ref: 9ba2efd0340c2e0b9a3ac46ac1c94563552a112b
dir: /vpx_scale/win32/scalesystemdependent.c/
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/****************************************************************************
*
* Module Title : system_dependent.c
*
* Description : Miscellaneous system dependent functions
*
****************************************************************************/
/****************************************************************************
* Header Files
****************************************************************************/
#include "vpx_scale/vpxscale.h"
#include "cpuidlib.h"
/****************************************************************************
* Imports
*****************************************************************************/
extern void register_generic_scalers(void);
extern void register_mmxscalers(void);
/****************************************************************************
*
* ROUTINE : post_proc_machine_specific_config
*
* INPUTS : UINT32 Version : Codec version number.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Checks for machine specifc features such as MMX support
* sets appropriate flags and function pointers.
*
* SPECIAL NOTES : None.
*
****************************************************************************/
void
vp8_scale_machine_specific_config(void) {
// If MMX supported then set to use MMX versions of functions else
// use original 'C' versions.
int mmx_enabled;
int xmm_enabled;
int wmt_enabled;
vpx_get_processor_flags(&mmx_enabled, &xmm_enabled, &wmt_enabled);
if (mmx_enabled || xmm_enabled || wmt_enabled) {
register_mmxscalers();
} else {
vp8_horizontal_line_1_2_scale = vp8cx_horizontal_line_1_2_scale_c;
vp8_vertical_band_1_2_scale = vp8cx_vertical_band_1_2_scale_c;
vp8_last_vertical_band_1_2_scale = vp8cx_last_vertical_band_1_2_scale_c;
vp8_horizontal_line_3_5_scale = vp8cx_horizontal_line_3_5_scale_c;
vp8_vertical_band_3_5_scale = vp8cx_vertical_band_3_5_scale_c;
vp8_last_vertical_band_3_5_scale = vp8cx_last_vertical_band_3_5_scale_c;
vp8_horizontal_line_3_4_scale = vp8cx_horizontal_line_3_4_scale_c;
vp8_vertical_band_3_4_scale = vp8cx_vertical_band_3_4_scale_c;
vp8_last_vertical_band_3_4_scale = vp8cx_last_vertical_band_3_4_scale_c;
vp8_horizontal_line_2_3_scale = vp8cx_horizontal_line_2_3_scale_c;
vp8_vertical_band_2_3_scale = vp8cx_vertical_band_2_3_scale_c;
vp8_last_vertical_band_2_3_scale = vp8cx_last_vertical_band_2_3_scale_c;
vp8_horizontal_line_4_5_scale = vp8cx_horizontal_line_4_5_scale_c;
vp8_vertical_band_4_5_scale = vp8cx_vertical_band_4_5_scale_c;
vp8_last_vertical_band_4_5_scale = vp8cx_last_vertical_band_4_5_scale_c;
vp8_vertical_band_5_4_scale = vp8cx_vertical_band_5_4_scale_c;
vp8_vertical_band_5_3_scale = vp8cx_vertical_band_5_3_scale_c;
vp8_vertical_band_2_1_scale = vp8cx_vertical_band_2_1_scale_c;
vp8_vertical_band_2_1_scale_i = vp8cx_vertical_band_2_1_scale_i_c;
vp8_horizontal_line_2_1_scale = vp8cx_horizontal_line_2_1_scale_c;
vp8_horizontal_line_5_3_scale = vp8cx_horizontal_line_5_3_scale_c;
vp8_horizontal_line_5_4_scale = vp8cx_horizontal_line_5_4_scale_c;
}
}