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
|
<!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> <A CLASS=uplinks HREF='/'><b>Home</B></FONT></A> </TD>
<TD><IMG width=6 height=14 SRC="/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF='/'><b>nevrax.com</B></FONT></A> </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>
<!-- 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> </td>
</tr></table>
<!-- Generated by Doxygen 1.2.14 -->
<center>
<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/cgi-bin/nel-search.cgi">Search</a> </center>
<hr><h1>driver_opengl_texture.cpp</h1><a href="driver__opengl__texture_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00011 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00012 <font class="comment"> *</font>
00013 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00014 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00015 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00016 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00017 <font class="comment"> * any later version.</font>
00018 <font class="comment"></font>
00019 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00020 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00021 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00022 <font class="comment"> * General Public License for more details.</font>
00023 <font class="comment"></font>
00024 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00025 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00026 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00027 <font class="comment"> * MA 02111-1307, USA.</font>
00028 <font class="comment"> */</font>
00029
00030 <font class="preprocessor">#include "<a class="code" href="stdopengl_8h.html">stdopengl.h</a>"</font>
00031
00032 <font class="preprocessor">#include "<a class="code" href="texture__cube_8h.html">3d/texture_cube.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="rect_8h.html">nel/misc/rect.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font> <font class="comment">// temp</font>
00035
00036
00037 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00038 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00039
00040
00041 <font class="keyword">namespace </font>NL3D
00042 {
00043
00044
00045 <font class="comment">// ***************************************************************************</font>
<a name="l00046"></a><a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#a0">00046</a> CTextureDrvInfosGL::CTextureDrvInfosGL(IDriver *drv, <a class="code" href="namespaceNL3D.html#a246">ItTexDrvInfoPtrMap</a> it, CDriverGL *drvGl) : ITextureDrvInfos(drv, it)
00047 {
00048 <font class="comment">// The id is auto created here.</font>
00049 glGenTextures(1,&<a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m0">ID</a>);
00050
00051 <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m1">Compressed</a>= <font class="keyword">false</font>;
00052 <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m2">TextureMemory</a>= 0;
00053
00054 <font class="comment">// Nb: at Driver dtor, all tex infos are deleted, so _Driver is always valid.</font>
00055 <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m3">_Driver</a>= drvGl;
00056 }
00057 <font class="comment">// ***************************************************************************</font>
<a name="l00058"></a><a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#a1">00058</a> CTextureDrvInfosGL::~CTextureDrvInfosGL()
00059 {
00060 <font class="comment">// The id is auto deleted here.</font>
00061 glDeleteTextures(1,&<a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m0">ID</a>);
00062
00063 <font class="comment">// release profiling texture mem.</font>
00064 <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m3">_Driver</a>->_AllocatedTextureMemory-= <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m2">TextureMemory</a>;
00065
00066 <font class="comment">// release in TextureUsed.</font>
00067 <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m3">_Driver</a>->_TextureUsed.erase (<font class="keyword">this</font>);
00068 }
00069
00070
00071
00072 <font class="comment">// ***************************************************************************</font>
00073 <font class="comment">// Get the glText mirror of an existing setuped texture.</font>
00074 <font class="keyword">static</font> <font class="keyword">inline</font> CTextureDrvInfosGL* <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a>(ITexture& tex)
00075 {
00076 CTextureDrvInfosGL* gltex;
00077 gltex= (CTextureDrvInfosGL*)(ITextureDrvInfos*)(tex.TextureDrvShare->DrvTexture);
00078 <font class="keywordflow">return</font> gltex;
00079 }
00080
00081
00082 <font class="comment">// ***************************************************************************</font>
00083 <font class="comment">// Translation of TexFmt mode.</font>
<a name="l00084"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c12">00084</a> GLint CDriverGL::getGlTextureFormat(ITexture& tex, <font class="keywordtype">bool</font> &compressed)
00085 {
00086 ITexture::TUploadFormat texfmt= tex.getUploadFormat();
00087
00088 <font class="comment">// If auto, retrieve the pixel format of the bitmap.</font>
00089 <font class="keywordflow">if</font>(texfmt== ITexture::Auto)
00090 {
00091 <font class="keywordflow">switch</font>(tex.getPixelFormat())
00092 {
00093 <font class="keywordflow">case</font> CBitmap::RGBA:
00094 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#o27">_ForceDXTCCompression</a> && tex.allowDegradation() )
00095 texfmt= ITexture::DXTC5;
00096 <font class="keywordflow">else</font>
00097 texfmt= ITexture::RGBA8888;
00098 <font class="keywordflow">break</font>;
00099 <font class="keywordflow">case</font> CBitmap::DXTC1: texfmt= ITexture::DXTC1; <font class="keywordflow">break</font>;
00100 <font class="keywordflow">case</font> CBitmap::DXTC1Alpha: texfmt= ITexture::DXTC1Alpha; <font class="keywordflow">break</font>;
00101 <font class="keywordflow">case</font> CBitmap::DXTC3: texfmt= ITexture::DXTC3; <font class="keywordflow">break</font>;
00102 <font class="keywordflow">case</font> CBitmap::DXTC5: texfmt= ITexture::DXTC5; <font class="keywordflow">break</font>;
00103 <font class="keywordflow">case</font> CBitmap::Luminance: texfmt= ITexture::Luminance; <font class="keywordflow">break</font>;
00104 <font class="keywordflow">case</font> CBitmap::Alpha: texfmt= ITexture::Alpha; <font class="keywordflow">break</font>;
00105 <font class="keywordflow">case</font> CBitmap::AlphaLuminance: texfmt= ITexture::AlphaLuminance; <font class="keywordflow">break</font>;
00106 <font class="keywordflow">case</font> CBitmap::DsDt: texfmt= ITexture::DsDt; <font class="keywordflow">break</font>;
00107 <font class="keywordflow">default</font>: texfmt= ITexture::RGBA8888; <font class="keywordflow">break</font>;
00108 }
00109 }
00110
00111
00112 <font class="comment">// Get gl tex format, try S3TC compressed ones.</font>
00113 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.EXTTextureCompressionS3TC)
00114 {
00115 compressed= <font class="keyword">true</font>;
00116 <font class="comment">// Try Compressed ones.</font>
00117 <font class="keywordflow">switch</font>(texfmt)
00118 {
00119 <font class="keywordflow">case</font> ITexture::DXTC1: <font class="keywordflow">return</font> GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
00120 <font class="keywordflow">case</font> ITexture::DXTC1Alpha: <font class="keywordflow">return</font> GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
00121 <font class="keywordflow">case</font> ITexture::DXTC3: <font class="keywordflow">return</font> GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
00122 <font class="keywordflow">case</font> ITexture::DXTC5: <font class="keywordflow">return</font> GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
00123 <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
00124 }
00125 }
00126
00127
00128 <font class="comment">// Get standard gl tex format.</font>
00129 compressed= <font class="keyword">false</font>;
00130 <font class="keywordflow">switch</font>(texfmt)
00131 {
00132 <font class="keywordflow">case</font> ITexture::RGBA8888: <font class="keywordflow">return</font> GL_RGBA8;
00133 <font class="keywordflow">case</font> ITexture::RGBA4444: <font class="keywordflow">return</font> GL_RGBA4;
