1 /* 2 * Copyright (c) 2015 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 "./vpx_dsp_rtcd.h" 12 #include "vpx_dsp/mips/fwd_txfm_msa.h" 13 14 void vpx_fdct8x8_1_msa(const int16_t *input, tran_low_t *out, int32_t stride) { 15 v8i16 in0, in1, in2, in3, in4, in5, in6, in7; 16 v4i32 vec_w; 17 18 LD_SH8(input, stride, in0, in1, in2, in3, in4, in5, in6, in7); 19 ADD4(in0, in1, in2, in3, in4, in5, in6, in7, in0, in2, in4, in6); 20 ADD2(in0, in2, in4, in6, in0, in4); 21 vec_w = __msa_hadd_s_w(in0, in0); 22 vec_w += __msa_hadd_s_w(in4, in4); 23 out[0] = HADD_SW_S32(vec_w); 24 out[1] = 0; 25 } 26 27 #if !CONFIG_VP9_HIGHBITDEPTH 28 void fdct8x16_1d_column(const int16_t *input, int16_t *tmp_ptr, 29 int32_t src_stride) { 30 v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; 31 v8i16 in0, in1, in2, in3, in4, in5, in6, in7; 32 v8i16 in8, in9, in10, in11, in12, in13, in14, in15; 33 v8i16 stp21, stp22, stp23, stp24, stp25, stp26, stp30; 34 v8i16 stp31, stp32, stp33, stp34, stp35, stp36, stp37; 35 v8i16 vec0, vec1, vec2, vec3, vec4, vec5, cnst0, cnst1, cnst4, cnst5; 36 v8i16 coeff = { cospi_16_64, -cospi_16_64, cospi_8_64, cospi_24_64, 37 -cospi_8_64, -cospi_24_64, cospi_12_64, cospi_20_64 }; 38 v8i16 coeff1 = { cospi_2_64, cospi_30_64, cospi_14_64, cospi_18_64, 39 cospi_10_64, cospi_22_64, cospi_6_64, cospi_26_64 }; 40 v8i16 coeff2 = { 41 -cospi_2_64, -cospi_10_64, -cospi_18_64, -cospi_26_64, 0, 0, 0, 0 42 }; 43 44 LD_SH16(input, src_stride, in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, 45 in10, in11, in12, in13, in14, in15); 46 SLLI_4V(in0, in1, in2, in3, 2); 47 SLLI_4V(in4, in5, in6, in7, 2); 48 SLLI_4V(in8, in9, in10, in11, 2); 49 SLLI_4V(in12, in13, in14, in15, 2); 50 ADD4(in0, in15, in1, in14, in2, in13, in3, in12, tmp0, tmp1, tmp2, tmp3); 51 ADD4(in4, in11, in5, in10, in6, in9, in7, in8, tmp4, tmp5, tmp6, tmp7); 52 FDCT8x16_EVEN(tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp0, tmp1, 53 tmp2, tmp3, tmp4, tmp5, tmp6, tmp7); 54 ST_SH8(tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp_ptr, 32); 55 SUB4(in0, in15, in1, in14, in2, in13, in3, in12, in15, in14, in13, in12); 56 SUB4(in4, in11, in5, in10, in6, in9, in7, in8, in11, in10, in9, in8); 57 58 tmp_ptr += 16; 59 60 /* stp 1 */ 61 ILVL_H2_SH(in10, in13, in11, in12, vec2, vec4); 62 ILVR_H2_SH(in10, in13, in11, in12, vec3, vec5); 63 64 cnst4 = __msa_splati_h(coeff, 0); 65 stp25 = DOT_SHIFT_RIGHT_PCK_H(vec2, vec3, cnst4); 66 67 cnst5 = __msa_splati_h(coeff, 1); 68 cnst5 = __msa_ilvev_h(cnst5, cnst4); 69 stp22 = DOT_SHIFT_RIGHT_PCK_H(vec2, vec3, cnst5); 70 stp24 = DOT_SHIFT_RIGHT_PCK_H(vec4, vec5, cnst4); 71 stp23 = DOT_SHIFT_RIGHT_PCK_H(vec4, vec5, cnst5); 72 73 /* stp2 */ 74 BUTTERFLY_4(in8, in9, stp22, stp23, stp30, stp31, stp32, stp33); 75 BUTTERFLY_4(in15, in14, stp25, stp24, stp37, stp36, stp35, stp34); 76 ILVL_H2_SH(stp36, stp31, stp35, stp32, vec2, vec4); 77 ILVR_H2_SH(stp36, stp31, stp35, stp32, vec3, vec5); 78 SPLATI_H2_SH(coeff, 2, 3, cnst0, cnst1); 79 cnst0 = __msa_ilvev_h(cnst0, cnst1); 80 stp26 = DOT_SHIFT_RIGHT_PCK_H(vec2, vec3, cnst0); 81 82 cnst0 = __msa_splati_h(coeff, 4); 83 cnst1 = __msa_ilvev_h(cnst1, cnst0); 84 stp21 = DOT_SHIFT_RIGHT_PCK_H(vec2, vec3, cnst1); 85 86 BUTTERFLY_4(stp30, stp37, stp26, stp21, in8, in15, in14, in9); 87 ILVRL_H2_SH(in15, in8, vec1, vec0); 88 SPLATI_H2_SH(coeff1, 0, 1, cnst0, cnst1); 89 cnst0 = __msa_ilvev_h(cnst0, cnst1); 90 91 in8 = DOT_SHIFT_RIGHT_PCK_H(vec0, vec1, cnst0); 92 ST_SH(in8, tmp_ptr); 93 94 cnst0 = __msa_splati_h(coeff2, 0); 95 cnst0 = __msa_ilvev_h(cnst1, cnst0); 96 in8 = DOT_SHIFT_RIGHT_PCK_H(vec0, vec1, cnst0); 97 ST_SH(in8, tmp_ptr + 224); 98 99 ILVRL_H2_SH(in14, in9, vec1, vec0); 100 SPLATI_H2_SH(coeff1, 2, 3, cnst0, cnst1); 101 cnst1 = __msa_ilvev_h(cnst1, cnst0); 102 103 in8 = DOT_SHIFT_RIGHT_PCK_H(vec0, vec1, cnst1); 104 ST_SH(in8, tmp_ptr + 128); 105 106 cnst1 = __msa_splati_h(coeff2, 2); 107 cnst0 = __msa_ilvev_h(cnst0, cnst1); 108 in8 = DOT_SHIFT_RIGHT_PCK_H(vec0, vec1, cnst0); 109 ST_SH(in8, tmp_ptr + 96); 110 111 SPLATI_H2_SH(coeff, 2, 5, cnst0, cnst1); 112 cnst1 = __msa_ilvev_h(cnst1, cnst0); 113 114 stp25 = DOT_SHIFT_RIGHT_PCK_H(vec4, vec5, cnst1); 115 116 cnst1 = __msa_splati_h(coeff, 3); 117 cnst1 = __msa_ilvev_h(cnst0, cnst1); 118 stp22 = DOT_SHIFT_RIGHT_PCK_H(vec4, vec5, cnst1); 119 120 /* stp4 */ 121 ADD2(stp34, stp25, stp33, stp22, in13, in10); 122 123 ILVRL_H2_SH(in13, in10, vec1, vec0); 124 SPLATI_H2_SH(coeff1, 4, 5, cnst0, cnst1); 125 cnst0 = __msa_ilvev_h(cnst0, cnst1); 126 in8 = DOT_SHIFT_RIGHT_PCK_H(vec0, vec1, cnst0); 127 ST_SH(in8, tmp_ptr + 64); 128 129 cnst0 = __msa_splati_h(coeff2, 1); 130 cnst0 = __msa_ilvev_h(cnst1, cnst0); 131 in8 = DOT_SHIFT_RIGHT_PCK_H(vec0, vec1, cnst0); 132 ST_SH(in8, tmp_ptr + 160); 133 134 SUB2(stp34, stp25, stp33, stp22, in12, in11); 135 ILVRL_H2_SH(in12, in11, vec1, vec0); 136 SPLATI_H2_SH(coeff1, 6, 7, cnst0, cnst1); 137 cnst1 = __msa_ilvev_h(cnst1, cnst0); 138 139 in8 = DOT_SHIFT_RIGHT_PCK_H(vec0, vec1, cnst1); 