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Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/x86/highbd_inv_txfm_sse4.h')
| -rw-r--r-- | media/libvpx/libvpx/vpx_dsp/x86/highbd_inv_txfm_sse4.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/x86/highbd_inv_txfm_sse4.h b/media/libvpx/libvpx/vpx_dsp/x86/highbd_inv_txfm_sse4.h new file mode 100644 index 0000000000..f446bb13f3 --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/x86/highbd_inv_txfm_sse4.h @@ -0,0 +1,112 @@ +/* + * 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_ |