| /* |
| * Copyright (c) 2018, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| #ifndef AOM_AV1_COMMON_X86_AV1_TXFM_SSE2_H_ |
| #define AOM_AV1_COMMON_X86_AV1_TXFM_SSE2_H_ |
| |
| #include <emmintrin.h> // SSE2 |
| |
| #include "config/aom_config.h" |
| #include "config/av1_rtcd.h" |
| |
| #include "aom/aom_integer.h" |
| #include "aom_dsp/x86/transpose_sse2.h" |
| #include "aom_dsp/x86/txfm_common_sse2.h" |
| #include "av1/common/av1_txfm.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| static INLINE void btf_16_w4_sse2( |
| const __m128i *const w0, const __m128i *const w1, const __m128i __rounding, |
| const int8_t cos_bit, const __m128i *const in0, const __m128i *const in1, |
| __m128i *const out0, __m128i *const out1) { |
| const __m128i t0 = _mm_unpacklo_epi16(*in0, *in1); |
| const __m128i u0 = _mm_madd_epi16(t0, *w0); |
| const __m128i v0 = _mm_madd_epi16(t0, *w1); |
| const __m128i a0 = _mm_add_epi32(u0, __rounding); |
| const __m128i b0 = _mm_add_epi32(v0, __rounding); |
| const __m128i c0 = _mm_srai_epi32(a0, cos_bit); |
| const __m128i d0 = _mm_srai_epi32(b0, cos_bit); |
| |
| *out0 = _mm_packs_epi32(c0, c0); |
| *out1 = _mm_packs_epi32(d0, c0); |
| } |
| |
| #define btf_16_4p_sse2(w0, w1, in0, in1, out0, out1) \ |
| do { \ |
| __m128i t0 = _mm_unpacklo_epi16(in0, in1); \ |
| __m128i u0 = _mm_madd_epi16(t0, w0); \ |
| __m128i v0 = _mm_madd_epi16(t0, w1); \ |
| \ |
| __m128i a0 = _mm_add_epi32(u0, __rounding); \ |
| __m128i b0 = _mm_add_epi32(v0, __rounding); \ |
| \ |
| __m128i c0 = _mm_srai_epi32(a0, cos_bit); \ |
| __m128i d0 = _mm_srai_epi32(b0, cos_bit); \ |
| \ |
| out0 = _mm_packs_epi32(c0, c0); \ |
| out1 = _mm_packs_epi32(d0, d0); \ |
| } while (0) |
| |
| #define btf_16_sse2(w0, w1, in0, in1, out0, out1) \ |
| do { \ |
| __m128i t0 = _mm_unpacklo_epi16(in0, in1); \ |
| __m128i t1 = _mm_unpackhi_epi16(in0, in1); \ |
| __m128i u0 = _mm_madd_epi16(t0, w0); \ |
| __m128i u1 = _mm_madd_epi16(t1, w0); \ |
| __m128i v0 = _mm_madd_epi16(t0, w1); \ |
| __m128i v1 = _mm_madd_epi16(t1, w1); \ |
| \ |
| __m128i a0 = _mm_add_epi32(u0, __rounding); \ |
| __m128i a1 = _mm_add_epi32(u1, __rounding); \ |
| __m128i b0 = _mm_add_epi32(v0, __rounding); \ |
| __m128i b1 = _mm_add_epi32(v1, __rounding); \ |
| \ |
| __m128i c0 = _mm_srai_epi32(a0, cos_bit); \ |
| __m128i c1 = _mm_srai_epi32(a1, cos_bit); \ |
| __m128i d0 = _mm_srai_epi32(b0, cos_bit); \ |
| __m128i d1 = _mm_srai_epi32(b1, cos_bit); \ |
| \ |
| out0 = _mm_packs_epi32(c0, c1); \ |
| out1 = _mm_packs_epi32(d0, d1); \ |
| } while (0) |
| |
| static INLINE __m128i load_16bit_to_16bit(const int16_t *a) { |
| return _mm_load_si128((const __m128i *)a); |
| } |
| |
| static INLINE __m128i load_32bit_to_16bit(const int32_t *a) { |
| const __m128i a_low = _mm_load_si128((const __m128i *)a); |
| return _mm_packs_epi32(a_low, *(const __m128i *)(a + 4)); |
| } |
| |
| static INLINE __m128i load_32bit_to_16bit_w4(const int32_t *a) { |
| const __m128i a_low = _mm_load_si128((const __m128i *)a); |
| return _mm_packs_epi32(a_low, a_low); |
| } |
| |
| // Store 4 16 bit values. Sign extend the values. |
| static INLINE void store_16bit_to_32bit_w4(const __m128i a, int32_t *const b) { |
| const __m128i a_lo = _mm_unpacklo_epi16(a, a); |
