[4] rgba row from surface */
pipe_get_tile_rgba_format(tex_xfer, map, 0, row, width, 1,
dst_format, rgba);
_mesa_format_convert(dest, dstMesaFormat, dstStride,
rgba, RGBA32_FLOAT, srcStride,
width, 1, NULL);
}
}
map += tex_xfer->layer_stride;
}
free(rgba);
}
done = TRUE;
end:
if (map)
pipe_transfer_unmap(pipe, tex_xfer);
_mesa_unmap_pbo_dest(ctx, &ctx->Pack);
pipe_resource_reference(&dst, NULL);
fallback:
if (!done) {
_mesa_GetTexSubImage_sw(ctx, xoffset, yoffset, zoffset,
width, height, depth,
format, type, pixels, texImage);
}
}
/**
* Do a CopyTexSubImage operation using a read transfer from the source,
* a write transfer to the destination and get_tile()/put_tile() to access
* the pixels/texels.
*
* Note: srcY=0=TOP of renderbuffer
*/
static void
fallback_copy_texsubimage(struct gl_context *ctx,
struct st_renderbuffer *strb,
struct st_texture_image *stImage,
GLenum baseFormat,
GLint destX, GLint destY, GLint slice,
GLint srcX, GLint srcY,
GLsizei width, GLsizei height)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_transfer *src_trans;
GLubyte *texDest;
enum pipe_transfer_usage transfer_usage;
void *map;
unsigned dst_width = width;
unsigned dst_height = height;
unsigned dst_depth = 1;
struct pipe_transfer *transfer;
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback processing\n", __func__);
if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
srcY = strb->Base.Height - srcY - height;
}
map = pipe_transfer_map(pipe,
strb->texture,
strb->surface->u.tex.level,
strb->surface->u.tex.first_layer,
PIPE_TRANSFER_READ,
srcX, srcY,
width, height, &src_trans);
if ((baseFormat == GL_DEPTH_COMPONENT ||
baseFormat == GL_DEPTH_STENCIL) &&
util_format_is_depth_and_stencil(stImage->pt->format))
transfer_usage = PIPE_TRANSFER_READ_WRITE;
else
transfer_usage = PIPE_TRANSFER_WRITE;
texDest = st_texture_image_map(st, stImage, transfer_usage,
destX, destY, slice,
dst_width, dst_height, dst_depth,
&transfer);
if (baseFormat == GL_DEPTH_COMPONENT ||
baseFormat == GL_DEPTH_STENCIL) {
const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F ||
ctx->Pixel.DepthBias != 0.0F);
GLint row, yStep;
uint *data;
/* determine bottom-to-top vs. top-to-bottom order for src buffer */
if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
srcY = height - 1;
yStep = -1;
}
else {
srcY = 0;
yStep = 1;
}
data = malloc(width * sizeof(uint));
if (data) {
/* To avoid a large temp memory allocation, do copy row by row */
for (row = 0; row < height; row++, srcY += yStep) {
pipe_get_tile_z(src_trans, map, 0, srcY, width, 1, data);
if (scaleOrBias) {
_mesa_scale_and_bias_depth_uint(ctx, width, data);
}
if (stImage->pt->target == PIPE_TEXTURE_1D_ARRAY) {
pipe_put_tile_z(transfer, texDest + row*transfer->layer_stride,
0, 0, width, 1, data);
}
else {
pipe_put_tile_z(transfer, texDest, 0, row, width, 1, data);
}
}
}
else {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage()");
}
free(data);
}
else {
/* RGBA format */
GLfloat *tempSrc =
malloc(width * height * 4 * sizeof(GLfloat));
if (tempSrc && texDest) {
const GLint dims = 2;
GLint dstRowStride;
struct gl_texture_image *texImage = &stImage->base;
struct gl_pixelstore_attrib unpack = ctx->DefaultPacking;
if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
unpack.Invert = GL_TRUE;
}
if (stImage->pt->target == PIPE_TEXTURE_1D_ARRAY) {
dstRowStride = transfer->layer_stride;
}
else {
dstRowStride = transfer->stride;
}
/* get float/RGBA image from framebuffer */
/* XXX this usually involves a lot of int/float conversion.
