| /* |
| * Copyright (c) 2000, 2013, 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 |
| * Internal functions for mlib_ImageConv* on S32 type and |
| * MLIB_EDGE_DST_NO_WRITE mask |
| * |
| */ |
| |
| #include "mlib_image.h" |
| #include "mlib_ImageConv.h" |
| |
| /***************************************************************/ |
| #define CACHE_SIZE (64*1024) |
| |
| /***************************************************************/ |
| #define CONV_FUNC(KERN) mlib_conv##KERN##nw_s32 |
| |
| /***************************************************************/ |
| #ifndef MLIB_USE_FTOI_CLAMPING |
| |
| #define CLAMP_S32(dst, src) \ |
| if (src > (mlib_d64)MLIB_S32_MAX) src = (mlib_d64)MLIB_S32_MAX; \ |
| if (src < (mlib_d64)MLIB_S32_MIN) src = (mlib_d64)MLIB_S32_MIN; \ |
| dst = (mlib_s32)src |
| |
| #else |
| |
| #define CLAMP_S32(dst, src) dst = (mlib_s32)(src) |
| |
| #endif /* MLIB_USE_FTOI_CLAMPING */ |
| |
| /***************************************************************/ |
| #define GET_SRC_DST_PARAMETERS(type) \ |
| mlib_s32 hgt = mlib_ImageGetHeight(src); \ |
| mlib_s32 wid = mlib_ImageGetWidth(src); \ |
| mlib_s32 sll = mlib_ImageGetStride(src) / sizeof(type); \ |
| mlib_s32 dll = mlib_ImageGetStride(dst) / sizeof(type); \ |
| type* adr_src = mlib_ImageGetData(src); \ |
| type* adr_dst = mlib_ImageGetData(dst); \ |
| mlib_s32 chan1 = mlib_ImageGetChannels(src) |
| /* mlib_s32 chan2 = chan1 + chan1 */ |
| |
| /***************************************************************/ |
| #define DEF_VARS(type) \ |
| GET_SRC_DST_PARAMETERS(type); \ |
| type *sl, *sp, *sl1, *dl, *dp; \ |
| mlib_d64 *pbuff = buff, *buff0, *buff1, *buff2, *buffT; \ |
| mlib_s32 i, j, c; \ |
| mlib_d64 scalef, d0, d1 |
| |
| /***************************************************************/ |
| #define DEF_VARS_MxN(type) \ |
| GET_SRC_DST_PARAMETERS(type); \ |
| type *sl, *sp = NULL, *dl, *dp = NULL; \ |
| mlib_d64 *pbuff = buff; \ |
| mlib_s32 i, j, c |
| |
| /***************************************************************/ |
| #define FTYPE mlib_d64 |
| #define DTYPE mlib_s32 |
| |
| #define BUFF_SIZE 1600 |
| |
| static mlib_status mlib_ImageConv1xN(mlib_image *dst, |
| const mlib_image *src, |
| const mlib_d64 *k, |
| mlib_s32 n, |
| mlib_s32 dn, |
| mlib_s32 cmask) |
| { |
| FTYPE buff[BUFF_SIZE]; |
| mlib_s32 off, kh; |
| const FTYPE *pk; |
| FTYPE k0, k1, k2, k3, d0, d1; |
| FTYPE p0, p1, p2, p3, p4; |
| DTYPE *sl_c, *dl_c, *sl0; |
| mlib_s32 l, hsize, max_hsize; |
| DEF_VARS_MxN(DTYPE); |
| |
| hgt -= (n - 1); |
| adr_dst += dn*dll; |
| |
| max_hsize = (CACHE_SIZE/sizeof(DTYPE))/sll; |
| |
| if (!max_hsize) max_hsize = 1; |
| |
| if (max_hsize > BUFF_SIZE) { |
| pbuff = mlib_malloc(sizeof(FTYPE)*max_hsize); |
| } |
| |
| sl_c = adr_src; |
| dl_c = adr_dst; |
| |
| for (l = 0; l < hgt; l += hsize) { |
| hsize = hgt - l; |
| |
