| /* | |
| * Copyright (c) 2003, 2025, Oracle and/or its affiliates. All rights reserved. | |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| * | |
| * This code is free software; you can redistribute it and/or modify it | |
| * under the terms of the GNU General Public License version 2 only, as | |
| * published by the Free Software Foundation. Oracle designates this | |
| * particular file as subject to the "Classpath" exception as provided | |
| * by Oracle in the LICENSE file that accompanied this code. | |
| * | |
| * This code is distributed in the hope that it will be useful, but WITHOUT | |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| * version 2 for more details (a copy is included in the LICENSE file that | |
| * accompanied this code). | |
| * | |
| * You should have received a copy of the GNU General Public License version | |
| * 2 along with this work; if not, write to the Free Software Foundation, | |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| * | |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| * or visit www.oracle.com if you need additional information or have any | |
| * questions. | |
| */ | |
| /* | |
| * FUNCTION | |
| * mlib_ImageLookUp_Bit_U8 - table lookup | |
| * | |
| * SYNOPSIS | |
| * void mlib_ImageLookUp_Bit_U8(src, slb, | |
| * dst, dlb, | |
| * xsize, ysize, | |
| * csize, table) | |
| * | |
| * ARGUMENT | |
| * src pointer to input image (BIT) | |
| * slb stride of input image (in pixels) | |
| * dst pointer to output image (BYTE) | |
| * dlb stride of output image (in pixels) | |
| * xsize image width | |
| * ysize image height | |
| * csize number of channels | |
| * table lookup table | |
| * | |
| * DESCRIPTION | |
| * dst = table[src] (c, vis version) | |
| */ | |
| #include "mlib_image.h" | |
| #include "mlib_ImageLookUp.h" | |
| #include "safe_math.h" | |
| /***************************************************************/ | |
| #define MAX_WIDTH 512 | |
| /***************************************************************/ | |
| #ifdef i386 /* do not copy by double data type for x86 */ | |
| typedef struct { | |
| mlib_u32 int0, int1; | |
| } two_uint; | |
| #define TYPE_64BIT two_uint | |
| #define TYPE_32BIT mlib_u32 | |
| #define DTYPE two_uint | |
| #elif defined(_NO_LONGLONG) | |
| #define TYPE_64BIT mlib_d64 | |
| #define TYPE_32BIT mlib_f32 | |
| #define DTYPE mlib_d64 | |
| #else | |
| #define TYPE_64BIT mlib_d64 | |
| #define TYPE_32BIT mlib_f32 | |
| #define DTYPE mlib_u64 | |
| #endif /* i386 ( do not copy by double data type for x86 ) */ | |
| /***************************************************************/ | |
