J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2003 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 | * FUNCTION |
| 29 | * Internal functions for mlib_ImageAffine with Nearest Neighbor filtering. |
| 30 | */ |
| 31 | |
| 32 | #include "mlib_ImageAffine.h" |
| 33 | |
| 34 | /***************************************************************/ |
| 35 | #define sp srcPixelPtr |
| 36 | #define dp dstPixelPtr |
| 37 | |
| 38 | /***************************************************************/ |
| 39 | #undef DTYPE |
| 40 | #define DTYPE mlib_s32 |
| 41 | |
| 42 | #ifdef _MSC_VER |
| 43 | /* Workaround for MSC optimizer bug (known affected versions |
| 44 | 12.00.8168-12.00.8804). See bug 4893435 for details. */ |
| 45 | #pragma optimize("gs", off) |
| 46 | #endif /* _MSC_VER */ |
| 47 | #ifdef i386 /* do not perform the coping by mlib_d64 data type for x86 */ |
| 48 | |
| 49 | mlib_status mlib_ImageAffine_s32_1ch_nn(mlib_affine_param *param) |
| 50 | { |
| 51 | DECLAREVAR(); |
| 52 | DTYPE *srcPixelPtr; |
| 53 | DTYPE *dstLineEnd; |
| 54 | |
| 55 | for (j = yStart; j <= yFinish; j++) { |
| 56 | CLIP(1); |
| 57 | dstLineEnd = (DTYPE *) dstData + xRight; |
| 58 | |
| 59 | #ifdef __SUNPRO_C |
| 60 | #pragma pipeloop(0) |
| 61 | #endif /* __SUNPRO_C */ |
| 62 | for (; dp <= dstLineEnd; dp++) { |
| 63 | sp = S_PTR(Y) + (X >> MLIB_SHIFT); |
| 64 | dp[0] = sp[0]; |
| 65 | |
| 66 | X += dX; |
| 67 | Y += dY; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | return MLIB_SUCCESS; |
| 72 | } |
| 73 | |
| 74 | #else |
| 75 | |
| 76 | mlib_status mlib_ImageAffine_s32_1ch_nn(mlib_affine_param *param) |
| 77 | { |
| 78 | DECLAREVAR(); |
| 79 | DTYPE *srcPixelPtr; |
| 80 | mlib_s32 i, size; |
| 81 | |
| 82 | for (j = yStart; j <= yFinish; j++) { |
| 83 | d64_2x32 dd; |
| 84 | |
| 85 | CLIP(1); |
| 86 | size = xRight - xLeft + 1; |
| 87 | |
| 88 | if ((mlib_addr) dp & 7) { |
| 89 | sp = S_PTR(Y); |
| 90 | *dp++ = sp[X >> MLIB_SHIFT]; |
| 91 | X += dX; |
| 92 | Y += dY; |
| 93 | size--; |
| 94 | } |
| 95 | |
| 96 | #ifdef __SUNPRO_C |
| 97 | #pragma pipeloop(0) |
| 98 | #endif /* __SUNPRO_C */ |
| 99 | for (i = 0; i <= (size - 2); i += 2) { |
| 100 | mlib_f32 *sp0, *sp1; |
| 101 | |
| 102 | sp0 = (mlib_f32 *) S_PTR(Y); |
| 103 | sp1 = (mlib_f32 *) S_PTR(Y + dY); |
| 104 | |
| 105 | dd.f32s.f0 = sp0[X >> MLIB_SHIFT]; |
| 106 | dd.f32s.f1 = sp1[(X + dX) >> MLIB_SHIFT]; |
| 107 | |
| 108 | *(mlib_d64 *) dp = dd.d64; |
| 109 | |
| 110 | dp += 2; |
| 111 | X += 2 * dX; |
| 112 | Y += 2 * dY; |
| 113 | } |
| 114 | |
| 115 | if (size & 1) { |
| 116 | sp = S_PTR(Y); |
| 117 | *dp = sp[X >> MLIB_SHIFT]; |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | return MLIB_SUCCESS; |
| 122 | } |
| 123 | |
| 124 | #endif /* i386 ( do not perform the coping by mlib_d64 data type for x86 ) */ |
| 125 | |
| 126 | /***************************************************************/ |