| if (hsize > max_hsize) hsize = max_hsize; |
| |
| for (c = 0; c < chan1; c++) { |
| if (!(cmask & (1 << (chan1 - 1 - c)))) continue; |
| |
| sl = sl_c + c; |
| dl = dl_c + c; |
| |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (j = 0; j < hsize; j++) pbuff[j] = 0.0; |
| |
| for (i = 0; i < wid; i++) { |
| sl0 = sl; |
| |
| for (off = 0; off < (n - 4); off += 4) { |
| pk = k + off; |
| sp = sl0; |
| |
| k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3]; |
| p2 = sp[0]; p3 = sp[sll]; p4 = sp[2*sll]; |
| sp += 3*sll; |
| |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (j = 0; j < hsize; j += 2) { |
| p0 = p2; p1 = p3; p2 = p4; |
| p3 = sp[0]; |
| p4 = sp[sll]; |
| |
| pbuff[j ] += p0*k0 + p1*k1 + p2*k2 + p3*k3; |
| pbuff[j + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3; |
| |
| sp += 2*sll; |
| } |
| |
| sl0 += 4*sll; |
| } |
| |
| pk = k + off; |
| sp = sl0; |
| |
| k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3]; |
| p2 = sp[0]; p3 = sp[sll]; p4 = sp[2*sll]; |
| |
| dp = dl; |
| kh = n - off; |
| |
| if (kh == 4) { |
| sp += 3*sll; |
| |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (j = 0; j <= (hsize - 2); j += 2) { |
| p0 = p2; p1 = p3; p2 = p4; |
| p3 = sp[0]; |
| p4 = sp[sll]; |
| |
| d0 = p0*k0 + p1*k1 + p2*k2 + p3*k3 + pbuff[j]; |
| d1 = p1*k0 + p2*k1 + p3*k2 + p4*k3 + pbuff[j + 1]; |
| CLAMP_S32(dp[0 ], d0); |
| CLAMP_S32(dp[dll], d1); |
| |
| pbuff[j] = 0; |
| pbuff[j + 1] = 0; |
| |
| sp += 2*sll; |
| dp += 2*dll; |
| } |
| |
| if (j < hsize) { |
| p0 = p2; p1 = p3; p2 = p4; |
| p3 = sp[0]; |
| |
| d0 = p0*k0 + p1*k1 + p2*k2 + p3*k3 + pbuff[j]; |
| CLAMP_S32(dp[0], d0); |
| |
| pbuff[j] = 0; |
| } |
| |
| } else if (kh == 3) { |
| sp += 2*sll; |
| |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (j = 0; j <= (hsize - 2); j += 2) { |
| p0 = p2; p1 = p3; |
| p2 = sp[0]; |
| p3 = sp[sll]; |
| |
| d0 = p0*k0 + p1*k1 + p2*k2 + pbuff[j]; |
| d1 = p1*k0 + p2*k1 + p3*k2 + pbuff[j + 1]; |
| CLAMP_S32(dp[0 ], d0); |
| CLAMP_S32(dp[dll], d1); |
| |
| pbuff[j] = 0; |
| pbuff[j + 1] = 0; |
| |
| sp += 2*sll; |
| dp += 2*dll; |
| } |
| |
| if (j < hsize) { |
| p0 = p2; p1 = p3; |
| p2 = sp[0]; |
| |
| d0 = p0*k0 + p1*k1 + p2*k2 + pbuff[j]; |
| CLAMP_S32(dp[0], d0); |
| |
| pbuff[j] = 0; |
| } |
| |
| } else if (kh == 2) { |
| sp += sll; |
| |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (j = 0; j <= (hsize - 2); j += 2) { |
| p0 = p2; |
| p1 = sp[0]; |
| p2 = sp[sll]; |
| |
| d0 = p0*k0 + p1*k1 + pbuff[j]; |
| d1 = p1*k0 + p2*k1 + pbuff[j + 1]; |
| CLAMP_S32(dp[0 ], d0); |
| CLAMP_S32(dp[dll], d1); |
| |
| pbuff[j] = 0; |
| pbuff[j + 1] = 0; |
| |
| sp += 2*sll; |
| dp += 2*dll; |
| } |
| |
| if (j < hsize) { |
| p0 = p2; |
| p1 = sp[0]; |
| |
| d0 = p0*k0 + p1*k1 + pbuff[j]; |
| CLAMP_S32(dp[0], d0); |
| |
| pbuff[j] = 0; |
| } |
| |
| } else /* if (kh == 1) */ { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (j = 0; j < hsize; j++) { |
