Anonymous

#define affine_render_scale_wrap(combine_op, alpha_op)                        \
{                                                                             \
  u32 wrap_mask = width_height - 1;                                           \
  pixel_y = (source_y >> 8) & wrap_mask;                                      \
  affine_render_scale_offset();                                               \
  for(i = 0; i < end; i++)                                                    \
  {                                                                           \
    pixel_x = (source_x >> 8) & wrap_mask;                                    \
    map_offset = (pixel_x / 8);                                               \
    if(map_offset != last_map_offset)                                         \
    {                                                                         \
      tile_ptr = tile_base + (map_base[map_offset] * 64);                     \
      last_map_offset = map_offset;                                           \
    }                                                                         \
    tile_ptr = tile_base + (map_base[(pixel_x / 8)] * 64);                    \
    current_pixel = tile_ptr[(pixel_x % 8)];                                  \
    tile_8bpp_draw_##combine_op(0, none, 0, alpha_op);                        \
    source_x += dx;                                                           \
    advance_dest_ptr_##combine_op(1)                                          \
  }                                                                           \
}                                                                             \

#define affine_render_scale_wrap_new(combine_op, alpha_op)                    \
{                                                                             \
  u32 wrap_mask = (width_height / 8) - 1;                                     \
  u32 map_x = (source_x >> 11) & wrap_mask;                                   \
  s32 tile_x = source_x & 0x7FF;                                              \
                                                                              \
  map_base += ((source_y >> 11) & wrap_mask) << map_pitch;                    \
  tile_base += ((source_y >> 8) % 8) * 8;                                     \
                                                                              \
  tile_ptr = tile_base + (map_base[map_x] * 64);                              \
                                                                              \
  for(i = 0; i < end; i++)                                                    \
  {                                                                           \
    current_pixel = tile_ptr[(tile_x >> 8)];                                  \
    tile_8bpp_draw_##combine_op(0, none, 0, alpha_op);                        \
                                                                              \
    tile_x += dx;                                                             \
                                                                              \
    affine_render_next(combine_op);                                           \
                                                                              \
    if(tile_x & 0xF800)                                                       \
    {                                                                         \
      map_x = (map_x + (tile_x >> 11)) & wrap_mask;                           \
      tile_ptr = tile_base + (map_base[map_x] * 64);                          \
      tile_x &= 0x7FF;                                                        \
    }                                                                         \
  }                                                                           \
}                                                                             \