1 // Copyright 2016 Google Inc. All Rights Reserved. 2 // 3 // Use of this source code is governed by a BSD-style license 4 // that can be found in the COPYING file in the root of the source 5 // tree. An additional intellectual property rights grant can be found 6 // in the file PATENTS. All contributing project authors may 7 // be found in the AUTHORS file in the root of the source tree. 8 // ----------------------------------------------------------------------------- 9 // 10 // MSA version of dsp functions 11 // 12 // Author(s): Prashant Patil (prashant.patil (at) imgtec.com) 13 14 15 #include "./dsp.h" 16 17 #if defined(WEBP_USE_MSA) 18 19 #include "./msa_macro.h" 20 21 //------------------------------------------------------------------------------ 22 // Transforms 23 24 #define IDCT_1D_W(in0, in1, in2, in3, out0, out1, out2, out3) { \ 25 v4i32 a1_m, b1_m, c1_m, d1_m; \ 26 v4i32 c_tmp1_m, c_tmp2_m, d_tmp1_m, d_tmp2_m; \ 27 const v4i32 cospi8sqrt2minus1 = __msa_fill_w(20091); \ 28 const v4i32 sinpi8sqrt2 = __msa_fill_w(35468); \ 29 \ 30 a1_m = in0 + in2; \ 31 b1_m = in0 - in2; \ 32 c_tmp1_m = (in1 * sinpi8sqrt2) >> 16; \ 33 c_tmp2_m = in3 + ((in3 * cospi8sqrt2minus1) >> 16); \ 34 c1_m = c_tmp1_m - c_tmp2_m; \ 35 d_tmp1_m = in1 + ((in1 * cospi8sqrt2minus1) >> 16); \ 36 d_tmp2_m = (in3 * sinpi8sqrt2) >> 16; \ 37 d1_m = d_tmp1_m + d_tmp2_m; \ 38 BUTTERFLY_4(a1_m, b1_m, c1_m, d1_m, out0, out1, out2, out3); \ 39 } 40 #define MULT1(a) ((((a) * 20091) >> 16) + (a)) 41 #define MULT2(a) (((a) * 35468) >> 16) 42 43 static void TransformOne(const int16_t* in, uint8_t* dst) { 44 v8i16 input0, input1; 45 v4i32 in0, in1, in2, in3, hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3; 46 v4i32 res0, res1, res2, res3; 47 const v16i8 zero = { 0 }; 48 v16i8 dest0, dest1, dest2, dest3; 49 50 LD_SH2(in, 8, input0, input1); 51 UNPCK_SH_SW(input0, in0, in1); 52 UNPCK_SH_SW(input1, in2, in3); 53 IDCT_1D_W(in0, in1, in2, in3, hz0, hz1, hz2, hz3); 54 TRANSPOSE4x4_SW_SW(hz0, hz1, hz2, hz3, hz0, hz1, hz2, hz3); 55 IDCT_1D_W(hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3); 56 SRARI_W4_SW(vt0, vt1, vt2, vt3, 3); 57 TRANSPOSE4x4_SW_SW(vt0, vt1, vt2, vt3, vt0, vt1, vt2, vt3); 58 LD_SB4(dst, BPS, dest0, dest1, dest2, dest3); 59 ILVR_B4_SW(zero, dest0, zero, dest1, zero, dest2, zero, dest3, 60 res0, res1, res2, res3); 61 ILVR_H4_SW(zero, res0, zero, res1, zero, res2, zero, res3, 62 res0, res1, res2, res3); 63 ADD4(res0, vt0, res1, vt1, res2, vt2, res3, vt3, res0, res1, res2, res3); 64 CLIP_SW4_0_255(res0, res1, res2, res3); 65 PCKEV_B2_SW(res0, res1, res2, res3, vt0, vt1); 66 res0 = (v4i32)__msa_pckev_b((v16i8)vt0, (v16i8)vt1); 67 ST4x4_UB(res0, res0, 3, 2, 1, 0, dst, BPS); 68 } 69 70 static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) { 71 TransformOne(in, dst); 72 if (do_two) { 73 TransformOne(in + 16, dst + 4); 74 } 75 } 76 77 static void TransformWHT(const int16_t* in, int16_t* out) { 78 v8i16 input0, input1; 79 const v8i16 mask0 = { 0, 1, 2, 3, 8, 9, 10, 11 }; 80 const v8i16 mask1 = { 4, 5, 6, 7, 12, 13, 14, 15 }; 81 const v8i16 mask2 = { 0, 4, 8, 12, 1, 5, 9, 13 }; 82 const v8i16 mask3 = { 3, 7, 11, 15, 2, 6, 10, 14 }; 83 v8i16 tmp0, tmp1, tmp2, tmp3; 84 v8i16 out0, out1; 85 86 LD_SH2(in, 8, input0, input1); 87 input1 = SLDI_SH(input1, input1, 8); 88 tmp0 = input0 + input1; 89 tmp1 = input0 - input1; 90 VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3); 91 out0 = tmp2 + tmp3; 92 out1 = tmp2 - tmp3; 93 VSHF_H2_SH(out0, out1, out0, out1, mask2, mask3, input0, input1); 94 tmp0 = input0 + input1; 95 tmp1 = input0 - input1; 96 VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3); 97 tmp0 = tmp2 + tmp3; 98 tmp1 = tmp2 - tmp3; 99 ADDVI_H2_SH(tmp0, 3, tmp1, 3, out0, out1); 100 SRAI_H2_SH(out0, out1, 3); 101 out[0] = __msa_copy_s_h(out0, 0); 102 out[16] = __msa_copy_s_h(out0, 4); 103 out[32] = __msa_copy_s_h(out1, 0); 104 out[48] = __msa_copy_s_h(out1, 4); 105 out[64] = __msa_copy_s_h(out0, 1); 106 out[80] = __msa_copy_s_h(out0, 5); 107 out[96] = __msa_copy_s_h(out1, 1); 108 out[112] = __msa_copy_s_h(out1, 5); 109 out[128] = __msa_copy_s_h(out0, 2); 110 out[144] = __msa_copy_s_h(out0, 6); 111 out[160] = __msa_copy_s_h(out1, 2); 112 out[176] = __msa_copy_s_h(out1, 6); 113 out[192] = __msa_copy_s_h(out0, 3); 114 out[208] = __msa_copy_s_h(out0, 7); 115 out[224] = __msa_copy_s_h(out1, 3); 116 out[240] = __msa_copy_s_h(out1, 7); 117 } 118 119 static void TransformDC(const int16_t* in, uint8_t* dst) { 120 const int DC = (in[0] + 4) >> 3; 121 const v8i16 tmp0 = __msa_fill_h(DC); 122 ADDBLK_ST4x4_UB(tmp0, tmp0, tmp0, tmp0, dst, BPS); 123 } 124 125 static void TransformAC3(const int16_t* in, uint8_t* dst) { 126 const int a = in[0] + 4; 127 const int c4 = MULT2(in[4]); 128 const int d4 = MULT1(in[4]); 