Mercurial > sdl-ios-xcode
annotate docs/html/sdlinitsubsystem.html @ 759:26ac9609211f
From: Thomas Jarosch
To: Ryan C. Gordon
Subject: SDL: DirectFB videodriver segfault
Date: Sun, 21 Dec 2003 20:40:14 +0100
Hi Ryan,
attached is a patch to fix a segfault in DirectFB_VideoQuit.
When SetVideoMode never gets called (f.e. wrong command line arguments
for "testsprite"), this->screen->hwdata is NULL.
Cheers,
Thomas
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Mon, 22 Dec 2003 01:21:20 +0000 |
| parents | 55f1f1b3e27d |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_InitSubSystem</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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55f1f1b3e27d
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parents:
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changeset
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
| 0 | 8 "><LINK |
| 9 REL="HOME" | |
| 10 TITLE="SDL Library Documentation" | |
| 11 HREF="index.html"><LINK | |
| 12 REL="UP" | |
| 13 TITLE="General" | |
| 14 HREF="general.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_Init" | |
| 17 HREF="sdlinit.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_QuitSubSystem" | |
| 20 HREF="sdlquitsubsystem.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 | |
| 31 WIDTH="100%" | |
| 32 BORDER="0" | |
| 33 CELLPADDING="0" | |
| 34 CELLSPACING="0" | |
| 35 ><TR | |
| 36 ><TH | |
| 37 COLSPAN="3" | |
| 38 ALIGN="center" | |
| 39 >SDL Library Documentation</TH | |
| 40 ></TR | |
| 41 ><TR | |
| 42 ><TD | |
| 43 WIDTH="10%" | |
| 44 ALIGN="left" | |
| 45 VALIGN="bottom" | |
| 46 ><A | |
| 47 HREF="sdlinit.html" | |
| 48 >Prev</A | |
| 49 ></TD | |
| 50 ><TD | |
| 51 WIDTH="80%" | |
| 52 ALIGN="center" | |
| 53 VALIGN="bottom" | |
| 54 ></TD | |
| 55 ><TD | |
| 56 WIDTH="10%" | |
| 57 ALIGN="right" | |
| 58 VALIGN="bottom" | |
| 59 ><A | |
| 60 HREF="sdlquitsubsystem.html" | |
| 61 >Next</A | |
| 62 ></TD | |
| 63 ></TR | |
| 64 ></TABLE | |
| 65 ><HR | |
| 66 ALIGN="LEFT" | |
| 67 WIDTH="100%"></DIV | |
| 68 ><H1 | |
| 69 ><A | |
| 70 NAME="SDLINITSUBSYSTEM" | |
| 71 >SDL_InitSubSystem</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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parents:
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76 NAME="AEN510" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_InitSubSystem -- Initialize subsystems</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
|
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parents:
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84 NAME="AEN513" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
|
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parents:
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diff
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91 NAME="AEN514" |
| 0 | 92 ></A |
| 93 ><P | |
| 94 ></P | |
| 95 ><PRE | |
| 96 CLASS="FUNCSYNOPSISINFO" | |
| 97 >#include "SDL.h"</PRE | |
| 98 ><P | |
| 99 ><CODE | |
| 100 ><CODE | |
| 101 CLASS="FUNCDEF" | |
| 102 >int <B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_InitSubSystem</B | |
| 105 ></CODE | |
| 106 >(Uint32 flags);</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
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55f1f1b3e27d
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Sam Lantinga <slouken@lokigames.com>
parents:
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diff
changeset
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115 NAME="AEN520" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 >After SDL has been initialized with <A | |
