ffmpeg/libswscale/loongarch/swscale_lasx.c
Niklas Haas 67adb30322 swscale: rename SwsContext to SwsInternal
And preserve the public SwsContext as separate name. The motivation here
is that I want to turn SwsContext into a public struct, while keeping the
internal implementation hidden. Additionally, I also want to be able to
use multiple internal implementations, e.g. for GPU devices.

This commit does not include any functional changes. For the most part, it is
a simple rename. The only complications arise from the public facing API
functions, which preserve their current type (and hence require an additional
unwrapping step internally), and the checkasm test framework, which directly
accesses SwsInternal.

For consistency, the affected functions that need to maintain a distionction
have generally been changed to refer to the SwsContext as *sws, and the
SwsInternal as *c.

In an upcoming commit, I will provide a backing definition for the public
SwsContext, and update `sws_internal()` to dereference the internal struct
instead of merely casting it.

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Niklas Haas <git@haasn.dev>
2024-10-24 22:50:00 +02:00

973 lines
46 KiB
C

/*
* Copyright (C) 2022 Loongson Technology Corporation Limited
* Contributed by Hao Chen(chenhao@loongson.cn)
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "swscale_loongarch.h"
#include "libavutil/loongarch/loongson_intrinsics.h"
#include "libavutil/intreadwrite.h"
#define SCALE_8_16(_sh) \
{ \
src0 = __lasx_xvldrepl_d(src + filterPos[0], 0); \
src1 = __lasx_xvldrepl_d(src + filterPos[1], 0); \
src2 = __lasx_xvldrepl_d(src + filterPos[2], 0); \
src3 = __lasx_xvldrepl_d(src + filterPos[3], 0); \
src4 = __lasx_xvldrepl_d(src + filterPos[4], 0); \
src5 = __lasx_xvldrepl_d(src + filterPos[5], 0); \
src6 = __lasx_xvldrepl_d(src + filterPos[6], 0); \
src7 = __lasx_xvldrepl_d(src + filterPos[7], 0); \
src8 = __lasx_xvldrepl_d(src + filterPos[8], 0); \
src9 = __lasx_xvldrepl_d(src + filterPos[9], 0); \
src10 = __lasx_xvldrepl_d(src + filterPos[10], 0); \
src11 = __lasx_xvldrepl_d(src + filterPos[11], 0); \
src12 = __lasx_xvldrepl_d(src + filterPos[12], 0); \
src13 = __lasx_xvldrepl_d(src + filterPos[13], 0); \
src14 = __lasx_xvldrepl_d(src + filterPos[14], 0); \
src15 = __lasx_xvldrepl_d(src + filterPos[15], 0); \
DUP4_ARG2(__lasx_xvld, filter, 0, filter, 32, filter, 64, \
filter, 96, filter0, filter1, filter2, filter3); \
DUP4_ARG2(__lasx_xvld, filter, 128, filter, 160, \
filter, 192, filter, 224, filter4, \
filter5, filter6, filter7); \
DUP4_ARG2(__lasx_xvilvl_d, src1, src0, src3, src2, \
src5, src4, src7, src6, src0, src2, src4, src6); \
DUP4_ARG2(__lasx_xvilvl_d, src9, src8, src11, src10, \
src13, src12, src15, src14, src8, src10, src12, src14); \
DUP4_ARG1(__lasx_vext2xv_hu_bu, src0, src2, src4, src6, \
src0, src2, src4, src6); \
DUP4_ARG1(__lasx_vext2xv_hu_bu, src8, src10, src12, \
src14, src8, src10, src12, src14); \
DUP4_ARG2(__lasx_xvdp2_w_h, filter0, src0, filter1, src2, \