129 const int in2 = MULT2(in[1]); 130 const int in3 = MULT1(in[1]); 131 v4i32 tmp0 = { 0 }; 132 v4i32 out0 = __msa_fill_w(a + d4); 133 v4i32 out1 = __msa_fill_w(a + c4); 134 v4i32 out2 = __msa_fill_w(a - c4); 135 v4i32 out3 = __msa_fill_w(a - d4); 136 v4i32 res0, res1, res2, res3; 137 const v4i32 zero = { 0 }; 138 v16u8 dest0, dest1, dest2, dest3; 139 140 INSERT_W4_SW(in3, in2, -in2, -in3, tmp0); 141 ADD4(out0, tmp0, out1, tmp0, out2, tmp0, out3, tmp0, 142 out0, out1, out2, out3); 143 SRAI_W4_SW(out0, out1, out2, out3, 3); 144 LD_UB4(dst, BPS, dest0, dest1, dest2, dest3); 145 ILVR_B4_SW(zero, dest0, zero, dest1, zero, dest2, zero, dest3, 146 res0, res1, res2, res3); 147 ILVR_H4_SW(zero, res0, zero, res1, zero, res2, zero, res3, 148 res0, res1, res2, res3); 149 ADD4(res0, out0, res1, out1, res2, out2, res3, out3, res0, res1, res2, res3); 150 CLIP_SW4_0_255(res0, res1, res2, res3); 151 PCKEV_B2_SW(res0, res1, res2, res3, out0, out1); 152 res0 = (v4i32)__msa_pckev_b((v16i8)out0, (v16i8)out1); 153 ST4x4_UB(res0, res0, 3, 2, 1, 0, dst, BPS); 154 } 155 156 //------------------------------------------------------------------------------ 157 // Edge filtering functions 158 159 #define FLIP_SIGN2(in0, in1, out0, out1) { \ 160 out0 = (v16i8)__msa_xori_b(in0, 0x80); \ 161 out1 = (v16i8)__msa_xori_b(in1, 0x80); \ 162 } 163 164 #define FLIP_SIGN4(in0, in1, in2, in3, out0, out1, out2, out3) { \ 165 FLIP_SIGN2(in0, in1, out0, out1); \ 166 FLIP_SIGN2(in2, in3, out2, out3); \ 167 } 168 169 #define FILT_VAL(q0_m, p0_m, mask, filt) do { \ 170 v16i8 q0_sub_p0; \ 171 q0_sub_p0 = __msa_subs_s_b(q0_m, p0_m); \ 172 filt = __msa_adds_s_b(filt, q0_sub_p0); \ 173 filt = __msa_adds_s_b(filt, q0_sub_p0); \ 174 filt = __msa_adds_s_b(filt, q0_sub_p0); \ 175 filt = filt & mask; \ 176 } while (0) 177 178 #define FILT2(q_m, p_m, q, p) do { \ 179 u_r = SRAI_H(temp1, 7); \ 180 u_r = __msa_sat_s_h(u_r, 7); \ 181 u_l = SRAI_H(temp3, 7); \ 182 u_l = __msa_sat_s_h(u_l, 7); \ 183 u = __msa_pckev_b((v16i8)u_l, (v16i8)u_r); \ 184 q_m = __msa_subs_s_b(q_m, u); \ 185 p_m = __msa_adds_s_b(p_m, u); \ 186 q = __msa_xori_b((v16u8)q_m, 0x80); \ 187 p = __msa_xori_b((v16u8)p_m, 0x80); \ 188 } while (0) 189 190 #define LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev) do { \ 191 v16i8 p1_m, p0_m, q0_m, q1_m; \ 192 v16i8 filt, t1, t2; \ 193 const v16i8 cnst4b = __msa_ldi_b(4); \ 194 const v16i8 cnst3b = __msa_ldi_b(3); \ 195 \ 196 FLIP_SIGN4(p1, p0, q0, q1, p1_m, p0_m, q0_m, q1_m); \ 197 filt = __msa_subs_s_b(p1_m, q1_m); \ 198 filt = filt & hev; \ 199 FILT_VAL(q0_m, p0_m, mask, filt); \ 200 t1 = __msa_adds_s_b(filt, cnst4b); \ 201 t1 = SRAI_B(t1, 3); \ 202 t2 = __msa_adds_s_b(filt, cnst3b); \ 203 t2 = SRAI_B(t2, 3); \ 204 q0_m = __msa_subs_s_b(q0_m, t1); \ 205 q0 = __msa_xori_b((v16u8)q0_m, 0x80); \ 206 p0_m = __msa_adds_s_b(p0_m, t2); \ 207 p0 = __msa_xori_b((v16u8)p0_m, 0x80); \ 208 filt = __msa_srari_b(t1, 1); \ 209 hev = __msa_xori_b(hev, 0xff); \ 210 filt = filt & hev; \ 211 q1_m = __msa_subs_s_b(q1_m, filt); \ 212 q1 = __msa_xori_b((v16u8)q1_m, 0x80); \ 213 p1_m = __msa_adds_s_b(p1_m, filt); \ 214 p1 = __msa_xori_b((v16u8)p1_m, 0x80); \ 215 } while (0) 216 217 #define LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev) do { \ 218 v16i8 p2_m, p1_m, p0_m, q2_m, q1_m, q0_m; \ 219 v16i8 u, filt, t1, t2, filt_sign; \ 220 v8i16 filt_r, filt_l, u_r, u_l; \ 221 v8i16 temp0, temp1, temp2, temp3; \ 222 const v16i8 cnst4b = __msa_ldi_b(4); \ 223 const v16i8 cnst3b = __msa_ldi_b(3); \ 224 const v8i16 cnst9h = __msa_ldi_h(9); \ 225 \ 226 FLIP_SIGN4(p1, p0, q0, q1, p1_m, p0_m, q0_m, q1_m); \ 227 filt = __msa_subs_s_b(p1_m, q1_m); \ 228 FILT_VAL(q0_m, p0_m, mask, filt); \ 229 FLIP_SIGN2(p2, q2, p2_m, q2_m); \ 230 t2 = filt & hev; \ 231 /* filt_val &= ~hev */ \ 232 hev = __msa_xori_b(hev, 0xff); \ 233 filt = filt & hev; \ 234 t1 = __msa_adds_s_b(t2, cnst4b); \ 235 t1 = SRAI_B(t1, 3); \ 236 t2 = __msa_adds_s_b(t2, cnst3b); \ 237 t2 = SRAI_B(t2, 3); \ 238 q0_m = __msa_subs_s_b(q0_m, t1); \ 239 p0_m = __msa_adds_s_b(p0_m, t2); \ 240 filt_sign = __msa_clti_s_b(filt, 0); \ 241 ILVRL_B2_SH(filt_sign, filt, filt_r, filt_l); \ 242 /* update q2/p2 */ \ 243 temp0 = filt_r * cnst9h; \ 244 temp1 = ADDVI_H(temp0, 63); \ 245 temp2 = filt_l * cnst9h; \ 246 temp3 = ADDVI_H(temp2, 63); \ 247 FILT2(q2_m, p2_m, q2, p2); \ 248 /* update q1/p1 */ \ 249 temp1 = temp1 + temp0; \ 250 temp3 = temp3 + temp2; \ 251 FILT2(q1_m, p1_m, q1, p1); \ 252 /* update q0/p0 */ \ 253 temp1 = temp1 + temp0; \ 254 temp3 = temp3 + temp2; \ 255 FILT2(q0_m, p0_m, q0, p0); \ 256 } while (0) 257 258 #define LPF_MASK_HEV(p3_in, p2_in, p1_in, p0_in, \ 259 q0_in, q1_in, q2_in, q3_in, \ 260 limit_in, b_limit_in, thresh_in, \ 261 hev_out, mask_out) do { \ 262 v16u8 