* try to avoid that someday.
*/
pipe_get_tile_rgba_format(src_trans, map, 0, 0, width, height,
util_format_linear(strb->texture->format),
tempSrc);
/* Store into texture memory.
* Note that this does some special things such as pixel transfer
* ops and format conversion. In particular, if the dest tex format
* is actually RGBA but the user created the texture as GL_RGB we
* need to fill-in/override the alpha channel with 1.0.
*/
_mesa_texstore(ctx, dims,
texImage->_BaseFormat,
texImage->TexFormat,
dstRowStride,
&texDest,
width, height, 1,
GL_RGBA, GL_FLOAT, tempSrc, /* src */
&unpack);
}
else {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
}
free(tempSrc);
}
st_texture_image_unmap(st, stImage, slice);
pipe->transfer_unmap(pipe, src_trans);
}
/**
* Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
* Note that the region to copy has already been clipped so we know we
* won't read from outside the source renderbuffer's bounds.
*
* Note: srcY=0=Bottom of renderbuffer (GL convention)
*/
static void
st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
struct gl_texture_image *texImage,
GLint destX, GLint destY, GLint slice,
struct gl_renderbuffer *rb,
GLint srcX, GLint srcY, GLsizei width, GLsizei height)
{
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
struct st_renderbuffer *strb = st_renderbuffer(rb);
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
struct pipe_blit_info blit;
enum pipe_format dst_format;
GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP);
unsigned bind;
GLint srcY0, srcY1;
st_flush_bitmap_cache(st);
st_invalidate_readpix_cache(st);
assert(!_mesa_is_format_etc2(texImage->TexFormat) &&
texImage->TexFormat != MESA_FORMAT_ETC1_RGB8);
if (!strb || !strb->surface || !stImage->pt) {
debug_printf("%s: null strb or stImage\n", __func__);
return;
}
if (_mesa_texstore_needs_transfer_ops(ctx, texImage->_BaseFormat,
texImage->TexFormat)) {
goto fallback;
}
/* The base internal format must match the mesa format, so make sure
* e.g. an RGB internal format is really allocated as RGB and not as RGBA.
*/
if (texImage->_BaseFormat !=
_mesa_get_format_base_format(texImage->TexFormat) ||
rb->_BaseFormat != _mesa_get_format_base_format(rb->Format)) {
goto fallback;
}
/* Choose the destination format to match the TexImage behavior. */
dst_format = util_format_linear(stImage->pt->format);
dst_format = util_format_luminance_to_red(dst_format);
dst_format = util_format_intensity_to_red(dst_format);
/* See if the destination format is supported. */
if (texImage->_BaseFormat == GL_DEPTH_STENCIL ||
texImage->_BaseFormat == GL_DEPTH_COMPONENT) {
bind = PIPE_BIND_DEPTH_STENCIL;
}
else {
bind = PIPE_BIND_RENDER_TARGET;
}
if (!dst_format ||
!screen->is_format_supported(screen, dst_format, stImage->pt->target,
stImage->pt->nr_samples, bind)) {
goto fallback;
}
/* Y flipping for the main framebuffer. */
if (do_flip) {
srcY1 = strb->Base.Height - srcY - height;
srcY0 = srcY1 + height;
}
else {
srcY0 = srcY;
srcY1 = srcY0 + height;
}
/* Blit the texture.
* This supports flipping, format conversions, and downsampling.