| typedef union { | |
| TYPE_64BIT d64; | |
| struct { | |
| TYPE_32BIT f0, f1; | |
| } f32s; | |
| } d64_2_f32; | |
| /***************************************************************/ | |
| #ifdef _LITTLE_ENDIAN | |
| static const mlib_u32 mlib_bit_mask[16] = { | |
| 0x00000000u, 0xFF000000u, 0x00FF0000u, 0xFFFF0000u, | |
| 0x0000FF00u, 0xFF00FF00u, 0x00FFFF00u, 0xFFFFFF00u, | |
| 0x000000FFu, 0xFF0000FFu, 0x00FF00FFu, 0xFFFF00FFu, | |
| 0x0000FFFFu, 0xFF00FFFFu, 0x00FFFFFFu, 0xFFFFFFFFu | |
| }; | |
| static const mlib_u32 mlib_bit_mask_2[4] = { | |
| 0x00000000u, 0xFFFF0000u, 0x0000FFFFu, 0xFFFFFFFFu | |
| }; | |
| static const mlib_u32 mlib_bit_mask_3[3*4] = { | |
| 0x00000000u, 0xFF000000u, 0x00FFFFFFu, 0xFFFFFFFFu, | |
| 0x00000000u, 0xFFFF0000u, 0x0000FFFFu, 0xFFFFFFFFu, | |
| 0x00000000u, 0xFFFFFF00u, 0x000000FFu, 0xFFFFFFFFu | |
| }; | |
| #else | |
| static const mlib_u32 mlib_bit_mask[16] = { | |
| 0x00000000u, 0x000000FFu, 0x0000FF00u, 0x0000FFFFu, | |
| 0x00FF0000u, 0x00FF00FFu, 0x00FFFF00u, 0x00FFFFFFu, | |
| 0xFF000000u, 0xFF0000FFu, 0xFF00FF00u, 0xFF00FFFFu, | |
| 0xFFFF0000u, 0xFFFF00FFu, 0xFFFFFF00u, 0xFFFFFFFFu | |
| }; | |
| static const mlib_u32 mlib_bit_mask_2[4] = { | |
| 0x00000000u, 0x0000FFFFu, 0xFFFF0000u, 0xFFFFFFFFu | |
| }; | |
| static const mlib_u32 mlib_bit_mask_3[3*4] = { | |
| 0x00000000u, 0x000000FFu, 0xFFFFFF00u, 0xFFFFFFFFu, | |
| 0x00000000u, 0x0000FFFFu, 0xFFFF0000u, 0xFFFFFFFFu, | |
| 0x00000000u, 0x00FFFFFFu, 0xFF000000u, 0xFFFFFFFFu | |
| }; | |
| #endif /* _LITTLE_ENDIAN */ | |
| /***************************************************************/ | |
| mlib_status mlib_ImageLookUp_Bit_U8_1(const mlib_u8 *src, | |
| mlib_s32 slb, | |
| mlib_u8 *dst, | |
| mlib_s32 dlb, | |
| mlib_s32 xsize, | |
| mlib_s32 ysize, | |
| mlib_s32 nchan, | |
| mlib_s32 bitoff, | |
| const mlib_u8 **table) | |
| { | |
| mlib_s32 i, j, n; | |
| TYPE_64BIT dd_array[256]; | |
| mlib_u8 buff_lcl[MAX_WIDTH/8]; | |
| mlib_u8 *buff = (mlib_u8*)buff_lcl; | |
| mlib_u32 val0, val1, *p_dd = (mlib_u32*)dd_array; | |
| if (xsize > MAX_WIDTH) { | |
| buff = mlib_malloc((xsize + 7)/8); | |
| if (buff == NULL) return MLIB_FAILURE; | |
| } | |
| val0 = table[0][0]; | |
| val1 = table[0][1]; | |
| val0 |= (val0 << 8); | |
| val1 |= (val1 << 8); | |
| val0 |= (val0 << 16); | |
| val1 |= (val1 << 16); | |
| /* calculate lookup table */ | |
| for (i = 0; i < 16; i++) { | |
| mlib_u32 v, mask = mlib_bit_mask[i]; | |
| v = (val0 &~ mask) | (val1 & mask); | |
| for (j = 0; j < 16; j++) { | |
| p_dd[2*(16*i + j)] = v; | |
| } | |
| for (j = 0; j < 16; j++) { | |
| p_dd[2*(i + 16*j) + 1] = v; | |
| } | |
| } | |
