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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_bi_avg_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; |
| 36 uint32_t p1, p2; |
| 37 uint32_t scratch1, scratch2; |
| 38 uint32_t store1, store2; |
| 39 int32_t Temp1, Temp2; |
| 40 const int16_t *filter = &filter_y[3]; |
| 41 uint32_t filter45; |
| 42 |
| 43 filter45 = ((const int32_t *)filter)[0]; |
| 44 |
| 45 for (y = h; y--;) { |
| 46 /* prefetch data to cache memory */ |
| 47 vp9_prefetch_store(dst + dst_stride); |
| 48 |
| 49 for (x = 0; x < w; x += 4) { |
| 50 src_ptr = src + x; |
| 51 dst_ptr = dst + x; |
| 52 |
| 53 __asm__ __volatile__ ( |
| 54 "ulw %[load1], 0(%[src_ptr]) \n\t" |
| 55 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 56 "ulw %[load2], 0(%[src_ptr]) \n\t" |
| 57 |
| 58 "mtlo %[vector4a], $ac0 \n\t" |
| 59 "mtlo %[vector4a], $ac1 \n\t" |
| 60 "mtlo %[vector4a], $ac2 \n\t" |
| 61 "mtlo %[vector4a], $ac3 \n\t" |
| 62 "mthi $zero, $ac0 \n\t" |
| 63 "mthi $zero, $ac1 \n\t" |
| 64 "mthi $zero, $ac2 \n\t" |
| 65 "mthi $zero, $ac3 \n\t" |
| 66 |
| 67 "preceu.ph.qbr %[scratch1], %[load1] \n\t" |
| 68 "preceu.ph.qbr %[p1], %[load2] \n\t" |
| 69 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 70 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 71 |
| 72 "dpa.w.ph $ac0, %[p1], %[filter45] \n\t" |
| 73 "dpa.w.ph $ac1, %[p2], %[filter45] \n\t" |
| 74 |
| 75 "preceu.ph.qbl %[scratch1], %[load1] \n\t" |
| 76 "preceu.ph.qbl %[p1], %[load2] \n\t" |
| 77 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 78 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 79 |
| 80 "dpa.w.ph $ac2, %[p1], %[filter45] \n\t" |
| 81 "dpa.w.ph $ac3, %[p2], %[filter45] \n\t" |
| 82 |
| 83 "extp %[Temp1], $ac0, 31 \n\t" |
| 84 "extp %[Temp2], $ac1, 31 \n\t" |
| 85 |
| 86 "lbu %[scratch1], 0(%[dst_ptr]) \n\t" |
| 87 "lbu %[scratch2], 1(%[dst_ptr]) \n\t" |
| 88 |
| 89 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 90 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t"
/* pixel 1 */ |
| 91 "extp %[Temp1], $ac2, 31 \n\t" |
| 92 |
| 93 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 94 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t"
/* pixel 2 */ |
| 95 "extp %[Temp2], $ac3, 31 \n\t" |
| 96 "lbu %[scratch1], 2(%[dst_ptr]) \n\t" |
| 97 |
| 98 "sb %[store1], 0(%[dst_ptr]) \n\t" |
| 99 "sb %[store2], 1(%[dst_ptr]) \n\t" |
| 100 "lbu %[scratch2], 3(%[dst_ptr]) \n\t" |
| 101 |
| 102 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 103 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 104 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t"
/* pixel 3 */ |
| 105 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t"
/* pixel 4 */ |
| 106 |
| 107 "sb %[store1], 2(%[dst_ptr]) \n\t" |
| 108 "sb %[store2], 3(%[dst_ptr]) \n\t" |
| 109 |