*/
memset(&blit, 0, sizeof(blit));
blit.src.resource = strb->texture;
blit.src.format = util_format_linear(strb->surface->format);
blit.src.level = strb->surface->u.tex.level;
blit.src.box.x = srcX;
blit.src.box.y = srcY0;
blit.src.box.z = strb->surface->u.tex.first_layer;
blit.src.box.width = width;
blit.src.box.height = srcY1 - srcY0;
blit.src.box.depth = 1;
blit.dst.resource = stImage->pt;
blit.dst.format = dst_format;
blit.dst.level = stObj->pt != stImage->pt ? 0 : texImage->Level + texImage->TexObject->MinLevel;
blit.dst.box.x = destX;
blit.dst.box.y = destY;
blit.dst.box.z = stImage->base.Face + slice + texImage->TexObject->MinLayer;
blit.dst.box.width = width;
blit.dst.box.height = height;
blit.dst.box.depth = 1;
blit.mask = st_get_blit_mask(rb->_BaseFormat, texImage->_BaseFormat);
blit.filter = PIPE_TEX_FILTER_NEAREST;
pipe->blit(pipe, &blit);
return;
fallback:
/* software fallback */
fallback_copy_texsubimage(ctx,
strb, stImage, texImage->_BaseFormat,
destX, destY, slice,
srcX, srcY, width, height);
}
/**
* Copy image data from stImage into the texture object 'stObj' at level
* 'dstLevel'.
*/
static void
copy_image_data_to_texture(struct st_context *st,
struct st_texture_object *stObj,
GLuint dstLevel,
struct st_texture_image *stImage)
{
/* debug checks */
{
const struct gl_texture_image *dstImage =
stObj->base.Image[stImage->base.Face][dstLevel];
assert(dstImage);
assert(dstImage->Width == stImage->base.Width);
assert(dstImage->Height == stImage->base.Height);
assert(dstImage->Depth == stImage->base.Depth);
}
if (stImage->pt) {
/* Copy potentially with the blitter:
*/
GLuint src_level;
if (stImage->pt->last_level == 0)
src_level = 0;
else
src_level = stImage->base.Level;
assert(src_level <= stImage->pt->last_level);
assert(u_minify(stImage->pt->width0, src_level) == stImage->base.Width);
assert(stImage->pt->target == PIPE_TEXTURE_1D_ARRAY ||
u_minify(stImage->pt->height0, src_level) == stImage->base.Height);
assert(stImage->pt->target == PIPE_TEXTURE_2D_ARRAY ||
stImage->pt->target == PIPE_TEXTURE_CUBE_ARRAY ||
u_minify(stImage->pt->depth0, src_level) == stImage->base.Depth);
st_texture_image_copy(st->pipe,
stObj->pt, dstLevel, /* dest texture, level */
stImage->pt, src_level, /* src texture, level */
stImage->base.Face);
pipe_resource_reference(&stImage->pt, NULL);
}
pipe_resource_reference(&stImage->pt, stObj->pt);
}
/**
* Called during state validation. When this function is finished,
* the texture object should be ready for rendering.
* \return GL_TRUE for success, GL_FALSE for failure (out of mem)
*/
GLboolean
st_finalize_texture(struct gl_context *ctx,
struct pipe_context *pipe,
struct gl_texture_object *tObj)
{
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(tObj);
const GLuint nr_faces = _mesa_num_tex_faces(stObj->base.Target);
GLuint face;
const struct st_texture_image *firstImage;
enum pipe_format firstImageFormat;
GLuint ptWidth, ptHeight, ptDepth, ptLayers, ptNumSamples;
if (tObj->Immutable)
return GL_TRUE;
if (_mesa_is_texture_complete(tObj, &tObj->Sampler)) {
/* The texture is complete and we know exactly how many mipmap levels
* are present/needed. This is conditional because we may be called
* from the st_generate_mipmap() function when the texture object is
* incomplete. In that case, we'll have set stObj->lastLevel before
* we get here.
*/
if (stObj->base.Sampler.MinFilter == GL_LINEAR ||
stObj->base.Sampler.MinFilter == GL_NEAREST)
stObj->lastLevel = stObj->base.BaseLevel;
else
stObj->lastLevel = stObj->base._MaxLevel;
}
if (tObj->Target == GL_TEXTURE_BUFFER) {
struct st_buffer_object *st_obj = st_buffer_object(tObj->BufferObject);
if (!st_obj) {
pipe_resource_reference(&stObj->pt, NULL);
st_texture_release_all_sampler_views(st, stObj);
return GL_TRUE;
}
if (st_obj->buffer != stObj->pt) {
pipe_resource_reference(&stObj->pt, st_obj->buffer);
st_texture_release_all_sampler_views(st, stObj);
}
return GL_TRUE;
}
firstImage = st_texture_image_const(_mesa_base_tex_image(&stObj->base));
assert(firstImage);
/* If both firstImage and stObj point to a texture which can contain
* all active images, favour firstImage. Note that because of the
* completeness requirement, we know that the image dimensions
* will match.
