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| 1 /* |
| 2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #include <assert.h> |
| 12 #include <stdio.h> |
| 13 |
| 14 #include "./vpx_config.h" |
| 15 #include "./vp9_rtcd.h" |
| 16 #include "vp9/common/vp9_common.h" |
| 17 #include "vpx/vpx_integer.h" |
| 18 #include "vpx_ports/mem.h" |
| 19 #include "vp9/common/vp9_convolve.h" |
| 20 #include "vp9/common/mips/dspr2/vp9_common_dspr2.h" |
| 21 |
| 22 #if HAVE_DSPR2 |
| 23 static void convolve_vert_4_dspr2(const uint8_t *src, |
| 24 int32_t src_stride, |
| 25 uint8_t *dst, |
| 26 int32_t dst_stride, |
| 27 const int16_t *filter_y, |
| 28 int32_t w, |
| 29 int32_t h) { |
| 30 int32_t x, y; |
| 31 const uint8_t *src_ptr; |
| 32 uint8_t *dst_ptr; |
| 33 uint8_t *cm = vp9_ff_cropTbl; |
| 34 uint32_t vector4a = 64; |
| 35 uint32_t load1, load2, load3, load4; |
| 36 uint32_t p1, p2; |
| 37 uint32_t n1, n2; |
| 38 uint32_t scratch1, scratch2; |
| 39 uint32_t store1, store2; |
| 40 int32_t vector1b, vector2b, vector3b, vector4b; |
| 41 int32_t Temp1, Temp2; |
| 42 |
| 43 vector1b = ((const int32_t *)filter_y)[0]; |
| 44 vector2b = ((const int32_t *)filter_y)[1]; |
| 45 vector3b = ((const int32_t *)filter_y)[2]; |
| 46 vector4b = ((const int32_t *)filter_y)[3]; |
| 47 |
| 48 src -= 3 * src_stride; |
| 49 |
| 50 for (y = h; y--;) { |
| 51 /* prefetch data to cache memory */ |
| 52 vp9_prefetch_store(dst + dst_stride); |
| 53 |
| 54 for (x = 0; x < w; x += 4) { |
| 55 src_ptr = src + x; |
| 56 dst_ptr = dst + x; |
| 57 |
| 58 __asm__ __volatile__ ( |
| 59 "ulw %[load1], 0(%[src_ptr]) \n\t" |
| 60 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 61 "ulw %[load2], 0(%[src_ptr]) \n\t" |
| 62 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 63 "ulw %[load3], 0(%[src_ptr]) \n\t" |
| 64 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 65 "ulw %[load4], 0(%[src_ptr]) \n\t" |
| 66 |
| 67 "mtlo %[vector4a], $ac0 \n\t" |
| 68 "mtlo %[vector4a], $ac1 \n\t" |
| 69 "mtlo %[vector4a], $ac2 \n\t" |
| 70 "mtlo %[vector4a], $ac3 \n\t" |
| 71 "mthi $zero, $ac0 \n\t" |
| 72 "mthi $zero, $ac1 \n\t" |
| 73 "mthi $zero, $ac2 \n\t" |
| 74 "mthi $zero, $ac3 \n\t" |
| 75 |
| 76 "preceu.ph.qbr %[scratch1], %[load1] \n\t" |
| 77 "preceu.ph.qbr %[p1], %[load2] \n\t" |
| 78 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 79 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 80 "preceu.ph.qbr %[scratch2], %[load3] \n\t" |
| 81 "preceu.ph.qbr %[p2], %[load4] \n\t" |
| 82 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t"
/* pixel 2 */ |
| 83 "append %[p2], %[scratch2], 16 \n\t"
/* pixel 1 */ |
| 84 |
| 85 "dpa.w.ph $ac0, %[p1], %[vector1b] \n\t" |
| 86 "dpa.w.ph $ac0, %[p2], %[vector2b] \n\t" |
| 87 "dpa.w.ph $ac1, %[n1], %[vector1b] \n\t" |
| 88 "dpa.w.ph $ac1, %[n2], %[vector2b] \n\t" |
| 89 |
| 90 "preceu.ph.qbl %[scratch1], %[load1] \n\t" |
| 91 "preceu.ph.qbl %[p1], %[load2] \n\t" |