| const __m128i a_1 = _mm_srai_epi32(a_lo, 16); |
| _mm_store_si128((__m128i *)b, a_1); |
| } |
| |
| // Store 8 16 bit values. Sign extend the values. |
| static INLINE void store_16bit_to_32bit(__m128i a, int32_t *b) { |
| const __m128i a_lo = _mm_unpacklo_epi16(a, a); |
| const __m128i a_hi = _mm_unpackhi_epi16(a, a); |
| const __m128i a_1 = _mm_srai_epi32(a_lo, 16); |
| const __m128i a_2 = _mm_srai_epi32(a_hi, 16); |
| _mm_store_si128((__m128i *)b, a_1); |
| _mm_store_si128((__m128i *)(b + 4), a_2); |
| } |
| |
| static INLINE __m128i scale_round_sse2(const __m128i a, const int scale) { |
| const __m128i scale_rounding = pair_set_epi16(scale, 1 << (NewSqrt2Bits - 1)); |
| const __m128i b = _mm_madd_epi16(a, scale_rounding); |
| return _mm_srai_epi32(b, NewSqrt2Bits); |
| } |
| |
| static INLINE void store_rect_16bit_to_32bit_w4(const __m128i a, |
| int32_t *const b) { |
| const __m128i one = _mm_set1_epi16(1); |
| const __m128i a_lo = _mm_unpacklo_epi16(a, one); |
| const __m128i b_lo = scale_round_sse2(a_lo, NewSqrt2); |
| _mm_store_si128((__m128i *)b, b_lo); |
| } |
| |
| static INLINE void store_rect_16bit_to_32bit(const __m128i a, |
| int32_t *const b) { |
| const __m128i one = _mm_set1_epi16(1); |
| const __m128i a_lo = _mm_unpacklo_epi16(a, one); |
| const __m128i a_hi = _mm_unpackhi_epi16(a, one); |
| const __m128i b_lo = scale_round_sse2(a_lo, NewSqrt2); |
| const __m128i b_hi = scale_round_sse2(a_hi, NewSqrt2); |
| _mm_store_si128((__m128i *)b, b_lo); |
| _mm_store_si128((__m128i *)(b + 4), b_hi); |
| } |
| |
| static INLINE void load_buffer_16bit_to_16bit_w4(const int16_t *const in, |
| const int stride, |
| __m128i *const out, |
| const int out_size) { |
| for (int i = 0; i < out_size; ++i) { |
| out[i] = _mm_loadl_epi64((const __m128i *)(in + i * stride)); |
| } |
| } |
| |
| static INLINE void load_buffer_16bit_to_16bit_w4_flip(const int16_t *const in, |
| const int stride, |
| __m128i *const out, |
| const int out_size) { |
| for (int i = 0; i < out_size; ++i) { |
| out[out_size - i - 1] = _mm_loadl_epi64((const __m128i *)(in + i * stride)); |
| } |
| } |
| |
| static INLINE void load_buffer_16bit_to_16bit(const int16_t *in, int stride, |
| __m128i *out, int out_size) { |
| for (int i = 0; i < out_size; ++i) { |
| out[i] = load_16bit_to_16bit(in + i * stride); |
| } |
| } |
| |
| static INLINE void load_buffer_16bit_to_16bit_flip(const int16_t *in, |
| int stride, __m128i *out, |
| int out_size) { |
| for (int i = 0; i < out_size; ++i) { |
| out[out_size - i - 1] = load_16bit_to_16bit(in + i * stride); |
| } |
| } |
| |
| static INLINE void load_buffer_32bit_to_16bit(const int32_t *in, int stride, |
| __m128i *out, int out_size) { |
| for (int i = 0; i < out_size; ++i) { |
| out[i] = load_32bit_to_16bit(in + i * stride); |
| } |
| } |
| |
| static INLINE void load_buffer_32bit_to_16bit_w4(const int32_t *in, int stride, |
| __m128i *out, int out_size) { |
| for (int i = 0; i < out_size; ++i) { |
| out[i] = load_32bit_to_16bit_w4(in + i * stride); |
| } |
| } |
| |
| static INLINE void load_buffer_32bit_to_16bit_flip(const int32_t *in, |
| int stride, __m128i *out, |
| int out_size) { |
| for (int i = 0; i < out_size; ++i) { |
| out[out_size - i - 1] = load_32bit_to_16bit(in + i * stride); |
