Mercurial > sdl-ios-xcode
annotate docs/html/sdljoystickeventstate.html @ 4106:12bb6311fd5d SDL-1.2
Hans de Goede fixed bug #495
When running boswars: http://www.boswars.org/ on a machine with intel
integrathed graphics it crashes when it tries to play the initial theora
splashscreen video:
X Error of failed request: BadAlloc (insufficient resources for operation)
Major opcode of failed request: 140 (XVideo)
Minor opcode of failed request: 19 ()
Serial number of failed request: 25
Current serial number in output stream: 26
boswars: xcb_xlib.c:41: xcb_xlib_lock: Assertion `!c->xlib.lock' failed.
Aborted
I recognized this problem from a few years back, when I encountered it while
working on the Xv blitter for xmame. The problem is that for some reason
creation the Xvport and XvImage succeeds, and failure (lack of resources / hw
capability?) is only indicated during the first XvPut[Shm]Image. I've written a
patch for SDL using the work around for this I developed for xmame (and which
is still used successfully in xmame after many years of usage).
I'll admit it isn't very pretty, but after investigating several possibilities
this was the best option, any other fixes would need changes to the SDL api and
abi.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 29 Dec 2007 02:23:48 +0000 |
parents | 355632dca928 |
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rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_JoystickEventState</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
0 | 8 "><LINK |
9 REL="HOME" | |
10 TITLE="SDL Library Documentation" | |
11 HREF="index.html"><LINK | |
12 REL="UP" | |
13 TITLE="Event Functions." | |
14 HREF="eventfunctions.html"><LINK | |
15 REL="PREVIOUS" | |
16 TITLE="SDL_GetAppState" | |
17 HREF="sdlgetappstate.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="Joystick" | |
20 HREF="joystick.html"></HEAD | |
21 ><BODY | |
22 CLASS="REFENTRY" | |
23 BGCOLOR="#FFF8DC" | |
24 TEXT="#000000" | |
25 LINK="#0000ee" | |
26 VLINK="#551a8b" | |
27 ALINK="#ff0000" | |
28 ><DIV | |
29 CLASS="NAVHEADER" | |
30 ><TABLE | |
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31 SUMMARY="Header navigation table" |
0 | 32 WIDTH="100%" |
33 BORDER="0" | |
34 CELLPADDING="0" | |
35 CELLSPACING="0" | |
36 ><TR | |
37 ><TH | |
38 COLSPAN="3" | |
39 ALIGN="center" | |
40 >SDL Library Documentation</TH | |
41 ></TR | |
42 ><TR | |
43 ><TD | |
44 WIDTH="10%" | |
45 ALIGN="left" | |
46 VALIGN="bottom" | |
47 ><A | |
48 HREF="sdlgetappstate.html" | |
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49 ACCESSKEY="P" |
0 | 50 >Prev</A |
51 ></TD | |
52 ><TD | |
53 WIDTH="80%" | |
54 ALIGN="center" | |
55 VALIGN="bottom" | |
56 ></TD | |
57 ><TD | |
58 WIDTH="10%" | |
59 ALIGN="right" | |
60 VALIGN="bottom" | |
61 ><A | |
62 HREF="joystick.html" | |
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63 ACCESSKEY="N" |
0 | 64 >Next</A |
65 ></TD | |
66 ></TR | |
67 ></TABLE | |
68 ><HR | |
69 ALIGN="LEFT" | |
70 WIDTH="100%"></DIV | |
71 ><H1 | |
72 ><A | |
73 NAME="SDLJOYSTICKEVENTSTATE" | |
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74 ></A |
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75 >SDL_JoystickEventState</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN5969" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_JoystickEventState -- Enable/disable joystick event polling</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN5972" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN5973" |
0 | 95 ></A |
96 ><P | |
97 ></P | |
98 ><PRE | |
99 CLASS="FUNCSYNOPSISINFO" | |
100 >#include "SDL.h"</PRE | |
101 ><P | |
102 ><CODE | |
103 ><CODE | |
104 CLASS="FUNCDEF" | |
105 >int <B | |
106 CLASS="FSFUNC" | |
107 >SDL_JoystickEventState</B | |
108 ></CODE | |
109 >(int state);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
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118 NAME="AEN5979" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