filter2, src4, filter3, src6, src0, src1, src2, src3); \
DUP4_ARG2(__lasx_xvdp2_w_h, filter4, src8, filter5, src10, \
filter6, src12, filter7, src14, src4, src5, src6, src7);\
src0 = __lasx_xvhaddw_d_w(src0, src0); \
src1 = __lasx_xvhaddw_d_w(src1, src1); \
src2 = __lasx_xvhaddw_d_w(src2, src2); \
src3 = __lasx_xvhaddw_d_w(src3, src3); \
src4 = __lasx_xvhaddw_d_w(src4, src4); \
src5 = __lasx_xvhaddw_d_w(src5, src5); \
src6 = __lasx_xvhaddw_d_w(src6, src6); \
src7 = __lasx_xvhaddw_d_w(src7, src7); \
DUP4_ARG2(__lasx_xvpickev_w, src1, src0, src3, src2, \
src5, src4, src7, src6, src0, src1, src2, src3); \
src0 = __lasx_xvhaddw_d_w(src0, src0); \
src1 = __lasx_xvhaddw_d_w(src1, src1); \
src2 = __lasx_xvhaddw_d_w(src2, src2); \
src3 = __lasx_xvhaddw_d_w(src3, src3); \
src0 = __lasx_xvpickev_w(src1, src0); \
src1 = __lasx_xvpickev_w(src3, src2); \
src0 = __lasx_xvsrai_w(src0, _sh); \
src1 = __lasx_xvsrai_w(src1, _sh); \
src0 = __lasx_xvmin_w(src0, vmax); \
src1 = __lasx_xvmin_w(src1, vmax); \
src0 = __lasx_xvperm_w(src0, shuf); \
src1 = __lasx_xvperm_w(src1, shuf); \
src0 = __lasx_xvpickev_h(src1, src0); \
src0 = __lasx_xvpermi_d(src0, 0xd8); \
__lasx_xvst(src0, dst, 0); \
filterPos += 16; \
filter += 128; \
dst += 16; \
}
#define SCALE_8_8(_sh) \
{ \
src0 = __lasx_xvldrepl_d(src + filterPos[0], 0); \
src1 = __lasx_xvldrepl_d(src + filterPos[1], 0); \
src2 = __lasx_xvldrepl_d(src + filterPos[2], 0); \
src3 = __lasx_xvldrepl_d(src + filterPos[3], 0); \
src4 = __lasx_xvldrepl_d(src + filterPos[4], 0); \
src5 = __lasx_xvldrepl_d(src + filterPos[5], 0); \
src6 = __lasx_xvldrepl_d(src + filterPos[6], 0); \
src7 = __lasx_xvldrepl_d(src + filterPos[7], 0); \
DUP4_ARG2(__lasx_xvld, filter, 0, filter, 32, filter, 64, \
filter, 96, filter0, filter1, filter2, filter3); \
filterPos += 8; \
filter += 64; \
DUP4_ARG2(__lasx_xvilvl_d, src1, src0, src3, src2, \
src5, src4, src7, src6, src0, src2, src4, src6); \
DUP4_ARG1(__lasx_vext2xv_hu_bu, src0, src2, src4, src6, \
src0, src2, src4, src6); \
DUP4_ARG2(__lasx_xvdp2_w_h, filter0, src0, filter1, src2, \
filter2, src4, filter3, src6, src0, src1, src2,src3); \
src0 = __lasx_xvhaddw_d_w(src0, src0); \
src1 = __lasx_xvhaddw_d_w(src1, src1); \
src2 = __lasx_xvhaddw_d_w(src2, src2); \
src3 = __lasx_xvhaddw_d_w(src3, src3); \
src0 = __lasx_xvpickev_w(src1, src0); \
src1 = __lasx_xvpickev_w(src3, src2); \
src0 = __lasx_xvhaddw_d_w(src0, src0); \
src1 = __lasx_xvhaddw_d_w(src1, src1); \
src0 = __lasx_xvpickev_w(src1, src0); \
src0 = __lasx_xvsrai_w(src0, _sh); \
src0 = __lasx_xvmin_w(src0, vmax); \
src0 = __lasx_xvperm_w(src0, shuf); \
}
#define SCALE_8_4(_sh) \
{ \
src0 = __lasx_xvldrepl_d(src + filterPos[0], 0); \
src1 = __lasx_xvldrepl_d(src + filterPos[1], 0); \
src2 = __lasx_xvldrepl_d(src + filterPos[2], 0); \
src3 = __lasx_xvldrepl_d(src + filterPos[3], 0); \
filter0 = __lasx_xvld(filter, 0); \
filter1 = __lasx_xvld(filter, 32); \
filterPos += 4; \
filter += 32; \
src0 = __lasx_xvilvl_d(src1, src0); \
