genericopenlibs/liboil/src/ref/rowcolsad8x8.c
branchRCL_3
changeset 56 acd3cd4aaceb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/ref/rowcolsad8x8.c	Tue Aug 31 16:54:36 2010 +0300
@@ -0,0 +1,185 @@
+/*
+ * 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/liboilfunction.h>
+#include "liboil/simdpack/simdpack.h"
+#include <math.h>
+
+#define ABS(x) ((x)>0 ? (x) : -(x))
+#define DSP_OP_ABS_DIFF(a,b) ABS((((int)(a)) - ((int)(b))))
+
+/**
+ * oil_rowsad8x8_u8:
+ * @d_1:
+ * @s1_8x8:
+ * @s2_8x8:
+ *
+ * Calculates the sum of absolute differences between @s1_8x8 and @s1_8s8
+ * for the first 4 elements of the first row, and the sum of absolute
+ * differences for the last 4 elements of the first row, and places the
+ * maximum of those values in @dest.
+ *
+ * FIXME: This function is declared incorrectly.
+ */
+OIL_DEFINE_CLASS (rowsad8x8_u8,
+    "uint32_t *d_1, uint8_t *s1_8x8, uint8_t *s2_8x8");
+/**
+ * oil_colsad8x8_u8:
+ * @d_1:
+ * @s1_8x8:
+ * @s2_8x8:
+ *
+ * Divides the 8x8 block into 16 1x4 regions, and calculates the
+ * sum of absolute differences between @s1_8x8 and @s2_8x8 for
+ * each region.  The maximum of the results in each region is
+ * placed in @d_1.
+ */
+OIL_DEFINE_CLASS (colsad8x8_u8,
+    "uint32_t *d_1, uint8_t *s1_8x8, int ss1, uint8_t *s2_8x8, int ss2");
+
+static void
+rowsad8x8_u8_ref (uint32_t *dest, uint8_t *src1, uint8_t *src2)
+{
+  uint32_t SadValue;
+  uint32_t SadValue1;
+
+  SadValue    = DSP_OP_ABS_DIFF (src1[0], src2[0]) + 
+	        DSP_OP_ABS_DIFF (src1[1], src2[1]) +
+	        DSP_OP_ABS_DIFF (src1[2], src2[2]) +
+	        DSP_OP_ABS_DIFF (src1[3], src2[3]);
+
+  SadValue1   = DSP_OP_ABS_DIFF (src1[4], src2[4]) + 
+	        DSP_OP_ABS_DIFF (src1[5], src2[5]) +
+	        DSP_OP_ABS_DIFF (src1[6], src2[6]) +
+	        DSP_OP_ABS_DIFF (src1[7], src2[7]);
+
+  *dest = (SadValue > SadValue1) ? SadValue : SadValue1;
+}
+OIL_DEFINE_IMPL_REF (rowsad8x8_u8_ref, rowsad8x8_u8);
+
+static void
+colsad8x8_u8_ref (uint32_t *dest, uint8_t *src1, int ss1, uint8_t *src2, int ss2)
+{
+  uint32_t SadValue[8] = {0,0,0,0,0,0,0,0};
+  uint32_t SadValue2[8] = {0,0,0,0,0,0,0,0};
+  uint32_t MaxSad = 0;
+  uint32_t i;
+
+  for ( i = 0; i < 4; i++ ){
+    SadValue[0] += ABS(src1[0] - src2[0]);
+    SadValue[1] += ABS(src1[1] - src2[1]);
+    SadValue[2] += ABS(src1[2] - src2[2]);
+    SadValue[3] += ABS(src1[3] - src2[3]);
+    SadValue[4] += ABS(src1[4] - src2[4]);
+    SadValue[5] += ABS(src1[5] - src2[5]);
+    SadValue[6] += ABS(src1[6] - src2[6]);
+    SadValue[7] += ABS(src1[7] - src2[7]);
+    
+    src1 += ss1;
+    src2 += ss2;
+  }
+
+  for ( i = 0; i < 4; i++ ){
+    SadValue2[0] += ABS(src1[0] - src2[0]);
+    SadValue2[1] += ABS(src1[1] - src2[1]);
+    SadValue2[2] += ABS(src1[2] - src2[2]);
+    SadValue2[3] += ABS(src1[3] - src2[3]);
+    SadValue2[4] += ABS(src1[4] - src2[4]);
+    SadValue2[5] += ABS(src1[5] - src2[5]);
+    SadValue2[6] += ABS(src1[6] - src2[6]);
+    SadValue2[7] += ABS(src1[7] - src2[7]);
+    
+    src1 += ss1;
+    src2 += ss2;
+  }
+    
+  for ( i = 0; i < 8; i++ ){
+    if ( SadValue[i] > MaxSad )
+      MaxSad = SadValue[i];
+    if ( SadValue2[i] > MaxSad )
+      MaxSad = SadValue2[i];
+  }
+    
+  *dest = MaxSad;
+}
+OIL_DEFINE_IMPL_REF (colsad8x8_u8_ref, colsad8x8_u8);
+
+
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionClass* __oil_function_class_rowsad8x8_u8() {
+		return &_oil_function_class_rowsad8x8_u8;
+}
+#endif
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionClass* __oil_function_class_colsad8x8_u8() {
+		return &_oil_function_class_colsad8x8_u8;
+}
+#endif
+
+
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_rowsad8x8_u8_ref() {
+		return &_oil_function_impl_rowsad8x8_u8_ref;
+}
+#endif
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_colsad8x8_u8_ref() {
+		return &_oil_function_impl_colsad8x8_u8_ref;
+}
+#endif
+
+
+
+#ifdef	__SYMBIAN32__
+ 
+EXPORT_C void** _oil_function_class_ptr_rowsad8x8_u8 ()	{
+	oil_function_class_ptr_rowsad8x8_u8 = __oil_function_class_rowsad8x8_u8();
+	return &oil_function_class_ptr_rowsad8x8_u8->func;
+	}
+#endif
+
+#ifdef	__SYMBIAN32__
+ 
+EXPORT_C void** _oil_function_class_ptr_colsad8x8_u8 ()	{
+	oil_function_class_ptr_colsad8x8_u8 = __oil_function_class_colsad8x8_u8();
+	return &oil_function_class_ptr_colsad8x8_u8->func;
+	}
+#endif
+