| /* |
| * Copyright (c) 2015 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "./vp8_rtcd.h" |
| #include "vp8/common/mips/msa/vp8_macros_msa.h" |
| |
| #define TRANSPOSE4x4_H(in0, in1, in2, in3, out0, out1, out2, out3) \ |
| { \ |
| v8i16 s0_m, s1_m, tp0_m, tp1_m, tp2_m, tp3_m; \ |
| \ |
| ILVR_H2_SH(in2, in0, in3, in1, s0_m, s1_m); \ |
| ILVRL_H2_SH(s1_m, s0_m, tp0_m, tp1_m); \ |
| ILVL_H2_SH(in2, in0, in3, in1, s0_m, s1_m); \ |
| ILVRL_H2_SH(s1_m, s0_m, tp2_m, tp3_m); \ |
| PCKEV_D2_SH(tp2_m, tp0_m, tp3_m, tp1_m, out0, out2); \ |
| PCKOD_D2_SH(tp2_m, tp0_m, tp3_m, tp1_m, out1, out3); \ |
| } |
| |
| #define SET_DOTP_VALUES(coeff, val0, val1, val2, const1, const2) \ |
| { \ |
| v8i16 tmp0_m; \ |
| \ |
| SPLATI_H3_SH(coeff, val0, val1, val2, tmp0_m, const1, const2); \ |
| ILVEV_H2_SH(tmp0_m, const1, const2, tmp0_m, const1, const2); \ |
| } |
| |
| #define RET_1_IF_NZERO_H(in0) \ |
| ({ \ |
| v8i16 tmp0_m; \ |
| v8i16 one_m = __msa_ldi_h(1); \ |
| \ |
| tmp0_m = __msa_ceqi_h(in0, 0); \ |
| tmp0_m = tmp0_m ^ 255; \ |
| tmp0_m = one_m & tmp0_m; \ |
| \ |
| tmp0_m; \ |
| }) |
| |
| #define RET_1_IF_NZERO_W(in0) \ |
| ({ \ |
| v4i32 tmp0_m; \ |
| v4i32 one_m = __msa_ldi_w(1); \ |
| \ |
| tmp0_m = __msa_ceqi_w(in0, 0); \ |
| tmp0_m = tmp0_m ^ 255; \ |
| tmp0_m = one_m & tmp0_m; \ |
| \ |
| tmp0_m; \ |
| }) |
| |
| #define RET_1_IF_NEG_W(in0) \ |
| ({ \ |
| v4i32 tmp0_m; \ |
| \ |
| v4i32 one_m = __msa_ldi_w(1); \ |
| tmp0_m = __msa_clti_s_w(in0, 0); \ |
| tmp0_m = one_m & tmp0_m; \ |
| \ |
| tmp0_m; \ |
| }) |
| |
| void vp8_short_fdct4x4_msa(int16_t *input, int16_t *output, int32_t pitch) |
| { |
| v8i16 in0, in1, in2, in3; |
| v8i16 temp0, temp1; |
| v8i16 const0, const1; |
| v8i16 coeff = { 2217, 5352, -5352, 14500, 7500, 12000, 25000, 26000 }; |
| v4i32 out0, out1, out2, out3; |
| v8i16 zero = { 0 }; |
| |
| LD_SH4(input, pitch / 2, in0, in1, in2, in3); |
| TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); |
| |
| BUTTERFLY_4(in0, in1, in2, in3, temp0, temp1, in1, in3); |
| SLLI_4V(temp0, temp1, in1, in3, 3); |
| in0 = temp0 + temp1; |
| in2 = temp0 - temp1; |
| SET_DOTP_VALUES(coeff, 0, 1, 2, const0, const1); |
| temp0 = __msa_ilvr_h(in3, in1); |
| in1 = __msa_splati_h(coeff, 3); |
| out0 = (v4i32)__msa_ilvev_h(zero, in1); |
| coeff = __msa_ilvl_h(zero, coeff); |
| out1 = __msa_splati_w((v4i32)coeff, 0); |
| DPADD_SH2_SW(temp0, temp0, const0, const1, out0, out1); |
| out0 >>= 12; |
| out1 >>= 12; |
| PCKEV_H2_SH(out0, out0, out1, out1, in1, in3); |
| TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); |
| |
| BUTTERFLY_4(in0, in1, in2, in3, temp0, temp1, in1, in3); |
| in0 = temp0 + temp1 + 7; |
| in2 = temp0 - temp1 + 7; |
| in0 >>= 4; |
| in2 >>= 4; |
| ILVR_H2_SW(zero, in0, zero, in2, out0, out2); |
| temp1 = RET_1_IF_NZERO_H(in3); |
| ILVR_H2_SH(zero, temp1, in3, in1, temp1, temp0); |
| SPLATI_W2_SW(coeff, 2, out3, out1); |
| out3 += out1; |
| out1 = __msa_splati_w((v4i32)coeff, 1); |
| DPADD_SH2_SW(temp0, temp0, const0, const1, out1, out3); |
| out1 >>= 16; |
| out3 >>= 16; |
| out1 += (v4i32)temp1; |
| PCKEV_H2_SH(out1, out0, out3, out2, in0, in2); |
| ST_SH2(in0, in2, output, 8); |
| } |
| |
| void vp8_short_fdct8x4_msa(int16_t *input, int16_t *output, int32_t pitch) |
