| OLD | NEW |
|---|
| (Empty) | |
| 1 // Copyright 2014 Google Inc. All Rights Reserved. |
| 2 // |
| 3 // Use of this source code is governed by a BSD-style license |
| 4 // that can be found in the COPYING file in the root of the source |
| 5 // tree. An additional intellectual property rights grant can be found |
| 6 // in the file PATENTS. All contributing project authors may |
| 7 // be found in the AUTHORS file in the root of the source tree. |
| 8 // ----------------------------------------------------------------------------- |
| 9 // |
| 10 // MIPS version of dsp functions |
| 11 // |
| 12 // Author(s): Djordje Pesut (djordje.pesut@imgtec.com) |
| 13 // Jovan Zelincevic (jovan.zelincevic@imgtec.com) |
| 14 |
| 15 #include "./dsp.h" |
| 16 |
| 17 #if defined(WEBP_USE_MIPS32) |
| 18 |
| 19 static const int kC1 = 20091 + (1 << 16); |
| 20 static const int kC2 = 35468; |
| 21 |
| 22 static WEBP_INLINE int abs_mips32(int x) { |
| 23 const int sign = x >> 31; |
| 24 return (x ^ sign) - sign; |
| 25 } |
| 26 |
| 27 // 4 pixels in, 2 pixels out |
| 28 static WEBP_INLINE void do_filter2(uint8_t* p, int step) { |
| 29 const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; |
| 30 const int a = 3 * (q0 - p0) + VP8ksclip1[p1 - q1]; |
| 31 const int a1 = VP8ksclip2[(a + 4) >> 3]; |
| 32 const int a2 = VP8ksclip2[(a + 3) >> 3]; |
| 33 p[-step] = VP8kclip1[p0 + a2]; |
| 34 p[ 0] = VP8kclip1[q0 - a1]; |
| 35 } |
| 36 |
| 37 // 4 pixels in, 4 pixels out |
| 38 static WEBP_INLINE void do_filter4(uint8_t* p, int step) { |
| 39 const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; |
| 40 const int a = 3 * (q0 - p0); |
| 41 const int a1 = VP8ksclip2[(a + 4) >> 3]; |
| 42 const int a2 = VP8ksclip2[(a + 3) >> 3]; |
| 43 const int a3 = (a1 + 1) >> 1; |
| 44 p[-2 * step] = VP8kclip1[p1 + a3]; |
| 45 p[- step] = VP8kclip1[p0 + a2]; |
| 46 p[ 0] = VP8kclip1[q0 - a1]; |
| 47 p[ step] = VP8kclip1[q1 - a3]; |
| 48 } |
| 49 |
| 50 // 6 pixels in, 6 pixels out |
| 51 static WEBP_INLINE void do_filter6(uint8_t* p, int step) { |
| 52 const int p2 = p[-3 * step], p1 = p[-2 * step], p0 = p[-step]; |
| 53 const int q0 = p[0], q1 = p[step], q2 = p[2 * step]; |
| 54 const int a = VP8ksclip1[3 * (q0 - p0) + VP8ksclip1[p1 - q1]]; |
| 55 const int a1 = (27 * a + 63) >> 7; // eq. to ((3 * a + 7) * 9) >> 7 |
| 56 const int a2 = (18 * a + 63) >> 7; // eq. to ((2 * a + 7) * 9) >> 7 |
| 57 const int a3 = (9 * a + 63) >> 7; // eq. to ((1 * a + 7) * 9) >> 7 |
| 58 p[-3 * step] = VP8kclip1[p2 + a3]; |
| 59 p[-2 * step] = VP8kclip1[p1 + a2]; |
| 60 p[- step] = VP8kclip1[p0 + a1]; |
| 61 p[ 0] = VP8kclip1[q0 - a1]; |
| 62 p[ step] = VP8kclip1[q1 - a2]; |
| 63 p[ 2 * step] = VP8kclip1[q2 - a3]; |
| 64 } |
| 65 |
| 66 static WEBP_INLINE int hev(const uint8_t* p, int step, int thresh) { |
| 67 const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; |
| 68 return (abs_mips32(p1 - p0) > thresh) || (abs_mips32(q1 - q0) > thresh); |
| 69 } |
| 70 |
