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.TH "SDL_Flip" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference"
SDL_Flip \- Swaps screen buffers
\fB#include "SDL\&.h"
\fBint \fBSDL_Flip\fP\fR(\fBSDL_Surface *screen\fR);
On hardware that supports double-buffering, this function sets up a flip and returns\&. The hardware will wait for vertical retrace, and then swap video buffers before the next video surface blit or lock will return\&. On hardware that doesn\&'t support double-buffering, this is equivalent to calling \fISDL_UpdateRect\fR\fB(screen, 0, 0, 0, 0)\fR
The \fBSDL_DOUBLEBUF\fP flag must have been passed to \fISDL_SetVideoMode\fR, when setting the video mode for this function to perform hardware flipping\&.
This function returns \fB0\fR if successful, or \fB-1\fR if there was an error\&.
\fI\fBSDL_SetVideoMode\fP\fR, \fI\fBSDL_UpdateRect\fP\fR, \fI\fBSDL_Surface\fR\fR
.\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01