src2 = __lasx_xvilvl_d(src3, src2); \
src0 = __lasx_vext2xv_hu_bu(src0); \
src2 = __lasx_vext2xv_hu_bu(src2); \
src0 = __lasx_xvdp2_w_h(src0, filter0); \
src1 = __lasx_xvdp2_w_h(src2, filter1); \
src0 = __lasx_xvhaddw_d_w(src0, src0); \
src1 = __lasx_xvhaddw_d_w(src1, src1); \
src0 = __lasx_xvpickev_w(src1, src0); \
src0 = __lasx_xvhaddw_d_w(src0, src0); \
src0 = __lasx_xvpickev_w(src0, src0); \
src0 = __lasx_xvsrai_w(src0, _sh); \
src0 = __lasx_xvmin_w(src0, vmax); \
src0 = __lasx_xvperm_w(src0, shuf); \
}
#define SCALE_8_2(_sh) \
{ \
src0 = __lasx_xvldrepl_d(src + filterPos[0], 0); \
src1 = __lasx_xvldrepl_d(src + filterPos[1], 0); \
filter0 = __lasx_xvld(filter, 0); \
src0 = __lasx_xvilvl_d(src1, src0); \
src0 = __lasx_vext2xv_hu_bu(src0); \
src0 = __lasx_xvdp2_w_h(filter0, src0); \
src0 = __lasx_xvhaddw_d_w(src0, src0); \
src0 = __lasx_xvhaddw_q_d(src0, src0); \
src0 = __lasx_xvsrai_w(src0, _sh); \
src0 = __lasx_xvmin_w(src0, vmax); \
dst[0] = __lasx_xvpickve2gr_w(src0, 0); \
dst[1] = __lasx_xvpickve2gr_w(src0, 4); \
filterPos += 2; \
filter += 16; \
dst += 2; \
}
#define SCALE_4_16(_sh) \
{ \
src0 = __lasx_xvldrepl_w(src + filterPos[0], 0); \
src1 = __lasx_xvldrepl_w(src + filterPos[1], 0); \
src2 = __lasx_xvldrepl_w(src + filterPos[2], 0); \
src3 = __lasx_xvldrepl_w(src + filterPos[3], 0); \
src4 = __lasx_xvldrepl_w(src + filterPos[4], 0); \
src5 = __lasx_xvldrepl_w(src + filterPos[5], 0); \
src6 = __lasx_xvldrepl_w(src + filterPos[6], 0); \
src7 = __lasx_xvldrepl_w(src + filterPos[7], 0); \
src8 = __lasx_xvldrepl_w(src + filterPos[8], 0); \
src9 = __lasx_xvldrepl_w(src + filterPos[9], 0); \
src10 = __lasx_xvldrepl_w(src + filterPos[10], 0); \
src11 = __lasx_xvldrepl_w(src + filterPos[11], 0); \
src12 = __lasx_xvldrepl_w(src + filterPos[12], 0); \
src13 = __lasx_xvldrepl_w(src + filterPos[13], 0); \
src14 = __lasx_xvldrepl_w(src + filterPos[14], 0); \
src15 = __lasx_xvldrepl_w(src + filterPos[15], 0); \
DUP4_ARG2(__lasx_xvld, filter, 0, filter, 32, filter, 64, \
filter, 96, filter0, filter1, filter2, filter3); \
DUP4_ARG2(__lasx_xvilvl_w, src1, src0, src3, src2, src5, \
src4, src7, src6, src0, src2, src4, src6); \
DUP4_ARG2(__lasx_xvilvl_w, src9, src8, src11, src10, src13, \
src12, src15, src14, src8, src10, src12, src14); \
DUP4_ARG2(__lasx_xvilvl_d, src2, src0, src6, src4, src10, \
src8, src14, src12, src0, src1, src2, src3); \
DUP4_ARG1(__lasx_vext2xv_hu_bu, src0, src1, src2, src3, \
src0, src1, src2, src3); \
DUP4_ARG2(__lasx_xvdp2_w_h, filter0, src0, filter1, src1, \
filter2, src2, filter3, src3, src0, src1, src2, src3); \
src0 = __lasx_xvhaddw_d_w(src0, src0); \
src1 = __lasx_xvhaddw_d_w(src1, src1); \
src2 = __lasx_xvhaddw_d_w(src2, src2); \
src3 = __lasx_xvhaddw_d_w(src3, src3); \
src0 = __lasx_xvpickev_w(src1, src0); \
src1 = __lasx_xvpickev_w(src3, src2); \
src0 = __lasx_xvsrai_w(src0, _sh); \
src1 = __lasx_xvsrai_w(src1, _sh); \
src0 = __lasx_xvmin_w(src0, vmax); \
src1 = __lasx_xvmin_w(src1, vmax); \
