diff -r e4d67989cc36 -r 47c74d1534e1 genericopenlibs/liboil/src/ref/sad8x8avg.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/genericopenlibs/liboil/src/ref/sad8x8avg.c Fri Apr 16 16:46:38 2010 +0300 @@ -0,0 +1,110 @@ +/* + * LIBOIL - Library of Optimized Inner Loops + * Copyright (c) 2003,2004 David A. Schleef + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#define ABS(x) ((x)>0 ? (x) : -(x)) + +/** + * oil_sad8x8_u8_avg: + * @d_1: + * @s1_8x8: + * @ss1: + * @s2_8x8: + * @s3_8x8: + * @ss2: + * + * Calculates the sum of absolute differences between @s1_8x8 and + * the average of @s2_8x8 and @s3_8x8. + * + * FIXME: This function is broken because the reference function assumes + * the stride for @s3_8x8 is @ss2. + */ +OIL_DEFINE_CLASS (sad8x8_u8_avg, + "uint32_t *d_1, uint8_t *s1_8x8, int ss1, uint8_t *s2_8x8, uint8_t *s3_8x8, int ss2"); + +static void +sad8x8_u8_avg_ref (uint32_t *dest, uint8_t *src1, int ss1, uint8_t *src2, uint8_t *src3, int ss2) +{ + int i; + uint32_t diff = 0; + + for (i=0; i<8;i++){ + diff += ABS(((int)src1[0]) - (((int)src2[0] + (int)src3[0]) / 2)); + diff += ABS(((int)src1[1]) - (((int)src2[1] + (int)src3[1]) / 2)); + diff += ABS(((int)src1[2]) - (((int)src2[2] + (int)src3[2]) / 2)); + diff += ABS(((int)src1[3]) - (((int)src2[3] + (int)src3[3]) / 2)); + diff += ABS(((int)src1[4]) - (((int)src2[4] + (int)src3[4]) / 2)); + diff += ABS(((int)src1[5]) - (((int)src2[5] + (int)src3[5]) / 2)); + diff += ABS(((int)src1[6]) - (((int)src2[6] + (int)src3[6]) / 2)); + diff += ABS(((int)src1[7]) - (((int)src2[7] + (int)src3[7]) / 2)); + + /* Step to next row of block. */ + src1 += ss1; + src2 += ss2; + src3 += ss2; + } + *dest = diff; +} + +OIL_DEFINE_IMPL_REF (sad8x8_u8_avg_ref, sad8x8_u8_avg); + + + + +#ifdef __SYMBIAN32__ + +OilFunctionClass* __oil_function_class_sad8x8_u8_avg() { + return &_oil_function_class_sad8x8_u8_avg; +} +#endif + + + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_sad8x8_u8_avg_ref() { + return &_oil_function_impl_sad8x8_u8_avg_ref; +} +#endif + + + +#ifdef __SYMBIAN32__ + +EXPORT_C void** _oil_function_class_ptr_sad8x8_u8_avg () { + oil_function_class_ptr_sad8x8_u8_avg = __oil_function_class_sad8x8_u8_avg(); + return &oil_function_class_ptr_sad8x8_u8_avg->func; + } +#endif +