/*
 *  Copyright (c) 2010 The VP8 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.
 */


#include "variance.h"
#include "onyx_int.h"

SADFunction *vp8_sad16x16;
SADFunction *vp8_sad16x8;
SADFunction *vp8_sad8x16;
SADFunction *vp8_sad8x8;
SADFunction *vp8_sad4x4;

variance_function *vp8_variance4x4;
variance_function *vp8_variance8x8;
variance_function *vp8_variance8x16;
variance_function *vp8_variance16x8;
variance_function *vp8_variance16x16;

variance_function *vp8_mse16x16;

sub_pixel_variance_function *vp8_sub_pixel_variance4x4;
sub_pixel_variance_function *vp8_sub_pixel_variance8x8;
sub_pixel_variance_function *vp8_sub_pixel_variance8x16;
sub_pixel_variance_function *vp8_sub_pixel_variance16x8;
sub_pixel_variance_function *vp8_sub_pixel_variance16x16;

int (*vp8_block_error)(short *coeff, short *dqcoeff);
int (*vp8_mbblock_error)(MACROBLOCK *mb, int dc);

int (*vp8_mbuverror)(MACROBLOCK *mb);
unsigned int (*vp8_get_mb_ss)(short *);
void (*vp8_short_fdct4x4)(short *input, short *output, int pitch);
void (*vp8_short_fdct8x4)(short *input, short *output, int pitch);
void (*vp8_fast_fdct4x4)(short *input, short *output, int pitch);
void (*vp8_fast_fdct8x4)(short *input, short *output, int pitch);
void (*short_walsh4x4)(short *input, short *output, int pitch);

void (*vp8_subtract_b)(BLOCK *be, BLOCKD *bd, int pitch);
void (*vp8_subtract_mby)(short *diff, unsigned char *src, unsigned char *pred, int stride);
void (*vp8_subtract_mbuv)(short *diff, unsigned char *usrc, unsigned char *vsrc, unsigned char *pred, int stride);
void (*vp8_fast_quantize_b)(BLOCK *b, BLOCKD *d);

unsigned int (*vp8_get16x16pred_error)(unsigned char *src_ptr, int src_stride, unsigned char *ref_ptr, int ref_stride);
unsigned int (*vp8_get8x8var)(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride, unsigned int *SSE, int *Sum);
unsigned int (*vp8_get16x16var)(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride, unsigned int *SSE, int *Sum);
unsigned int (*vp8_get4x4sse_cs)(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride);

// c imports
extern int block_error_c(short *coeff, short *dqcoeff);
extern int vp8_mbblock_error_c(MACROBLOCK *mb, int dc);

extern int vp8_mbuverror_c(MACROBLOCK *mb);
extern unsigned int vp8_get8x8var_c(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride, unsigned int *SSE, int *Sum);
extern void short_fdct4x4_c(short *input, short *output, int pitch);
extern void short_fdct8x4_c(short *input, short *output, int pitch);
extern void vp8_short_walsh4x4_c(short *input, short *output, int pitch);

extern void vp8_subtract_b_c(BLOCK *be, BLOCKD *bd, int pitch);
extern void subtract_mby_c(short *diff, unsigned char *src, unsigned char *pred, int stride);
extern void subtract_mbuv_c(short *diff, unsigned char *usrc, unsigned char *vsrc, unsigned char *pred, int stride);
extern void vp8_fast_quantize_b_c(BLOCK *b, BLOCKD *d);

extern SADFunction sad16x16_c;
extern SADFunction sad16x8_c;
extern SADFunction sad8x16_c;
extern SADFunction sad8x8_c;
extern SADFunction sad4x4_c;

extern variance_function variance16x16_c;
extern variance_function variance8x16_c;
extern variance_function variance16x8_c;
extern variance_function variance8x8_c;
extern variance_function variance4x4_c;
extern variance_function mse16x16_c;

extern sub_pixel_variance_function sub_pixel_variance4x4_c;
extern sub_pixel_variance_function sub_pixel_variance8x8_c;
extern sub_pixel_variance_function sub_pixel_variance8x16_c;
extern sub_pixel_variance_function sub_pixel_variance16x8_c;
extern sub_pixel_variance_function sub_pixel_variance16x16_c;

extern unsigned int vp8_get_mb_ss_c(short *);
extern unsigned int vp8_get16x16pred_error_c(unsigned char *src_ptr, int src_stride, unsigned char *ref_ptr, int ref_stride);
extern unsigned int vp8_get8x8var_c(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride, unsigned int *SSE, int *Sum);
extern unsigned int vp8_get16x16var_c(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride, unsigned int *SSE, int *Sum);
extern unsigned int vp8_get4x4sse_cs_c(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride);

