/*
* Copyright (c) 1998, 2003, 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.
*/
#include "vis_proto.h"
#include "mlib_image.h"
#include "mlib_v_ImageLookUpFunc.h"
/***************************************************************/
static void mlib_v_ImageLookUp_U8_S32_124_D1(const mlib_u8 *src,
mlib_f32 *dst,
mlib_s32 xsize,
const mlib_f32 *table0,
const mlib_f32 *table1,
const mlib_f32 *table2,
const mlib_f32 *table3);
static void mlib_v_ImageLookUp_U8_S32_3_D1(const mlib_u8 *src,
mlib_f32 *dst,
mlib_s32 xsize,
const mlib_f32 *table0,
const mlib_f32 *table1,
const mlib_f32 *table2);
/***************************************************************/
void mlib_v_ImageLookUp_U8_S32_124_D1(const mlib_u8 *src,
mlib_f32 *dst,
mlib_s32 xsize,
const mlib_f32 *table0,
const mlib_f32 *table1,
const mlib_f32 *table2,
const mlib_f32 *table3)
{
mlib_u32 *sa; /* aligned pointer to source data */
mlib_u8 *sp; /* pointer to source data */
mlib_u32 s0; /* source data */
mlib_f32 *dp; /* aligned pointer to destination */
mlib_f32 acc0, acc1; /* destination data */
mlib_f32 acc2, acc3; /* destination data */
mlib_s32 i; /* loop variable */
mlib_u32 s00, s01, s02, s03;
sa = (mlib_u32 *) src;
dp = dst;
i = 0;
if (xsize >= 4) {
s0 = *sa++;
s00 = (s0 >> 22) & 0x3FC;
s01 = (s0 >> 14) & 0x3FC;
#pragma pipeloop(0)
for (i = 0; i <= xsize - 8; i += 4, dp += 4) {
s02 = (s0 >> 6) & 0x3FC;
s03 = (s0 << 2) & 0x3FC;
acc0 = *(mlib_f32 *) ((mlib_u8 *) table0 + s00);
acc1 = *(mlib_f32 *) ((mlib_u8 *) table1 + s01);
acc2 = *(mlib_f32 *) ((mlib_u8 *) table2 + s02);
acc3 = *(mlib_f32 *) ((mlib_u8 *) table3 + s03);
s0 = *sa++;
s00 = (s0 >> 22) & 0x3FC;
s01 = (s0 >> 14) & 0x3FC;
dp[0] = acc0;
dp[1] = acc1;
dp[2] = acc2;
dp[3] = acc3;
}
s02 = (s0 >> 6) & 0x3FC;
s03 = (s0 << 2) & 0x3FC;
acc0 = *(mlib_f32 *) ((mlib_u8 *) table0 + s00);
acc1 = *(mlib_f32 *) ((mlib_u8 *) table1 + s01);
acc2 = *(mlib_f32 *) ((mlib_u8 *) table2 + s02);
acc3 = *(mlib_f32 *) ((mlib_u8 *) table3 + s03);
dp[0] = acc0;
dp[1] = acc1;
dp[2] = acc2;
dp[3] = acc3;
dp += 4;
i += 4;
}
sp = (mlib_u8 *) sa;
if (i < xsize) {
*dp++ = table0[sp[0]];
i++;
sp++;
}
if (i < xsize) {
*dp++ = table1[sp[0]];
i++;
sp++;
}
if (i < xsize) {
*dp++ = table2[sp[0]];
}
}
/***************************************************************/
void mlib_v_ImageLookUp_U8_S32_1(const mlib_u8 *src,
mlib_s32 slb,
mlib_s32 *dst,
mlib_s32 dlb,
mlib_s32 xsize,
mlib_s32 ysize,
const mlib_s32 **table)
{
mlib_u8 *sl;
mlib_s32 *dl;
mlib_f32 *tab = (mlib_f32 *) table[0];
mlib_s32 j, i;
sl = (void *)src;
dl = dst;
/* row loop */
for (j = 0; j < ysize; j++) {
mlib_u8 *sp = sl;
mlib_f32 *dp = (mlib_f32 *) dl;
mlib_s32 off, size = xsize;
off = (mlib_s32) ((4 - ((mlib_addr) sp & 3)) & 3);
