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Wed May 27 20:33:03 2009 UTC (10 years, 3 months ago) by Jede
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Ajouts des libs windows
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64 >Next</A
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69 ALIGN="LEFT"
70 WIDTH="100%"></DIV
71 ><H1
72 ><A
73 NAME="SDLENVVARS"
74 ></A
75 >SDL_envvars</H1
76 ><DIV
77 CLASS="REFNAMEDIV"
78 ><A
79 NAME="AEN675"
80 ></A
81 ><H2
82 >Name</H2
83 >SDL_envvars&nbsp;--&nbsp;SDL environment variables</DIV
84 ><DIV
85 CLASS="REFSECT1"
86 ><A
87 NAME="AEN678"
88 ></A
89 ><H2
90 >Description</H2
91 ><P
92 >Not a function, set using setenv()</P
93 ><P
94 >Several environment variables are available to modify the
95 behaviour of SDL. Using these variables isn't recommened and the names
96 and presence of these variables aren't guaranteed from one release to
97 the next. However, they can be very useful for debugging
98 purposes.</P
99 ></DIV
100 ><DIV
101 CLASS="REFSECT1"
102 ><A
103 NAME="AEN682"
104 ></A
105 ><H2
106 >Video</H2
107 ><P
108 ></P
109 ><DIV
110 CLASS="VARIABLELIST"
111 ><DL
112 ><DT
113 ><TT
114 CLASS="LITERAL"
115 >SDL_FBACCEL</TT
116 ></DT
117 ><DD
118 ><P
119 >If set to 0, disable hardware acceleration in the linux fbcon driver.</P
120 ></DD
121 ><DT
122 ><TT
123 CLASS="LITERAL"
124 >SDL_FBDEV</TT
125 ></DT
126 ><DD
127 ><P
128 >Frame buffer device to use in the linux fbcon driver, instead of /dev/fb0</P
129 ></DD
130 ><DT
131 ><TT
132 CLASS="LITERAL"
133 >SDL_FULLSCREEN_UPDATE</TT
134 ></DT
135 ><DD
136 ><P
137 >In the ps2gs driver, sets the <TT
138 CLASS="LITERAL"
139 >SDL_ASYNCBLIT</TT
140 > flag on the
141 display surface.</P
142 ></DD
143 ><DT
144 ><TT
145 CLASS="LITERAL"
146 >SDL_VIDEODRIVER</TT
147 ></DT
148 ><DD
149 ><P
150 >Selectes the video driver for SDL to use. Possible values, in the
151 order they are tried if this variable is not set:</P
152 ><DIV
153 CLASS="INFORMALTABLE"
154 ><A
155 NAME="AEN706"
156 ></A
157 ><P
158 ></P
159 ><TABLE
160 BORDER="0"
161 CLASS="CALSTABLE"
162 ><TBODY
163 ><TR
164 ><TD
165 ALIGN="LEFT"
166 VALIGN="TOP"
167 ><TT
168 CLASS="LITERAL"
169 >x11</TT
170 ></TD
171 ><TD
172 ALIGN="LEFT"
173 VALIGN="TOP"
174 ><P
175 ></P
176 ></TD
177 ></TR
178 ><TR
179 ><TD
180 ALIGN="LEFT"
181 VALIGN="TOP"
182 ><TT
183 CLASS="LITERAL"
184 >dga</TT
185 ></TD
186 ><TD
187 ALIGN="LEFT"
188 VALIGN="TOP"
189 ><P
190 >(the XFree86 DGA2)</P
191 ></TD
192 ></TR
193 ><TR
194 ><TD
195 ALIGN="LEFT"
196 VALIGN="TOP"
