aboutsummaryrefslogtreecommitdiff
path: root/docs/doxygen/nel/driver__opengl__material_8cpp-source.html
blob: 88c09c837309310b9296ec15b8419edf6b10f9de (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
	<TITLE>nevrax.org : docs</TITLE>
	<LINK REL=stylesheet TYPE="text/css" HREF="/inc/css/nevrax.css">
	<link href="doxygen.css" rel="stylesheet" type="text/css">
</HEAD>
<BODY MARGINHEIGHT="0" MARGINWIDTH="0">

<!-- uplinks -->
<TABLE CELLSPACING=0 CELLPADDING=0  BORDER=0>
 <TR>
        <TD WIDTH=16><IMG  SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
        <TD WIDTH=140 BGCOLOR=#dddddd><IMG  SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="16" BORDER=0 ALT=""></TD>
        <TD WIDTH=16><IMG  SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
        <TD><IMG width=6 height=14 SRC="/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle>&nbsp;<A CLASS=uplinks HREF=><b>Home</B></FONT></A>&nbsp;&nbsp;&nbsp;</TD>
        <TD><IMG  width=6 height=14  SRC="/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle>&nbsp;<A CLASS=uplinks HREF=http://www.nevrax.com><b>nevrax.com</B></FONT></A>&nbsp;&nbsp;&nbsp;</TD>
 </TR>
</TABLE> 

<!-- banner Nevrax -->
<TABLE CELLSPACING=0 CELLPADDING=0  BORDER=0 WIDTH=100%>
 <TR><TD  BGCOLOR="#000000" BACKGROUND="/inc/img/black_banner.jpg"><A HREF=""><IMG  SRC="/inc/img/nevrax.gif" WIDTH="170" HEIGHT="45" BORDER=0 ALT="Nevrax" ></A></TD></TR>
</TABLE>

<!-- main table -->
<TABLE CELLSPACING=0 CELLPADDING=0  BORDER=0 height=100%>
 <TR>
	<TD WIDTH=16><IMG  SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="10" BORDER=0 ALT=""></TD>
	<TD WIDTH=140   BGCOLOR=#dddddd VALIGN=TOP ALIGN=middle><IMG  SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">

		<!------ Begin Box ------>
		<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR=black><TR><TD><TABLE border=0  cellspacing=2 cellpadding=0 width=120><tr><TD ALIGN=middle bgcolor=black>
		<FONT COLOR=white FACE="sans-serif"><B>Nevrax.org</B></FONT></TD></TR><tr><td  colspan=2 bgcolor=#FFFFFF>
		<TABLE cellspacing=0 cellpadding=1 border=0>
			<tr><td ALIGN=middle><a  class='linkbox' href="/news/" TITLE="Rubrique news"><img width=13 height=15  hspace=5 border=0 src=/inc/img/picto-news.gif ALT=#></A></td><td><a  class='linkbox' href="/news/" TITLE="News">News</a></td></tr>
			<tr><td ALIGN=middle><a  class='linkbox' href="/mail/" TITLE="Rubrique mail"><img width=15 height=11  hspace=5 border=0 src=/inc/img/picto-mail.gif ALT=#></A></td><td><a  class='linkbox' href="/mail/" TITLE="Mailing list archive">Mailing-list</a></td></tr>
			<tr><td ALIGN=middle><a  class='linkbox' href="/docs/" TITLE="Rubrique docs"><img width=14 height=16  hspace=5 border=0 src=/inc/img/picto-docs.gif ALT=#></A></td><td><a  class='linkbox' href="/docs/" TITLE="Documentation">Documentation</a></td></tr>
			<tr><td ALIGN=middle><a  class='linkbox' href="/cvs/" TITLE="Rubrique cvs"><img width=13 height=17  hspace=5 border=0 src=/inc/img/picto-cvs.gif ALT=#></A></td><td><a  class='linkbox' href="/cvs/" TITLE="CVS Web">CVS</a></td></tr>
			<tr><td ALIGN=middle><a  class='linkbox' href="/bugs/" TITLE="Rubrique bugs"><img width=20 height=16  hspace=5 border=0 src=/inc/img/picto-bugs.gif ALT=#></A></td><td><a  class='linkbox' href="/bugs/" TITLE="Bugtracking">Bugs</a></td></tr>
			<tr><td ALIGN=middle><a  class='linkbox' href="/GPL.php3" TITLE="Rubrique license"><img  width=18 height=12   hspace=5 border=0 src=/inc/img/picto-gpl.gif ALT=#></A></td><td><a  class='linkbox' href="/GPL.php3" TITLE="License">License</a></td></tr>
		</TABLE>
		</TD></TR></TABLE></TD></TR></TABLE>
		<!------ End Box  ------>

	</TD>
	<TD WIDTH=15><IMG  SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
	<TD ALIGN=left valign=top><IMG  SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">

<!-- title -->
<TABLE  background="/inc/img/redline.gif" CELLSPACING=0 CELLPADDING=0  BORDER=0 width=100%><tr><td>
<A HREF="/docs/"><img src="/inc/img/t_docs.gif" ALT="Docs" HEIGHT=20 BORDER=0></A>
</td><td><IMG  SRC="/inc/img/pixel.gif" WIDTH="1" HEIGHT="1" BORDER=0 ALT="">
</td></tr></table>
&nbsp;

<!-- block -->
<TABLE  bgcolor="#dddddd" CELLSPACING=0 CELLPADDING=0  BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="/inc/img/reddots.gif"></TD>
	<TD><B>Documentation</B></TD>
	<TD ALIGN=RIGHT>&nbsp;</td>
</tr></table>
<!-- Generated by Doxygen 1.2.14 -->
<center>
<a class="qindex" href="index.html">Main Page</a> &nbsp; <a class="qindex" href="namespaces.html">Namespace List</a> &nbsp; <a class="qindex" href="hierarchy.html">Class Hierarchy</a> &nbsp; <a class="qindex" href="classes.html">Alphabetical List</a> &nbsp; <a class="qindex" href="annotated.html">Compound List</a> &nbsp; <a class="qindex" href="files.html">File List</a> &nbsp; <a class="qindex" href="namespacemembers.html">Namespace Members</a> &nbsp; <a class="qindex" href="functions.html">Compound Members</a> &nbsp; <a class="qindex" href="globals.html">File Members</a> &nbsp; <a class="qindex" href="pages.html">Related Pages</a> &nbsp; <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/cgi-bin/nel-search.cgi">Search</a> &nbsp; </center>
<hr><h1>driver_opengl_material.cpp</h1><a href="driver__opengl__material_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025 
00026 <font class="preprocessor">#include "<a class="code" href="stdopengl_8h.html">stdopengl.h</a>"</font>
00027 <font class="preprocessor">#include "<a class="code" href="cube__map__builder_8h.html">3d/cube_map_builder.h</a>"</font>
00028 <font class="preprocessor">#include "<a class="code" href="texture__mem_8h.html">3d/texture_mem.h</a>"</font>
00029 
00030 
00031 <font class="keyword">namespace </font>NL3D {
00032 
00033 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a343">convBlend</a>(CMaterial::TBlend <a class="code" href="namespaceNLMISC.html#a286">blend</a>, GLenum&amp; glenum)
00034 {
00035         <font class="keywordflow">switch</font>(blend)
00036         {
00037                 <font class="keywordflow">case</font> CMaterial::one:            glenum=GL_ONE; <font class="keywordflow">break</font>;
00038                 <font class="keywordflow">case</font> CMaterial::zero:           glenum=GL_ZERO; <font class="keywordflow">break</font>;
00039                 <font class="keywordflow">case</font> CMaterial::srcalpha:       glenum=GL_SRC_ALPHA; <font class="keywordflow">break</font>;
00040                 <font class="keywordflow">case</font> CMaterial::invsrcalpha:glenum=GL_ONE_MINUS_SRC_ALPHA; <font class="keywordflow">break</font>;
00041                 <font class="keywordflow">case</font> CMaterial::srccolor:       glenum=GL_SRC_COLOR; <font class="keywordflow">break</font>;
00042                 <font class="keywordflow">case</font> CMaterial::invsrccolor:glenum=GL_ONE_MINUS_SRC_COLOR; <font class="keywordflow">break</font>;
00043                 <font class="comment">// Extended Blend modes.</font>
00044                 <font class="keywordflow">case</font> CMaterial::blendConstantColor:             glenum=GL_CONSTANT_COLOR_EXT; <font class="keywordflow">break</font>;
00045                 <font class="keywordflow">case</font> CMaterial::blendConstantInvColor:  glenum=GL_ONE_MINUS_CONSTANT_COLOR_EXT; <font class="keywordflow">break</font>;
00046                 <font class="keywordflow">case</font> CMaterial::blendConstantAlpha:             glenum=GL_CONSTANT_ALPHA_EXT; <font class="keywordflow">break</font>;
00047                 <font class="keywordflow">case</font> CMaterial::blendConstantInvAlpha:  glenum=GL_ONE_MINUS_CONSTANT_ALPHA_EXT; <font class="keywordflow">break</font>;
00048                 <font class="keywordflow">default</font>: <a class="code" href="debug_8h.html#a12">nlstop</a>;
00049         }
00050 }
00051 
00052 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a344">convZFunction</a>(CMaterial::ZFunc zfunc, GLenum&amp; glenum)
00053 {
00054         <font class="keywordflow">switch</font>(zfunc)
00055         {
00056                 <font class="keywordflow">case</font> CMaterial::lessequal:      glenum=GL_LEQUAL; <font class="keywordflow">break</font>;
00057                 <font class="keywordflow">case</font> CMaterial::less:           glenum=GL_LESS; <font class="keywordflow">break</font>;
00058                 <font class="keywordflow">case</font> CMaterial::always:         glenum=GL_ALWAYS; <font class="keywordflow">break</font>;
00059                 <font class="keywordflow">case</font> CMaterial::never:          glenum=GL_NEVER; <font class="keywordflow">break</font>;
00060                 <font class="keywordflow">case</font> CMaterial::equal:          glenum=GL_EQUAL; <font class="keywordflow">break</font>;
00061                 <font class="keywordflow">case</font> CMaterial::notequal:       glenum=GL_NOTEQUAL; <font class="keywordflow">break</font>;
00062                 <font class="keywordflow">case</font> CMaterial::greater:        glenum=GL_GREATER; <font class="keywordflow">break</font>;
00063                 <font class="keywordflow">case</font> CMaterial::greaterequal:   glenum=GL_GEQUAL; <font class="keywordflow">break</font>;
00064                 <font class="keywordflow">default</font>: <a class="code" href="debug_8h.html#a12">nlstop</a>;
00065         }
00066 }
00067 
00068 <font class="keyword">static</font> <font class="keywordtype">void</font>     <a class="code" href="namespaceNL3D.html#a345">convColor</a>(CRGBA col, GLfloat glcol[4])
00069 {
00070         <font class="keyword">static</font>  <font class="keyword">const</font> <font class="keywordtype">float</font>     OO255= 1.0f/255;
00071         glcol[0]= col.R*OO255;
00072         glcol[1]= col.G*OO255;
00073         glcol[2]= col.B*OO255;
00074         glcol[3]= col.A*OO255;
00075 }
00076 
00077 <font class="keyword">static</font> <font class="keyword">inline</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a346">convTexAddr</a>(ITexture *tex, CMaterial::TTexAddressingMode mode, GLenum &amp;glenum)
00078 {       
00079         <a class="code" href="debug_8h.html#a6">nlassert</a>(mode &lt; CMaterial::TexAddrCount);
00080         <font class="keyword">static</font> <font class="keyword">const</font> GLenum glTex2dAddrModesNV[] =
00081         {
00082                 GL_NONE, GL_TEXTURE_2D, <a class="code" href="driver__opengl__extension__def_8h.html#a166">GL_PASS_THROUGH_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a167">GL_CULL_FRAGMENT_NV</a>,
00083                 <a class="code" href="driver__opengl__extension__def_8h.html#a168">GL_OFFSET_TEXTURE_2D_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a162">GL_OFFSET_TEXTURE_2D_SCALE_NV</a>,
00084                 <a class="code" href="driver__opengl__extension__def_8h.html#a169">GL_DEPENDENT_AR_TEXTURE_2D_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a170">GL_DEPENDENT_GB_TEXTURE_2D_NV</a>,
00085                 <a class="code" href="driver__opengl__extension__def_8h.html#a171">GL_DOT_PRODUCT_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a173">GL_DOT_PRODUCT_TEXTURE_2D_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a175">GL_DOT_PRODUCT_TEXTURE_CUBE_MAP_NV</a>,
00086                 <a class="code" href="driver__opengl__extension__def_8h.html#a177">GL_DOT_PRODUCT_REFLECT_CUBE_MAP_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a178">GL_DOT_PRODUCT_CONST_EYE_REFLECT_CUBE_MAP_NV</a>,
00087                 <a class="code" href="driver__opengl__extension__def_8h.html#a176">GL_DOT_PRODUCT_DIFFUSE_CUBE_MAP_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a172">GL_DOT_PRODUCT_DEPTH_REPLACE_NV</a>
00088         };
00089 
00090 
00091         <font class="keyword">static</font> <font class="keyword">const</font> GLenum glTexCubedAddrModesNV[] =
00092         {
00093                 GL_NONE, GL_TEXTURE_CUBE_MAP_ARB, <a class="code" href="driver__opengl__extension__def_8h.html#a166">GL_PASS_THROUGH_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a167">GL_CULL_FRAGMENT_NV</a>,
00094                 <a class="code" href="driver__opengl__extension__def_8h.html#a168">GL_OFFSET_TEXTURE_2D_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a162">GL_OFFSET_TEXTURE_2D_SCALE_NV</a>,
00095                 <a class="code" href="driver__opengl__extension__def_8h.html#a169">GL_DEPENDENT_AR_TEXTURE_2D_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a170">GL_DEPENDENT_GB_TEXTURE_2D_NV</a>,
00096                 <a class="code" href="driver__opengl__extension__def_8h.html#a171">GL_DOT_PRODUCT_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a173">GL_DOT_PRODUCT_TEXTURE_2D_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a175">GL_DOT_PRODUCT_TEXTURE_CUBE_MAP_NV</a>,
00097                 <a class="code" href="driver__opengl__extension__def_8h.html#a177">GL_DOT_PRODUCT_REFLECT_CUBE_MAP_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a178">GL_DOT_PRODUCT_CONST_EYE_REFLECT_CUBE_MAP_NV</a>,
00098                 <a class="code" href="driver__opengl__extension__def_8h.html#a176">GL_DOT_PRODUCT_DIFFUSE_CUBE_MAP_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a172">GL_DOT_PRODUCT_DEPTH_REPLACE_NV</a>
00099         };
00100 
00101         
00102         <font class="keywordflow">if</font> (!tex || !tex-&gt;isTextureCube())
00103         {       
00104                 glenum = glTex2dAddrModesNV[(uint) mode];
00105         }
00106         <font class="keywordflow">else</font>
00107         {
00108                 glenum = glTexCubedAddrModesNV[(uint) mode];
00109         }
00110 }
00111 
00112 
00113 <font class="comment">// --------------------------------------------------</font>
<a name="l00114"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a24">00114</a> <font class="keywordtype">void</font> CDriverGL::setTextureEnvFunction(uint stage, CMaterial&amp; mat)
00115 {
00116         ITexture        *text= mat.getTexture(stage);
00117         <font class="keywordflow">if</font>(text)
00118         {
00119                 CMaterial::CTexEnv      &amp;env= mat._TexEnvs[stage];
00120 
00121                 <font class="comment">// Activate the env for this stage.</font>
00122                 <font class="comment">// NB: Thoses calls use caching.</font>
00123                 <a class="code" href="classNL3D_1_1CDriverGL.html#c3">activateTexEnvMode</a>(stage, env);
00124                 <a class="code" href="classNL3D_1_1CDriverGL.html#c4">activateTexEnvColor</a>(stage, env);
00125 
00126                 <font class="comment">// Activate texture generation mapping</font>
00127                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(stage);
00128                 <font class="keywordflow">if</font> (mat.getTexCoordGen (stage))
00129                 {
00130                         <font class="comment">// Enable it</font>
00131                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableTexGen (stage, <font class="keyword">true</font>);
00132 
00133                         <font class="comment">// Cubic or normal ?</font>
00134                         <font class="keywordflow">if</font> (text-&gt;isTextureCube ())
00135                                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTexGenMode (stage, GL_REFLECTION_MAP_ARB);
00136                         <font class="keywordflow">else</font>
00137                                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTexGenMode (stage, GL_SPHERE_MAP);
00138                 }
00139                 <font class="keywordflow">else</font>
00140                 {
00141                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableTexGen (stage, <font class="keyword">false</font>);
00142                 }
00143         }
00144 }
00145 
00146 
00147 <font class="comment">//--------------------------------</font>
<a name="l00148"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a25">00148</a> <font class="keywordtype">void</font> CDriverGL::setupUserTextureMatrix(uint numStages, CMaterial&amp; mat)
00149 { 
00150         <font class="keywordflow">if</font> (
00151                 (<a class="code" href="classNL3D_1_1CDriverGL.html#o30">_UserTexMatEnabled</a> != 0 &amp;&amp; (mat.getFlags() &amp; <a class="code" href="namespaceNL3D.html#a138">IDRV_MAT_USER_TEX_MAT_ALL</a>) == 0)          
00152                 || (mat.getFlags() &amp; <a class="code" href="namespaceNL3D.html#a138">IDRV_MAT_USER_TEX_MAT_ALL</a>) != 0
00153            )
00154         {
00155                 glMatrixMode(GL_TEXTURE);
00156                 <font class="comment">// for each stage, setup the texture matrix if needed</font>
00157                 uint newMask = (mat.getFlags() &amp; <a class="code" href="namespaceNL3D.html#a138">IDRV_MAT_USER_TEX_MAT_ALL</a>) &gt;&gt; <a class="code" href="namespaceNL3D.html#a139">IDRV_MAT_USER_TEX_FIRST_BIT</a>;
00158                 uint shiftMask = 1;
00159                 <font class="keywordflow">for</font> (uint k = 0; k &lt; numStages ; ++k)
00160                 {
00161                         <font class="keywordflow">if</font> (newMask &amp; shiftMask) <font class="comment">// user matrix for this stage</font>
00162                         {               
00163                                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(k);