| 110 : [load1] "=&r" (load1), [load2] "=&r" (load2), |
| 111 [p1] "=&r" (p1), [p2] "=&r" (p2), |
| 112 [scratch1] "=&r" (scratch1), [scratch2] "=&r" (scratch2), |
| 113 [Temp1] "=&r" (Temp1), [Temp2] "=&r" (Temp2), |
| 114 [store1] "=&r" (store1), [store2] "=&r" (store2), |
| 115 [src_ptr] "+r" (src_ptr) |
| 116 : [filter45] "r" (filter45), [vector4a] "r" (vector4a), |
| 117 [src_stride] "r" (src_stride), [cm] "r" (cm), |
| 118 [dst_ptr] "r" (dst_ptr) |
| 119 ); |
| 120 } |
| 121 |
| 122 /* Next row... */ |
| 123 src += src_stride; |
| 124 dst += dst_stride; |
| 125 } |
| 126 } |
| 127 |
| 128 static void convolve_bi_avg_vert_64_dspr2(const uint8_t *src, |
| 129 int32_t src_stride, |
| 130 uint8_t *dst, |
| 131 int32_t dst_stride, |
| 132 const int16_t *filter_y, |
| 133 int32_t h) { |
| 134 int32_t x, y; |
| 135 const uint8_t *src_ptr; |
| 136 uint8_t *dst_ptr; |
| 137 uint8_t *cm = vp9_ff_cropTbl; |
| 138 uint32_t vector4a = 64; |
| 139 uint32_t load1, load2; |
| 140 uint32_t p1, p2; |
| 141 uint32_t scratch1, scratch2; |
| 142 uint32_t store1, store2; |
| 143 int32_t Temp1, Temp2; |
| 144 const int16_t *filter = &filter_y[3]; |
| 145 uint32_t filter45;; |
| 146 |
| 147 filter45 = ((const int32_t *)filter)[0]; |
| 148 |
| 149 for (y = h; y--;) { |
| 150 /* prefetch data to cache memory */ |
| 151 vp9_prefetch_store(dst + dst_stride); |
| 152 vp9_prefetch_store(dst + dst_stride + 32); |
| 153 |
| 154 for (x = 0; x < 64; x += 4) { |
| 155 src_ptr = src + x; |
| 156 dst_ptr = dst + x; |
| 157 |
| 158 __asm__ __volatile__ ( |
| 159 "ulw %[load1], 0(%[src_ptr]) \n\t" |
| 160 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 161 "ulw %[load2], 0(%[src_ptr]) \n\t" |
| 162 |
| 163 "mtlo %[vector4a], $ac0 \n\t" |
| 164 "mtlo %[vector4a], $ac1 \n\t" |
| 165 "mtlo %[vector4a], $ac2 \n\t" |
| 166 "mtlo %[vector4a], $ac3 \n\t" |
| 167 "mthi $zero, $ac0 \n\t" |
| 168 "mthi $zero, $ac1 \n\t" |
| 169 "mthi $zero, $ac2 \n\t" |
| 170 "mthi $zero, $ac3 \n\t" |
| 171 |
| 172 "preceu.ph.qbr %[scratch1], %[load1] \n\t" |
| 173 "preceu.ph.qbr %[p1], %[load2] \n\t" |
| 174 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 175 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 176 |
| 177 "dpa.w.ph $ac0, %[p1], %[filter45] \n\t" |
| 178 "dpa.w.ph $ac1, %[p2], %[filter45] \n\t" |
| 179 |
| 180 "preceu.ph.qbl %[scratch1], %[load1] \n\t" |
| 181 "preceu.ph.qbl %[p1], %[load2] \n\t" |
| 182 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 183 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 184 |
| 185 "dpa.w.ph $ac2, %[p1], %[filter45] \n\t" |
| 186 "dpa.w.ph $ac3, %[p2], %[filter45] \n\t" |
| 187 |
| 188 "extp %[Temp1], $ac0, 31 \n\t" |
| 189 "extp %[Temp2], $ac1, 31 \n\t" |
| 190 |
| 191 "lbu %[scratch1], 0(%[dst_ptr]) \n\t" |
| 192 "lbu %[scratch2], 1(%[dst_ptr]) \n\t" |
| 193 |