140 ST_SH(in8, tmp_ptr + 192); 141 142 cnst1 = __msa_splati_h(coeff2, 3); 143 cnst0 = __msa_ilvev_h(cnst0, cnst1); 144 in8 = DOT_SHIFT_RIGHT_PCK_H(vec0, vec1, cnst0); 145 ST_SH(in8, tmp_ptr + 32); 146 } 147 148 void fdct16x8_1d_row(int16_t *input, int16_t *output) { 149 v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; 150 v8i16 in0, in1, in2, in3, in4, in5, in6, in7; 151 v8i16 in8, in9, in10, in11, in12, in13, in14, in15; 152 153 LD_SH8(input, 16, in0, in1, in2, in3, in4, in5, in6, in7); 154 LD_SH8((input + 8), 16, in8, in9, in10, in11, in12, in13, in14, in15); 155 TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, 156 in4, in5, in6, in7); 157 TRANSPOSE8x8_SH_SH(in8, in9, in10, in11, in12, in13, in14, in15, in8, in9, 158 in10, in11, in12, in13, in14, in15); 159 ADD4(in0, 1, in1, 1, in2, 1, in3, 1, in0, in1, in2, in3); 160 ADD4(in4, 1, in5, 1, in6, 1, in7, 1, in4, in5, in6, in7); 161 ADD4(in8, 1, in9, 1, in10, 1, in11, 1, in8, in9, in10, in11); 162 ADD4(in12, 1, in13, 1, in14, 1, in15, 1, in12, in13, in14, in15); 163 SRA_4V(in0, in1, in2, in3, 2); 164 SRA_4V(in4, in5, in6, in7, 2); 165 SRA_4V(in8, in9, in10, in11, 2); 166 SRA_4V(in12, in13, in14, in15, 2); 167 BUTTERFLY_16(in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10, in11, 168 in12, in13, in14, in15, tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, 169 tmp7, in8, in9, in10, in11, in12, in13, in14, in15); 170 ST_SH8(in8, in9, in10, in11, in12, in13, in14, in15, input, 16); 171 FDCT8x16_EVEN(tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp0, tmp1, 172 tmp2, tmp3, tmp4, tmp5, tmp6, tmp7); 173 LD_SH8(input, 16, in8, in9, in10, in11, in12, in13, in14, in15); 174 FDCT8x16_ODD(in8, in9, in10, in11, in12, in13, in14, in15, in0, in1, in2, in3, 175 in4, in5, in6, in7); 176 TRANSPOSE8x8_SH_SH(tmp0, in0, tmp1, in1, tmp2, in2, tmp3, in3, tmp0, in0, 177 tmp1, in1, tmp2, in2, tmp3, in3); 178 ST_SH8(tmp0, in0, tmp1, in1, tmp2, in2, tmp3, in3, output, 16); 179 TRANSPOSE8x8_SH_SH(tmp4, in4, tmp5, in5, tmp6, in6, tmp7, in7, tmp4, in4, 180 tmp5, in5, tmp6, in6, tmp7, in7); 181 ST_SH8(tmp4, in4, tmp5, in5, tmp6, in6, tmp7, in7, output + 8, 16); 182 } 183 184 void vpx_fdct4x4_msa(const int16_t *input, int16_t *output, 185 int32_t src_stride) { 186 v8i16 in0, in1, in2, in3; 187 188 LD_SH4(input, src_stride, in0, in1, in2, in3); 189 190 /* fdct4 pre-process */ 191 { 192 v8i16 vec, mask; 193 v16i8 zero = { 0 }; 194 v16i8 one = __msa_ldi_b(1); 195 196 mask = (v8i16)__msa_sldi_b(zero, one, 