/*
 *  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.
 */


#ifndef SUBPIXEL_H
#define SUBPIXEL_H

#define prototype_subpixel_predict(sym) \
    void sym(unsigned char *src, int src_pitch, int xofst, int yofst, \
             unsigned char *dst, int dst_pitch)

#if ARCH_X86 || ARCH_X86_64
#include "x86/subpixel_x86.h"
#endif

#if ARCH_ARM
#include "arm/subpixel_arm.h"
#endif

#ifndef vp8_subpix_sixtap16x16
#define vp8_subpix_sixtap16x16 vp8_sixtap_predict16x16_c
#endif
extern prototype_subpixel_predict(vp8_subpix_sixtap16x16);

#ifndef vp8_subpix_sixtap8x8
#define vp8_subpix_sixtap8x8 vp8_sixtap_predict8x8_c
#endif
extern prototype_subpixel_predict(vp8_subpix_sixtap8x8);

#if CONFIG_DUALPRED
#ifndef vp8_subpix_sixtap_avg16x16
#define vp8_subpix_sixtap_avg16x16 vp8_sixtap_predict_avg16x16_c
#endif
extern prototype_subpixel_predict(vp8_subpix_sixtap_avg16x16);

#ifndef vp8_subpix_sixtap_avg8x8
#define vp8_subpix_sixtap_avg8x8 vp8_sixtap_predict_avg8x8_c
#endif
extern prototype_subpixel_predict(vp8_subpix_sixtap_avg8x8);
#endif /* CONFIG_DUALPRED */

#ifndef vp8_subpix_sixtap8x4
#define vp8_subpix_sixtap8x4 vp8_sixtap_predict8x4_c
#endif
extern prototype_subpixel_predict(vp8_subpix_sixtap8x4);

#ifndef vp8_subpix_sixtap4x4
#define vp8_subpix_sixtap4x4 vp8_sixtap_predict_c
#endif
extern prototype_subpixel_predict(vp8_subpix_sixtap4x4);

#ifndef vp8_subpix_bilinear16x16
#define vp8_subpix_bilinear16x16 vp8_bilinear_predict16x16_c
#endif
extern prototype_subpixel_predict(vp8_subpix_bilinear16x16);

#ifndef vp8_subpix_bilinear8x8
#define vp8_subpix_bilinear8x8 vp8_bilinear_predict8x8_c
#endif
extern prototype_subpixel_predict(vp8_subpix_bilinear8x8);

#if CONFIG_DUALPRED
#ifndef vp8_subpix_bilinear_avg16x16
#define vp8_subpix_bilinear_avg16x16 vp8_bilinear_predict_avg16x16_c
#endif
extern prototype_subpixel_predict(vp8_subpix_bilinear_avg16x16);

#ifndef vp8_subpix_bilinear_avg8x8
#define vp8_subpix_bilinear_avg8x8 vp8_bilinear_predict_avg8x8_c
#endif
extern prototype_subpixel_predict(vp8_subpix_bilinear_avg8x8);
#endif /* CONFIG_DUALPRED */

#ifndef vp8_subpix_bilinear8x4
#define vp8_subpix_bilinear8x4 vp8_bilinear_predict8x4_c
#endif
extern prototype_subpixel_predict(vp8_subpix_bilinear8x4);

#ifndef vp8_subpix_bilinear4x4
#define vp8_subpix_bilinear4x4 vp8_bilinear_predict4x4_c
#endif
extern prototype_subpixel_predict(vp8_subpix_bilinear4x4);

typedef prototype_subpixel_predict((*vp8_subpix_fn_t));
typedef struct
{
    vp8_subpix_fn_t  sixtap16x16;
    vp8_subpix_fn_t  sixtap8x8;
#if CONFIG_DUALPRED
    vp8_subpix_fn_t  sixtap_avg16x16;
    vp8_subpix_fn_t  sixtap_avg8x8;
#endif /* CONFIG_DUALPRED */
    vp8_subpix_fn_t  sixtap8x4;
    vp8_subpix_fn_t  sixtap4x4;
    vp8_subpix_fn_t  bilinear16x16;
    vp8_subpix_fn_t  bilinear8x8;
#if CONFIG_DUALPRED
    vp8_subpix_fn_t  bilinear_avg16x16;
    vp8_subpix_fn_t  bilinear_avg8x8;
#endif /* CONFIG_DUALPRED */
    vp8_subpix_fn_t  bilinear8x4;
    vp8_subpix_fn_t  bilinear4x4;
} vp8_subpix_rtcd_vtable_t;

#if CONFIG_RUNTIME_CPU_DETECT
#define SUBPIX_INVOKE(ctx,fn) (ctx)->fn
#else
#define SUBPIX_INVOKE(ctx,fn) vp8_subpix_##fn
#endif

#endif