chromium/third_party/libaom/source/libaom/av1/common/x86/resize_sse2.c

/*
 * Copyright (c) 2024, 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/av1_rtcd.h"

#include "av1/common/resize.h"

#include "aom_dsp/x86/synonyms.h"

#define ROW_OFFSET …

#define PROCESS_RESIZE_Y_WD8 …

static inline void prepare_filter_coeffs(const int16_t *filter,
                                         __m128i *const coeffs /* [2] */) { … }

bool av1_resize_vert_dir_sse2(uint8_t *intbuf, uint8_t *output, int out_stride,
                              int height, int height2, int stride,
                              int start_col) { … }

// Blends a and b using mask and returns the result.
static inline __m128i blend(__m128i a, __m128i b, __m128i mask) { … }

// Masks used for width 16 pixels, with left and right padding
// requirements.
static const uint8_t left_padding_mask[16] = …;

static const uint8_t right_padding_mask[16] = …;

static const uint8_t mask_16[16] = …;

void av1_resize_horz_dir_sse2(const uint8_t *const input, int in_stride,
                              uint8_t *intbuf, int height, int filtered_length,
                              int width2) { … }