15); 197 SLLI_4V(in0, in1, in2, in3, 4); 198 vec = __msa_ceqi_h(in0, 0); 199 vec = vec ^ 255; 200 vec = mask & vec; 201 in0 += vec; 202 } 203 204 VP9_FDCT4(in0, in1, in2, in3, in0, in1, in2, in3); 205 TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); 206 VP9_FDCT4(in0, in1, in2, in3, in0, in1, in2, in3); 207 TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); 208 ADD4(in0, 1, in1, 1, in2, 1, in3, 1, in0, in1, in2, in3); 209 SRA_4V(in0, in1, in2, in3, 2); 210 PCKEV_D2_SH(in1, in0, in3, in2, in0, in2); 211 ST_SH2(in0, in2, output, 8); 212 } 213 214 void vpx_fdct8x8_msa(const int16_t *input, int16_t *output, 215 int32_t src_stride) { 216 v8i16 in0, in1, in2, in3, in4, in5, in6, in7; 217 218 LD_SH8(input, src_stride, in0, in1, in2, in3, in4, in5, in6, in7); 219 SLLI_4V(in0, in1, in2, in3, 2); 220 SLLI_4V(in4, in5, in6, in7, 2); 221 VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, 222 in5, in6, in7); 223 TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, 224 in4, in5, in6, in7); 225 VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, 226 in5, in6, in7); 227 TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, 228 in4, in5, in6, in7); 229 SRLI_AVE_S_4V_H(in0, in1, in2, in3, in4, in5, in6, in7); 230 ST_SH8(in0, in1, in2, in3, in4, in5, in6, in7, output, 8); 231 } 232 233 void vpx_fdct16x16_msa(const int16_t *input, int16_t *output, 234 int32_t src_stride) { 235 int32_t i; 236 DECLARE_ALIGNED(32, int16_t, tmp_buf[16 * 16]); 237 238 /* column transform */ 239 for (i = 0; i < 2; ++i) { 240 fdct8x16_1d_column((input + 8 * i), (&tmp_buf[0] + 8 * i), src_stride); 241 } 242 243 /* row transform */ 244 for (i = 0; i < 2; ++i) { 245 fdct16x8_1d_row((&tmp_buf[0] + (128 * i)), (output + (128 * i))); 246 } 247 } 248 249 void vpx_fdct16x16_1_msa(const int16_t *input, int16_t *out, int32_t stride) { 250 int sum, i; 251 v8i16 in0, in1, in2, in3, in4, in5, in6, in7; 252 v4i32 vec_w = { 0 }; 253 254 for (i = 0; i < 4; ++i) { 255 LD_SH2(input, 8, in0, in1); 256 input += stride; 257 LD_SH2(input, 8, in2, in3); 258 input += stride; 259 LD_SH2(input, 8, in4, in5); 260 input += stride; 261 LD_SH2(input, 8, in6, in7); 262 input += stride; 263 ADD4(in0, in1, in2, in3, in4, in5, in6, in7, in0, in2, in4, in6); 264 ADD2(in0, in2, in4, in6, in0, in4); 265 vec_w += __msa_hadd_s_w(in0, in0); 266 vec_w += __msa_hadd_s_w(in4, in4); 267 } 268 269 sum = HADD_SW_S32(vec_w); 270 out[0] = (int16_t)(sum >> 1); 271 } 272 #endif // !CONFIG_VP9_HIGHBITDEPTH 273