src0 = __lasx_xvpickev_h(src1, src0); \
src0 = __lasx_xvperm_w(src0, shuf); \
__lasx_xvst(src0, dst, 0); \
filterPos += 16; \
filter += 64; \
dst += 16; \
}
#define SCALE_4_8(_sh) \
{ \
src0 = __lasx_xvldrepl_w(src + filterPos[0], 0); \
src1 = __lasx_xvldrepl_w(src + filterPos[1], 0); \
src2 = __lasx_xvldrepl_w(src + filterPos[2], 0); \
src3 = __lasx_xvldrepl_w(src + filterPos[3], 0); \
src4 = __lasx_xvldrepl_w(src + filterPos[4], 0); \
src5 = __lasx_xvldrepl_w(src + filterPos[5], 0); \
src6 = __lasx_xvldrepl_w(src + filterPos[6], 0); \
src7 = __lasx_xvldrepl_w(src + filterPos[7], 0); \
filter0 = __lasx_xvld(filter, 0); \
filter1 = __lasx_xvld(filter, 32); \
filterPos += 8; \
filter += 32; \
DUP4_ARG2(__lasx_xvilvl_w, src1, src0, src3, src2, src5, \
src4, src7, src6, src0, src2, src4, src6); \
src0 = __lasx_xvilvl_d(src2, src0); \
src1 = __lasx_xvilvl_d(src6, src4); \
\
src0 = __lasx_vext2xv_hu_bu(src0); \
src1 = __lasx_vext2xv_hu_bu(src1); \
src0 = __lasx_xvdp2_w_h(filter0, src0); \
src1 = __lasx_xvdp2_w_h(filter1, src1); \
src0 = __lasx_xvhaddw_d_w(src0, src0); \
src1 = __lasx_xvhaddw_d_w(src1, src1); \
src0 = __lasx_xvpickev_w(src1, src0); \
src0 = __lasx_xvsrai_w(src0, _sh); \
src0 = __lasx_xvmin_w(src0, vmax); \
}
#define SCALE_4_4(_sh) \
{ \
src0 = __lasx_xvldrepl_w(src + filterPos[0], 0); \
src1 = __lasx_xvldrepl_w(src + filterPos[1], 0); \
src2 = __lasx_xvldrepl_w(src + filterPos[2], 0); \
src3 = __lasx_xvldrepl_w(src + filterPos[3], 0); \
filter0 = __lasx_xvld(filter, 0); \
filterPos += 4; \
filter += 16; \
src0 = __lasx_xvilvl_w(src1, src0); \
src1 = __lasx_xvilvl_w(src3, src2); \
\
src0 = __lasx_xvilvl_d(src1, src0); \
src0 = __lasx_vext2xv_hu_bu(src0); \
src0 = __lasx_xvdp2_w_h(filter0, src0); \
src0 = __lasx_xvhaddw_d_w(src0, src0); \
src0 = __lasx_xvsrai_w(src0, _sh); \
src0 = __lasx_xvmin_w(src0, vmax); \
src0 = __lasx_xvpickev_w(src0, src0); \
src0 = __lasx_xvpermi_d(src0, 0xd8); \
}
#define SCALE_4_2(_sh) \
{ \
src0 = __lasx_xvldrepl_w(src + filterPos[0], 0); \
src1 = __lasx_xvldrepl_w(src + filterPos[1], 0); \
filter0 = __lasx_xvld(filter, 0); \
src0 = __lasx_xvilvl_w(src1, src0); \
src0 = __lasx_vext2xv_hu_bu(src0); \
src0 = __lasx_xvdp2_w_h(filter0, src0); \
src0 = __lasx_xvhaddw_d_w(src0, src0); \
src0 = __lasx_xvsrai_w(src0, _sh); \
src0 = __lasx_xvmin_w(src0, vmax); \
dst[0] = __lasx_xvpickve2gr_w(src0, 0); \
dst[1] = __lasx_xvpickve2gr_w(src0, 2); \
filterPos += 2; \
filter += 8; \
dst += 2; \
}
#define SCALE_16 \
{ \
int dex = j << 1; \
src0 = __lasx_xvldrepl_d((srcPos1 + j), 0); \
src1 = __lasx_xvldrepl_d((srcPos2 + j), 0); \
src2 = __lasx_xvldrepl_d((srcPos3 + j), 0); \
src3 = __lasx_xvldrepl_d((srcPos4 + j), 0); \
DUP4_ARG2(__lasx_xvldx, filterStart1, dex, filterStart2, dex, \
filterStart3, dex, filterStart4, dex, filter0, \
filter1, filter2, filter3); \
src0 = __lasx_xvpermi_q(src0, src1, 0x02); \
src1 = __lasx_xvpermi_q(src2, src3, 0x02); \
filter0 = __lasx_xvpermi_q(filter0, filter1, 0x02); \