| 71 static WEBP_INLINE int needs_filter(const uint8_t* p, int step, int thresh) { |
| 72 const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; |
| 73 return ((2 * abs_mips32(p0 - q0) + (abs_mips32(p1 - q1) >> 1)) <= thresh); |
| 74 } |
| 75 |
| 76 static WEBP_INLINE int needs_filter2(const uint8_t* p, |
| 77 int step, int t, int it) { |
| 78 const int p3 = p[-4 * step], p2 = p[-3 * step]; |
| 79 const int p1 = p[-2 * step], p0 = p[-step]; |
| 80 const int q0 = p[0], q1 = p[step], q2 = p[2 * step], q3 = p[3 * step]; |
| 81 if ((2 * abs_mips32(p0 - q0) + (abs_mips32(p1 - q1) >> 1)) > t) { |
| 82 return 0; |
| 83 } |
| 84 return abs_mips32(p3 - p2) <= it && abs_mips32(p2 - p1) <= it && |
| 85 abs_mips32(p1 - p0) <= it && abs_mips32(q3 - q2) <= it && |
| 86 abs_mips32(q2 - q1) <= it && abs_mips32(q1 - q0) <= it; |
| 87 } |
| 88 |
| 89 static WEBP_INLINE void FilterLoop26(uint8_t* p, |
| 90 int hstride, int vstride, int size, |
| 91 int thresh, int ithresh, int hev_thresh) { |
| 92 while (size-- > 0) { |
| 93 if (needs_filter2(p, hstride, thresh, ithresh)) { |
| 94 if (hev(p, hstride, hev_thresh)) { |
| 95 do_filter2(p, hstride); |
| 96 } else { |
| 97 do_filter6(p, hstride); |
| 98 } |
| 99 } |
| 100 p += vstride; |
| 101 } |
| 102 } |
| 103 |
| 104 static WEBP_INLINE void FilterLoop24(uint8_t* p, |
| 105 int hstride, int vstride, int size, |
| 106 int thresh, int ithresh, int hev_thresh) { |
| 107 while (size-- > 0) { |
| 108 if (needs_filter2(p, hstride, thresh, ithresh)) { |
| 109 if (hev(p, hstride, hev_thresh)) { |
| 110 do_filter2(p, hstride); |
| 111 } else { |
| 112 do_filter4(p, hstride); |
| 113 } |
| 114 } |
| 115 p += vstride; |
| 116 } |
| 117 } |
| 118 |
| 119 // on macroblock edges |
| 120 static void VFilter16(uint8_t* p, int stride, |
| 121 int thresh, int ithresh, int hev_thresh) { |
| 122 FilterLoop26(p, stride, 1, 16, thresh, ithresh, hev_thresh); |
| 123 } |
| 124 |
| 125 static void HFilter16(uint8_t* p, int stride, |
| 126 int thresh, int ithresh, int hev_thresh) { |
| 127 FilterLoop26(p, 1, stride, 16, thresh, ithresh, hev_thresh); |
| 128 } |
| 129 |
| 130 // 8-pixels wide variant, for chroma filtering |
| 131 static void VFilter8(uint8_t* u, uint8_t* v, int stride, |
| 132 int thresh, int ithresh, int hev_thresh) { |
| 133 FilterLoop26(u, stride, 1, 8, thresh, ithresh, hev_thresh); |
| 134 FilterLoop26(v, stride, 1, 8, thresh, ithresh, hev_thresh); |
| 135 } |
| 136 |
| 137 static void HFilter8(uint8_t* u, uint8_t* v, int stride, |
| 138 int thresh, int ithresh, int hev_thresh) { |
| 139 FilterLoop26(u, 1, stride, 8, thresh, ithresh, hev_thresh); |
| 140 FilterLoop26(v, 1, stride, 8, thresh, ithresh, hev_thresh); |
| 141 } |
| 142 |
| 143 static void VFilter8i(uint8_t* u, uint8_t* v, int stride, |
| 144 int thresh, int ithresh, int hev_thresh) { |
| 145 FilterLoop24(u + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); |
| 146 FilterLoop24(v + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); |