*/
if (firstImage->pt &&
firstImage->pt != stObj->pt &&
(!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) {
pipe_resource_reference(&stObj->pt, firstImage->pt);
st_texture_release_all_sampler_views(st, stObj);
}
/* If this texture comes from a window system, there is nothing else to do. */
if (stObj->surface_based) {
return GL_TRUE;
}
/* Find gallium format for the Mesa texture */
firstImageFormat =
st_mesa_format_to_pipe_format(st, firstImage->base.TexFormat);
/* Find size of level=0 Gallium mipmap image, plus number of texture layers */
{
GLuint width, height, depth;
st_gl_texture_dims_to_pipe_dims(stObj->base.Target,
firstImage->base.Width2,
firstImage->base.Height2,
firstImage->base.Depth2,
&width, &height, &depth, &ptLayers);
/* If we previously allocated a pipe texture and its sizes are
* compatible, use them.
*/
if (stObj->pt &&
u_minify(stObj->pt->width0, firstImage->base.Level) == width &&
u_minify(stObj->pt->height0, firstImage->base.Level) == height &&
u_minify(stObj->pt->depth0, firstImage->base.Level) == depth) {
ptWidth = stObj->pt->width0;
ptHeight = stObj->pt->height0;
ptDepth = stObj->pt->depth0;
} else {
/* Otherwise, compute a new level=0 size that is compatible with the
* base level image.
*/
ptWidth = width > 1 ? width << firstImage->base.Level : 1;
ptHeight = height > 1 ? height << firstImage->base.Level : 1;
ptDepth = depth > 1 ? depth << firstImage->base.Level : 1;
/* If the base level image is 1x1x1, we still need to ensure that the
* resulting pipe texture ends up with the required number of levels
* in total.
*/
if (ptWidth == 1 && ptHeight == 1 && ptDepth == 1) {
ptWidth <<= firstImage->base.Level;
if (stObj->base.Target == GL_TEXTURE_CUBE_MAP ||
stObj->base.Target == GL_TEXTURE_CUBE_MAP_ARRAY)
ptHeight = ptWidth;
}
}
ptNumSamples = firstImage->base.NumSamples;
}
/* If we already have a gallium texture, check that it matches the texture
* object's format, target, size, num_levels, etc.
*/
if (stObj->pt) {
if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) ||
stObj->pt->format != firstImageFormat ||
stObj->pt->last_level < stObj->lastLevel ||
stObj->pt->width0 != ptWidth ||
stObj->pt->height0 != ptHeight ||
stObj->pt->depth0 != ptDepth ||
stObj->pt->nr_samples != ptNumSamples ||
stObj->pt->array_size != ptLayers)
{
/* The gallium texture does not match the Mesa texture so delete the
* gallium texture now. We'll make a new one below.
*/
pipe_resource_reference(&stObj->pt, NULL);
st_texture_release_all_sampler_views(st, stObj);
st->dirty |= ST_NEW_FRAMEBUFFER;
}
}
/* May need to create a new gallium texture:
*/
if (!stObj->pt) {
GLuint bindings = default_bindings(st, firstImageFormat);
stObj->pt = st_texture_create(st,
gl_target_to_pipe(stObj->base.Target),
firstImageFormat,
stObj->lastLevel,
ptWidth,
ptHeight,
ptDepth,
ptLayers, ptNumSamples,
bindings);
if (!stObj->pt) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
return GL_FALSE;
}
}
/* Pull in any images not in the object's texture:
*/
for (face = 0; face < nr_faces; face++) {
GLuint level;
for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) {
struct st_texture_image *stImage =
st_texture_image(stObj->base.Image[face][level]);
/* Need to import images in main memory or held in other textures.
