ref: ce2b56cd698c616daa6b86f705896fff33f450d8
dir: /vpx_dsp/mips/vpx_convolve_copy_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 <string.h>
#include "vpx_dsp/mips/macros_msa.h"
static void copy_width8_msa(const uint8_t *src, int32_t src_stride,
uint8_t *dst, int32_t dst_stride, int32_t height) {
int32_t cnt;
uint64_t out0, out1, out2, out3, out4, out5, out6, out7;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
if (0 == height % 12) {
for (cnt = (height / 12); cnt--;) {
LD_UB8(src, src_stride, src0, src1, src2, src3, src4, src5, src6, src7);
src += (8 * src_stride);
out0 = __msa_copy_u_d((v2i64)src0, 0);
out1 = __msa_copy_u_d((v2i64)src1, 0);
out2 = __msa_copy_u_d((v2i64)src2, 0);
out3 = __msa_copy_u_d((v2i64)src3, 0);
out4 = __msa_copy_u_d((v2i64)src4, 0);
out5 = __msa_copy_u_d((v2i64)src5, 0);
out6 = __msa_copy_u_d((v2i64)src6, 0);
out7 = __msa_copy_u_d((v2i64)src7, 0);
SD4(out0, out1, out2, out3, dst, dst_stride);
dst += (4 * dst_stride);
SD4(out4, out5, out6, out7, dst, dst_stride);
dst += (4 * dst_stride);
LD_UB4(src, src_stride, src0, src1, src2, src3);
src += (4 * src_stride);
out0 = __msa_copy_u_d((v2i64)src0, 0);
out1 = __msa_copy_u_d((v2i64)src1, 0);
out2 = __msa_copy_u_d((v2i64)src2, 0);
out3 = __msa_copy_u_d((v2i64)src3, 0);
SD4(out0, out1, out2, out3, dst, dst_stride);
dst += (4 * dst_stride);
}
} else if (0 == height % 8) {
for (cnt = height >> 3; cnt--;) {
LD_UB8(src, src_stride, src0, src1, src2, src3, src4, src5, src6, src7);
src += (8 * src_stride);
out0 = __msa_copy_u_d((v2i64)src0, 0);
out1 = __msa_copy_u_d((v2i64)src1, 0);
out2 = __msa_copy_u_d((v2i64)src2, 0);
out3 = __msa_copy_u_d((v2i64)src3, 0);
out4 = __msa_copy_u_d((v2i64)src4, 0);
out5 = __msa_copy_u_d((v2i64)src5, 0);
out6 = __msa_copy_u_d((v2i64)src6, 0);
out7 = __msa_copy_u_d((v2i64)src7, 0);
SD4(out0, out1, out2, out3, dst, dst_stride);
dst += (4 * dst_stride);
SD4(out4, out5, out6, out7, dst, dst_stride);
dst += (4 * dst_stride);
}
} else if (0 == height % 4) {
for (cnt = (height / 4); cnt--;) {
LD_UB4(src, src_stride, src0, src1, src2, src3);
src += (4 * src_stride);
out0 = __msa_copy_u_d((v2i64)src0, 0);
out1 = __msa_copy_u_d((v2i64)src1, 0);
out2 = __msa_copy_u_d((v2i64)src2, 0);
out3 = __msa_copy_u_d((v2i64)src3, 0);
SD4(out0, out1, out2, out3, dst, dst_stride);
dst += (4 * dst_stride);
}
} else if (0 == height % 2) {
for (cnt = (height / 2); cnt--;) {
LD_UB2(src, src_stride, src0, src1);
src += (2 * src_stride);
out0 = __msa_copy_u_d((v2i64)src0, 0);
out1 = __msa_copy_u_d((v2i64)src1, 0);
SD(out0, dst);
dst += dst_stride;
SD(out1, dst);
dst += dst_stride;
}
}
}
static void copy_16multx8mult_msa(const uint8_t *src, int32_t src_stride,
uint8_t *dst, int32_t dst_stride,
int32_t height, int32_t width) {
int32_t cnt, loop_cnt;
const uint8_t *src_tmp;
uint8_t *dst_tmp;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
for (cnt = (width >> 4); cnt--;) {
src_tmp = src;
dst_tmp = dst;
for (loop_cnt = (height >> 3); loop_cnt--;) {
LD_UB8(src_tmp, src_stride,
src0, src1, src2, src3, src4, src5, src6, src7);
src_tmp += (8 * src_stride);
ST_UB8(src0, src1, src2, src3, src4, src5, src6, src7,
dst_tmp, dst_stride);
dst_tmp += (8 * dst_stride);
}
src += 16;
dst += 16;
}
}
static void copy_width16_msa(const uint8_t *src, int32_t src_stride,
uint8_t *dst, int32_t dst_stride, int32_t height) {
