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_dsp_rtcd.h" 15#include "vpx_dsp/mips/convolve_common_dspr2.h" 16#include "vpx_dsp/vpx_convolve.h" 17#include "vpx_dsp/vpx_dsp_common.h" 18#include "vpx_ports/mem.h" 19 20#if HAVE_DSPR2 21static void convolve_bi_avg_vert_4_dspr2(const uint8_t *src, int32_t src_stride, 22 uint8_t *dst, int32_t dst_stride, 23 const int16_t *filter_y, int32_t w, 24 int32_t h) { 25 int32_t x, y; 26 const uint8_t *src_ptr; 27 uint8_t *dst_ptr; 28 uint8_t *cm = vpx_ff_cropTbl; 29 uint32_t vector4a = 64; 30 uint32_t load1, load2; 31 uint32_t p1, p2; 32 uint32_t scratch1, scratch2; 33 uint32_t store1, store2; 34 int32_t Temp1, Temp2; 35 const int16_t *filter = &filter_y[3]; 36 uint32_t filter45; 37 38 filter45 = ((const int32_t *)filter)[0]; 39 40 for (y = h; y--;) { 41 /* prefetch data to cache memory */ 42 prefetch_store(dst + dst_stride); 43 44 for (x = 0; x < w; x += 4) { 45 src_ptr = src + x; 46 dst_ptr = dst + x; 47 48 __asm__ __volatile__( 49 "ulw %[load1], 0(%[src_ptr]) \n\t" 50 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 51 "ulw %[load2], 0(%[src_ptr]) \n\t" 52 53 "mtlo %[vector4a], $ac0 \n\t" 54 "mtlo %[vector4a], $ac1 \n\t" 55 "mtlo %[vector4a], $ac2 \n\t" 56 "mtlo %[vector4a], $ac3 \n\t" 57 "mthi $zero, $ac0 \n\t" 58 "mthi $zero, $ac1 \n\t" 59 "mthi $zero, $ac2 \n\t" 60 "mthi $zero, $ac3 \n\t" 61 62 "preceu.ph.qbr %[scratch1], %[load1] \n\t" 63 "preceu.ph.qbr %[p1], %[load2] \n\t" 64 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ 65 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 66 67 "dpa.w.ph $ac0, %[p1], %[filter45] \n\t" 68 "dpa.w.ph $ac1, %[p2], %[filter45] \n\t" 69 70 "preceu.ph.qbl %[scratch1], %[load1] \n\t" 71 "preceu.ph.qbl %[p1], %[load2] \n\t" 72 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ 73 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 74 75 "dpa.w.ph $ac2, %[p1], %[filter45] \n\t" 76 "dpa.w.ph $ac3, %[p2], %[filter45] \n\t" 77 78 "extp %[Temp1], $ac0, 31 \n\t" 79 "extp %[Temp2], $ac1, 31 \n\t" 80 81 "lbu %[scratch1], 0(%[dst_ptr]) \n\t" 82 "lbu %[scratch2], 1(%[dst_ptr]) \n\t" 83 84 "lbux %[store1], %[Temp1](%[cm]) \n\t" 85 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t" /* pixel 1 */ 86 "extp %[Temp1], $ac2, 31 \n\t" 87 88 "lbux %[store2], %[Temp2](%[cm]) \n\t" 89 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t" /* pixel 2 */ 90 "extp %[Temp2], $ac3, 31 \n\t" 91 "lbu %[scratch1], 2(%[dst_ptr]) \n\t" 92 93 "sb %[store1], 0(%[dst_ptr]) \n\t" 94 "sb %[store2], 1(%[dst_ptr]) \n\t" 95 "lbu %[scratch2], 3(%[dst_ptr]) \n\t" 96 97 "lbux %[store1], %[Temp1](%[cm]) \n\t" 98 "lbux %[store2], %[Temp2](%[cm]) \n\t" 99 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t" /* pixel 3 */ 100 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t" /* pixel 4 */ 101 102 "sb %[store1], 2(%[dst_ptr]) \n\t" 103 "sb %[store2], 3(%[dst_ptr]) \n\t" 104 105 : [load1] "=&r"(load1), [load2] "=&r"(load2), [p1] "=&r"(p1), 106 [p2] "=&r"(p2), [scratch1] "=&r"(scratch1), 107 [scratch2] "=&r"(scratch2), [Temp1] "=&r"(Temp1), 108 [Temp2] "=&r"(Temp2), [store1] "=&r"(store1), 109 [store2] "=&r"(store2), [src_ptr] "+r"(src_ptr) 110 : [filter45] "r"(filter45), [vector4a] "r"(vector4a), 111 [src_stride] "r"(src_stride), [cm] "r"(cm), [dst_ptr] "r"(dst_ptr)); 112 } 113 114 /* Next row... */ 115 src += src_stride; 116 dst += dst_stride; 117 } 118} 119 120static void convolve_bi_avg_vert_64_dspr2(const uint8_t *src, 121 int32_t src_stride, uint8_t *dst, 122 int32_t dst_stride, 123 const int16_t *filter_y, int32_t h) { 124 int32_t x, y; 125 const uint8_t *src_ptr; 126 uint8_t *dst_ptr; 127 uint8_t *cm = vpx_ff_cropTbl; 128 uint32_t vector4a = 64; 129 uint32_t load1, load2; 130 uint32_t p1, p2; 131 uint32_t scratch1, scratch2; 132 uint32_t