Mercurial > sdl-ios-xcode
annotate docs/html/sdlglgetattribute.html @ 3958:85b6fb6a5e3c SDL-1.2
Actually, this is a better fix...clear the error state once if everything we
need loaded; it's more efficient, and works even if the last unnecessary
xrandr symbol failed to load. Otherwise, leave the original loadso error, so
the end user can find out what symbol failed.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Wed, 13 Jun 2007 08:00:10 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_GL_GetAttribute</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="Video" | |
| 14 HREF="video.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_GL_GetProcAddress" | |
| 17 HREF="sdlglgetprocaddress.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_GL_SetAttribute" | |
| 20 HREF="sdlglsetattribute.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="sdlglgetprocaddress.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="sdlglsetattribute.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="SDLGLGETATTRIBUTE" | |
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74 ></A |
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75 >SDL_GL_GetAttribute</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN2708" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_GL_GetAttribute -- Get the value of a special SDL/OpenGL attribute</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSYNOPSISDIV" | |
| 86 ><A | |
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87 NAME="AEN2711" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Synopsis</H2 | |
| 91 ><DIV | |
| 92 CLASS="FUNCSYNOPSIS" | |
| 93 ><A | |
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94 NAME="AEN2712" |
| 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_GL_GetAttribute</B | |
| 108 ></CODE | |
| 109 >(SDLGLattr attr, int *value);</CODE | |
| 110 ></P | |
| 111 ><P | |
| 112 ></P | |
| 113 ></DIV | |
| 114 ></DIV | |
| 115 ><DIV | |
| 116 CLASS="REFSECT1" | |
| 117 ><A | |
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118 NAME="AEN2718" |
| 0 | 119 ></A |
| 120 ><H2 | |
| 121 >Description</H2 | |
| 122 ><P | |
| 123 >Places the value of the SDL/OpenGL <A | |
| 124 HREF="sdlglattr.html" | |
| 125 >attribute</A | |
| 126 > <TT | |
| 127 CLASS="PARAMETER" | |
| 128 ><I | |
| 129 >attr</I | |
| 130 ></TT | |
| 131 > into <TT | |
| 132 CLASS="PARAMETER" | |
| 133 ><I | |
| 134 >value</I | |
| 135 ></TT | |
| 136 >. This is useful after a call to <A | |
| 137 HREF="sdlsetvideomode.html" | |
| 138 ><TT | |
| 139 CLASS="FUNCTION" | |
| 140 >SDL_SetVideoMode</TT | |
| 141 ></A | |
| 142 > to check whether your attributes have been <A | |
| 143 HREF="sdlglsetattribute.html" | |
| 144 >set</A | |
| 145 > as you expected.</P | |
| 146 ></DIV | |
| 147 ><DIV | |
| 148 CLASS="REFSECT1" | |
| 149 ><A | |
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150 NAME="AEN2727" |
| 0 | 151 ></A |
| 152 ><H2 | |
| 153 >Return Value</H2 | |
| 154 ><P | |
| 155 >Returns <SPAN | |
| 156 CLASS="RETURNVALUE" | |
| 157 >0</SPAN | |
| 158 > on success, or <SPAN | |
| 159 CLASS="RETURNVALUE" | |
| 160 >-1</SPAN | |
| 161 > on an error.</P | |
| 162 ></DIV | |
| 163 ><DIV | |
| 164 CLASS="REFSECT1" | |
| 165 ><A | |
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166 NAME="AEN2732" |
| 0 | 167 ></A |
| 168 ><H2 | |
| 169 >See Also</H2 | |
| 170 ><P | |
| 171 ><A | |
| 172 HREF="sdlglsetattribute.html" | |
| 173 ><TT | |
| 174 CLASS="FUNCTION" | |
| 175 >SDL_GL_SetAttribute</TT | |
| 176 ></A | |
| 177 >, | |
| 178 <A | |
| 179 HREF="sdlglattr.html" | |
| 180 >GL Attributes</A | |
| 181 ></P | |
| 182 ></DIV | |
| 183 ><DIV | |
| 184 CLASS="NAVFOOTER" | |
| 185 ><HR | |
| 186 ALIGN="LEFT" | |
| 187 WIDTH="100%"><TABLE | |
|
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188 SUMMARY="Footer navigation table" |
| 0 | 189 WIDTH="100%" |
| 190 BORDER="0" | |
| 191 CELLPADDING="0" | |
| 192 CELLSPACING="0" | |
| 193 ><TR | |
| 194 ><TD | |
| 195 WIDTH="33%" | |
| 196 ALIGN="left" | |
| 197 VALIGN="top" | |
| 198 ><A | |
| 199 HREF="sdlglgetprocaddress.html" | |
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parents:
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200 ACCESSKEY="P" |
| 0 | 201 >Prev</A |
| 202 ></TD | |
| 203 ><TD | |
| 204 WIDTH="34%" | |
| 205 ALIGN="center" | |
| 206 VALIGN="top" | |
| 207 ><A | |
| 208 HREF="index.html" | |
|
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parents:
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209 ACCESSKEY="H" |
| 0 | 210 >Home</A |
| 211 ></TD | |
| 212 ><TD | |
| 213 WIDTH="33%" | |
| 214 ALIGN="right" | |
| 215 VALIGN="top" | |
| 216 ><A | |
| 217 HREF="sdlglsetattribute.html" | |
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218 ACCESSKEY="N" |
| 0 | 219 >Next</A |
| 220 ></TD | |
| 221 ></TR | |
| 222 ><TR | |
| 223 ><TD | |
| 224 WIDTH="33%" | |
| 225 ALIGN="left" | |
| 226 VALIGN="top" | |
| 227 >SDL_GL_GetProcAddress</TD | |
| 228 ><TD | |
| 229 WIDTH="34%" | |
| 230 ALIGN="center" | |
| 231 VALIGN="top" | |
| 232 ><A | |
| 233 HREF="video.html" | |
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parents:
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234 ACCESSKEY="U" |
| 0 | 235 >Up</A |
| 236 ></TD | |
| 237 ><TD | |
| 238 WIDTH="33%" | |
| 239 ALIGN="right" | |
| 240 VALIGN="top" | |
| 241 >SDL_GL_SetAttribute</TD | |
| 242 ></TR | |
| 243 ></TABLE | |
| 244 ></DIV | |
| 245 ></BODY | |
| 246 ></HTML | |
| 247 > |