| } |
| } |
| |
| static INLINE void store_buffer_16bit_to_32bit_w4(const __m128i *const in, |
| int32_t *const out, |
| const int stride, |
| const int out_size) { |
| for (int i = 0; i < out_size; ++i) { |
| store_16bit_to_32bit_w4(in[i], out + i * stride); |
| } |
| } |
| |
| static INLINE void store_buffer_16bit_to_32bit_w8(const __m128i *const in, |
| int32_t *const out, |
| const int stride, |
| const int out_size) { |
| for (int i = 0; i < out_size; ++i) { |
| store_16bit_to_32bit(in[i], out + i * stride); |
| } |
| } |
| |
| static INLINE void store_rect_buffer_16bit_to_32bit_w4(const __m128i *const in, |
| int32_t *const out, |
| const int stride, |
| const int out_size) { |
| for (int i = 0; i < out_size; ++i) { |
| store_rect_16bit_to_32bit_w4(in[i], out + i * stride); |
| } |
| } |
| |
| static INLINE void store_rect_buffer_16bit_to_32bit_w8(const __m128i *const in, |
| int32_t *const out, |
| const int stride, |
| const int out_size) { |
| for (int i = 0; i < out_size; ++i) { |
| store_rect_16bit_to_32bit(in[i], out + i * stride); |
| } |
| } |
| |
| static INLINE void store_buffer_16bit_to_16bit_8x8(const __m128i *in, |
| uint16_t *out, |
| const int stride) { |
| for (int i = 0; i < 8; ++i) { |
| _mm_store_si128((__m128i *)(out + i * stride), in[i]); |
| } |
| } |
| |
| static INLINE void round_shift_16bit(__m128i *in, int size, int bit) { |
| if (bit < 0) { |
| bit = -bit; |
| __m128i rounding = _mm_set1_epi16(1 << (bit - 1)); |
| for (int i = 0; i < size; ++i) { |
| in[i] = _mm_adds_epi16(in[i], rounding); |
| in[i] = _mm_srai_epi16(in[i], bit); |
| } |
| } else if (bit > 0) { |
| for (int i = 0; i < size; ++i) { |
| in[i] = _mm_slli_epi16(in[i], bit); |
| } |
| } |
| } |
| |
| static INLINE void flip_buf_sse2(__m128i *in, __m128i *out, int size) { |
| for (int i = 0; i < size; ++i) { |
| out[size - i - 1] = in[i]; |
| } |
| } |
| |
| void av1_lowbd_fwd_txfm2d_4x4_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_4x8_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_4x16_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_8x4_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_8x8_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_8x16_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_8x32_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_16x4_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_16x8_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_16x16_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_16x32_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_32x8_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_32x16_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_32x32_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_16x64_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| void av1_lowbd_fwd_txfm2d_64x16_sse2(const int16_t *input, int32_t *output, |
| int stride, TX_TYPE tx_type, int bd); |
| |
| typedef void (*transform_1d_sse2)(const __m128i *input, __m128i *output, |
| int8_t cos_bit); |
| |
| typedef struct { |
| transform_1d_sse2 col, row; // vertical and horizontal |
| } transform_2d_sse2; |
| |
| #ifdef __cplusplus |
| } |
| #endif // __cplusplus |
| #endif // AOM_AV1_COMMON_X86_AV1_TXFM_SSE2_H_ |