text: /*
   * 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_DSP_X86_CONVOLVE_H_
  #define 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[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_DSP_X86_CONVOLVE_H_
  