p3_asub_p2_m, p2_asub_p1_m, p1_asub_p0_m, q1_asub_q0_m; \ 263 v16u8 p1_asub_q1_m, p0_asub_q0_m, q3_asub_q2_m, q2_asub_q1_m; \ 264 v16u8 flat_out; \ 265 \ 266 /* absolute subtraction of pixel values */ \ 267 p3_asub_p2_m = __msa_asub_u_b(p3_in, p2_in); \ 268 p2_asub_p1_m = __msa_asub_u_b(p2_in, p1_in); \ 269 p1_asub_p0_m = __msa_asub_u_b(p1_in, p0_in); \ 270 q1_asub_q0_m = __msa_asub_u_b(q1_in, q0_in); \ 271 q2_asub_q1_m = __msa_asub_u_b(q2_in, q1_in); \ 272 q3_asub_q2_m = __msa_asub_u_b(q3_in, q2_in); \ 273 p0_asub_q0_m = __msa_asub_u_b(p0_in, q0_in); \ 274 p1_asub_q1_m = __msa_asub_u_b(p1_in, q1_in); \ 275 /* calculation of hev */ \ 276 flat_out = __msa_max_u_b(p1_asub_p0_m, q1_asub_q0_m); \ 277 hev_out = (thresh_in < flat_out); \ 278 /* calculation of mask */ \ 279 p0_asub_q0_m = __msa_adds_u_b(p0_asub_q0_m, p0_asub_q0_m); \ 280 p1_asub_q1_m = SRAI_B(p1_asub_q1_m, 1); \ 281 p0_asub_q0_m = __msa_adds_u_b(p0_asub_q0_m, p1_asub_q1_m); \ 282 mask_out = (b_limit_in < p0_asub_q0_m); \ 283 mask_out = __msa_max_u_b(flat_out, mask_out); \ 284 p3_asub_p2_m = __msa_max_u_b(p3_asub_p2_m, p2_asub_p1_m); \ 285 mask_out = __msa_max_u_b(p3_asub_p2_m, mask_out); \ 286 q2_asub_q1_m = __msa_max_u_b(q2_asub_q1_m, q3_asub_q2_m); \ 287 mask_out = __msa_max_u_b(q2_asub_q1_m, mask_out); \ 288 mask_out = (limit_in < mask_out); \ 289 mask_out = __msa_xori_b(mask_out, 0xff); \ 290 } while (0) 291 292 #define ST6x1_UB(in0, in0_idx, in1, in1_idx, pdst, stride) do { \ 293 const uint16_t tmp0_h = __msa_copy_s_h((v8i16)in1, in1_idx); \ 294 const uint32_t tmp0_w = __msa_copy_s_w((v4i32)in0, in0_idx); \ 295 SW(tmp0_w, pdst); \ 296 SH(tmp0_h, pdst + stride); \ 297 } while (0) 298 299 #define ST6x4_UB(in0, start_in0_idx, in1, start_in1_idx, pdst, stride) do { \ 300 uint8_t* ptmp1 = (uint8_t*)pdst; \ 301 ST6x1_UB(in0, start_in0_idx, in1, start_in1_idx, ptmp1, 4); \ 302 ptmp1 += stride; \ 303 ST6x1_UB(in0, start_in0_idx + 1, in1, start_in1_idx + 1, ptmp1, 4); \ 304 ptmp1 += stride; \ 305 ST6x1_UB(in0, start_in0_idx + 2, in1, start_in1_idx + 2, ptmp1, 4); \ 306 ptmp1 += stride; \ 307 ST6x1_UB(in0, start_in0_idx + 3, in1, start_in1_idx + 3, ptmp1, 4); \ 308 } while (0) 309 310 #define LPF_SIMPLE_FILT(p1_in, p0_in, q0_in, q1_in, mask) do { \ 311 v16i8 p1_m, p0_m, q0_m, q1_m, filt, filt1, filt2; \ 312 const v16i8 cnst4b = __msa_ldi_b(4); \ 313 const v16i8 cnst3b = __msa_ldi_b(3); \ 314 \ 315 FLIP_SIGN4(p1_in, p0_in, q0_in, q1_in, p1_m, p0_m, q0_m, q1_m); \ 316 filt = __msa_subs_s_b(p1_m, q1_m); \ 317 FILT_VAL(q0_m, p0_m, mask, filt); \ 318 filt1 = __msa_adds_s_b(filt, cnst4b); \ 319 filt1 = SRAI_B(filt1, 3); \ 320 filt2 = __msa_adds_s_b(filt, cnst3b); \ 321 filt2 = SRAI_B(filt2, 3); \ 322 q0_m = __msa_subs_s_b(q0_m, filt1); \ 323 p0_m = __msa_adds_s_b(p0_m, filt2); \ 324 q0_in = __msa_xori_b((v16u8)q0_m, 0x80); \ 325 p0_in = __msa_xori_b((v16u8)p0_m, 0x80); \ 326 } while (0) 327 328 #define LPF_SIMPLE_MASK(p1, p0, q0, q1, b_limit, mask) do { \ 329 v16u8 p1_a_sub_q1, p0_a_sub_q0; \ 330 \ 331 p0_a_sub_q0 = __msa_asub_u_b(p0, q0); \ 332 p1_a_sub_q1 = __msa_asub_u_b(p1, q1); \ 333 p1_a_sub_q1 = (v16u8)__msa_srli_b((v16i8)p1_a_sub_q1, 1); \ 334 p0_a_sub_q0 = __msa_adds_u_b(p0_a_sub_q0, p0_a_sub_q0); \ 335 mask = __msa_adds_u_b(p0_a_sub_q0, p1_a_sub_q1); \ 336 mask = (mask <= b_limit); \ 337 } while (0) 338 339 static void VFilter16(uint8_t* src, int stride, 340 int b_limit_in, int limit_in, int thresh_in) { 341 uint8_t* ptemp = src - 4 * stride; 342 v16u8 p3, p2, p1, p0, q3, q2, q1, q0; 343 v16u8 mask, hev; 344 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); 345 const v16u8 limit = (v16u8)__msa_fill_b(limit_in); 346 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); 347 348 LD_UB8(ptemp, stride, p3, p2, p1, p0, q0, q1, q2, q3); 349 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, 350 hev, mask); 351 LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev); 352 ptemp = src - 3 * stride; 353 ST_UB4(p2, p1, p0, q0, ptemp, stride); 354 ptemp += (4 * stride); 355 ST_UB2(q1, q2, ptemp, stride); 356 } 357 358 static void HFilter16(uint8_t* src, int stride, 359 int b_limit_in, int limit_in, int thresh_in) { 360 uint8_t* ptmp = src - 4; 361 v16u8 p3, p2, p1, p0, q3, q2, q1, q0; 362 v16u8 mask, hev; 363 v16u8 row0, row1, row2, row3, row4, row5, row6, row7, row8; 364 v16u8 row9, row10, row11, row12, row13, row14, row15; 365 v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; 366 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); 367 const v16u8 limit = (v16u8)__msa_fill_b(limit_in); 368 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); 369 370 LD_UB8(ptmp, stride, row0, row1, row2, row3, row4, row5, row6, row7); 371 ptmp += (8 * stride); 372 LD_UB8(ptmp, stride, row8, row9, row10, row11, row12, row13, row14, row15); 373 TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7, 374 row8, row9, row10, row11, row12, row13, row14, row15, 375 p3, p2, p1, p0, q0, q1, q2, q3); 376 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, 377 hev, mask); 378 LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev); 379 ILVR_B2_SH(p1, p2, q0, p0, tmp0, tmp1); 380 ILVRL_H2_SH(tmp1, tmp0, tmp3, tmp4); 381 ILVL_B2_SH(p1, p2, q0, p0, tmp0, tmp1); 382 ILVRL_H2_SH(tmp1, tmp0, tmp6, tmp7); 383 ILVRL_B2_SH(q2, q1, tmp2, tmp5); 384 ptmp = src - 3; 385 ST6x1_UB(tmp3, 0, tmp2, 0, ptmp, 4); 386 ptmp += stride; 387 ST6x1_UB(tmp3, 1, tmp2, 1, ptmp, 4); 388 ptmp += stride; 389 ST6x1_UB(tmp3, 2, tmp2, 2, ptmp, 4); 390 ptmp += stride; 391 ST6x1_UB(tmp3, 3, tmp2, 3, ptmp, 4); 392 ptmp += stride; 393 ST6x1_UB(tmp4, 0, tmp2, 4, ptmp, 4); 394 ptmp += stride; 395 ST6x1_UB(tmp4, 1, tmp2, 5, ptmp, 4); 396 ptmp += stride; 397 ST6x1_UB(tmp4, 2, tmp2, 6, ptmp, 4); 398 ptmp += stride; 399 ST6x1_UB(tmp4, 3, tmp2, 7, ptmp, 4); 400 ptmp += stride; 401 ST6x1_UB(tmp6, 0, tmp5, 0, ptmp, 4); 402 ptmp += stride; 403 ST6x1_UB(tmp6, 1, tmp5, 1, ptmp, 4); 404 ptmp += stride; 405 ST6x1_UB(tmp6, 2, tmp5, 2, ptmp, 4); 406 ptmp += stride; 407 ST6x1_UB(tmp6, 3, tmp5, 3, ptmp, 4); 408 ptmp += stride; 409 ST6x1_UB(tmp7, 0, tmp5, 4, ptmp, 4); 410 ptmp += stride; 411 ST6x1_UB(tmp7, 1, tmp5, 5, ptmp, 4); 412 ptmp += stride; 413 ST6x1_UB(tmp7, 2, tmp5, 6, ptmp, 4); 414 ptmp += stride; 415 ST6x1_UB(tmp7, 3, tmp5, 7, ptmp, 4); 416 } 417 418 // on three inner edges 419 static void VFilterHorEdge16i(uint8_t* src, int stride, 420 int b_limit, int limit, int thresh) { 421 v16u8 mask, hev; 422 v16u8 p3, p2, p1, p0, q3, q2, q1, q0; 423 const v16u8 thresh0 = (v16u8)__msa_fill_b(thresh); 424 const v16u8 b_limit0 = (v16u8)__msa_fill_b(b_limit); 425 const v16u8 limit0 = (v16u8)__msa_fill_b(limit); 426 427 LD_UB8((src - 4 * stride), stride, p3, p2, p1, p0, q0, q1, q2, q3); 428 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit0, b_limit0, thresh0, 429 hev, mask); 430 LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev); 431 ST_UB4(p1, p0, q0, q1, (src - 2 * stride), stride); 432 } 433 434 static void VFilter16i(uint8_t* src_y, int stride, 435 int b_limit, int limit, int thresh) { 436 VFilterHorEdge16i(src_y + 4 * stride, stride, b_limit, limit, thresh); 437 VFilterHorEdge16i(src_y + 8 * stride, stride, b_limit, limit, thresh); 438 VFilterHorEdge16i(src_y + 12 * stride, stride, b_limit, limit, thresh); 439 } 440 441 static void HFilterVertEdge16i(uint8_t* src, int stride, 442 int b_limit, int limit, int thresh) { 443 v16u8 mask, hev; 444 v16u8 p3, p2, p1, p0, q3, q2, q1, q0; 445 v16u8 row0, row1, row2, row3, row4, row5, row6, row7; 446 v16u8 row8, row9, row10, row11, row12, row13, row14, row15; 447 v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5; 448 const v16u8 thresh0 = (v16u8)__msa_fill_b(thresh); 449 const v16u8 b_limit0 = (v16u8)__msa_fill_b(b_limit); 450 const v16u8 limit0 = (v16u8)__msa_fill_b(limit); 451 452 LD_UB8(src - 4, stride, row0, row1, row2, row3, row4, row5, row6, row7); 453 LD_UB8(src - 4 + (8 * stride), stride, 454 row8, row9, row10, row11, row12, row13, row14, row15); 455 TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7, 456 row8, row9, row10, row11, row12, row13, row14, row15, 457 p3, p2, p1, p0, q0, q1, q2, q3); 458 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit0, b_limit0, thresh0, 459 hev, mask); 460 LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev); 461 ILVR_B2_SH(p0, p1, q1, q0, tmp0, tmp1); 462 ILVRL_H2_SH(tmp1, tmp0, tmp2, tmp3); 463 ILVL_B2_SH(p0, p1, q1, q0, tmp0, tmp1); 464 ILVRL_H2_SH(tmp1, tmp0, tmp4, tmp5); 465 src -= 2; 466 ST4x8_UB(tmp2, tmp3, src, stride); 467 src += (8 * stride); 468 ST4x8_UB(tmp4, tmp5, src, stride); 469 } 470 471 static void HFilter16i(uint8_t* src_y, int stride, 472 int b_limit, int limit, int thresh) { 473 HFilterVertEdge16i(src_y + 4, stride, b_limit, limit, thresh); 474 HFilterVertEdge16i(src_y + 8, stride, b_limit, limit, thresh); 475 HFilterVertEdge16i(src_y + 12, stride, b_limit, limit, thresh); 476 } 477 478 // 8-pixels wide variants, for chroma filtering 479 static void VFilter8(uint8_t* src_u, uint8_t* src_v, int stride, 480 int b_limit_in, int limit_in, int thresh_in) { 481 uint8_t* ptmp_src_u = src_u - 4 * stride; 482 uint8_t* ptmp_src_v = src_v - 4 * stride; 483 uint64_t p2_d, p1_d, p0_d, q0_d, q1_d, q2_d; 484 v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev; 485 v16u8 p3_u, p2_u, p1_u, p0_u, q3_u, q2_u, q1_u, q0_u; 486 v16u8 p3_v, p2_v, p1_v, p0_v, q3_v, q2_v, q1_v, q0_v; 487 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); 488 const v16u8 limit = (v16u8)__msa_fill_b(limit_in); 489 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); 490 491 