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/*
* Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/module.h>
#include <linux/string.h>
#include "opl.h"
int opl_vmirror_u16(const u8 *src, int src_line_stride, int width, int height,
u8 *dst, int dst_line_stride)
{
const u8 *src_row_addr;
u8 *dst_row_addr;
int i;
if (!src || !dst)
return OPLERR_NULL_PTR;
if (width == 0 || height == 0 || src_line_stride == 0
|| dst_line_stride == 0)
return OPLERR_BAD_ARG;
src_row_addr = src;
dst_row_addr = dst + (height - 1) * dst_line_stride;
/* Loop over all rows */
for (i = 0; i < height; i++) {
/* memcpy each row */
memcpy(dst_row_addr, src_row_addr, BYTES_PER_PIXEL * width);
src_row_addr += src_line_stride;
dst_row_addr -= dst_line_stride;
}
return OPLERR_SUCCESS;
}
EXPORT_SYMBOL(opl_vmirror_u16);
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