av1/common/x86/av1_convolve_ssse3.c

/*
 * 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 <assert.h>
#include <tmmintrin.h>

#include "./aom_config.h"
#include "./av1_rtcd.h"
#include "av1/common/filter.h"

#define WIDTH_BOUND (16)
#define HEIGHT_BOUND (16)

// Note:
//  This function assumes:
// (1) 10/12-taps filters
// (2) x_step_q4 = 16 then filter is fixed at the call

void av1_convolve_horiz_ssse3(const uint8_t *src, int src_stride, uint8_t *dst,
                              int dst_stride, int w, int h,
                              const InterpFilterParams filter_params,
                              const int subpel_x_q4, int x_step_q4,
                              ConvolveParams *conv_params) {
  assert(conv_params->do_average == 0 || conv_params->do_average == 1);
  (void)x_step_q4;

  if (0 == subpel_x_q4 || 16 != x_step_q4) {
    av1_convolve_horiz_c(src, src_stride, dst, dst_stride, w, h, filter_params,
                         subpel_x_q4, x_step_q4, conv_params);
    return;
  }

  av1_convolve_horiz_c(src, src_stride, dst, dst_stride, w, h, filter_params,
                       subpel_x_q4, x_step_q4, conv_params);
}

void av1_convolve_vert_ssse3(const uint8_t *src, int src_stride, uint8_t *dst,
                             int dst_stride, int w, int h,
                             const InterpFilterParams filter_params,
                             const int subpel_y_q4, int y_step_q4,
                             ConvolveParams *conv_params) {
  assert(conv_params->do_average == 0 || conv_params->do_average == 1);

  if (0 == subpel_y_q4 || 16 != y_step_q4) {
    av1_convolve_vert_c(src, src_stride, dst, dst_stride, w, h, filter_params,
                        subpel_y_q4, y_step_q4, conv_params);
    return;
  }

  av1_convolve_vert_c(src, src_stride, dst, dst_stride, w, h, filter_params,
                      subpel_y_q4, y_step_q4, conv_params);
}

typedef struct SimdFilter {
  InterpFilter interp_filter;
  int8_t (*simd_horiz_filter)[2][16];
  int8_t (*simd_vert_filter)[6][16];
} SimdFilter;