00164                                 glLoadMatrixf(mat.getUserTexMat(k).get());
00165                                 <a class="code" href="classNL3D_1_1CDriverGL.html#o30">_UserTexMatEnabled</a> |= shiftMask;
00166                         }
00167                         <font class="keywordflow">else</font>
00168                         {
00170                                 <font class="keywordflow">if</font> (
00171                                         (newMask &amp; shiftMask) != (<a class="code" href="classNL3D_1_1CDriverGL.html#o30">_UserTexMatEnabled</a> &amp; shiftMask)
00172                                    )
00173                                 {
00174                                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(k);
00175                                         glLoadIdentity();
00176                                         <a class="code" href="classNL3D_1_1CDriverGL.html#o30">_UserTexMatEnabled</a> &amp;= ~shiftMask;
00177                                 }                               
00178                         }
00179                         shiftMask &lt;&lt;= 1;
00180                 }
00181                 glMatrixMode(GL_MODELVIEW);
00182         }
00183 }
00184 
<a name="l00185"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a26">00185</a> <font class="keywordtype">void</font> CDriverGL::disableUserTextureMatrix()
00186 { 
00187         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#o30">_UserTexMatEnabled</a> != 0)            
00188         {
00189                 glMatrixMode(GL_TEXTURE);               
00190                 uint k = 0;
00191                 <font class="keywordflow">do</font>
00192                 {
00193                         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#o30">_UserTexMatEnabled</a> &amp; (1 &lt;&lt; k)) <font class="comment">// user matrix for this stage</font>
00194                         {                                               
00195                                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(k);
00196                                 glLoadIdentity();
00197                                 <a class="code" href="classNL3D_1_1CDriverGL.html#o30">_UserTexMatEnabled</a> &amp;= ~ (1 &lt;&lt; k);
00198                                                                 
00199                         }                       
00200                         ++k;
00201                 }
00202                 <font class="keywordflow">while</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#o30">_UserTexMatEnabled</a> != 0);
00203                 glMatrixMode(GL_MODELVIEW);
00204         }
00205 }
00206 
00207 
00208 <font class="comment">// --------------------------------------------------</font>
<a name="l00209"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z415_0">00209</a> CMaterial::TShader      CDriverGL::getSupportedShader(CMaterial::TShader shader)
00210 {
00211         <font class="keywordflow">switch</font> (shader)
00212         {
00213         <font class="keywordflow">case</font> CMaterial::PerPixelLighting: <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CDriverGL.html#z404_1">_SupportPerPixelShader</a> ? CMaterial::PerPixelLighting : CMaterial::Normal;
00214         <font class="keywordflow">case</font> CMaterial::PerPixelLightingNoSpec: <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CDriverGL.html#z404_2">_SupportPerPixelShaderNoSpec</a> ? CMaterial::PerPixelLightingNoSpec : CMaterial::Normal;
00215         <font class="comment">// Lightmap and Specular work only if at least 2 text stages.</font>
00216         <font class="keywordflow">case</font> CMaterial::LightMap: <font class="keywordflow">return</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>()&gt;=2) ? CMaterial::LightMap : CMaterial::Normal;
00217         <font class="keywordflow">case</font> CMaterial::Specular: <font class="keywordflow">return</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>()&gt;=2) ? CMaterial::Specular : CMaterial::Normal;
00218                 <font class="keywordflow">default</font>: <font class="keywordflow">return</font> shader;         
00219         }
00220 }
00221 
00222 
00223 <font class="comment">// --------------------------------------------------</font>
00224 
<a name="l00225"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a27">00225</a> <font class="keywordtype">bool</font> CDriverGL::setupMaterial(CMaterial&amp; mat)
00226 {
00227         CShaderGL*      pShader;
00228         GLenum          glenum;
00229         uint32          touched=mat.getTouched();
00230         sint            stage;
00231 
00232 
00233         <font class="comment">// profile.</font>
00234         <a class="code" href="classNL3D_1_1CDriverGL.html#z412_4">_NbSetupMaterialCall</a>++;
00235 
00236 
00237         <font class="comment">// 0. Retrieve/Create driver shader.</font>
00238         <font class="comment">//==================================</font>
00239         <font class="keywordflow">if</font> (!mat.pShader)
00240         {
00241                 <font class="comment">// insert into driver list. (so it is deleted when driver is deleted).</font>
00242                 <a class="code" href="namespaceNL3D.html#a235">ItShaderPtrList</a>         it= <a class="code" href="classNL3D_1_1IDriver.html#n2">_Shaders</a>.insert(<a class="code" href="classNL3D_1_1IDriver.html#n2">_Shaders</a>.end());
00243                 <font class="comment">// create and set iterator, for future deletion.</font>
00244                 *it= mat.pShader= <font class="keyword">new</font> CShaderGL(<font class="keyword">this</font>, it);
00245 
00246                 <font class="comment">// Must create all OpenGL shader states.</font>
00247                 touched= <a class="code" href="namespaceNL3D.html#a109">IDRV_TOUCHED_ALL</a>;
00248         }
00249         pShader=static_cast&lt;CShaderGL*&gt;((<a class="code" href="classNL3D_1_1IDriver.html#l3">IShader</a>*)(mat.pShader));
00250 
00251 
00252         <font class="comment">// 1. Setup modified fields of material.</font>
00253         <font class="comment">//=====================================</font>
00254         <font class="keywordflow">if</font>( touched ) 
00255         {
00256                 <font class="comment">/* Exception: if only Textures are modified in the material, no need to "Bind OpenGL States", or even to test</font>
00257 <font class="comment">                        for change, because textures are activated alone, see below.</font>
00258 <font class="comment">                        No problem with delete/new problem (see below), because in this case, IDRV_TOUCHED_ALL is set (see above).</font>
00259 <font class="comment">                */</font>
00260                 <font class="comment">// If any flag is set (but a flag of texture)</font>
00261                 <font class="keywordflow">if</font>( touched &amp; (~_MaterialAllTextureTouchedFlag) )
00262                 {
00263                         <font class="comment">// Convert Material to driver shader.</font>
00264                         <font class="keywordflow">if</font> (touched &amp; <a class="code" href="namespaceNL3D.html#a95">IDRV_TOUCHED_BLENDFUNC</a>)
00265                         {
00266                                 <a class="code" href="namespaceNL3D.html#a343">convBlend</a>( mat.getSrcBlend(),glenum );
00267                                 pShader-&gt;SrcBlend=glenum;
00268                                 <a class="code" href="namespaceNL3D.html#a343">convBlend</a>( mat.getDstBlend(),glenum );
00269                                 pShader-&gt;DstBlend=glenum;
00270                         }
00271                         <font class="keywordflow">if</font> (touched &amp; <a class="code" href="namespaceNL3D.html#a98">IDRV_TOUCHED_ZFUNC</a>)
00272                         {
00273                                 <a class="code" href="namespaceNL3D.html#a344">convZFunction</a>( mat.getZFunc(),glenum);
00274                                 pShader-&gt;ZComp= glenum;
00275                         }
00276                         <font class="keywordflow">if</font> (touched &amp; <a class="code" href="namespaceNL3D.html#a101">IDRV_TOUCHED_LIGHTING</a>)
00277                         {
00278                                 <a class="code" href="namespaceNL3D.html#a345">convColor</a>(mat.getEmissive(), pShader-&gt;Emissive);
00279                                 <a class="code" href="namespaceNL3D.html#a345">convColor</a>(mat.getAmbient(), pShader-&gt;Ambient);
00280                                 <a class="code" href="namespaceNL3D.html#a345">convColor</a>(mat.getDiffuse(), pShader-&gt;Diffuse);
00281                                 <a class="code" href="namespaceNL3D.html#a345">convColor</a>(mat.getSpecular(), pShader-&gt;Specular);
00282                                 pShader-&gt;PackedEmissive= mat.getEmissive().getPacked();
00283                                 pShader-&gt;PackedAmbient= mat.getAmbient().getPacked();
00284                                 pShader-&gt;PackedDiffuse= mat.getDiffuse().getPacked();
00285                                 pShader-&gt;PackedSpecular= mat.getSpecular().getPacked();
00286                         }
00287                         <font class="keywordflow">if</font> (touched &amp; <a class="code" href="namespaceNL3D.html#a97">IDRV_TOUCHED_SHADER</a>)
00288                         {
00289                                 <font class="comment">// Get shader. Fallback to other shader if not supported.</font>
00290                                 pShader-&gt;SupportedShader= <a class="code" href="classNL3D_1_1CDriverGL.html#z415_0">getSupportedShader</a>(mat.getShader());
00291                         }
00292 
00293 
00294                         <font class="comment">// Since modified, must rebind all openGL states. And do this also for the delete/new problem.</font>
00295                         <font class="comment">/* If an old material is deleted, _CurrentMaterial is invalid. But this is grave only if a new </font>
00296 <font class="comment">                                material is created, with the same pointer (bad luck). Since an newly allocated material always </font>
00297 <font class="comment">                                pass here before use, we are sure to avoid any problems.</font>
00298 <font class="comment">                        */</font>
00299                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>= NULL;
00300                 }
00301 
00302                 <font class="comment">// Optimize: reset all flags at the end.</font>
00303                 mat.clearTouched(0xFFFFFFFF);
00304         }
00305 
00306 
00307         <font class="comment">// Now we can get the supported shader from the cache.</font>
00308         CMaterial::TShader matShader = pShader-&gt;SupportedShader;
00309 
00310         <font class="comment">// setup the global</font>
00311         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_3">_CurrentMaterialSupportedShader</a>= matShader;
00312 
00313 
00314         <font class="comment">// 2. Setup / Bind Textures.</font>
00315         <font class="comment">//==========================</font>
00316         <font class="comment">// Must setup textures each frame. (need to test if touched).</font>
00317         <font class="comment">// Must separate texture setup and texture activation in 2 "for"...</font>
00318         <font class="comment">// because setupTexture() may disable all stage.</font>
00319         <font class="keywordflow">for</font>(stage=0 ; stage&lt;<a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>() ; stage++)
00320         {
00321                 ITexture        *text= mat.getTexture(stage);
00322                 <font class="keywordflow">if</font> (text != NULL &amp;&amp; !<a class="code" href="classNL3D_1_1CDriverGL.html#a18">setupTexture</a>(*text))
00323                         <font class="keywordflow">return</font>(false);
00324         }
00325         <font class="comment">// Here, for Lightmap materials, setup the lightmaps.</font>
00326         <font class="keywordflow">if</font>(matShader == CMaterial::LightMap)
00327         {
00328                 <font class="keywordflow">for</font>(stage=0 ; stage&lt;(sint)mat._LightMaps.size() ; stage++)
00329                 {
00330                         ITexture        *text= mat._LightMaps[stage].Texture;
00331                         <font class="keywordflow">if</font> (text != NULL &amp;&amp; !<a class="code" href="classNL3D_1_1CDriverGL.html#a18">setupTexture</a>(*text))
00332                                 <font class="keywordflow">return</font>(false);
00333                 }
00334         }
00335 
00336         <font class="comment">// Here, for caustic shader, setup the lightmaps</font>
00337         <font class="comment">/*if (matShader == CMaterial::Caustics)</font>
00338 <font class="comment">        {</font>
00339 <font class="comment">                if (mat.getTexture(stage))</font>
00340 <font class="comment">        }*/</font>
00341         
00342 
00343         <font class="comment">// Activate the textures.</font>
00344         <font class="comment">// Do not do it for Lightmap and per pixel lighting , because done in multipass in a very special fashion.</font>
00345         <font class="comment">// This avoid the useless multiple change of texture states per lightmapped object.</font>
00346         <font class="keywordflow">if</font>(matShader != CMaterial::LightMap
00347                 &amp;&amp; matShader != CMaterial::PerPixelLighting
00348                 <font class="comment">/* &amp;&amp; matShader != CMaterial::Caustics  */</font>
00349                 &amp;&amp; matShader != CMaterial::Cloud
00350            )
00351         {
00352                 <font class="keywordflow">for</font>(stage=0 ; stage&lt;<a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>() ; stage++)
00353                 {
00354                         ITexture        *text= mat.getTexture(stage);
00355 
00356                         <font class="comment">// activate the texture, or disable texturing if NULL.</font>
00357                         <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(stage,text);
00358 
00359                         <font class="comment">// If texture not NULL, Change texture env fonction.</font>
00360                         <font class="comment">//==================================================</font>
00361                         <a class="code" href="classNL3D_1_1CDriverGL.html#a24">setTextureEnvFunction</a>(stage, mat);
00362                 }                               
00363         }
00364 
00365 
00366         <font class="comment">// 3. Bind OpenGL States.</font>
00367         <font class="comment">//=======================</font>
00368         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>!=&amp;mat)
00369         {
00370                 <font class="comment">// Bind Blend Part.</font>
00371                 <font class="comment">//=================</font>
00372                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableBlend(mat.getFlags()&amp;<a class="code" href="namespaceNL3D.html#a117">IDRV_MAT_BLEND</a>);
00373                 <font class="keywordflow">if</font>(mat.getFlags()&amp;<a class="code" href="namespaceNL3D.html#a117">IDRV_MAT_BLEND</a>)
00374                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.blendFunc(pShader-&gt;SrcBlend, pShader-&gt;DstBlend);
00375 
00376                 <font class="comment">// Double Sided Part.</font>
00377                 <font class="comment">//===================</font>
00378                 <font class="comment">// NB: inverse state: DoubleSided &lt;=&gt; !CullFace.</font>
00379                 uint32  twoSided= mat.getFlags()&amp;<a class="code" href="namespaceNL3D.html#a118">IDRV_MAT_DOUBLE_SIDED</a>;
00380                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableCullFace( twoSided==0 );
00381 
00382 
00383                 <font class="comment">// Alpha Test Part.</font>
00384                 <font class="comment">//=================</font>
00385                 uint32  alphaTest= mat.getFlags()&amp;<a class="code" href="namespaceNL3D.html#a119">IDRV_MAT_ALPHA_TEST</a>;
00386                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableAlphaTest(alphaTest);
00387                 <font class="keywordflow">if</font>(alphaTest)
00388                 {
00389                         <font class="comment">// setup alphaTest threshold.</font>
00390                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.alphaFunc(mat.getAlphaTestThreshold());
00391                 }
00392 
00393 
00394                 <font class="comment">// Bind ZBuffer Part.</font>
00395                 <font class="comment">//===================</font>
00396                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableZWrite(mat.getFlags()&amp;<a class="code" href="namespaceNL3D.html#a112">IDRV_MAT_ZWRITE</a>);
00397                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.depthFunc(pShader-&gt;ZComp);
00398                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setDepthRange (mat.getZBias () * <a class="code" href="classNL3D_1_1CDriverGL.html#o10">_OODeltaZ</a>);