LD_UB8(ptmp_src_u, stride, p3_u, p2_u, p1_u, p0_u, q0_u, q1_u, q2_u, q3_u); 492 LD_UB8(ptmp_src_v, stride, p3_v, p2_v, p1_v, p0_v, q0_v, q1_v, q2_v, q3_v); 493 ILVR_D4_UB(p3_v, p3_u, p2_v, p2_u, p1_v, p1_u, p0_v, p0_u, p3, p2, p1, p0); 494 ILVR_D4_UB(q0_v, q0_u, q1_v, q1_u, q2_v, q2_u, q3_v, q3_u, q0, q1, q2, q3); 495 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, 496 hev, mask); 497 LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev); 498 p2_d = __msa_copy_s_d((v2i64)p2, 0); 499 p1_d = __msa_copy_s_d((v2i64)p1, 0); 500 p0_d = __msa_copy_s_d((v2i64)p0, 0); 501 q0_d = __msa_copy_s_d((v2i64)q0, 0); 502 q1_d = __msa_copy_s_d((v2i64)q1, 0); 503 q2_d = __msa_copy_s_d((v2i64)q2, 0); 504 ptmp_src_u += stride; 505 SD4(p2_d, p1_d, p0_d, q0_d, ptmp_src_u, stride); 506 ptmp_src_u += (4 * stride); 507 SD(q1_d, ptmp_src_u); 508 ptmp_src_u += stride; 509 SD(q2_d, ptmp_src_u); 510 p2_d = __msa_copy_s_d((v2i64)p2, 1); 511 p1_d = __msa_copy_s_d((v2i64)p1, 1); 512 p0_d = __msa_copy_s_d((v2i64)p0, 1); 513 q0_d = __msa_copy_s_d((v2i64)q0, 1); 514 q1_d = __msa_copy_s_d((v2i64)q1, 1); 515 q2_d = __msa_copy_s_d((v2i64)q2, 1); 516 ptmp_src_v += stride; 517 SD4(p2_d, p1_d, p0_d, q0_d, ptmp_src_v, stride); 518 ptmp_src_v += (4 * stride); 519 SD(q1_d, ptmp_src_v); 520 ptmp_src_v += stride; 521 SD(q2_d, ptmp_src_v); 522 } 523 524 static void HFilter8(uint8_t* src_u, uint8_t* src_v, int stride, 525 int b_limit_in, int limit_in, int thresh_in) { 526 uint8_t* ptmp_src_u = src_u - 4; 527 uint8_t* ptmp_src_v = src_v - 4; 528 v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev; 529 v16u8 row0, row1, row2, row3, row4, row5, row6, row7, row8; 530 v16u8 row9, row10, row11, row12, row13, row14, row15; 531 v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; 532 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); 533 const v16u8 limit = (v16u8)__msa_fill_b(limit_in); 534 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); 535 536 LD_UB8(ptmp_src_u, stride, row0, row1, row2, row3, row4, row5, row6, row7); 537 LD_UB8(ptmp_src_v, stride, 538 row8, row9, row10, row11, row12, row13, row14, row15); 539 TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7, 540 row8, row9, row10, row11, row12, row13, row14, row15, 541 p3, p2, p1, p0, q0, q1, q2, q3); 542 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, 543 hev, mask); 544 LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev); 545 ILVR_B2_SH(p1, p2, q0, p0, tmp0, tmp1); 546 ILVRL_H2_SH(tmp1, tmp0, tmp3, tmp4); 547 ILVL_B2_SH(p1, p2, q0, p0, tmp0, tmp1); 548 ILVRL_H2_SH(tmp1, tmp0, tmp6, tmp7); 549 ILVRL_B2_SH(q2, q1, tmp2, tmp5); 550 ptmp_src_u += 1; 551 ST6x4_UB(tmp3, 0, tmp2, 0, ptmp_src_u, stride); 552 ptmp_src_u += 4 * stride; 553 ST6x4_UB(tmp4, 0, tmp2, 4, ptmp_src_u, stride); 554 ptmp_src_v += 1; 555 ST6x4_UB(tmp6, 0, tmp5, 0, ptmp_src_v, stride); 556 ptmp_src_v += 4 * stride; 557 ST6x4_UB(tmp7, 0, tmp5, 4, ptmp_src_v, stride); 558 } 559 560 static void VFilter8i(uint8_t* src_u, uint8_t* src_v, int stride, 561 int b_limit_in, int limit_in, int thresh_in) { 562 uint64_t p1_d, p0_d, q0_d, q1_d; 563 v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev; 564 v16u8 p3_u, p2_u, p1_u, p0_u, q3_u, q2_u, q1_u, q0_u; 565 v16u8 p3_v, p2_v, p1_v, p0_v, q3_v, q2_v, q1_v, q0_v; 566 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); 567 const v16u8 limit = (v16u8)__msa_fill_b(limit_in); 568 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); 569 570 LD_UB8(src_u, stride, p3_u, p2_u, p1_u, p0_u, q0_u, q1_u, q2_u, q3_u); 571 src_u += (5 * stride); 572 LD_UB8(src_v, stride, p3_v, p2_v, p1_v, p0_v, q0_v, q1_v, q2_v, q3_v); 573 src_v += (5 * stride); 574 ILVR_D4_UB(p3_v, p3_u, p2_v, p2_u, p1_v, p1_u, p0_v, p0_u, p3, p2, p1, p0); 575 ILVR_D4_UB(q0_v, q0_u, q1_v, q1_u, q2_v, q2_u, q3_v, q3_u, q0, q1, q2, q3); 576 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, 577 hev, mask); 578 LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev); 579 p1_d = __msa_copy_s_d((v2i64)p1, 0); 580 p0_d = __msa_copy_s_d((v2i64)p0, 0); 581 q0_d = __msa_copy_s_d((v2i64)q0, 0); 582 q1_d = __msa_copy_s_d((v2i64)q1, 0); 583 SD4(q1_d, q0_d, p0_d, p1_d, src_u, -stride); 584 p1_d = __msa_copy_s_d((v2i64)p1, 1); 585 p0_d = __msa_copy_s_d((v2i64)p0, 1); 586 q0_d = __msa_copy_s_d((v2i64)q0, 1); 587 q1_d = __msa_copy_s_d((v2i64)q1, 1); 588 SD4(q1_d, q0_d, p0_d, p1_d, src_v, -stride); 589 } 590 591 static void HFilter8i(uint8_t* src_u, uint8_t* src_v, int stride, 592 int b_limit_in, int limit_in, int thresh_in) { 593 v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev; 594 v16u8 row0, row1, row2, row3, row4, row5, row6, row7, row8; 595 v16u8 row9, row10, row11, row12, row13, row14, row15; 596 v4i32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5; 597 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); 