diff options
Diffstat (limited to '')
-rw-r--r-- | third_party/aom/aom_dsp/x86/masked_sad_intrin_ssse3.c | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/masked_sad_intrin_ssse3.c b/third_party/aom/aom_dsp/x86/masked_sad_intrin_ssse3.c new file mode 100644 index 0000000000..df3a8764e3 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/masked_sad_intrin_ssse3.c @@ -0,0 +1,400 @@ +/* + * Copyright (c) 2017, 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 <stdio.h> +#include <tmmintrin.h> + +#include "config/aom_config.h" +#include "config/aom_dsp_rtcd.h" + +#include "aom_dsp/blend.h" +#include "aom/aom_integer.h" +#include "aom_dsp/x86/synonyms.h" + +#include "aom_dsp/x86/masked_sad_intrin_ssse3.h" + +// For width a multiple of 16 +static INLINE unsigned int masked_sad_ssse3(const uint8_t *src_ptr, + int src_stride, + const uint8_t *a_ptr, int a_stride, + const uint8_t *b_ptr, int b_stride, + const uint8_t *m_ptr, int m_stride, + int width, int height); + +#define MASKSADMXN_SSSE3(m, n) \ + unsigned int aom_masked_sad##m##x##n##_ssse3( \ + const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \ + const uint8_t *second_pred, const uint8_t *msk, int msk_stride, \ + int invert_mask) { \ + if (!invert_mask) \ + return masked_sad_ssse3(src, src_stride, ref, ref_stride, second_pred, \ + m, msk, msk_stride, m, n); \ + else \ + return masked_sad_ssse3(src, src_stride, second_pred, m, ref, \ + ref_stride, msk, msk_stride, m, n); \ + } + +#define MASKSAD8XN_SSSE3(n) \ + unsigned int aom_masked_sad8x##n##_ssse3( \ + const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \ + const uint8_t *second_pred, const uint8_t *msk, int msk_stride, \ + int invert_mask) { \ + if (!invert_mask) \ + return aom_masked_sad8xh_ssse3(src, src_stride, ref, ref_stride, \ + second_pred, 8, msk, msk_stride, n); \ + else \ + return aom_masked_sad8xh_ssse3(src, src_stride, second_pred, 8, ref, \ + ref_stride, msk, msk_stride, n); \ + } + +#define MASKSAD4XN_SSSE3(n) \ + unsigned int aom_masked_sad4x##n##_ssse3( \ + const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \ + const uint8_t *second_pred, const uint8_t *msk, int msk_stride, \ + int invert_mask) { \ + if (!invert_mask) \ + return aom_masked_sad4xh_ssse3(src, src_stride, ref, ref_stride, \ + second_pred, 4, msk, msk_stride, n); \ + else \ + return aom_masked_sad4xh_ssse3(src, src_stride, second_pred, 4, ref, \ + ref_stride, msk, msk_stride, n); \ + } + +MASKSADMXN_SSSE3(128, 128) +MASKSADMXN_SSSE3(128, 64) +MASKSADMXN_SSSE3(64, 128) +MASKSADMXN_SSSE3(64, 64) +MASKSADMXN_SSSE3(64, 32) +MASKSADMXN_SSSE3(32, 64) +MASKSADMXN_SSSE3(32, 32) +MASKSADMXN_SSSE3(32, 16) +MASKSADMXN_SSSE3(16, 32) +MASKSADMXN_SSSE3(16, 16) +MASKSADMXN_SSSE3(16, 8) +MASKSAD8XN_SSSE3(16) +MASKSAD8XN_SSSE3(8) +MASKSAD8XN_SSSE3(4) +MASKSAD4XN_SSSE3(8) +MASKSAD4XN_SSSE3(4) +MASKSAD4XN_SSSE3(16) +MASKSADMXN_SSSE3(16, 4) +MASKSAD8XN_SSSE3(32) +MASKSADMXN_SSSE3(32, 8) +MASKSADMXN_SSSE3(16, 64) +MASKSADMXN_SSSE3(64, 