| 92 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 93 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 94 "preceu.ph.qbl %[scratch2], %[load3] \n\t" |
| 95 "preceu.ph.qbl %[p2], %[load4] \n\t" |
| 96 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t"
/* pixel 2 */ |
| 97 "append %[p2], %[scratch2], 16 \n\t"
/* pixel 1 */ |
| 98 |
| 99 "dpa.w.ph $ac2, %[p1], %[vector1b] \n\t" |
| 100 "dpa.w.ph $ac2, %[p2], %[vector2b] \n\t" |
| 101 "dpa.w.ph $ac3, %[n1], %[vector1b] \n\t" |
| 102 "dpa.w.ph $ac3, %[n2], %[vector2b] \n\t" |
| 103 |
| 104 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 105 "ulw %[load1], 0(%[src_ptr]) \n\t" |
| 106 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 107 "ulw %[load2], 0(%[src_ptr]) \n\t" |
| 108 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 109 "ulw %[load3], 0(%[src_ptr]) \n\t" |
| 110 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 111 "ulw %[load4], 0(%[src_ptr]) \n\t" |
| 112 |
| 113 "preceu.ph.qbr %[scratch1], %[load1] \n\t" |
| 114 "preceu.ph.qbr %[p1], %[load2] \n\t" |
| 115 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 116 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 117 "preceu.ph.qbr %[scratch2], %[load3] \n\t" |
| 118 "preceu.ph.qbr %[p2], %[load4] \n\t" |
| 119 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t"
/* pixel 2 */ |
| 120 "append %[p2], %[scratch2], 16 \n\t"
/* pixel 1 */ |
| 121 |
| 122 "dpa.w.ph $ac0, %[p1], %[vector3b] \n\t" |
| 123 "dpa.w.ph $ac0, %[p2], %[vector4b] \n\t" |
| 124 "extp %[Temp1], $ac0, 31 \n\t" |
| 125 "dpa.w.ph $ac1, %[n1], %[vector3b] \n\t" |
| 126 "dpa.w.ph $ac1, %[n2], %[vector4b] \n\t" |
| 127 "extp %[Temp2], $ac1, 31 \n\t" |
| 128 |
| 129 "preceu.ph.qbl %[scratch1], %[load1] \n\t" |
| 130 "preceu.ph.qbl %[p1], %[load2] \n\t" |
| 131 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 132 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 133 "preceu.ph.qbl %[scratch2], %[load3] \n\t" |
| 134 "preceu.ph.qbl %[p2], %[load4] \n\t" |
| 135 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t"
/* pixel 2 */ |
| 136 "append %[p2], %[scratch2], 16 \n\t"
/* pixel 1 */ |
| 137 |
| 138 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 139 "dpa.w.ph $ac2, %[p1], %[vector3b] \n\t" |
| 140 "dpa.w.ph $ac2, %[p2], %[vector4b] \n\t" |
| 141 "extp %[Temp1], $ac2, 31 \n\t" |
| 142 |
| 143 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 144 "dpa.w.ph $ac3, %[n1], %[vector3b] \n\t" |
| 145 "dpa.w.ph $ac3, %[n2], %[vector4b] \n\t" |
| 146 "extp %[Temp2], $ac3, 31 \n\t" |
| 147 |
| 148 "sb %[store1], 0(%[dst_ptr]) \n\t" |
| 149 "sb %[store2], 1(%[dst_ptr]) \n\t" |
| 150 |
| 151 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 152 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 153 |
| 154 "sb %[store1], 2(%[dst_ptr]) \n\t" |
| 155 "sb %[store2], 3(%[dst_ptr]) \n\t" |
| 156 |
| 157 : [load1] "=&r" (load1), [load2] "=&r" (load2), |