| p0 = sp[0]; |
| |
| d0 = p0*k0 + pbuff[j]; |
| CLAMP_S32(dp[0], d0); |
| |
| pbuff[j] = 0; |
| |
| sp += sll; |
| dp += dll; |
| } |
| } |
| |
| sl += chan1; |
| dl += chan1; |
| } |
| } |
| |
| sl_c += max_hsize*sll; |
| dl_c += max_hsize*dll; |
| } |
| |
| if (pbuff != buff) mlib_free(pbuff); |
| |
| return MLIB_SUCCESS; |
| } |
| |
| /***************************************************************/ |
| #define MAX_KER 7 |
| |
| #define MAX_N 15 |
| |
| #undef BUFF_SIZE |
| #define BUFF_SIZE 1500 |
| |
| mlib_status CONV_FUNC(MxN)(mlib_image *dst, |
| const mlib_image *src, |
| const mlib_s32 *kernel, |
| mlib_s32 m, |
| mlib_s32 n, |
| mlib_s32 dm, |
| mlib_s32 dn, |
| mlib_s32 scale, |
| mlib_s32 cmask) |
| { |
| mlib_d64 buff[BUFF_SIZE], *buffs_arr[2*(MAX_N + 1)]; |
| mlib_d64 **buffs = buffs_arr, *buffd; |
| mlib_d64 akernel[256], *k = akernel, fscale = 1.0; |
| mlib_s32 l, off, kw, bsize, buff_ind, mn; |
| mlib_d64 d0, d1; |
| mlib_d64 k0, k1, k2, k3, k4, k5, k6; |
| mlib_d64 p0, p1, p2, p3, p4, p5, p6, p7; |
| DEF_VARS_MxN(mlib_s32); |
| mlib_s32 chan2 = chan1 + chan1; |
| |
| mlib_status status = MLIB_SUCCESS; |
| |
| if (scale > 30) { |
| fscale *= 1.0/(1 << 30); |
| scale -= 30; |
| } |
| |
| fscale /= (1 << scale); |
| |
| mn = m*n; |
| |
| if (mn > 256) { |
| k = mlib_malloc(mn*sizeof(mlib_d64)); |
| |
| if (k == NULL) return MLIB_FAILURE; |
| } |
| |
| for (i = 0; i < mn; i++) { |
| k[i] = kernel[i]*fscale; |
| } |
| |
| if (m == 1) { |
| status = mlib_ImageConv1xN(dst, src, k, n, dn, cmask); |
| FREE_AND_RETURN_STATUS; |
| } |
| |
| bsize = (n + 2)*wid; |
| |
| if ((bsize > BUFF_SIZE) || (n > MAX_N)) { |
| pbuff = mlib_malloc(sizeof(mlib_d64)*bsize + sizeof(mlib_d64*)*2*(n + 1)); |
| |
| if (pbuff == NULL) { |
| status = MLIB_FAILURE; |
| FREE_AND_RETURN_STATUS; |
| } |
| buffs = (mlib_d64**)(pbuff + bsize); |
| } |
| |
| for (l = 0; l < (n + 1); l++) buffs[l] = pbuff + l*wid; |
| for (l = 0; l < (n + 1); l++) buffs[l + (n + 1)] = buffs[l]; |
| buffd = buffs[n] + wid; |
| |
| wid -= (m - 1); |
| hgt -= (n - 1); |
| adr_dst += dn*dll + dm*chan1; |
| |
| for (c = 0; c < chan1; c++) { |
| if (!(cmask & (1 << (chan1 - 1 - c)))) continue; |
| |
| sl = adr_src + c; |
| dl = adr_dst + c; |
| |
| for (l = 0; l < n; l++) { |
| mlib_d64 *buff = buffs[l]; |
| |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i < wid + (m - 1); i++) { |
| buff[i] = (mlib_d64)sl[i*chan1]; |
| } |
| |
| sl += sll; |
| } |
| |
| buff_ind = 0; |
| |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i < wid; i++) buffd[i] = 0.0; |
| |
| for (j = 0; j < hgt; j++) { |
| mlib_d64 **buffc = buffs + buff_ind; |
| mlib_d64 *buffn = buffc[n]; |
| mlib_d64 *pk = k; |
| |
| for (l = 0; l < n; l++) { |
| mlib_d64 *buff_l = buffc[l]; |
| |
| for (off = 0; off < m;) { |
| mlib_d64 *buff = buff_l + off; |