197 ><TT
198 CLASS="LITERAL"
199 >nanox</TT
200 ></TD
201 ><TD
202 ALIGN="LEFT"
203 VALIGN="TOP"
204 ><P
205 >(Linux)</P
206 ></TD
207 ></TR
208 ><TR
209 ><TD
210 ALIGN="LEFT"
211 VALIGN="TOP"
212 ><TT
213 CLASS="LITERAL"
214 >fbcon</TT
215 ></TD
216 ><TD
217 ALIGN="LEFT"
218 VALIGN="TOP"
219 ><P
220 >(Linux)</P
221 ></TD
222 ></TR
223 ><TR
224 ><TD
225 ALIGN="LEFT"
226 VALIGN="TOP"
227 ><TT
228 CLASS="LITERAL"
229 >directfb</TT
230 ></TD
231 ><TD
232 ALIGN="LEFT"
233 VALIGN="TOP"
234 ><P
235 >(Linux)</P
236 ></TD
237 ></TR
238 ><TR
239 ><TD
240 ALIGN="LEFT"
241 VALIGN="TOP"
242 ><TT
243 CLASS="LITERAL"
244 >ps2gs</TT
245 ></TD
246 ><TD
247 ALIGN="LEFT"
248 VALIGN="TOP"
249 ><P
250 >(Playstation 2)</P
251 ></TD
252 ></TR
253 ><TR
254 ><TD
255 ALIGN="LEFT"
256 VALIGN="TOP"
257 ><TT
258 CLASS="LITERAL"
259 >ggi</TT
260 ></TD
261 ><TD
262 ALIGN="LEFT"
263 VALIGN="TOP"
264 ><P
265 ></P
266 ></TD
267 ></TR
268 ><TR
269 ><TD
270 ALIGN="LEFT"
271 VALIGN="TOP"
272 ><TT
273 CLASS="LITERAL"
274 >vgl</TT
275 ></TD
276 ><TD
277 ALIGN="LEFT"
278 VALIGN="TOP"
279 ><P
280 >(BSD)</P
281 ></TD
282 ></TR
283 ><TR
284 ><TD
285 ALIGN="LEFT"
286 VALIGN="TOP"
287 ><TT
288 CLASS="LITERAL"
289 >svgalib</TT
290 ></TD
291 ><TD
292 ALIGN="LEFT"
293 VALIGN="TOP"
294 ><P
295 >(Linux)</P
296 ></TD
297 ></TR
298 ><TR
299 ><TD
300 ALIGN="LEFT"
301 VALIGN="TOP"
302 ><TT
303 CLASS="LITERAL"
304 >aalib</TT
305 ></TD
306 ><TD
307 ALIGN="LEFT"
308 VALIGN="TOP"
309 ><P
310 ></P
311 ></TD
312 ></TR
313 ><TR
314 ><TD
315 ALIGN="LEFT"
316 VALIGN="TOP"
317 ><TT
318 CLASS="LITERAL"
319 >directx</TT
320 ></TD
321 ><TD
322 ALIGN="LEFT"
323 VALIGN="TOP"
324 ><P
325 >(Win32)</P
326 ></TD
327 ></TR
328 ><TR
329 ><TD
330 ALIGN="LEFT"
331 VALIGN="TOP"
332 ><TT
333 CLASS="LITERAL"
334 >windib</TT
335 ></TD
336 ><TD
337 ALIGN="LEFT"
338 VALIGN="TOP"
339 ><P
340 >(Win32)</P
341 ></TD
342 ></TR
343 ><TR
344 ><TD
345 ALIGN="LEFT"
346 VALIGN="TOP"
347 ><TT
348 CLASS="LITERAL"
349 >bwindow</TT
350 ></TD
351 ><TD
352 ALIGN="LEFT"
353 VALIGN="TOP"
354 ><P
355 >(BeOS)</P
356 ></TD
357 ></TR
358 ><TR
359 ><TD
360 ALIGN="LEFT"
361 VALIGN="TOP"
362 ><TT
363 CLASS="LITERAL"
364 >toolbox</TT
365 ></TD
366 ><TD
367 ALIGN="LEFT"
368 VALIGN="TOP"
369 ><P
370 >(MacOS Classic)</P
371 ></TD
372 ></TR
373 ><TR
374 ><TD
375 ALIGN="LEFT"
376 VALIGN="TOP"
377 ><TT
378 CLASS="LITERAL"
379 >DSp</TT
380 ></TD
381 ><TD
382 ALIGN="LEFT"
383 VALIGN="TOP"
384 ><P
385 >(MacOS Classic)</P
386 ></TD
387 ></TR
388 ><TR
389 ><TD
390 ALIGN="LEFT"
391 VALIGN="TOP"