| 158 [load3] "=&r" (load3), [load4] "=&r" (load4), |
| 159 [p1] "=&r" (p1), [p2] "=&r" (p2), |
| 160 [n1] "=&r" (n1), [n2] "=&r" (n2), |
| 161 [scratch1] "=&r" (scratch1), [scratch2] "=&r" (scratch2), |
| 162 [Temp1] "=&r" (Temp1), [Temp2] "=&r" (Temp2), |
| 163 [store1] "=&r" (store1), [store2] "=&r" (store2), |
| 164 [src_ptr] "+r" (src_ptr) |
| 165 : [vector1b] "r" (vector1b), [vector2b] "r" (vector2b), |
| 166 [vector3b] "r" (vector3b), [vector4b] "r" (vector4b), |
| 167 [vector4a] "r" (vector4a), [src_stride] "r" (src_stride), |
| 168 [cm] "r" (cm), [dst_ptr] "r" (dst_ptr) |
| 169 ); |
| 170 } |
| 171 |
| 172 /* Next row... */ |
| 173 src += src_stride; |
| 174 dst += dst_stride; |
| 175 } |
| 176 } |
| 177 |
| 178 static void convolve_vert_64_dspr2(const uint8_t *src, |
| 179 int32_t src_stride, |
| 180 uint8_t *dst, |
| 181 int32_t dst_stride, |
| 182 const int16_t *filter_y, |
| 183 int32_t h) { |
| 184 int32_t x, y; |
| 185 const uint8_t *src_ptr; |
| 186 uint8_t *dst_ptr; |
| 187 uint8_t *cm = vp9_ff_cropTbl; |
| 188 uint32_t vector4a = 64; |
| 189 uint32_t load1, load2, load3, load4; |
| 190 uint32_t p1, p2; |
| 191 uint32_t n1, n2; |
| 192 uint32_t scratch1, scratch2; |
| 193 uint32_t store1, store2; |
| 194 int32_t vector1b, vector2b, vector3b, vector4b; |
| 195 int32_t Temp1, Temp2; |
| 196 |
| 197 vector1b = ((const int32_t *)filter_y)[0]; |
| 198 vector2b = ((const int32_t *)filter_y)[1]; |
| 199 vector3b = ((const int32_t *)filter_y)[2]; |
| 200 vector4b = ((const int32_t *)filter_y)[3]; |
| 201 |
| 202 src -= 3 * src_stride; |
| 203 |
| 204 for (y = h; y--;) { |
| 205 /* prefetch data to cache memory */ |
| 206 vp9_prefetch_store(dst + dst_stride); |
| 207 vp9_prefetch_store(dst + dst_stride + 32); |
| 208 |
| 209 for (x = 0; x < 64; x += 4) { |
| 210 src_ptr = src + x; |
| 211 dst_ptr = dst + x; |
| 212 |
| 213 __asm__ __volatile__ ( |
| 214 "ulw %[load1], 0(%[src_ptr]) \n\t" |
| 215 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 216 "ulw %[load2], 0(%[src_ptr]) \n\t" |
| 217 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 218 "ulw %[load3], 0(%[src_ptr]) \n\t" |
| 219 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 220 "ulw %[load4], 0(%[src_ptr]) \n\t" |
| 221 |
| 222 "mtlo %[vector4a], $ac0 \n\t" |
| 223 "mtlo %[vector4a], $ac1 \n\t" |
| 224 "mtlo %[vector4a], $ac2 \n\t" |
| 225 "mtlo %[vector4a], $ac3 \n\t" |
| 226 "mthi $zero, $ac0 \n\t" |
| 227 "mthi $zero, $ac1 \n\t" |
| 228 "mthi $zero, $ac2 \n\t" |
| 229 "mthi $zero, $ac3 \n\t" |
| 230 |
| 231 "preceu.ph.qbr %[scratch1], %[load1] \n\t" |
| 232 "preceu.ph.qbr %[p1], %[load2] \n\t" |
| 233 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 234 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 235 "preceu.ph.qbr %[scratch2], %[load3] \n\t" |
| 236 "preceu.ph.qbr %[p2], %[load4] \n\t" |
| 237 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t"
/* pixel 2 */ |
| 238 "append %[p2], %[scratch2], 16 \n\t"