*/
if (stImage && stObj->pt != stImage->pt) {
GLuint height;
GLuint depth;
if (stObj->base.Target != GL_TEXTURE_1D_ARRAY)
height = u_minify(ptHeight, level);
else
height = ptLayers;
if (stObj->base.Target == GL_TEXTURE_3D)
depth = u_minify(ptDepth, level);
else if (stObj->base.Target == GL_TEXTURE_CUBE_MAP)
depth = 1;
else
depth = ptLayers;
if (level == 0 ||
(stImage->base.Width == u_minify(ptWidth, level) &&
stImage->base.Height == height &&
stImage->base.Depth == depth)) {
/* src image fits expected dest mipmap level size */
copy_image_data_to_texture(st, stObj, level, stImage);
}
}
}
}
return GL_TRUE;
}
/**
* Called via ctx->Driver.AllocTextureStorage() to allocate texture memory
* for a whole mipmap stack.
*/
static GLboolean
st_AllocTextureStorage(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLsizei levels, GLsizei width,
GLsizei height, GLsizei depth)
{
const GLuint numFaces = _mesa_num_tex_faces(texObj->Target);
struct gl_texture_image *texImage = texObj->Image[0][0];
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
struct pipe_screen *screen = st->pipe->screen;
GLuint ptWidth, ptHeight, ptDepth, ptLayers, bindings;
enum pipe_format fmt;
GLint level;
GLuint num_samples = texImage->NumSamples;
assert(levels > 0);
stObj->lastLevel = levels - 1;
fmt = st_mesa_format_to_pipe_format(st, texImage->TexFormat);
bindings = default_bindings(st, fmt);
/* Raise the sample count if the requested one is unsupported. */
if (num_samples > 1) {
boolean found = FALSE;
for (; num_samples <= ctx->Const.MaxSamples; num_samples++) {
if (screen->is_format_supported(screen, fmt, PIPE_TEXTURE_2D,
num_samples,
PIPE_BIND_SAMPLER_VIEW)) {
/* Update the sample count in gl_texture_image as well. */
texImage->NumSamples = num_samples;
found = TRUE;
break;
}
}
if (!found) {
return GL_FALSE;
}
}
st_gl_texture_dims_to_pipe_dims(texObj->Target,
width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
stObj->pt = st_texture_create(st,
gl_target_to_pipe(texObj->Target),
fmt,
levels - 1,
ptWidth,
ptHeight,
ptDepth,
ptLayers, num_samples,
bindings);
if (!stObj->pt)
return GL_FALSE;
/* Set image resource pointers */
for (level = 0; level < levels; level++) {
GLuint face;
for (face = 0; face < numFaces; face++) {
struct st_texture_image *stImage =
st_texture_image(texObj->Image[face][level]);
pipe_resource_reference(&stImage->pt, stObj->pt);
etc_fallback_allocate(st, stImage);
}
}
return GL_TRUE;
}
static GLboolean
st_TestProxyTexImage(struct gl_context *ctx, GLenum target,
GLuint numLevels, GLint level,
mesa_format format, GLuint numSamples,
GLint width, GLint height, GLint depth)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
if (width == 0 || height == 0 || depth == 0) {
/* zero-sized images are legal, and always fit! */
return GL_TRUE;
}
if (pipe->screen->can_create_resource) {
/* Ask the gallium driver if the texture is too large */
struct gl_texture_object *texObj =
_mesa_get_current_tex_object(ctx, target);
struct pipe_resource pt;
/* Setup the pipe_resource object
*/
memset(&pt, 0, sizeof(pt));
pt.target = gl_target_to_pipe(target);
pt.format = st_mesa_format_to_pipe_format(st, format);
pt.nr_samples = numSamples;
st_gl_texture_dims_to_pipe_dims(target,
width, height, depth,
&pt.width0, &pt.height0,
&pt.depth0, &pt.array_size);
if (numLevels > 0) {
/* For immutable textures we know the final number of mip levels */
pt.last_level = numLevels - 1;
}
else if (level == 0 && (texObj->Sampler.MinFilter == GL_LINEAR ||