392 ><TT
393 CLASS="LITERAL"
394 >Quartz</TT
395 ></TD
396 ><TD
397 ALIGN="LEFT"
398 VALIGN="TOP"
399 ><P
400 >(Mac OS X)</P
401 ></TD
402 ></TR
403 ><TR
404 ><TD
405 ALIGN="LEFT"
406 VALIGN="TOP"
407 ><TT
408 CLASS="LITERAL"
409 >CGX</TT
410 ></TD
411 ><TD
412 ALIGN="LEFT"
413 VALIGN="TOP"
414 ><P
415 >(Amiga)</P
416 ></TD
417 ></TR
418 ><TR
419 ><TD
420 ALIGN="LEFT"
421 VALIGN="TOP"
422 ><TT
423 CLASS="LITERAL"
424 >photon</TT
425 ></TD
426 ><TD
427 ALIGN="LEFT"
428 VALIGN="TOP"
429 ><P
430 >(QNX)</P
431 ></TD
432 ></TR
433 ><TR
434 ><TD
435 ALIGN="LEFT"
436 VALIGN="TOP"
437 ><TT
438 CLASS="LITERAL"
439 >dummy</TT
440 ></TD
441 ><TD
442 ALIGN="LEFT"
443 VALIGN="TOP"
444 ><P
445 ></P
446 ></TD
447 ></TR
448 ></TBODY
449 ></TABLE
450 ><P
451 ></P
452 ></DIV
453 ></DD
454 ><DT
455 ><TT
456 CLASS="LITERAL"
457 >SDL_VIDEO_CENTERED</TT
458 ></DT
459 ><DD
460 ><P
461 >If set, tries to center the SDL window when running in X11 windowed
462 mode, or using the CyberGrafix driver.</P
463 ></DD
464 ><DT
465 ><TT
466 CLASS="LITERAL"
467 >SDL_VIDEO_GL_DRIVER</TT
468 ></DT
469 ><DD
470 ><P
471 >The openGL driver (shared library) to use for X11. Default is libGL.so.1</P
472 ></DD
473 ><DT
474 ><TT
475 CLASS="LITERAL"
476 >SDL_VIDEO_X11_DGAMOUSE</TT
477 ></DT
478 ><DD
479 ><P
480 >With XFree86, enables use of DGA mouse if set.</P
481 ></DD
482 ><DT
483 ><TT
484 CLASS="LITERAL"
485 >SDL_VIDEO_X11_MOUSEACCEL</TT
486 ></DT
487 ><DD
488 ><P
489 >For X11, sets the mouse acceleration. The value should be a string
490 on the form:</P
491 ><P
492 >"<TT
493 CLASS="PARAMETER"
494 ><I
495 >n</I
496 ></TT
497 >/<TT
498 CLASS="PARAMETER"
499 ><I
500 >d</I
501 ></TT
502 >/<TT
503 CLASS="PARAMETER"
504 ><I
505 >t</I
506 ></TT
507 >"</P
508 ><P
509 >where <TT
510 CLASS="PARAMETER"
511 ><I
512 >n</I
513 ></TT
514 > and <TT
515 CLASS="PARAMETER"
516 ><I
517 >d</I
518 ></TT
519 > are the
520 acceleration numerator/denumerators (so mouse movement is accelerated by
521 <TT
522 CLASS="PARAMETER"
523 ><I
524 >n</I
525 ></TT
526 >/<TT
527 CLASS="PARAMETER"
528 ><I
529 >d</I
530 ></TT
531 >), and
532 <TT
533 CLASS="PARAMETER"
534 ><I
535 >t</I
536 ></TT
537 > is the threshold above which acceleration applies
538 (counted as number of pixels the mouse moves at once).</P
539 ></DD
540 ><DT
541 ><TT
542 CLASS="LITERAL"
543 >SDL_VIDEO_X11_NODIRECTCOLOR</TT
544 ></DT
545 ><DD
546 ><P
547 >If set, don't attempt to use DirectColor visuals even if they are
548 present. (SDL will use them otherwise for gamma correction).