00399 
00400 
00401                 <font class="comment">// Color-Lighting Part.</font>
00402                 <font class="comment">//=====================</font>
00403 
00404                 <font class="comment">// Light Part.</font>
00405                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableLighting(mat.getFlags()&amp;<a class="code" href="namespaceNL3D.html#a114">IDRV_MAT_LIGHTING</a>);
00406                 <font class="keywordflow">if</font>(mat.getFlags()&amp;<a class="code" href="namespaceNL3D.html#a114">IDRV_MAT_LIGHTING</a>)
00407                 {
00408                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setEmissive(pShader-&gt;PackedEmissive, pShader-&gt;Emissive);
00409                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setAmbient(pShader-&gt;PackedAmbient, pShader-&gt;Ambient);
00410                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setDiffuse(pShader-&gt;PackedDiffuse, pShader-&gt;Diffuse);
00411                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setSpecular(pShader-&gt;PackedSpecular, pShader-&gt;Specular);
00412                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setShininess(mat.getShininess());
00413                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setVertexColorLighted(mat.isLightedVertexColor ());
00414                 }
00415                 <font class="keywordflow">else</font>
00416                 {
00417                         <font class="comment">// Color unlit part.</font>
00418                         CRGBA   col= mat.getColor();
00419                         glColor4ub(col.R, col.G, col.B, col.A);
00420                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setVertexColorLighted(<font class="keyword">false</font>);
00421                 }
00422                 
00423                 
00424                 <font class="comment">// Texture shader part.</font>
00425                 <font class="comment">//=====================</font>
00426 
00427                 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureShader)
00428                 {
00429                         <font class="keywordflow">if</font> (matShader == CMaterial::Normal)
00430                         {
00431                                 <font class="comment">// Texture addressing modes (support only via NVTextureShader for now)</font>
00432                                 <font class="comment">//===================================================================                                                           </font>
00433                                 <font class="keywordflow">if</font> ( mat.getFlags() &amp; <a class="code" href="namespaceNL3D.html#a120">IDRV_MAT_TEX_ADDR</a> )
00434                                 {               
00435                                         <a class="code" href="classNL3D_1_1CDriverGL.html#c9">enableNVTextureShader</a>(<font class="keyword">true</font>);
00436 
00437                                         GLenum glAddrMode;
00438                                         <font class="keywordflow">for</font> (stage = 0; stage &lt; <a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>(); ++stage)
00439                                         {                                                                               
00440                                                 <a class="code" href="namespaceNL3D.html#a346">convTexAddr</a>(mat.getTexture(stage), (CMaterial::TTexAddressingMode) (mat._TexAddrMode[stage]), glAddrMode);
00441 
00442                                                 <font class="keywordflow">if</font> (glAddrMode != <a class="code" href="classNL3D_1_1CDriverGL.html#z405_8">_CurrentTexAddrMode</a>[stage]) <font class="comment">// addressing mode different from the one in the device?</font>
00443                                         
00444                                                 {
00445                                                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(stage);
00446                                                         glTexEnvi(<a class="code" href="driver__opengl__extension__def_8h.html#a155">GL_TEXTURE_SHADER_NV</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a156">GL_SHADER_OPERATION_NV</a>, glAddrMode);                            
00447                                                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_8">_CurrentTexAddrMode</a>[stage] = glAddrMode;                                        
00448                                                 }
00449                                         }                                                                                                               
00450                                 }
00451                                 <font class="keywordflow">else</font>
00452                                 {
00453                                         <a class="code" href="classNL3D_1_1CDriverGL.html#c9">enableNVTextureShader</a>(<font class="keyword">false</font>);
00454                                 }                               
00455                         }
00456                         <font class="keywordflow">else</font> 
00457                         {
00458                                 <a class="code" href="classNL3D_1_1CDriverGL.html#c9">enableNVTextureShader</a>(<font class="keyword">false</font>);
00459                         }
00460                 }               
00461 
00462                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>=&amp;mat;
00463         }
00464 
00465 
00466         <font class="comment">// 4. Misc</font>
00467         <font class="comment">//=====================================</font>
00468 
00469         <font class="comment">// If !lightMap and prec material was lihgtmap =&gt; vertex setup is dirty!</font>
00470         <font class="keywordflow">if</font>( matShader != CMaterial::LightMap &amp;&amp; <a class="code" href="classNL3D_1_1CDriverGL.html#z407_10">_LastVertexSetupIsLightMap</a> )
00471                 <a class="code" href="classNL3D_1_1CDriverGL.html#z407_4">resetLightMapVertexSetup</a>();
00472 
00473         <font class="comment">// Textures user matrix</font>
00474         <font class="keywordflow">if</font> (matShader == CMaterial::Normal)
00475         {
00476                 <a class="code" href="classNL3D_1_1CDriverGL.html#a25">setupUserTextureMatrix</a>((uint) <a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>(), mat);              
00477         }
00478         <font class="keywordflow">else</font> <font class="comment">// deactivate texture matrix</font>
00479         {
00480                 <a class="code" href="classNL3D_1_1CDriverGL.html#a26">disableUserTextureMatrix</a>();
00481         }
00482 
00483         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00484 }
00485 
00486 
00487 <font class="comment">// ***************************************************************************</font>
<a name="l00488"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z406_0">00488</a> sint                    CDriverGL::beginMultiPass()
00489 {
00490         <font class="comment">// Depending on material type and hardware, return number of pass required to draw this material.</font>
00491         <font class="keywordflow">switch</font>(_CurrentMaterialSupportedShader)
00492         {
00493         <font class="keywordflow">case</font> CMaterial::LightMap: 
00494                 <font class="keywordflow">return</font>  <a class="code" href="classNL3D_1_1CDriverGL.html#z407_1">beginLightMapMultiPass</a>();
00495         <font class="keywordflow">case</font> CMaterial::Specular: 
00496                 <font class="keywordflow">return</font>  <a class="code" href="classNL3D_1_1CDriverGL.html#z408_0">beginSpecularMultiPass</a>();
00497         <font class="keywordflow">case</font> CMaterial::PerPixelLighting:
00498                 <font class="keywordflow">return</font>  <a class="code" href="classNL3D_1_1CDriverGL.html#z409_2">beginPPLMultiPass</a>();
00499         <font class="keywordflow">case</font> CMaterial::PerPixelLightingNoSpec:
00500                 <font class="keywordflow">return</font>  <a class="code" href="classNL3D_1_1CDriverGL.html#z409_5">beginPPLNoSpecMultiPass</a>();      
00501         <font class="comment">/* case CMaterial::Caustics:</font>
00502 <font class="comment">                return  beginCausticsMultiPass(); */</font>
00503         <font class="keywordflow">case</font> CMaterial::Cloud:
00504                 <font class="keywordflow">return</font>  <a class="code" href="classNL3D_1_1CDriverGL.html#c15">beginCloudMultiPass</a>();
00505 
00506         <font class="comment">// All others materials require just 1 pass.</font>
00507         <font class="keywordflow">default</font>: <font class="keywordflow">return</font> 1;
00508         }
00509 }
00510 <font class="comment">// ***************************************************************************</font>
<a name="l00511"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z406_1">00511</a> <font class="keywordtype">void</font>                    CDriverGL::setupPass(uint pass)
00512 {
00513         <font class="keywordflow">switch</font>(_CurrentMaterialSupportedShader)
00514         {
00515         <font class="keywordflow">case</font> CMaterial::LightMap: 
00516                 <a class="code" href="classNL3D_1_1CDriverGL.html#z407_2">setupLightMapPass</a> (pass);
00517                 <font class="keywordflow">break</font>;
00518         <font class="keywordflow">case</font> CMaterial::Specular: 
00519                 <a class="code" href="classNL3D_1_1CDriverGL.html#z408_1">setupSpecularPass</a> (pass);
00520                 <font class="keywordflow">break</font>;
00521         <font class="keywordflow">case</font> CMaterial::PerPixelLighting:
00522                 <a class="code" href="classNL3D_1_1CDriverGL.html#z409_3">setupPPLPass</a> (pass);
00523                 <font class="keywordflow">break</font>;
00524         <font class="keywordflow">case</font> CMaterial::PerPixelLightingNoSpec:
00525                 <a class="code" href="classNL3D_1_1CDriverGL.html#z409_6">setupPPLNoSpecPass</a> (pass);
00526                 <font class="keywordflow">break</font>;  
00527         <font class="comment">/* case CMaterial::Caustics:</font>
00528 <font class="comment">                case CMaterial::Caustics:</font>
00529 <font class="comment">                break; */</font>
00530         <font class="keywordflow">case</font> CMaterial::Cloud:
00531                 <a class="code" href="classNL3D_1_1CDriverGL.html#c16">setupCloudPass</a> (pass);
00532                 <font class="keywordflow">break</font>;  
00533 
00534         <font class="comment">// All others materials do not require multi pass.</font>
00535         <font class="keywordflow">default</font>: <font class="keywordflow">return</font>;
00536         }
00537 }
00538 
00539 
00540 <font class="comment">// ***************************************************************************</font>
<a name="l00541"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z406_2">00541</a> <font class="keywordtype">void</font>                    CDriverGL::endMultiPass()
00542 {
00543         <font class="keywordflow">switch</font>(_CurrentMaterialSupportedShader)
00544         {
00545         <font class="keywordflow">case</font> CMaterial::LightMap: 
00546                 <a class="code" href="classNL3D_1_1CDriverGL.html#z407_3">endLightMapMultiPass</a>();
00547                 <font class="keywordflow">break</font>;
00548         <font class="keywordflow">case</font> CMaterial::Specular: 
00549                 <a class="code" href="classNL3D_1_1CDriverGL.html#z408_2">endSpecularMultiPass</a>();
00550                 <font class="keywordflow">break</font>;
00551         <font class="keywordflow">case</font> CMaterial::PerPixelLighting:
00552                 <a class="code" href="classNL3D_1_1CDriverGL.html#z409_4">endPPLMultiPass</a>();
00553                 <font class="keywordflow">break</font>;
00554         <font class="keywordflow">case</font> CMaterial::PerPixelLightingNoSpec:
00555                 <a class="code" href="classNL3D_1_1CDriverGL.html#z409_7">endPPLNoSpecMultiPass</a>();
00556                 <font class="keywordflow">break</font>;  
00557         <font class="comment">/* case CMaterial::Caustics:</font>
00558 <font class="comment">                endCausticsMultiPass();</font>
00559 <font class="comment">                break; */</font>
00560         <font class="keywordflow">case</font> CMaterial::Cloud:
00561                 <a class="code" href="classNL3D_1_1CDriverGL.html#c17">endCloudMultiPass</a>();
00562                 <font class="keywordflow">break</font>;  
00563         <font class="comment">// All others materials do not require multi pass.</font>
00564         <font class="keywordflow">default</font>: <font class="keywordflow">return</font>;
00565         }
00566 }
00567 
00568 
00569 <font class="comment">// ***************************************************************************</font>
<a name="l00570"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z407_0">00570</a> <font class="keywordtype">void</font> CDriverGL::computeLightMapInfos (<font class="keyword">const</font> CMaterial &amp;mat)
00571 {
00572         <font class="keyword">static</font> <font class="keyword">const</font> uint32 RGBMaskPacked = CRGBA(255,255,255,0).getPacked();
00573 
00574         <font class="comment">// For optimisation consideration, suppose there is not too much lightmap.</font>
00575         <a class="code" href="debug_8h.html#a6">nlassert</a>(mat._LightMaps.size()&lt;=<a class="code" href="driver__opengl_8h.html#a1">NL3D_DRV_MAX_LIGHTMAP</a>);
00576 
00577         <font class="comment">// Compute number of lightmaps really used (ie factor not NULL), and build the LUT.</font>
00578         <a class="code" href="classNL3D_1_1CDriverGL.html#z407_5">_NLightMaps</a> = 0;
00579         <font class="comment">// For all lightmaps of the material.</font>
00580         <font class="keywordflow">for</font> (uint i = 0; i &lt; mat._LightMaps.size(); ++i)
00581         {
00582                 <font class="comment">// If the lightmap's factor is not null.</font>
00583                 <font class="keywordflow">if</font> (mat._LightMaps[i].Factor.getPacked() &amp; RGBMaskPacked)
00584                 {
00585                         <a class="code" href="classNL3D_1_1CDriverGL.html#z407_8">_LightMapLUT</a>[<a class="code" href="classNL3D_1_1CDriverGL.html#z407_5">_NLightMaps</a>] = i;
00586                         ++<a class="code" href="classNL3D_1_1CDriverGL.html#z407_5">_NLightMaps</a>;
00587                 }
00588         }
00589 
00590         <font class="comment">// Compute how many pass, according to driver caps.</font>
00591         <a class="code" href="classNL3D_1_1CDriverGL.html#z407_6">_NLightMapPerPass</a> = <a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>()-1;
00592         <font class="comment">// Can do more than 2 texture stages only if NVTextureEnvCombine4 or ATIXTextureEnvCombine3</font>
00593         <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureEnvCombine4 || !<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.ATIXTextureEnvCombine3)
00594                 <a class="code" href="classNL3D_1_1CDriverGL.html#z407_6">_NLightMapPerPass</a> = 1;
00595 
00596         <font class="comment">// Number of pass.</font>
00597         <a class="code" href="classNL3D_1_1CDriverGL.html#z407_7">_NLightMapPass</a> = (<a class="code" href="classNL3D_1_1CDriverGL.html#z407_5">_NLightMaps</a> + <a class="code" href="classNL3D_1_1CDriverGL.html#z407_6">_NLightMapPerPass</a>-1)/(_NLightMapPerPass);
00598 
00599         <font class="comment">// NB: _NLightMaps==0 means there is no lightmaps at all.</font>
00600 }
00601 
00602 
00603 <font class="comment">// ***************************************************************************</font>
<a name="l00604"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z407_1">00604</a> sint CDriverGL::beginLightMapMultiPass ()
00605 {
00606         <font class="keyword">const</font> CMaterial &amp;mat= *<a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>;
00607 
00608         <font class="comment">// compute how many lightmap and pass we must process.</font>
00609         <a class="code" href="classNL3D_1_1CDriverGL.html#z407_0">computeLightMapInfos</a> (mat);
00610 
00611         <font class="comment">// Too be sure, disable vertex coloring / lightmap.</font>
00612         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableLighting(<font class="keyword">false</font>);
00613         <font class="comment">// reset VertexColor array if necessary.</font>
00614         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z406_3">_LastVB</a>.VertexFormat &amp; CVertexBuffer::PrimaryColorFlag)
00615                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableColorArray(<font class="keyword">false</font>);
00616 
00617         <font class="comment">// Manage too if no lightmaps.</font>