| for (j = 0; j < ysize; j++) { | |
| mlib_s32 s0, size = xsize; | |
| mlib_u8 *dp = dst; | |
| mlib_u8 *sp = (void *)src; | |
| mlib_u8 *sa; | |
| TYPE_64BIT *da; | |
| mlib_s32 doff, boff = bitoff; | |
| if ((mlib_addr)dp & 7) { | |
| /* result of (dp & 7) certainly fits into mlib_s32 */ | |
| doff = 8 - ((mlib_s32) ((mlib_addr)dp & 7)); | |
| if (doff > xsize) doff = xsize; | |
| for (n = 0; n < doff; n++) { | |
| dp[n] = table[0][(sp[0] >> (7 - boff)) & 0x1]; | |
| boff++; | |
| if (boff >= 8) { | |
| sp++; | |
| boff -= 8; | |
| } | |
| size--; | |
| } | |
| dp += doff; | |
| } | |
| if (boff) { | |
| mlib_ImageCopy_bit_na(sp, buff, size, boff, 0); | |
| sp = buff; | |
| } | |
| sa = (mlib_u8*)sp; | |
| da = (TYPE_64BIT*)dp; | |
| i = 0; | |
| if ((mlib_addr)sa & 1 && size >= 8) { | |
| *da++ = dd_array[*sa++]; | |
| i += 8; | |
| } | |
| for (; i <= (size - 16); i += 16) { | |
| s0 = *(mlib_u16*)sa; | |
| #ifdef _LITTLE_ENDIAN | |
| *da++ = dd_array[s0 & 0xFF]; | |
| *da++ = dd_array[s0 >> 8]; | |
| #else | |
| *da++ = dd_array[s0 >> 8]; | |
| *da++ = dd_array[s0 & 0xFF]; | |
| #endif /* _LITTLE_ENDIAN */ | |
| sa += 2; | |
| } | |
| if (i <= (size - 8)) { | |
| *da++ = dd_array[*sa++]; | |
| i += 8; | |
| } | |
| if (i < size) { | |
| #ifdef _NO_LONGLONG | |
| mlib_u32 emask; | |
| val0 = sa[0]; | |
| val1 = p_dd[2*val0]; | |
| if (i < (size - 4)) { | |
| ((mlib_u32*)da)[0] = val1; | |
| da = (TYPE_64BIT *) ((mlib_u8 *)da + 4); | |
| i += 4; | |
| val1 = p_dd[2*val0+1]; | |
| } | |
| #ifdef _LITTLE_ENDIAN | |
| emask = (~(mlib_u32)0) >> ((4 - (size - i)) * 8); | |
| #else | |
| emask = (~(mlib_u32)0) << ((4 - (size - i)) * 8); | |
| #endif /* _LITTLE_ENDIAN */ | |
| ((mlib_u32*)da)[0] = (val1 & emask) | (((mlib_u32*)da)[0] &~ emask); | |
| #else /* _NO_LONGLONG */ | |
| #ifdef _LITTLE_ENDIAN | |
| mlib_u64 emask = (~(mlib_u64)0) >> ((8 - (size - i)) * 8); | |
| #else | |
| mlib_u64 emask = (~(mlib_u64)0) << ((8 - (size - i)) * 8); | |
| #endif /* _LITTLE_ENDIAN */ | |
| ((mlib_u64*)da)[0] = (((mlib_u64*)dd_array)[sa[0]] & emask) | (((mlib_u64*)da)[0] &~ emask); | |
| #endif /* _NO_LONGLONG */ | |
| } | |
| src += slb; | |
| dst += dlb; | |
| } | |
| if (buff != (mlib_u8*)buff_lcl) mlib_free(buff); | |
| return MLIB_SUCCESS; | |
| } | |
| /***************************************************************/ | |
| mlib_status mlib_ImageLookUp_Bit_U8_2(const mlib_u8 *src, | |
| mlib_s32 slb, | |
| mlib_u8 *dst, | |
| mlib_s32 dlb, | |
| mlib_s32 xsize, | |
| mlib_s32 ysize, | |
| mlib_s32 nchan, | |
| mlib_s32 bitoff, | |
| const mlib_u8 **table) | |
| { | |
| mlib_s32 i, j; | |
| mlib_s32 s0, size; | |
