genode/os/include/blit/blit.h
2012-01-03 15:35:05 +01:00

36 lines
1.0 KiB
C

/*
* \brief Interface of 2D-copy library
* \author Norman Feske
* \date 2007-10-10
*/
/*
* Copyright (C) 2007-2012 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _INCLUDE__BLIT__BLIT_H_
#define _INCLUDE__BLIT__BLIT_H_
/**
* Blit memory from source buffer to destination buffer
*
* \param src address of source buffer
* \param src_w line length of source buffer in bytes
* \param dst address of destination buffer
* \param dst_w line length of destination buffer in bytes
* \param w number of bytes per line to copy
* \param h number of lines to copy
*
* This function works at a granularity of 16bit.
* If the source and destination overlap, the result
* of the copy operation is not defined.
*/
extern "C" void blit(void *src, unsigned src_w,
void *dst, unsigned dst_w,
int w, int h);
#endif /* _INCLUDE__BLIT__BLIT_H_ */