| 147 } |
| 148 |
| 149 static void HFilter8i(uint8_t* u, uint8_t* v, int stride, |
| 150 int thresh, int ithresh, int hev_thresh) { |
| 151 FilterLoop24(u + 4, 1, stride, 8, thresh, ithresh, hev_thresh); |
| 152 FilterLoop24(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh); |
| 153 } |
| 154 |
| 155 // on three inner edges |
| 156 static void VFilter16i(uint8_t* p, int stride, |
| 157 int thresh, int ithresh, int hev_thresh) { |
| 158 int k; |
| 159 for (k = 3; k > 0; --k) { |
| 160 p += 4 * stride; |
| 161 FilterLoop24(p, stride, 1, 16, thresh, ithresh, hev_thresh); |
| 162 } |
| 163 } |
| 164 |
| 165 static void HFilter16i(uint8_t* p, int stride, |
| 166 int thresh, int ithresh, int hev_thresh) { |
| 167 int k; |
| 168 for (k = 3; k > 0; --k) { |
| 169 p += 4; |
| 170 FilterLoop24(p, 1, stride, 16, thresh, ithresh, hev_thresh); |
| 171 } |
| 172 } |
| 173 |
| 174 //------------------------------------------------------------------------------ |
| 175 // Simple In-loop filtering (Paragraph 15.2) |
| 176 |
| 177 static void SimpleVFilter16(uint8_t* p, int stride, int thresh) { |
| 178 int i; |
| 179 for (i = 0; i < 16; ++i) { |
| 180 if (needs_filter(p + i, stride, thresh)) { |
| 181 do_filter2(p + i, stride); |
| 182 } |
| 183 } |
| 184 } |
| 185 |
| 186 static void SimpleHFilter16(uint8_t* p, int stride, int thresh) { |
| 187 int i; |
| 188 for (i = 0; i < 16; ++i) { |
| 189 if (needs_filter(p + i * stride, 1, thresh)) { |
| 190 do_filter2(p + i * stride, 1); |
| 191 } |
| 192 } |
| 193 } |
| 194 |
| 195 static void SimpleVFilter16i(uint8_t* p, int stride, int thresh) { |
| 196 int k; |
| 197 for (k = 3; k > 0; --k) { |
| 198 p += 4 * stride; |
| 199 SimpleVFilter16(p, stride, thresh); |
| 200 } |
| 201 } |
| 202 |
| 203 static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) { |
| 204 int k; |
| 205 for (k = 3; k > 0; --k) { |
| 206 p += 4; |
| 207 SimpleHFilter16(p, stride, thresh); |
| 208 } |
| 209 } |
| 210 |
| 211 static void TransformOne(const int16_t* in, uint8_t* dst) { |
| 212 int temp0, temp1, temp2, temp3, temp4; |
| 213 int temp5, temp6, temp7, temp8, temp9; |
| 214 int temp10, temp11, temp12, temp13, temp14; |
| 215 int temp15, temp16, temp17, temp18; |
| 216 int16_t* p_in = (int16_t*)in; |
| 217 |
| 218 // loops unrolled and merged to avoid usage of tmp buffer |
| 219 // and to reduce number of stalls. MUL macro is written |
| 220 // in assembler and inlined |
| 221 __asm__ volatile( |
| 222 "lh %[temp0], 0(%[in]) \n\t" |
| 223 "lh %[temp8], 16(%[in]) \n\t" |
| 224 "lh %[temp4], 8(%[in]) \n\t" |
| 225 "lh %[temp12], 24(%[in]) \n\t" |
| 226 "addu %[temp16], %[temp0], %[temp8] \n\t" |
| 227 "subu %[temp0], %[temp0], %[temp8] \n\t" |
| 228 "mul %[temp8], %[temp4], %[kC2] \n\t" |
| 229 "mul %[temp17], %[temp12], %[kC1] \n\t" |
| 230 "mul %[temp4], %[temp4], %[kC1] \n\t" |
| 231 "mul %[temp12], %[temp12], %[kC2] \n\t" |
| 232 "lh %[temp1], 2(%[in]) \n\t" |