549 This is needed with older X servers when using the XVideo extension.</P
550 ></DD
551 ><DT
552 ><TT
553 CLASS="LITERAL"
554 >SDL_VIDEO_X11_VISUALID</TT
555 ></DT
556 ><DD
557 ><P
558 >ID of an X11 visual to use, overriding SDL's default visual selection
559 algorithm. It can be in decimal or in hex (prefixed by 0x).</P
560 ></DD
561 ><DT
562 ><TT
563 CLASS="LITERAL"
564 >SDL_VIDEO_YUV_DIRECT</TT
565 ></DT
566 ><DD
567 ><P
568 >If set, display YUV overlay directly on the video surface if possible,
569 instead of on the surface passed to
570 <A
571 HREF="sdlcreateyuvoverlay.html"
572 ><TT
573 CLASS="FUNCTION"
574 >SDL_CreateYUVOverlay</TT
575 ></A
576 >.</P
577 ></DD
578 ><DT
579 ><TT
580 CLASS="LITERAL"
581 >SDL_VIDEO_YUV_HWACCEL</TT
582 ></DT
583 ><DD
584 ><P
585 >If not set or set to a nonzero value, SDL will attempt to use
586 hardware YUV acceleration for video playback.</P
587 ></DD
588 ><DT
589 ><TT
590 CLASS="LITERAL"
591 >SDL_WINDOWID</TT
592 ></DT
593 ><DD
594 ><P
595 >For X11 or Win32, contains the ID number of the window to be used by
596 SDL instead of creating its own window. Either in decimal or
597 in hex (prefixed by 0x).</P
598 ></DD
599 ></DL
600 ></DIV
601 ></DIV
602 ><DIV
603 CLASS="REFSECT1"
604 ><A
605 NAME="AEN866"
606 ></A
607 ><H2
608 >Events/Input</H2
609 ><P
610 ></P
611 ><DIV
612 CLASS="VARIABLELIST"
613 ><DL
614 ><DT
615 ><TT
616 CLASS="LITERAL"
617 >SDL_MOUSE_RELATIVE</TT
618 ></DT
619 ><DD
620 ><P
621 >If set to 0, do not use mouse relative mode in X11. The default is
622 to use it if the mouse is hidden and input is grabbed.</P
623 ></DD
624 ><DT
625 ><TT
626 CLASS="LITERAL"
627 >SDL_MOUSEDEV</TT
628 ></DT
629 ><DD
630 ><P
631 >The mouse device to use for the linux fbcon driver. If not set,
632 SDL first tries to use GPM in repeater mode, then various other
633 devices (/dev/pcaux, /dev/adbmouse, /dev/mouse etc).</P
634 ></DD
635 ><DT
636 ><TT
637 CLASS="LITERAL"
638 >SDL_MOUSEDEV_IMPS2</TT
639 ></DT
640 ><DD
641 ><P
642 >If set, SDL will not try to auto-detect the IMPS/2 protocol of
643 a PS/2 mouse but use it right away. For the fbcon and ps2gs drivers.</P
644 ></DD
645 ><DT
646 ><TT
647 CLASS="LITERAL"
648 >SDL_MOUSEDRV</TT
649 ></DT
650 ><DD
651 ><P
652 >For the linux fbcon driver: if set to ELO, use the ELO touchscreen
653 controller as a pointer device</P
654 ></DD
655 ><DT
656 ><TT
657 CLASS="LITERAL"
658 >SDL_NO_RAWKBD</TT
659 ></DT
660 ><DD
661 ><P
662 >For the libvga driver: If set, do not attempt to put the keyboard in raw mode.</P
