Mercurial > sdl-ios-xcode
view docs/html/sdlglattr.html @ 2429:2c55b72ba46e gsoc2008_iphone
testdyngles is exactly what it sounds like -- a version of testdyngl that uses OpenGL ES calls instead of OpenGL. Was necessary to create because glOrtho is called glOrthof in OpenGL ES, and OpenGL ES doesn't have glBegin() type semantics for specifying geometry.
author | Holmes Futrell <hfutrell@umail.ucsb.edu> |
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date | Fri, 15 Aug 2008 00:52:52 +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 >