ref: 9718a01e42e3e7232c6fe8dd1068052a7e7f5f2b
dir: /vp9/encoder/mips/msa/vp9_error_msa.c/
/*
* Copyright (c) 2015 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.
*/
#include "./vp9_rtcd.h"
#include "vpx_dsp/mips/macros_msa.h"
#define BLOCK_ERROR_BLOCKSIZE_MSA(BSize) \
static int64_t block_error_##BSize##size_msa( \
const int16_t *coeff_ptr, const int16_t *dq_coeff_ptr, int64_t *ssz) { \
int64_t err = 0; \
uint32_t loop_cnt; \
v8i16 coeff, dq_coeff, coeff_r_h, coeff_l_h; \
v4i32 diff_r, diff_l, coeff_r_w, coeff_l_w; \
v2i64 sq_coeff_r, sq_coeff_l; \
v2i64 err0, err_dup0, err1, err_dup1; \
\
coeff = LD_SH(coeff_ptr); \
dq_coeff = LD_SH(dq_coeff_ptr); \
UNPCK_SH_SW(coeff, coeff_r_w, coeff_l_w); \
ILVRL_H2_SH(coeff, dq_coeff, coeff_r_h, coeff_l_h); \
HSUB_UH2_SW(coeff_r_h, coeff_l_h, diff_r, diff_l); \
DOTP_SW2_SD(coeff_r_w, coeff_l_w, coeff_r_w, coeff_l_w, sq_coeff_r, \
sq_coeff_l); \
DOTP_SW2_SD(diff_r, diff_l, diff_r, diff_l, err0, err1); \
\
coeff = LD_SH(coeff_ptr + 8); \
dq_coeff = LD_SH(dq_coeff_ptr + 8); \
UNPCK_SH_SW(coeff, coeff_r_w, coeff_l_w); \
ILVRL_H2_SH(coeff, dq_coeff, coeff_r_h, coeff_l_h); \
HSUB_UH2_SW(coeff_r_h, coeff_l_h, diff_r, diff_l); \
DPADD_SD2_SD(coeff_r_w, coeff_l_w, sq_coeff_r, sq_coeff_l); \
DPADD_SD2_SD(diff_r, diff_l, err0, err1); \
\
coeff_ptr += 16; \
dq_coeff_ptr += 16; \
\
for (loop_cnt = ((BSize >> 4) - 1); loop_cnt--;) { \
coeff = LD_SH(coeff_ptr); \
dq_coeff = LD_SH(dq_coeff_ptr); \
UNPCK_SH_SW(coeff, coeff_r_w, coeff_l_w); \
ILVRL_H2_SH(coeff, dq_coeff, coeff_r_h, coeff_l_h); \
HSUB_UH2_SW(coeff_r_h, coeff_l_h, diff_r, diff_l); \
DPADD_SD2_SD(coeff_r_w, coeff_l_w, sq_coeff_r, sq_coeff_l); \
DPADD_SD2_SD(diff_r, diff_l, err0, err1); \
\
coeff = LD_SH(coeff_ptr + 8); \
dq_coeff = LD_SH(dq_coeff_ptr + 8); \
UNPCK_SH_SW(coeff, coeff_r_w, coeff_l_w); \
ILVRL_H2_SH(coeff, dq_coeff, coeff_r_h, coeff_l_h); \
HSUB_UH2_SW(coeff_r_h, coeff_l_h, diff_r, diff_l); \
DPADD_SD2_SD(coeff_r_w, coeff_l_w, sq_coeff_r, sq_coeff_l); \
DPADD_SD2_SD(diff_r, diff_l, err0, err1); \
\
coeff_ptr += 16; \
dq_coeff_ptr += 16; \
} \
\
err_dup0 = __msa_splati_d(sq_coeff_r, 1); \
err_dup1 = __msa_splati_d(sq_coeff_l, 1); \
sq_coeff_r += err_dup0; \
sq_coeff_l += err_dup1; \
*ssz = __msa_copy_s_d(sq_coeff_r, 0); \
*ssz += __msa_copy_s_d(sq_coeff_l, 0); \
\
err_dup0 = __msa_splati_d(err0, 1); \
err_dup1 = __msa_splati_d(err1, 1); \
err0 += err_dup0; \
err1 += err_dup1; \
err = __msa_copy_s_d(err0, 0); \
err += __msa_copy_s_d(err1, 0); \
\
return err; \
}
BLOCK_ERROR_BLOCKSIZE_MSA(16);
BLOCK_ERROR_BLOCKSIZE_MSA(64);
BLOCK_ERROR_BLOCKSIZE_MSA(256);
BLOCK_ERROR_BLOCKSIZE_MSA(1024);
int64_t vp9_block_error_msa(const tran_low_t *coeff_ptr,
const tran_low_t *dq_coeff_ptr, intptr_t blk_size,
int64_t *ssz) {
int64_t err;
const int16_t *coeff = (const int16_t *)coeff_ptr;
const int16_t *dq_coeff = (const int16_t *)dq_coeff_ptr;
switch (blk_size) {
case 16: err = block_error_16size_msa(coeff, dq_coeff, ssz); break;
case 64: err = block_error_64size_msa(coeff, dq_coeff, ssz); break;
case 256: err = block_error_256size_msa(coeff, dq_coeff, ssz); break;
case 1024: err = block_error_1024size_msa(coeff, dq_coeff, ssz); break;
default:
err = vp9_block_error_c(coeff_ptr, dq_coeff_ptr, blk_size, ssz);
break;
}
return err;
}