00134 <font class="keywordflow">case</font> ITexture::RGBA5551: <font class="keywordflow">return</font> GL_RGB5_A1;
00135 <font class="keywordflow">case</font> ITexture::RGB888: <font class="keywordflow">return</font> GL_RGB8;
00136 <font class="keywordflow">case</font> ITexture::RGB565: <font class="keywordflow">return</font> GL_RGB5;
00137 <font class="keywordflow">case</font> ITexture::Luminance: <font class="keywordflow">return</font> GL_LUMINANCE8;
00138 <font class="keywordflow">case</font> ITexture::Alpha: <font class="keywordflow">return</font> GL_ALPHA8;
00139 <font class="keywordflow">case</font> ITexture::AlphaLuminance: <font class="keywordflow">return</font> GL_LUMINANCE8_ALPHA8;
00140 <font class="keywordflow">case</font> ITexture::DsDt:
00141 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureShader) <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a180">GL_DSDT_NV</a>;
00142 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.ATIEnvMapBumpMap) <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a351">GL_DU8DV8_ATI</a>;
00143 <font class="keywordflow">else</font>
00144 {
00145 <a class="code" href="debug_8h.html#a6">nlassert</a>(0);
00146 <font class="keywordflow">return</font> 0;
00147 }
00148 <font class="keywordflow">break</font>;
00149 <font class="keywordflow">default</font>: <font class="keywordflow">return</font> GL_RGBA8;
00150 }
00151 }
00152
00153
00154 <font class="comment">// ***************************************************************************</font>
00155 <font class="keyword">static</font> GLint <a class="code" href="namespaceNL3D.html#a348">getGlSrcTextureFormat</a>(ITexture &tex, GLint glfmt)
00156 {
00157 <font class="comment">// Is destination format is alpha or lumiance ?</font>
00158 <font class="keywordflow">if</font> ((glfmt==GL_ALPHA8)||(glfmt==GL_LUMINANCE8_ALPHA8)||(glfmt==GL_LUMINANCE8))
00159 {
00160 <font class="keywordflow">switch</font>(tex.getPixelFormat())
00161 {
00162 <font class="keywordflow">case</font> CBitmap::Alpha: <font class="keywordflow">return</font> GL_ALPHA;
00163 <font class="keywordflow">case</font> CBitmap::AlphaLuminance: <font class="keywordflow">return</font> GL_LUMINANCE_ALPHA;
00164 <font class="keywordflow">case</font> CBitmap::Luminance: <font class="keywordflow">return</font> GL_LUMINANCE;
00165 <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
00166 }
00167 }
00168
00169 <font class="keywordflow">if</font> (glfmt == <a class="code" href="driver__opengl__extension__def_8h.html#a180">GL_DSDT_NV</a>)
00170 {
00171 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a180">GL_DSDT_NV</a>;
00172 }
00173
00174 <font class="keywordflow">if</font> (glfmt == <a class="code" href="driver__opengl__extension__def_8h.html#a351">GL_DU8DV8_ATI</a>)
00175 {
00176 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a350">GL_DUDV_ATI</a>;
00177 }
00178
00179 <font class="comment">// Else, not a Src format for upload, or RGBA.</font>
00180 <font class="keywordflow">return</font> GL_RGBA;
00181 }
00182
00183 <font class="comment">// ***************************************************************************</font>
00184 <font class="keyword">static</font> GLenum <a class="code" href="namespaceNL3D.html#a349">getGlSrcTextureComponentType</a>(GLint texSrcFormat)
00185 {
00186 <font class="keywordflow">switch</font> (texSrcFormat)
00187 {
00188 <font class="keywordflow">case</font> <a class="code" href="driver__opengl__extension__def_8h.html#a180">GL_DSDT_NV</a>:
00189 <font class="keywordflow">case</font> <a class="code" href="driver__opengl__extension__def_8h.html#a351">GL_DU8DV8_ATI</a>:
00190 <font class="keywordflow">return</font> GL_BYTE; <font class="comment">// these are signed format </font>
00191 <font class="keywordflow">break</font>;
00192 <font class="keywordflow">default</font>:
00193 <font class="keywordflow">return</font> GL_UNSIGNED_BYTE;
00194 <font class="keywordflow">break</font>;
00195
00196 }
00197 }
00198
00199 <font class="comment">// ***************************************************************************</font>
<a name="l00200"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z412_0">00200</a> uint CDriverGL::computeMipMapMemoryUsage(uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, uint h, GLint glfmt)<font class="keyword"> const</font>
00201 <font class="keyword"></font>{
00202 <font class="keywordflow">switch</font>(glfmt)
00203 {
00204 <font class="keywordflow">case</font> GL_RGBA8: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 4;
00205 <font class="comment">// Well this is ugly, but simple :). GeForce 888 is stored as 32 bits.</font>
00206 <font class="keywordflow">case</font> GL_RGB8: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 4;
00207 <font class="keywordflow">case</font> GL_RGBA4: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 2;
00208 <font class="keywordflow">case</font> GL_RGB5_A1: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 2;
00209 <font class="keywordflow">case</font> GL_RGB5: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 2;
00210 <font class="keywordflow">case</font> GL_LUMINANCE8: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 1;
00211 <font class="keywordflow">case</font> GL_ALPHA8: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 1;
00212 <font class="keywordflow">case</font> GL_LUMINANCE8_ALPHA8: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 2;
00213 <font class="keywordflow">case</font> GL_COMPRESSED_RGB_S3TC_DXT1_EXT: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h /2;
00214 <font class="keywordflow">case</font> GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h /2;
00215 <font class="keywordflow">case</font> GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 1;
00216 <font class="keywordflow">case</font> GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 1;
00217 <font class="keywordflow">case</font> <a class="code" href="driver__opengl__extension__def_8h.html#a351">GL_DU8DV8_ATI</a>:
00218 <font class="keywordflow">case</font> <a class="code" href="driver__opengl__extension__def_8h.html#a180">GL_DSDT_NV</a>: <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 2;
00219 };
00220
00221 <font class="comment">// One format has not been coded.</font>
00222 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00223
00225 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 4;
00226 }
00227
00228
00229 <font class="comment">// ***************************************************************************</font>
00230 <font class="comment">// Translation of Wrap mode.</font>
00231 <font class="keyword">static</font> <font class="keyword">inline</font> GLenum <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(ITexture::TWrapMode mode, <font class="keyword">const</font> CGlExtensions &extensions)
00232 {
00233 <font class="keywordflow">if</font>(mode== ITexture::Repeat)
00234 <font class="keywordflow">return</font> GL_REPEAT;
00235 <font class="keywordflow">else</font>
00236 {
00237 <font class="keywordflow">if</font>(extensions.Version1_2)
00238 <font class="keywordflow">return</font> GL_CLAMP_TO_EDGE;
00239 <font class="keywordflow">else</font>
00240 <font class="keywordflow">return</font> GL_CLAMP;
00241 }
00242 }
00243
00244
00245 <font class="comment">// ***************************************************************************</font>
00246 <font class="keyword">static</font> <font class="keyword">inline</font> GLenum <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(ITexture::TMagFilter mode)
00247 {
00248 <font class="keywordflow">switch</font>(mode)
00249 {
00250 <font class="keywordflow">case</font> ITexture::Linear: <font class="keywordflow">return</font> GL_LINEAR;
00251 <font class="keywordflow">case</font> ITexture::Nearest: <font class="keywordflow">return</font> GL_NEAREST;
00252 <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
00253 }
00254
00255 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00256 <font class="keywordflow">return</font> GL_LINEAR;
00257 }
00258
00259
00260 <font class="comment">// ***************************************************************************</font>
00261 <font class="keyword">static</font> <font class="keyword">inline</font> GLenum <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(ITexture::TMinFilter mode)
