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<HTML><HEAD><TITLE>SDL_GLattr</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="SDL Library Documentation"HREF="index.html"><LINKREL="UP"TITLE="Video"HREF="video.html"><LINKREL="PREVIOUS"TITLE="SDL_FreeYUVOverlay"HREF="sdlfreeyuvoverlay.html"><LINKREL="NEXT"TITLE="SDL_Rect"HREF="sdlrect.html"></HEAD><BODYCLASS="REFENTRY"BGCOLOR="#FFF8DC"TEXT="#000000"LINK="#0000ee"VLINK="#551a8b"ALINK="#ff0000"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">SDL Library Documentation</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="sdlfreeyuvoverlay.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="sdlrect.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><H1><ANAME="SDLGLATTR"></A>SDL_GLattr</H1><DIVCLASS="REFNAMEDIV"><ANAME="AEN2971"></A><H2>Name</H2>SDL_GLattr -- SDL GL Attributes</DIV><DIVCLASS="REFSECT1"><ANAME="AEN2974"></A><H2>Attributes</H2><DIVCLASS="INFORMALTABLE"><ANAME="AEN2976"></A><P></P><TABLEBORDER="0"CLASS="CALSTABLE"><TBODY><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_RED_SIZE</TT></TD><TDALIGN="LEFT"VALIGN="TOP">Size of the framebuffer red component, in bits</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_GREEN_SIZE</TT></TD><TDALIGN="LEFT"VALIGN="TOP">Size of the framebuffer green component, in bits</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_BLUE_SIZE</TT></TD><TDALIGN="LEFT"VALIGN="TOP">Size of the framebuffer blue component, in bits</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_ALPHA_SIZE</TT></TD><TDALIGN="LEFT"VALIGN="TOP">Size of the framebuffer alpha component, in bits</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_DOUBLEBUFFER</TT></TD><TDALIGN="LEFT"VALIGN="TOP">0 or 1, enable or disable double buffering</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_BUFFER_SIZE</TT></TD><TDALIGN="LEFT"VALIGN="TOP">Size of the framebuffer, in bits</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_DEPTH_SIZE</TT></TD><TDALIGN="LEFT"VALIGN="TOP">Size of the depth buffer, in bits</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_STENCIL_SIZE</TT></TD><TDALIGN="LEFT"VALIGN="TOP">Size of the stencil buffer, in bits</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_ACCUM_RED_SIZE</TT></TD><TDALIGN="LEFT"VALIGN="TOP">Size of the accumulation buffer red component, in bits</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_ACCUM_GREEN_SIZE</TT></TD><TDALIGN="LEFT"VALIGN="TOP">Size of the accumulation buffer green component, in bits</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_ACCUM_BLUE_SIZE</TT></TD><TDALIGN="LEFT"VALIGN="TOP">Size of the accumulation buffer blue component, in bits</TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"><TTCLASS="LITERAL">SDL_GL_ACCUM_ALPHA_SIZE</TT></TD><TDALIGN="LEFT"VALIGN="TOP">Size of the accumulation buffer alpha component, in bits</TD></TR></TBODY></TABLE><P></P></DIV></DIV><DIVCLASS="REFSECT1"><ANAME="AEN3027"></A><H2>Description</H2><P>While you can set most OpenGL attributes normally, the attributes list above must be known <SPANCLASS="emphasis"><ICLASS="EMPHASIS">before</I></SPAN> SDL sets the video mode. These attributes a set and read with <AHREF="sdlglsetattribute.html"><TTCLASS="FUNCTION">SDL_GL_SetAttribute</TT></A> and <AHREF="sdlglgetattribute.html"><TTCLASS="FUNCTION">SDL_GL_GetAttribute</TT></A>.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN3035"></A><H2>See Also</H2><P><AHREF="sdlglsetattribute.html"><TTCLASS="FUNCTION">SDL_GL_SetAttribute</TT></A>,<AHREF="sdlglgetattribute.html"><TTCLASS="FUNCTION">SDL_GL_GetAttribute</TT></A></P></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="sdlfreeyuvoverlay.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="index.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="sdlrect.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">SDL_FreeYUVOverlay</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="video.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">SDL_Rect</TD></TR></TABLE></DIV></BODY></HTML>
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