00618         <font class="keywordflow">return</font>  std::max (<a class="code" href="classNL3D_1_1CDriverGL.html#z407_7">_NLightMapPass</a>, (uint)1);
00619 }
00620 <font class="comment">// ***************************************************************************</font>
<a name="l00621"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z407_2">00621</a> <font class="keywordtype">void</font>                    CDriverGL::setupLightMapPass(uint pass)
00622 {
00623         <font class="keyword">const</font> CMaterial &amp;mat= *<a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>;
00624 
00625         <font class="comment">// No lightmap or all blacks??, just setup "black texture" for stage 0.</font>
00626         <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z407_5">_NLightMaps</a>==0)
00627         {
00628                 ITexture        *text= mat.getTexture(0);
00629                 <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(0,text);
00630 
00631                 <font class="comment">// setup std modulate env</font>
00632                 CMaterial::CTexEnv      env;
00633                 <a class="code" href="classNL3D_1_1CDriverGL.html#c3">activateTexEnvMode</a>(0, env);
00634                 <font class="comment">// Since Lighting is disabled, as well as colorArray, must setup alpha.</font>
00635                 <font class="comment">// setup color to 0 =&gt; blackness</font>
00636                 glColor4ub(0, 0, 0, 255);
00637 
00638                 <font class="comment">// Setup gen tex off</font>
00639                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(0);
00640                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableTexGen (0, <font class="keyword">false</font>);
00641 
00642                 <font class="comment">// And disable other stages.</font>
00643                 <font class="keywordflow">for</font>(sint stage=1 ; stage&lt;<a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>() ; stage++)
00644                 {
00645                         <font class="comment">// disable texturing.</font>
00646                         <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(stage, NULL);
00647                 }
00648 
00649                 <font class="keywordflow">return</font>;
00650         }
00651 
00652         <a class="code" href="debug_8h.html#a6">nlassert</a>(pass&lt;<a class="code" href="classNL3D_1_1CDriverGL.html#z407_7">_NLightMapPass</a>);
00653 
00654 
00655         <font class="comment">// setup Texture Pass.</font>
00656         <font class="comment">//=========================</font>
00657         uint    lmapId;
00658         uint    nstages;
00659         lmapId= pass * <a class="code" href="classNL3D_1_1CDriverGL.html#z407_6">_NLightMapPerPass</a>; <font class="comment">// Nb lightmaps already processed</font>
00660         <font class="comment">// N lightmaps for this pass, plus the texture.</font>
00661         nstages= <a class="code" href="bit__set_8cpp.html#a0">std::min</a>(<a class="code" href="classNL3D_1_1CDriverGL.html#z407_6">_NLightMapPerPass</a>, <a class="code" href="classNL3D_1_1CDriverGL.html#z407_5">_NLightMaps</a>-lmapId) + 1;
00662         <font class="comment">// setup all stages.</font>
00663         <font class="keywordflow">for</font>(uint stage= 0; stage&lt;(uint)<a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>(); stage++)
00664         {
00665                 <font class="comment">// if must setup a lightmap stage.</font>
00666                 <font class="keywordflow">if</font>(stage&lt;nstages-1)
00667                 {
00668                         <font class="comment">// setup lightMap.</font>
00669                         uint    whichLightMap= <a class="code" href="classNL3D_1_1CDriverGL.html#z407_8">_LightMapLUT</a>[lmapId];
00670                         <font class="comment">// get text and factor.</font>
00671                         ITexture *text   = mat._LightMaps[whichLightMap].Texture;
00672                         CRGBA lmapFactor = mat._LightMaps[whichLightMap].Factor;
00673                         lmapFactor.A= 255;
00674 
00675                         <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(stage,text);
00676 
00677                         <font class="comment">// If texture not NULL, Change texture env fonction.</font>
00678                         <font class="comment">//==================================================</font>
00679                         <font class="keywordflow">if</font>(text)
00680                         {
00681                                 <font class="keyword">static</font> CMaterial::CTexEnv       stdEnv;
00682 
00683                                 <font class="comment">// NB, !_Extensions.NVTextureEnvCombine4, nstages==2, so here always stage==0.</font>
00684                                 <font class="keywordflow">if</font> (stage==0)
00685                                 {
00686                                         <font class="comment">// do not use consant color to blend lightmap, but incoming diffuse color, for stage0 only.</font>
00687                                         <font class="comment">// (NB: lighting and vertexcolorArray are disabled here)</font>
00688                                         glColor4ub(lmapFactor.R, lmapFactor.G, lmapFactor.B, 255);
00689 
00690                                         <font class="comment">// Leave stage as default env (Modulate with previous)</font>
00691                                         <a class="code" href="classNL3D_1_1CDriverGL.html#c3">activateTexEnvMode</a>(stage, stdEnv);
00692 
00693                                         <font class="comment">// Setup gen tex off</font>
00694                                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(stage);
00695                                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableTexGen (stage, <font class="keyword">false</font>);
00696                                 }
00697                                 <font class="keywordflow">else</font>
00698                                 {
00699                                         <font class="comment">// Here, we are sure that texEnvCombine4 or texEnvCombine3 is OK.</font>
00700                                         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureEnvCombine4 || <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.ATIXTextureEnvCombine3);
00701 
00702                                         <font class="comment">// setup constant color with Lightmap factor.</font>
00703                                         stdEnv.ConstantColor=lmapFactor;
00704                                         <a class="code" href="classNL3D_1_1CDriverGL.html#c4">activateTexEnvColor</a>(stage, stdEnv);
00705 
00706 
00707                                         <font class="comment">// TexEnv is special.</font>
00708                                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[stage] = <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u1">TexEnvSpecialLightMap</a>;
00709 
00710                                         <font class="comment">// Setup env for texture stage.</font>
00711                                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(stage);
00712 
00713                                         <font class="comment">// setup TexEnvCombine4 (ignore alpha part).</font>
00714                                         <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[stage] != <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u1">TexEnvSpecialLightMap</a>)
00715                                         {
00716                                                 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureEnvCombine4)
00717                                                 {                                                                                       
00718                                                         <font class="comment">// What we want to setup is  Texture*Constant + Previous*1.</font>
00719                                                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV);
00720 
00721                                                         <font class="comment">// Operator.</font>
00722                                                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_ADD );
00723                                                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_ADD );
00724                                                         <font class="comment">// Arg0.</font>
00725                                                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE );
00726                                                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR);
00727                                                         <font class="comment">// Arg1.</font>
00728                                                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_CONSTANT_EXT );
00729                                                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR);
00730                                                         <font class="comment">// Arg2.</font>
00731                                                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_PREVIOUS_EXT );
00732                                                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
00733                                                         <font class="comment">// Arg3.</font>
00734                                                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_NV, GL_ZERO);
00735                                                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_NV, GL_ONE_MINUS_SRC_COLOR);
00736                                                 }                                                                                                                               
00737                                                 <font class="keywordflow">else</font>
00738                                                 {
00739                                                         <font class="comment">// ATI EnvCombine3</font>
00740                                                         <font class="comment">// What we want to setup is  Texture*Constant + Previous.</font>
00741                                                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
00742                                                         <font class="comment">// Operator.</font>
00743                                                         glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, <a class="code" href="driver__opengl__extension__def_8h.html#a342">GL_MODULATE_ADD_ATIX</a>);
00744                                                         glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, <a class="code" href="driver__opengl__extension__def_8h.html#a342">GL_MODULATE_ADD_ATIX</a>);                                          
00745                                                         <font class="comment">// Arg0.</font>
00746                                                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE );
00747                                                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR);
00748                                                         <font class="comment">// Arg1.</font>
00749                                                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_CONSTANT_EXT );
00750                                                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR);
00751                                                         <font class="comment">// Arg2.</font>
00752                                                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_PREVIOUS_EXT );
00753                                                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
00754                                                 }
00755                                         }
00756                                 }
00757 
00758                                 <font class="comment">// setup UV, with UV1. Only if needed (cached)</font>
00759                                 <font class="keywordflow">if</font>( !<a class="code" href="classNL3D_1_1CDriverGL.html#z407_10">_LastVertexSetupIsLightMap</a> || <a class="code" href="classNL3D_1_1CDriverGL.html#z407_11">_LightMapUVMap</a>[stage]!=1 )
00760                                 {
00761                                         <a class="code" href="classNL3D_1_1CDriverGL.html#c14">setupUVPtr</a>(stage, <a class="code" href="classNL3D_1_1CDriverGL.html#z406_3">_LastVB</a>, 1);
00762                                         <a class="code" href="classNL3D_1_1CDriverGL.html#z407_11">_LightMapUVMap</a>[stage]= 1;
00763                                 }
00764                         }
00765 
00766                         <font class="comment">// Next lightmap.</font>
00767                         lmapId++;
00768                 }
00769                 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(stage&lt;nstages)
00770                 {
00771                         <font class="comment">// optim: do this only for first pass, and last pass only if stage!=nLMapPerPass </font>
00772                         <font class="comment">// (meaning not the same stage as preceding passes).</font>
00773                         <font class="keywordflow">if</font>(pass==0 || (pass==<a class="code" href="classNL3D_1_1CDriverGL.html#z407_7">_NLightMapPass</a>-1 &amp;&amp; stage!=<a class="code" href="classNL3D_1_1CDriverGL.html#z407_6">_NLightMapPerPass</a>))
00774                         {
00775                                 <font class="comment">// activate the texture at last stage.</font>
00776                                 ITexture        *text= mat.getTexture(0);
00777                                 <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(stage,text);
00778 
00779                                 <font class="comment">// setup ModulateRGB/ReplaceAlpha env. (this may disable possible COMBINE4_NV setup).</font>
00780                                 <a class="code" href="classNL3D_1_1CDriverGL.html#c3">activateTexEnvMode</a>(stage, <a class="code" href="classNL3D_1_1CDriverGL.html#z407_9">_LightMapLastStageEnv</a>);
00781 
00782                                 <font class="comment">// Setup gen tex off</font>
00783                                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(stage);
00784                                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableTexGen (stage, <font class="keyword">false</font>);
00785 
00786                                 <font class="comment">// setup UV, with UV0. Only if needed (cached)</font>
00787                                 <font class="keywordflow">if</font>( !<a class="code" href="classNL3D_1_1CDriverGL.html#z407_10">_LastVertexSetupIsLightMap</a> || <a class="code" href="classNL3D_1_1CDriverGL.html#z407_11">_LightMapUVMap</a>[stage]!=0 )
00788                                 {
00789                                         <a class="code" href="classNL3D_1_1CDriverGL.html#c14">setupUVPtr</a>(stage, <a class="code" href="classNL3D_1_1CDriverGL.html#z406_3">_LastVB</a>, 0);
00790                                         <a class="code" href="classNL3D_1_1CDriverGL.html#z407_11">_LightMapUVMap</a>[stage]= 0;
00791                                 }
00792                         }
00793                 }
00794                 <font class="keywordflow">else</font>
00795                 {
00796                         <font class="comment">// else all other stages are disabled.</font>
00797                         <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(stage,NULL);
00798                 }
00799         }
00800 
00801 
00802         <font class="comment">// setup blend / lighting.</font>
00803         <font class="comment">//=========================</font>
00804 
00805         <font class="comment">/* If multi-pass, then must setup a black Fog color for 1+ pass (just do it for the pass 1).</font>
00806 <font class="comment">                This is because Transparency ONE/ONE is used.</font>
00807 <font class="comment">        */</font>
00808         <font class="keywordflow">if</font>(pass==1 &amp;&amp; <a class="code" href="classNL3D_1_1CDriverGL.html#o16">_FogEnabled</a>)
00809         {
00810                 <font class="keyword">static</font>  GLfloat         blackFog[4]= {0,0,0,0};
00811                 glFogfv(GL_FOG_COLOR, blackFog);
00812         }
00813 
00814         <font class="comment">// Blend is different if the material is blended or not</font>
00815         <font class="keywordflow">if</font>( !mat.getBlend() )
00816         {
00817                 <font class="comment">// Not blended, std case.</font>
00818                 <font class="keywordflow">if</font>(pass==0)
00819                 {
00820                         <font class="comment">// no transparency for first pass.</font>