| 121 HREF="sdlinit.html" | |
| 122 ><TT | |
| 123 CLASS="FUNCTION" | |
| 124 >SDL_Init</TT | |
| 125 ></A | |
| 126 > you may initialize uninitialized subsystems with <TT | |
| 127 CLASS="FUNCTION" | |
| 128 >SDL_InitSubSystem</TT | |
| 129 >. The <TT | |
| 130 CLASS="PARAMETER" | |
| 131 ><I | |
| 132 >flags</I | |
| 133 ></TT | |
| 134 > parameter is the same as that used in <A | |
| 135 HREF="sdlinit.html" | |
| 136 ><TT | |
| 137 CLASS="FUNCTION" | |
| 138 >SDL_Init</TT | |
| 139 ></A | |
| 140 >.</P | |
| 141 ></DIV | |
| 142 ><DIV | |
| 143 CLASS="REFSECT1" | |
| 144 ><A | |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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145 NAME="AEN529" |
| 0 | 146 ></A |
| 147 ><H2 | |
| 148 >Examples</H2 | |
| 149 ><PRE | |
| 150 CLASS="PROGRAMLISTING" | |
| 151 >/* Seperating Joystick and Video initialization. */ | |
| 152 SDL_Init(SDL_INIT_VIDEO); | |
| 153 . | |
| 154 . | |
| 155 SDL_SetVideoMode(640, 480, 16, SDL_DOUBLEBUF|SDL_FULLSCREEN); | |
| 156 . | |
| 157 /* Do Some Video stuff */ | |
| 158 . | |
| 159 . | |
| 160 /* Initialize the joystick subsystem */ | |
| 161 SDL_InitSubSystem(SDL_INIT_JOYSTICK); | |
| 162 | |
| 163 /* Do some stuff with video and joystick */ | |
| 164 . | |
| 165 . | |
| 166 . | |
| 167 /* Shut them both down */ | |
| 168 SDL_Quit();</PRE | |
| 169 ></DIV | |
| 170 ><DIV | |
| 171 CLASS="REFSECT1" | |
| 172 ><A | |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
173 NAME="AEN532" |
| 0 | 174 ></A |
| 175 ><H2 | |
| 176 >Return Value</H2 | |
| 177 ><P | |
| 178 >Returns <SPAN | |
| 179 CLASS="RETURNVALUE" | |
| 180 >-1</SPAN | |
| 181 > on an error or <SPAN | |
| 182 CLASS="RETURNVALUE" | |
| 183 >0</SPAN | |
| 184 > on success.</P | |
| 185 ></DIV | |
| 186 ><DIV | |
| 187 CLASS="REFSECT1" | |
| 188 ><A | |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
189 NAME="AEN537" |
| 0 | 190 ></A |
| 191 ><H2 | |
| 192 >See Also</H2 | |
| 193 ><P | |
| 194 ><A | |
| 195 HREF="sdlinit.html" | |
| 196 ><TT | |
| 197 CLASS="FUNCTION" | |
| 198 >SDL_Init</TT | |
| 199 ></A | |
| 200 >, | |
| 201 <A | |
| 202 HREF="sdlquit.html" | |
| 203 ><TT | |
| 204 CLASS="FUNCTION" | |
| 205 >SDL_Quit</TT | |
| 206 ></A | |
| 207 >, | |
| 208 <A | |
| 209 HREF="sdlquitsubsystem.html" | |
| 210 ><TT | |
| 211 CLASS="FUNCTION" | |
| 212 >SDL_QuitSubSystem</TT | |
| 213 ></A | |
| 214 ></P | |
| 215 ></DIV | |
| 216 ><DIV | |
| 217 CLASS="NAVFOOTER" | |
| 218 ><HR | |
| 219 ALIGN="LEFT" | |
| 220 WIDTH="100%"><TABLE | |
| 221 WIDTH="100%" | |
| 222 BORDER="0" | |
| 223 CELLPADDING="0" | |
| 224 CELLSPACING="0" | |
| 225 ><TR | |
| 226 ><TD | |
| 227 WIDTH="33%" | |
| 228 ALIGN="left" | |
| 229 VALIGN="top" | |
| 230 ><A | |
| 231 HREF="sdlinit.html" | |
| 232 >Prev</A | |
| 233 ></TD | |
| 234 ><TD | |
| 235 WIDTH="34%" | |
| 236 ALIGN="center" | |
| 237 VALIGN="top" | |
| 238 ><A | |
| 239 HREF="index.html" | |
| 240 >Home</A | |
| 241 ></TD | |
| 242 ><TD | |
| 243 WIDTH="33%" | |
| 244 ALIGN="right" | |
| 245 VALIGN="top" | |
| 246 ><A | |
| 247 HREF="sdlquitsubsystem.html" | |
| 248 >Next</A | |
| 249 ></TD | |
| 250 ></TR | |
| 251 ><TR | |
| 252 ><TD | |
| 253 WIDTH="33%" | |
| 254 ALIGN="left" | |
| 255 VALIGN="top" | |
| 256 >SDL_Init</TD | |
| 257 ><TD | |
| 258 WIDTH="34%" | |
| 259 ALIGN="center" | |
| 260 VALIGN="top" | |
| 261 ><A | |
| 262 HREF="general.html" | |
| 263 >Up</A | |
| 264 ></TD | |
| 265 ><TD | |
| 266 WIDTH="33%" | |
| 267 ALIGN="right" | |
| 268 VALIGN="top" | |
| 269 >SDL_QuitSubSystem</TD | |
| 270 ></TR | |
| 271 ></TABLE | |
| 272 ></DIV | |
| 273 ></BODY | |
| 274 ></HTML | |
| 275 > |