store1, store2; 133 int32_t Temp1, Temp2; 134 const int16_t *filter = &filter_y[3]; 135 uint32_t filter45; 136 137 filter45 = ((const int32_t *)filter)[0]; 138 139 for (y = h; y--;) { 140 /* prefetch data to cache memory */ 141 prefetch_store(dst + dst_stride); 142 prefetch_store(dst + dst_stride + 32); 143 144 for (x = 0; x < 64; x += 4) { 145 src_ptr = src + x; 146 dst_ptr = dst + x; 147 148 __asm__ __volatile__( 149 "ulw %[load1], 0(%[src_ptr]) \n\t" 150 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 151 "ulw %[load2], 0(%[src_ptr]) \n\t" 152 153 "mtlo %[vector4a], $ac0 \n\t" 154 "mtlo %[vector4a], $ac1 \n\t" 155 "mtlo %[vector4a], $ac2 \n\t" 156 "mtlo %[vector4a], $ac3 \n\t" 157 "mthi $zero, $ac0 \n\t" 158 "mthi $zero, $ac1 \n\t" 159 "mthi $zero, $ac2 \n\t" 160 "mthi $zero, $ac3 \n\t" 161 162 "preceu.ph.qbr %[scratch1], %[load1] \n\t" 163 "preceu.ph.qbr %[p1], %[load2] \n\t" 164 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ 165 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 166 167 "dpa.w.ph $ac0, %[p1], %[filter45] \n\t" 168 "dpa.w.ph $ac1, %[p2], %[filter45] \n\t" 169 170 "preceu.ph.qbl %[scratch1], %[load1] \n\t" 171 "preceu.ph.qbl %[p1], %[load2] \n\t" 172 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ 173 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 174 175 "dpa.w.ph $ac2, %[p1], %[filter45] \n\t" 176 "dpa.w.ph $ac3, %[p2], %[filter45] \n\t" 177 178 "extp %[Temp1], $ac0, 31 \n\t" 179 "extp %[Temp2], $ac1, 31 \n\t" 180 181 "lbu %[scratch1], 0(%[dst_ptr]) \n\t" 182 "lbu %[scratch2], 1(%[dst_ptr]) \n\t" 183 184 "lbux %[store1], %[Temp1](%[cm]) \n\t" 185 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t" /* pixel 1 */ 186 "extp %[Temp1], $ac2, 31 \n\t" 187 188 "lbux %[store2], %[Temp2](%[cm]) \n\t" 189 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t" /* pixel 2 */ 190 "extp %[Temp2], $ac3, 31 \n\t" 191 "lbu %[scratch1], 2(%[dst_ptr]) \n\t" 192 193 "sb %[store1], 0(%[dst_ptr]) \n\t" 194 "sb %[store2], 1(%[dst_ptr]) \n\t" 195 "lbu %[scratch2], 3(%[dst_ptr]) \n\t" 196 197 "lbux %[store1], %[Temp1](%[cm]) \n\t" 198 "lbux %[store2], %[Temp2](%[cm]) \n\t" 199 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t" /* pixel 3 */ 200 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t" /* pixel 4 */ 201 202 "sb %[store1], 2(%[dst_ptr]) \n\t" 203 "sb %[store2], 3(%[dst_ptr]) \n\t" 204 205 : [load1] "=&r"(load1), [load2] "=&r"(load2), [p1] "=&r"(p1), 206 [p2] "=&r"(p2), [scratch1] "=&r"(scratch1), 207 [scratch2] "=&r"(scratch2), [Temp1] "=&r"(Temp1), 208 [Temp2] "=&r"(Temp2), [store1] "=&r"(store1), 209 [store2] "=&r"(store2), [src_ptr] "+r"(src_ptr) 210 : [filter45] "r"(filter45), [vector4a] "r"(vector4a), 211 [src_stride] "r"(src_stride), [cm] "r"(cm), [dst_ptr] "r"(dst_ptr)); 212 } 213 214 /* Next row... */ 215 src += src_stride; 216 dst += dst_stride; 217 } 218} 219 220void vpx_convolve2_avg_vert_dspr2(const uint8_t *src, ptrdiff_t src_stride, 221 uint8_t *dst, ptrdiff_t dst_stride, 222 const int16_t *filter_x, int x_step_q4, 223 const int16_t *filter_y, int y_step_q4, int w, 224 int h) { 225 uint32_t pos = 38; 226 227 assert(y_step_q4 == 16); 228 229 /* bit positon for extract from acc */ 230 __asm__ __volatile__("wrdsp %[pos], 1 \n\t" 231 : 232 : [pos] "r"(pos)); 233 234 prefetch_store(dst); 235 236 switch (w) { 237 case 4: 238 case 8: 239 case 16: 240 case 32: 241 convolve_bi_avg_vert_4_dspr2(src, src_stride, dst, dst_stride, filter_y, 242 w, h); 243 break; 244 case 64: 245 prefetch_store(dst + 32); 246 convolve_bi_avg_vert_64_dspr2(src, src_stride, dst, dst_stride, filter_y, 247 h); 248 break; 249 default: 250 vpx_convolve8_avg_vert_c(src, src_stride, dst, dst_stride, filter_x, 251 x_step_q4, filter_y, y_step_q4, w, h); 252 break; 253 } 254} 255#endif 256