| 233 "lh %[temp5], 10(%[in]) \n\t" |
| 234 "lh %[temp9], 18(%[in]) \n\t" |
| 235 "lh %[temp13], 26(%[in]) \n\t" |
| 236 "sra %[temp8], %[temp8], 16 \n\t" |
| 237 "sra %[temp17], %[temp17], 16 \n\t" |
| 238 "sra %[temp4], %[temp4], 16 \n\t" |
| 239 "sra %[temp12], %[temp12], 16 \n\t" |
| 240 "lh %[temp2], 4(%[in]) \n\t" |
| 241 "lh %[temp6], 12(%[in]) \n\t" |
| 242 "lh %[temp10], 20(%[in]) \n\t" |
| 243 "lh %[temp14], 28(%[in]) \n\t" |
| 244 "subu %[temp17], %[temp8], %[temp17] \n\t" |
| 245 "addu %[temp4], %[temp4], %[temp12] \n\t" |
| 246 "addu %[temp8], %[temp16], %[temp4] \n\t" |
| 247 "subu %[temp4], %[temp16], %[temp4] \n\t" |
| 248 "addu %[temp16], %[temp1], %[temp9] \n\t" |
| 249 "subu %[temp1], %[temp1], %[temp9] \n\t" |
| 250 "lh %[temp3], 6(%[in]) \n\t" |
| 251 "lh %[temp7], 14(%[in]) \n\t" |
| 252 "lh %[temp11], 22(%[in]) \n\t" |
| 253 "lh %[temp15], 30(%[in]) \n\t" |
| 254 "addu %[temp12], %[temp0], %[temp17] \n\t" |
| 255 "subu %[temp0], %[temp0], %[temp17] \n\t" |
| 256 "mul %[temp9], %[temp5], %[kC2] \n\t" |
| 257 "mul %[temp17], %[temp13], %[kC1] \n\t" |
| 258 "mul %[temp5], %[temp5], %[kC1] \n\t" |
| 259 "mul %[temp13], %[temp13], %[kC2] \n\t" |
| 260 "sra %[temp9], %[temp9], 16 \n\t" |
| 261 "sra %[temp17], %[temp17], 16 \n\t" |
| 262 "subu %[temp17], %[temp9], %[temp17] \n\t" |
| 263 "sra %[temp5], %[temp5], 16 \n\t" |
| 264 "sra %[temp13], %[temp13], 16 \n\t" |
| 265 "addu %[temp5], %[temp5], %[temp13] \n\t" |
| 266 "addu %[temp13], %[temp1], %[temp17] \n\t" |
| 267 "subu %[temp1], %[temp1], %[temp17] \n\t" |
| 268 "mul %[temp17], %[temp14], %[kC1] \n\t" |
| 269 "mul %[temp14], %[temp14], %[kC2] \n\t" |
| 270 "addu %[temp9], %[temp16], %[temp5] \n\t" |
| 271 "subu %[temp5], %[temp16], %[temp5] \n\t" |
| 272 "addu %[temp16], %[temp2], %[temp10] \n\t" |
| 273 "subu %[temp2], %[temp2], %[temp10] \n\t" |
| 274 "mul %[temp10], %[temp6], %[kC2] \n\t" |
| 275 "mul %[temp6], %[temp6], %[kC1] \n\t" |
| 276 "sra %[temp17], %[temp17], 16 \n\t" |
| 277 "sra %[temp14], %[temp14], 16 \n\t" |
| 278 "sra %[temp10], %[temp10], 16 \n\t" |
| 279 "sra %[temp6], %[temp6], 16 \n\t" |
| 280 "subu %[temp17], %[temp10], %[temp17] \n\t" |
| 281 "addu %[temp6], %[temp6], %[temp14] \n\t" |
| 282 "addu %[temp10], %[temp16], %[temp6] \n\t" |
| 283 "subu %[temp6], %[temp16], %[temp6] \n\t" |
| 284 "addu %[temp14], %[temp2], %[temp17] \n\t" |
| 285 "subu %[temp2], %[temp2], %[temp17] \n\t" |
| 286 "mul %[temp17], %[temp15], %[kC1] \n\t" |
| 287 "mul %[temp15], %[temp15], %[kC2] \n\t" |
| 288 "addu %[temp16], %[temp3], %[temp11] \n\t" |
| 289 "subu %[temp3], %[temp3], %[temp11] \n\t" |
| 290 "mul %[temp11], %[temp7], %[kC2] \n\t" |
| 291 "mul %[temp7], %[temp7], %[kC1] \n\t" |
| 292 "addiu %[temp8], %[temp8], 4 \n\t" |
| 293 "addiu %[temp12], %[temp12], 4 \n\t" |
| 294 "addiu %[temp0], %[temp0], 4 \n\t" |
| 295 "addiu %[temp4], %[temp4], 4 \n\t" |
| 296 "sra %[temp17], %[temp17], 16 \n\t" |
| 297 "sra %[temp15], %[temp15], 16 \n\t" |
