| /* |
| * Copyright (c) 2017 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 VPX_VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_ |
| #define VPX_VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_ |
| |
| #include <smmintrin.h> // SSE4.1 |
| |
| #include "./vpx_config.h" |
| #include "vpx_dsp/x86/highbd_inv_txfm_sse2.h" |
| |
| static INLINE __m128i multiplication_round_shift_sse4_1( |
| const __m128i *const in /*in[2]*/, const int c) { |
| const __m128i pair_c = pair_set_epi32(c * 4, 0); |
| __m128i t0, t1; |
| |
| t0 = _mm_mul_epi32(in[0], pair_c); |
| t1 = _mm_mul_epi32(in[1], pair_c); |
| t0 = dct_const_round_shift_64bit(t0); |
| t1 = dct_const_round_shift_64bit(t1); |
| |
| return pack_4(t0, t1); |
| } |
| |
| static INLINE void highbd_butterfly_sse4_1(const __m128i in0, const __m128i in1, |
| const int c0, const int c1, |
| __m128i *const out0, |
| __m128i *const out1) { |
| const __m128i pair_c0 = pair_set_epi32(4 * c0, 0); |
| const __m128i pair_c1 = pair_set_epi32(4 * c1, 0); |
| __m128i temp1[4], temp2[4]; |
| |
| extend_64bit(in0, temp1); |
| extend_64bit(in1, temp2); |
| temp1[2] = _mm_mul_epi32(temp1[0], pair_c1); |
| temp1[3] = _mm_mul_epi32(temp1[1], pair_c1); |
| temp1[0] = _mm_mul_epi32(temp1[0], pair_c0); |
| temp1[1] = _mm_mul_epi32(temp1[1], pair_c0); |
| temp2[2] = _mm_mul_epi32(temp2[0], pair_c0); |
| temp2[3] = _mm_mul_epi32(temp2[1], pair_c0); |
| temp2[0] = _mm_mul_epi32(temp2[0], pair_c1); |
| temp2[1] = _mm_mul_epi32(temp2[1], pair_c1); |
| temp1[0] = _mm_sub_epi64(temp1[0], temp2[0]); |
| temp1[1] = _mm_sub_epi64(temp1[1], temp2[1]); |
| temp2[0] = _mm_add_epi64(temp1[2], temp2[2]); |
| temp2[1] = _mm_add_epi64(temp1[3], temp2[3]); |
| temp1[0] = dct_const_round_shift_64bit(temp1[0]); |
| temp1[1] = dct_const_round_shift_64bit(temp1[1]); |
| temp2[0] = dct_const_round_shift_64bit(temp2[0]); |
| temp2[1] = dct_const_round_shift_64bit(temp2[1]); |
| *out0 = pack_4(temp1[0], temp1[1]); |
| *out1 = pack_4(temp2[0], temp2[1]); |
| } |
| |
| static INLINE void highbd_butterfly_cospi16_sse4_1(const __m128i in0, |
| const __m128i in1, |
| __m128i *const out0, |
| __m128i *const out1) { |
| __m128i temp1[2], temp2; |
| |
| temp2 = _mm_add_epi32(in0, in1); |
| extend_64bit(temp2, temp1); |
| *out0 = multiplication_round_shift_sse4_1(temp1, cospi_16_64); |
| temp2 = _mm_sub_epi32(in0, in1); |
| extend_64bit(temp2, temp1); |
| *out1 = multiplication_round_shift_sse4_1(temp1, cospi_16_64); |
| } |
| |
| static INLINE void highbd_partial_butterfly_sse4_1(const __m128i in, |
| const int c0, const int c1, |
| __m128i *const out0, |
| __m128i *const out1) { |
| __m128i temp[2]; |
| |
| extend_64bit(in, temp); |
| *out0 = multiplication_round_shift_sse4_1(temp, c0); |
| *out1 = multiplication_round_shift_sse4_1(temp, c1); |
| } |
| |
| static INLINE void highbd_idct4_sse4_1(__m128i *const io) { |
| __m128i temp[2], step[4]; |
| |
| transpose_32bit_4x4(io, io); |
| |
| // stage 1 |
| temp[0] = _mm_add_epi32(io[0], io[2]); // input[0] + input[2] |
| extend_64bit(temp[0], temp); |
| step[0] = multiplication_round_shift_sse4_1(temp, cospi_16_64); |
| temp[0] = _mm_sub_epi32(io[0], io[2]); // input[0] - input[2] |
| extend_64bit(temp[0], temp); |
| step[1] = multiplication_round_shift_sse4_1(temp, cospi_16_64); |
| highbd_butterfly_sse4_1(io[1], io[3], cospi_24_64, cospi_8_64, &step[2], |
| &step[3]); |
| |
| // stage 2 |
| io[0] = _mm_add_epi32(step[0], step[3]); // step[0] + step[3] |
| io[1] = _mm_add_epi32(step[1], step[2]); // step[1] + step[2] |
| io[2] = _mm_sub_epi32(step[1], step[2]); // step[1] - step[2] |
| io[3] = _mm_sub_epi32(step[0], step[3]); // step[0] - step[3] |
| } |
| |
| void vpx_highbd_idct8x8_half1d_sse4_1(__m128i *const io); |
| void vpx_highbd_idct16_4col_sse4_1(__m128i *const io /*io[16]*/); |
| |
| #endif // VPX_VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_ |