00821                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableBlend(<font class="keyword">false</font>);
00822                 }
00823                 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(pass==1)
00824                 {
00825                         <font class="comment">// setup an Additive transparency (only for pass 1, will be kept for successives pass).</font>
00826                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableBlend(<font class="keyword">true</font>);
00827                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.blendFunc(GL_ONE, GL_ONE);
00828                 }
00829         }
00830         <font class="keywordflow">else</font>
00831         {
00832                 <font class="comment">/* 1st pass, std alphaBlend. 2nd pass, add to background. Demo:</font>
00833 <font class="comment">                        T: texture.</font>
00834 <font class="comment">                        l0: lightmap (or group of lightmap) of pass 0.</font>
00835 <font class="comment">                        l1: lightmap (or group of lightmap) of pass 1. (same thing with 2,3 etc....)</font>
00836 <font class="comment">                        B:      Background.</font>
00837 <font class="comment">                        A:      Alpha of texture.</font>
00838 <font class="comment"></font>
00839 <font class="comment">                        finalResult= T*(l0+l1) * A + B * (1-A).</font>
00840 <font class="comment"></font>
00841 <font class="comment">                        We get it in two pass:</font>
00842 <font class="comment">                                fint=                   T*l0 * A + B * (1-A).</font>
00843 <font class="comment">                                finalResult=    T*l1 * A + fint = T*l1 * A + T*l0 * A + B * (1-A)=</font>
00844 <font class="comment">                                        T* (l0+l1) * A + B * (1-A)</font>
00845 <font class="comment">                */</font>
00846                 <font class="keywordflow">if</font>(pass==0)
00847                 {
00848                         <font class="comment">// no transparency for first pass.</font>
00849                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableBlend(<font class="keyword">true</font>);
00850                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.blendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
00851                 }
00852                 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(pass==1)
00853                 {
00854                         <font class="comment">// setup an Additive transparency (only for pass 1, will be kept for successives pass).</font>
00855                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableBlend(<font class="keyword">true</font>);
00856                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.blendFunc(GL_SRC_ALPHA, GL_ONE);
00857                 }
00858         }
00859 
00860 }
00861 <font class="comment">// ***************************************************************************</font>
<a name="l00862"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z407_3">00862</a> <font class="keywordtype">void</font>                    CDriverGL::endLightMapMultiPass()
00863 {
00864         <font class="comment">// Cache it. reseted in setupGLArrays(), and setupMaterial()</font>
00865         <a class="code" href="classNL3D_1_1CDriverGL.html#z407_10">_LastVertexSetupIsLightMap</a>= <font class="keyword">true</font>;
00866 
00867         <font class="comment">// If multi-pass, then must reset the fog color</font>
00868         <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z407_7">_NLightMapPass</a>&gt;=2 &amp;&amp; <a class="code" href="classNL3D_1_1CDriverGL.html#o16">_FogEnabled</a>)
00869         {
00870                 glFogfv(GL_FOG_COLOR, <a class="code" href="classNL3D_1_1CDriverGL.html#o17">_CurrentFogColor</a>);
00871         }
00872 
00873         <font class="comment">// nothing to do with blending/lighting, since always setuped in activeMaterial().</font>
00874         <font class="comment">// If material is the same, then it is still a lightmap material (if changed =&gt; touched =&gt; different!)</font>
00875         <font class="comment">// So no need to reset lighting/blending here.</font>
00876 }
00877 
00878 
00879 <font class="comment">// ***************************************************************************</font>
<a name="l00880"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z407_4">00880</a> <font class="keywordtype">void</font>                    CDriverGL::resetLightMapVertexSetup()
00881 {
00882         <font class="comment">// special for all stage, std UV behavior.</font>
00883         <font class="keywordflow">for</font>(sint i=0; i&lt;<a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>(); i++)
00884         {
00885                 <font class="comment">// normal behavior: each texture has its own UV.</font>
00886                 <a class="code" href="classNL3D_1_1CDriverGL.html#c14">setupUVPtr</a>(i, <a class="code" href="classNL3D_1_1CDriverGL.html#z406_3">_LastVB</a>, i);
00887                 <font class="comment">// reset cache</font>
00888                 <a class="code" href="classNL3D_1_1CDriverGL.html#z407_11">_LightMapUVMap</a>[i]= -1;
00889         }
00890 
00891         <font class="comment">// pop VertexColor array if necessary.</font>
00892         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z406_3">_LastVB</a>.VertexFormat &amp; CVertexBuffer::PrimaryColorFlag)
00893                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableColorArray(<font class="keyword">true</font>);
00894 
00895         <font class="comment">// flag</font>
00896         <a class="code" href="classNL3D_1_1CDriverGL.html#z407_10">_LastVertexSetupIsLightMap</a>= <font class="keyword">false</font>;
00897 }
00898 
00899 
00900 <font class="comment">// ***************************************************************************</font>
<a name="l00901"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z408_0">00901</a> sint                    CDriverGL::beginSpecularMultiPass()
00902 {
00903         <font class="keyword">const</font> CMaterial &amp;mat= *<a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>;
00904 
00905         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(1);
00906         glMatrixMode(GL_TEXTURE);
00907         glLoadMatrixf( <a class="code" href="classNL3D_1_1CDriverGL.html#o13">_TexMtx</a>.get() );
00908         glMatrixMode(GL_MODELVIEW);
00909 
00910         <font class="comment">// Manage the rare case when the SpecularMap is not provided (fault of graphist).</font>
00911         <font class="keywordflow">if</font>(mat.getTexture(1)==NULL)
00912                 <font class="keywordflow">return</font> 1;
00913 
00914         <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.ARBTextureCubeMap)
00915                 <font class="keywordflow">return</font> 1;
00916 
00917         <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureEnvCombine4 || <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.ATIXTextureEnvCombine3) <font class="comment">// NVidia or ATI optimization</font>
00918                 <font class="keywordflow">return</font> 1;
00919         <font class="keywordflow">else</font>
00920                 <font class="keywordflow">return</font> 2;
00921 
00922 }
00923 <font class="comment">// ***************************************************************************</font>
<a name="l00924"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z408_1">00924</a> <font class="keywordtype">void</font>                    CDriverGL::setupSpecularPass(uint pass)
00925 {
00926         <font class="keyword">const</font> CMaterial &amp;mat= *<a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>;
00927 
00928         <font class="comment">// Manage the rare case when the SpecularMap is not provided (error of a graphist).</font>
00929         <font class="keywordflow">if</font>(mat.getTexture(1)==NULL)
00930         {
00931                 <font class="comment">// Just display the texture forcing no blend (as in std case).</font>
00932                 <font class="comment">// NB: setupMaterial() code has correclty setuped textures.</font>
00933                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableBlend(<font class="keyword">false</font>);
00934                 <font class="keywordflow">return</font>;
00935         }
00936 
00938         <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureEnvCombine4 )
00939         {       <font class="comment">// Ok we can do it in a single pass</font>
00940                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableBlend(<font class="keyword">false</font>);
00941 
00942                 <font class="comment">// Stage 0</font>
00943                 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[0] != <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u2">TexEnvSpecialSpecularStage0</a>)
00944                 {
00945                         <font class="comment">// TexEnv is special.</font>
00946                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[0] = <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u2">TexEnvSpecialSpecularStage0</a>;
00947 
00948                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(0);
00949                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV);
00950                         <font class="comment">// Operator.</font>
00951                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_ADD );
00952                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_ADD );
00953                         <font class="comment">// Arg0.</font>
00954                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE );
00955                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR );
00956                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE );
00957                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, GL_SRC_ALPHA );
00958                         <font class="comment">// Arg1.</font>
00959                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
00960                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR);
00961                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, GL_ZERO );
00962                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT, GL_ONE_MINUS_SRC_ALPHA );
00963                         <font class="comment">// Arg2.</font>
00964                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_ZERO );
00965                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR );
00966                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT, GL_ZERO );
00967                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT, GL_SRC_ALPHA );
00968                         <font class="comment">// Arg3.</font>
00969                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_NV, GL_ZERO );
00970                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_NV, GL_SRC_COLOR);
00971                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_ALPHA_NV, GL_ZERO );
00972                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_ALPHA_NV, GL_SRC_ALPHA );
00973                         <font class="comment">// Result RGB : Texture*Diffuse, Alpha : Texture</font>
00974                 }
00975 
00976                 <font class="comment">// Set Stage 1</font>
00977                 <font class="comment">// Special: not the same sepcial env if there is or not texture in stage 0.</font>
00978                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0">CTexEnvSpecial</a>          newEnvStage1;
00979                 <font class="keywordflow">if</font>( mat.getTexture(0) == NULL )
00980                         newEnvStage1= <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u4">TexEnvSpecialSpecularStage1NoText</a>;
00981                 <font class="keywordflow">else</font>
00982                         newEnvStage1= <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u3">TexEnvSpecialSpecularStage1</a>;
00983                 <font class="comment">// Test if same env as prec.</font>
00984                 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[1] != newEnvStage1)
00985                 {
00986                         <font class="comment">// TexEnv is special.</font>
00987                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[1] = newEnvStage1;
00988 
00989                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(1);
00990                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV);
00991                         <font class="comment">// Operator Add (Arg0*Arg1+Arg2*Arg3)</font>
00992                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_ADD );
00993                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_ADD );
00994                         <font class="comment">// Arg0.</font>
00995                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE );
00996                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR );
00997                         <font class="comment">// Arg1.</font>
00998                         <font class="keywordflow">if</font>( newEnvStage1 == <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u4">TexEnvSpecialSpecularStage1NoText</a> )
00999                         {
01000                                 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_ZERO );
01001                                 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_ONE_MINUS_SRC_COLOR);
01002                         }
01003                         <font class="keywordflow">else</font>
01004                         {
01005                                 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT );
01006                                 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_ALPHA );
01007                         }
01008                         <font class="comment">// Arg2.</font>
01009                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_PREVIOUS_EXT );
01010                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR );
01011                         <font class="comment">// Arg3.</font>
01012                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_NV, GL_ZERO );
01013                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_NV, GL_ONE_MINUS_SRC_COLOR);
01014                         <font class="comment">// Result : Texture*Previous.Alpha+Previous</font>
01015                 }
01016 
01017                 <font class="comment">// Setup TexCoord gen for stage1.</font>
01018                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(1);
01019                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureCubeMap);
01020                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTexGenMode (1, GL_REFLECTION_MAP_ARB);
01021                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableTexGen (1, <font class="keyword">true</font>);
01022         }
01023         <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.ATIXTextureEnvCombine3)
01024         {
01025                 <font class="comment">// Ok we can do it in a single pass</font>
01026                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableBlend(<font class="keyword">false</font>);
01027 
01028                 <font class="comment">// Stage 0</font>
01029                 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[0] != <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u2">TexEnvSpecialSpecularStage0</a>)
01030                 {
01031                         <font class="comment">// TexEnv is special.</font>
01032                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[0] = <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u2">TexEnvSpecialSpecularStage0</a>;
01033 
01034                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(0);            
01035                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
01036                         <font class="comment">// Operator Mad (Arg0 * Arg2 + Arg1)                    </font>
01037                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE );
01038                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE );
01039                         <font class="comment">// Arg0.</font>
01040                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE );
01041                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR );
01042                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE );
01043                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, GL_SRC_ALPHA );
01044                         <font class="comment">// Arg1.</font>
01045                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
01046                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR);                   
01047                         <font class="comment">// Result RGB : Texture*Diffuse, Alpha : Texture</font>