00262 {
00263 <font class="keywordflow">switch</font>(mode)
00264 {
00265 <font class="keywordflow">case</font> ITexture::NearestMipMapOff: <font class="keywordflow">return</font> GL_NEAREST;
00266 <font class="keywordflow">case</font> ITexture::NearestMipMapNearest: <font class="keywordflow">return</font> GL_NEAREST_MIPMAP_NEAREST;
00267 <font class="keywordflow">case</font> ITexture::NearestMipMapLinear: <font class="keywordflow">return</font> GL_NEAREST_MIPMAP_LINEAR;
00268 <font class="keywordflow">case</font> ITexture::LinearMipMapOff: <font class="keywordflow">return</font> GL_LINEAR;
00269 <font class="keywordflow">case</font> ITexture::LinearMipMapNearest: <font class="keywordflow">return</font> GL_LINEAR_MIPMAP_NEAREST;
00270 <font class="keywordflow">case</font> ITexture::LinearMipMapLinear: <font class="keywordflow">return</font> GL_LINEAR_MIPMAP_LINEAR;
00271 <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
00272 }
00273
00274 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00275 <font class="keywordflow">return</font> GL_LINEAR;
00276 }
00277
00278
00279 <font class="comment">// ***************************************************************************</font>
00280 <font class="keyword">static</font> <font class="keyword">inline</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNL3D.html#a353">sameDXTCFormat</a>(ITexture &tex, GLint glfmt)
00281 {
00282 <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGB_S3TC_DXT1_EXT && tex.PixelFormat==CBitmap::DXTC1)
00283 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00284 <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT1_EXT && tex.PixelFormat==CBitmap::DXTC1Alpha)
00285 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00286 <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT3_EXT && tex.PixelFormat==CBitmap::DXTC3)
00287 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00288 <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT5_EXT && tex.PixelFormat==CBitmap::DXTC5)
00289 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00290
00291 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00292 }
00293
00294
00295 <font class="comment">// ***************************************************************************</font>
00296 <font class="keyword">static</font> <font class="keyword">inline</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNL3D.html#a354">isDXTCFormat</a>(GLint glfmt)
00297 {
00298 <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGB_S3TC_DXT1_EXT)
00299 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00300 <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT1_EXT)
00301 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00302 <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT3_EXT)
00303 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00304 <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT5_EXT)
00305 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00306
00307 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00308 }
00309
00310
00311 <font class="comment">// ***************************************************************************</font>
<a name="l00312"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a18">00312</a> <font class="keywordtype">bool</font> CDriverGL::setupTexture (ITexture& tex)
00313 {
00314 <font class="keywordtype">bool</font> nTmp;
00315 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CDriverGL.html#a19">setupTextureEx</a> (tex, <font class="keyword">true</font>, nTmp);
00316 }
00317
00318 <font class="comment">// ***************************************************************************</font>
<a name="l00319"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a19">00319</a> <font class="keywordtype">bool</font> CDriverGL::setupTextureEx (ITexture& tex, <font class="keywordtype">bool</font> bUpload, <font class="keywordtype">bool</font> &bAllUploaded, <font class="keywordtype">bool</font> bMustRecreateSharedTexture)
00320 {
00321 bAllUploaded = <font class="keyword">false</font>;
00322
00323 <font class="keywordflow">if</font>(tex.isTextureCube() && (!<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.ARBTextureCubeMap))
00324 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00325
00326 <font class="comment">// 0. Create/Retrieve the driver texture.</font>
00327 <font class="comment">//=======================================</font>
00328 <font class="keywordtype">bool</font> mustCreate = <font class="keyword">false</font>;
00329 <font class="keywordflow">if</font> ( !tex.TextureDrvShare )
00330 {
00331 <font class="comment">// insert into driver list. (so it is deleted when driver is deleted).</font>
00332 <a class="code" href="namespaceNL3D.html#a247">ItTexDrvSharePtrList</a> it= <a class="code" href="classNL3D_1_1IDriver.html#n1">_TexDrvShares</a>.insert(<a class="code" href="classNL3D_1_1IDriver.html#n1">_TexDrvShares</a>.end());
00333 <font class="comment">// create and set iterator, for future deletion.</font>
00334 *it= tex.TextureDrvShare= <font class="keyword">new</font> <a class="code" href="classNL3D_1_1IDriver.html#l1">CTextureDrvShare</a>(<font class="keyword">this</font>, it);
00335
00336 <font class="comment">// Must (re)-create the texture.</font>
00337 mustCreate = <font class="keyword">true</font>;
00338 }
00339
00340 <font class="keywordflow">if</font> ( (!tex.touched()) && (!mustCreate) )
00341 <font class="keywordflow">return</font> <font class="keyword">true</font>; <font class="comment">// Do not do anything</font>
00342
00343
00344 <font class="comment">// 1. If modified, may (re)load texture part or all of the texture.</font>
00345 <font class="comment">//=================================================================</font>
00346
00347
00348 <font class="keywordtype">bool</font> mustLoadAll= <font class="keyword">false</font>;
00349 <font class="keywordtype">bool</font> mustLoadPart= <font class="keyword">false</font>;
00350
00351
00352 <font class="comment">// To avoid any delete/new ptr problem, disable all texturing.</font>
00353 <font class="comment">/* If an old texture is deleted, _CurrentTexture[*] and _CurrentTextureInfoGL[*] are invalid. </font>
00354 <font class="comment"> But this is grave only if a new texture is created, with the same pointer (bad luck). </font>
00355 <font class="comment"> Since an newly allocated texture always pass here before use, we are sure to avoid any problems.</font>
00356 <font class="comment"> */</font>
00357 <font class="keywordflow">for</font>(sint stage=0 ; stage<<a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>() ; stage++)
00358 {
00359 <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(stage, NULL);
00360 }
00361
00362
00363 <font class="comment">// A. Share mgt.</font>
00364 <font class="comment">//==============</font>
00365 <font class="keywordflow">if</font>(tex.supportSharing())
00366 {
00367 <font class="comment">// Try to get the shared texture.</font>
00368
00369 <font class="comment">// Create the shared Name.</font>
00370 std::string name;
00371 <a class="code" href="classNL3D_1_1IDriver.html#d0">getTextureShareName</a> (tex, name);
00372
00373 <font class="comment">// insert or get the texture.</font>
00374 {
00375 CSynchronized<TTexDrvInfoPtrMap>::CAccessor access(&<a class="code" href="classNL3D_1_1IDriver.html#n0">_SyncTexDrvInfos</a>);
00376 TTexDrvInfoPtrMap &rTexDrvInfos = access.value();
00377
00378 <a class="code" href="namespaceNL3D.html#a246">ItTexDrvInfoPtrMap</a> itTex;
00379 itTex= rTexDrvInfos.find(name);
00380
00381 <font class="comment">// texture not found?</font>
00382 <font class="keywordflow">if</font>( itTex==rTexDrvInfos.end() )
00383 {
00384 <font class="comment">// insert into driver map. (so it is deleted when driver is deleted).</font>
00385 itTex= (rTexDrvInfos.insert(make_pair(name, (<a class="code" href="classNL3D_1_1IDriver.html#l2">ITextureDrvInfos</a>*)NULL))).first;
00386 <font class="comment">// create and set iterator, for future deletion.</font>
00387 itTex->second= tex.TextureDrvShare->DrvTexture= <font class="keyword">new</font> <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>(<font class="keyword">this</font>, itTex, <font class="keyword">this</font>);
00388
00389 <font class="comment">// need to load ALL this texture.</font>
00390 mustLoadAll= <font class="keyword">true</font>;