598 const v16u8 limit = (v16u8)__msa_fill_b(limit_in); 599 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); 600 601 LD_UB8(src_u, stride, row0, row1, row2, row3, row4, row5, row6, row7); 602 LD_UB8(src_v, stride, 603 row8, row9, row10, row11, row12, row13, row14, row15); 604 TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7, 605 row8, row9, row10, row11, row12, row13, row14, row15, 606 p3, p2, p1, p0, q0, q1, q2, q3); 607 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, 608 hev, mask); 609 LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev); 610 ILVR_B2_SW(p0, p1, q1, q0, tmp0, tmp1); 611 ILVRL_H2_SW(tmp1, tmp0, tmp2, tmp3); 612 ILVL_B2_SW(p0, p1, q1, q0, tmp0, tmp1); 613 ILVRL_H2_SW(tmp1, tmp0, tmp4, tmp5); 614 src_u += 2; 615 ST4x4_UB(tmp2, tmp2, 0, 1, 2, 3, src_u, stride); 616 src_u += 4 * stride; 617 ST4x4_UB(tmp3, tmp3, 0, 1, 2, 3, src_u, stride); 618 src_v += 2; 619 ST4x4_UB(tmp4, tmp4, 0, 1, 2, 3, src_v, stride); 620 src_v += 4 * stride; 621 ST4x4_UB(tmp5, tmp5, 0, 1, 2, 3, src_v, stride); 622 } 623 624 static void SimpleVFilter16(uint8_t* src, int stride, int b_limit_in) { 625 v16u8 p1, p0, q1, q0, mask; 626 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); 627 628 LD_UB4(src - 2 * stride, stride, p1, p0, q0, q1); 629 LPF_SIMPLE_MASK(p1, p0, q0, q1, b_limit, mask); 630 LPF_SIMPLE_FILT(p1, p0, q0, q1, mask); 631 ST_UB2(p0, q0, src - stride, stride); 632 } 633 634 static void SimpleHFilter16(uint8_t* src, int stride, int b_limit_in) { 635 v16u8 p1, p0, q1, q0, mask, row0, row1, row2, row3, row4, row5, row6, row7; 636 v16u8 row8, row9, row10, row11, row12, row13, row14, row15; 637 v8i16 tmp0, tmp1; 638 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); 639 uint8_t* ptemp_src = src - 2; 640 641 LD_UB8(ptemp_src, stride, row0, row1, row2, row3, row4, row5, row6, row7); 642 LD_UB8(ptemp_src + 8 * stride, stride, 643 row8, row9, row10, row11, row12, row13, row14, row15); 644 TRANSPOSE16x4_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7, 645 row8, row9, row10, row11, row12, row13, row14, row15, 646 p1, p0, q0, q1); 647 LPF_SIMPLE_MASK(p1, p0, q0, q1, b_limit, mask); 648 LPF_SIMPLE_FILT(p1, p0, q0, q1, mask); 649 ILVRL_B2_SH(q0, p0, tmp1, tmp0); 650 ptemp_src += 1; 651 ST2x4_UB(tmp1, 0, ptemp_src, stride); 652 ptemp_src += 4 * stride; 653 ST2x4_UB(tmp1, 4, ptemp_src, stride); 654 ptemp_src += 4 * stride; 655 ST2x4_UB(tmp0, 0, ptemp_src, stride); 656 ptemp_src += 4 * stride; 657 ST2x4_UB(tmp0, 4, ptemp_src, stride); 658 ptemp_src += 4 * stride; 659 } 660 661 static void SimpleVFilter16i(uint8_t* src_y, int stride, int b_limit_in) { 662 SimpleVFilter16(src_y + 4 * stride, stride, b_limit_in); 663 SimpleVFilter16(src_y + 8 * stride, stride, b_limit_in); 664 SimpleVFilter16(src_y + 12 * stride, stride, b_limit_in); 665 } 666 667 static void SimpleHFilter16i(uint8_t* src_y, int stride, int b_limit_in) { 668 SimpleHFilter16(src_y + 4, stride, b_limit_in); 669 SimpleHFilter16(src_y + 8, stride, b_limit_in); 670 SimpleHFilter16(src_y + 12, stride, b_limit_in); 671 } 672 673 //------------------------------------------------------------------------------ 674 // Intra predictions 675 //------------------------------------------------------------------------------ 676 677 // 4x4 678 679 static void DC4(uint8_t* dst) { // DC 680 uint32_t dc = 4; 681 int i; 682 for (i = 0; i < 4; ++i) dc += dst[i - BPS] + dst[-1 + i * BPS]; 683 dc >>= 3; 684 dc = dc | (dc << 8) | (dc << 16) | (dc << 24); 685 SW4(dc, dc, dc, dc, dst, BPS); 686 } 687 688 static void TM4(uint8_t* dst) { 689 const uint8_t* const ptemp = dst - BPS - 1; 690 v8i16 T, d, r0, r1, r2, r3; 691 const v16i8 zero = { 0 }; 692 const v8i16 TL = (v8i16)__msa_fill_h(ptemp[0 * BPS]); 693 const v8i16 L0 = (v8i16)__msa_fill_h(ptemp[1 * BPS]); 694 const v8i16 L1 = (v8i16)__msa_fill_h(ptemp[2 * BPS]); 695 const v8i16 L2 = (v8i16)__msa_fill_h(ptemp[3 * BPS]); 696 const v8i16 L3 = (v8i16)__msa_fill_h(ptemp[4 * BPS]); 697 const v16u8 T1 = LD_UB(ptemp + 1); 698 699 T = (v8i16)__msa_ilvr_b(zero, (v16i8)T1); 700 d = T - TL; 701 ADD4(d, L0, d, L1, d, L2, d, L3, r0, r1, r2, r3); 702 CLIP_SH4_0_255(r0, r1, r2, r3); 703 PCKEV_ST4x4_UB(r0, r1, r2, r3, dst, BPS); 704 } 705 706 static void VE4(uint8_t* dst) { // vertical 707 const uint8_t* const ptop = dst - BPS - 1; 708 const uint32_t val0 = LW(ptop + 0); 709 const uint32_t val1 = LW(ptop + 4); 710 uint32_t out; 711 v16u8 A, B, C, AC, B2, R; 712 713 INSERT_W2_UB(val0, val1, A); 714 B = SLDI_UB(A, A, 1); 715 C = SLDI_UB(A, A, 2); 716 AC = __msa_ave_u_b(A, C); 717 B2 = __msa_ave_u_b(B, B); 718 R = __msa_aver_u_b(AC, B2); 719 out = __msa_copy_s_w((v4i32)R, 0); 720 SW4(out, out, out, out, dst, BPS); 721 } 722 723 static void RD4(uint8_t* dst) { // Down-right 724 const uint8_t* const