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<HTML
><HEAD
><TITLE
>SDL_SetVideoMode</TITLE
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><H1
><A
NAME="SDLSETVIDEOMODE"
>SDL_SetVideoMode</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN834"
></A
><H2
>Name</H2
>SDL_SetVideoMode&nbsp;--&nbsp;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
CLASS="INFORMALTABLE"
><A
NAME="AEN854"
></A
><P
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><TBODY
><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
></TR
></TBODY
></TABLE
><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
></DIV
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