| |
| kw = m - off; |
| |
| if (kw > 2*MAX_KER) kw = MAX_KER; else |
| if (kw > MAX_KER) kw = kw/2; |
| off += kw; |
| |
| sp = sl; |
| dp = dl; |
| |
| p2 = buff[0]; p3 = buff[1]; p4 = buff[2]; |
| p5 = buff[3]; p6 = buff[4]; p7 = buff[5]; |
| |
| k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3]; |
| k4 = pk[4]; k5 = pk[5]; k6 = pk[6]; |
| pk += kw; |
| |
| if (kw == 7) { |
| |
| if (l < (n - 1) || off < m) { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7; |
| |
| p6 = buff[i + 6]; p7 = buff[i + 7]; |
| |
| buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6; |
| buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6; |
| } |
| |
| } else { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7; |
| |
| p6 = buff[i + 6]; p7 = buff[i + 7]; |
| |
| buffn[i ] = (mlib_d64)sp[0]; |
| buffn[i + 1] = (mlib_d64)sp[chan1]; |
| |
| d0 = p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ]; |
| d1 = p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i + 1]; |
| |
| CLAMP_S32(dp[0], d0); |
| CLAMP_S32(dp[chan1], d1); |
| |
| buffd[i ] = 0.0; |
| buffd[i + 1] = 0.0; |
| |
| sp += chan2; |
| dp += chan2; |
| } |
| } |
| |
| } else if (kw == 6) { |
| |
| if (l < (n - 1) || off < m) { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; |
| |
| p5 = buff[i + 5]; p6 = buff[i + 6]; |
| |
| buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5; |
| buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5; |
| } |
| |
| } else { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; |
| |
| p5 = buff[i + 5]; p6 = buff[i + 6]; |
| |
| buffn[i ] = (mlib_d64)sp[0]; |
| buffn[i + 1] = (mlib_d64)sp[chan1]; |
| |
| d0 = p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ]; |
| d1 = p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i + 1]; |
| |
| CLAMP_S32(dp[0], d0); |
| CLAMP_S32(dp[chan1], d1); |
| |
| buffd[i ] = 0.0; |
| buffd[i + 1] = 0.0; |
| |
| sp += chan2; |
| dp += chan2; |
| } |
| } |
| |
| } else if (kw == 5) { |
| |
| if (l < (n - 1) || off < m) { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; p1 = p3; p2 = p4; p3 = p5; |
| |
| p4 = buff[i + 4]; p5 = buff[i + 5]; |
| |
| buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4; |
| buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4; |
| } |
| |
| } else { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; p1 = p3; p2 = p4; p3 = p5; |
| |
| p4 = buff[i + 4]; p5 = buff[i + 5]; |
| |
| buffn[i ] = (mlib_d64)sp[0]; |
| buffn[i + 1] = (mlib_d64)sp[chan1]; |
| |
| d0 = p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ]; |
| d1 = p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]; |
| |
| CLAMP_S32(dp[0], d0); |
| CLAMP_S32(dp[chan1], d1); |
| |
| buffd[i ] = 0.0; |
| buffd[i + 1] = 0.0; |
| |
| sp += chan2; |
| dp += chan2; |
| } |
| } |
| |
| } else if (kw == 4) { |
| |
| if (l < (n - 1) || off < m) { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; p1 = p3; p2 = p4; |