01048                 }
01049 
01050                 <font class="comment">// Set Stage 1</font>
01051                 <font class="comment">// Special: not the same sepcial env if there is or not texture in stage 0.</font>
01052                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0">CTexEnvSpecial</a>          newEnvStage1;
01053                 <font class="keywordflow">if</font>( mat.getTexture(0) == NULL )
01054                         newEnvStage1= <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u4">TexEnvSpecialSpecularStage1NoText</a>;
01055                 <font class="keywordflow">else</font>
01056                         newEnvStage1= <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u3">TexEnvSpecialSpecularStage1</a>;
01057                 <font class="comment">// Test if same env as prec.</font>
01058                 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[1] != newEnvStage1)
01059                 {
01060                         <font class="comment">// TexEnv is special.</font>
01061                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[1] = newEnvStage1;
01062 
01063                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(1);
01064                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
01065                         <font class="comment">// Operator Add (Arg0*Arg1+Arg2*Arg3)</font>
01066                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, <a class="code" href="driver__opengl__extension__def_8h.html#a342">GL_MODULATE_ADD_ATIX</a> );
01067                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, <a class="code" href="driver__opengl__extension__def_8h.html#a342">GL_MODULATE_ADD_ATIX</a> );
01068                         <font class="comment">// Arg0.</font>
01069                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE );
01070                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR );
01071                         <font class="comment">// Arg2.</font>
01072                         <font class="keywordflow">if</font>( newEnvStage1 == <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u4">TexEnvSpecialSpecularStage1NoText</a> )
01073                         {
01074                                 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_ZERO );
01075                                 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_ONE_MINUS_SRC_COLOR);
01076                         }
01077                         <font class="keywordflow">else</font>
01078                         {
01079                                 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_PREVIOUS_EXT );
01080                                 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_ALPHA );
01081                         }
01082                         <font class="comment">// Arg1.</font>
01083                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT );
01084                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR );                  
01085                         <font class="comment">// Result : Texture*Previous.Alpha+Previous</font>
01086                 }
01087 
01088                 <font class="comment">// Setup TexCoord gen for stage1.</font>
01089                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(1);
01090                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureCubeMap);
01091                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTexGenMode (1, GL_REFLECTION_MAP_ARB);
01092                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableTexGen (1, <font class="keyword">true</font>);
01093         }
01094         <font class="keywordflow">else</font>
01095         { <font class="comment">// We have to do it in 2 passes</font>
01096 
01097                 <font class="keywordflow">if</font>( pass == 0 )
01098                 { <font class="comment">// Just display the texture</font>
01099                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableBlend(<font class="keyword">false</font>);
01100                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(1);
01101                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureDisabled);
01102                 }
01103                 <font class="keywordflow">else</font>
01104                 { <font class="comment">// Multiply texture1 by alpha_texture0 and display with add</font>
01105                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableBlend(<font class="keyword">true</font>);
01106                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.blendFunc(GL_ONE, GL_ONE);
01107 
01108                         <font class="comment">// Set stage 0</font>
01109                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(0);
01110                         CMaterial::CTexEnv      env;
01111 
01112                         env.Env.OpRGB = CMaterial::Replace;
01113                         env.Env.SrcArg0RGB = CMaterial::Texture;
01114                         env.Env.OpArg0RGB = CMaterial::SrcAlpha;
01115 
01116                         <a class="code" href="classNL3D_1_1CDriverGL.html#c3">activateTexEnvMode</a>(0, env);
01117 
01118 
01119                         <font class="comment">// Set stage 1</font>
01120                         <font class="keywordflow">if</font>( mat.getTexture(0) == NULL )
01121                         {
01122                                 env.Env.OpRGB = CMaterial::Replace;
01123                                 env.Env.SrcArg0RGB = CMaterial::Texture;
01124                                 env.Env.OpArg0RGB = CMaterial::SrcColor;
01125                         }
01126                         <font class="keywordflow">else</font>
01127                         {
01128                                 env.Env.OpRGB = CMaterial::Modulate;
01129                                 env.Env.SrcArg0RGB = CMaterial::Texture;
01130                                 env.Env.OpArg0RGB = CMaterial::SrcColor;
01131                         
01132                                 env.Env.SrcArg1RGB = CMaterial::Previous;
01133                                 env.Env.OpArg1RGB = CMaterial::SrcColor;
01134                         }
01135 
01136                         <a class="code" href="classNL3D_1_1CDriverGL.html#c3">activateTexEnvMode</a>(1, env);
01137 
01138                         <font class="comment">// Set Stage 1</font>
01139                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(1);
01140                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureCubeMap);
01141                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTexGenMode (1, GL_REFLECTION_MAP_ARB);
01142                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableTexGen (1, <font class="keyword">true</font>);
01143                 }
01144         }
01145 }
01146 <font class="comment">// ***************************************************************************</font>
<a name="l01147"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z408_2">01147</a> <font class="keywordtype">void</font>                    CDriverGL::endSpecularMultiPass()
01148 {
01149         <font class="comment">// Disable Texture coord generation.</font>
01150         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(1);
01151         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.enableTexGen (1, <font class="keyword">false</font>);
01152         <font class="comment">//_DriverGLStates.setTextureMode(1, CDriverGLStates::TextureDisabled);</font>
01153 
01154         <font class="comment">// Happiness !!! we have already enabled the stage 1</font>
01155         glMatrixMode(GL_TEXTURE);
01156         glLoadIdentity();
01157         glMatrixMode(GL_MODELVIEW);
01158 }
01159 
01160 
01161 <font class="comment">// a functor that can is used to generate a cube map used for specular / diffuse lighting</font>
<a name="l01162"></a><a class="code" href="structNL3D_1_1CSpecCubeMapFunctor.html">01162</a> <font class="keyword">struct </font>CSpecCubeMapFunctor : ICubeMapFunctor
01163 {
<a name="l01164"></a><a class="code" href="structNL3D_1_1CSpecCubeMapFunctor.html#a0">01164</a>         <a class="code" href="structNL3D_1_1CSpecCubeMapFunctor.html#a0">CSpecCubeMapFunctor</a>(<font class="keywordtype">float</font> exp) : <a class="code" href="structNL3D_1_1CSpecCubeMapFunctor.html#m0">Exp</a>(exp) {}
<a name="l01165"></a><a class="code" href="structNL3D_1_1CSpecCubeMapFunctor.html#a1">01165</a>         <font class="keyword">virtual</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> <a class="code" href="structNL3D_1_1CSpecCubeMapFunctor.html#a1">operator()</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>)
01166         {
01167                 
01168                 uint8 intensity = (uint8) (255.f * ::powf(std::max(v.<a class="code" href="classNLMISC_1_1CVector.html#z331_5">normed</a>().z, 0.f), <a class="code" href="structNL3D_1_1CSpecCubeMapFunctor.html#m0">Exp</a>));
01169                 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>(intensity, intensity, intensity, intensity);               
01170                 <font class="comment">//return Exp == 1.f ? CRGBA((uint8)(v.x*127+127), (uint8)(v.y*127+127), (uint8)(v.z*127+127), 0): CRGBA::Black;</font>
01171         }
<a name="l01172"></a><a class="code" href="structNL3D_1_1CSpecCubeMapFunctor.html#m0">01172</a>         <font class="keywordtype">float</font> <a class="code" href="structNL3D_1_1CSpecCubeMapFunctor.html#m0">Exp</a>;
01173 };
01174 
01175 
01176 <font class="comment">/* </font>
01177 <font class="comment">const uint MaxSpecularExp = 64;</font>
01178 <font class="comment">const uint SpecularExpStep = 8;</font>
01179 <font class="comment">const uint SpecularMapSize = 32; */</font>
01180 
01181 
01182 <font class="comment">// ***************************************************************************</font>
<a name="l01183"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z409_8">01183</a> CTextureCube    *CDriverGL::getSpecularCubeMap(uint exp)
01184 {
01185         <font class="keyword">const</font> uint SpecularMapSize = 32;
01186         <font class="keyword">const</font> uint SpecularMapSizeHighExponent = 64;
01187         <font class="keyword">const</font> <font class="keywordtype">float</font> HighExponent = 128.f;
01188         <font class="keyword">const</font> uint MaxExponent = 512;
01189         <font class="comment">// this gives the cube map to use given an exponent (from 0 to 128)</font>
01190         <font class="keyword">static</font> uint16 expToCubeMap[MaxExponent];        
01191         <font class="comment">// this gives the exponent used by a given cube map (not necessarily ordered)</font>
01192         <font class="keyword">static</font> <font class="keywordtype">float</font> cubeMapExp[] = 
01193         {
01194                 1.f, 4.f, 8.f, 24.f, 48.f, 128.f, 256.f, 511.f
01195         };
01196         <font class="keyword">const</font> uint numCubeMap = <font class="keyword">sizeof</font>(expToCubeMap) / <font class="keyword">sizeof</font>(float);
01197         <font class="keyword">static</font> <font class="keywordtype">bool</font> tableBuilt = <font class="keyword">false</font>;
01198 
01199         <font class="keywordflow">if</font> (!tableBuilt)
01200         {
01201                 <font class="keywordflow">for</font> (uint k = 0; k &lt; MaxExponent; ++k)
01202                 {                       
01203                         uint nearest = 0;
01204                         <font class="keywordtype">float</font> diff = (float) MaxExponent;
01205                         <font class="comment">// look for the nearest exponent</font>
01206                         <font class="keywordflow">for</font> (uint <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> = 0; <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> &lt; numCubeMap; ++<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>)
01207                         {
01208                                 <font class="keywordtype">float</font> newDiff = ::fabsf(k - cubeMapExp[<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>]);
01209                                 <font class="keywordflow">if</font> (newDiff &lt; diff)
01210                                 {
01211                                         diff = newDiff;
01212                                         nearest = <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>;
01213                                 }
01214                         }
01215                         expToCubeMap[k] = nearest;
01216                 }
01217                 tableBuilt = <font class="keyword">true</font>;              
01218         }
01219 
01220         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z409_10">_SpecularTextureCubes</a>.empty())
01221         {
01222                 <a class="code" href="classNL3D_1_1CDriverGL.html#z409_10">_SpecularTextureCubes</a>.resize(MaxExponent);
01223         }
01224 
01225                 
01226         <a class="code" href="namespaceNLMISC.html#a215">NLMISC::clamp</a>(exp, 1u, (MaxExponent - 1));
01227 
01228 
01229         uint cubeMapIndex = expToCubeMap[(uint) exp];
01230         <a class="code" href="debug_8h.html#a6">nlassert</a>(cubeMapIndex &lt; numCubeMap);    
01231         
01232         
01233         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z409_10">_SpecularTextureCubes</a>[cubeMapIndex] != NULL) <font class="comment">// has the cube map already been cted ?</font>
01234         { 
01235                 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CDriverGL.html#z409_10">_SpecularTextureCubes</a>[cubeMapIndex]; 
01236         }
01237         <font class="keywordflow">else</font> <font class="comment">// build the cube map</font>
01238         {               
01239                 <font class="keywordtype">float</font> exponent    = cubeMapExp[cubeMapIndex];
01240                 CSpecCubeMapFunctor scmf(exponent);
01241                 <font class="keyword">const</font> uint bufSize = 128;
01242                 <font class="keywordtype">char</font> name[bufSize];
01243                 <a class="code" href="namespaceNLMISC.html#a211">NLMISC::smprintf</a>(name, bufSize, <font class="stringliteral">"#SM%d"</font>, cubeMapIndex);
01244                 CTextureCube *tc = <a class="code" href="namespaceNL3D.html#a321">BuildCubeMap</a>(exponent &gt;= HighExponent ? SpecularMapSizeHighExponent
01245                                                                                                                                 : SpecularMapSize,
01246                                                                                 scmf,
01247                                                                                 <font class="keyword">false</font>,
01248                                                                                 name);
01249 
01250                 <font class="keyword">static</font> <font class="keyword">const</font> CTextureCube::TFace numToFace[] =
01251                 { CTextureCube::positive_x,
01252                   CTextureCube::negative_x, 
01253                   CTextureCube::positive_y, 
01254                   CTextureCube::negative_y, 
01255                   CTextureCube::positive_z, 
01256                   CTextureCube::negative_z 
01257                 };
01258 
01259                 <font class="keywordflow">if</font> (exponent != 1.f)
01260                 {
01261                         <font class="comment">// force 16 bit for specular part, 32 bit if exponent is 1 (diffuse part)</font>
01262                         <font class="keywordflow">for</font> (uint k = 0; k &lt; 6; ++k)
01263                         {
01264                                 <a class="code" href="debug_8h.html#a6">nlassert</a>(tc-&gt;getTexture(numToFace[k]));
01265                                 tc-&gt;getTexture(numToFace[k])-&gt;setUploadFormat(ITexture::RGB565);
01266                         }
01267                 }
01268 
01269                 <a class="code" href="classNL3D_1_1CDriverGL.html#z409_10">_SpecularTextureCubes</a>[cubeMapIndex] = tc;
01270                 <font class="keywordflow">return</font> tc;
01271         }
01272 }
01273 
01274 <font class="comment">// ***************************************************************************</font>
<a name="l01275"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z409_2">01275</a> sint                    CDriverGL::beginPPLMultiPass()
01276 {
01277 <font class="preprocessor">        #ifdef NL_DEBUG</font>
01278 <font class="preprocessor"></font>                <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CDriverGL.html#a86">supportPerPixelLighting</a>(<font class="keyword">true</font>)); <font class="comment">// make sure the hardware can do that</font>
01279 <font class="preprocessor">        #endif</font>
01280 <font class="preprocessor"></font>        <font class="keywordflow">return</font> 1;
01281 }
01282 
01283 <font class="comment">// ***************************************************************************</font>
