third_party/aom/aom_dsp/x86/convolve.h


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/*
 * 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.
 */
#ifndef AOM_AOM_DSP_X86_CONVOLVE_H_
#define AOM_AOM_DSP_X86_CONVOLVE_H_

#include <assert.h>

#include "config/aom_config.h"

#include "aom/aom_integer.h"
#include "aom_ports/mem.h"

typedef void filter8_1dfunction(const uint8_t *src_ptr, ptrdiff_t src_pitch,
                                uint8_t *output_ptr, ptrdiff_t out_pitch,
                                uint32_t output_height, const int16_t *filter);

#define FUN_CONV_1D(name, step_q4, filter, dir, src_start, avg, opt)         \
  void aom_convolve8_##name##_##opt(                                         \
      const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,                \
      ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4,          \
      const int16_t *filter_y, int y_step_q4, int w, int h) {                \
    (void)filter_x;                                                          \
    (void)x_step_q4;                                                         \
    (void)filter_y;                                                          \
    (void)y_step_q4;                                                         \
    assert((-128 <= filter[3]) && (filter[3] <= 127));                       \
    assert(step_q4 == 16);                                                   \
    if (((filter[0] | filter[1] | filter[6] | filter[7]) == 0) &&            \
        (filter[2] | filter[5])) {                                           \
      while (w >= 16) {                                                      \
        aom_filter_block1d16_##dir##4_##avg##opt(src_start, src_stride, dst, \
                                                 dst_stride, h, filter);     \
        src += 16;                                                           \
        dst += 16;                                                           \
        w -= 16;                                                             \
      }                                                                      \
      while (w >= 8) {                                                       \
        aom_filter_block1d8_##dir##4_##avg##opt(src_start, src_stride, dst,  \
                                                dst_stride, h, filter);      \
        src += 8;                                                            \
        dst += 8;                                                            \
        w -= 8;                                                              \
      }                                                                      \
      while (w >= 4) {                                                       \
        aom_filter_block1d4_##dir##4_##avg##opt(src_start, src_stride, dst,  \
                                                dst_stride, h, filter);      \
        src += 4;                                                            \
        dst += 4;                                                            \
        w -= 4;                                                              \
      }                                                                      \
    } else if (filter[0] | filter[1] | filter[2]) {                          \
      while (w >= 16) {                                                      \
        aom_filter_block1d16_##dir##8_##avg##opt(src_start, src_stride, dst, \
                                                 dst_stride, h, filter);     \
        src += 16;                                                           \
        dst += 16;                                                           \
        w -= 16;                                                             \
      }                                                                      \
      while (w >= 8) {                                                       \
        aom_filter_block1d8_##dir##8_##avg##opt(src_start, src_stride, dst,  \
                                                dst_stride, h, filter);      \
        src += 8;                                                            \
        dst += 8;                                                            \
        w -= 8;                                                              \
      }                                                                      \
      while (w >= 4) {                                                       \
        aom_filter_block1d4_##dir##8_##avg##opt(src_start, src_stride, dst,  \
                                                dst_stride, h, filter);      \
        src += 4;                                                            \
        dst += 4;                                                            \
        w -= 4;                                                              \
      }                                                                      \
    } else {                                                                 \
      while (w >= 16) {                                                      \
        aom_filter_block1d16_##dir##2_##avg##opt(src, src_stride, dst,       \
                                                 dst_stride, h, filter);     \
        src += 16;                                                           \
        dst += 16;                                                           \
        w -= 16;                                                             \
      }                                                                      \
      while (w >= 8) {                                                       \
        aom_filter_block1d8_##dir##2_##avg##opt(src, src_stride, dst,        \
                                                dst_stride, h, filter);      \
        src += 8;                                                            \
        dst += 8;                                                            \
        w -= 8;                                                              \
      }                                                                      \
      while (w >= 4) {                                                       \
        aom_filter_block1d4_##dir##2_##avg##opt(src, src_stride, dst,        \
                                                dst_stride, h, filter);      \
        src += 4;                                                            \
        dst += 4;                                                            \
        w -= 4;                                                              \
      }                                                                      \
    }                                                                        \
    if (w) {                                                                 \
      aom_convolve8_##name##_c(src, src_stride, dst, dst_stride, filter_x,   \
                               x_step_q4, filter_y, y_step_q4, w, h);        \
    }                                                                        \
  }

typedef void highbd_filter8_1dfunction(const uint16_t *src_ptr,
                                       const ptrdiff_t src_pitch,
                                       uint16_t *output_ptr,
                                       ptrdiff_t out_pitch,
                                       unsigned int output_height,
                                       const int16_t *filter, int bd);

#define HIGH_FUN_CONV_1D(name, step_q4, filter, dir, src_start, avg, opt)  \
  void aom_highbd_convolve8_##name##_##opt(                                \
      const uint8_t *src8, ptrdiff_t src_stride, uint8_t *dst8,            \
      ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4,        \
      const int16_t *filter_y, int y_step_q4, int w, int h, int bd) {      \
    uint16_t *src = CONVERT_TO_SHORTPTR(src8);                             \
    uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);                             \
    if (step_q4 == 16 && filter[3] != 128) {                               \
      if (filter[0] | filter[1] | filter[2]) {                             \
        while (w >= 16) {                                                  \
          aom_highbd_filter_block1d16_##dir##8_##avg##opt(                 \
              src_start, src_stride, dst, dst_stride, h, filter, bd);      \
          src += 16;                                                       \
          dst += 16;                                                       \
          w -= 16;                                                         \
        }                                                                  \
        while (w >= 8) {                                                   \
          aom_highbd_filter_block1d8_##dir##8_##avg##opt(                  \
              src_start, src_stride, dst, dst_stride, h, filter, bd);      \
          src += 8;                                                        \
          dst += 8;                                                        \
          w -= 8;                                                          \
        }                                                                  \
        while (w >= 4) {                                                   \
          aom_highbd_filter_block1d4_##dir##8_##avg##opt(                  \
              src_start, src_stride, dst, dst_stride, h, filter, bd);      \
          src += 4;                                                        \
          dst += 4;                                                        \
          w -= 4;                                                          \
        }                                                                  \
      } else {                                                             \
        while (w >= 16) {                                                  \
          aom_highbd_filter_block1d16_##dir##2_##avg##opt(                 \
              src, src_stride, dst, dst_stride, h, filter, bd);            \
          src += 16;                                                       \
          dst += 16;                                                       \
          w -= 16;                                                         \
        }                                                                  \
        while (w >= 8) {                                                   \
          aom_highbd_filter_block1d8_##dir##2_##avg##opt(                  \
              src, src_stride, dst, dst_stride, h, filter, bd);            \
          src += 8;                                                        \
          dst += 8;                                                        \
          w -= 8;                                                          \
        }                                                                  \
        while (w >= 4) {                                                   \
          aom_highbd_filter_block1d4_##dir##2_##avg##opt(                  \
              src, src_stride, dst, dst_stride, h, filter, bd);            \
          src += 4;                                                        \
          dst += 4;                                                        \
          w -= 4;                                                          \
        }                                                                  \
      }                                                                    \
    }                                                                      \
    if (w) {                                                               \
      aom_highbd_convolve8_##name##_c(                                     \
          CONVERT_TO_BYTEPTR(src), src_stride, CONVERT_TO_BYTEPTR(dst),    \
          dst_stride, filter_x, x_step_q4, filter_y, y_step_q4, w, h, bd); \
    }                                                                      \
  }

#endif  // AOM_AOM_DSP_X86_CONVOLVE_H_