/* pixel 1 */ |
| 239 |
| 240 "dpa.w.ph $ac0, %[p1], %[vector1b] \n\t" |
| 241 "dpa.w.ph $ac0, %[p2], %[vector2b] \n\t" |
| 242 "dpa.w.ph $ac1, %[n1], %[vector1b] \n\t" |
| 243 "dpa.w.ph $ac1, %[n2], %[vector2b] \n\t" |
| 244 |
| 245 "preceu.ph.qbl %[scratch1], %[load1] \n\t" |
| 246 "preceu.ph.qbl %[p1], %[load2] \n\t" |
| 247 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 248 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 249 "preceu.ph.qbl %[scratch2], %[load3] \n\t" |
| 250 "preceu.ph.qbl %[p2], %[load4] \n\t" |
| 251 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t"
/* pixel 2 */ |
| 252 "append %[p2], %[scratch2], 16 \n\t"
/* pixel 1 */ |
| 253 |
| 254 "dpa.w.ph $ac2, %[p1], %[vector1b] \n\t" |
| 255 "dpa.w.ph $ac2, %[p2], %[vector2b] \n\t" |
| 256 "dpa.w.ph $ac3, %[n1], %[vector1b] \n\t" |
| 257 "dpa.w.ph $ac3, %[n2], %[vector2b] \n\t" |
| 258 |
| 259 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 260 "ulw %[load1], 0(%[src_ptr]) \n\t" |
| 261 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 262 "ulw %[load2], 0(%[src_ptr]) \n\t" |
| 263 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 264 "ulw %[load3], 0(%[src_ptr]) \n\t" |
| 265 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 266 "ulw %[load4], 0(%[src_ptr]) \n\t" |
| 267 |
| 268 "preceu.ph.qbr %[scratch1], %[load1] \n\t" |
| 269 "preceu.ph.qbr %[p1], %[load2] \n\t" |
| 270 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 271 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 272 "preceu.ph.qbr %[scratch2], %[load3] \n\t" |
| 273 "preceu.ph.qbr %[p2], %[load4] \n\t" |
| 274 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t"
/* pixel 2 */ |
| 275 "append %[p2], %[scratch2], 16 \n\t"
/* pixel 1 */ |
| 276 |
| 277 "dpa.w.ph $ac0, %[p1], %[vector3b] \n\t" |
| 278 "dpa.w.ph $ac0, %[p2], %[vector4b] \n\t" |
| 279 "extp %[Temp1], $ac0, 31 \n\t" |
| 280 "dpa.w.ph $ac1, %[n1], %[vector3b] \n\t" |
| 281 "dpa.w.ph $ac1, %[n2], %[vector4b] \n\t" |
| 282 "extp %[Temp2], $ac1, 31 \n\t" |
| 283 |
| 284 "preceu.ph.qbl %[scratch1], %[load1] \n\t" |
| 285 "preceu.ph.qbl %[p1], %[load2] \n\t" |
| 286 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 287 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 288 "preceu.ph.qbl %[scratch2], %[load3] \n\t" |
| 289 "preceu.ph.qbl %[p2], %[load4] \n\t" |
| 290 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t"
/* pixel 2 */ |
| 291 "append %[p2], %[scratch2], 16 \n\t"
/* pixel 1 */ |
| 292 |
| 293 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 294 "dpa.w.ph $ac2, %[p1], %[vector3b] \n\t" |
| 295 "dpa.w.ph $ac2, %[p2], %[vector4b] \n\t" |
| 296 "extp %[Temp1], $ac2, 31 \n\t" |
| 297 |
| 298 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 299 "dpa.w.ph $ac3, %[n1], %[vector3b] \n\t" |
| 300 "dpa.w.ph $ac3, %[n2], %[vector4b] \n\t" |
| 301 "extp %[Temp2], $ac3, 31 \n\t" |
| 302 |
| 303 "sb %[store1], 0(%[dst_ptr]) \n\t" |