| 194 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 195 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t"
/* pixel 1 */ |
| 196 "extp %[Temp1], $ac2, 31 \n\t" |
| 197 |
| 198 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 199 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t"
/* pixel 2 */ |
| 200 "extp %[Temp2], $ac3, 31 \n\t" |
| 201 "lbu %[scratch1], 2(%[dst_ptr]) \n\t" |
| 202 |
| 203 "sb %[store1], 0(%[dst_ptr]) \n\t" |
| 204 "sb %[store2], 1(%[dst_ptr]) \n\t" |
| 205 "lbu %[scratch2], 3(%[dst_ptr]) \n\t" |
| 206 |
| 207 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 208 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 209 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t"
/* pixel 3 */ |
| 210 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t"
/* pixel 4 */ |
| 211 |
| 212 "sb %[store1], 2(%[dst_ptr]) \n\t" |
| 213 "sb %[store2], 3(%[dst_ptr]) \n\t" |
| 214 |
| 215 : [load1] "=&r" (load1), [load2] "=&r" (load2), |
| 216 [p1] "=&r" (p1), [p2] "=&r" (p2), |
| 217 [scratch1] "=&r" (scratch1), [scratch2] "=&r" (scratch2), |
| 218 [Temp1] "=&r" (Temp1), [Temp2] "=&r" (Temp2), |
| 219 [store1] "=&r" (store1), [store2] "=&r" (store2), |
| 220 [src_ptr] "+r" (src_ptr) |
| 221 : [filter45] "r" (filter45), [vector4a] "r" (vector4a), |
| 222 [src_stride] "r" (src_stride), [cm] "r" (cm), |
| 223 [dst_ptr] "r" (dst_ptr) |
| 224 ); |
| 225 } |
| 226 |
| 227 /* Next row... */ |
| 228 src += src_stride; |
| 229 dst += dst_stride; |
| 230 } |
| 231 } |
| 232 |
| 233 void vp9_convolve2_avg_vert_dspr2(const uint8_t *src, ptrdiff_t src_stride, |
| 234 uint8_t *dst, ptrdiff_t dst_stride, |
| 235 const int16_t *filter_x, int x_step_q4, |
| 236 const int16_t *filter_y, int y_step_q4, |
| 237 int w, int h) { |
| 238 if (16 == y_step_q4) { |
| 239 uint32_t pos = 38; |
| 240 |
| 241 /* bit positon for extract from acc */ |
| 242 __asm__ __volatile__ ( |
| 243 "wrdsp %[pos], 1 \n\t" |
| 244 : |
| 245 : [pos] "r" (pos) |
| 246 ); |
| 247 |
| 248 vp9_prefetch_store(dst); |
| 249 |
| 250 switch (w) { |
| 251 case 4: |
| 252 case 8: |
| 253 case 16: |
| 254 case 32: |
| 255 convolve_bi_avg_vert_4_dspr2(src, src_stride, |
| 256 dst, dst_stride, |
| 257 filter_y, w, h); |
| 258 break; |
| 259 case 64: |
| 260 vp9_prefetch_store(dst + 32); |
| 261 convolve_bi_avg_vert_64_dspr2(src, src_stride, |
| 262 dst, dst_stride, |
| 263 filter_y, h); |
| 264 break; |
| 265 default: |
| 266 vp9_convolve8_avg_vert_c(src, src_stride, |
| 267 dst, dst_stride, |
| 268 filter_x, x_step_q4, |
| 269 filter_y, y_step_q4, |
| 270 w, h); |
| 271 break; |
| 272 } |
| 273 } else { |
| 274 vp9_convolve8_avg_vert_c(src, src_stride, |
| 275 dst, dst_stride, |
| 276 filter_x, x_step_q4, |
| 277 filter_y, y_step_q4, |
| 278 w, h); |
| 279 } |
| 280 } |
| 281 #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/