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author | trav90 <travawine@palemoon.org> | 2018-10-15 21:45:30 -0500 |
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committer | trav90 <travawine@palemoon.org> | 2018-10-15 21:45:30 -0500 |
commit | 68569dee1416593955c1570d638b3d9250b33012 (patch) | |
tree | d960f017cd7eba3f125b7e8a813789ee2e076310 /third_party/aom/aom_dsp/x86/highbd_variance_sse4.c | |
parent | 07c17b6b98ed32fcecff15c083ab0fd878de3cf0 (diff) | |
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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code.
The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
Diffstat (limited to 'third_party/aom/aom_dsp/x86/highbd_variance_sse4.c')
-rw-r--r-- | third_party/aom/aom_dsp/x86/highbd_variance_sse4.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/highbd_variance_sse4.c b/third_party/aom/aom_dsp/x86/highbd_variance_sse4.c new file mode 100644 index 000000000..cc7f52811 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/highbd_variance_sse4.c @@ -0,0 +1,216 @@ +/* + * 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 <smmintrin.h> /* SSE4.1 */ + +#include "./aom_config.h" +#include "./aom_dsp_rtcd.h" + +#include "aom_dsp/variance.h" +#include "aom_dsp/aom_filter.h" + +static INLINE void variance4x4_64_sse4_1(const uint8_t *a8, int a_stride, + const uint8_t *b8, int b_stride, + uint64_t *sse, int64_t *sum) { + __m128i u0, u1, u2, u3; + __m128i s0, s1, s2, s3; + __m128i t0, t1, x0, y0; + __m128i a0, a1, a2, a3; + __m128i b0, b1, b2, b3; + __m128i k_one_epi16 = _mm_set1_epi16((int16_t)1); + + uint16_t *a = CONVERT_TO_SHORTPTR(a8); + uint16_t *b = CONVERT_TO_SHORTPTR(b8); + + a0 = _mm_loadl_epi64((__m128i const *)(a + 0 * a_stride)); + a1 = _mm_loadl_epi64((__m128i const *)(a + 1 * a_stride)); + a2 = _mm_loadl_epi64((__m128i const *)(a + 2 * a_stride)); + a3 = _mm_loadl_epi64((__m128i const *)(a + 3 * a_stride)); + + b0 = _mm_loadl_epi64((__m128i const *)(b + 0 * b_stride)); + b1 = _mm_loadl_epi64((__m128i const *)(b + 1 * b_stride)); + b2 = _mm_loadl_epi64((__m128i const *)(b + 2 * b_stride)); + b3 = _mm_loadl_epi64((__m128i const *)(b + 3 * b_stride)); + + u0 = _mm_unpacklo_epi16(a0, a1); + u1 = _mm_unpacklo_epi16(a2, a3); + u2 = _mm_unpacklo_epi16(b0, b1); + u3 = _mm_unpacklo_epi16(b2, b3); + + s0 = _mm_sub_epi16(u0, u2); + s1 = _mm_sub_epi16(u1, u3); + + t0 = _mm_madd_epi16(s0, k_one_epi16); + t1 = _mm_madd_epi16(s1, k_one_epi16); + + s2 = _mm_hadd_epi32(t0, t1); + s3 = _mm_hadd_epi32(s2, s2); + y0 = _mm_hadd_epi32(s3, s3); + + t0 = _mm_madd_epi16(s0, s0); + t1 = _mm_madd_epi16(s1, s1); + + s2 = _mm_hadd_epi32(t0, t1); + s3 = _mm_hadd_epi32(s2, s2); + x0 = _mm_hadd_epi32(s3, s3); + + *sse = (uint64_t)_mm_extract_epi32(x0, 0); + *sum = (int64_t)_mm_extract_epi32(y0, 0); +} + +uint32_t aom_highbd_8_variance4x4_sse4_1(const uint8_t *a, int a_stride, + const uint8_t *b, int b_stride, + uint32_t *sse) { + int64_t sum, diff; + uint64_t local_sse; + + variance4x4_64_sse4_1(a, a_stride, b, b_stride, &local_sse, &sum); + *sse = (uint32_t)local_sse; + + diff = (int64_t)*sse - ((sum * sum) >> 4); + return (diff >= 0) ? (uint32_t)diff : 0; +} + +uint32_t aom_highbd_10_variance4x4_sse4_1(const uint8_t *a, int a_stride, + const uint8_t *b, int b_stride, + uint32_t *sse) { + int64_t sum, diff; + uint64_t local_sse; + + variance4x4_64_sse4_1(a, a_stride, b, b_stride, &local_sse, &sum); + *sse = (uint32_t)ROUND_POWER_OF_TWO(local_sse, 4); + sum = ROUND_POWER_OF_TWO(sum, 2); + + diff = (int64_t)*sse - ((sum * sum) >> 4); + return (diff >= 0) ? (uint32_t)diff : 0; +} + +uint32_t aom_highbd_12_variance4x4_sse4_1(const uint8_t *a, int a_stride, + const uint8_t *b, int b_stride, + uint32_t *sse) { + int64_t sum, diff; + uint64_t local_sse; + + variance4x4_64_sse4_1(a, a_stride, b, b_stride, &local_sse, &sum); + *sse = (uint32_t)ROUND_POWER_OF_TWO(local_sse, 