2 * LIBOIL - Library of Optimized Inner Loops
3 * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
27 //Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
33 #include <liboil/liboilfunction.h>
34 #include "liboil/simdpack/simdpack.h"
48 * Averages each element in @s1 and @s2 and places the result in @d.
50 * FIXME: This class is difficult to optimize and will likely be
53 OIL_DEFINE_CLASS (average2_u8,
54 "uint8_t *d, int dstr, uint8_t *s1, int sstr1, "
55 "uint8_t *s2, int sstr2, int n");
58 average2_u8_ref (uint8_t * dest, int dstr, uint8_t *src1, int sstr1,
59 uint8_t *src2, int sstr2, int n)
63 for (i = 0; i < n; i++) {
64 dest[dstr * i] = (src1[sstr1 * i] + src2[sstr2 * i]) >> 1;
68 OIL_DEFINE_IMPL_REF (average2_u8_ref, average2_u8);
74 OilFunctionClass* __oil_function_class_average2_u8() {
75 return &_oil_function_class_average2_u8;
83 OilFunctionImpl* __oil_function_impl_average2_u8_ref() {
84 return &_oil_function_impl_average2_u8_ref;
92 EXPORT_C void** _oil_function_class_ptr_average2_u8 () {
93 oil_function_class_ptr_average2_u8 = __oil_function_class_average2_u8();
94 return &oil_function_class_ptr_average2_u8->func;