ptop = dst - 1 - BPS; 725 uint32_t val0 = LW(ptop + 0); 726 uint32_t val1 = LW(ptop + 4); 727 uint32_t val2, val3; 728 v16u8 A, B, C, AC, B2, R, A1; 729 730 INSERT_W2_UB(val0, val1, A1); 731 A = SLDI_UB(A1, A1, 12); 732 A = (v16u8)__msa_insert_b((v16i8)A, 3, ptop[1 * BPS]); 733 A = (v16u8)__msa_insert_b((v16i8)A, 2, ptop[2 * BPS]); 734 A = (v16u8)__msa_insert_b((v16i8)A, 1, ptop[3 * BPS]); 735 A = (v16u8)__msa_insert_b((v16i8)A, 0, ptop[4 * BPS]); 736 B = SLDI_UB(A, A, 1); 737 C = SLDI_UB(A, A, 2); 738 AC = __msa_ave_u_b(A, C); 739 B2 = __msa_ave_u_b(B, B); 740 R = __msa_aver_u_b(AC, B2); 741 val3 = __msa_copy_s_w((v4i32)R, 0); 742 R = SLDI_UB(R, R, 1); 743 val2 = __msa_copy_s_w((v4i32)R, 0); 744 R = SLDI_UB(R, R, 1); 745 val1 = __msa_copy_s_w((v4i32)R, 0); 746 R = SLDI_UB(R, R, 1); 747 val0 = __msa_copy_s_w((v4i32)R, 0); 748 SW4(val0, val1, val2, val3, dst, BPS); 749 } 750 751 static void LD4(uint8_t* dst) { // Down-Left 752 const uint8_t* const ptop = dst - BPS; 753 uint32_t val0 = LW(ptop + 0); 754 uint32_t val1 = LW(ptop + 4); 755 uint32_t val2, val3; 756 v16u8 A, B, C, AC, B2, R; 757 758 INSERT_W2_UB(val0, val1, A); 759 B = SLDI_UB(A, A, 1); 760 C = SLDI_UB(A, A, 2); 761 C = (v16u8)__msa_insert_b((v16i8)C, 6, ptop[7]); 762 AC = __msa_ave_u_b(A, C); 763 B2 = __msa_ave_u_b(B, B); 764 R = __msa_aver_u_b(AC, B2); 765 val0 = __msa_copy_s_w((v4i32)R, 0); 766 R = SLDI_UB(R, R, 1); 767 val1 = __msa_copy_s_w((v4i32)R, 0); 768 R = SLDI_UB(R, R, 1); 769 val2 = __msa_copy_s_w((v4i32)R, 0); 770 R = SLDI_UB(R, R, 1); 771 val3 = __msa_copy_s_w((v4i32)R, 0); 772 SW4(val0, val1, val2, val3, dst, BPS); 773 } 774 775 // 16x16 776 777 static void DC16(uint8_t* dst) { // DC 778 uint32_t dc = 16; 779 int i; 780 const v16u8 rtop = LD_UB(dst - BPS); 781 const v8u16 dctop = __msa_hadd_u_h(rtop, rtop); 782 v16u8 out; 783 784 for (i = 0; i < 16; ++i) { 785 dc += dst[-1 + i * BPS]; 786 } 787 dc += HADD_UH_U32(dctop); 788 out = (v16u8)__msa_fill_b(dc >> 5); 789 ST_UB8(out, out, out, out, out, out, out, out, dst, BPS); 790 ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS); 791 } 792 793 static void TM16(uint8_t* dst) { 794 int j; 795 v8i16 d1, d2; 796 const v16i8 zero = { 0 }; 797 const v8i16 TL = (v8i16)__msa_fill_h(dst[-1 - BPS]); 798 const v16i8 T = LD_SB(dst - BPS); 799 800 ILVRL_B2_SH(zero, T, d1, d2); 801 SUB2(d1, TL, d2, TL, d1, d2); 802 for (j = 0; j < 16; j += 4) { 803 v16i8 t0, t1, t2, t3; 804 v8i16 r0, r1, r2, r3, r4, r5, r6, r7; 805 const v8i16 L0 = (v8i16)__msa_fill_h(dst[-1 + 0 * BPS]); 806 const v8i16 L1 = (v8i16)__msa_fill_h(dst[-1 + 1 * BPS]); 807 const v8i16 L2 = (v8i16)__msa_fill_h(dst[-1 + 2 * BPS]); 808 const v8i16 L3 = (v8i16)__msa_fill_h(dst[-1 + 3 * BPS]); 809 ADD4(d1, L0, d1, L1, d1, L2, d1, L3, r0, r1, r2, r3); 810 ADD4(d2, L0, d2, L1, d2, L2, d2, L3, r4, r5, r6, r7); 811 CLIP_SH4_0_255(r0, r1, r2, r3); 812 CLIP_SH4_0_255(r4, r5, r6, r7); 813 PCKEV_B4_SB(r4, r0, r5, r1, r6, r2, r7, r3, t0, t1, t2, t3); 814 ST_SB4(t0, t1, t2, t3, dst, BPS); 815 dst += 4 * BPS; 816 } 817 } 818 819 static void VE16(uint8_t* dst) { // vertical 820 const v16u8 rtop = LD_UB(dst - BPS); 821 ST_UB8(rtop, rtop, rtop, rtop, rtop, rtop, rtop, rtop, dst, BPS); 822 ST_UB8(rtop, rtop, rtop, rtop, rtop, rtop, rtop, rtop, dst + 8 * BPS, BPS); 823 } 824 825 static void HE16(uint8_t* dst) { // horizontal 826 int j; 827 for (j = 16; j > 0; j -= 4) { 828 const v16u8 L0 = (v16u8)__msa_fill_b(dst[-1 + 0 * BPS]); 829 const v16u8 L1 = (v16u8)__msa_fill_b(dst[-1 + 1 * BPS]); 830 const v16u8 L2 = (v16u8)__msa_fill_b(dst[-1 + 2 * BPS]); 831 const v16u8 L3 = (v16u8)__msa_fill_b(dst[-1 + 3 * BPS]); 832 ST_UB4(L0, L1, L2, L3, dst, BPS); 833 dst += 4 * BPS; 834 } 835 } 836 837 static void DC16NoTop(uint8_t* dst) { // DC with top samples not available 838 int j; 839 uint32_t dc = 8; 840 v16u8 out; 841 842 for (j = 0; j < 16; ++j) { 843 dc += dst[-1 + j * BPS]; 844 } 845 out = (v16u8)__msa_fill_b(dc >> 4); 846 ST_UB8(out, out, out, out, out, out, out, out, dst, BPS); 847 ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS); 848 } 849 850 static void DC16NoLeft(uint8_t* dst) { // DC with left samples not available 851 uint32_t dc = 8; 852 const v16u8 rtop = LD_UB(dst - BPS); 853 const v8u16 dctop = __msa_hadd_u_h(rtop, rtop); 854 v16u8 out; 855 856 dc += HADD_UH_U32(dctop); 857 out = (v16u8)__msa_fill_b(dc >> 4); 858 ST_UB8(out, out, out, out, out, out, out, out, dst, BPS); 859 ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS); 860 } 861 862 static void DC16NoTopLeft(uint8_t* dst) { // DC with nothing 863 const v16u8 out = (v16u8)__msa_fill_b(0x80); 864 ST_UB8(out, out, out, out, out, out, out, out, dst, BPS); 865 ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS); 866 } 867 868 // Chroma 869 870 #define STORE8x8(out, dst) do { \ 871 SD4(out, out, out, out, dst + 0 * BPS, BPS); \ 872 SD4(out, out, out, out, dst + 4 * BPS, BPS); \ 873 } while (0) 874 875 static void DC8uv(uint8_t* dst) { // DC 876 uint32_t dc = 8; 877 int i; 878 uint64_t out; 879 const v16u8 rtop = LD_UB(dst - BPS); 880 const v8u16 temp0 = __msa_hadd_u_h(rtop, rtop); 881 const v4u32 temp1 = __msa_hadd_u_w(temp0, temp0); 882 const v2u64 temp2 = __msa_hadd_u_d(temp1, temp1); 883 v16u8 dctemp; 884 885 for (i = 0; i < 8; ++i) { 886 dc += dst[-1 + i * BPS]; 887 } 888 dc += __msa_copy_s_w((v4i32)temp2, 0); 889 dctemp = (v16u8)__msa_fill_b(dc >> 4); 890 out = __msa_copy_s_d((v2i64)dctemp, 0); 891 STORE8x8(out, dst); 892 } 893 894 static void TM8uv(uint8_t* dst) { 895 int j; 896 const v16i8 T1 = LD_SB(dst - BPS); 897 const v16i8 zero = { 0 }; 898 const v8i16 T = (v8i16)__msa_ilvr_b(zero, T1); 899 const v8i16 TL = (v8i16)__msa_fill_h(dst[-1 - BPS]); 900 const v8i16 d = T - TL; 901 902 for (j = 0; j < 8; j += 4) { 903 v16i8 t0, t1; 904 v8i16 r0 = (v8i16)__msa_fill_h(dst[-1 + 0 * BPS]); 905 v8i16 r1 = (v8i16)__msa_fill_h(dst[-1 + 1 * BPS]); 906 v8i16 r2 = (v8i16)__msa_fill_h(dst[-1 + 2 * BPS]); 907 v8i16 r3 = (v8i16)__msa_fill_h(dst[-1 + 3 * BPS]); 908 ADD4(d, r0, d, r1, d, r2, d, r3, r0, r1, r2, r3); 909 CLIP_SH4_0_255(r0, r1, r2, r3); 910 PCKEV_B2_SB(r1, r0, r3, r2, t0, t1); 911 ST4x4_UB(t0, t1, 0, 2, 0, 2, dst, BPS); 912 ST4x4_UB(t0, t1, 1, 3, 1, 3, dst + 4, BPS); 913 dst += 4 * BPS; 914 } 915 } 916 917 static void VE8uv(uint8_t* dst) { // vertical 918 const v16u8 rtop = LD_UB(dst - BPS); 919 const uint64_t out = __msa_copy_s_d((v2i64)rtop, 0); 920 STORE8x8(out, dst); 921 } 922 923 static void HE8uv(uint8_t* dst) { // horizontal 924 int j; 925 for (j = 0; j < 8; j += 4) { 926 const v16u8 L0 = (v16u8)__msa_fill_b(dst[-1 + 0 * BPS]); 927 const v16u8 L1 = (v16u8)__msa_fill_b(dst[-1 + 1 * BPS]); 928 const v16u8 L2 = (v16u8)__msa_fill_b(dst[-1 + 2 * BPS]); 929 const v16u8 L3 = (v16u8)__msa_fill_b(dst[-1 + 3 * BPS]); 930 const uint64_t out0 = __msa_copy_s_d((v2i64)L0, 0); 931 const uint64_t out1 = __msa_copy_s_d((v2i64)L1, 0); 932 const uint64_t out2 = __msa_copy_s_d((v2i64)L2, 0); 933 const uint64_t out3 = __msa_copy_s_d((v2i64)L3, 0); 934 SD4(out0, out1, out2, out3, dst, BPS); 935 dst += 4 * BPS; 936 } 937 } 938 939 static void DC8uvNoLeft(uint8_t* dst) { // DC with no left samples 940 const uint32_t dc = 4; 941 const v16u8 rtop = LD_UB(dst - BPS); 942 const v8u16 temp0 = __msa_hadd_u_h(rtop, rtop); 943 const v4u32 temp1 = __msa_hadd_u_w(temp0, temp0); 944 const v2u64 temp2 = __msa_hadd_u_d(temp1, temp1); 945 const uint32_t sum_m = __msa_copy_s_w((v4i32)temp2, 0); 946 const v16u8 dcval = (v16u8)__msa_fill_b((dc + sum_m) >> 3); 947 const uint64_t out = __msa_copy_s_d((v2i64)dcval, 0); 948 STORE8x8(out, dst); 949 } 950 951 static void DC8uvNoTop(uint8_t* dst) { // DC with no top samples 952 uint32_t dc = 4; 953 int i; 954 uint64_t out; 955 v16u8 dctemp; 956 957 for (i = 0; i < 8; ++i) { 958 dc += dst[-1 + i * BPS]; 959 } 960 dctemp = (v16u8)__msa_fill_b(dc >> 3); 961 out = __msa_copy_s_d((v2i64)dctemp, 0); 962 STORE8x8(out, dst); 963 } 964 965 static void DC8uvNoTopLeft(uint8_t* dst) { // DC with nothing 966 const uint64_t out = 0x8080808080808080ULL; 967 STORE8x8(out, dst); 968 } 969 970 //------------------------------------------------------------------------------ 971 // Entry point 972 973 extern void VP8DspInitMSA(void); 974 975 WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMSA(void) { 976 VP8TransformWHT = TransformWHT; 977 VP8Transform = TransformTwo; 978 VP8TransformDC = TransformDC; 979 VP8TransformAC3 = TransformAC3; 980 981 VP8VFilter16 = VFilter16; 982 VP8HFilter16 = HFilter16; 983 VP8VFilter16i = VFilter16i; 984 VP8HFilter16i = HFilter16i; 985 VP8VFilter8 = VFilter8; 986 VP8HFilter8 = HFilter8; 987 VP8VFilter8i = VFilter8i; 988 VP8HFilter8i = HFilter8i; 989 VP8SimpleVFilter16 = SimpleVFilter16; 990 VP8SimpleHFilter16 = SimpleHFilter16; 991 VP8SimpleVFilter16i = SimpleVFilter16i; 992 VP8SimpleHFilter16i = SimpleHFilter16i; 993 994 VP8PredLuma4[0] = DC4; 995 VP8PredLuma4[1] = TM4; 996 VP8PredLuma4[2] = VE4; 997 VP8PredLuma4[4] = RD4; 998 VP8PredLuma4[6] = LD4; 999 VP8PredLuma16[0] = DC16; 1000 VP8PredLuma16[1] = TM16; 1001 VP8PredLuma16[2] = VE16; 1002 VP8PredLuma16[3] = HE16; 1003 VP8PredLuma16[4] = DC16NoTop; 1004 VP8PredLuma16[5] = DC16NoLeft; 1005 VP8PredLuma16[6] = DC16NoTopLeft; 1006 VP8PredChroma8[0] = DC8uv; 1007 VP8PredChroma8[1] = TM8uv; 1008 VP8PredChroma8[2] = VE8uv; 1009 VP8PredChroma8[3] = HE8uv; 1010 VP8PredChroma8[4] = DC8uvNoTop; 1011 VP8PredChroma8[5] = DC8uvNoLeft; 1012 VP8PredChroma8[6] = DC8uvNoTopLeft; 1013 } 1014 1015 #else // !WEBP_USE_MSA 1016 1017 WEBP_DSP_INIT_STUB(VP8DspInitMSA) 1018 1019 #endif // WEBP_USE_MSA 1020