663 ></DD
664 ><DT
665 ><TT
666 CLASS="LITERAL"
667 >SDL_NOMOUSE</TT
668 ></DT
669 ><DD
670 ><P
671 >If set, the linux fbcon driver will not use a mouse at all.</P
672 ></DD
673 ></DL
674 ></DIV
675 ></DIV
676 ><DIV
677 CLASS="REFSECT1"
678 ><A
679 NAME="AEN899"
680 ></A
681 ><H2
682 >Audio</H2
683 ><P
684 ></P
685 ><DIV
686 CLASS="VARIABLELIST"
687 ><DL
688 ><DT
689 ><TT
690 CLASS="LITERAL"
691 >AUDIODEV</TT
692 ></DT
693 ><DD
694 ><P
695 >The audio device to use, if <TT
696 CLASS="LITERAL"
697 >SDL_PATH_DSP</TT
698 > isn't set.</P
699 ></DD
700 ><DT
701 ><TT
702 CLASS="LITERAL"
703 >SDL_AUDIODRIVER</TT
704 ></DT
705 ><DD
706 ><P
707 >Selects the audio driver for SDL to use. Possible values, in the
708 order they are tried if this variable is not set:</P
709 ><DIV
710 CLASS="INFORMALTABLE"
711 ><A
712 NAME="AEN913"
713 ></A
714 ><P
715 ></P
716 ><TABLE
717 BORDER="0"
718 CLASS="CALSTABLE"
719 ><TBODY
720 ><TR
721 ><TD
722 ALIGN="LEFT"
723 VALIGN="TOP"
724 ><TT
725 CLASS="LITERAL"
726 >openbsd</TT
727 ></TD
728 ><TD
729 ALIGN="LEFT"
730 VALIGN="TOP"
731 ><P
732 >(OpenBSD)</P
733 ></TD
734 ></TR
735 ><TR
736 ><TD
737 ALIGN="LEFT"
738 VALIGN="TOP"
739 ><TT
740 CLASS="LITERAL"
741 >dsp</TT
742 ></TD
743 ><TD
744 ALIGN="LEFT"
745 VALIGN="TOP"
746 ><P
747 >(OSS /dev/dsp: Linux, Solaris, BSD etc)</P
748 ></TD
749 ></TR
750 ><TR
751 ><TD
752 ALIGN="LEFT"
753 VALIGN="TOP"
754 ><TT
755 CLASS="LITERAL"
756 >alsa</TT
757 ></TD
758 ><TD
759 ALIGN="LEFT"
760 VALIGN="TOP"
761 ><P
762 >(Linux)</P
763 ></TD
764 ></TR
765 ><TR
766 ><TD
767 ALIGN="LEFT"
768 VALIGN="TOP"
769 ><TT
770 CLASS="LITERAL"
771 >audio</TT
772 ></TD
773 ><TD
774 ALIGN="LEFT"
775 VALIGN="TOP"
776 ><P
777 >(Unix style /dev/audio: SunOS, Solaris etc)</P
778 ></TD
779 ></TR
780 ><TR
781 ><TD
782 ALIGN="LEFT"
783 VALIGN="TOP"
784 ><TT
785 CLASS="LITERAL"
786 >AL</TT
787 ></TD
788 ><TD
789 ALIGN="LEFT"
790 VALIGN="TOP"
791 ><P
792 >(Irix)</P
793 ></TD
794 ></TR
795 ><TR
796 ><TD
797 ALIGN="LEFT"
798 VALIGN="TOP"
799 ><TT
800 CLASS="LITERAL"
801 >artsc</TT
802 ></TD
803 ><TD
804 ALIGN="LEFT"
805 VALIGN="TOP"
806 ><P
807 >(ARTS audio daemon)</P
808 ></TD
809 ></TR
810 ><TR
811 ><TD
812 ALIGN="LEFT"
813 VALIGN="TOP"
814 ><TT
815 CLASS="LITERAL"
816 >esd</TT
817 ></TD
818 ><TD
819 ALIGN="LEFT"
820 VALIGN="TOP"
821 ><P
822 >(esound audio daemon)</P
823 ></TD
824 ></TR
825 ><TR
826 ><TD
827 ALIGN="LEFT"
828 VALIGN="TOP"
829 ><TT
830 CLASS="LITERAL"
831 >nas</TT
832 ></TD