| #ifdef _NO_LONGLONG | |
| mlib_u32 emask, dd1, dd2; | |
| #else /* _NO_LONGLONG */ | |
| mlib_u64 emask, dd; | |
| #endif /* _NO_LONGLONG */ | |
| DTYPE dd_array[16]; | |
| mlib_u32 *p_dd = (mlib_u32*)dd_array; | |
| mlib_d64 buff_lcl[(MAX_WIDTH + MAX_WIDTH/8)/8]; | |
| mlib_u8 *buff = (mlib_u8*)buff_lcl, *buffs; | |
| mlib_u32 val0, val1; | |
| if (!SAFE_TO_MULT(xsize, 2)) { | |
| return MLIB_FAILURE; | |
| } | |
| size = xsize * 2; | |
| if (size > MAX_WIDTH) { | |
| buff = mlib_malloc(size + (size + 7)/8); | |
| if (buff == NULL) return MLIB_FAILURE; | |
| } | |
| buffs = buff + size; | |
| val0 = table[0][0]; | |
| val1 = table[0][1]; | |
| #ifdef _LITTLE_ENDIAN | |
| val0 = val0 | (table[1][0] << 8); | |
| val1 = val1 | (table[1][1] << 8); | |
| #else | |
| val0 = (val0 << 8) | table[1][0]; | |
| val1 = (val1 << 8) | table[1][1]; | |
| #endif /* _LITTLE_ENDIAN */ | |
| val0 |= (val0 << 16); | |
| val1 |= (val1 << 16); | |
| /* calculate lookup table */ | |
| for (i = 0; i < 4; i++) { | |
| mlib_u32 v, mask = mlib_bit_mask_2[i]; | |
| v = (val0 &~ mask) | (val1 & mask); | |
| for (j = 0; j < 4; j++) { | |
| p_dd[2*(4*i + j)] = v; | |
| p_dd[2*(i + 4*j) + 1] = v; | |
| } | |
| } | |
| for (j = 0; j < ysize; j++) { | |
| mlib_u8 *dp = dst; | |
| mlib_u8 *sp = (void *)src; | |
| mlib_u8 *sa; | |
| DTYPE *da; | |
| if ((mlib_addr)dp & 7) dp = buff; | |
| if (bitoff) { | |
| mlib_ImageCopy_bit_na(sp, buffs, size, bitoff, 0); | |
| sp = buffs; | |
| } | |
| sa = (mlib_u8*)sp; | |
| da = (DTYPE*)dp; | |
| for (i = 0; i <= (size - 16); i += 16) { | |
| s0 = *sa++; | |
| *da++ = dd_array[s0 >> 4]; | |
| *da++ = dd_array[s0 & 0xF]; | |
| } | |
| if (i < size) { | |
| s0 = *sa++; | |
| #ifdef _NO_LONGLONG | |
| dd1 = p_dd[2*(s0 >> 4)]; | |
| dd2 = p_dd[2*(s0 >> 4)+1]; | |
| if (i < (size - 8)) { | |
| ((mlib_u32*)da)[0] = dd1; | |
| ((mlib_u32*)da)[1] = dd2; | |
| da++; | |
| i += 8; | |
| dd1 = p_dd[2*(s0 & 0xf)]; | |
| dd2 = p_dd[2*(s0 & 0xf)+1]; | |
| } | |
| if (i < (size - 4)) { | |
| ((mlib_u32*)da)[0] = dd1; | |
| da = (DTYPE *) ((mlib_u8 *)da + 4); | |
| i += 4; | |
| dd1 = dd2; | |
| } | |
| #ifdef _LITTLE_ENDIAN | |
| emask = (~(mlib_u32)0) >> ((4 - (size - i)) * 8); | |
| #else | |
| emask = (~(mlib_u32)0) << ((4 - (size - i)) * 8); | |
| #endif /* _LITTLE_ENDIAN */ | |
| ((mlib_u32*)da)[0] = (dd1 & emask) | (((mlib_u32*)da)[0] &~ emask); | |
| #else /* _NO_LONGLONG */ | |
| dd = ((mlib_u64*)dd_array)[s0 >> 4]; | |
| if (i < (size - 8)) { | |
| ((mlib_u64*)da)[0] = dd; | |
| da++; | |
| i += 8; | |
| dd = ((mlib_u64*)dd_array)[s0 & 0xf]; | |
| } | |
| #ifdef _LITTLE_ENDIAN | |
| emask = (~(mlib_u64)0) >> ((8 - (size - i)) * 8); | |