filter1 = __lasx_xvpermi_q(filter2, filter3, 0x02); \
src0 = __lasx_xvilvl_b(zero, src0); \
src1 = __lasx_xvilvl_b(zero, src1); \
out0 = __lasx_xvdp2_w_h(filter0, src0); \
out1 = __lasx_xvdp2_w_h(filter1, src1); \
src0 = __lasx_xvhaddw_d_w(out0, out0); \
src1 = __lasx_xvhaddw_d_w(out1, out1); \
out0 = __lasx_xvpackev_d(src1, src0); \
out1 = __lasx_xvpackod_d(src1, src0); \
out0 = __lasx_xvadd_w(out0, out1); \
out = __lasx_xvadd_w(out, out0); \
}
void ff_hscale_8_to_15_lasx(SwsInternal *c, int16_t *dst, int dstW,
const uint8_t *src, const int16_t *filter,
const int32_t *filterPos, int filterSize)
{
int i;
int max = (1 << 15) - 1;
if (filterSize == 8) {
__m256i src0, src1, src2, src3, src4, src5, src6, src7;
__m256i src8, src9, src10, src11, src12, src13, src14, src15;
__m256i filter0, filter1, filter2, filter3;
__m256i filter4, filter5, filter6, filter7;
__m256i vmax = __lasx_xvreplgr2vr_w(max);
__m256i shuf = {0x0000000400000000, 0x0000000500000001,
0x0000000600000002, 0x0000000700000003};
int len = dstW >> 4;
int res = dstW & 15;
while (len--) {
SCALE_8_16(7);
}
if (res & 8) {
SCALE_8_8(7);
src0 = __lasx_xvpickev_h(src0, src0);
__lasx_xvstelm_d(src0, dst, 0, 0);
__lasx_xvstelm_d(src0, dst, 8, 2);
dst += 8;
}
if (res & 4) {
SCALE_8_4(7);
src0 = __lasx_xvpickev_h(src0, src0);
__lasx_xvstelm_d(src0, dst, 0, 0);
dst += 4;
}
if (res & 2) {
SCALE_8_2(7);
}
if (res & 1) {
int val = 0;
src0 = __lasx_xvldrepl_d(src + filterPos[0], 0);
filter0 = __lasx_xvld(filter, 0);
src0 = __lasx_vext2xv_hu_bu(src0);
src0 = __lasx_xvdp2_w_h(filter0, src0);
src0 = __lasx_xvhaddw_d_w(src0, src0);
src0 = __lasx_xvhaddw_q_d(src0, src0);
val = __lasx_xvpickve2gr_w(src0, 0);
dst[0] = FFMIN(val >> 7, max);
}
} else if (filterSize == 4) {
__m256i src0, src1, src2, src3, src4, src5, src6, src7;
__m256i src8, src9, src10, src11, src12, src13, src14, src15;
__m256i filter0, filter1, filter2, filter3;
__m256i vmax = __lasx_xvreplgr2vr_w(max);
__m256i shuf = {0x0000000400000000, 0x0000000500000001,
0x0000000600000002, 0x0000000700000003};
int len = dstW >> 4;
int res = dstW & 15;
while (len--) {
SCALE_4_16(7);
}
if (res & 8) {
SCALE_4_8(7);
src0 = __lasx_xvpickev_h(src1, src0);
src0 = __lasx_xvperm_w(src0, shuf);
__lasx_xvstelm_d(src0, dst, 0, 0);
__lasx_xvstelm_d(src0, dst, 8, 1);
dst += 8;
}
if (res & 4) {
SCALE_4_4(7);
src0 = __lasx_xvpickev_h(src0, src0);
__lasx_xvstelm_d(src0, dst, 0, 0);
dst += 4;
}
if (res & 2) {
SCALE_4_2(7);
}
if (res & 1) {
int val = 0;
const uint8_t *srcPos = src + filterPos[0];
for (int j = 0; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[0] = FFMIN(val >> 7, max);
}
} else if (filterSize > 8) {
int filterlen = filterSize - 7;
int len = dstW >> 2;
int res = dstW & 3;
__m256i zero = __lasx_xvldi(0);
while (len--) {
__m256i src0, src1, src2, src3;
__m256i filter0, filter1, filter2, filter3, out0, out1;
__m256i out = zero;
const uint8_t *srcPos1 = src + filterPos[0];
const uint8_t *srcPos2 = src + filterPos[1];
const uint8_t *srcPos3 = src + filterPos[2];
