| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2003 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 | /***************************************************************/ |
| 35 | void 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 | /***************************************************************/ |