| 127 | mlib_status mlib_ImageAffine_s32_2ch_nn(mlib_affine_param *param) |
| 128 | { |
| 129 | DECLAREVAR(); |
| 130 | DTYPE *srcPixelPtr; |
| 131 | DTYPE *dstLineEnd; |
| 132 | |
| 133 | for (j = yStart; j <= yFinish; j++) { |
| 134 | CLIP(2); |
| 135 | dstLineEnd = (DTYPE *) dstData + 2 * xRight; |
| 136 | |
| 137 | #ifdef __SUNPRO_C |
| 138 | #pragma pipeloop(0) |
| 139 | #endif /* __SUNPRO_C */ |
| 140 | for (; dp <= dstLineEnd; dp += 2) { |
| 141 | sp = S_PTR(Y) + 2 * (X >> MLIB_SHIFT); |
| 142 | dp[0] = sp[0]; |
| 143 | dp[1] = sp[1]; |
| 144 | |
| 145 | X += dX; |
| 146 | Y += dY; |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | return MLIB_SUCCESS; |
| 151 | } |
| 152 | |
| 153 | /***************************************************************/ |
| 154 | mlib_status mlib_ImageAffine_s32_3ch_nn(mlib_affine_param *param) |
| 155 | { |
| 156 | DECLAREVAR(); |
| 157 | DTYPE *srcPixelPtr; |
| 158 | DTYPE *dstLineEnd; |
| 159 | |
| 160 | for (j = yStart; j <= yFinish; j++) { |
| 161 | CLIP(3); |
| 162 | dstLineEnd = (DTYPE *) dstData + 3 * xRight; |
| 163 | |
| 164 | #ifdef __SUNPRO_C |
| 165 | #pragma pipeloop(0) |
| 166 | #endif /* __SUNPRO_C */ |
| 167 | for (; dp <= dstLineEnd; dp += 3) { |
| 168 | sp = S_PTR(Y) + 3 * (X >> MLIB_SHIFT); |
| 169 | dp[0] = sp[0]; |
| 170 | dp[1] = sp[1]; |
| 171 | dp[2] = sp[2]; |
| 172 | |
| 173 | X += dX; |
| 174 | Y += dY; |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | return MLIB_SUCCESS; |
| 179 | } |
| 180 | |
| 181 | /***************************************************************/ |
| 182 | mlib_status mlib_ImageAffine_s32_4ch_nn(mlib_affine_param *param) |
| 183 | { |
| 184 | DECLAREVAR(); |
| 185 | DTYPE *srcPixelPtr; |
| 186 | DTYPE *dstLineEnd; |
| 187 | |
| 188 | for (j = yStart; j <= yFinish; j++) { |
| 189 | CLIP(4); |
| 190 | dstLineEnd = (DTYPE *) dstData + 4 * xRight; |
| 191 | |
| 192 | #ifdef __SUNPRO_C |
| 193 | #pragma pipeloop(0) |
| 194 | #endif /* __SUNPRO_C */ |
| 195 | for (; dp <= dstLineEnd; dp += 4) { |
| 196 | sp = S_PTR(Y) + 4 * (X >> MLIB_SHIFT); |
| 197 | dp[0] = sp[0]; |
| 198 | dp[1] = sp[1]; |
| 199 | dp[2] = sp[2]; |
| 200 | dp[3] = sp[3]; |
| 201 | |
| 202 | X += dX; |
| 203 | Y += dY; |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | return MLIB_SUCCESS; |
| 208 | } |
| 209 | |
| 210 | /***************************************************************/ |
| 211 | #undef DTYPE |
| 212 | #define DTYPE mlib_d64 |
| 213 | |
| 214 | mlib_status mlib_ImageAffine_d64_1ch_nn(mlib_affine_param *param) |
| 215 | { |
| 216 | DECLAREVAR(); |
| 217 | DTYPE *srcPixelPtr; |
| 218 | DTYPE *dstLineEnd; |
| 219 | |
| 220 | for (j = yStart; j <= yFinish; j++) { |
| 221 | CLIP(1); |
| 222 | dstLineEnd = (DTYPE *) dstData + xRight; |
| 223 | |
| 224 | #ifdef __SUNPRO_C |
| 225 | #pragma pipeloop(0) |
| 226 | #endif /* __SUNPRO_C */ |
| 227 | for (; dp <= dstLineEnd; dp++) { |