00391 }
00392 <font class="keywordflow">else</font>
00393 {
00394 tex.TextureDrvShare->DrvTexture= itTex->second;
00395
00396 <font class="keywordflow">if</font>(bMustRecreateSharedTexture)
00397 <font class="comment">// reload this shared texture (user request)</font>
00398 mustLoadAll= <font class="keyword">true</font>;
00399 <font class="keywordflow">else</font>
00400 <font class="comment">// Do not need to reload this texture, even if the format/mipmap has changed, since we found this </font>
00401 <font class="comment">// couple in the map.</font>
00402 mustLoadAll= <font class="keyword">false</font>;
00403 }
00404 }
00405 <font class="comment">// Do not test if part of texture may need to be computed, because Rect invalidation is incompatible </font>
00406 <font class="comment">// with texture sharing.</font>
00407 }
00408 <font class="keywordflow">else</font>
00409 {
00410 <font class="comment">// If texture not already created.</font>
00411 <font class="keywordflow">if</font>(!tex.TextureDrvShare->DrvTexture)
00412 {
00413 <font class="comment">// Must create it. Create auto a GL id (in constructor).</font>
00414 <font class="comment">// Do not insert into the map. This un-shared texture will be deleted at deletion of the texture.</font>
00415 <font class="comment">// Inform ITextureDrvInfos by passing NULL _Driver.</font>
00416 tex.TextureDrvShare->DrvTexture= <font class="keyword">new</font> <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>(NULL, <a class="code" href="namespaceNL3D.html#a246">ItTexDrvInfoPtrMap</a>(), <font class="keyword">this</font>);
00417
00418 <font class="comment">// need to load ALL this texture.</font>
00419 mustLoadAll= <font class="keyword">true</font>;
00420 }
00421 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(tex.isAllInvalidated())
00422 mustLoadAll= <font class="keyword">true</font>;
00423 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(tex.touched())
00424 mustLoadPart= <font class="keyword">true</font>;
00425 }
00426
00427 <font class="comment">// B. Setup texture.</font>
00428 <font class="comment">//==================</font>
00429 <font class="keywordflow">if</font>(mustLoadAll || mustLoadPart)
00430 {
00431 <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>* gltext;
00432 gltext= <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a>(tex);
00433
00434 <font class="comment">// system of "backup the previous binded texture" seems to not work with some drivers....</font>
00435 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(0);
00436 <font class="keywordflow">if</font>(tex.isTextureCube())
00437 {
00438 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureCubeMap);
00439 <font class="comment">// Bind this texture, for reload...</font>
00440 glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, gltext->ID);
00441 }
00442 <font class="keywordflow">else</font>
00443 {
00444 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::Texture2D);
00445 <font class="comment">// Bind this texture, for reload...</font>
00446 glBindTexture(GL_TEXTURE_2D, gltext->ID);
00447 }
00448
00449
00450 glPixelStorei(GL_UNPACK_ALIGNMENT,1);
00451
00452 <font class="comment">// a. Load All the texture case.</font>
00453 <font class="comment">//==============================</font>
00454 <font class="keywordflow">if</font> (mustLoadAll)
00455 {
00456 <font class="comment">// profiling. sub old textre memory usage, and reset.</font>
00457 <a class="code" href="classNL3D_1_1CDriverGL.html#z412_3">_AllocatedTextureMemory</a>-= gltext->TextureMemory;
00458 gltext->TextureMemory= 0;
00459
00460
00461 <font class="keywordflow">if</font>(tex.isTextureCube())
00462 {
00463 <font class="keyword">static</font> GLenum face_map[6] = { GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
00464 GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
00465 GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
00466 GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
00467 GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
00468 GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB };
00469 CTextureCube *pTC = NLMISC::safe_cast<CTextureCube *>(&tex);
00470 <font class="comment">// Regenerate all the texture.</font>
00471 tex.generate();
00472 <font class="keywordflow">for</font>(uint nText = 0; nText < 6; ++nText)
00473 <font class="keywordflow">if</font>(pTC->getTexture((CTextureCube::TFace)nText) != NULL)
00474 {
00475 ITexture *pTInTC = pTC->getTexture((CTextureCube::TFace)nText);
00476 <font class="comment">// Get the correct texture format from texture...</font>
00477 GLint glfmt= <a class="code" href="classNL3D_1_1CDriverGL.html#c12">getGlTextureFormat</a>(*pTInTC, gltext->Compressed);
00478 GLint glSrcFmt= <a class="code" href="namespaceNL3D.html#a348">getGlSrcTextureFormat</a>(*pTInTC, glfmt);
00479 GLenum glSrcType= <a class="code" href="namespaceNL3D.html#a349">getGlSrcTextureComponentType</a>(glSrcFmt);
00480
00481 sint nMipMaps;
00482 <font class="keywordflow">if</font>(glSrcFmt==GL_RGBA && pTInTC->getPixelFormat()!=CBitmap::RGBA )
00483 pTInTC->convertToType(CBitmap::RGBA);
00484 <font class="keywordflow">if</font>(tex.mipMapOn())
00485 {
00486 pTInTC->buildMipMaps();
00487 nMipMaps= pTInTC->getMipMapCount();
00488 }
00489 <font class="keywordflow">else</font>
00490 nMipMaps= 1;
00491
00492 <font class="comment">// Fill mipmaps.</font>
00493 <font class="keywordflow">for</font>(sint i=0;i<nMipMaps;i++)
00494 {
00495 <font class="keywordtype">void</font> *ptr= &(*pTInTC->getPixels(i).begin());
00496 uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= pTInTC->getWidth(i);
00497 uint h= pTInTC->getHeight(i);
00498 <font class="keywordflow">if</font> (bUpload)
00499 {
00500 glTexImage2D (face_map[nText], i, glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, 0, glSrcFmt, glSrcType, ptr);
00501 bAllUploaded = <font class="keyword">true</font>;
00502 }
00503 <font class="keywordflow">else</font>
00504 {
00505 glTexImage2D (face_map[nText], i, glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, 0, glSrcFmt, glSrcType, NULL);
00506 }
00507 <font class="comment">// profiling: count TextureMemory usage.</font>
00508 gltext->TextureMemory+= <a class="code" href="classNL3D_1_1CDriverGL.html#z412_0">computeMipMapMemoryUsage</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, glfmt);
00509 }
00510 }
00511 }
00512 <font class="keywordflow">else</font>
00513 {
00514 <font class="comment">// Regenerate all the texture.</font>
00515 tex.generate();
00516
00517 <font class="keywordflow">if</font>(tex.getSize()>0)
00518 {
00519 <font class="comment">// Get the correct texture format from texture...</font>
00520 GLint glfmt= <a class="code" href="classNL3D_1_1CDriverGL.html#c12">getGlTextureFormat</a>(tex, gltext->Compressed);
00521 GLint glSrcFmt= <a class="code" href="namespaceNL3D.html#a348">getGlSrcTextureFormat</a>(tex, glfmt);
00522 GLenum glSrcType= <a class="code" href="namespaceNL3D.html#a349">getGlSrcTextureComponentType</a>(glSrcFmt);
00523
00524 <font class="comment">// DXTC: if same format, and same mipmapOn/Off, use glTexCompressedImage*.</font>
00525 <font class="comment">// We cannot build the mipmaps if they are not here.</font>
00526 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.EXTTextureCompressionS3TC && <a class="code" href="namespaceNL3D.html#a353">sameDXTCFormat</a>(tex, glfmt) &&
00527 (tex.mipMapOff() || tex.getMipMapCount()>1) )
00528 {
00529 sint nMipMaps;
00530 <font class="keywordflow">if</font>(tex.mipMapOn())
00531 nMipMaps= tex.getMipMapCount();
00532 <font class="keywordflow">else</font>
00533 nMipMaps= 1;
00534
00535 <font class="comment">// Degradation in Size allowed only if DXTC texture are provided with mipmaps.</font>
00536 <font class="comment">// Because use them to resize !!!</font>
00537 uint decalMipMapResize= 0;
00538 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>>0 && tex.allowDegradation() && nMipMaps>1)
00539 {
00540 decalMipMapResize= <a class="code" href="bit__set_8cpp.html#a0">min</a>(<a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>, (uint)(nMipMaps-1));
00541 }
00542
00543 <font class="comment">// Fill mipmaps.</font>
00544 <font class="keywordflow">for</font>(sint i=decalMipMapResize;i<nMipMaps;i++)
00545 {
00546 <font class="keywordtype">void</font> *ptr= &(*tex.getPixels(i).begin());