| #else | |
| emask = (~(mlib_u64)0) << ((8 - (size - i)) * 8); | |
| #endif /* _LITTLE_ENDIAN */ | |
| ((mlib_u64*)da)[0] = (dd & emask) | (((mlib_u64*)da)[0] &~ emask); | |
| #endif /* _NO_LONGLONG */ | |
| } | |
| if (dp != dst) mlib_ImageCopy_na(dp, dst, size); | |
| src += slb; | |
| dst += dlb; | |
| } | |
| if (buff != (mlib_u8*)buff_lcl) mlib_free(buff); | |
| return MLIB_SUCCESS; | |
| } | |
| /***************************************************************/ | |
| mlib_status mlib_ImageLookUp_Bit_U8_3(const mlib_u8 *src, | |
| mlib_s32 slb, | |
| mlib_u8 *dst, | |
| mlib_s32 dlb, | |
| mlib_s32 xsize, | |
| mlib_s32 ysize, | |
| mlib_s32 nchan, | |
| mlib_s32 bitoff, | |
| const mlib_u8 **table) | |
| { | |
| mlib_s32 i, j; | |
| mlib_s32 s0, size; | |
| mlib_u32 emask, dd; | |
| TYPE_64BIT d_array01[16], d_array12[16]; | |
| TYPE_64BIT buff_lcl[(MAX_WIDTH + MAX_WIDTH/8)/8]; | |
| mlib_u8 *buff = (mlib_u8*)buff_lcl, *buffs; | |
| mlib_u32 l0, h0, v0, l1, h1, v1, l2, h2, v2; | |
| if (!SAFE_TO_MULT(3, xsize)) { | |
| return MLIB_FAILURE; | |
| } | |
| size = 3 * xsize; | |
| if (size > MAX_WIDTH) { | |
| buff = mlib_malloc(size + (size + 7)/8); | |
| if (buff == NULL) return MLIB_FAILURE; | |
| } | |
| buffs = buff + size; | |
| #ifdef _LITTLE_ENDIAN | |
| l0 = (table[0][0] << 24) | (table[2][0] << 16) | (table[1][0] << 8) | (table[0][0]); | |
| h0 = (table[0][1] << 24) | (table[2][1] << 16) | (table[1][1] << 8) | (table[0][1]); | |
| l1 = (l0 >> 8); l1 |= (l1 << 24); | |
| h1 = (h0 >> 8); h1 |= (h1 << 24); | |
| l2 = (l1 >> 8); l2 |= (l2 << 24); | |
| h2 = (h1 >> 8); h2 |= (h2 << 24); | |
| #else | |
| l0 = (table[0][0] << 24) | (table[1][0] << 16) | (table[2][0] << 8) | (table[0][0]); | |
| h0 = (table[0][1] << 24) | (table[1][1] << 16) | (table[2][1] << 8) | (table[0][1]); | |
| l1 = (l0 << 8); l1 |= (l1 >> 24); | |
| h1 = (h0 << 8); h1 |= (h1 >> 24); | |
| l2 = (l1 << 8); l2 |= (l2 >> 24); | |
| h2 = (h1 << 8); h2 |= (h2 >> 24); | |
| #endif /* _LITTLE_ENDIAN */ | |
| /* calculate lookup table */ | |
| for (i = 0; i < 16; i++) { | |
| mlib_u32 mask0 = mlib_bit_mask_3[i >> 2]; | |
| mlib_u32 mask1 = mlib_bit_mask_3[4 + ((i >> 1) & 3)]; | |
| mlib_u32 mask2 = mlib_bit_mask_3[8 + (i & 3)]; | |
| v0 = (l0 &~ mask0) | (h0 & mask0); | |
| v1 = (l1 &~ mask1) | (h1 & mask1); | |
| v2 = (l2 &~ mask2) | (h2 & mask2); | |
| ((mlib_u32*)d_array01)[2*i ] = v0; | |
| ((mlib_u32*)d_array01)[2*i + 1] = v1; | |
| ((mlib_u32*)d_array12)[2*i ] = v1; | |
| ((mlib_u32*)d_array12)[2*i + 1] = v2; | |
| } | |
| for (j = 0; j < ysize; j++) { | |
| mlib_u8 *dp = dst; | |
| mlib_u8 *sp = (void *)src; | |
