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>SDL_SetVideoMode</TITLE |
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>SDL Library Documentation</TH |
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><H1 |
><A |
NAME="SDLSETVIDEOMODE" |
>SDL_SetVideoMode</A |
></H1 |
><DIV |
CLASS="REFNAMEDIV" |
><A |
NAME="AEN834" |
></A |
><H2 |
>Name</H2 |
>SDL_SetVideoMode -- Set up a video mode with the specified width, height and bits-per-pixel.</DIV |
><DIV |
CLASS="REFSYNOPSISDIV" |
><A |
NAME="AEN837" |
></A |
><H2 |
>Synopsis</H2 |
><DIV |
CLASS="FUNCSYNOPSIS" |
><A |
NAME="AEN838" |
></A |
><P |
></P |
><PRE |
CLASS="FUNCSYNOPSISINFO" |
>#include "SDL.h"</PRE |
><P |
><CODE |
><CODE |
CLASS="FUNCDEF" |
>SDL_Surface *<B |
CLASS="FSFUNC" |
>SDL_SetVideoMode</B |
></CODE |
>(int width, int height, int bpp, Uint32 flags);</CODE |
></P |
><P |
></P |
></DIV |
></DIV |
><DIV |
CLASS="REFSECT1" |
><A |
NAME="AEN844" |
></A |
><H2 |
>Description</H2 |
><P |
>Set up a video mode with the specified width, height and bits-per-pixel.</P |
><P |
>If <TT |
CLASS="PARAMETER" |
><I |
>bpp</I |
></TT |
> is 0, it is treated as the |
current display bits per pixel.</P |
><P |
>The <TT |
CLASS="PARAMETER" |
><I |
>flags</I |
></TT |
> parameter is the same as the <TT |
CLASS="STRUCTFIELD" |
><I |
>flags</I |
></TT |
> field of the <A |
HREF="sdlsurface.html" |
><SPAN |
CLASS="STRUCTNAME" |
>SDL_Surface</SPAN |
></A |
> structure. OR'd combinations of the following values are valid.</P |
><DIV |
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><A |
NAME="AEN854" |
></A |
><P |
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><TR |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
><TT |
CLASS="LITERAL" |
>SDL_SWSURFACE</TT |
></TD |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
>Create the video surface in system memory</TD |
></TR |
><TR |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
><TT |
CLASS="LITERAL" |
>SDL_HWSURFACE</TT |
></TD |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
>Create the video surface in video memory</TD |
></TR |
><TR |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
><TT |
CLASS="LITERAL" |
>SDL_ASYNCBLIT</TT |
></TD |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
>Enables the use of asynchronous to the display surface. This will usually slow down blitting on single CPU machines, but may provide a speed increase on SMP systems.</TD |
></TR |
><TR |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
><TT |
CLASS="LITERAL" |
>SDL_ANYFORMAT</TT |
></TD |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
>Normally, if a video surface of the requested depth (<TT |
CLASS="PARAMETER" |
><I |
>bpp</I |
></TT |
>) is not available, SDL will emulate one with a shadow surface. Passing <TT |
CLASS="LITERAL" |
>SDL_ANYFORMAT</TT |
> prevents this and causes SDL to use the video surface, regardless of its depth.</TD |
></TR |
><TR |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
><TT |
CLASS="LITERAL" |
>SDL_HWPALETTE</TT |
></TD |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
>Give SDL exclusive palette access. Without this flag you may not always get the the colors you request with <A |
HREF="sdlsetcolors.html" |
><TT |
CLASS="FUNCTION" |
>SDL_SetColors</TT |
></A |
>.</TD |
></TR |
><TR |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
><TT |
CLASS="LITERAL" |
>SDL_DOUBLEBUF</TT |
></TD |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
>Enable double buffering; only valid with SDL_HWSURFACE. Calling <A |
HREF="sdlflip.html" |
><TT |
CLASS="FUNCTION" |
>SDL_Flip</TT |
></A |
> will flip the buffers and update the screen. If double buffering could not be enabled then <TT |
CLASS="FUNCTION" |
>SDL_Flip</TT |
> will just perform a <A |
HREF="sdlupdaterect.html" |
><TT |
CLASS="FUNCTION" |
>SDL_UpdateRect</TT |
></A |
> on the entire screen.</TD |
></TR |
><TR |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
><TT |
CLASS="LITERAL" |
>SDL_FULLSCREEN</TT |
></TD |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
>SDL will attempt to use a fullscreen mode</TD |
></TR |
><TR |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
><TT |
CLASS="LITERAL" |
>SDL_OPENGL</TT |
></TD |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
>Create an OpenGL rendering context. You should have previously set OpenGL video attributes with <A |
HREF="sdlglsetattribute.html" |
><TT |
CLASS="FUNCTION" |
>SDL_GL_SetAttribute</TT |
></A |
>.</TD |
></TR |
><TR |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
><TT |
CLASS="LITERAL" |
>SDL_OPENGLBLIT</TT |
></TD |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
>Create an OpenGL rendering context, like above, but allow normal blitting operations.</TD |
></TR |
><TR |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
><TT |
CLASS="LITERAL" |
>SDL_RESIZABLE</TT |
></TD |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
>Create a resizable window. When the window is resized by the user a <A |
HREF="sdlresizeevent.html" |
><TT |
CLASS="LITERAL" |
>SDL_VIDEORESIZE</TT |
></A |
> event is generated and <TT |
CLASS="FUNCTION" |
>SDL_SetVideoMode</TT |
> can be called again with the new size.</TD |
></TR |
><TR |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
><TT |
CLASS="LITERAL" |
>SDL_NOFRAME</TT |
></TD |
><TD |
ALIGN="LEFT" |
VALIGN="TOP" |
>If possible, <TT |
CLASS="LITERAL" |
>SDL_NOFRAME</TT |
> causes SDL to create a window with no title bar or frame decoration. Fullscreen modes automatically have this flag set.</TD |
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><P |
></P |
></DIV |
><DIV |
CLASS="NOTE" |
><BLOCKQUOTE |
CLASS="NOTE" |
><P |
><B |
>Note: </B |
>Whatever <TT |
CLASS="PARAMETER" |
><I |
>flags</I |
></TT |
> <TT |
CLASS="FUNCTION" |
>SDL_SetVideoMode</TT |
> could satisfy are set in the <TT |
CLASS="STRUCTFIELD" |
><I |
>flags</I |
></TT |
> member of the returned surface.</P |
></BLOCKQUOTE |
></DIV |
></DIV |
><DIV |
CLASS="REFSECT1" |
><A |
NAME="AEN921" |
></A |
><H2 |
>Return Value</H2 |
><P |
>The framebuffer surface, or <SPAN |
CLASS="RETURNVALUE" |
>NULL</SPAN |
> if it fails.</P |
></DIV |
><DIV |
CLASS="REFSECT1" |
><A |
NAME="AEN925" |
></A |
><H2 |
>See Also</H2 |
><P |
><A |
HREF="sdllocksurface.html" |
><TT |
CLASS="FUNCTION" |
>SDL_LockSurface</TT |
></A |
>, |
<A |
HREF="sdlsetcolors.html" |
><TT |
CLASS="FUNCTION" |
>SDL_SetColors</TT |
></A |
>, |
<A |
HREF="sdlflip.html" |
><TT |
CLASS="FUNCTION" |
>SDL_Flip</TT |
></A |
>, |
<A |
HREF="sdlsurface.html" |
><SPAN |
CLASS="STRUCTNAME" |
>SDL_Surface</SPAN |
></A |
></P |
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>Home</A |
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