<a name="l01284"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z409_3">01284</a> <font class="keywordtype">void</font>                    CDriverGL::setupPPLPass(uint pass)
01285 {
01286         <font class="keyword">const</font> CMaterial &amp;mat= *<a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>;
01287 
01288         <a class="code" href="debug_8h.html#a6">nlassert</a>(pass == 0);
01289 
01290 <font class="comment">/*      ITexture *tex0 = getSpecularCubeMap(1);</font>
01291 <font class="comment">        if (tex0) setupTexture(*tex0);</font>
01292 <font class="comment">        activateTexture(0, tex0);</font>
01293 <font class="comment">        </font>
01294 <font class="comment"></font>
01295 <font class="comment">        static CMaterial::CTexEnv       env;</font>
01296 <font class="comment">        env.Env.SrcArg0Alpha = CMaterial::Diffuse;              </font>
01297 <font class="comment">        env.Env.SrcArg1Alpha = CMaterial::Constant;             </font>
01298 <font class="comment">        env.Env.SrcArg0RGB = CMaterial::Diffuse;        </font>
01299 <font class="comment">        env.Env.SrcArg1RGB = CMaterial::Constant;</font>
01300 <font class="comment">        env.Env.OpRGB = CMaterial::Replace;</font>
01301 <font class="comment">        env.Env.OpAlpha = CMaterial::Replace;</font>
01302 <font class="comment">        activateTexEnvMode(0, env);</font>
01303 <font class="comment"></font>
01304 <font class="comment">        return;*/</font>
01305 
01306         ITexture *tex0 = <a class="code" href="classNL3D_1_1CDriverGL.html#z409_8">getSpecularCubeMap</a>(1); 
01307         <font class="keywordflow">if</font> (tex0) <a class="code" href="classNL3D_1_1CDriverGL.html#a18">setupTexture</a>(*tex0);
01308         ITexture *tex2 = <a class="code" href="classNL3D_1_1CDriverGL.html#z409_8">getSpecularCubeMap</a>((uint) mat.getShininess());
01309         <font class="keywordflow">if</font> (tex2) <a class="code" href="classNL3D_1_1CDriverGL.html#a18">setupTexture</a>(*tex2);
01310         <font class="keywordflow">if</font> (mat.getTexture(0)) <a class="code" href="classNL3D_1_1CDriverGL.html#a18">setupTexture</a>(*mat.getTexture(0));
01311 
01312         <font class="comment">// tex coord 0 = texture coordinates</font>
01313         <font class="comment">// tex coord 1 = normal in tangent space</font>
01314         <font class="comment">// tex coord 2 = half angle vector in tangent space</font>
01315 
01316         <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(0, tex0);
01317         <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(1, mat.getTexture(0));
01318         <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(2, tex2);
01319 
01320         <font class="keywordflow">for</font> (uint k = 3; k &lt; (uint) <a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>(); ++k)
01321         {
01322                 <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(k, NULL);
01323         }
01324 
01325         <font class="comment">// setup the tex envs</font>
01326 
01327 
01328         <font class="comment">// Stage 0 is rgb = DiffuseCubeMap * LightColor + DiffuseGouraud * 1 (TODO : EnvCombine3)</font>
01329         <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[0] != <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u5">TexEnvSpecialPPLStage0</a>)
01330         {
01331                 <font class="comment">// TexEnv is special.</font>
01332                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[0] = <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u5">TexEnvSpecialPPLStage0</a>;
01333                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(0);
01334 
01335                 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureEnvCombine4)
01336                 {               
01337                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV);
01338                         
01339                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_ADD);                  
01340                         <font class="comment">// Arg0 = Diffuse read in cube map</font>
01341                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
01342                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR);
01343                         <font class="comment">// Arg1 = Light color</font>
01344                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_CONSTANT_EXT);
01345                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR);
01346                         <font class="comment">// Arg2 = Primary color (other light diffuse and </font>
01347                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_PRIMARY_COLOR_EXT);
01348                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
01349                         <font class="comment">// Arg3 = White (= ~ Black)</font>
01350                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_NV, GL_ZERO);
01351                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_NV, GL_ONE_MINUS_SRC_COLOR);
01352                 }
01353                 <font class="keywordflow">else</font> <font class="comment">// use ATI extension</font>
01354                 {
01355                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
01356                         
01357                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, <a class="code" href="driver__opengl__extension__def_8h.html#a342">GL_MODULATE_ADD_ATIX</a>);                    
01358                         <font class="comment">// Arg0 = Diffuse read in cube map</font>
01359                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
01360                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR);
01361                         <font class="comment">// Arg1 = Light color</font>
01362                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_CONSTANT_EXT);
01363                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
01364                         <font class="comment">// Arg2 = Primary color (other light diffuse and </font>
01365                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PRIMARY_COLOR_EXT);
01366                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR);                   
01367                 }
01368         }
01369         <a class="code" href="classNL3D_1_1CDriverGL.html#c4">activateTexEnvColor</a>(0, <a class="code" href="classNL3D_1_1CDriverGL.html#z404_4">_PPLightDiffuseColor</a>);
01370 
01371         <font class="comment">// Stage 1      </font>
01372         <font class="keyword">static</font> CMaterial::CTexEnv       env;
01373         env.Env.SrcArg1Alpha = CMaterial::Diffuse;              
01374         <a class="code" href="classNL3D_1_1CDriverGL.html#c3">activateTexEnvMode</a>(1, env);
01375 
01376 
01377 
01378         <font class="comment">// Stage 2 is rgb = SpecularCubeMap * SpecularLightColor + Prec * 1</font>
01379         <font class="comment">// alpha = prec alpha</font>
01380         
01381         <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[2] != <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u6">TexEnvSpecialPPLStage2</a>)
01382         {
01383                 <font class="comment">// TexEnv is special.</font>
01384                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[2] = <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u6">TexEnvSpecialPPLStage2</a>;
01385                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(2);
01386 
01387                 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureEnvCombine4)
01388                 {
01389                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV);         
01390                         <font class="comment">//== colors ==</font>
01391                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_ADD);
01392                         <font class="comment">// Arg0 = Specular read in cube map</font>
01393                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
01394                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR);
01395                         <font class="comment">// Arg1 = Light color</font>
01396                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_CONSTANT_EXT);
01397                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR);
01398                         <font class="comment">// Arg2 = Primary color ( + other light diffuse )</font>
01399                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_PREVIOUS_EXT);
01400                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
01401                         <font class="comment">// Arg3 = White (= ~ Black)</font>
01402                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_NV, GL_ZERO);
01403                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_NV, GL_ONE_MINUS_SRC_COLOR);
01404 
01405                         <font class="comment">//== alpha ==</font>
01406                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_ADD);                        
01407                         <font class="comment">// Arg0 = PREVIOUS ALPHA</font>
01408                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PREVIOUS_EXT);
01409                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, GL_SRC_COLOR);
01410                         <font class="comment">// Arg1 = 1</font>
01411                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, GL_ZERO);
01412                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT, GL_ONE_MINUS_SRC_COLOR);
01413                         <font class="comment">// Arg2 = 0</font>
01414                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT, GL_ZERO);
01415                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT, GL_SRC_COLOR);
01416                         <font class="comment">// Arg3 = 0</font>
01417                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_ALPHA_NV, GL_ZERO);
01418                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_ALPHA_NV, GL_SRC_COLOR);
01419                 }
01420                 <font class="keywordflow">else</font> <font class="comment">// ATI EnvCombine3</font>
01421                 {
01422                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);         
01423                         <font class="comment">//== colors ==</font>
01424                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, <a class="code" href="driver__opengl__extension__def_8h.html#a342">GL_MODULATE_ADD_ATIX</a>);                    
01425                         <font class="comment">// Arg0 = Specular read in cube map</font>
01426                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
01427                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR);
01428                         <font class="comment">// Arg2 = Light color</font>
01429                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_CONSTANT_EXT);
01430                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
01431                         <font class="comment">// Arg1 = Primary color ( + other light diffuse)</font>
01432                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_PREVIOUS_EXT);
01433                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);                   
01434 
01435                         <font class="comment">//== alpha ==</font>
01436                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, <a class="code" href="driver__opengl__extension__def_8h.html#a342">GL_MODULATE_ADD_ATIX</a>);                  
01437                         <font class="comment">// Arg0 = PREVIOUS ALPHA</font>
01438                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PREVIOUS_EXT);
01439                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, GL_SRC_COLOR);
01440                         <font class="comment">// Arg2 = 1</font>
01441                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT, GL_ZERO);
01442                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT, GL_ONE_MINUS_SRC_COLOR);
01443                         <font class="comment">// Arg1 = 0</font>
01444                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, GL_ZERO);
01445                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT, GL_SRC_COLOR);
01446                 }
01447         }
01448         <a class="code" href="classNL3D_1_1CDriverGL.html#c4">activateTexEnvColor</a>(2, <a class="code" href="classNL3D_1_1CDriverGL.html#z404_5">_PPLightSpecularColor</a>);  
01449 
01450 }
01451 
01452 <font class="comment">// ***************************************************************************</font>
<a name="l01453"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z409_4">01453</a> <font class="keywordtype">void</font>                    CDriverGL::endPPLMultiPass()
01454 {       
01455         <font class="comment">// nothing to do there ...</font>
01456 }
01457 
01458 
01459 <font class="comment">// ******PER PIXEL LIGHTING, NO SPECULAR**************************************</font>
<a name="l01460"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z409_5">01460</a> sint                    CDriverGL::beginPPLNoSpecMultiPass()
01461 {
01462 <font class="preprocessor">        #ifdef NL_DEBUG</font>
01463 <font class="preprocessor"></font>                <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CDriverGL.html#a86">supportPerPixelLighting</a>(<font class="keyword">false</font>)); <font class="comment">// make sure the hardware can do that</font>
01464 <font class="preprocessor">        #endif</font>
01465 <font class="preprocessor"></font>        <font class="keywordflow">return</font> 1;
01466 }
01467 
01468 <font class="comment">// ******PER PIXEL LIGHTING, NO SPECULAR**************************************</font>
<a name="l01469"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z409_6">01469</a> <font class="keywordtype">void</font>                    CDriverGL::setupPPLNoSpecPass(uint pass)
01470 {
01471         <font class="keyword">const</font> CMaterial &amp;mat= *<a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>;
01472 
01473         <a class="code" href="debug_8h.html#a6">nlassert</a>(pass == 0);
01474 
01475         ITexture *tex0 = <a class="code" href="classNL3D_1_1CDriverGL.html#z409_8">getSpecularCubeMap</a>(1);
01476         <font class="keywordflow">if</font> (tex0) <a class="code" href="classNL3D_1_1CDriverGL.html#a18">setupTexture</a>(*tex0);
01477         
01478         <font class="keywordflow">if</font> (mat.getTexture(0)) <a class="code" href="classNL3D_1_1CDriverGL.html#a18">setupTexture</a>(*mat.getTexture(0));
01479 
01480         <font class="comment">// tex coord 0 = texture coordinates</font>
01481         <font class="comment">// tex coord 1 = normal in tangent space        </font>
01482 
01483         <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(0, tex0);
01484         <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(1, mat.getTexture(0));
01485 
01486 
01487         <font class="keywordflow">for</font> (uint k = 2; k &lt; (uint) <a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>(); ++k)
01488         {
01489                 <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(k, NULL);
01490         }
01491 
01492         <font class="comment">// setup the tex envs</font>
01493 
01494 
01495         <font class="comment">// Stage 0 is rgb = DiffuseCubeMap * LightColor + DiffuseGouraud * 1 (TODO : EnvCombine3)</font>
01496         <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[0] != <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u5">TexEnvSpecialPPLStage0</a>)
01497         {
01498                 <font class="comment">// TexEnv is special.</font>
01499                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[0] = <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u5">TexEnvSpecialPPLStage0</a>;
01500                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(0);
01501 
01502                 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureEnvCombine4)
01503                 {
01504                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV);
01505                         
01506                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_ADD);                  
01507                         <font class="comment">// Arg0 = Diffuse read in cube map alpha</font>
01508                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
01509                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR);
01510                         <font class="comment">// Arg1 = Light color</font>
01511                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_CONSTANT_EXT);
01512                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR);
01513                         <font class="comment">// Arg2 = Primary color (other light diffuse and </font>
01514                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_PRIMARY_COLOR_EXT);
