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Sam Lantinga 2001-04-26 16:45:43 +00:00
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<HTML
><HEAD
><TITLE
>SDL_GL_GetAttribute</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.61
"><LINK
REL="HOME"
TITLE="SDL Library Documentation"
HREF="index.html"><LINK
REL="UP"
TITLE="Video"
HREF="video.html"><LINK
REL="PREVIOUS"
TITLE="SDL_GL_GetProcAddress"
HREF="sdlglgetprocaddress.html"><LINK
REL="NEXT"
TITLE="SDL_GL_SetAttribute"
HREF="sdlglsetattribute.html"></HEAD
><BODY
CLASS="REFENTRY"
BGCOLOR="#FFF8DC"
TEXT="#000000"
LINK="#0000ee"
VLINK="#551a8b"
ALINK="#ff0000"
><DIV
CLASS="NAVHEADER"
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>SDL Library Documentation</TH
></TR
><TR
><TD
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ALIGN="left"
VALIGN="bottom"
><A
HREF="sdlglgetprocaddress.html"
>Prev</A
></TD
><TD
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></TD
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VALIGN="bottom"
><A
HREF="sdlglsetattribute.html"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="SDLGLGETATTRIBUTE"
>SDL_GL_GetAttribute</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN2210"
></A
><H2
>Name</H2
>SDL_GL_GetAttribute&nbsp;--&nbsp;Get the value of a special SDL/OpenGL attribute</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN2213"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN2214"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="FSFUNC"
>SDL_GL_GetAttribute</B
></CODE
>(SDLGLattr attr, int *value);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN2220"
></A
><H2
>Description</H2
><P
>Places the value of the SDL/OpenGL <A
HREF="sdlglattr.html"
>attribute</A
> <TT
CLASS="PARAMETER"
><I
>attr</I
></TT
> into <TT
CLASS="PARAMETER"
><I
>value</I
></TT
>. This is useful after a call to <A
HREF="sdlsetvideomode.html"
><TT
CLASS="FUNCTION"
>SDL_SetVideoMode</TT
></A
> to check whether your attributes have been <A
HREF="sdlglsetattribute.html"
>set</A
> as you expected.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN2229"
></A
><H2
>Return Value</H2
><P
>Returns <SPAN
CLASS="RETURNVALUE"
>0</SPAN
> on success, or <SPAN
CLASS="RETURNVALUE"
>-1</SPAN
> on an error.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN2234"
></A
><H2
>See Also</H2
><P
><A
HREF="sdlglsetattribute.html"
><TT
CLASS="FUNCTION"
>SDL_GL_SetAttribute</TT
></A
>,
<A
HREF="sdlglattr.html"
>GL Attributes</A
></P
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="sdlglgetprocaddress.html"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="sdlglsetattribute.html"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>SDL_GL_GetProcAddress</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="video.html"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>SDL_GL_SetAttribute</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>