// ppc
extern int vp8_block_error_ppc(short *coeff, short *dqcoeff);

extern void vp8_short_fdct4x4_ppc(short *input, short *output, int pitch);
extern void vp8_short_fdct8x4_ppc(short *input, short *output, int pitch);

extern void vp8_subtract_mby_ppc(short *diff, unsigned char *src, unsigned char *pred, int stride);
extern void vp8_subtract_mbuv_ppc(short *diff, unsigned char *usrc, unsigned char *vsrc, unsigned char *pred, int stride);

extern SADFunction vp8_sad16x16_ppc;
extern SADFunction vp8_sad16x8_ppc;
extern SADFunction vp8_sad8x16_ppc;
extern SADFunction vp8_sad8x8_ppc;
extern SADFunction vp8_sad4x4_ppc;

extern variance_function vp8_variance16x16_ppc;
extern variance_function vp8_variance8x16_ppc;
extern variance_function vp8_variance16x8_ppc;
extern variance_function vp8_variance8x8_ppc;
extern variance_function vp8_variance4x4_ppc;
extern variance_function vp8_mse16x16_ppc;

extern sub_pixel_variance_function vp8_sub_pixel_variance4x4_ppc;
extern sub_pixel_variance_function vp8_sub_pixel_variance8x8_ppc;
extern sub_pixel_variance_function vp8_sub_pixel_variance8x16_ppc;
extern sub_pixel_variance_function vp8_sub_pixel_variance16x8_ppc;
extern sub_pixel_variance_function vp8_sub_pixel_variance16x16_ppc;

extern unsigned int vp8_get8x8var_ppc(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride, unsigned int *SSE, int *Sum);
extern unsigned int vp8_get16x16var_ppc(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride, unsigned int *SSE, int *Sum);

void vp8_cmachine_specific_config(void)
{
    // Pure C:
    vp8_mbuverror               = vp8_mbuverror_c;
    vp8_fast_quantize_b           = vp8_fast_quantize_b_c;
    vp8_short_fdct4x4            = vp8_short_fdct4x4_ppc;
    vp8_short_fdct8x4            = vp8_short_fdct8x4_ppc;
    vp8_fast_fdct4x4             = vp8_short_fdct4x4_ppc;
    vp8_fast_fdct8x4             = vp8_short_fdct8x4_ppc;
    short_walsh4x4               = vp8_short_walsh4x4_c;

    vp8_variance4x4             = vp8_variance4x4_ppc;
    vp8_variance8x8             = vp8_variance8x8_ppc;
    vp8_variance8x16            = vp8_variance8x16_ppc;
    vp8_variance16x8            = vp8_variance16x8_ppc;
    vp8_variance16x16           = vp8_variance16x16_ppc;
    vp8_mse16x16                = vp8_mse16x16_ppc;

    vp8_sub_pixel_variance4x4     = vp8_sub_pixel_variance4x4_ppc;
    vp8_sub_pixel_variance8x8     = vp8_sub_pixel_variance8x8_ppc;
    vp8_sub_pixel_variance8x16    = vp8_sub_pixel_variance8x16_ppc;
    vp8_sub_pixel_variance16x8    = vp8_sub_pixel_variance16x8_ppc;
    vp8_sub_pixel_variance16x16   = vp8_sub_pixel_variance16x16_ppc;

    vp8_get_mb_ss                 = vp8_get_mb_ss_c;
    vp8_get16x16pred_error       = vp8_get16x16pred_error_c;
    vp8_get8x8var               = vp8_get8x8var_ppc;
    vp8_get16x16var             = vp8_get16x16var_ppc;
    vp8_get4x4sse_cs            = vp8_get4x4sse_cs_c;

    vp8_sad16x16                = vp8_sad16x16_ppc;
    vp8_sad16x8                 = vp8_sad16x8_ppc;
    vp8_sad8x16                 = vp8_sad8x16_ppc;
    vp8_sad8x8                  = vp8_sad8x8_ppc;
    vp8_sad4x4                  = vp8_sad4x4_ppc;

    vp8_block_error              = vp8_block_error_ppc;
    vp8_mbblock_error            = vp8_mbblock_error_c;

    vp8_subtract_b               = vp8_subtract_b_c;
    vp8_subtract_mby             = vp8_subtract_mby_ppc;
    vp8_subtract_mbuv            = vp8_subtract_mbuv_ppc;
}