833 ><TD
834 ALIGN="LEFT"
835 VALIGN="TOP"
836 ><P
837 >(NAS audio daemon)</P
838 ></TD
839 ></TR
840 ><TR
841 ><TD
842 ALIGN="LEFT"
843 VALIGN="TOP"
844 ><TT
845 CLASS="LITERAL"
846 >dma</TT
847 ></TD
848 ><TD
849 ALIGN="LEFT"
850 VALIGN="TOP"
851 ><P
852 >(OSS /dev/dsp, using DMA)</P
853 ></TD
854 ></TR
855 ><TR
856 ><TD
857 ALIGN="LEFT"
858 VALIGN="TOP"
859 ><TT
860 CLASS="LITERAL"
861 >dsound</TT
862 ></TD
863 ><TD
864 ALIGN="LEFT"
865 VALIGN="TOP"
866 ><P
867 >(Win32 DirectX)</P
868 ></TD
869 ></TR
870 ><TR
871 ><TD
872 ALIGN="LEFT"
873 VALIGN="TOP"
874 ><TT
875 CLASS="LITERAL"
876 >waveout</TT
877 ></TD
878 ><TD
879 ALIGN="LEFT"
880 VALIGN="TOP"
881 ><P
882 >(Win32 WaveOut)</P
883 ></TD
884 ></TR
885 ><TR
886 ><TD
887 ALIGN="LEFT"
888 VALIGN="TOP"
889 ><TT
890 CLASS="LITERAL"
891 >baudio</TT
892 ></TD
893 ><TD
894 ALIGN="LEFT"
895 VALIGN="TOP"
896 ><P
897 >(BeOS)</P
898 ></TD
899 ></TR
900 ><TR
901 ><TD
902 ALIGN="LEFT"
903 VALIGN="TOP"
904 ><TT
905 CLASS="LITERAL"
906 >sndmgr</TT
907 ></TD
908 ><TD
909 ALIGN="LEFT"
910 VALIGN="TOP"
911 ><P
912 >(MacOS SoundManager)</P
913 ></TD
914 ></TR
915 ><TR
916 ><TD
917 ALIGN="LEFT"
918 VALIGN="TOP"
919 ><TT
920 CLASS="LITERAL"
921 >paud</TT
922 ></TD
923 ><TD
924 ALIGN="LEFT"
925 VALIGN="TOP"
926 ><P
927 >(AIX)</P
928 ></TD
929 ></TR
930 ><TR
931 ><TD
932 ALIGN="LEFT"
933 VALIGN="TOP"
934 ><TT
935 CLASS="LITERAL"
936 >AHI</TT
937 ></TD
938 ><TD
939 ALIGN="LEFT"
940 VALIGN="TOP"
941 ><P
942 >(Amiga)</P
943 ></TD
944 ></TR
945 ><TR
946 ><TD
947 ALIGN="LEFT"
948 VALIGN="TOP"
949 ><TT
950 CLASS="LITERAL"
951 >disk</TT
952 ></TD
953 ><TD
954 ALIGN="LEFT"
955 VALIGN="TOP"
956 ><P
957 >(all; output to file)</P
958 ></TD
959 ></TR
960 ></TBODY
961 ></TABLE
962 ><P
963 ></P
964 ></DIV
965 ></DD
966 ><DT
967 ><TT
968 CLASS="LITERAL"
969 >SDL_DISKAUDIOFILE</TT
970 ></DT
971 ><DD
972 ><P
973 >The name of the output file for the "disk" audio driver. If not
974 set, the name <TT
975 CLASS="LITERAL"
976 >sdlaudio.raw</TT
977 > is used.</P
978 ></DD
979 ><DT
980 ><TT
981 CLASS="LITERAL"
982 >SDL_DISKAUDIODELAY</TT
983 ></DT
984 ><DD
985 ><P
986 >For the "disk" audio driver, how long to wait (in ms) before writing
987 a full sound buffer. The default is 150 ms.</P
988 ></DD
989 ><DT
990 ><TT
991 CLASS="LITERAL"
992 >SDL_DSP_NOSELECT</TT
993 ></DT
994 ><DD
995 ><P
996 >For some audio drivers (alsa, paud, dma and dsp), don't use select()
997 but a timed method instead. May cure some audio problems, or cause
