vpx/vpx_dsp/mips/vpx_convolve_copy_msa.c
Zoe Liu 7186a2dd86 Code refactor on InterpKernel
It in essence refactors the code for both the interpolation
filtering and the convolution. This change includes the moving
of all the files as well as the changing of the code from vp9_
prefix to vpx_ prefix accordingly, for underneath architectures:
(1) x86;
(2) arm/neon; and
(3) mips/msa.
The work on mips/drsp2 will be done in a separate change list.

Change-Id: Ic3ce7fb7f81210db7628b373c73553db68793c46
2015-07-31 10:27:33 -07:00

248 lines
8.0 KiB
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;
}
}
}