01515                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
01516                         <font class="comment">// Arg3 = White (= ~ Black)</font>
01517                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_NV, GL_ZERO);
01518                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_NV, GL_ONE_MINUS_SRC_COLOR);
01519                 }
01520                 <font class="keywordflow">else</font>
01521                 {
01522                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
01523                         
01524                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, <a class="code" href="driver__opengl__extension__def_8h.html#a342">GL_MODULATE_ADD_ATIX</a>);                    
01525                         <font class="comment">// Arg0 = Diffuse read in cube map alpha</font>
01526                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
01527                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR);
01528                         <font class="comment">// Arg2 = Light color</font>
01529                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_CONSTANT_EXT);
01530                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
01531                         <font class="comment">// Arg1 = Primary color (other light diffuse and </font>
01532                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PRIMARY_COLOR_EXT);
01533                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR);                   
01534                 }
01535         }
01536         <a class="code" href="classNL3D_1_1CDriverGL.html#c4">activateTexEnvColor</a>(0, <a class="code" href="classNL3D_1_1CDriverGL.html#z404_4">_PPLightDiffuseColor</a>);
01537 
01538         <font class="comment">// Stage 1      </font>
01539         <font class="keyword">static</font> CMaterial::CTexEnv       env;
01540         env.Env.SrcArg1Alpha = CMaterial::Diffuse;              
01541         <a class="code" href="classNL3D_1_1CDriverGL.html#c3">activateTexEnvMode</a>(1, env);
01542 
01543 }
01544 
01545 <font class="comment">// ******PER PIXEL LIGHTING, NO SPECULAR**************************************</font>
<a name="l01546"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z409_7">01546</a> <font class="keywordtype">void</font>                    CDriverGL::endPPLNoSpecMultiPass()
01547 {       
01548         <font class="comment">// nothing to do there ...</font>
01549 }
01550 
01551 <font class="comment">// ***************************************************************************</font>
01552 <font class="comment">/* sint         CDriverGL::beginCausticsMultiPass(const CMaterial &amp;mat)</font>
01553 <font class="comment">{</font>
01554 <font class="comment">        nlassert(mat.getShader() == CMaterial::Caustics);</font>
01555 <font class="comment">        if (!_Extensions.ARBTextureCubeMap) return 1;</font>
01556 <font class="comment">        switch (inlGetNumTextStages())</font>
01557 <font class="comment">        {</font>
01558 <font class="comment">                case 1: return 3;</font>
01559 <font class="comment">                case 2: return 2;</font>
01560 <font class="comment">                default:</font>
01561 <font class="comment">                                return 1;</font>
01562 <font class="comment">        }</font>
01563 <font class="comment">}*/</font>
01564 
01565 
01566 <font class="comment">// ***************************************************************************</font>
01567 <font class="comment">/*inline void           CDriverGL::setupCausticsFirstTex(const CMaterial &amp;mat)</font>
01568 <font class="comment">{</font>
01570 <font class="comment">        activateTexture(0, mat.getTexture(0));</font>
01571 <font class="comment"></font>
01573 <font class="comment">        setTextureEnvFunction(0, mat);</font>
01574 <font class="comment"></font>
01576 <font class="comment">        setupUserTextureMatrix(0, mat);</font>
01577 <font class="comment">}</font>
01578 <font class="comment"></font>
01579 <font class="comment">// ***************************************************************************</font>
01580 <font class="comment">inline void             CDriverGL::setupCausticsSecondTex(uint stage)</font>
01581 <font class="comment">{</font>
01582 <font class="comment">        activateTexture(stage, mat.getTexture(0));</font>
01583 <font class="comment">        _CausticCubeMap</font>
01584 <font class="comment">}</font>
01585 <font class="comment"></font>
01586 <font class="comment">// ***************************************************************************</font>
01587 <font class="comment">void            CDriverGL::setupCausticsPass(const CMaterial &amp;mat, uint pass)</font>
01588 <font class="comment">{</font>
01589 <font class="comment">        </font>
01590 <font class="comment">        nlassert(mat.getShader() == CMaterial::Caustics);</font>
01591 <font class="comment"></font>
01592 <font class="comment">        if (inlGetNumTextStages() == 1 || !_Extensions.ARBTextureCubeMap)</font>
01593 <font class="comment">        {</font>
01594 <font class="comment">                setupCausticsFirstTex(mat);</font>
01595 <font class="comment">        }</font>
01596 <font class="comment">        else</font>
01597 <font class="comment">        if (inlGetNumTextStages() &gt;= 3) </font>
01598 <font class="comment">        {</font>
01599 <font class="comment">                nlassert(pass == 0);            </font>
01600 <font class="comment"></font>
01601 <font class="comment">                setupCausticsFirstTex(mat);</font>
01602 <font class="comment">                </font>
01603 <font class="comment"></font>
01604 <font class="comment">        }</font>
01605 <font class="comment">        else if (inlGetNumTextStages() == 2) </font>
01606 <font class="comment">        {</font>
01607 <font class="comment">                nlassert(pass &lt; 2);</font>
01608 <font class="comment">                if (pass == 0) </font>
01609 <font class="comment">                {</font>
01610 <font class="comment">                        setupCausticsFirstTex(mat);     </font>
01611 <font class="comment">                }</font>
01612 <font class="comment">                else </font>
01613 <font class="comment">                {</font>
01615 <font class="comment">                        _DriverGLStates.enableBlend();                  </font>
01616 <font class="comment">                        _DriverGLStates.blendFunc(pShader-&gt;SrcBlend, pShader-&gt;DstBlend);</font>
01617 <font class="comment"></font>
01618 <font class="comment"></font>
01619 <font class="comment">                }</font>
01620 <font class="comment">        }</font>
01621 <font class="comment">}</font>
01622 <font class="comment"></font>
01623 <font class="comment">// ***************************************************************************</font>
01624 <font class="comment">void            CDriverGL::endCausticsMultiPass(const CMaterial &amp;mat)</font>
01625 <font class="comment">{</font>
01626 <font class="comment">        nlassert(mat.getShader() == CMaterial::Caustics);       </font>
01627 <font class="comment"></font>
01628 <font class="comment">}</font>
01629 <font class="comment">*/</font>
01630 
01632 
01633 <font class="comment">// ***************************************************************************</font>
<a name="l01634"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c15">01634</a> sint            CDriverGL::beginCloudMultiPass ()
01635 {
01636         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>-&gt;getShader() == CMaterial::Cloud);
01637         <font class="keywordflow">return</font> 1;
01638 }
01639 
01640 <font class="comment">// ***************************************************************************</font>
<a name="l01641"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c16">01641</a> <font class="keywordtype">void</font>            CDriverGL::setupCloudPass (uint pass)
01642 {
01643         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>-&gt;getShader() == CMaterial::Cloud);
01644 
01645         <font class="keyword">const</font> CMaterial &amp;mat= *<a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>;
01646         
01647         <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(0, mat.getTexture(0));
01648         <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(1, mat.getTexture(0));
01649 
01650         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[0] != <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u7">TexEnvSpecialCloudStage0</a>)
01651         {
01652                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[0] = <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u7">TexEnvSpecialCloudStage0</a>;
01653                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[1] = <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u8">TexEnvSpecialCloudStage1</a>;
01654 
01655                 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureEnvCombine4)
01656                 {
01657                         <font class="comment">// Setup 1st Stage</font>
01658                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(0);
01659                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV);         
01660                         <font class="comment">//== colors ==</font>
01661                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_ADD);
01662                         <font class="comment">// Arg0 = 0</font>
01663                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_ZERO);
01664                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR);
01665                         <font class="comment">// Arg1 = 0</font>
01666                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_ZERO);
01667                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR);
01668                         <font class="comment">// Arg2 = 0</font>
01669                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_ZERO);
01670                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
01671                         <font class="comment">// Arg3 = 0</font>
01672                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_NV, GL_ZERO);
01673                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_NV, GL_SRC_COLOR);
01674 
01675                         <font class="comment">//== alpha ==</font>
01676                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_ADD);
01677                         <font class="comment">// Arg0 = AT0</font>
01678                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE0_ARB);
01679                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, GL_SRC_ALPHA);
01680                         <font class="comment">// Arg1 = AWPOS</font>
01681                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
01682                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT, GL_SRC_ALPHA);
01683                         <font class="comment">// Arg2 = AT1</font>
01684                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT, GL_TEXTURE1_ARB);
01685                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT, GL_SRC_ALPHA);
01686                         <font class="comment">// Arg3 = 1-AWPOS</font>
01687                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_ALPHA_NV, GL_PRIMARY_COLOR_EXT);
01688                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_ALPHA_NV, GL_ONE_MINUS_SRC_ALPHA);
01689 
01690                         <font class="comment">// Setup 2nd Stage</font>
01691                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(1);
01692                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV);         
01693                         <font class="comment">//== colors ==</font>
01694                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_ADD);
01695                         <font class="comment">// Arg0 = 0</font>
01696                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_ZERO);
01697                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR);
01698                         <font class="comment">// Arg1 = 0</font>
01699                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_ZERO);
01700                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, GL_SRC_COLOR);
01701                         <font class="comment">// Arg2 = 0</font>
01702                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_ZERO);
01703                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
01704                         <font class="comment">// Arg3 = 0</font>
01705                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_NV, GL_ZERO);
01706                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_NV, GL_SRC_COLOR);
01707 
01708                         <font class="comment">//== alpha ==</font>
01709                         glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_ADD);
01710                         <font class="comment">// Arg0 = AT0*AWPOS+AT1*(1-AWPOS)</font>
01711                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PREVIOUS_EXT);
01712                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, GL_SRC_ALPHA);
01713                         <font class="comment">// Arg1 = AINT</font>
01714                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, GL_CONSTANT_EXT);
01715                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT, GL_SRC_ALPHA);
01716                         <font class="comment">// Arg2 = 0</font>
01717                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT, GL_ZERO);
01718                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT, GL_SRC_ALPHA);
01719                         <font class="comment">// Arg3 = 0</font>
01720                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_ALPHA_NV, GL_ZERO);
01721                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_ALPHA_NV, GL_SRC_ALPHA);
01722 
01723                 }
01724                 <font class="keywordflow">else</font> <font class="comment">// ATI EnvCombine3</font>
01725                 {
01726                         <font class="comment">/*glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);               </font>
01727 <font class="comment">                        //== colors ==</font>
01728 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE_ADD_ATIX);                    </font>
01729 <font class="comment">                        // Arg0 = Specular read in cube map</font>
01730 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);</font>
01731 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, GL_SRC_COLOR);</font>
01732 <font class="comment">                        // Arg2 = Light color</font>
01733 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_CONSTANT_EXT);</font>
01734 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);</font>
01735 <font class="comment">                        // Arg1 = Primary color ( + other light diffuse)</font>
01736 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_PREVIOUS_EXT);</font>
01737 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);                   </font>
01738 <font class="comment"></font>
01739 <font class="comment">                        //== alpha ==</font>
01740 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE_ADD_ATIX);                  </font>
01741 <font class="comment">                        // Arg0 = PREVIOUS ALPHA</font>
01742 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PREVIOUS_EXT);</font>
01743 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, GL_SRC_COLOR);</font>
01744 <font class="comment">                        // Arg2 = 1</font>
01745 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT, GL_ZERO);</font>
01746 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT, GL_ONE_MINUS_SRC_COLOR);</font>
01747 <font class="comment">                        // Arg1 = 0</font>
01748 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, GL_ZERO);</font>
01749 <font class="comment">                        glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT, GL_SRC_COLOR);*/</font>
01750                 }
01751         }
01752         <a class="code" href="classNL3D_1_1CDriverGL.html#c4">activateTexEnvColor</a> (1, mat.getColor());
01753 }
01754 
01755 <font class="comment">// ***************************************************************************</font>
<a name="l01756"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c17">01756</a> <font class="keywordtype">void</font>            CDriverGL::endCloudMultiPass()
01757 {
01758         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_2">_CurrentMaterial</a>-&gt;getShader() == CMaterial::Cloud);
01759 }
01760 
01761 } <font class="comment">// NL3D</font>
</pre></div>

<!-- footer -->
<BR><FONT Size=+5>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </FONT>
</TD>
<TD WIDTH=15><IMG  SRC=/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD>
</TR>
</TABLE>
</BODY>
</HTML>