genericopenlibs/liboil/src/ref/recon8x8.c
branchRCL_3
changeset 56 acd3cd4aaceb
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54:4332f0f7be53 56:acd3cd4aaceb
       
     1 /*
       
     2  * LIBOIL - Library of Optimized Inner Loops
       
     3  * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
       
     4  * All rights reserved.
       
     5  *
       
     6  * Redistribution and use in source and binary forms, with or without
       
     7  * modification, are permitted provided that the following conditions
       
     8  * are met:
       
     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.
       
    14  * 
       
    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.
       
    26  */
       
    27 //Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
       
    28 
       
    29 #ifdef HAVE_CONFIG_H
       
    30 #include "config.h"
       
    31 #endif
       
    32 
       
    33 #include <liboil/liboilfunction.h>
       
    34 #include "liboil/simdpack/simdpack.h"
       
    35 #include "liboil/liboilcolorspace.h"
       
    36 
       
    37 #ifdef __SYMBIAN32__
       
    38 #ifdef __WINSCW__
       
    39 #pragma warn_unusedarg off 
       
    40 #endif//__WINSCW__
       
    41 #endif//__SYMBIAN32__
       
    42 
       
    43 /**
       
    44  * oil_recon8x8_intra:
       
    45  * @d_8x8:
       
    46  * @ds:
       
    47  * @s_8x8:
       
    48  *
       
    49  * Adds 128 to each value in the source array, clamps to the range [0,255],
       
    50  * and places the result in the destination array.
       
    51  */
       
    52 OIL_DEFINE_CLASS (recon8x8_intra,
       
    53     "uint8_t *d_8x8, int ds, int16_t *s_8x8");
       
    54 /**
       
    55  * oil_recon8x8_inter:
       
    56  * @d_8x8:
       
    57  * @ds:
       
    58  * @s1_8x8:
       
    59  * @ss1:
       
    60  * @s2_8x8:
       
    61  *
       
    62  * Adds each element in @s1_8x8 and @s2_8x8, clamps to the range [0,255],
       
    63  * and places the result in the destination array.
       
    64  */
       
    65 OIL_DEFINE_CLASS (recon8x8_inter,
       
    66     "uint8_t *d_8x8, int ds, uint8_t *s1_8x8, int ss1, int16_t *s2_8x8");
       
    67 /**
       
    68  * oil_recon8x8_inter2:
       
    69  * @d_8x8:
       
    70  * @ds:
       
    71  * @s1_8x8:
       
    72  * @ss1:
       
    73  * @s2_8x8:
       
    74  * @ss2:
       
    75  * @s3_8x8:
       
    76  *
       
    77  * Adds each element in @s1_8x8 and @s2_8x8, divides by 2, and adds
       
    78  * to @s3_8x8, clamps to the range [0,255], and places the result in
       
    79  * the destination array.
       
    80  */
       
    81 OIL_DEFINE_CLASS (recon8x8_inter2,
       
    82     "uint8_t *d_8x8, int ds, uint8_t *s1_8x8, int ss1, uint8_t *s2_8x8, int ss2, int16_t *s3_8x8");
       
    83 
       
    84 
       
    85 static void
       
    86 recon8x8_intra_ref (uint8_t *dest, int ds, int16_t *change)
       
    87 {
       
    88   uint32_t i;
       
    89 
       
    90   for (i = 8; i; i--){
       
    91     dest[0] = oil_clamp_255(change[0] + 128);
       
    92     dest[1] = oil_clamp_255(change[1] + 128);
       
    93     dest[2] = oil_clamp_255(change[2] + 128);
       
    94     dest[3] = oil_clamp_255(change[3] + 128);
       
    95     dest[4] = oil_clamp_255(change[4] + 128);
       
    96     dest[5] = oil_clamp_255(change[5] + 128);
       
    97     dest[6] = oil_clamp_255(change[6] + 128);
       
    98     dest[7] = oil_clamp_255(change[7] + 128);
       
    99 
       
   100     dest += ds;
       
   101     change += 8;
       
   102   }
       
   103 }
       
   104 
       
   105 OIL_DEFINE_IMPL_REF (recon8x8_intra_ref, recon8x8_intra);
       
   106 
       
   107 static void
       
   108 recon8x8_inter_ref (uint8_t *dest, int ds, uint8_t *src, int ss, int16_t *change, int dss)
       
   109 {
       
   110   uint32_t i;
       
   111 
       
   112   for (i = 8; i; i--){
       
   113     dest[0] = oil_clamp_255(src[0] + change[0]);
       
   114     dest[1] = oil_clamp_255(src[1] + change[1]);
       
   115     dest[2] = oil_clamp_255(src[2] + change[2]);
       
   116     dest[3] = oil_clamp_255(src[3] + change[3]);
       
   117     dest[4] = oil_clamp_255(src[4] + change[4]);
       
   118     dest[5] = oil_clamp_255(src[5] + change[5]);
       
   119     dest[6] = oil_clamp_255(src[6] + change[6]);
       
   120     dest[7] = oil_clamp_255(src[7] + change[7]);
       
