granicus.if.org Git - libvpx/blob - vpx_scale/arm/scalesystemdependant.c

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #include "vpx_ports/config.h"
  13 #include "vpx_ports/arm.h"
  14 #include "vpx_scale/vpxscale.h"
  15
  16
  17 void (*vp8_yv12_extend_frame_borders_ptr)(YV12_BUFFER_CONFIG *ybf);
  18 extern void vp8_yv12_extend_frame_borders(YV12_BUFFER_CONFIG *ybf);
  19 extern void vp8_yv12_extend_frame_borders_neon(YV12_BUFFER_CONFIG *ybf);
  20
  21 void (*vp8_yv12_copy_frame_yonly_ptr)(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
  22 extern void vp8_yv12_copy_frame_yonly(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
  23 extern void vp8_yv12_copy_frame_yonly_neon(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
  24
  25 void (*vp8_yv12_copy_frame_ptr)(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
  26 extern void vp8_yv12_copy_frame(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
  27 extern void vp8_yv12_copy_frame_neon(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
  28
  29 /****************************************************************************
  30 *  Imports
  31 *****************************************************************************/
  32
  33 /****************************************************************************
  34  *
  35  *  ROUTINE       : vp8_scale_machine_specific_config
  36  *
  37  *  INPUTS        : UINT32 Version : Codec version number.
  38  *
  39  *  OUTPUTS       : None.
  40  *
  41  *  RETURNS       : void
  42  *
  43  *  FUNCTION      : Checks for machine specifc features such as MMX support
  44  *                  sets appropriate flags and function pointers.
  45  *
  46  *  SPECIAL NOTES : None.
  47  *
  48  ****************************************************************************/
  49 void vp8_scale_machine_specific_config()
  50 {
  51 #if HAVE_ARMV7 && CONFIG_RUNTIME_CPU_DETECT
  52     int flags;
  53 #endif
  54     /*
  55     vp8_horizontal_line_1_2_scale        = horizontal_line_1_2_scale_armv4;
  56     vp8_vertical_band_1_2_scale          = vertical_band_1_2_scale_armv4;
  57     vp8_last_vertical_band_1_2_scale      = vp8cx_last_vertical_band_1_2_scale_c;
  58     vp8_horizontal_line_3_5_scale        = horizontal_line_3_5_scale_armv4;
  59     vp8_vertical_band_3_5_scale          = vertical_band_3_5_scale_armv4;
  60     vp8_last_vertical_band_3_5_scale      = vp8cx_last_vertical_band_3_5_scale_c;
  61     vp8_horizontal_line_3_4_scale        = horizontal_line_3_4_scale_armv4;
  62     vp8_vertical_band_3_4_scale          = vertical_band_3_4_scale_armv4;
  63     vp8_last_vertical_band_3_4_scale      = vp8cx_last_vertical_band_3_4_scale_c;
  64     vp8_horizontal_line_2_3_scale        = horizontal_line_2_3_scale_armv4;
  65     vp8_vertical_band_2_3_scale          = vertical_band_2_3_scale_armv4;
  66     vp8_last_vertical_band_2_3_scale      = vp8cx_last_vertical_band_2_3_scale_c;
  67     vp8_horizontal_line_4_5_scale        = horizontal_line_4_5_scale_armv4;
  68     vp8_vertical_band_4_5_scale          = vertical_band_4_5_scale_armv4;
  69     vp8_last_vertical_band_4_5_scale      = vp8cx_last_vertical_band_4_5_scale_c;
  70
  71     vp8_vertical_band_5_4_scale           = vp8cx_vertical_band_5_4_scale_c;
  72     vp8_vertical_band_5_3_scale           = vp8cx_vertical_band_5_3_scale_c;
  73     vp8_vertical_band_2_1_scale           = vp8cx_vertical_band_2_1_scale_c;
  74     vp8_vertical_band_2_1_scale_i         = vp8cx_vertical_band_2_1_scale_i_c;
  75     vp8_horizontal_line_2_1_scale         = vp8cx_horizontal_line_2_1_scale_c;
  76     vp8_horizontal_line_5_3_scale         = vp8cx_horizontal_line_5_3_scale_c;
  77     vp8_horizontal_line_5_4_scale         = vp8cx_horizontal_line_5_4_scale_c;
  78     */
  79
  80 #if !HAVE_ARMV7 || CONFIG_RUNTIME_CPU_DETECT
  81     vp8_yv12_extend_frame_borders_ptr      = vp8_yv12_extend_frame_borders;
  82     vp8_yv12_copy_frame_yonly_ptr          = vp8_yv12_copy_frame_yonly;
  83     vp8_yv12_copy_frame_ptr           = vp8_yv12_copy_frame;
  84 #endif
  85 #if HAVE_ARMV7
  86 #if CONFIG_RUNTIME_CPU_DETECT
  87     flags = arm_cpu_caps();
  88     if (flags & HAS_NEON)
  89 #endif
  90     {
  91         vp8_yv12_extend_frame_borders_ptr = vp8_yv12_extend_frame_borders_neon;
  92         vp8_yv12_copy_frame_yonly_ptr     = vp8_yv12_copy_frame_yonly_neon;
  93         vp8_yv12_copy_frame_ptr           = vp8_yv12_copy_frame_neon;
  94     }
  95 #endif
  96 }