00547 sint size= tex.getPixels(i).size();
00548 <font class="keywordflow">if</font> (bUpload)
00549 {
00550 <a class="code" href="driver__opengl__extension_8h.html#a35">nglCompressedTexImage2DARB</a> (GL_TEXTURE_2D, i-decalMipMapResize, glfmt,
00551 tex.getWidth(i),tex.getHeight(i), 0, size, ptr);
00552 bAllUploaded = <font class="keyword">true</font>;
00553 }
00554 <font class="keywordflow">else</font>
00555 {
00556 <font class="comment">//nglCompressedTexImage2DARB (GL_TEXTURE_2D, i-decalMipMapResize, glfmt, </font>
00557 <font class="comment">// tex.getWidth(i),tex.getHeight(i), 0, size, NULL);</font>
00558 glTexImage2D (GL_TEXTURE_2D, i-decalMipMapResize, glfmt, tex.getWidth(i), tex.getHeight(i),
00559 0, glSrcFmt, glSrcType, NULL);
00560 }
00561
00562 <font class="comment">// profiling: count TextureMemory usage.</font>
00563 gltext->TextureMemory+= tex.getPixels(i).size();
00564 }
00565 }
00566 <font class="keywordflow">else</font>
00567 {
00568 sint nMipMaps;
00569 <font class="keywordflow">if</font>(glSrcFmt==GL_RGBA && tex.getPixelFormat()!=CBitmap::RGBA )
00570 {
00571 bUpload = <font class="keyword">true</font>; <font class="comment">// Force all upload</font>
00572 tex.convertToType(CBitmap::RGBA);
00573 }
00574
00575 <font class="comment">// Degradation in Size.</font>
00576 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>>0 && tex.allowDegradation())
00577 {
00578 uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= tex.getWidth(0) >> <a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>;
00579 uint h= tex.getHeight(0) >> <a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>;
00580 <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= max(1U, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00581 h= max(1U, h);
00582 tex.resample(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h);
00583 }
00584
00585 <font class="keywordflow">if</font>(tex.mipMapOn())
00586 {
00587 tex.buildMipMaps();
00588 nMipMaps= tex.getMipMapCount();
00589 }
00590 <font class="keywordflow">else</font>
00591 nMipMaps= 1;
00592
00593 <font class="comment">// Fill mipmaps.</font>
00594 <font class="keywordflow">for</font>(sint i=0;i<nMipMaps;i++)
00595 {
00596 <font class="keywordtype">void</font> *ptr= &(*tex.getPixels(i).begin());
00597 uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= tex.getWidth(i);
00598 uint h= tex.getHeight(i);
00599
00600 <font class="keywordflow">if</font> (bUpload)
00601 {
00602 glTexImage2D (GL_TEXTURE_2D, i, glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, 0,glSrcFmt, glSrcType, ptr);
00603 bAllUploaded = <font class="keyword">true</font>;
00604 }
00605 <font class="keywordflow">else</font>
00606 {
00607 glTexImage2D (GL_TEXTURE_2D, i, glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, 0,glSrcFmt, glSrcType, NULL);
00608 }
00609 <font class="comment">// profiling: count TextureMemory usage.</font>
00610 gltext->TextureMemory += <a class="code" href="classNL3D_1_1CDriverGL.html#z412_0">computeMipMapMemoryUsage</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, glfmt);
00611 }
00612 }
00613 }
00614 }
00615 <font class="comment">//printf("%d,%d,%d\n", tex.getMipMapCount(), tex.getWidth(0), tex.getHeight(0));</font>
00616
00617
00618 <font class="comment">// profiling. add new TextureMemory usage.</font>
00619 <a class="code" href="classNL3D_1_1CDriverGL.html#z412_3">_AllocatedTextureMemory</a>+= gltext->TextureMemory;
00620 }
00621 <font class="comment">// b. Load part of the texture case.</font>
00622 <font class="comment">//==================================</font>
00623 <font class="comment">// \todo yoyo: TODO_DXTC</font>
00624 <font class="comment">// Replace parts of a compressed image. Maybe don't work with the actual system of invalidateRect()...</font>
00625 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (mustLoadPart && !gltext->Compressed)
00626 {
00627 <font class="comment">// Regenerate wanted part of the texture.</font>
00628 tex.generate();
00629
00630 <font class="keywordflow">if</font>(tex.getSize()>0)
00631 {
00632 <font class="comment">// Get the correct texture format from texture...</font>
00633 <font class="comment">//===============================================</font>
00634 <font class="keywordtype">bool</font> dummy;
00635 GLint glfmt= <a class="code" href="classNL3D_1_1CDriverGL.html#c12">getGlTextureFormat</a>(tex, dummy);
00636 GLint glSrcFmt= <a class="code" href="namespaceNL3D.html#a348">getGlSrcTextureFormat</a>(tex, glfmt);
00637 GLenum glSrcType= <a class="code" href="namespaceNL3D.html#a349">getGlSrcTextureComponentType</a>(glSrcFmt);
00638
00639 sint nMipMaps;
00640 <font class="keywordflow">if</font>(glSrcFmt==GL_RGBA && tex.getPixelFormat()!=CBitmap::RGBA )
00641 tex.convertToType(CBitmap::RGBA);
00642 <font class="keywordflow">if</font>(tex.mipMapOn())
00643 {
00644 <font class="keywordtype">bool</font> hadMipMap= tex.getMipMapCount()>1;
00645 tex.buildMipMaps();
00646 nMipMaps= tex.getMipMapCount();
00647 <font class="comment">// If the texture had no mipmap before, release them.</font>
00648 <font class="keywordflow">if</font>(!hadMipMap)
00649 {
00650 tex.releaseMipMaps();
00651 }
00652 }
00653 <font class="keywordflow">else</font>
00654 nMipMaps= 1;
00655
00656 <font class="comment">// For all rect, update the texture/mipmap.</font>
00657 <font class="comment">//===============================================</font>
00658 list<NLMISC::CRect>::iterator itRect;
00659 <font class="keywordflow">for</font>(itRect=tex._ListInvalidRect.begin(); itRect!=tex._ListInvalidRect.end(); itRect++)
00660 {
00661 CRect &rect= *itRect;
00662 sint x0= rect.X;
00663 sint y0= rect.Y;
00664 sint x1= rect.X+rect.Width;
00665 sint y1= rect.Y+rect.Height;
00666
00667 <font class="comment">// Fill mipmaps.</font>
00668 <font class="keywordflow">for</font>(sint i=0;i<nMipMaps;i++)
00669 {
00670 <font class="keywordtype">void</font> *ptr= &(*tex.getPixels(i).begin());
00671 sint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= tex.getWidth(i);
00672 sint h= tex.getHeight(i);
00673 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(x0, 0, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00674 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(y0, 0, h);
00675 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(x1, x0, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00676 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(y1, y0, h);
00677
00678 glPixelStorei(GL_UNPACK_ROW_LENGTH, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00679 glPixelStorei(GL_UNPACK_SKIP_ROWS, y0);
00680 glPixelStorei(GL_UNPACK_SKIP_PIXELS, x0);
00681 <font class="keywordflow">if</font> (bUpload)
00682 glTexSubImage2D (GL_TEXTURE_2D, i, x0, y0, x1-x0, y1-y0, glSrcFmt,glSrcType, ptr);
00683 <font class="keywordflow">else</font>
00684 glTexSubImage2D (GL_TEXTURE_2D, i, x0, y0, x1-x0, y1-y0, glSrcFmt,glSrcType, NULL);
00685
00686 <font class="comment">// Next mipmap!!</font>
00687 <font class="comment">// floor .</font>
00688 x0= x0/2;
00689 y0= y0/2;
00690 <font class="comment">// ceil.</font>
00691 x1= (x1+1)/2;
00692 y1= (y1+1)/2;
00693 }
00694 }
00695
00696 <font class="comment">// Reset the transfer mode...</font>
00697 glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
00698 glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
00699 glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
00700 }
00701 }
00702
00703
00704 <font class="comment">// Release, if wanted.</font>
00705 <font class="keywordflow">if</font>(tex.getReleasable())
00706 tex.release();
00707
00708 <font class="comment">// Basic parameters.</font>
00709 <font class="comment">//==================</font>
00710 gltext->WrapS= tex.getWrapS();
00711 gltext->WrapT= tex.getWrapT();
00712 gltext->MagFilter= tex.getMagFilter();
00713 gltext->MinFilter= tex.getMinFilter();
00714 <font class="keywordflow">if</font>(tex.isTextureCube())
00715 {
00716 glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_WRAP_S, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(ITexture::Clamp, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00717 glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_WRAP_T, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(ITexture::Clamp, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00718 glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_WRAP_R, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(ITexture::Clamp, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00719 glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_MAG_FILTER, <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(gltext->MagFilter));