| 298 "sra %[temp11], %[temp11], 16 \n\t" |
| 299 "sra %[temp7], %[temp7], 16 \n\t" |
| 300 "subu %[temp17], %[temp11], %[temp17] \n\t" |
| 301 "addu %[temp7], %[temp7], %[temp15] \n\t" |
| 302 "addu %[temp15], %[temp3], %[temp17] \n\t" |
| 303 "subu %[temp3], %[temp3], %[temp17] \n\t" |
| 304 "addu %[temp11], %[temp16], %[temp7] \n\t" |
| 305 "subu %[temp7], %[temp16], %[temp7] \n\t" |
| 306 "addu %[temp16], %[temp8], %[temp10] \n\t" |
| 307 "subu %[temp8], %[temp8], %[temp10] \n\t" |
| 308 "mul %[temp10], %[temp9], %[kC2] \n\t" |
| 309 "mul %[temp17], %[temp11], %[kC1] \n\t" |
| 310 "mul %[temp9], %[temp9], %[kC1] \n\t" |
| 311 "mul %[temp11], %[temp11], %[kC2] \n\t" |
| 312 "sra %[temp10], %[temp10], 16 \n\t" |
| 313 "sra %[temp17], %[temp17], 16 \n\t" |
| 314 "sra %[temp9], %[temp9], 16 \n\t" |
| 315 "sra %[temp11], %[temp11], 16 \n\t" |
| 316 "subu %[temp17], %[temp10], %[temp17] \n\t" |
| 317 "addu %[temp11], %[temp9], %[temp11] \n\t" |
| 318 "addu %[temp10], %[temp12], %[temp14] \n\t" |
| 319 "subu %[temp12], %[temp12], %[temp14] \n\t" |
| 320 "mul %[temp14], %[temp13], %[kC2] \n\t" |
| 321 "mul %[temp9], %[temp15], %[kC1] \n\t" |
| 322 "mul %[temp13], %[temp13], %[kC1] \n\t" |
| 323 "mul %[temp15], %[temp15], %[kC2] \n\t" |
| 324 "sra %[temp14], %[temp14], 16 \n\t" |
| 325 "sra %[temp9], %[temp9], 16 \n\t" |
| 326 "sra %[temp13], %[temp13], 16 \n\t" |
| 327 "sra %[temp15], %[temp15], 16 \n\t" |
| 328 "subu %[temp9], %[temp14], %[temp9] \n\t" |
| 329 "addu %[temp15], %[temp13], %[temp15] \n\t" |
| 330 "addu %[temp14], %[temp0], %[temp2] \n\t" |
| 331 "subu %[temp0], %[temp0], %[temp2] \n\t" |
| 332 "mul %[temp2], %[temp1], %[kC2] \n\t" |
| 333 "mul %[temp13], %[temp3], %[kC1] \n\t" |
| 334 "mul %[temp1], %[temp1], %[kC1] \n\t" |
| 335 "mul %[temp3], %[temp3], %[kC2] \n\t" |
| 336 "sra %[temp2], %[temp2], 16 \n\t" |
| 337 "sra %[temp13], %[temp13], 16 \n\t" |
| 338 "sra %[temp1], %[temp1], 16 \n\t" |
| 339 "sra %[temp3], %[temp3], 16 \n\t" |
| 340 "subu %[temp13], %[temp2], %[temp13] \n\t" |
| 341 "addu %[temp3], %[temp1], %[temp3] \n\t" |
| 342 "addu %[temp2], %[temp4], %[temp6] \n\t" |
| 343 "subu %[temp4], %[temp4], %[temp6] \n\t" |
| 344 "mul %[temp6], %[temp5], %[kC2] \n\t" |
| 345 "mul %[temp1], %[temp7], %[kC1] \n\t" |
| 346 "mul %[temp5], %[temp5], %[kC1] \n\t" |
| 347 "mul %[temp7], %[temp7], %[kC2] \n\t" |
| 348 "sra %[temp6], %[temp6], 16 \n\t" |
| 349 "sra %[temp1], %[temp1], 16 \n\t" |
| 350 "sra %[temp5], %[temp5], 16 \n\t" |
| 351 "sra %[temp7], %[temp7], 16 \n\t" |
| 352 "subu %[temp1], %[temp6], %[temp1] \n\t" |
| 353 "addu %[temp7], %[temp5], %[temp7] \n\t" |
| 354 "addu %[temp5], %[temp16], %[temp11] \n\t" |
| 355 "subu %[temp16], %[temp16], %[temp11] \n\t" |
| 356 "addu %[temp11], %[temp8], %[temp17] \n\t" |
| 357 "subu %[temp8], %[temp8], %[temp17] \n\t" |
| 358 "sra %[temp5], %[temp5], 3 \n\t" |
| 359 "sra %[temp16], %[temp16], 3 \n\t" |
| 360 "sra %[temp11], %[temp11], 3 \n\t" |
