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- /*
- * 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.
- */
- #ifndef VP9_ENCODER_MIPS_MSA_VP9_FDCT_MSA_H_
- #define VP9_ENCODER_MIPS_MSA_VP9_FDCT_MSA_H_
- #include "vpx_dsp/mips/fwd_txfm_msa.h"
- #include "vpx_dsp/mips/txfm_macros_msa.h"
- #include "vpx_ports/mem.h"
- #define VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, out0, out1, out2, \
- out3, out4, out5, out6, out7) \
- { \
- v8i16 cnst0_m, cnst1_m, cnst2_m, cnst3_m, cnst4_m; \
- v8i16 vec0_m, vec1_m, vec2_m, vec3_m, s0_m, s1_m; \
- v8i16 coeff0_m = { cospi_2_64, cospi_6_64, cospi_10_64, cospi_14_64, \
- cospi_18_64, cospi_22_64, cospi_26_64, cospi_30_64 }; \
- v8i16 coeff1_m = { cospi_8_64, -cospi_8_64, cospi_16_64, -cospi_16_64, \
- cospi_24_64, -cospi_24_64, 0, 0 }; \
- \
- SPLATI_H2_SH(coeff0_m, 0, 7, cnst0_m, cnst1_m); \
- cnst2_m = -cnst0_m; \
- ILVEV_H2_SH(cnst0_m, cnst1_m, cnst1_m, cnst2_m, cnst0_m, cnst1_m); \
- SPLATI_H2_SH(coeff0_m, 4, 3, cnst2_m, cnst3_m); \
- cnst4_m = -cnst2_m; \
- ILVEV_H2_SH(cnst2_m, cnst3_m, cnst3_m, cnst4_m, cnst2_m, cnst3_m); \
- \
- ILVRL_H2_SH(in0, in7, vec1_m, vec0_m); \
- ILVRL_H2_SH(in4, in3, vec3_m, vec2_m); \
- DOT_ADD_SUB_SRARI_PCK(vec0_m, vec1_m, vec2_m, vec3_m, cnst0_m, cnst1_m, \
- cnst2_m, cnst3_m, in7, in0, in4, in3); \
- \
- SPLATI_H2_SH(coeff0_m, 2, 5, cnst0_m, cnst1_m); \
- cnst2_m = -cnst0_m; \
- ILVEV_H2_SH(cnst0_m, cnst1_m, cnst1_m, cnst2_m, cnst0_m, cnst1_m); \
- SPLATI_H2_SH(coeff0_m, 6, 1, cnst2_m, cnst3_m); \
- cnst4_m = -cnst2_m; \
- ILVEV_H2_SH(cnst2_m, cnst3_m, cnst3_m, cnst4_m, cnst2_m, cnst3_m); \
- \
- ILVRL_H2_SH(in2, in5, vec1_m, vec0_m); \
- ILVRL_H2_SH(in6, in1, vec3_m, vec2_m); \
- \
- DOT_ADD_SUB_SRARI_PCK(vec0_m, vec1_m, vec2_m, vec3_m, cnst0_m, cnst1_m, \
- cnst2_m, cnst3_m, in5, in2, in6, in1); \
- BUTTERFLY_4(in7, in0, in2, in5, s1_m, s0_m, in2, in5); \
- out7 = -s0_m; \
- out0 = s1_m; \
- \
- SPLATI_H4_SH(coeff1_m, 0, 4, 1, 5, cnst0_m, cnst1_m, cnst2_m, cnst3_m); \
- \
- ILVEV_H2_SH(cnst3_m, cnst0_m, cnst1_m, cnst2_m, cnst3_m, cnst2_m); \
- cnst0_m = __msa_ilvev_h(cnst1_m, cnst0_m); \
- cnst1_m = cnst0_m; \
- \
- ILVRL_H2_SH(in4, in3, vec1_m, vec0_m); \
- ILVRL_H2_SH(in6, in1, vec3_m, vec2_m); \
- DOT_ADD_SUB_SRARI_PCK(vec0_m, vec1_m, vec2_m, vec3_m, cnst0_m, cnst2_m, \
- cnst3_m, cnst1_m, out1, out6, s0_m, s1_m); \
- \
- SPLATI_H2_SH(coeff1_m, 2, 3, cnst0_m, cnst1_m); \
- cnst1_m = __msa_ilvev_h(cnst1_m, cnst0_m); \
- \
- ILVRL_H2_SH(in2, in5, vec1_m, vec0_m); \
- ILVRL_H2_SH(s0_m, s1_m, vec3_m, vec2_m); \
- out3 = DOT_SHIFT_RIGHT_PCK_H(vec0_m, vec1_m, cnst0_m); \
- out4 = DOT_SHIFT_RIGHT_PCK_H(vec0_m, vec1_m, cnst1_m); \
- out2 = DOT_SHIFT_RIGHT_PCK_H(vec2_m, vec3_m, cnst0_m); \
- out5 = DOT_SHIFT_RIGHT_PCK_H(vec2_m, vec3_m, cnst1_m); \
- \
- out1 = -out1; \
- out3 = -out3; \
- out5 = -out5; \
- }
- #define VP9_FADST4(in0, in1, in2, in3, out0, out1, out2, out3) \
- { \
- v4i32 s0_m, s1_m, s2_m, s3_m, constant_m; \
- v4i32 in0_r_m, in1_r_m, in2_r_m, in3_r_m; \
- \
- UNPCK_R_SH_SW(in0, in0_r_m); \
- UNPCK_R_SH_SW(in1, in1_r_m); \
- UNPCK_R_SH_SW(in2, in2_r_m); \
- UNPCK_R_SH_SW(in3, in3_r_m); \
- \
- constant_m = __msa_fill_w(sinpi_4_9); \
- MUL2(in0_r_m, constant_m, in3_r_m, constant_m, s1_m, s0_m); \
- \
- constant_m = __msa_fill_w(sinpi_1_9); \
- s0_m += in0_r_m * constant_m; \
- s1_m -= in1_r_m * constant_m; \
- \
- constant_m = __msa_fill_w(sinpi_2_9); \
- s0_m += in1_r_m * constant_m; \
- s1_m += in3_r_m * constant_m; \
- \
- s2_m = in0_r_m + in1_r_m - in3_r_m; \
- \
- constant_m = __msa_fill_w(sinpi_3_9); \
- MUL2(in2_r_m, constant_m, s2_m, constant_m, s3_m, in1_r_m); \
- \
- in0_r_m = s0_m + s3_m; \
- s2_m = s1_m - s3_m; \
- s3_m = s1_m - s0_m + s3_m; \
- \
- SRARI_W4_SW(in0_r_m, in1_r_m, s2_m, s3_m, DCT_CONST_BITS); \
- PCKEV_H4_SH(in0_r_m, in0_r_m, in1_r_m, in1_r_m, s2_m, s2_m, s3_m, s3_m, \
- out0, out1, out2, out3); \
- }
- #endif /* VP9_ENCODER_MIPS_MSA_VP9_FDCT_MSA_H_ */
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