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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/aom_dsp/x86/fft_avx2.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/fft_avx2.c b/third_party/aom/aom_dsp/x86/fft_avx2.c new file mode 100644 index 0000000000..3f5a9bbeff --- /dev/null +++ b/third_party/aom/aom_dsp/x86/fft_avx2.c @@ -0,0 +1,74 @@ +/* + * 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. + */ + +#include <immintrin.h> + +#include "config/aom_dsp_rtcd.h" +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/fft_common.h" + +extern void aom_transpose_float_sse2(const float *A, float *B, int n); +extern void aom_fft_unpack_2d_output_sse2(const float *col_fft, float *output, + int n); + +// Generate the 1d forward transforms for float using _mm256 +GEN_FFT_8(static INLINE void, avx2, float, __m256, _mm256_load_ps, + _mm256_store_ps, _mm256_set1_ps, _mm256_add_ps, _mm256_sub_ps, + _mm256_mul_ps) +GEN_FFT_16(static INLINE void, avx2, float, __m256, _mm256_load_ps, + _mm256_store_ps, _mm256_set1_ps, _mm256_add_ps, _mm256_sub_ps, + _mm256_mul_ps) +GEN_FFT_32(static INLINE void, avx2, float, __m256, _mm256_load_ps, + _mm256_store_ps, _mm256_set1_ps, _mm256_add_ps, _mm256_sub_ps, + _mm256_mul_ps) + +void aom_fft8x8_float_avx2(const float *input, float *temp, float *output) { + aom_fft_2d_gen(input, temp, output, 8, aom_fft1d_8_avx2, + aom_transpose_float_sse2, aom_fft_unpack_2d_output_sse2, 8); +} + +void aom_fft16x16_float_avx2(const float *input, float *temp, float *output) { + aom_fft_2d_gen(input, temp, output, 16, aom_fft1d_16_avx2, + aom_transpose_float_sse2, aom_fft_unpack_2d_output_sse2, 8); +} + +void aom_fft32x32_float_avx2(const float *input, float *temp, float *output) { + aom_fft_2d_gen(input, temp, output, 32, aom_fft1d_32_avx2, + aom_transpose_float_sse2, aom_fft_unpack_2d_output_sse2, 8); +} + +// Generate the 1d inverse transforms for float using _mm256 +GEN_IFFT_8(static INLINE void, avx2, float, __m256, _mm256_load_ps, + _mm256_store_ps, _mm256_set1_ps, _mm256_add_ps, _mm256_sub_ps, + _mm256_mul_ps) +GEN_IFFT_16(static INLINE void, avx2, float, __m256, _mm256_load_ps, + _mm256_store_ps, _mm256_set1_ps, _mm256_add_ps, _mm256_sub_ps, + _mm256_mul_ps) +GEN_IFFT_32(static INLINE void, avx2, float, __m256, _mm256_load_ps, + _mm256_store_ps, _mm256_set1_ps, _mm256_add_ps, _mm256_sub_ps, + _mm256_mul_ps) + +void aom_ifft8x8_float_avx2(const float *input, float *temp, float *output) { + aom_ifft_2d_gen(input, temp, output, 8, aom_fft1d_8_float, aom_fft1d_8_avx2, + aom_ifft1d_8_avx2, aom_transpose_float_sse2, 8); +} + +void aom_ifft16x16_float_avx2(const float *input, float *temp, float *output) { + aom_ifft_2d_gen(input, temp, output, 16, aom_fft1d_16_float, + aom_fft1d_16_avx2, aom_ifft1d_16_avx2, + aom_transpose_float_sse2, 8); +} + +void aom_ifft32x32_float_avx2(const float *input, float *temp, float *output) { + aom_ifft_2d_gen(input, temp, output, 32, aom_fft1d_32_float, + aom_fft1d_32_avx2, aom_ifft1d_32_avx2, + aom_transpose_float_sse2, 8); +} |