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 282