| mlib_u8 *sa; | |
| mlib_u32 *da; | |
| if ((mlib_addr)dp & 7) dp = buff; | |
| if (bitoff) { | |
| mlib_ImageCopy_bit_na(sp, buffs, size, bitoff, 0); | |
| sp = buffs; | |
| } | |
| sa = (mlib_u8*)sp; | |
| da = (mlib_u32*)dp; | |
| for (i = 0; i <= (size - 24); i += 24) { | |
| d64_2_f32 dd; | |
| s0 = *sa++; | |
| ((TYPE_64BIT*)da)[0] = *(d_array01 + (s0 >> 4)); | |
| dd.f32s.f0 = ((TYPE_32BIT*)(d_array12 + (s0 >> 4)))[1]; | |
| dd.f32s.f1 = ((TYPE_32BIT*)(d_array01 + (s0 & 0xF)))[0]; | |
| ((TYPE_64BIT*)da)[1] = dd.d64; | |
| ((TYPE_64BIT*)da)[2] = *(d_array12 + (s0 & 0xF)); | |
| da += 6; | |
| } | |
| if (i < size) { | |
| s0 = *sa++; | |
| dd = ((mlib_u32*)(d_array01 + (s0 >> 4)))[0]; | |
| if (i < (size - 4)) { | |
| *da++ = dd; | |
| i += 4; | |
| dd = ((mlib_u32*)(d_array12 + (s0 >> 4)))[0]; | |
| } | |
| if (i < (size - 4)) { | |
| *da++ = dd; | |
| i += 4; | |
| dd = ((mlib_u32*)(d_array12 + (s0 >> 4)))[1]; | |
| } | |
| if (i < (size - 4)) { | |
| *da++ = dd; | |
| i += 4; | |
| dd = ((mlib_u32*)(d_array01 + (s0 & 0xF)))[0]; | |
| } | |
| if (i < (size - 4)) { | |
| *da++ = dd; | |
| i += 4; | |
| dd = ((mlib_u32*)(d_array12 + (s0 & 0xF)))[0]; | |
| } | |
| if (i < (size - 4)) { | |
| *da++ = dd; | |
| i += 4; | |
| dd = ((mlib_u32*)(d_array12 + (s0 & 0xF)))[1]; | |
| } | |
| #ifdef _LITTLE_ENDIAN | |
| emask = (~(mlib_u32)0) >> ((4 - (size - i)) * 8); | |
| #else | |
| emask = (~(mlib_u32)0) << ((4 - (size - i)) * 8); | |
| #endif /* _LITTLE_ENDIAN */ | |
| da[0] = (dd & emask) | (da[0] &~ emask); | |
| } | |
| if (dp != dst) mlib_ImageCopy_na(dp, dst, size); | |
| src += slb; | |
| dst += dlb; | |
| } | |
| if (buff != (mlib_u8*)buff_lcl) mlib_free(buff); | |
| return MLIB_SUCCESS; | |
| } | |
| /***************************************************************/ | |
| mlib_status mlib_ImageLookUp_Bit_U8_4(const mlib_u8 *src, | |
| mlib_s32 slb, | |
| mlib_u8 *dst, | |
| mlib_s32 dlb, | |
| mlib_s32 xsize, | |
| mlib_s32 ysize, | |
| mlib_s32 nchan, | |
| mlib_s32 bitoff, | |
| const mlib_u8 **table) | |
| { | |
| mlib_s32 i, j; | |
| mlib_s32 s0, size; | |
| DTYPE dd_array0[16], dd_array1[16], lh[4], dd; | |
| mlib_d64 buff_lcl[(MAX_WIDTH + MAX_WIDTH/8)/8]; | |
| mlib_u8 *buff = (mlib_u8*)buff_lcl, *buffs; | |
| mlib_u32 l, h; | |
| if (!SAFE_TO_MULT(xsize, 4)) { | |
| return MLIB_FAILURE; | |
| } | |
| size = xsize * 4; | |
| if (size > MAX_WIDTH) { | |
| buff = mlib_malloc(size + (size + 7)/8); | |
| if (buff == NULL) return MLIB_FAILURE; | |
| } | |
| buffs = buff + size; | |
| #ifdef _LITTLE_ENDIAN | |
| l = (table[3][0] << 24) | (table[2][0] << 16) | (table[1][0] << 8) | (table[0][0]); | |