998 others.</P
999 ></DD
1000 ><DT
1001 ><TT
1002 CLASS="LITERAL"
1003 >SDL_PATH_DSP</TT
1004 ></DT
1005 ><DD
1006 ><P
1007 >The audio device to use. If not set, SDL tries AUDIODEV and then
1008 a platform-dependent default value (/dev/audio on Solaris,
1009 /dev/dsp on Linux etc).</P
1010 ></DD
1011 ></DL
1012 ></DIV
1013 ></DIV
1014 ><DIV
1015 CLASS="REFSECT1"
1016 ><A
1017 NAME="AEN1017"
1018 ></A
1019 ><H2
1020 >CD-ROM</H2
1021 ><P
1022 ></P
1023 ><DIV
1024 CLASS="VARIABLELIST"
1025 ><DL
1026 ><DT
1027 ><TT
1028 CLASS="LITERAL"
1029 >SDL_CDROM</TT
1030 ></DT
1031 ><DD
1032 ><P
1033 >A colon-separated list of CD-ROM devices to use, in addition to
1034 the standard devices (typically /dev/cdrom, platform-dependent).</P
1035 ></DD
1036 ></DL
1037 ></DIV
1038 ></DIV
1039 ><DIV
1040 CLASS="REFSECT1"
1041 ><A
1042 NAME="AEN1025"
1043 ></A
1044 ><H2
1045 >Debugging</H2
1046 ><P
1047 ></P
1048 ><DIV
1049 CLASS="VARIABLELIST"
1050 ><DL
1051 ><DT
1052 ><TT
1053 CLASS="LITERAL"
1054 >SDL_DEBUG</TT
1055 ></DT
1056 ><DD
1057 ><P
1058 >If set, causes every call to <TT
1059 CLASS="FUNCTION"
1060 >SDL_SetError</TT
1061 > (that
1062 is, every time SDL signals an error) to also print an error message on
1063 stderr.</P
1064 ></DD
1065 ></DL
1066 ></DIV
1067 ></DIV
1068 ><DIV
1069 CLASS="REFSECT1"
1070 ><A
1071 NAME="AEN1034"
1072 ></A
1073 ><H2
1074 >Joystick</H2
1075 ><P
1076 ></P
1077 ><DIV
1078 CLASS="VARIABLELIST"
1079 ><DL
1080 ><DT
1081 ><TT
1082 CLASS="LITERAL"
1083 >SDL_JOYSTICK_DEVICE</TT
1084 ></DT
1085 ><DD
1086 ><P
1087 >Joystick device to use in the linux joystick driver, in addition
1088 to the usual: /dev/js*, /dev/input/event*, /dev/input/js*</P
1089 ></DD
1090 ><DT
1091 ><TT
1092 CLASS="LITERAL"
1093 >SDL_LINUX_JOYSTICK</TT
1094 ></DT
1095 ><DD
1096 ><P
1097 >Special joystick configuration string for linux. The format is</P
1098 ><P
1099 >"<TT
1100 CLASS="PARAMETER"
1101 ><I
1102 >name</I
1103 ></TT
1104 > <TT
1105 CLASS="PARAMETER"
1106 ><I
1107 >numaxes</I
1108 ></TT
1109 > <TT
1110 CLASS="PARAMETER"
1111 ><I
1112 >numhats</I
1113 ></TT
1114 > <TT
1115 CLASS="PARAMETER"
1116 ><I
1117 >numballs</I
1118 ></TT
1119 >"</P
1120 ><P
1121 >where <TT
1122 CLASS="PARAMETER"
1123 ><I
1124 >name</I
1125 ></TT
1126 > is the name string of the joystick
1127 (possibly in single quotes), and the rest are the number of axes, hats
1128 and balls respectively.</P
1129 ></DD
1130 ></DL
1131 ></DIV
1132 ></DIV
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