00720 glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext->MinFilter));
00721 }
00722 <font class="keywordflow">else</font>
00723 {
00724 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(gltext->WrapS, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00725 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(gltext->WrapT, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00726 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(gltext->MagFilter));
00727 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext->MinFilter));
00728 }
00729
00730
00731
00732 <font class="comment">// Disable texture 0</font>
00733 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_4">_CurrentTexture</a>[0]= NULL;
00734 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[0]= NULL;
00735 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureDisabled);
00736 }
00737
00738
00739 <font class="comment">// The texture is correctly setuped.</font>
00740 tex.clearTouched();
00741 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00742 }
00743
00744
00745 <font class="comment">// ***************************************************************************</font>
<a name="l00746"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a20">00746</a> <font class="keywordtype">bool</font> CDriverGL::uploadTexture (ITexture& tex, CRect& rect, uint8 nNumMipMap)
00747 {
00748 <font class="keywordflow">if</font> (tex.TextureDrvShare == NULL)
00749 <font class="keywordflow">return</font> <font class="keyword">false</font>; <font class="comment">// Texture not created</font>
00750 <font class="keywordflow">if</font> (tex.TextureDrvShare->DrvTexture == NULL)
00751 <font class="keywordflow">return</font> <font class="keyword">false</font>; <font class="comment">// Texture not created</font>
00752 <font class="keywordflow">if</font> (tex.isTextureCube())
00753 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00754
00755 <a class="code" href="debug_8h.html#a6">nlassert</a>(nNumMipMap<(uint8)tex.getMipMapCount());
00756
00757 <font class="comment">// validate rect.</font>
00758 sint x0 = rect.X;
00759 sint y0 = rect.Y;
00760 sint x1 = rect.X+rect.Width;
00761 sint y1 = rect.Y+rect.Height;
00762 sint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = tex.getWidth (nNumMipMap);
00763 sint h = tex.getHeight (nNumMipMap);
00764 <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (x0, 0, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00765 <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (y0, 0, h);
00766 <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (x1, x0, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00767 <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (y1, y0, h);
00768
00769 <font class="comment">// bind the texture to upload </font>
00770 <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>* gltext;
00771 gltext = <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a> (tex);
00772
00773 <font class="comment">// system of "backup the previous binded texture" seems to not work with some drivers....</font>
00774 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB (0);
00775 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode (CDriverGLStates::Texture2D);
00776 <font class="comment">// Bind this texture, for reload...</font>
00777 glBindTexture (GL_TEXTURE_2D, gltext->ID);
00778
00779 glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
00780
00781 <font class="keywordtype">bool</font> dummy;
00782 GLint glfmt = <a class="code" href="classNL3D_1_1CDriverGL.html#c12">getGlTextureFormat</a> (tex, dummy);
00783 GLint glSrcFmt = <a class="code" href="namespaceNL3D.html#a348">getGlSrcTextureFormat</a> (tex, glfmt);
00784 GLenum glSrcType= <a class="code" href="namespaceNL3D.html#a349">getGlSrcTextureComponentType</a>(glSrcFmt);
00785 <font class="comment">// If DXTC format</font>
00786 <font class="comment">//if (isDXTCFormat(glfmt))</font>
00787 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.EXTTextureCompressionS3TC && <a class="code" href="namespaceNL3D.html#a353">sameDXTCFormat</a>(tex, glfmt) &&
00788 (tex.mipMapOff() || tex.getMipMapCount()>1) )
00789 {
00790 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.EXTTextureCompressionS3TC && <a class="code" href="namespaceNL3D.html#a353">sameDXTCFormat</a>(tex, glfmt) &&
00791 (tex.mipMapOff() || tex.getMipMapCount()>1) );
00792
00793 sint nUploadMipMaps;
00794 <font class="keywordflow">if</font> (tex.mipMapOn())
00795 nUploadMipMaps = tex.getMipMapCount();
00796 <font class="keywordflow">else</font>
00797 nUploadMipMaps = 1;
00798
00799 uint decalMipMapResize = 0;
00800 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>>0 && tex.allowDegradation() && nUploadMipMaps>1)
00801 {
00802 decalMipMapResize = <a class="code" href="bit__set_8cpp.html#a0">min</a>(<a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>, (uint)(nUploadMipMaps-1));
00803 }
00804
00805 <font class="comment">// Compute src compressed size and location</font>
00806 sint <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a> = (x1-x0)*(y1-y0);
00807 <font class="keywordtype">void</font> *ptr = &(*tex.getPixels(nNumMipMap).begin());
00808
00809 <font class="comment">// If DXTC1 or DXTC1A, then 4 bits/texel else 8 bits/texel</font>
00810 <font class="keywordflow">if</font> (glfmt == GL_COMPRESSED_RGB_S3TC_DXT1_EXT || glfmt == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT)
00811 {
00812 <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a> /= 2;
00813 ptr = (uint8*)ptr + y0*<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>/2 + x0/2;
00814 }
00815 <font class="keywordflow">else</font>
00816 {
00817 ptr = (uint8*)ptr + y0*<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> + x0;
00818 }
00819
00820 <font class="comment">// Upload</font>
00821
00822 <font class="keywordflow">if</font> (decalMipMapResize > nNumMipMap)
00823 {
00824 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_4">_CurrentTexture</a>[0]= NULL;
00825 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[0]= NULL;
00826 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode (CDriverGLStates::TextureDisabled);
00827 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00828 }
00829
00830
00831 <a class="code" href="debug_8h.html#a6">nlassert</a> (((x0&3) == 0) && ((y0&3) == 0));
00832 <font class="keywordflow">if</font> ((<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>>=4) && (h>=4))
00833 {
00834 <a class="code" href="driver__opengl__extension_8h.html#a38">nglCompressedTexSubImage2DARB</a> ( GL_TEXTURE_2D, nNumMipMap-decalMipMapResize,
00835 x0, y0, (x1-x0), (y1-y0), glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a>, ptr );
00836 }
00837 <font class="keywordflow">else</font>
00838 {
00839 <font class="comment">// The CompressedTexSubImage2DARB function do not functionnate properly if width or height</font>
00840 <font class="comment">// of the mipmap is less than 4 pixel so we use the other form. (its not really time critical</font>
00841 <font class="comment">// to upload 16 bytes so we can do it twice if texture is cut)</font>
00842 <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a> = tex.getPixels(nNumMipMap).size();
00843 <a class="code" href="driver__opengl__extension_8h.html#a35">nglCompressedTexImage2DARB</a> (GL_TEXTURE_2D, nNumMipMap-decalMipMapResize,
00844 glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, 0, <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a>, ptr);
00845 }
00846 }
00847 <font class="keywordflow">else</font>
00848 {
00849 <font class="comment">// glSrcFmt and ITexture format must be identical</font>
00850 <a class="code" href="debug_8h.html#a6">nlassert</a> (glSrcFmt!=GL_RGBA || tex.getPixelFormat()==CBitmap::RGBA);
00851
00852 <font class="keywordtype">void</font> *ptr= &(*tex.getPixels(nNumMipMap).begin());
00853 glPixelStorei (GL_UNPACK_ROW_LENGTH, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00854 glPixelStorei (GL_UNPACK_SKIP_ROWS, y0);
00855 glPixelStorei (GL_UNPACK_SKIP_PIXELS, x0);