| h = (table[3][1] << 24) | (table[2][1] << 16) | (table[1][1] << 8) | (table[0][1]); | |
| #else | |
| l = (table[0][0] << 24) | (table[1][0] << 16) | (table[2][0] << 8) | (table[3][0]); | |
| h = (table[0][1] << 24) | (table[1][1] << 16) | (table[2][1] << 8) | (table[3][1]); | |
| #endif /* _LITTLE_ENDIAN */ | |
| ((mlib_u32*)lh)[0] = l; ((mlib_u32*)lh)[1] = l; | |
| ((mlib_u32*)lh)[2] = l; ((mlib_u32*)lh)[3] = h; | |
| ((mlib_u32*)lh)[4] = h; ((mlib_u32*)lh)[5] = l; | |
| ((mlib_u32*)lh)[6] = h; ((mlib_u32*)lh)[7] = h; | |
| /* calculate lookup table */ | |
| dd_array0[ 0] = lh[0]; dd_array1[ 0] = lh[0]; | |
| dd_array0[ 1] = lh[0]; dd_array1[ 1] = lh[1]; | |
| dd_array0[ 2] = lh[0]; dd_array1[ 2] = lh[2]; | |
| dd_array0[ 3] = lh[0]; dd_array1[ 3] = lh[3]; | |
| dd_array0[ 4] = lh[1]; dd_array1[ 4] = lh[0]; | |
| dd_array0[ 5] = lh[1]; dd_array1[ 5] = lh[1]; | |
| dd_array0[ 6] = lh[1]; dd_array1[ 6] = lh[2]; | |
| dd_array0[ 7] = lh[1]; dd_array1[ 7] = lh[3]; | |
| dd_array0[ 8] = lh[2]; dd_array1[ 8] = lh[0]; | |
| dd_array0[ 9] = lh[2]; dd_array1[ 9] = lh[1]; | |
| dd_array0[10] = lh[2]; dd_array1[10] = lh[2]; | |
| dd_array0[11] = lh[2]; dd_array1[11] = lh[3]; | |
| dd_array0[12] = lh[3]; dd_array1[12] = lh[0]; | |
| dd_array0[13] = lh[3]; dd_array1[13] = lh[1]; | |
| dd_array0[14] = lh[3]; dd_array1[14] = lh[2]; | |
| dd_array0[15] = lh[3]; dd_array1[15] = lh[3]; | |
| for (j = 0; j < ysize; j++) { | |
| mlib_u8 *dp = dst; | |
| mlib_u8 *sp = (void *)src; | |
| mlib_u8 *sa; | |
| DTYPE *da; | |
| if ((mlib_addr)dp & 7) dp = buff; | |
| if (bitoff) { | |
| mlib_ImageCopy_bit_na(sp, buffs, size, bitoff, 0); | |
| sp = buffs; | |
| } | |
| sa = (mlib_u8*)sp; | |
| da = (DTYPE*)dp; | |
| for (i = 0; i <= (size - 32); i += 32) { | |
| s0 = *sa++; | |
| *da++ = dd_array0[s0 >> 4]; | |
| *da++ = dd_array1[s0 >> 4]; | |
| *da++ = dd_array0[s0 & 0xF]; | |
| *da++ = dd_array1[s0 & 0xF]; | |
| } | |
| if (i < size) { | |
| s0 = *sa++; | |
| dd = dd_array0[s0 >> 4]; | |
| if (i <= (size - 8)) { | |
| *da++ = dd; | |
| i += 8; | |
| dd = dd_array1[s0 >> 4]; | |
| } | |
| if (i <= (size - 8)) { | |
| *da++ = dd; | |
| i += 8; | |
| dd = dd_array0[s0 & 0xF]; | |
| } | |
| if (i <= (size - 8)) { | |
| *da++ = dd; | |
| i += 8; | |
| dd = dd_array1[s0 & 0xF]; | |
| } | |
| if (i < size) { | |
| *(mlib_u32*)da = *(mlib_u32*) & dd; | |
| } | |
| } | |
| if (dp != dst) mlib_ImageCopy_na(dp, dst, size); | |
| src += slb; | |
| dst += dlb; | |
| } | |
| if (buff != (mlib_u8*)buff_lcl) mlib_free(buff); | |
| return MLIB_SUCCESS; | |
| } | |
| /***************************************************************/ |