16) + +static INLINE unsigned int masked_sad_ssse3(const uint8_t *src_ptr, + int src_stride, + const uint8_t *a_ptr, int a_stride, + const uint8_t *b_ptr, int b_stride, + const uint8_t *m_ptr, int m_stride, + int width, int height) { + int x, y; + __m128i res = _mm_setzero_si128(); + const __m128i mask_max = _mm_set1_epi8((1 << AOM_BLEND_A64_ROUND_BITS)); + + for (y = 0; y < height; y++) { + for (x = 0; x < width; x += 16) { + const __m128i src = _mm_loadu_si128((const __m128i *)&src_ptr[x]); + const __m128i a = _mm_loadu_si128((const __m128i *)&a_ptr[x]); + const __m128i b = _mm_loadu_si128((const __m128i *)&b_ptr[x]); + const __m128i m = _mm_loadu_si128((const __m128i *)&m_ptr[x]); + const __m128i m_inv = _mm_sub_epi8(mask_max, m); + + // Calculate 16 predicted pixels. + // Note that the maximum value of any entry of 'pred_l' or 'pred_r' + // is 64 * 255, so we have plenty of space to add rounding constants. + const __m128i data_l = _mm_unpacklo_epi8(a, b); + const __m128i mask_l = _mm_unpacklo_epi8(m, m_inv); + __m128i pred_l = _mm_maddubs_epi16(data_l, mask_l); + pred_l = xx_roundn_epu16(pred_l, AOM_BLEND_A64_ROUND_BITS); + + const __m128i data_r = _mm_unpackhi_epi8(a, b); + const __m128i mask_r = _mm_unpackhi_epi8(m, m_inv); + __m128i pred_r = _mm_maddubs_epi16(data_r, mask_r); + pred_r = xx_roundn_epu16(pred_r, AOM_BLEND_A64_ROUND_BITS); + + const __m128i pred = _mm_packus_epi16(pred_l, pred_r); + res = _mm_add_epi32(res, _mm_sad_epu8(pred, src)); + } + + src_ptr += src_stride; + a_ptr += a_stride; + b_ptr += b_stride; + m_ptr += m_stride; + } + // At this point, we have two 32-bit partial SADs in lanes 0 and 2 of 'res'. + unsigned int sad = (unsigned int)(_mm_cvtsi128_si32(res) + + _mm_cvtsi128_si32(_mm_srli_si128(res, 8))); + return sad; +} + +unsigned int aom_masked_sad8xh_ssse3(const uint8_t *src_ptr, int src_stride, + const uint8_t *a_ptr, int a_stride, + const uint8_t *b_ptr, int b_stride, + const uint8_t *m_ptr, int m_stride, + int height) { + int y; + __m128i res = _mm_setzero_si128(); + const __m128i mask_max = _mm_set1_epi8((1 << AOM_BLEND_A64_ROUND_BITS)); + + for (y = 0; y < height; y += 2) { + const __m128i src = _mm_unpacklo_epi64( + _mm_loadl_epi64((const __m128i *)src_ptr), + _mm_loadl_epi64((const __m128i *)&src_ptr[src_stride])); + const __m128i a0 = _mm_loadl_epi64((const __m128i *)a_ptr); + const __m128i a1 = _mm_loadl_epi64((const __m128i *)&a_ptr[a_stride]); + const __m128i b0 = _mm_loadl_epi64((const __m128i *)b_ptr); + const __m128i b1 = _mm_loadl_epi64((const __m128i *)&b_ptr[b_stride]); + const __m128i m = + _mm_unpacklo_epi64(_mm_loadl_epi64((const __m128i *)m_ptr), + _mm_loadl_epi64((const __m128i *)&m_ptr[m_stride])); + const __m128i m_inv = _mm_sub_epi8(mask_max, m); + + const __m128i data_l = _mm_unpacklo_epi8(a0, b0); + const __m128i mask_l = _mm_unpacklo_epi8(m, m_inv); + __m128i pred_l = _mm_maddubs_epi16(data_l, mask_l); + pred_l = xx_roundn_epu16(pred_l, AOM_BLEND_A64_ROUND_BITS); + + const __m128i data_r = _mm_unpacklo_epi8(a1, b1); + const __m128i mask_r = _mm_unpackhi_epi8(m, m_inv); + __m128i pred_r = _mm_maddubs_epi16(data_r, mask_r); + pred_r = xx_roundn_epu16(pred_r, AOM_BLEND_A64_ROUND_BITS); + + const __m128i pred = _mm_packus_epi16(pred_l, pred_r); + res = _mm_add_epi32(res, _mm_sad_epu8(pred, src)); + + src_ptr += src_stride * 2; + a_ptr += a_stride * 2; + b_ptr += b_stride * 2; + m_ptr += m_stride * 2; + } + unsigned int sad = (unsigned int)(_mm_cvtsi128_si32(res) + + _mm_cvtsi128_si32(_mm_srli_si128(res, 8))); + return sad; +} + +unsigned int aom_masked_sad4xh_ssse3(const uint8_t *src_ptr, int src_stride, + const uint8_t *a_ptr, int a_stride, + const uint8_t *b_ptr, int b_stride, + const uint8_t *m_ptr, int m_stride, + int height) { + int y; + __m128i res = _mm_setzero_si128(); + const __m128i mask_max = _mm_set1_epi8((1 << AOM_BLEND_A64_ROUND_BITS)); + + for (y = 0; y < height; y += 2) { + // Load two rows at a time, this seems to be a bit faster + // than four rows at a time in this case. + const __m128i src = + _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(int *)src_ptr), + _mm_cvtsi32_si128(*(int *)&src_ptr[src_stride])); + const __m128i a = + _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(int *)a_ptr), + _mm_cvtsi32_si128(*(int *)&a_ptr[a_stride])); + const __m128i b = + _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(int *)b_ptr), + _mm_cvtsi32_si128(*(int *)&b_ptr[b_stride])); + const __m128i m = + _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(int *)m_ptr), + _mm_cvtsi32_si128(*(int *)&m_ptr[m_stride])); + const __m128i m_inv = _mm_sub_epi8(mask_max, m); + + const __m128i data = _mm_unpacklo_epi8(a, b); + const __m128i mask = _mm_unpacklo_epi8(m, m_inv); + __m128i pred_16bit = _mm_maddubs_epi16(data, mask); + pred_16bit = xx_roundn_epu16(pred_16bit, AOM_BLEND_A64_ROUND_BITS); + + const __m128i pred = _mm_packus_epi16(pred_16bit, _mm_setzero_si128()); + res = _mm_add_epi32(res, _mm_sad_epu8(pred, src)); + + src_ptr += src_stride * 2; + a_ptr += a_stride * 2; + b_ptr += b_stride * 2; + m_ptr += m_stride * 2; + } + // At this point, the SAD is stored in lane 0 of 'res' + return (unsigned int)_mm_cvtsi128_si32(res); +} + +// For width a multiple of 8 +static INLINE unsigned int highbd_masked_sad_ssse3( + const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride, + const uint8_t *b8, int b_stride, const uint8_t *m_ptr, int m_stride, + int width, int height); + +#define HIGHBD_MASKSADMXN_SSSE3(m, n) \ + unsigned int aom_highbd_masked_sad##m##x##n##_ssse3( \ + const uint8_t *src8, int src_stride, const uint8_t *ref8, \ + int ref_stride, const uint8_t *second_pred8, const uint8_t *msk, \ + int msk_stride, int invert_mask) { \ + if (!invert_mask) \ + return highbd_masked_sad_ssse3(src8, src_stride, ref8, ref_stride, \ + second_pred8, m, msk, msk_stride, m, n); \ + else \ + return highbd_masked_sad_ssse3(src8, src_stride, second_pred8, m, ref8, \ + ref_stride, msk, msk_stride, m, n); \ + } + +#define HIGHBD_MASKSAD4XN_SSSE3(n) \ + unsigned int aom_highbd_masked_sad4x##n##_ssse3( \ + const uint8_t *src8, int src_stride, const uint8_t *ref8, \ + int ref_stride, const uint8_t *second_pred8, const uint8_t *msk, \ + int msk_stride, int invert_mask) { \ + if (!invert_mask) \ + return aom_highbd_masked_sad4xh_ssse3(src8, src_stride, ref8, \ + ref_stride, second_pred8, 4, msk, \ + msk_stride, n); \ + else \ + return aom_highbd_masked_sad4xh_ssse3(src8, src_stride, second_pred8, 4, \ + ref8, ref_stride, msk, msk_stride, \ + n); \ + } + +HIGHBD_MASKSADMXN_SSSE3(128, 128) +HIGHBD_MASKSADMXN_SSSE3(128, 64) +HIGHBD_MASKSADMXN_SSSE3(64, 128) +HIGHBD_MASKSADMXN_SSSE3(64, 64) +HIGHBD_MASKSADMXN_SSSE3(64, 32) +HIGHBD_MASKSADMXN_SSSE3(32, 64) +HIGHBD_MASKSADMXN_SSSE3(32, 32) +HIGHBD_MASKSADMXN_SSSE3(32, 16) +HIGHBD_MASKSADMXN_SSSE3(16, 32) +HIGHBD_MASKSADMXN_SSSE3(16, 16) +HIGHBD_MASKSADMXN_SSSE3(16, 8) +HIGHBD_MASKSADMXN_SSSE3(8, 16) +HIGHBD_MASKSADMXN_SSSE3(8, 8) +HIGHBD_MASKSADMXN_SSSE3(8, 4) +HIGHBD_MASKSAD4XN_SSSE3(8) +HIGHBD_MASKSAD4XN_SSSE3(4) +HIGHBD_MASKSAD4XN_SSSE3(16) +HIGHBD_MASKSADMXN_SSSE3(16, 4) +HIGHBD_MASKSADMXN_SSSE3(8, 32) +HIGHBD_MASKSADMXN_SSSE3(32, 8) +HIGHBD_MASKSADMXN_SSSE3(16, 64) +HIGHBD_MASKSADMXN_SSSE3(64, 16) + +static INLINE unsigned int highbd_masked_sad_ssse3( + const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride, + const uint8_t *b8, int b_stride, const uint8_t *m_ptr, int m_stride, + int width, int height) { + const uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src8); + const uint16_t *a_ptr = CONVERT_TO_SHORTPTR(a8); + const uint16_t *b_ptr = CONVERT_TO_SHORTPTR(b8); + int x, y; + __m128i res = _mm_setzero_si128(); + const __m128i mask_max = _mm_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS)); + const __m128i round_const = + _mm_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1); + const __m128i one = _mm_set1_epi16(1); + + for (y = 0; y < height; y++) { + for (x = 0; x < width; x += 8) { + const __m128i src = _mm_loadu_si128((const __m128i *)&src_ptr[x]); + const __m128i a = _mm_loadu_si128((const __m128i *)&a_ptr[x]); + const __m128i b = _mm_loadu_si128((const __m128i *)&b_ptr[x]); + // Zero-extend mask to 16 bits + const __m128i m = _mm_unpacklo_epi8( + _mm_loadl_epi64((const __m128i *)&m_ptr[x]), _mm_setzero_si128()); + const __m128i m_inv = _mm_sub_epi16(mask_max, m); + + const __m128i data_l = _mm_unpacklo_epi16(a, b); + const __m128i mask_l = _mm_unpacklo_epi16(m, m_inv); + __m128i pred_l = _mm_madd_epi16(data_l, mask_l); + pred_l = _mm_srai_epi32(_mm_add_epi32(pred_l, round_const), + AOM_BLEND_A64_ROUND_BITS); + + const __m128i data_r = _mm_unpackhi_epi16(a, b); + const __m128i mask_r = _mm_unpackhi_epi16(m, m_inv); + __m128i pred_r = _mm_madd_epi16(data_r, mask_r); + pred_r = _mm_srai_epi32(_mm_add_epi32(pred_r, round_const), + AOM_BLEND_A64_ROUND_BITS); + + // Note: the maximum value in pred_l/r is (2^bd)-1 < 2^15, + // so it is safe to do signed saturation here. + const __m128i pred = _mm_packs_epi32(pred_l, pred_r); + // There is no 16-bit SAD instruction, so we have to synthesize + // an 8-element SAD. We do this by storing 4 32-bit partial SADs, + // and accumulating them at the end + const __m128i diff = _mm_abs_epi16(_mm_sub_epi16(pred, src)); + res = _mm_add_epi32(res, _mm_madd_epi16(diff, one)); + } + + src_ptr += src_stride; + a_ptr += a_stride; + b_ptr += b_stride; + m_ptr += m_stride; + } + // At this point, we have four 32-bit partial SADs stored in 'res'. + res = _mm_hadd_epi32(res, res); + res = _mm_hadd_epi32(res, res); + int sad = _mm_cvtsi128_si32(res); + return sad; +} + +unsigned int aom_highbd_masked_sad4xh_ssse3(const uint8_t *src8, int src_stride, + const uint8_t *a8, int a_stride, + const uint8_t *b8, int b_stride, + const uint8_t *m_ptr, int m_stride, + int height) { + const uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src8); + const uint16_t *a_ptr = CONVERT_TO_SHORTPTR(a8); + const uint16_t *b_ptr = CONVERT_TO_SHORTPTR(b8); + int y; + __m128i res = _mm_setzero_si128(); + const __m128i mask_max = _mm_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS)); + const __m128i round_const = + _mm_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1); + const __m128i one = _mm_set1_epi16(1); + + for (y = 0; y < height; y += 2) { + const __m128i src = _mm_unpacklo_epi64( + _mm_loadl_epi64((const __m128i *)src_ptr), + _mm_loadl_epi64((const __m128i *)&src_ptr[src_stride])); + const __m128i a = + _mm_unpacklo_epi64(_mm_loadl_epi64((const __m128i *)a_ptr), + _mm_loadl_epi64((const __m128i *)&a_ptr[a_stride])); + const __m128i b = + _mm_unpacklo_epi64(_mm_loadl_epi64((const __m128i *)b_ptr), + _mm_loadl_epi64((const __m128i *)&b_ptr[b_stride])); + // Zero-extend mask to 16 bits + const __m128i m = _mm_unpacklo_epi8( + _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)m_ptr), + _mm_cvtsi32_si128(*(const int *)&m_ptr[m_stride])), + _mm_setzero_si128()); + const __m128i m_inv = _mm_sub_epi16(mask_max, m); + + const __m128i data_l = _mm_unpacklo_epi16(a, b); + const __m128i mask_l = _mm_unpacklo_epi16(m, m_inv); + __m128i pred_l = _mm_madd_epi16(data_l, mask_l); + pred_l = _mm_srai_epi32(_mm_add_epi32(pred_l, round_const), + AOM_BLEND_A64_ROUND_BITS); + + const __m128i data_r = _mm_unpackhi_epi16(a, b); + const __m128i mask_r = _mm_unpackhi_epi16(m, m_inv); + __m128i pred_r = _mm_madd_epi16(data_r, mask_r); + pred_r = _mm_srai_epi32(_mm_add_epi32(pred_r, round_const), + AOM_BLEND_A64_ROUND_BITS); + + const __m128i pred = _mm_packs_epi32(pred_l, pred_r); + const __m128i diff = _mm_abs_epi16(_mm_sub_epi16(pred, src)); + res = _mm_add_epi32(res, _mm_madd_epi16(diff, one)); + + src_ptr += src_stride * 2; + a_ptr += a_stride * 2; + b_ptr += b_stride * 2; + m_ptr += m_stride * 2; + } + res = _mm_hadd_epi32(res, res); + res = _mm_hadd_epi32(res, res); + int sad = _mm_cvtsi128_si32(res); + return sad; +} |