| 228 | sp = S_PTR(Y); |
| 229 | dp[0] = sp[X >> MLIB_SHIFT]; |
| 230 | |
| 231 | X += dX; |
| 232 | Y += dY; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | return MLIB_SUCCESS; |
| 237 | } |
| 238 | |
| 239 | /***************************************************************/ |
| 240 | mlib_status mlib_ImageAffine_d64_2ch_nn(mlib_affine_param *param) |
| 241 | { |
| 242 | DECLAREVAR(); |
| 243 | DTYPE *srcPixelPtr; |
| 244 | DTYPE *dstLineEnd; |
| 245 | |
| 246 | for (j = yStart; j <= yFinish; j++) { |
| 247 | CLIP(2); |
| 248 | dstLineEnd = (DTYPE *) dstData + 2 * xRight; |
| 249 | |
| 250 | #ifdef __SUNPRO_C |
| 251 | #pragma pipeloop(0) |
| 252 | #endif /* __SUNPRO_C */ |
| 253 | for (; dp <= dstLineEnd; dp += 2) { |
| 254 | sp = S_PTR(Y) + 2 * (X >> MLIB_SHIFT); |
| 255 | dp[0] = sp[0]; |
| 256 | dp[1] = sp[1]; |
| 257 | |
| 258 | X += dX; |
| 259 | Y += dY; |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | return MLIB_SUCCESS; |
| 264 | } |
| 265 | |
| 266 | /***************************************************************/ |
| 267 | mlib_status mlib_ImageAffine_d64_3ch_nn(mlib_affine_param *param) |
| 268 | { |
| 269 | DECLAREVAR(); |
| 270 | DTYPE *srcPixelPtr; |
| 271 | DTYPE *dstLineEnd; |
| 272 | |
| 273 | for (j = yStart; j <= yFinish; j++) { |
| 274 | CLIP(3); |
| 275 | dstLineEnd = (DTYPE *) dstData + 3 * xRight; |
| 276 | |
| 277 | #ifdef __SUNPRO_C |
| 278 | #pragma pipeloop(0) |
| 279 | #endif /* __SUNPRO_C */ |
| 280 | for (; dp <= dstLineEnd; dp += 3) { |
| 281 | sp = S_PTR(Y) + 3 * (X >> MLIB_SHIFT); |
| 282 | dp[0] = sp[0]; |
| 283 | dp[1] = sp[1]; |
| 284 | dp[2] = sp[2]; |
| 285 | |
| 286 | X += dX; |
| 287 | Y += dY; |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | return MLIB_SUCCESS; |
| 292 | } |
| 293 | |
| 294 | /***************************************************************/ |
| 295 | mlib_status mlib_ImageAffine_d64_4ch_nn(mlib_affine_param *param) |
| 296 | { |
| 297 | DECLAREVAR(); |
| 298 | DTYPE *srcPixelPtr; |
| 299 | DTYPE *dstLineEnd; |
| 300 | |
| 301 | for (j = yStart; j <= yFinish; j++) { |
| 302 | CLIP(4); |
| 303 | dstLineEnd = (DTYPE *) dstData + 4 * xRight; |
| 304 | |
| 305 | #ifdef __SUNPRO_C |
| 306 | #pragma pipeloop(0) |
| 307 | #endif /* __SUNPRO_C */ |
| 308 | for (; dp <= dstLineEnd; dp += 4) { |
| 309 | sp = S_PTR(Y) + 4 * (X >> MLIB_SHIFT); |
| 310 | dp[0] = sp[0]; |
| 311 | dp[1] = sp[1]; |
| 312 | dp[2] = sp[2]; |
| 313 | dp[3] = sp[3]; |
| 314 | |
| 315 | X += dX; |
| 316 | Y += dY; |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | return MLIB_SUCCESS; |
| 321 | } |
| 322 | |
| 323 | /***************************************************************/ |
| 324 | #ifdef _MSC_VER |
| 325 | /* Workaround for MSC optimizer bug (known affected versions |
| 326 | 12.00.8168-12.00.8804). See bug 4893435 for details. */ |
| 327 | #pragma optimize("gs", on) |
| 328 | #endif /* _MSC_VER */ |