diff -r e4d67989cc36 -r 47c74d1534e1 genericopenlibs/liboil/src/ref/resample.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/genericopenlibs/liboil/src/ref/resample.c Fri Apr 16 16:46:38 2010 +0300 @@ -0,0 +1,307 @@ +/* + * 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 +#include +#include + + +/** + * oil_resample_linear_u8: + * @d_n: + * @s_2xn: + * @n: + * @i_2: + * + * Linearly resamples a row of pixels. FIXME. + */ +static void +resample_linear_u8_test (OilTest *test) +{ + uint32_t *in = (uint32_t *) oil_test_get_source_data (test, OIL_ARG_INPLACE1); + + in[0] = 0; + in[1] = 65536; +} +OIL_DEFINE_CLASS_FULL (resample_linear_u8, + "uint8_t *d_n, uint8_t *s_2xn, int n, uint32_t *i_2", + resample_linear_u8_test); + +/** + * oil_resample_linear_argb: + * @d_n: + * @s_2xn: + * @n: + * @i_2: + * + * Linearly resamples a row of pixels. FIXME. + */ +static void +resample_linear_argb_test (OilTest *test) +{ + uint32_t *in = (uint32_t *) oil_test_get_source_data (test, OIL_ARG_INPLACE1); + + in[0] = 0; + in[1] = 65536; +} +OIL_DEFINE_CLASS_FULL (resample_linear_argb, + "uint32_t *d_n, uint32_t *s_2xn, int n, uint32_t *i_2", + resample_linear_argb_test); + +static void +resample_linear_u8_ref (uint8_t *dest, uint8_t *src, int n, + uint32_t *in) +{ + int acc = in[0]; + int increment = in[1]; + int i; + int j; + int x; + + for(i=0;i>16; + x = (acc&0xffff)>>8; + dest[i] = (src[j]*(256-x) + src[j+1]*x) >> 8; + + acc += increment; + } + + in[0] = acc; +} +OIL_DEFINE_IMPL_REF (resample_linear_u8_ref, resample_linear_u8); + +static void +resample_linear_argb_ref (uint32_t *d, uint32_t *s, int n, uint32_t *in) +{ + uint8_t *src = (uint8_t *)s; + uint8_t *dest = (uint8_t *)d; + int acc = in[0]; + int increment = in[1]; + int i; + int j; + int x; + + for(i=0;i>16; + x = (acc&0xffff)>>8; + dest[4*i+0] = (src[4*j+0]*(256-x) + src[4*j+4]*x) >> 8; + dest[4*i+1] = (src[4*j+1]*(256-x) + src[4*j+5]*x) >> 8; + dest[4*i+2] = (src[4*j+2]*(256-x) + src[4*j+6]*x) >> 8; + dest[4*i+3] = (src[4*j+3]*(256-x) + src[4*j+7]*x) >> 8; + + acc += increment; + } + + in[0] = acc; +} +OIL_DEFINE_IMPL_REF (resample_linear_argb_ref, resample_linear_argb); + + +static void +merge_linear_test (OilTest *test) +{ + uint32_t *src3 = (uint32_t *) oil_test_get_source_data (test, OIL_ARG_SRC3); + + do { + src3[0] = oil_rand_u16() & 0x1ff; + } while (src3[0] > 256); +} +OIL_DEFINE_CLASS_FULL (merge_linear_argb, + "uint32_t *d_n, uint32_t *s_n, uint32_t *s2_n, uint32_t *s3_1, int n", + merge_linear_test); +OIL_DEFINE_CLASS_FULL (merge_linear_u8, + "uint8_t *d_n, uint8_t *s_n, uint8_t *s2_n, uint32_t *s3_1, int n", + merge_linear_test); + +/** + * oil_merge_linear_argb: + * @d_n: + * @s_n: + * @s2_n: + * @s3_1: + * @n: + * + * Linearly interpolate the @s_n and @s2_n arrays using the scale + * factor in @s3_1. The value @s3_1 must be in the range [0, 256] + * A value of 0 indicates weights of 1.0 and 0.0 for + * the s_n and s2_n arrays respectively. A value of 256 indicates + * weights of 0.0 and 1.0 respectively. + * + * This function is not intended for alpha blending; use one of the + * compositing functions instead. + */ +static void +merge_linear_argb_ref (uint32_t *d, uint32_t *s1, uint32_t *s2, + uint32_t *src3, int n) +{ + uint8_t *src1 = (uint8_t *)s1; + uint8_t *src2 = (uint8_t *)s2; + uint8_t *dest = (uint8_t *)d; + int i; + int x = src3[0]; + + for(i=0;i> 8; + dest[4*i+1] = (src1[4*i+1]*(256-x) + src2[4*i+1]*x) >> 8; + dest[4*i+2] = (src1[4*i+2]*(256-x) + src2[4*i+2]*x) >> 8; + dest[4*i+3] = (src1[4*i+3]*(256-x) + src2[4*i+3]*x) >> 8; + } +} +OIL_DEFINE_IMPL_REF (merge_linear_argb_ref, merge_linear_argb); + + +/** + * oil_merge_linear_u8: + * @d_n: + * @s_n: + * @s2_n: + * @s3_1: + * @n: + * + * Linearly interpolate the @s_n and @s2_n arrays using the scale + * factor in @s3_1. The value @s3_1 must be in the range [0, 255]. + * The value translates into weights of 1.0-(value/256.0) and + * (value/256.0) for the s_n and s2_n arrays respectively. + * + * This function is not intended for alpha blending; use one of the + * compositing functions instead. + */ +static void +merge_linear_u8_ref (uint8_t *dest, uint8_t *src1, uint8_t *src2, + uint32_t *src3, int n) +{ + int i; + int x = src3[0]; + + for(i=0;i> 8; + } +} +OIL_DEFINE_IMPL_REF (merge_linear_u8_ref, merge_linear_u8); + + + + +#ifdef __SYMBIAN32__ + +OilFunctionClass* __oil_function_class_resample_linear_u8() { + return &_oil_function_class_resample_linear_u8; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionClass* __oil_function_class_resample_linear_argb() { + return &_oil_function_class_resample_linear_argb; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionClass* __oil_function_class_merge_linear_argb() { + return &_oil_function_class_merge_linear_argb; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionClass* __oil_function_class_merge_linear_u8() { + return &_oil_function_class_merge_linear_u8; +} +#endif + + + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_resample_linear_u8_ref() { + return &_oil_function_impl_resample_linear_u8_ref; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_resample_linear_argb_ref() { + return &_oil_function_impl_resample_linear_argb_ref; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_merge_linear_argb_ref() { + return &_oil_function_impl_merge_linear_argb_ref; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_merge_linear_u8_ref() { + return &_oil_function_impl_merge_linear_u8_ref; +} +#endif + + + + +#ifdef __SYMBIAN32__ + +EXPORT_C void** _oil_function_class_ptr_resample_linear_u8 () { + oil_function_class_ptr_resample_linear_u8 = __oil_function_class_resample_linear_u8(); + return &oil_function_class_ptr_resample_linear_u8->func; + } +#endif + +#ifdef __SYMBIAN32__ + +EXPORT_C void** _oil_function_class_ptr_resample_linear_argb () { + oil_function_class_ptr_resample_linear_argb = __oil_function_class_resample_linear_argb(); + return &oil_function_class_ptr_resample_linear_argb->func; + } +#endif + +#ifdef __SYMBIAN32__ + +EXPORT_C void** _oil_function_class_ptr_merge_linear_argb () { + oil_function_class_ptr_merge_linear_argb = __oil_function_class_merge_linear_argb(); + return &oil_function_class_ptr_merge_linear_argb->func; + } +#endif + +#ifdef __SYMBIAN32__ + +EXPORT_C void** _oil_function_class_ptr_merge_linear_u8 () { + oil_function_class_ptr_merge_linear_u8 = __oil_function_class_merge_linear_u8(); + return &oil_function_class_ptr_merge_linear_u8->func; + } +#endif +