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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_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; |
| 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 |
| 70 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 71 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 72 |
| 73 "dpa.w.ph $ac0, %[p1], %[filter45] \n\t" |
| 74 "dpa.w.ph $ac1, %[p2], %[filter45] \n\t" |
| 75 |
| 76 "preceu.ph.qbl %[scratch1], %[load1] \n\t" |
| 77 "preceu.ph.qbl %[p1], %[load2] \n\t" |
| 78 |
| 79 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 80 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 81 |
| 82 "dpa.w.ph $ac2, %[p1], %[filter45] \n\t" |
| 83 "dpa.w.ph $ac3, %[p2], %[filter45] \n\t" |
| 84 |
| 85 "extp %[Temp1], $ac0, 31 \n\t" |
| 86 "extp %[Temp2], $ac1, 31 \n\t" |
| 87 |
| 88 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 89 "extp %[Temp1], $ac2, 31 \n\t" |
| 90 |
| 91 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 92 "extp %[Temp2], $ac3, 31 \n\t" |
| 93 |
| 94 "sb %[store1], 0(%[dst_ptr]) \n\t" |
| 95 "sb %[store2], 1(%[dst_ptr]) \n\t" |
| 96 |
| 97 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 98 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 99 |
| 100 "sb %[store1], 2(%[dst_ptr]) \n\t" |
| 101 "sb %[store2], 3(%[dst_ptr]) \n\t" |
| 102 |
| 103 : [load1] "=&r" (load1), [load2] "=&r" (load2), |
| 104 [p1] "=&r" (p1), [p2] "=&r" (p2), |
| 105 [scratch1] "=&r" (scratch1), |
| 106 [Temp1] "=&r" (Temp1), [Temp2] "=&r" (Temp2), |
| 107 [store1] "=&r" (store1), [store2] "=&r" (store2), |
| 108 [src_ptr] "+r" (src_ptr) |
| 109 : [filter45] "r" (filter45),[vector4a] "r" (vector4a), |
| 110 [src_stride] "r" (src_stride), |
| 111 [cm] "r" (cm), [dst_ptr] "r" (dst_ptr) |
| 112 ); |
| 113 } |
| 114 |
| 115 /* Next row... */ |
| 116 src += src_stride; |
| 117 dst += dst_stride; |
| 118 } |
| 119 } |
| 120 |
| 121 static void convolve_bi_vert_64_dspr2(const uint8_t *src, |
| 122 int32_t src_stride, |
| 123 uint8_t *dst, |
| 124 int32_t dst_stride, |
| 125 const int16_t *filter_y, |
| 126 int32_t h) { |
| 127 int32_t x, y; |
| 128 const uint8_t *src_ptr; |
| 129 uint8_t *dst_ptr; |
| 130 uint8_t *cm = vp9_ff_cropTbl; |
| 131 uint32_t vector4a = 64; |
| 132 uint32_t load1, load2; |
| 133 uint32_t p1, p2; |
| 134 uint32_t scratch1; |
| 135 uint32_t store1, store2; |
| 136 int32_t Temp1, Temp2; |
| 137 const int16_t *filter = &filter_y[3]; |
| 138 uint32_t filter45; |
| 139 |
| 140 filter45 = ((const int32_t *)filter)[0]; |
| 141 |
| 142 for (y = h; y--;) { |
| 143 /* prefetch data to cache memory */ |
| 144 vp9_prefetch_store(dst + dst_stride); |
| 145 |
| 146 for (x = 0; x < 64; x += 4) { |
| 147 src_ptr = src + x; |
| 148 dst_ptr = dst + x; |
| 149 |
| 150 __asm__ __volatile__ ( |
| 151 "ulw %[load1], 0(%[src_ptr]) \n\t" |
| 152 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" |
| 153 "ulw %[load2], 0(%[src_ptr]) \n\t" |
| 154 |
| 155 "mtlo %[vector4a], $ac0 \n\t" |
| 156 "mtlo %[vector4a], $ac1 \n\t" |
| 157 "mtlo %[vector4a], $ac2 \n\t" |
| 158 "mtlo %[vector4a], $ac3 \n\t" |
| 159 "mthi $zero, $ac0 \n\t" |
| 160 "mthi $zero, $ac1 \n\t" |
| 161 "mthi $zero, $ac2 \n\t" |
