Mercurial > sdl-ios-xcode
view docs/html/sdlglattr.html @ 2321:c5feceb0395e
SetupWindowData in SDL_X11window.c was realloc()ing the display window list and incrementing numwindows even though those are being updated in functions that call
this function. The result is that it is possible to get the same window added to the list twice.
author | Bob Pendleton <bob@pendleton.com> |
---|---|
date | Tue, 04 Mar 2008 23:09:28 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_GLattr</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_FreeYUVOverlay" HREF="sdlfreeyuvoverlay.html"><LINK REL="NEXT" TITLE="SDL_Rect" HREF="sdlrect.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="sdlfreeyuvoverlay.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlrect.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLGLATTR" ></A >SDL_GLattr</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN2971" ></A ><H2 >Name</H2 >SDL_GLattr -- SDL GL Attributes</DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2974" ></A ><H2 >Attributes</H2 ><DIV CLASS="INFORMALTABLE" ><A NAME="AEN2976" ></A ><P ></P ><TABLE BORDER="0" CLASS="CALSTABLE" ><TBODY ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_RED_SIZE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Size of the framebuffer red component, in bits</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_GREEN_SIZE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Size of the framebuffer green component, in bits</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_BLUE_SIZE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Size of the framebuffer blue component, in bits</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_ALPHA_SIZE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Size of the framebuffer alpha component, in bits</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_DOUBLEBUFFER</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >0 or 1, enable or disable double buffering</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_BUFFER_SIZE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Size of the framebuffer, in bits</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_DEPTH_SIZE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Size of the depth buffer, in bits</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_STENCIL_SIZE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Size of the stencil buffer, in bits</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_ACCUM_RED_SIZE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Size of the accumulation buffer red component, in bits</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_ACCUM_GREEN_SIZE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Size of the accumulation buffer green component, in bits</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_ACCUM_BLUE_SIZE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Size of the accumulation buffer blue component, in bits</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_GL_ACCUM_ALPHA_SIZE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Size of the accumulation buffer alpha component, in bits</TD ></TR ></TBODY ></TABLE ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3027" ></A ><H2 >Description</H2 ><P >While you can set most OpenGL attributes normally, the attributes list above must be known <SPAN CLASS="emphasis" ><I CLASS="EMPHASIS" >before</I ></SPAN > SDL sets the video mode. These attributes a set and read with <A HREF="sdlglsetattribute.html" ><TT CLASS="FUNCTION" >SDL_GL_SetAttribute</TT ></A > and <A HREF="sdlglgetattribute.html" ><TT CLASS="FUNCTION" >SDL_GL_GetAttribute</TT ></A >.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3035" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlglsetattribute.html" ><TT CLASS="FUNCTION" >SDL_GL_SetAttribute</TT ></A >, <A HREF="sdlglgetattribute.html" ><TT CLASS="FUNCTION" >SDL_GL_GetAttribute</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="sdlfreeyuvoverlay.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="sdlrect.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_FreeYUVOverlay</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_Rect</TD ></TR ></TABLE ></DIV ></BODY ></HTML >