diff options
Diffstat (limited to 'third_party/aom/av1/encoder/x86/av1_fwd_txfm2d_sse4.c')
-rw-r--r-- | third_party/aom/av1/encoder/x86/av1_fwd_txfm2d_sse4.c | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/x86/av1_fwd_txfm2d_sse4.c b/third_party/aom/av1/encoder/x86/av1_fwd_txfm2d_sse4.c new file mode 100644 index 000000000..abb95f31e --- /dev/null +++ b/third_party/aom/av1/encoder/x86/av1_fwd_txfm2d_sse4.c @@ -0,0 +1,306 @@ +/* + * Copyright (c) 2016, 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. + */ + +#include "config/av1_rtcd.h" + +#include "av1/common/enums.h" +#include "av1/common/av1_txfm.h" +#include "av1/common/x86/av1_txfm_sse2.h" +#include "av1/encoder/av1_fwd_txfm1d_cfg.h" +#include "av1/encoder/x86/av1_txfm1d_sse4.h" +#include "av1/encoder/x86/av1_fwd_txfm_sse2.h" + +static INLINE void int16_array_with_stride_to_int32_array_without_stride( + const int16_t *input, int stride, int32_t *output, int txfm1d_size) { + int r, c; + for (r = 0; r < txfm1d_size; r++) { + for (c = 0; c < txfm1d_size; c++) { + output[r * txfm1d_size + c] = (int32_t)input[r * stride + c]; + } + } +} + +typedef void (*TxfmFuncSSE2)(const __m128i *input, __m128i *output, + const int8_t cos_bit, const int8_t *stage_range); + +static void fdct32_new_sse4_1(const __m128i *input, __m128i *output, + const int8_t cos_bit, const int8_t *stage_range) { + const int txfm_size = 32; + const int num_per_128 = 4; + __m128i buf0[32]; + __m128i buf1[32]; + int col_num = txfm_size / num_per_128; + int col; + (void)stage_range; + for (col = 0; col < col_num; col++) { + int j; + for (j = 0; j < 32; ++j) { + buf0[j] = input[j * col_num + col]; + } + av1_fdct32_new_sse4_1(buf0, buf1, cos_bit); + for (j = 0; j < 32; ++j) { + output[j * col_num + col] = buf1[j]; + } + } +} + +static INLINE TxfmFuncSSE2 fwd_txfm_type_to_func(TXFM_TYPE txfm_type) { + switch (txfm_type) { + case TXFM_TYPE_DCT32: return fdct32_new_sse4_1; break; + default: assert(0); + } + return NULL; +} + +static INLINE void fwd_txfm2d_sse4_1(const int16_t *input, int32_t *output, + const int stride, + const TXFM_2D_FLIP_CFG *cfg, + int32_t *txfm_buf) { + // TODO(sarahparker) This does not currently support rectangular transforms + // and will break without splitting txfm_size out into row and col size. + // Rectangular transforms use c code only, so it should be ok for now. + // It will be corrected when there are sse implementations for rectangular + // transforms. + assert(cfg->tx_size < TX_SIZES); + const int txfm_size = tx_size_wide[cfg->tx_size]; + const int8_t *shift = cfg->shift; + const int8_t *stage_range_col = cfg->stage_range_col; + const int8_t *stage_range_row = cfg->stage_range_row; + const int8_t cos_bit_col = cfg->cos_bit_col; + const int8_t cos_bit_row = cfg->cos_bit_row; + const TxfmFuncSSE2 txfm_func_col = fwd_txfm_type_to_func(cfg->txfm_type_col); + const TxfmFuncSSE2 txfm_func_row = fwd_txfm_type_to_func(cfg->txfm_type_row); + + __m128i *buf_128 = (__m128i *)txfm_buf; + __m128i *out_128 = (__m128i *)output; + int num_per_128 = 4; + int txfm2d_size_128 = txfm_size * txfm_size / num_per_128; + + int16_array_with_stride_to_int32_array_without_stride(input, stride, txfm_buf, + txfm_size); + av1_round_shift_array_32_sse4_1(buf_128, out_128, txfm2d_size_128, -shift[0]); + txfm_func_col(out_128, buf_128, cos_bit_col, stage_range_col); + av1_round_shift_array_32_sse4_1(buf_128, out_128, txfm2d_size_128, -shift[1]); + transpose_32(txfm_size, out_128, buf_128); + txfm_func_row(buf_128, out_128, cos_bit_row, stage_range_row); + av1_round_shift_array_32_sse4_1(out_128, buf_128, txfm2d_size_128, -shift[2]); + transpose_32(txfm_size, buf_128, out_128); +} + +void av1_fwd_txfm2d_32x32_sse4_1(const int16_t *input, int32_t *output, + int stride, TX_TYPE tx_type, int bd) { + DECLARE_ALIGNED(16, int32_t, txfm_buf[1024]); + TXFM_2D_FLIP_CFG cfg; + av1_get_fwd_txfm_cfg(tx_type, TX_32X32, &cfg); + (void)bd; + fwd_txfm2d_sse4_1(input, output, stride, &cfg, txfm_buf); +} + +static INLINE void transpose_32_4x4x2(int stride, const __m128i *inputA, + const __m128i *inputB, __m128i *output) { + __m128i temp0 = _mm_unpacklo_epi32(inputA[0], inputA[2]); + __m128i temp1 = _mm_unpackhi_epi32(inputA[0], inputA[2]); + __m128i temp2 = _mm_unpacklo_epi32(inputA[1], inputA[3]); + __m128i temp3 = _mm_unpackhi_epi32(inputA[1], inputA[3]); + + output[0 * stride] = _mm_unpacklo_epi32(temp0, temp2); + output[1 * stride] = _mm_unpackhi_epi32(temp0, temp2); + output[2 * stride] = _mm_unpacklo_epi32(temp1, temp3); + output[3 * stride] = _mm_unpackhi_epi32(temp1, temp3); + + temp0 = _mm_unpacklo_epi32(inputB[0], inputB[2]); + temp1 = _mm_unpackhi_epi32(inputB[0], inputB[2]); + temp2 = _mm_unpacklo_epi32(inputB[1], inputB[3]); + temp3 = _mm_unpackhi_epi32(inputB[1], inputB[3]); + + output[4 * stride] = _mm_unpacklo_epi32(temp0, temp2); + output[5 * stride] = _mm_unpackhi_epi32(temp0, temp2); + output[6 * stride] = _mm_unpacklo_epi32(temp1, temp3); + output[7 * stride] = _mm_unpackhi_epi32(temp1, temp3); +} + +static void lowbd_fwd_txfm2d_64x64_sse4_1(const int16_t *input, int32_t *output, + int stride, TX_TYPE tx_type, int bd) { + (void)bd; + (void)tx_type; + assert(tx_type == DCT_DCT); + const TX_SIZE tx_size = TX_64X64; + __m128i buf0[64], buf1[512]; + const int8_t *shift = fwd_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = fwd_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = fwd_cos_bit_row[txw_idx][txh_idx]; + const int width = tx_size_wide[tx_size]; + const int height = tx_size_high[tx_size]; + const transform_1d_sse2 col_txfm = fdct8x64_new_sse2; + const int width_div8 = (width >> 3); + const int height_div8 = (height >> 3); + + for (int i = 0; i < width_div8; i++) { + load_buffer_16bit_to_16bit(input + 8 * i, stride, buf0, height); + round_shift_16bit(buf0, height, shift[0]); + col_txfm(buf0, buf0, cos_bit_col); + round_shift_16bit(buf0, height, shift[1]); + for (int j = 0; j < AOMMIN(4, height_div8); ++j) { + transpose_16bit_8x8(buf0 + j * 8, buf1 + j * width + 8 * i); + } + } + for (int i = 0; i < AOMMIN(4, height_div8); i++) { + __m128i bufA[64]; + __m128i bufB[64]; + __m128i *buf = buf1 + width * i; + for (int j = 0; j < width; ++j) { + bufA[j] = _mm_cvtepi16_epi32(buf[j]); + bufB[j] = _mm_cvtepi16_epi32(_mm_unpackhi_epi64(buf[j], buf[j])); + } + av1_fdct64_new_sse4_1(bufA, bufA, cos_bit_row); + av1_fdct64_new_sse4_1(bufB, bufB, cos_bit_row); + av1_round_shift_array_32_sse4_1(bufA, bufA, 32, -shift[2]); + av1_round_shift_array_32_sse4_1(bufB, bufB, 32, -shift[2]); + + int32_t *output8 = output + 8 * 32 * i; + for (int j = 0; j < width_div8; ++j) { + __m128i *out = (__m128i *)(output8 + 4 * j); + transpose_32_4x4x2(8, bufA + 4 * j, bufB + 4 * j, out); + } + } +} + +static void lowbd_fwd_txfm2d_64x32_sse4_1(const int16_t *input, int32_t *output, + int stride, TX_TYPE tx_type, int bd) { + (void)bd; + const TX_SIZE tx_size = TX_64X32; + __m128i buf0[64], buf1[256]; + const int8_t *shift = fwd_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = fwd_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = fwd_cos_bit_row[txw_idx][txh_idx]; + const int width = tx_size_wide[tx_size]; + const int height = tx_size_high[tx_size]; + const transform_1d_sse2 col_txfm = col_txfm8x32_arr[tx_type]; + const int width_div8 = (width >> 3); + const int height_div8 = (height >> 3); + + for (int i = 0; i < width_div8; i++) { + load_buffer_16bit_to_16bit(input + 8 * i, stride, buf0, height); + round_shift_16bit(buf0, height, shift[0]); + col_txfm(buf0, buf0, cos_bit_col); + round_shift_16bit(buf0, height, shift[1]); + for (int j = 0; j < AOMMIN(4, height_div8); ++j) { + transpose_16bit_8x8(buf0 + j * 8, buf1 + j * width + 8 * i); + } + } + assert(tx_type == DCT_DCT); + for (int i = 0; i < AOMMIN(4, height_div8); i++) { + __m128i bufA[64]; + __m128i bufB[64]; + __m128i *buf = buf1 + width * i; + for (int j = 0; j < width; ++j) { + bufA[j] = _mm_cvtepi16_epi32(buf[j]); + bufB[j] = _mm_cvtepi16_epi32(_mm_unpackhi_epi64(buf[j], buf[j])); + } + av1_fdct64_new_sse4_1(bufA, bufA, cos_bit_row); + av1_fdct64_new_sse4_1(bufB, bufB, cos_bit_row); + av1_round_shift_rect_array_32_sse4_1(bufA, bufA, 32, -shift[2]); + av1_round_shift_rect_array_32_sse4_1(bufB, bufB, 32, -shift[2]); + + int32_t *output8 = output + 8 * 32 * i; + for (int j = 0; j < width_div8; ++j) { + __m128i *out = (__m128i *)(output8 + 4 * j); + transpose_32_4x4x2(8, bufA + 4 * j, bufB + 4 * j, out); + } + } +} + +static void lowbd_fwd_txfm2d_32x64_sse4_1(const int16_t *input, int32_t *output, + int stride, TX_TYPE tx_type, int bd) { + (void)bd; + (void)tx_type; + assert(tx_type == DCT_DCT); + const TX_SIZE tx_size = TX_32X64; + __m128i buf0[64], buf1[256]; + const int8_t *shift = fwd_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = fwd_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = fwd_cos_bit_row[txw_idx][txh_idx]; + const int width = tx_size_wide[tx_size]; + const int height = tx_size_high[tx_size]; + const transform_1d_sse2 col_txfm = fdct8x64_new_sse2; + const int width_div8 = (width >> 3); + const int height_div8 = (height >> 3); + + for (int i = 0; i < width_div8; i++) { + load_buffer_16bit_to_16bit(input + 8 * i, stride, buf0, height); + round_shift_16bit(buf0, height, shift[0]); + col_txfm(buf0, buf0, cos_bit_col); + round_shift_16bit(buf0, height, shift[1]); + for (int j = 0; j < AOMMIN(4, height_div8); ++j) { + transpose_16bit_8x8(buf0 + j * 8, buf1 + j * width + 8 * i); + } + } + + for (int i = 0; i < AOMMIN(4, height_div8); i++) { + __m128i bufA[32]; + __m128i bufB[32]; + __m128i *buf = buf1 + width * i; + for (int j = 0; j < width; ++j) { + bufA[j] = _mm_cvtepi16_epi32(buf[j]); + bufB[j] = _mm_cvtepi16_epi32(_mm_unpackhi_epi64(buf[j], buf[j])); + } + av1_fdct32_new_sse4_1(bufA, bufA, cos_bit_row); + av1_fdct32_new_sse4_1(bufB, bufB, cos_bit_row); + av1_round_shift_rect_array_32_sse4_1(bufA, bufA, 32, -shift[2]); + av1_round_shift_rect_array_32_sse4_1(bufB, bufB, 32, -shift[2]); + + int32_t *output8 = output + 8 * 32 * i; + for (int j = 0; j < (32 / 4); ++j) { + __m128i *out = (__m128i *)(output8 + 4 * j); + transpose_32_4x4x2(8, bufA + 4 * j, bufB + 4 * j, out); + } + } +} + +static FwdTxfm2dFunc fwd_txfm2d_func_ls[TX_SIZES_ALL] = { + av1_lowbd_fwd_txfm2d_4x4_sse2, // 4x4 transform + av1_lowbd_fwd_txfm2d_8x8_sse2, // 8x8 transform + av1_lowbd_fwd_txfm2d_16x16_sse2, // 16x16 transform + av1_lowbd_fwd_txfm2d_32x32_sse2, // 32x32 transform + lowbd_fwd_txfm2d_64x64_sse4_1, // 64x64 transform + av1_lowbd_fwd_txfm2d_4x8_sse2, // 4x8 transform + av1_lowbd_fwd_txfm2d_8x4_sse2, // 8x4 transform + av1_lowbd_fwd_txfm2d_8x16_sse2, // 8x16 transform + av1_lowbd_fwd_txfm2d_16x8_sse2, // 16x8 transform + av1_lowbd_fwd_txfm2d_16x32_sse2, // 16x32 transform + av1_lowbd_fwd_txfm2d_32x16_sse2, // 32x16 transform + lowbd_fwd_txfm2d_32x64_sse4_1, // 32x64 transform + lowbd_fwd_txfm2d_64x32_sse4_1, // 64x32 transform + av1_lowbd_fwd_txfm2d_4x16_sse2, // 4x16 transform + av1_lowbd_fwd_txfm2d_16x4_sse2, // 16x4 transform + av1_lowbd_fwd_txfm2d_8x32_sse2, // 8x32 transform + av1_lowbd_fwd_txfm2d_32x8_sse2, // 32x8 transform + av1_lowbd_fwd_txfm2d_16x64_sse2, // 16x64 transform + av1_lowbd_fwd_txfm2d_64x16_sse2, // 64x16 transform +}; + +void av1_lowbd_fwd_txfm_sse4_1(const int16_t *src_diff, tran_low_t *coeff, + int diff_stride, TxfmParam *txfm_param) { + FwdTxfm2dFunc fwd_txfm2d_func = fwd_txfm2d_func_ls[txfm_param->tx_size]; + if ((fwd_txfm2d_func == NULL) || + (txfm_param->lossless && txfm_param->tx_size == TX_4X4)) { + av1_lowbd_fwd_txfm_c(src_diff, coeff, diff_stride, txfm_param); + } else { + fwd_txfm2d_func(src_diff, coeff, diff_stride, txfm_param->tx_type, + txfm_param->bd); + } +} |