00856 glTexSubImage2D (GL_TEXTURE_2D, nNumMipMap, x0, y0, x1-x0, y1-y0, glSrcFmt,glSrcType, ptr);
00857
00858 <font class="comment">// Reset the transfer mode...</font>
00859 glPixelStorei (GL_UNPACK_ROW_LENGTH, 0);
00860 glPixelStorei (GL_UNPACK_SKIP_ROWS, 0);
00861 glPixelStorei (GL_UNPACK_SKIP_PIXELS, 0);
00862 }
00863
00864 <font class="comment">// Disable texture 0</font>
00865 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_4">_CurrentTexture</a>[0]= NULL;
00866 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[0]= NULL;
00867 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode (CDriverGLStates::TextureDisabled);
00868
00869 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00870 }
00871
00872 <font class="comment">// ***************************************************************************</font>
<a name="l00873"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a21">00873</a> <font class="keywordtype">bool</font> CDriverGL::uploadTextureCube (ITexture& tex, CRect& rect, uint8 nNumMipMap, uint8 nNumFace)
00874 {
00875 <font class="keywordflow">if</font> (tex.TextureDrvShare == NULL)
00876 <font class="keywordflow">return</font> <font class="keyword">false</font>; <font class="comment">// Texture not created</font>
00877 <font class="keywordflow">if</font> (!tex.isTextureCube())
00878 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00879
00880 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00881 }
00882
00883 <font class="comment">// ***************************************************************************</font>
<a name="l00884"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c2">00884</a> <font class="keywordtype">bool</font> CDriverGL::activateTexture(uint stage, ITexture *tex)
00885 {
00886 <font class="keywordflow">if</font> (this-><a class="code" href="classNL3D_1_1CDriverGL.html#z405_4">_CurrentTexture</a>[stage]!=tex)
00887 {
00888 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(stage);
00889 <font class="keywordflow">if</font>(tex)
00890 {
00891 <font class="comment">// get the drv info. should be not NULL.</font>
00892 <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>* gltext;
00893 gltext= <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a>(*tex);
00894
00895 <font class="comment">// Profile, log the use of this texture</font>
00896 <font class="comment">//=========================================</font>
00897 <font class="keywordflow">if</font> (_SumTextureMemoryUsed)
00898 {
00899 <font class="comment">// Insert the pointer of this texture</font>
00900 <a class="code" href="classNL3D_1_1CDriverGL.html#z412_7">_TextureUsed</a>.insert (gltext);
00901 }
00902
00903
00904 <font class="keywordflow">if</font>(tex->isTextureCube())
00905 {
00906 <font class="comment">// setup texture mode, after activeTextureARB()</font>
00907 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureCubeMap);
00908
00909 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.ARBTextureCubeMap)
00910 {
00911 <font class="comment">// Activate texturing...</font>
00912 <font class="comment">//======================</font>
00913
00914 <font class="comment">// If the shared texture is the same than before, no op.</font>
00915 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[stage] != gltext)
00916 {
00917 <font class="comment">// Cache setup.</font>
00918 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[stage]= gltext;
00919
00920 <font class="comment">// setup this texture</font>
00921 glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, gltext->ID);
00922
00923
00924 <font class="comment">// Change parameters of texture, if necessary.</font>
00925 <font class="comment">//============================================</font>
00926 <font class="keywordflow">if</font>(gltext->MagFilter!= tex->getMagFilter())
00927 {
00928 gltext->MagFilter= tex->getMagFilter();
00929 glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_MAG_FILTER, <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(gltext->MagFilter));
00930 }
00931 <font class="keywordflow">if</font>(gltext->MinFilter!= tex->getMinFilter())
00932 {
00933 gltext->MinFilter= tex->getMinFilter();
00934 glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext->MinFilter));
00935 }
00936 }
00937 }
00938 }
00939 <font class="keywordflow">else</font>
00940 {
00941 <font class="comment">// setup texture mode, after activeTextureARB()</font>
00942 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::Texture2D);
00943
00944 <font class="comment">// Activate texture...</font>
00945 <font class="comment">//======================</font>
00946
00947 <font class="comment">// If the shared texture is the same than before, no op.</font>
00948 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[stage] != gltext)
00949 {
00950 <font class="comment">// Cache setup.</font>
00951 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[stage]= gltext;
00952
00953 <font class="comment">// setup this texture</font>
00954 glBindTexture(GL_TEXTURE_2D, gltext->ID);
00955
00956
00957 <font class="comment">// Change parameters of texture, if necessary.</font>
00958 <font class="comment">//============================================</font>
00959 <font class="keywordflow">if</font>(gltext->WrapS!= tex->getWrapS())
00960 {
00961 gltext->WrapS= tex->getWrapS();
00962 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(gltext->WrapS, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00963 }
00964 <font class="keywordflow">if</font>(gltext->WrapT!= tex->getWrapT())
00965 {
00966 gltext->WrapT= tex->getWrapT();
00967 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(gltext->WrapT, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00968 }
00969 <font class="keywordflow">if</font>(gltext->MagFilter!= tex->getMagFilter())
00970 {
00971 gltext->MagFilter= tex->getMagFilter();
00972 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(gltext->MagFilter));
00973 }
00974 <font class="keywordflow">if</font>(gltext->MinFilter!= tex->getMinFilter())
00975 {
00976 gltext->MinFilter= tex->getMinFilter();
00977 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext->MinFilter));
00978 }
00979 }
00980 }
00981 }
00982 <font class="keywordflow">else</font>
00983 {
00984 <font class="comment">// Force no texturing for this stage.</font>
00985 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[stage]= NULL;
00986 <font class="comment">// setup texture mode, after activeTextureARB()</font>
00987 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureDisabled);
00988 }
00989
00990 this-><a class="code" href="classNL3D_1_1CDriverGL.html#z405_4">_CurrentTexture</a>[stage]= tex;
00991 }
00992
00993 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00994 }
00995
00996 <font class="comment">// ***************************************************************************</font>
<a name="l00997"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c5">00997</a> <font class="keywordtype">void</font> CDriverGL::forceActivateTexEnvMode(uint stage, <font class="keyword">const</font> CMaterial::CTexEnv &env)
00998 {
00999 <font class="comment">// This maps the CMaterial::TTexOperator</font>
01000 <font class="keyword">static</font> <font class="keyword">const</font> GLenum operatorLUT[9]= { GL_REPLACE, GL_MODULATE, GL_ADD, GL_ADD_SIGNED_EXT,
01001 GL_INTERPOLATE_EXT, GL_INTERPOLATE_EXT, GL_INTERPOLATE_EXT, GL_INTERPOLATE_EXT, <a class="code" href="driver__opengl__extension__def_8h.html#a352">GL_BUMP_ENVMAP_ATI</a> };
01002
01003 <font class="comment">// This maps the CMaterial::TTexSource</font>
01004 <font class="keyword">static</font> <font class="keyword">const</font> GLenum sourceLUT[4]= { GL_TEXTURE, GL_PREVIOUS_EXT, GL_PRIMARY_COLOR_EXT, GL_CONSTANT_EXT };
01005
01006 <font class="comment">// This maps the CMaterial::TTexOperand</font>
01007 <font class="keyword">static</font> <font class="keyword">const</font> GLenum operandLUT[4]= { GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA };
01008
01009 <font class="comment">// This maps the CMaterial::TTexOperator, used for openGL Arg2 setup.</font>
01010 <font class="keyword">static</font> <font class="keyword">const</font> GLenum interpolateSrcLUT[8]= { GL_TEXTURE, GL_TEXTURE, GL_TEXTURE, GL_TEXTURE,
01011 GL_TEXTURE, GL_PREVIOUS_EXT, GL_PRIMARY_COLOR_EXT, GL_CONSTANT_EXT };
01012
01013
