Mercurial > sdl-ios-xcode
view docs/html/sdlglloadlibrary.html @ 3164:c5b2884c26b4
Added an ifdef so that if you
#define SDL_NO_COMPAT
before you include SDL.h then SDL_compat.h will never be included in your code.
This is useful for making sure that your code uses only SDL 1.3 features.
It is also handy for finding things that are in SDL_compat.h that belong elsewhere.
author | Bob Pendleton <bob@pendleton.com> |
---|---|
date | Thu, 04 Jun 2009 21:00:45 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_GL_LoadLibrary</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="Video" HREF="video.html"><LINK REL="PREVIOUS" TITLE="SDL_ShowCursor" HREF="sdlshowcursor.html"><LINK REL="NEXT" TITLE="SDL_GL_GetProcAddress" HREF="sdlglgetprocaddress.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >SDL Library Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="sdlshowcursor.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlglgetprocaddress.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLGLLOADLIBRARY" ></A >SDL_GL_LoadLibrary</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN2648" ></A ><H2 >Name</H2 >SDL_GL_LoadLibrary -- Specify an OpenGL library</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN2651" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN2652" ></A ><P ></P ><PRE CLASS="FUNCSYNOPSISINFO" >#include "SDL.h"</PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >int <B CLASS="FSFUNC" >SDL_GL_LoadLibrary</B ></CODE >(const char *path);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2658" ></A ><H2 >Description</H2 ><P >If you wish, you may load the OpenGL library at runtime, this must be done before <A HREF="sdlsetvideomode.html" ><TT CLASS="FUNCTION" >SDL_SetVideoMode</TT ></A > is called. The <TT CLASS="PARAMETER" ><I >path</I ></TT > of the GL library is passed to <TT CLASS="FUNCTION" >SDL_GL_LoadLibrary</TT > and it returns <SPAN CLASS="RETURNVALUE" >0</SPAN > on success, or <SPAN CLASS="RETURNVALUE" >-1</SPAN > on an error. You must then use <A HREF="sdlglgetprocaddress.html" ><TT CLASS="FUNCTION" >SDL_GL_GetProcAddress</TT ></A > to retrieve function pointers to GL functions.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2669" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlglgetprocaddress.html" ><TT CLASS="FUNCTION" >SDL_GL_GetProcAddress</TT ></A ></P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sdlshowcursor.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdlglgetprocaddress.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_ShowCursor</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="video.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_GL_GetProcAddress</TD ></TR ></TABLE ></DIV ></BODY ></HTML >