| 361 "sra %[temp8], %[temp8], 3 \n\t" |
| 362 "addu %[temp17], %[temp10], %[temp15] \n\t" |
| 363 "subu %[temp10], %[temp10], %[temp15] \n\t" |
| 364 "addu %[temp15], %[temp12], %[temp9] \n\t" |
| 365 "subu %[temp12], %[temp12], %[temp9] \n\t" |
| 366 "sra %[temp17], %[temp17], 3 \n\t" |
| 367 "sra %[temp10], %[temp10], 3 \n\t" |
| 368 "sra %[temp15], %[temp15], 3 \n\t" |
| 369 "sra %[temp12], %[temp12], 3 \n\t" |
| 370 "addu %[temp9], %[temp14], %[temp3] \n\t" |
| 371 "subu %[temp14], %[temp14], %[temp3] \n\t" |
| 372 "addu %[temp3], %[temp0], %[temp13] \n\t" |
| 373 "subu %[temp0], %[temp0], %[temp13] \n\t" |
| 374 "sra %[temp9], %[temp9], 3 \n\t" |
| 375 "sra %[temp14], %[temp14], 3 \n\t" |
| 376 "sra %[temp3], %[temp3], 3 \n\t" |
| 377 "sra %[temp0], %[temp0], 3 \n\t" |
| 378 "addu %[temp13], %[temp2], %[temp7] \n\t" |
| 379 "subu %[temp2], %[temp2], %[temp7] \n\t" |
| 380 "addu %[temp7], %[temp4], %[temp1] \n\t" |
| 381 "subu %[temp4], %[temp4], %[temp1] \n\t" |
| 382 "sra %[temp13], %[temp13], 3 \n\t" |
| 383 "sra %[temp2], %[temp2], 3 \n\t" |
| 384 "sra %[temp7], %[temp7], 3 \n\t" |
| 385 "sra %[temp4], %[temp4], 3 \n\t" |
| 386 "addiu %[temp6], $zero, 255 \n\t" |
| 387 "lbu %[temp1], 0(%[dst]) \n\t" |
| 388 "addu %[temp1], %[temp1], %[temp5] \n\t" |
| 389 "sra %[temp5], %[temp1], 8 \n\t" |
| 390 "sra %[temp18], %[temp1], 31 \n\t" |
| 391 "beqz %[temp5], 1f \n\t" |
| 392 "xor %[temp1], %[temp1], %[temp1] \n\t" |
| 393 "movz %[temp1], %[temp6], %[temp18] \n\t" |
| 394 "1: \n\t" |
| 395 "lbu %[temp18], 1(%[dst]) \n\t" |
| 396 "sb %[temp1], 0(%[dst]) \n\t" |
| 397 "addu %[temp18], %[temp18], %[temp11] \n\t" |
| 398 "sra %[temp11], %[temp18], 8 \n\t" |
| 399 "sra %[temp1], %[temp18], 31 \n\t" |
| 400 "beqz %[temp11], 2f \n\t" |
| 401 "xor %[temp18], %[temp18], %[temp18] \n\t" |
| 402 "movz %[temp18], %[temp6], %[temp1] \n\t" |
| 403 "2: \n\t" |
| 404 "lbu %[temp1], 2(%[dst]) \n\t" |
| 405 "sb %[temp18], 1(%[dst]) \n\t" |
| 406 "addu %[temp1], %[temp1], %[temp8] \n\t" |
| 407 "sra %[temp8], %[temp1], 8 \n\t" |
| 408 "sra %[temp18], %[temp1], 31 \n\t" |
| 409 "beqz %[temp8], 3f \n\t" |
| 410 "xor %[temp1], %[temp1], %[temp1] \n\t" |
| 411 "movz %[temp1], %[temp6], %[temp18] \n\t" |
| 412 "3: \n\t" |
| 413 "lbu %[temp18], 3(%[dst]) \n\t" |
| 414 "sb %[temp1], 2(%[dst]) \n\t" |
| 415 "addu %[temp18], %[temp18], %[temp16] \n\t" |
| 416 "sra %[temp16], %[temp18], 8 \n\t" |
| 417 "sra %[temp1], %[temp18], 31 \n\t" |
| 418 "beqz %[temp16], 4f \n\t" |
| 419 "xor %[temp18], %[temp18], %[temp18] \n\t" |
| 420 "movz %[temp18], %[temp6], %[temp1] \n\t" |
| 421 "4: \n\t" |
| 422 "sb %[temp18], 3(%[dst]) \n\t" |
| 423 "lbu %[temp5], 32(%[dst]) \n\t" |
| 424 "lbu %[temp8], 33(%[dst]) \n\t" |
| 425 "lbu %[temp11], 34(%[dst]) \n\t" |
| 426 "lbu %[temp16], 35(%[dst]) \n\t" |
| 427 "addu %[temp5], %[temp5], %[temp17] \n\t" |
| 428 "addu %[temp8], %[temp8], %[temp15] \n\t" |
| 429 "addu %[temp11], %[temp11], %[temp12] \n\t" |