8); + sum = ROUND_POWER_OF_TWO(sum, 4); + + diff = (int64_t)*sse - ((sum * sum) >> 4); + return diff >= 0 ? (uint32_t)diff : 0; +} + +// Sub-pixel +uint32_t aom_highbd_8_sub_pixel_variance4x4_sse4_1( + const uint8_t *src, int src_stride, int xoffset, int yoffset, + const uint8_t *dst, int dst_stride, uint32_t *sse) { + uint16_t fdata3[(4 + 1) * 4]; + uint16_t temp2[4 * 4]; + + aom_highbd_var_filter_block2d_bil_first_pass( + src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]); + aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4, + bilinear_filters_2t[yoffset]); + + return aom_highbd_8_variance4x4(CONVERT_TO_BYTEPTR(temp2), 4, dst, dst_stride, + sse); +} + +uint32_t aom_highbd_10_sub_pixel_variance4x4_sse4_1( + const uint8_t *src, int src_stride, int xoffset, int yoffset, + const uint8_t *dst, int dst_stride, uint32_t *sse) { + uint16_t fdata3[(4 + 1) * 4]; + uint16_t temp2[4 * 4]; + + aom_highbd_var_filter_block2d_bil_first_pass( + src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]); + aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4, + bilinear_filters_2t[yoffset]); + + return aom_highbd_10_variance4x4(CONVERT_TO_BYTEPTR(temp2), 4, dst, + dst_stride, sse); +} + +uint32_t aom_highbd_12_sub_pixel_variance4x4_sse4_1( + const uint8_t *src, int src_stride, int xoffset, int yoffset, + const uint8_t *dst, int dst_stride, uint32_t *sse) { + uint16_t fdata3[(4 + 1) * 4]; + uint16_t temp2[4 * 4]; + + aom_highbd_var_filter_block2d_bil_first_pass( + src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]); + aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4, + bilinear_filters_2t[yoffset]); + + return aom_highbd_12_variance4x4(CONVERT_TO_BYTEPTR(temp2), 4, dst, + dst_stride, sse); +} + +// Sub-pixel average + +uint32_t aom_highbd_8_sub_pixel_avg_variance4x4_sse4_1( + const uint8_t *src, int src_stride, int xoffset, int yoffset, + const uint8_t *dst, int dst_stride, uint32_t *sse, + const uint8_t *second_pred) { + uint16_t fdata3[(4 + 1) * 4]; + uint16_t temp2[4 * 4]; + DECLARE_ALIGNED(16, uint16_t, temp3[4 * 4]); + + aom_highbd_var_filter_block2d_bil_first_pass( + src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]); + aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4, + bilinear_filters_2t[yoffset]); + + aom_highbd_comp_avg_pred(temp3, second_pred, 4, 4, CONVERT_TO_BYTEPTR(temp2), + 4); + + return aom_highbd_8_variance4x4(CONVERT_TO_BYTEPTR(temp3), 4, dst, dst_stride, + sse); +} + +uint32_t aom_highbd_10_sub_pixel_avg_variance4x4_sse4_1( + const uint8_t *src, int src_stride, int xoffset, int yoffset, + const uint8_t *dst, int dst_stride, uint32_t *sse, + const uint8_t *second_pred) { + uint16_t fdata3[(4 + 1) * 4]; + uint16_t temp2[4 * 4]; + DECLARE_ALIGNED(16, uint16_t, temp3[4 * 4]); + + aom_highbd_var_filter_block2d_bil_first_pass( + src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]); + aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4, + bilinear_filters_2t[yoffset]); + + aom_highbd_comp_avg_pred(temp3, second_pred, 4, 4, CONVERT_TO_BYTEPTR(temp2), + 4); + + return aom_highbd_10_variance4x4(CONVERT_TO_BYTEPTR(temp3), 4, dst, + dst_stride, sse); +} + +uint32_t aom_highbd_12_sub_pixel_avg_variance4x4_sse4_1( + const uint8_t *src, int src_stride, int xoffset, int yoffset, + const uint8_t *dst, int dst_stride, uint32_t *sse, + const uint8_t *second_pred) { + uint16_t fdata3[(4 + 1) * 4]; + uint16_t temp2[4 * 4]; + DECLARE_ALIGNED(16, uint16_t, temp3[4 * 4]); + + aom_highbd_var_filter_block2d_bil_first_pass( + src, fdata3, src_stride, 1, 4 + 1, 4, bilinear_filters_2t[xoffset]); + aom_highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 4, 4, + bilinear_filters_2t[yoffset]); + + aom_highbd_comp_avg_pred(temp3, second_pred, 4, 4, CONVERT_TO_BYTEPTR(temp2), + 4); + + return aom_highbd_12_variance4x4(CONVERT_TO_BYTEPTR(temp3), 4, dst, + dst_stride, sse); +} |