--- /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 <ds@schleef.org>
+ * 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 <liboil/liboil.h>
+#include <liboil/liboilfunction.h>
+#include <liboil/liboiltest.h>
+#include <liboil/liboilrandom.h>
+
+
+/**
+ * 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<n;i++){
+ j = acc>>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<n;i++){
+ j = acc>>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<n;i++){
+ dest[4*i+0] = (src1[4*i+0]*(256-x) + src2[4*i+0]*x) >> 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<n;i++){
+ dest[i] = (src1[i]*(256-x) + src2[i]*x) >> 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
+