| 430 "addu %[temp16], %[temp16], %[temp10] \n\t" |
| 431 "sra %[temp18], %[temp5], 8 \n\t" |
| 432 "sra %[temp1], %[temp5], 31 \n\t" |
| 433 "beqz %[temp18], 5f \n\t" |
| 434 "xor %[temp5], %[temp5], %[temp5] \n\t" |
| 435 "movz %[temp5], %[temp6], %[temp1] \n\t" |
| 436 "5: \n\t" |
| 437 "sra %[temp18], %[temp8], 8 \n\t" |
| 438 "sra %[temp1], %[temp8], 31 \n\t" |
| 439 "beqz %[temp18], 6f \n\t" |
| 440 "xor %[temp8], %[temp8], %[temp8] \n\t" |
| 441 "movz %[temp8], %[temp6], %[temp1] \n\t" |
| 442 "6: \n\t" |
| 443 "sra %[temp18], %[temp11], 8 \n\t" |
| 444 "sra %[temp1], %[temp11], 31 \n\t" |
| 445 "sra %[temp17], %[temp16], 8 \n\t" |
| 446 "sra %[temp15], %[temp16], 31 \n\t" |
| 447 "beqz %[temp18], 7f \n\t" |
| 448 "xor %[temp11], %[temp11], %[temp11] \n\t" |
| 449 "movz %[temp11], %[temp6], %[temp1] \n\t" |
| 450 "7: \n\t" |
| 451 "beqz %[temp17], 8f \n\t" |
| 452 "xor %[temp16], %[temp16], %[temp16] \n\t" |
| 453 "movz %[temp16], %[temp6], %[temp15] \n\t" |
| 454 "8: \n\t" |
| 455 "sb %[temp5], 32(%[dst]) \n\t" |
| 456 "sb %[temp8], 33(%[dst]) \n\t" |
| 457 "sb %[temp11], 34(%[dst]) \n\t" |
| 458 "sb %[temp16], 35(%[dst]) \n\t" |
| 459 "lbu %[temp5], 64(%[dst]) \n\t" |
| 460 "lbu %[temp8], 65(%[dst]) \n\t" |
| 461 "lbu %[temp11], 66(%[dst]) \n\t" |
| 462 "lbu %[temp16], 67(%[dst]) \n\t" |
| 463 "addu %[temp5], %[temp5], %[temp9] \n\t" |
| 464 "addu %[temp8], %[temp8], %[temp3] \n\t" |
| 465 "addu %[temp11], %[temp11], %[temp0] \n\t" |
| 466 "addu %[temp16], %[temp16], %[temp14] \n\t" |
| 467 "sra %[temp18], %[temp5], 8 \n\t" |
| 468 "sra %[temp1], %[temp5], 31 \n\t" |
| 469 "sra %[temp17], %[temp8], 8 \n\t" |
| 470 "sra %[temp15], %[temp8], 31 \n\t" |
| 471 "sra %[temp12], %[temp11], 8 \n\t" |
| 472 "sra %[temp10], %[temp11], 31 \n\t" |
| 473 "sra %[temp9], %[temp16], 8 \n\t" |
| 474 "sra %[temp3], %[temp16], 31 \n\t" |
| 475 "beqz %[temp18], 9f \n\t" |
| 476 "xor %[temp5], %[temp5], %[temp5] \n\t" |
| 477 "movz %[temp5], %[temp6], %[temp1] \n\t" |
| 478 "9: \n\t" |
| 479 "beqz %[temp17], 10f \n\t" |
| 480 "xor %[temp8], %[temp8], %[temp8] \n\t" |
| 481 "movz %[temp8], %[temp6], %[temp15] \n\t" |
| 482 "10: \n\t" |
| 483 "beqz %[temp12], 11f \n\t" |
| 484 "xor %[temp11], %[temp11], %[temp11] \n\t" |
| 485 "movz %[temp11], %[temp6], %[temp10] \n\t" |
| 486 "11: \n\t" |
| 487 "beqz %[temp9], 12f \n\t" |
| 488 "xor %[temp16], %[temp16], %[temp16] \n\t" |
| 489 "movz %[temp16], %[temp6], %[temp3] \n\t" |
| 490 "12: \n\t" |
| 491 "sb %[temp5], 64(%[dst]) \n\t" |
| 492 "sb %[temp8], 65(%[dst]) \n\t" |
| 493 "sb %[temp11], 66(%[dst]) \n\t" |
| 494 "sb %[temp16], 67(%[dst]) \n\t" |
| 495 "lbu %[temp5], 96(%[dst]) \n\t" |
| 496 "lbu %[temp8], 97(%[dst]) \n\t" |
| 497 "lbu %[temp11], 98(%[dst]) \n\t" |
| 498 "lbu %[temp16], 99(%[dst]) \n\t" |
| 499 "addu %[temp5], %[temp5], %[temp13] \n\t" |
| 500 "addu %[temp8], %[temp8], %[temp7] \n\t" |
| 501 "addu %[temp11], %[temp11], %[temp4] \n\t" |
