Mercurial > sdl-ios-xcode
annotate docs/html/sdljoystickgethat.html @ 3100:7dc982143c06
Date: Sun, 22 Mar 2009 12:52:29 +0000
From: Luke Benstead
Subject: OpenGL 3.0 Context Creation
I've attached a patch which implements OpenGL 3.x context creation on
the latest SVN. I've added two options to SDL_GL_SetAttribute, these
are SDL_GL_CONTEXT_MAJOR_VERSION and SDL_GL_CONTEXT_MINOR_VERSION.
These default to 2 and 1 respectively. If the major version is less
than 3 then the current context creation method is used, otherwise the
appropriate new context creation function is called (depending on the
platform).
Sample code:
if (SDL_Init(SDL_INIT_VIDEO) != 0) {
printf("Unable to initialize SDL: %s\n", SDL_GetError());
return 1;
}
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); //Without these 2 lines, SDL will create a GL 2.x context
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_Surface* screen = SDL_SetVideoMode( 640, 480, 16, SDL_OPENGL | SDL_FULLSCREEN );
I've implemented context creation on both Win32 and X and run basic
tests on both. This patch doesn't provide access to all the options
allowed by the new context creation (e.g. shared contexts, forward
compatible contexts) but they can be added pretty easily.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 24 Mar 2009 10:43:53 +0000 |
parents | 355632dca928 |
children |
rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_JoystickGetHat</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="Joystick" | |
14 HREF="joystick.html"><LINK | |
15 REL="PREVIOUS" | |
16 TITLE="SDL_JoystickGetAxis" | |
17 HREF="sdljoystickgetaxis.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_JoystickGetButton" | |
20 HREF="sdljoystickgetbutton.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="sdljoystickgetaxis.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="sdljoystickgetbutton.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="SDLJOYSTICKGETHAT" | |
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74 ></A |
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75 >SDL_JoystickGetHat</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN6358" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_JoystickGetHat -- Get the current state of a joystick hat</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN6361" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN6362" |
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 >Uint8 <B | |
106 CLASS="FSFUNC" | |
107 >SDL_JoystickGetHat</B | |
108 ></CODE | |
109 >(SDL_Joystick *joystick, int hat);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
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118 NAME="AEN6368" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
123 >SDL_JoystickGetHat returns the current state of the given <TT | |
124 CLASS="PARAMETER" | |
125 ><I | |
126 >hat</I | |
127 ></TT | |
128 > on the given <TT | |
129 CLASS="PARAMETER" | |
130 ><I | |
131 >joystick</I | |
132 ></TT | |
133 >.</P | |
134 ></DIV | |
135 ><DIV | |
136 CLASS="REFSECT1" | |
137 ><A | |
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138 NAME="AEN6373" |
0 | 139 ></A |
140 ><H2 | |
141 >Return Value</H2 | |
142 ><P | |
143 >The current state is returned as a Uint8 which is defined as an OR'd combination of one or more of the following</P | |
144 ><P | |
145 ></P | |
146 ><TABLE | |
147 BORDER="0" | |
148 ><TBODY | |
149 ><TR | |
150 ><TD | |
151 ><TT | |
152 CLASS="LITERAL" | |
153 >SDL_HAT_CENTERED</TT | |
154 ></TD | |
155 ></TR | |
156 ><TR | |
157 ><TD | |
158 ><TT | |
159 CLASS="LITERAL" | |
160 >SDL_HAT_UP</TT | |
161 ></TD | |
162 ></TR | |
163 ><TR | |
164 ><TD | |
165 ><TT | |
166 CLASS="LITERAL" | |
167 >SDL_HAT_RIGHT</TT | |
168 ></TD | |
169 ></TR | |
170 ><TR | |
171 ><TD | |
172 ><TT | |
173 CLASS="LITERAL" | |
174 >SDL_HAT_DOWN</TT | |
175 ></TD | |
176 ></TR | |
177 ><TR | |
178 ><TD | |
179 ><TT | |
180 CLASS="LITERAL" | |
181 >SDL_HAT_LEFT</TT | |
182 ></TD | |
183 ></TR | |
184 ><TR | |
185 ><TD | |
186 ><TT | |
187 CLASS="LITERAL" | |
188 >SDL_HAT_RIGHTUP</TT | |
189 ></TD | |
190 ></TR | |
191 ><TR | |
192 ><TD | |
193 ><TT | |
194 CLASS="LITERAL" | |
195 >SDL_HAT_RIGHTDOWN</TT | |
196 ></TD | |
197 ></TR | |
198 ><TR | |
199 ><TD | |
200 ><TT | |
201 CLASS="LITERAL" | |
202 >SDL_HAT_LEFTUP</TT | |
203 ></TD | |
204 ></TR | |
205 ><TR | |
206 ><TD | |
207 ><TT | |
208 CLASS="LITERAL" | |
209 >SDL_HAT_LEFTDOWN</TT | |
210 ></TD | |
211 ></TR | |
212 ></TBODY | |
213 ></TABLE | |
214 ><P | |
215 ></P | |
216 ></DIV | |
217 ><DIV | |
218 CLASS="REFSECT1" | |
219 ><A | |
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220 NAME="AEN6395" |
0 | 221 ></A |
222 ><H2 | |
223 >See Also</H2 | |
224 ><P | |
225 ><A | |
226 HREF="sdljoysticknumhats.html" | |
227 ><TT | |
228 CLASS="FUNCTION" | |
229 >SDL_JoystickNumHats</TT | |
230 ></A | |
231 ></P | |
232 ></DIV | |
233 ><DIV | |
234 CLASS="NAVFOOTER" | |
235 ><HR | |
236 ALIGN="LEFT" | |
237 WIDTH="100%"><TABLE | |
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238 SUMMARY="Footer navigation table" |
0 | 239 WIDTH="100%" |
240 BORDER="0" | |
241 CELLPADDING="0" | |
242 CELLSPACING="0" | |
243 ><TR | |
244 ><TD | |
245 WIDTH="33%" | |
246 ALIGN="left" | |
247 VALIGN="top" | |
248 ><A | |
249 HREF="sdljoystickgetaxis.html" | |
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250 ACCESSKEY="P" |
0 | 251 >Prev</A |
252 ></TD | |
253 ><TD | |
254 WIDTH="34%" | |
255 ALIGN="center" | |
256 VALIGN="top" | |
257 ><A | |
258 HREF="index.html" | |
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259 ACCESSKEY="H" |
0 | 260 >Home</A |
261 ></TD | |
262 ><TD | |
263 WIDTH="33%" | |
264 ALIGN="right" | |
265 VALIGN="top" | |
266 ><A | |
267 HREF="sdljoystickgetbutton.html" | |
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268 ACCESSKEY="N" |
0 | 269 >Next</A |
270 ></TD | |
271 ></TR | |
272 ><TR | |
273 ><TD | |
274 WIDTH="33%" | |
275 ALIGN="left" | |
276 VALIGN="top" | |
277 >SDL_JoystickGetAxis</TD | |
278 ><TD | |
279 WIDTH="34%" | |
280 ALIGN="center" | |
281 VALIGN="top" | |
282 ><A | |
283 HREF="joystick.html" | |
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284 ACCESSKEY="U" |
0 | 285 >Up</A |
286 ></TD | |
287 ><TD | |
288 WIDTH="33%" | |
289 ALIGN="right" | |
290 VALIGN="top" | |
291 >SDL_JoystickGetButton</TD | |
292 ></TR | |
293 ></TABLE | |
294 ></DIV | |
295 ></BODY | |
296 ></HTML | |
297 > |