01014
01015 <font class="comment">// cache mgt.</font>
01016 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_6">_CurrentTexEnv</a>[stage].EnvPacked= env.EnvPacked;
01017 <font class="comment">// Disable Special tex env f().</font>
01018 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[stage]= <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u0">TexEnvSpecialDisabled</a>;
01019
01020
01021 <font class="comment">// Setup the gl env mode.</font>
01022 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(stage);
01023 <font class="comment">// "Normal drivers", setup EnvCombine.</font>
01024 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.EXTTextureEnvCombine)
01025 {
01026 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
01027
01028
01029 <font class="comment">// RGB.</font>
01030 <font class="comment">//=====</font>
01031 <font class="comment">// Operator.</font>
01032 glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, operatorLUT[env.Env.OpRGB] );
01033 <font class="comment">// Arg0.</font>
01034 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, sourceLUT[env.Env.SrcArg0RGB] );
01035 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, operandLUT[env.Env.OpArg0RGB]);
01036 <font class="comment">// Arg1.</font>
01037 <font class="keywordflow">if</font>(env.Env.OpRGB > CMaterial::Replace)
01038 {
01039 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, sourceLUT[env.Env.SrcArg1RGB] );
01040 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, operandLUT[env.Env.OpArg1RGB]);
01041 <font class="comment">// Arg2.</font>
01042 <font class="keywordflow">if</font>(env.Env.OpRGB >= CMaterial::InterpolateTexture )
01043 {
01044 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, interpolateSrcLUT[env.Env.OpRGB] );
01045 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_ALPHA);
01046 }
01047 }
01048
01049
01050 <font class="comment">// Alpha.</font>
01051 <font class="comment">//=====</font>
01052 <font class="comment">// Operator.</font>
01053 glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, operatorLUT[env.Env.OpAlpha] );
01054 <font class="comment">// Arg0.</font>
01055 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, sourceLUT[env.Env.SrcArg0Alpha] );
01056 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, operandLUT[env.Env.OpArg0Alpha]);
01057 <font class="comment">// Arg1.</font>
01058 <font class="keywordflow">if</font>(env.Env.OpAlpha > CMaterial::Replace)
01059 {
01060 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, sourceLUT[env.Env.SrcArg1Alpha] );
01061 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT, operandLUT[env.Env.OpArg1Alpha]);
01062 <font class="comment">// Arg2.</font>
01063 <font class="keywordflow">if</font>(env.Env.OpAlpha >= CMaterial::InterpolateTexture )
01064 {
01065 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT, interpolateSrcLUT[env.Env.OpAlpha] );
01066 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT, GL_SRC_ALPHA);
01067 }
01068 }
01069 }
01070 <font class="comment">// Very Bad drivers.</font>
01071 <font class="keywordflow">else</font>
01072 {
01073 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
01074 }
01075
01076 }
01077
01078
01079 <font class="comment">// ***************************************************************************</font>
<a name="l01080"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c6">01080</a> <font class="keywordtype">void</font> CDriverGL::activateTexEnvColor(uint stage, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> col)
01081 {
01082 <font class="keywordflow">if</font> (col != <a class="code" href="classNL3D_1_1CDriverGL.html#z405_6">_CurrentTexEnv</a>[stage].ConstantColor)
01083 {
01084 <a class="code" href="classNL3D_1_1CDriverGL.html#c7">forceActivateTexEnvColor</a>(stage, col);
01085 }
01086 }
01087
01088
01089 <font class="comment">// ***************************************************************************</font>
<a name="l01090"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c3">01090</a> <font class="keywordtype">void</font> CDriverGL::activateTexEnvMode(uint stage, <font class="keyword">const</font> CMaterial::CTexEnv &env)
01091 {
01092 <font class="comment">// If a special Texture environnement is setuped, or if not the same normal texture environnement,</font>
01093 <font class="comment">// must setup a new normal Texture environnement.</font>
01094 <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_0u0">TexEnvSpecialDisabled</a> || <a class="code" href="classNL3D_1_1CDriverGL.html#z405_6">_CurrentTexEnv</a>[stage].EnvPacked!= env.EnvPacked)
01095 {
01096 <a class="code" href="classNL3D_1_1CDriverGL.html#c5">forceActivateTexEnvMode</a>(stage, env);
01097 }
01098 }
01099
01100
01101 <font class="comment">// ***************************************************************************</font>
<a name="l01102"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c4">01102</a> <font class="keywordtype">void</font> CDriverGL::activateTexEnvColor(uint stage, <font class="keyword">const</font> CMaterial::CTexEnv &env)
01103 {
01104 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_6">_CurrentTexEnv</a>[stage].ConstantColor!= env.ConstantColor)
01105 {
01106 <a class="code" href="classNL3D_1_1CDriverGL.html#c7">forceActivateTexEnvColor</a>(stage, env);
01107 }
01108 }
01109
01110
01111 <font class="comment">// ***************************************************************************</font>
<a name="l01112"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a22">01112</a> <font class="keywordtype">void</font> CDriverGL::forceDXTCCompression(<font class="keywordtype">bool</font> dxtcComp)
01113 {
01114 <a class="code" href="classNL3D_1_1CDriverGL.html#o27">_ForceDXTCCompression</a>= dxtcComp;
01115 }
01116
01117 <font class="comment">// ***************************************************************************</font>
<a name="l01118"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a23">01118</a> <font class="keywordtype">void</font> CDriverGL::forceTextureResize(uint divisor)
01119 {
01120 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(divisor, 1U, 256U);
01121
01122 <font class="comment">// 16 -> 4.</font>
01123 <a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>= <a class="code" href="namespaceNLMISC.html#a224">getPowerOf2</a>(divisor);
01124 }
01125
01126
01127 <font class="comment">// ***************************************************************************</font>
<a name="l01128"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a87">01128</a> <font class="keywordtype">void</font> CDriverGL::swapTextureHandle(ITexture &tex0, ITexture &tex1)
01129 {
01130 <font class="comment">// ensure creation of both texture</font>
01131 <a class="code" href="classNL3D_1_1CDriverGL.html#a18">setupTexture</a>(tex0);
01132 <a class="code" href="classNL3D_1_1CDriverGL.html#a18">setupTexture</a>(tex1);
01133
01134 <font class="comment">// avoid any problem, disable all textures</font>
01135 <font class="keywordflow">for</font>(sint stage=0; stage<<a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>() ; stage++)
01136 {
01137 <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(stage, NULL);
01138 }
01139
01140 <font class="comment">// get the handle.</font>
01141 <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a> *t0= <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a>(tex0);
01142 <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a> *t1= <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a>(tex1);
01143
01144 <font class="comment">/* Swap contents. Can't swap directly the pointers cause would have to change all CTextureDrvShare which point on</font>
01145 <font class="comment"> Can't do swap(*t0, *t1), because must keep the correct _DriverIterator</font>
01146 <font class="comment"> */</font>
01147 swap(t0->ID, t1->ID);
01148 swap(t0->Compressed, t1->Compressed);
01149 swap(t0->TextureMemory, t1->TextureMemory);
01150 swap(t0->WrapS, t1->WrapS);
01151 swap(t0->WrapT, t1->WrapT);
01152 swap(t0->MagFilter, t1->MagFilter);
01153 swap(t0->MinFilter, t1->MinFilter);
01154
01155 }
01156
01157
01158 } <font class="comment">// NL3D</font>
</pre></div>
<!-- footer -->
<BR><FONT Size=+5> </FONT>
</TD>
<TD WIDTH=15><IMG SRC=/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD>
</TR>
</TABLE>
</BODY>
</HTML>
|