off = (off < size) ? off : size;
for (i = 0; i < off; i++) {
*dp++ = tab[(*sp++)];
size--;
}
if (size > 0) {
mlib_v_ImageLookUp_U8_S32_124_D1(sp, dp, size, tab, tab, tab, tab);
}
sl = (mlib_u8 *) ((mlib_u8 *) sl + slb);
dl = (mlib_s32 *) ((mlib_u8 *) dl + dlb);
}
}
/***************************************************************/
void mlib_v_ImageLookUp_U8_S32_2(const mlib_u8 *src,
mlib_s32 slb,
mlib_s32 *dst,
mlib_s32 dlb,
mlib_s32 xsize,
mlib_s32 ysize,
const mlib_s32 **table)
{
mlib_u8 *sl;
mlib_s32 *dl;
mlib_f32 *tab;
mlib_s32 j, i;
sl = (void *)src;
dl = dst;
/* row loop */
for (j = 0; j < ysize; j++) {
mlib_u8 *sp = sl;
mlib_f32 *dp = (mlib_f32 *) dl;
mlib_s32 off, size = xsize * 2;
mlib_f32 *tab0 = (mlib_f32 *) table[0];
mlib_f32 *tab1 = (mlib_f32 *) table[1];
off = (mlib_s32) ((4 - ((mlib_addr) sp & 3)) & 3);
off = (off < size) ? off : size;
for (i = 0; i < off - 1; i += 2) {
*dp++ = tab0[(*sp++)];
*dp++ = tab1[(*sp++)];
size -= 2;
}
if ((off & 1) != 0) {
*dp++ = tab0[(*sp++)];
size--;
tab = tab0;
tab0 = tab1;
tab1 = tab;
}
if (size > 0) {
mlib_v_ImageLookUp_U8_S32_124_D1(sp, dp, size, tab0, tab1, tab0, tab1);
}
sl = (mlib_u8 *) ((mlib_u8 *) sl + slb);
dl = (mlib_s32 *) ((mlib_u8 *) dl + dlb);
}
}
/***************************************************************/
void mlib_v_ImageLookUp_U8_S32_4(const mlib_u8 *src,
mlib_s32 slb,
mlib_s32 *dst,
mlib_s32 dlb,
mlib_s32 xsize,
mlib_s32 ysize,
const mlib_s32 **table)
{
mlib_u8 *sl;
mlib_s32 *dl;
mlib_f32 *tab;
mlib_s32 j;
sl = (void *)src;
dl = dst;
/* row loop */
for (j = 0; j < ysize; j++) {
mlib_u8 *sp = sl;
mlib_f32 *dp = (mlib_f32 *) dl;
mlib_f32 *tab0 = (mlib_f32 *) table[0];
mlib_f32 *tab1 = (mlib_f32 *) table[1];
mlib_f32 *tab2 = (mlib_f32 *) table[2];
mlib_f32 *tab3 = (mlib_f32 *) table[3];
mlib_s32 off, size = xsize * 4;
off = (mlib_s32) ((4 - ((mlib_addr) sp & 3)) & 3);
off = (off < size) ? off : size;
if (off == 1) {
*dp++ = tab0[(*sp++)];
tab = tab0;
tab0 = tab1;
tab1 = tab2;
tab2 = tab3;
tab3 = tab;
size--;
}
else if (off == 2) {
*dp++ = tab0[(*sp++)];
*dp++ = tab1[(*sp++)];
tab = tab0;
tab0 = tab2;
tab2 = tab;
tab = tab1;
tab1 = tab3;
tab3 = tab;
size -= 2;
}
else if (off == 3) {
*dp++ = tab0[(*sp++)];
*dp++ = tab1[(*sp++)];
*dp++ = tab2[(*sp++)];
tab = tab3;
tab3 = tab2;
tab2 = tab1;
tab1 = tab0;
tab0 = tab;
size -= 3;
}
if (size > 0) {
mlib_v_ImageLookUp_U8_S32_124_D1(sp, dp, size, tab0, tab1, tab2, tab3);
}
sl = (mlib_u8 *) ((mlib_u8 *) sl + slb);
dl = (mlib_s32 *) ((mlib_u8 *) dl + dlb);
}
}
/***************************************************************/
void mlib_v_ImageLookUp_U8_S32_3_D1(const mlib_u8 *src,
mlib_f32 *dst,
mlib_s32 xsize,
const mlib_f32 *table0,
const mlib_f32 *table1,
const mlib_f32 *table2)
