1/*
2 * Copyright (c) 1998, 2003, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26
27
28#include "mlib_image.h"
29#include "mlib_v_ImageLookUpFunc.h"
30
31/***************************************************************/
32#define HALF_U64        (MLIB_U64_CONST(2147483648) * sizeof(table[0][0]))
33
34/***************************************************************/
35void mlib_v_ImageLookUp_S32_S32(const mlib_s32 *src,
36                                mlib_s32       slb,
37                                mlib_s32       *dst,
38                                mlib_s32       dlb,
39                                mlib_s32       xsize,
40                                mlib_s32       ysize,
41                                const mlib_s32 **table,
42                                mlib_s32       csize)
43{
44  mlib_s32 i, j, k;
45
46  dlb >>= 2; slb >>= 2;
47
48  if (xsize < 2) {
49    for(j = 0; j < ysize; j++, dst += dlb, src += slb){
50      for(k = 0; k < csize; k++) {
51        mlib_s32 *da = dst + k;
52        const mlib_s32 *sa = src + k;
53        const mlib_s32 *tab = (void *)&(((mlib_u8 **)table)[k][HALF_U64]);
54
55        for(i = 0; i < xsize; i++, da += csize, sa += csize)
56        *da=tab[*sa];
57      }
58    }
59
60  } else {
61    for(j = 0; j < ysize; j++, dst += dlb, src += slb) {
62#pragma pipeloop(0)
63      for(k = 0; k < csize; k++) {
64        mlib_s32 *da = dst + k;
65        const mlib_s32 *sa = src + k;
66        const mlib_s32 *tab = (void *)&(((mlib_u8 **)table)[k][HALF_U64]);
67        mlib_s32 s0, t0, s1, t1;
68
69        s0 = sa[0];
70        s1 = sa[csize];
71        sa += 2*csize;
72
73        for(i = 0; i < xsize - 3; i+=2, da += 2*csize, sa += 2*csize) {
74          t0 = tab[s0];
75          t1 = tab[s1];
76          s0 = sa[0];
77          s1 = sa[csize];
78          da[0] = t0;
79          da[csize] = t1;
80        }
81
82        t0 = tab[s0];
83        t1 = tab[s1];
84        da[0] = t0;
85        da[csize] = t1;
86
87        if (xsize & 1) da[2*csize] = tab[sa[0]];
88      }
89    }
90  }
91}
92
93/***************************************************************/
94