123 >This function is used to enable or disable joystick event processing. With joystick event processing disabled you will have to update joystick states with <A | |
124 HREF="sdljoystickupdate.html" | |
125 ><TT | |
126 CLASS="FUNCTION" | |
127 >SDL_JoystickUpdate</TT | |
128 ></A | |
129 > and read the joystick information manually. <TT | |
130 CLASS="PARAMETER" | |
131 ><I | |
132 >state</I | |
133 ></TT | |
134 > is either <TT | |
135 CLASS="LITERAL" | |
136 >SDL_QUERY</TT | |
137 >, <TT | |
138 CLASS="LITERAL" | |
139 >SDL_ENABLE</TT | |
140 > or <TT | |
141 CLASS="LITERAL" | |
142 >SDL_IGNORE</TT | |
143 >.</P | |
144 ><DIV | |
145 CLASS="NOTE" | |
146 ><BLOCKQUOTE | |
147 CLASS="NOTE" | |
148 ><P | |
149 ><B | |
150 >Note: </B | |
151 >Joystick event handling is prefered</P | |
152 ></BLOCKQUOTE | |
153 ></DIV | |
154 ></DIV | |
155 ><DIV | |
156 CLASS="REFSECT1" | |
157 ><A | |
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158 NAME="AEN5990" |
0 | 159 ></A |
160 ><H2 | |
161 >Return Value</H2 | |
162 ><P | |
163 >If <TT | |
164 CLASS="PARAMETER" | |
165 ><I | |
166 >state</I | |
167 ></TT | |
168 > is <TT | |
169 CLASS="LITERAL" | |
170 >SDL_QUERY</TT | |
171 > then the current state is returned, otherwise the new processing <TT | |
172 CLASS="PARAMETER" | |
173 ><I | |
174 >state</I | |
175 ></TT | |
176 > is returned.</P | |
177 ></DIV | |
178 ><DIV | |
179 CLASS="REFSECT1" | |
180 ><A | |
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181 NAME="AEN5996" |
0 | 182 ></A |
183 ><H2 | |
184 >See Also</H2 | |
185 ><P | |
186 ><A | |
187 HREF="joystick.html" | |
188 >SDL Joystick Functions</A | |
189 >, | |
190 <A | |
191 HREF="sdljoystickupdate.html" | |
192 ><TT | |
193 CLASS="FUNCTION" | |
194 >SDL_JoystickUpdate</TT | |
195 ></A | |
196 >, | |
197 <A | |
198 HREF="sdljoyaxisevent.html" | |
199 ><SPAN | |
200 CLASS="STRUCTNAME" | |
201 >SDL_JoyAxisEvent</SPAN | |
202 ></A | |
203 >, | |
204 <A | |
205 HREF="sdljoyballevent.html" | |
206 ><SPAN | |
207 CLASS="STRUCTNAME" | |
208 >SDL_JoyBallEvent</SPAN | |
209 ></A | |
210 >, | |
211 <A | |
212 HREF="sdljoybuttonevent.html" | |
213 ><SPAN | |
214 CLASS="STRUCTNAME" | |
215 >SDL_JoyButtonEvent</SPAN | |
216 ></A | |
217 >, | |
218 <A | |
219 HREF="sdljoyhatevent.html" | |
220 ><SPAN | |
221 CLASS="STRUCTNAME" | |
222 >SDL_JoyHatEvent</SPAN | |
223 ></A | |
224 ></P | |
225 ></DIV | |
226 ><DIV | |
227 CLASS="NAVFOOTER" | |
228 ><HR | |
229 ALIGN="LEFT" | |
230 WIDTH="100%"><TABLE | |
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231 SUMMARY="Footer navigation table" |
0 | 232 WIDTH="100%" |
233 BORDER="0" | |
234 CELLPADDING="0" | |
235 CELLSPACING="0" | |
236 ><TR | |
237 ><TD | |
238 WIDTH="33%" | |
239 ALIGN="left" | |
240 VALIGN="top" | |
241 ><A | |
242 HREF="sdlgetappstate.html" | |
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243 ACCESSKEY="P" |
0 | 244 >Prev</A |
245 ></TD | |
246 ><TD | |
247 WIDTH="34%" | |
248 ALIGN="center" | |
249 VALIGN="top" | |
250 ><A | |
251 HREF="index.html" | |
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252 ACCESSKEY="H" |
0 | 253 >Home</A |
254 ></TD | |
255 ><TD | |
256 WIDTH="33%" | |
257 ALIGN="right" | |
258 VALIGN="top" | |
259 ><A | |
260 HREF="joystick.html" | |
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261 ACCESSKEY="N" |
0 | 262 >Next</A |
263 ></TD | |
264 ></TR | |
265 ><TR | |
266 ><TD | |
267 WIDTH="33%" | |
268 ALIGN="left" | |
269 VALIGN="top" | |
270 >SDL_GetAppState</TD | |
271 ><TD | |
272 WIDTH="34%" | |
273 ALIGN="center" | |
274 VALIGN="top" | |
275 ><A | |
276 HREF="eventfunctions.html" | |
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277 ACCESSKEY="U" |
0 | 278 >Up</A |
279 ></TD | |
280 ><TD | |
281 WIDTH="33%" | |
282 ALIGN="right" | |
283 VALIGN="top" | |
284 >Joystick</TD | |
285 ></TR | |
286 ></TABLE | |
287 ></DIV | |
288 ></BODY | |
289 ></HTML | |
290 > |