{
mlib_u32 *sa; /* aligned pointer to source data */
mlib_u8 *sp; /* pointer to source data */
mlib_u32 s0; /* source data */
mlib_f32 *dp; /* aligned pointer to destination */
mlib_f32 acc0, acc1; /* destination data */
mlib_f32 acc2, acc3; /* destination data */
mlib_s32 i; /* loop variable */
const mlib_f32 *table;
mlib_u32 s00, s01, s02, s03;
sa = (mlib_u32 *) src;
dp = dst;
i = 0;
if (xsize >= 4) {
s0 = *sa++;
s00 = (s0 >> 22) & 0x3FC;
s01 = (s0 >> 14) & 0x3FC;
#pragma pipeloop(0)
for (i = 0; i <= xsize - 8; i += 4, dp += 4) {
s02 = (s0 >> 6) & 0x3FC;
s03 = (s0 << 2) & 0x3FC;
acc0 = *(mlib_f32 *) ((mlib_u8 *) table0 + s00);
acc1 = *(mlib_f32 *) ((mlib_u8 *) table1 + s01);
acc2 = *(mlib_f32 *) ((mlib_u8 *) table2 + s02);
acc3 = *(mlib_f32 *) ((mlib_u8 *) table0 + s03);
s0 = *sa++;
s00 = (s0 >> 22) & 0x3FC;
s01 = (s0 >> 14) & 0x3FC;
table = table0;
table0 = table1;
table1 = table2;
table2 = table;
dp[0] = acc0;
dp[1] = acc1;
dp[2] = acc2;
dp[3] = acc3;
}
s02 = (s0 >> 6) & 0x3FC;
s03 = (s0 << 2) & 0x3FC;
acc0 = *(mlib_f32 *) ((mlib_u8 *) table0 + s00);
acc1 = *(mlib_f32 *) ((mlib_u8 *) table1 + s01);
acc2 = *(mlib_f32 *) ((mlib_u8 *) table2 + s02);
acc3 = *(mlib_f32 *) ((mlib_u8 *) table0 + s03);
dp[0] = acc0;
dp[1] = acc1;
dp[2] = acc2;
dp[3] = acc3;
table = table0;
table0 = table1;
table1 = table2;
table2 = table;
dp += 4;
i += 4;
}
sp = (mlib_u8 *) sa;
if (i < xsize) {
*dp++ = table0[sp[0]];
i++;
sp++;
}
if (i < xsize) {
*dp++ = table1[sp[0]];
i++;
sp++;
}
if (i < xsize) {
*dp++ = table2[sp[0]];
}
}
/***************************************************************/
void mlib_v_ImageLookUp_U8_S32_3(const mlib_u8 *src,
mlib_s32 slb,
mlib_s32 *dst,
mlib_s32 dlb,
mlib_s32 xsize,
mlib_s32 ysize,
const mlib_s32 **table)
{
mlib_u8 *sl;
mlib_s32 *dl;
mlib_f32 *tab;
mlib_s32 j;
sl = (void *)src;
dl = dst;
/* row loop */
for (j = 0; j < ysize; j++) {
mlib_u8 *sp = sl;
mlib_f32 *dp = (mlib_f32 *) dl;
mlib_f32 *tab0 = (mlib_f32 *) table[0];
mlib_f32 *tab1 = (mlib_f32 *) table[1];
mlib_f32 *tab2 = (mlib_f32 *) table[2];
mlib_s32 off, size = xsize * 3;
off = (mlib_s32) ((4 - ((mlib_addr) sp & 3)) & 3);
off = (off < size) ? off : size;
if (off == 1) {
*dp++ = tab0[(*sp++)];
tab = tab0;
tab0 = tab1;
tab1 = tab2;
tab2 = tab;
size--;
}
else if (off == 2) {
*dp++ = tab0[(*sp++)];
*dp++ = tab1[(*sp++)];
tab = tab2;
tab2 = tab1;
tab1 = tab0;
tab0 = tab;
size -= 2;
}
else if (off == 3) {
*dp++ = tab0[(*sp++)];
*dp++ = tab1[(*sp++)];
*dp++ = tab2[(*sp++)];
size -= 3;
}
if (size > 0) {
mlib_v_ImageLookUp_U8_S32_3_D1(sp, dp, size, tab0, tab1, tab2);
}
sl = (mlib_u8 *) ((mlib_u8 *) sl + slb);
dl = (mlib_s32 *) ((mlib_u8 *) dl + dlb);
}
}
/***************************************************************/