JDK14/Java14源码在线阅读
/*
* Copyright (c) 2003, 2018, 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"
/***************************************************************/
#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);
#ifdef __SUNPRO_C
#pragma pipeloop(0)
#endif /* __SUNPRO_C */
for (j = 0; j < 16; j++) {
p_dd[2*(16*i + j)] = v;
}
#ifdef __SUNPRO_C
#pragma pipeloop(0)
#endif /* __SUNPRO_C */
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;
}
#ifdef __SUNPRO_C
#pragma pipeloop(0)
#endif /* __SUNPRO_C */
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;
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;
#ifdef __SUNPRO_C
#pragma pipeloop(0)
#endif /* __SUNPRO_C */
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;
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 */
#ifdef __SUNPRO_C
#pragma pipeloop(0)
#endif /* __SUNPRO_C */
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;
#ifdef __SUNPRO_C
#pragma pipeloop(0)
#endif /* __SUNPRO_C */
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;
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];
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