texObj->Sampler.MinFilter == GL_NEAREST)) {
/* assume just one mipmap level */
pt.last_level = 0;
}
else {
/* assume a full set of mipmaps */
pt.last_level = _mesa_logbase2(MAX3(width, height, depth));
}
return pipe->screen->can_create_resource(pipe->screen, &pt);
}
else {
/* Use core Mesa fallback */
return _mesa_test_proxy_teximage(ctx, target, numLevels, level, format,
numSamples, width, height, depth);
}
}
static GLboolean
st_TextureView(struct gl_context *ctx,
struct gl_texture_object *texObj,
struct gl_texture_object *origTexObj)
{
struct st_texture_object *orig = st_texture_object(origTexObj);
struct st_texture_object *tex = st_texture_object(texObj);
struct gl_texture_image *image = texObj->Image[0][0];
const int numFaces = _mesa_num_tex_faces(texObj->Target);
const int numLevels = texObj->NumLevels;
int face;
int level;
pipe_resource_reference(&tex->pt, orig->pt);
/* Set image resource pointers */
for (level = 0; level < numLevels; level++) {
for (face = 0; face < numFaces; face++) {
struct st_texture_image *stImage =
st_texture_image(texObj->Image[face][level]);
pipe_resource_reference(&stImage->pt, tex->pt);
}
}
tex->surface_based = GL_TRUE;
tex->surface_format =
st_mesa_format_to_pipe_format(st_context(ctx), image->TexFormat);
tex->lastLevel = numLevels - 1;
return GL_TRUE;
}
static void
st_ClearTexSubImage(struct gl_context *ctx,
struct gl_texture_image *texImage,
GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth,
const void *clearValue)
{
static const char zeros[16] = {0};
struct st_texture_image *stImage = st_texture_image(texImage);
struct pipe_resource *pt = stImage->pt;
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
unsigned level = texImage->Level;
struct pipe_box box;
if (!pt)
return;
st_flush_bitmap_cache(st);
st_invalidate_readpix_cache(st);
u_box_3d(xoffset, yoffset, zoffset + texImage->Face,
width, height, depth, &box);
if (texImage->TexObject->Immutable) {
level += texImage->TexObject->MinLevel;
box.z += texImage->TexObject->MinLayer;
}
pipe->clear_texture(pipe, pt, level, &box, clearValue ? clearValue : zeros);
}
void
st_init_texture_functions(struct dd_function_table *functions)
{
functions->ChooseTextureFormat = st_ChooseTextureFormat;
functions->QueryInternalFormat = st_QueryInternalFormat;
functions->TexImage = st_TexImage;
functions->TexSubImage = st_TexSubImage;
functions->CompressedTexSubImage = st_CompressedTexSubImage;
functions->CopyTexSubImage = st_CopyTexSubImage;
functions->GenerateMipmap = st_generate_mipmap;
functions->GetTexSubImage = st_GetTexSubImage;
/* compressed texture functions */
functions->CompressedTexImage = st_CompressedTexImage;
functions->GetCompressedTexSubImage = _mesa_GetCompressedTexSubImage_sw;
functions->NewTextureObject = st_NewTextureObject;
functions->NewTextureImage = st_NewTextureImage;
functions->DeleteTextureImage = st_DeleteTextureImage;
functions->DeleteTexture = st_DeleteTextureObject;
functions->AllocTextureImageBuffer = st_AllocTextureImageBuffer;
functions->FreeTextureImageBuffer = st_FreeTextureImageBuffer;
functions->MapTextureImage = st_MapTextureImage;
functions->UnmapTextureImage = st_UnmapTextureImage;
/* XXX Temporary until we can query pipe's texture sizes */
functions->TestProxyTexImage = st_TestProxyTexImage;
functions->AllocTextureStorage = st_AllocTextureStorage;
functions->TextureView = st_TextureView;
functions->ClearTexSubImage = st_ClearTexSubImage;
}
|