int32_t cnt;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
if (0 == height % 12) {
for (cnt = (height / 12); cnt--;) {
LD_UB8(src, src_stride, src0, src1, src2, src3, src4, src5, src6, src7);
src += (8 * src_stride);
ST_UB8(src0, src1, src2, src3, src4, src5, src6, src7, dst, dst_stride);
dst += (8 * dst_stride);
LD_UB4(src, src_stride, src0, src1, src2, src3);
src += (4 * src_stride);
ST_UB4(src0, src1, src2, src3, dst, dst_stride);
dst += (4 * dst_stride);
}
} else if (0 == height % 8) {
copy_16multx8mult_msa(src, src_stride, dst, dst_stride, height, 16);
} else if (0 == height % 4) {
for (cnt = (height >> 2); cnt--;) {
LD_UB4(src, src_stride, src0, src1, src2, src3);
src += (4 * src_stride);
ST_UB4(src0, src1, src2, src3, dst, dst_stride);
dst += (4 * dst_stride);
}
}
}
static void copy_width32_msa(const uint8_t *src, int32_t src_stride,
uint8_t *dst, int32_t dst_stride, int32_t height) {
int32_t cnt;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
if (0 == height % 12) {
for (cnt = (height / 12); cnt--;) {
LD_UB4(src, src_stride, src0, src1, src2, src3);
LD_UB4(src + 16, src_stride, src4, src5, src6, src7);
src += (4 * src_stride);
ST_UB4(src0, src1, src2, src3, dst, dst_stride);
ST_UB4(src4, src5, src6, src7, dst + 16, dst_stride);
dst += (4 * dst_stride);
LD_UB4(src, src_stride, src0, src1, src2, src3);
LD_UB4(src + 16, src_stride, src4, src5, src6, src7);
src += (4 * src_stride);
ST_UB4(src0, src1, src2, src3, dst, dst_stride);
ST_UB4(src4, src5, src6, src7, dst + 16, dst_stride);
dst += (4 * dst_stride);
LD_UB4(src, src_stride, src0, src1, src2, src3);
LD_UB4(src + 16, src_stride, src4, src5, src6, src7);
src += (4 * src_stride);
ST_UB4(src0, src1, src2, src3, dst, dst_stride);
ST_UB4(src4, src5, src6, src7, dst + 16, dst_stride);
dst += (4 * dst_stride);
}
} else if (0 == height % 8) {
copy_16multx8mult_msa(src, src_stride, dst, dst_stride, height, 32);
} else if (0 == height % 4) {
for (cnt = (height >> 2); cnt--;) {
LD_UB4(src, src_stride, src0, src1, src2, src3);
LD_UB4(src + 16, src_stride, src4, src5, src6, src7);
src += (4 * src_stride);
ST_UB4(src0, src1, src2, src3, dst, dst_stride);
ST_UB4(src4, src5, src6, src7, dst + 16, dst_stride);
dst += (4 * dst_stride);
}
}
}
static void copy_width64_msa(const uint8_t *src, int32_t src_stride,
uint8_t *dst, int32_t dst_stride, int32_t height) {
copy_16multx8mult_msa(src, src_stride, dst, dst_stride, height, 64);
}
void vpx_convolve_copy_msa(const uint8_t *src, ptrdiff_t src_stride,
uint8_t *dst, ptrdiff_t dst_stride,
const int16_t *filter_x, int32_t filter_x_stride,
const int16_t *filter_y, int32_t filter_y_stride,
int32_t w, int32_t h) {
(void)filter_x;
(void)filter_y;
(void)filter_x_stride;
(void)filter_y_stride;
switch (w) {
case 4: {
uint32_t cnt, tmp;
/* 1 word storage */
for (cnt = h; cnt--;) {
tmp = LW(src);
SW(tmp, dst);
src += src_stride;
dst += dst_stride;
}
break;
}
case 8: {
copy_width8_msa(src, src_stride, dst, dst_stride, h);
break;
}
case 16: {
copy_width16_msa(src, src_stride, dst, dst_stride, h);
break;
}
case 32: {
copy_width32_msa(src, src_stride, dst, dst_stride, h);
break;
}
case 64: {
copy_width64_msa(src, src_stride, dst, dst_stride, h);
break;
}
default: {
uint32_t cnt;
for (cnt = h; cnt--;) {
memcpy(dst, src, w);
src += src_stride;
dst += dst_stride;
}
break;
}
}
}