| 502 "addu %[temp16], %[temp16], %[temp2] \n\t" |
| 503 "sra %[temp18], %[temp5], 8 \n\t" |
| 504 "sra %[temp1], %[temp5], 31 \n\t" |
| 505 "sra %[temp17], %[temp8], 8 \n\t" |
| 506 "sra %[temp15], %[temp8], 31 \n\t" |
| 507 "sra %[temp12], %[temp11], 8 \n\t" |
| 508 "sra %[temp10], %[temp11], 31 \n\t" |
| 509 "sra %[temp9], %[temp16], 8 \n\t" |
| 510 "sra %[temp3], %[temp16], 31 \n\t" |
| 511 "beqz %[temp18], 13f \n\t" |
| 512 "xor %[temp5], %[temp5], %[temp5] \n\t" |
| 513 "movz %[temp5], %[temp6], %[temp1] \n\t" |
| 514 "13: \n\t" |
| 515 "beqz %[temp17], 14f \n\t" |
| 516 "xor %[temp8], %[temp8], %[temp8] \n\t" |
| 517 "movz %[temp8], %[temp6], %[temp15] \n\t" |
| 518 "14: \n\t" |
| 519 "beqz %[temp12], 15f \n\t" |
| 520 "xor %[temp11], %[temp11], %[temp11] \n\t" |
| 521 "movz %[temp11], %[temp6], %[temp10] \n\t" |
| 522 "15: \n\t" |
| 523 "beqz %[temp9], 16f \n\t" |
| 524 "xor %[temp16], %[temp16], %[temp16] \n\t" |
| 525 "movz %[temp16], %[temp6], %[temp3] \n\t" |
| 526 "16: \n\t" |
| 527 "sb %[temp5], 96(%[dst]) \n\t" |
| 528 "sb %[temp8], 97(%[dst]) \n\t" |
| 529 "sb %[temp11], 98(%[dst]) \n\t" |
| 530 "sb %[temp16], 99(%[dst]) \n\t" |
| 531 |
| 532 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), |
| 533 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
| 534 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), |
| 535 [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11), |
| 536 [temp12]"=&r"(temp12), [temp13]"=&r"(temp13), [temp14]"=&r"(temp14), |
| 537 [temp15]"=&r"(temp15), [temp16]"=&r"(temp16), [temp17]"=&r"(temp17), |
| 538 [temp18]"=&r"(temp18) |
| 539 : [in]"r"(p_in), [kC1]"r"(kC1), [kC2]"r"(kC2), [dst]"r"(dst) |
| 540 : "memory", "hi", "lo" |
| 541 ); |
| 542 } |
| 543 |
| 544 static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) { |
| 545 TransformOne(in, dst); |
| 546 if (do_two) { |
| 547 TransformOne(in + 16, dst + 4); |
| 548 } |
| 549 } |
| 550 |
| 551 #endif // WEBP_USE_MIPS32 |
| 552 |
| 553 //------------------------------------------------------------------------------ |
| 554 // Entry point |
| 555 |
| 556 extern void VP8DspInitMIPS32(void); |
| 557 |
| 558 void VP8DspInitMIPS32(void) { |
| 559 #if defined(WEBP_USE_MIPS32) |
| 560 VP8InitClipTables(); |
| 561 |
| 562 VP8Transform = TransformTwo; |
| 563 |
| 564 VP8VFilter16 = VFilter16; |
| 565 VP8HFilter16 = HFilter16; |
| 566 VP8VFilter8 = VFilter8; |
| 567 VP8HFilter8 = HFilter8; |
| 568 VP8VFilter16i = VFilter16i; |
| 569 VP8HFilter16i = HFilter16i; |
| 570 VP8VFilter8i = VFilter8i; |
| 571 VP8HFilter8i = HFilter8i; |
| 572 |
| 573 VP8SimpleVFilter16 = SimpleVFilter16; |
| 574 VP8SimpleHFilter16 = SimpleHFilter16; |
| 575 VP8SimpleVFilter16i = SimpleVFilter16i; |
| 576 VP8SimpleHFilter16i = SimpleHFilter16i; |
| 577 #endif // WEBP_USE_MIPS32 |
| 578 } |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1178013008:
Use the upstream version of libwebp, v0.4.3. (Closed)
Base URL: https://skia.googlesource.com/skia.git@master