| 162 "mthi $zero, $ac3 \n\t" |
| 163 |
| 164 "preceu.ph.qbr %[scratch1], %[load1] \n\t" |
| 165 "preceu.ph.qbr %[p1], %[load2] \n\t" |
| 166 |
| 167 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 168 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 169 |
| 170 "dpa.w.ph $ac0, %[p1], %[filter45] \n\t" |
| 171 "dpa.w.ph $ac1, %[p2], %[filter45] \n\t" |
| 172 |
| 173 "preceu.ph.qbl %[scratch1], %[load1] \n\t" |
| 174 "preceu.ph.qbl %[p1], %[load2] \n\t" |
| 175 |
| 176 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t"
/* pixel 2 */ |
| 177 "append %[p1], %[scratch1], 16 \n\t"
/* pixel 1 */ |
| 178 |
| 179 "dpa.w.ph $ac2, %[p1], %[filter45] \n\t" |
| 180 "dpa.w.ph $ac3, %[p2], %[filter45] \n\t" |
| 181 |
| 182 "extp %[Temp1], $ac0, 31 \n\t" |
| 183 "extp %[Temp2], $ac1, 31 \n\t" |
| 184 |
| 185 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 186 "extp %[Temp1], $ac2, 31 \n\t" |
| 187 |
| 188 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 189 "extp %[Temp2], $ac3, 31 \n\t" |
| 190 |
| 191 "sb %[store1], 0(%[dst_ptr]) \n\t" |
| 192 "sb %[store2], 1(%[dst_ptr]) \n\t" |
| 193 |
| 194 "lbux %[store1], %[Temp1](%[cm]) \n\t" |
| 195 "lbux %[store2], %[Temp2](%[cm]) \n\t" |
| 196 |
| 197 "sb %[store1], 2(%[dst_ptr]) \n\t" |
| 198 "sb %[store2], 3(%[dst_ptr]) \n\t" |
| 199 |
| 200 : [load1] "=&r" (load1), [load2] "=&r" (load2), |
| 201 [p1] "=&r" (p1), [p2] "=&r" (p2), |
| 202 [scratch1] "=&r" (scratch1), |
| 203 [Temp1] "=&r" (Temp1), [Temp2] "=&r" (Temp2), |
| 204 [store1] "=&r" (store1), [store2] "=&r" (store2), |
| 205 [src_ptr] "+r" (src_ptr) |
| 206 : [filter45] "r" (filter45),[vector4a] "r" (vector4a), |
| 207 [src_stride] "r" (src_stride), |
| 208 [cm] "r" (cm), [dst_ptr] "r" (dst_ptr) |
| 209 ); |
| 210 } |
| 211 |
| 212 /* Next row... */ |
| 213 src += src_stride; |
| 214 dst += dst_stride; |
| 215 } |
| 216 } |
| 217 |
| 218 void vp9_convolve2_vert_dspr2(const uint8_t *src, ptrdiff_t src_stride, |
| 219 uint8_t *dst, ptrdiff_t dst_stride, |
| 220 const int16_t *filter_x, int x_step_q4, |
| 221 const int16_t *filter_y, int y_step_q4, |
| 222 int w, int h) { |
| 223 if (16 == y_step_q4) { |
| 224 uint32_t pos = 38; |
| 225 |
| 226 /* bit positon for extract from acc */ |
| 227 __asm__ __volatile__ ( |
| 228 "wrdsp %[pos], 1 \n\t" |
| 229 : |
| 230 : [pos] "r" (pos) |
| 231 ); |
| 232 |
| 233 vp9_prefetch_store(dst); |
| 234 |
| 235 switch (w) { |
| 236 case 4 : |
| 237 case 8 : |
| 238 case 16 : |
| 239 case 32 : |
| 240 convolve_bi_vert_4_dspr2(src, src_stride, |
| 241 dst, dst_stride, |
| 242 filter_y, w, h); |
| 243 break; |
| 244 case 64 : |
| 245 vp9_prefetch_store(dst + 32); |
| 246 convolve_bi_vert_64_dspr2(src, src_stride, |
| 247 dst, dst_stride, |
| 248 filter_y, h); |
| 249 break; |
| 250 default: |
| 251 vp9_convolve8_vert_c(src, src_stride, |
| 252 dst, dst_stride, |
| 253 filter_x, x_step_q4, |
| 254 filter_y, y_step_q4, |
| 255 w, h); |
| 256 break; |
| 257 } |
| 258 } else { |
| 259 vp9_convolve8_vert_c(src, src_stride, |
| 260 dst, dst_stride, |
| 261 filter_x, x_step_q4, |
| 262 filter_y, y_step_q4, |
| 263 w, h); |
| 264 } |
| 265 } |
| 266 #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/