| { |
| v8i16 in0, in1, in2, in3; |
| v8i16 temp0, temp1, tmp0, tmp1; |
| v8i16 const0, const1, const2; |
| v8i16 coeff = { 2217, 5352, -5352, 14500, 7500, 12000, 25000, 26000 }; |
| v8i16 zero = { 0 }; |
| v4i32 vec0_w, vec1_w, vec2_w, vec3_w; |
| |
| LD_SH4(input, pitch / 2, in0, in1, in2, in3); |
| TRANSPOSE4x4_H(in0, in1, in2, in3, in0, in1, in2, in3); |
| |
| BUTTERFLY_4(in0, in1, in2, in3, temp0, temp1, in1, in3); |
| SLLI_4V(temp0, temp1, in1, in3, 3); |
| in0 = temp0 + temp1; |
| in2 = temp0 - temp1; |
| SET_DOTP_VALUES(coeff, 0, 1, 2, const1, const2); |
| temp0 = __msa_splati_h(coeff, 3); |
| vec1_w = (v4i32)__msa_ilvev_h(zero, temp0); |
| coeff = __msa_ilvl_h(zero, coeff); |
| vec3_w = __msa_splati_w((v4i32)coeff, 0); |
| ILVRL_H2_SH(in3, in1, tmp1, tmp0); |
| vec0_w = vec1_w; |
| vec2_w = vec3_w; |
| DPADD_SH4_SW(tmp1, tmp0, tmp1, tmp0, const1, const1, const2, const2, |
| vec0_w, vec1_w, vec2_w, vec3_w); |
| SRA_4V(vec1_w, vec0_w, vec3_w, vec2_w, 12); |
| PCKEV_H2_SH(vec1_w, vec0_w, vec3_w, vec2_w, in1, in3); |
| TRANSPOSE4x4_H(in0, in1, in2, in3, in0, in1, in2, in3); |
| |
| BUTTERFLY_4(in0, in1, in2, in3, temp0, temp1, in1, in3); |
| in0 = temp0 + temp1 + 7; |
| in2 = temp0 - temp1 + 7; |
| in0 >>= 4; |
| in2 >>= 4; |
| SPLATI_W2_SW(coeff, 2, vec3_w, vec1_w); |
| vec3_w += vec1_w; |
| vec1_w = __msa_splati_w((v4i32)coeff, 1); |
| const0 = RET_1_IF_NZERO_H(in3); |
| ILVRL_H2_SH(in3, in1, tmp1, tmp0); |
| vec0_w = vec1_w; |
| vec2_w = vec3_w; |
| DPADD_SH4_SW(tmp1, tmp0, tmp1, tmp0, const1, const1, const2, const2, |
| vec0_w, vec1_w, vec2_w, vec3_w); |
| SRA_4V(vec1_w, vec0_w, vec3_w, vec2_w, 16); |
| PCKEV_H2_SH(vec1_w, vec0_w, vec3_w, vec2_w, in1, in3); |
| in1 += const0; |
| PCKEV_D2_SH(in1, in0, in3, in2, temp0, temp1); |
| ST_SH2(temp0, temp1, output, 8); |
| |
| PCKOD_D2_SH(in1, in0, in3, in2, in0, in2); |
| ST_SH2(in0, in2, output + 16, 8); |
| } |
| |
| void vp8_short_walsh4x4_msa(int16_t *input, int16_t *output, int32_t pitch) |
| { |
| v8i16 in0_h, in1_h, in2_h, in3_h; |
| v4i32 in0_w, in1_w, in2_w, in3_w, temp0, temp1, temp2, temp3; |
| |
| LD_SH4(input, pitch / 2, in0_h, in1_h, in2_h, in3_h); |
| TRANSPOSE4x4_SH_SH(in0_h, in1_h, in2_h, in3_h, in0_h, in1_h, in2_h, in3_h); |
| |
| UNPCK_R_SH_SW(in0_h, in0_w); |
| UNPCK_R_SH_SW(in1_h, in1_w); |
| UNPCK_R_SH_SW(in2_h, in2_w); |
| UNPCK_R_SH_SW(in3_h, in3_w); |
| BUTTERFLY_4(in0_w, in1_w, in3_w, in2_w, temp0, temp3, temp2, temp1); |
| SLLI_4V(temp0, temp1, temp2, temp3, 2); |
| BUTTERFLY_4(temp0, temp1, temp2, temp3, in0_w, in1_w, in2_w, in3_w); |
| temp0 = RET_1_IF_NZERO_W(temp0); |
| in0_w += temp0; |
| TRANSPOSE4x4_SW_SW(in0_w, in1_w, in2_w, in3_w, in0_w, in1_w, in2_w, in3_w); |
| |
| BUTTERFLY_4(in0_w, in1_w, in3_w, in2_w, temp0, temp3, temp2, temp1); |
| BUTTERFLY_4(temp0, temp1, temp2, temp3, in0_w, in1_w, in2_w, in3_w); |
| in0_w += RET_1_IF_NEG_W(in0_w); |
| in1_w += RET_1_IF_NEG_W(in1_w); |
| in2_w += RET_1_IF_NEG_W(in2_w); |
| in3_w += RET_1_IF_NEG_W(in3_w); |
| ADD4(in0_w, 3, in1_w, 3, in2_w, 3, in3_w, 3, in0_w, in1_w, in2_w, in3_w); |
| SRA_4V(in0_w, in1_w, in2_w, in3_w, 3); |
| PCKEV_H2_SH(in1_w, in0_w, in3_w, in2_w, in0_h, in1_h); |
| ST_SH2(in0_h, in1_h, output, 8); |
| } |