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view docs/man3/SDL_LockYUVOverlay.3 @ 1905:36d52b1f0504

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Prefer the D3D renderer over GDI, at least for testing. Added support for the SDL_VIDEO_RENDERER environment variable to pick the desired render driver. Implemented WritePixels support for the D3D renderer.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 14 Jul 2006 08:22:45 +0000
parents e5bc29de3f0a
children 546f7c1eb755
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.TH "SDL_LockYUVOverlay" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" 
.SH "NAME"
SDL_LockYUVOverlay\- Lock an overlay
.SH "SYNOPSIS"
.PP
\fB#include "SDL\&.h"
.sp
\fBint \fBSDL_LockYUVOverlay\fP\fR(\fBSDL_Overlay *overlay\fR);
.SH "DESCRIPTION"
.PP
Much the same as \fI\fBSDL_LockSurface\fP\fR, \fBSDL_LockYUVOverlay\fP locks the \fI\fBoverlay\fR\fR for direct access to pixel data\&.
.SH "RETURN VALUE"
.PP
Returns \fB0\fR on success, or \fB-1\fR on an error\&.
.SH "SEE ALSO"
.PP
\fI\fBSDL_UnlockYUVOverlay\fP\fR, \fI\fBSDL_CreateYUVOverlay\fP\fR, \fI\fBSDL_Overlay\fR\fR
...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01