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><H1
><A
NAME="SDLGLGETATTRIBUTE"
>SDL_GL_GetAttribute</A
></H1
><DIV
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><H2
>Name</H2
>SDL_GL_GetAttribute&nbsp;--&nbsp;Get the value of a special SDL/OpenGL attribute</DIV
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>Synopsis</H2
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><PRE
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>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="FSFUNC"
>SDL_GL_GetAttribute</B
></CODE
>(SDLGLattr attr, int *value);</CODE
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><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
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> to check whether your attributes have been <A
HREF="sdlglsetattribute.html"
>set</A
> as you expected.</P
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><H2
>Return Value</H2
><P
>Returns <SPAN
CLASS="RETURNVALUE"
>0</SPAN
> on success, or <SPAN
CLASS="RETURNVALUE"
>-1</SPAN
> on an error.</P
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><H2
>See Also</H2
><P
><A
HREF="sdlglsetattribute.html"
><TT
CLASS="FUNCTION"
>SDL_GL_SetAttribute</TT
></A
>,
<A
HREF="sdlglattr.html"
>GL Attributes</A
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author	Sam Lantinga <slouken@libsdl.org>
date	Sat, 01 Feb 2003 18:58:42 +0000
parents	e5bc29de3f0a
children	355632dca928