| 304 "sb %[store2], 1(%[dst_ptr]) \n\t" |
| 305 |
| 306 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 307 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 308 |
| 309 "sb %[store1], 2(%[dst_ptr]) \n\t" |
| 310 "sb %[store2], 3(%[dst_ptr]) \n\t" |
| 311 |
| 312 : [load1] "=&r" (load1), [load2] "=&r" (load2), |
| 313 [load3] "=&r" (load3), [load4] "=&r" (load4), |
| 314 [p1] "=&r" (p1), [p2] "=&r" (p2), |
| 315 [n1] "=&r" (n1), [n2] "=&r" (n2), |
| 316 [scratch1] "=&r" (scratch1), [scratch2] "=&r" (scratch2), |
| 317 [Temp1] "=&r" (Temp1), [Temp2] "=&r" (Temp2), |
| 318 [store1] "=&r" (store1), [store2] "=&r" (store2), |
| 319 [src_ptr] "+r" (src_ptr) |
| 320 : [vector1b] "r" (vector1b), [vector2b] "r" (vector2b), |
| 321 [vector3b] "r" (vector3b), [vector4b] "r" (vector4b), |
| 322 [vector4a] "r" (vector4a), [src_stride] "r" (src_stride), |
| 323 [cm] "r" (cm), [dst_ptr] "r" (dst_ptr) |
| 324 ); |
| 325 } |
| 326 |
| 327 /* Next row... */ |
| 328 src += src_stride; |
| 329 dst += dst_stride; |
| 330 } |
| 331 } |
| 332 |
| 333 void vp9_convolve8_vert_dspr2(const uint8_t *src, ptrdiff_t src_stride, |
| 334 uint8_t *dst, ptrdiff_t dst_stride, |
| 335 const int16_t *filter_x, int x_step_q4, |
| 336 const int16_t *filter_y, int y_step_q4, |
| 337 int w, int h) { |
| 338 if (((const int32_t *)filter_y)[1] == 0x800000) { |
| 339 vp9_convolve_copy(src, src_stride, |
| 340 dst, dst_stride, |
| 341 filter_x, x_step_q4, |
| 342 filter_y, y_step_q4, |
| 343 w, h); |
| 344 } else if (((const int32_t *)filter_y)[0] == 0) { |
| 345 vp9_convolve2_vert_dspr2(src, src_stride, |
| 346 dst, dst_stride, |
| 347 filter_x, x_step_q4, |
| 348 filter_y, y_step_q4, |
| 349 w, h); |
| 350 } else { |
| 351 if (16 == y_step_q4) { |
| 352 uint32_t pos = 38; |
| 353 |
| 354 /* bit positon for extract from acc */ |
| 355 __asm__ __volatile__ ( |
| 356 "wrdsp %[pos], 1 \n\t" |
| 357 : |
| 358 : [pos] "r" (pos) |
| 359 ); |
| 360 |
| 361 vp9_prefetch_store(dst); |
| 362 |
| 363 switch (w) { |
| 364 case 4 : |
| 365 case 8 : |
| 366 case 16 : |
| 367 case 32 : |
| 368 convolve_vert_4_dspr2(src, src_stride, |
| 369 dst, dst_stride, |
| 370 filter_y, w, h); |
| 371 break; |
| 372 case 64 : |
| 373 vp9_prefetch_store(dst + 32); |
| 374 convolve_vert_64_dspr2(src, src_stride, |
| 375 dst, dst_stride, |
| 376 filter_y, h); |
| 377 break; |
| 378 default: |
| 379 vp9_convolve8_vert_c(src, src_stride, |
| 380 dst, dst_stride, |
| 381 filter_x, x_step_q4, |
| 382 filter_y, y_step_q4, |
| 383 w, h); |
| 384 break; |
| 385 } |
| 386 } else { |
| 387 vp9_convolve8_vert_c(src, src_stride, |
| 388 dst, dst_stride, |
| 389 filter_x, x_step_q4, |
| 390 filter_y, y_step_q4, |
| 391 w, h); |
| 392 } |
| 393 } |
| 394 } |
| 395 |
| 396 #endif |
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Chromium Code Reviews
Issue 54923004:
libvpx: Pull from upstream (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/