   121 
       
   122     change += 8;
       
   123     dest += ds;
       
   124     src += ss;
       
   125   }
       
   126 }
       
   127 
       
   128 OIL_DEFINE_IMPL_REF (recon8x8_inter_ref, recon8x8_inter);
       
   129 
       
   130 static void
       
   131 recon8x8_inter2_ref (uint8_t *dest, int ds, uint8_t *s1, int ss1, uint8_t *s2, int ss2, int16_t *change)
       
   132 {
       
   133   uint32_t  i;
       
   134 
       
   135   for (i = 8; i; i--){
       
   136     dest[0] = oil_clamp_255((((int16_t)s1[0] + (int16_t)s2[0]) >> 1) + change[0]);
       
   137     dest[1] = oil_clamp_255((((int16_t)s1[1] + (int16_t)s2[1]) >> 1) + change[1]);
       
   138     dest[2] = oil_clamp_255((((int16_t)s1[2] + (int16_t)s2[2]) >> 1) + change[2]);
       
   139     dest[3] = oil_clamp_255((((int16_t)s1[3] + (int16_t)s2[3]) >> 1) + change[3]);
       
   140     dest[4] = oil_clamp_255((((int16_t)s1[4] + (int16_t)s2[4]) >> 1) + change[4]);
       
   141     dest[5] = oil_clamp_255((((int16_t)s1[5] + (int16_t)s2[5]) >> 1) + change[5]);
       
   142     dest[6] = oil_clamp_255((((int16_t)s1[6] + (int16_t)s2[6]) >> 1) + change[6]);
       
   143     dest[7] = oil_clamp_255((((int16_t)s1[7] + (int16_t)s2[7]) >> 1) + change[7]);
       
   144 
       
   145     change += 8;
       
   146     dest += ds;
       
   147     s1 += ss1;
       
   148     s2 += ss2;
       
   149   }
       
   150 }
       
   151 
       
   152 OIL_DEFINE_IMPL_REF (recon8x8_inter2_ref, recon8x8_inter2);
       
   153 
       
   154 
       
   155 #ifdef	__SYMBIAN32__
       
   156  
       
   157 OilFunctionClass* __oil_function_class_recon8x8_intra() {
       
   158 		return &_oil_function_class_recon8x8_intra;
       
   159 }
       
   160 #endif
       
   161 
       
   162 #ifdef	__SYMBIAN32__
       
   163  
       
   164 OilFunctionClass* __oil_function_class_recon8x8_inter() {
       
   165 		return &_oil_function_class_recon8x8_inter;
       
   166 }
       
   167 #endif
       
   168 
       
   169 #ifdef	__SYMBIAN32__
       
   170  
       
   171 OilFunctionClass* __oil_function_class_recon8x8_inter2() {
       
   172 		return &_oil_function_class_recon8x8_inter2;
       
   173 }
       
   174 #endif
       
   175 
       
   176 
       
   177 
       
   178 #ifdef	__SYMBIAN32__
       
   179  
       
   180 OilFunctionImpl* __oil_function_impl_recon8x8_intra_ref() {
       
   181 		return &_oil_function_impl_recon8x8_intra_ref;
       
   182 }
       
   183 #endif
       
   184 
       
   185 #ifdef	__SYMBIAN32__
       
   186  
       
   187 OilFunctionImpl* __oil_function_impl_recon8x8_inter_ref() {
       
   188 		return &_oil_function_impl_recon8x8_inter_ref;
       
   189 }
       
   190 #endif
       
   191 
       
   192 #ifdef	__SYMBIAN32__
       
   193  
       
   194 OilFunctionImpl* __oil_function_impl_recon8x8_inter2_ref() {
       
   195 		return &_oil_function_impl_recon8x8_inter2_ref;
       
   196 }
       
   197 #endif
       
   198 
       
   199 
       
   200 
       
   201 #ifdef	__SYMBIAN32__
       
   202  
       
   203 EXPORT_C void** _oil_function_class_ptr_recon8x8_intra ()	{
       
   204 	oil_function_class_ptr_recon8x8_intra = __oil_function_class_recon8x8_intra();
       
   205 	return &oil_function_class_ptr_recon8x8_intra->func;
       
   206 	}
       
   207 #endif
       
   208 
       
   209 #ifdef	__SYMBIAN32__
       
   210  
       
   211 EXPORT_C void** _oil_function_class_ptr_recon8x8_inter ()	{
       
   212 	oil_function_class_ptr_recon8x8_inter = __oil_function_class_recon8x8_inter();
       
   213 	return &oil_function_class_ptr_recon8x8_inter->func;
       
   214 	}
       
   215 #endif
       
   216 
       
   217 #ifdef	__SYMBIAN32__
       
   218  
       
   219 EXPORT_C void** _oil_function_class_ptr_recon8x8_inter2 ()	{
       
   220 	oil_function_class_ptr_recon8x8_inter2 = __oil_function_class_recon8x8_inter2();
       
   221 	return &oil_function_class_ptr_recon8x8_inter2->func;
       
   222 	}
       
   223 #endif
       
   224