| |
| p3 = buff[i + 3]; p4 = buff[i + 4]; |
| |
| buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3; |
| buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3; |
| } |
| |
| } else { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; p1 = p3; p2 = p4; |
| |
| p3 = buff[i + 3]; p4 = buff[i + 4]; |
| |
| buffn[i ] = (mlib_d64)sp[0]; |
| buffn[i + 1] = (mlib_d64)sp[chan1]; |
| |
| d0 = p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]; |
| d1 = p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]; |
| |
| CLAMP_S32(dp[0], d0); |
| CLAMP_S32(dp[chan1], d1); |
| |
| buffd[i ] = 0.0; |
| buffd[i + 1] = 0.0; |
| |
| sp += chan2; |
| dp += chan2; |
| } |
| } |
| |
| } else if (kw == 3) { |
| |
| if (l < (n - 1) || off < m) { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; p1 = p3; |
| |
| p2 = buff[i + 2]; p3 = buff[i + 3]; |
| |
| buffd[i ] += p0*k0 + p1*k1 + p2*k2; |
| buffd[i + 1] += p1*k0 + p2*k1 + p3*k2; |
| } |
| |
| } else { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; p1 = p3; |
| |
| p2 = buff[i + 2]; p3 = buff[i + 3]; |
| |
| buffn[i ] = (mlib_d64)sp[0]; |
| buffn[i + 1] = (mlib_d64)sp[chan1]; |
| |
| d0 = p0*k0 + p1*k1 + p2*k2 + buffd[i ]; |
| d1 = p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]; |
| |
| CLAMP_S32(dp[0], d0); |
| CLAMP_S32(dp[chan1], d1); |
| |
| buffd[i ] = 0.0; |
| buffd[i + 1] = 0.0; |
| |
| sp += chan2; |
| dp += chan2; |
| } |
| } |
| |
| } else { /* kw == 2 */ |
| |
| if (l < (n - 1) || off < m) { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; |
| |
| p1 = buff[i + 1]; p2 = buff[i + 2]; |
| |
| buffd[i ] += p0*k0 + p1*k1; |
| buffd[i + 1] += p1*k0 + p2*k1; |
| } |
| |
| } else { |
| #ifdef __SUNPRO_C |
| #pragma pipeloop(0) |
| #endif /* __SUNPRO_C */ |
| for (i = 0; i <= (wid - 2); i += 2) { |
| p0 = p2; |
| |
| p1 = buff[i + 1]; p2 = buff[i + 2]; |
| |
| buffn[i ] = (mlib_d64)sp[0]; |
| buffn[i + 1] = (mlib_d64)sp[chan1]; |
| |
| d0 = p0*k0 + p1*k1 + buffd[i ]; |
| d1 = p1*k0 + p2*k1 + buffd[i + 1]; |
| |
| CLAMP_S32(dp[0], d0); |
| CLAMP_S32(dp[chan1], d1); |
| |
| buffd[i ] = 0.0; |
| buffd[i + 1] = 0.0; |
| |
| sp += chan2; |
| dp += chan2; |
| } |
| } |
| } |
| } |
| } |
| |
| /* last pixels */ |
| for (; i < wid; i++) { |
| mlib_d64 *pk = k, s = 0; |
| mlib_s32 x; |
| |
| for (l = 0; l < n; l++) { |
| mlib_d64 *buff = buffc[l] + i; |
| |
| for (x = 0; x < m; x++) s += buff[x] * (*pk++); |
| } |
| |
| CLAMP_S32(dp[0], s); |
| |
| buffn[i] = (mlib_d64)sp[0]; |
| |
| sp += chan1; |
| dp += chan1; |
| } |
| |
| for (l = 0; l < (m - 1); l++) buffn[wid + l] = sp[l*chan1]; |
| |
| /* next line */ |
| sl += sll; |
| dl += dll; |
| |
| buff_ind++; |
| |
| if (buff_ind >= n + 1) buff_ind = 0; |
| } |
| } |
| |
| FREE_AND_RETURN_STATUS; |
| } |
| |
| /***************************************************************/ |