const uint8_t *srcPos4 = src + filterPos[3];
const int16_t *filterStart1 = filter;
const int16_t *filterStart2 = filterStart1 + filterSize;
const int16_t *filterStart3 = filterStart2 + filterSize;
const int16_t *filterStart4 = filterStart3 + filterSize;
int j, val1 = 0, val2 = 0, val3 = 0, val4 = 0;
for (j = 0; j < filterlen; j += 8) {
SCALE_16
}
val1 = __lasx_xvpickve2gr_w(out, 0);
val2 = __lasx_xvpickve2gr_w(out, 4);
val3 = __lasx_xvpickve2gr_w(out, 2);
val4 = __lasx_xvpickve2gr_w(out, 6);
for (; j < filterSize; j++) {
val1 += ((int)srcPos1[j]) * filterStart1[j];
val2 += ((int)srcPos2[j]) * filterStart2[j];
val3 += ((int)srcPos3[j]) * filterStart3[j];
val4 += ((int)srcPos4[j]) * filterStart4[j];
}
dst[0] = FFMIN(val1 >> 7, max);
dst[1] = FFMIN(val2 >> 7, max);
dst[2] = FFMIN(val3 >> 7, max);
dst[3] = FFMIN(val4 >> 7, max);
dst += 4;
filterPos += 4;
filter = filterStart4 + filterSize;
}
for(i = 0; i < res; i++) {
int j, val = 0;
const uint8_t *srcPos = src + filterPos[i];
__m256i src1, filter0, out0;
for (j = 0; j < filterlen; j += 8) {
src1 = __lasx_xvldrepl_d((srcPos + j), 0);
filter0 = __lasx_xvld(filter + j, 0);
src1 = __lasx_xvilvl_b(zero, src1);
out0 = __lasx_xvdp2_w_h(filter0, src1);
out0 = __lasx_xvhaddw_d_w(out0, out0);
out0 = __lasx_xvhaddw_q_d(out0, out0);
val += __lasx_xvpickve2gr_w(out0, 0);
}
for (; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[i] = FFMIN(val >> 7, max);
filter += filterSize;
}
} else {
for (i = 0; i < dstW; i++) {
int val = 0;
const uint8_t *srcPos = src + filterPos[i];
for (int j = 0; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[i] = FFMIN(val >> 7, max);
filter += filterSize;
}
}
}
void ff_hscale_8_to_19_lasx(SwsInternal *c, int16_t *_dst, int dstW,
const uint8_t *src, const int16_t *filter,
const int32_t *filterPos, int filterSize)
{
int i;
int max = (1 << 19) - 1;
int32_t *dst = (int32_t *) _dst;
if (filterSize == 8) {
__m256i src0, src1, src2, src3, src4, src5, src6, src7;
__m256i filter0, filter1, filter2, filter3;
__m256i vmax = __lasx_xvreplgr2vr_w(max);
__m256i shuf = {0x0000000400000000, 0x0000000500000001,
0x0000000600000002, 0x0000000700000003};
int len = dstW >> 3;
int res = dstW & 7;
while (len--) {
SCALE_8_8(3);
__lasx_xvst(src0, dst, 0);
dst += 8;
}
if (res & 4) {
SCALE_8_4(3);
__lasx_xvstelm_d(src0, dst, 0, 0);
__lasx_xvstelm_d(src0, dst, 8, 1);
dst += 4;
}
if (res & 2) {
SCALE_8_2(3);
}
if (res & 1) {
int val = 0;
__m256i src0, filter0, out0;
src0 = __lasx_xvldrepl_d(src + filterPos[0], 0);
filter0 = __lasx_xvld(filter, 0);
src0 = __lasx_vext2xv_hu_bu(src0);
out0 = __lasx_xvdp2_w_h(filter0, src0);
out0 = __lasx_xvhaddw_d_w(out0, out0);
out0 = __lasx_xvhaddw_q_d(out0, out0);
val = __lasx_xvpickve2gr_w(out0, 0);
dst[0] = FFMIN(val >> 3, max);
}
} else if (filterSize == 4) {
__m256i src0, src1, src2, src3, src4, src5, src6, src7;
__m256i filter0, filter1;
__m256i vmax = __lasx_xvreplgr2vr_w(max);
__m256i shuf = {0x0000000100000000, 0x0000000500000004,
0x0000000300000002, 0x0000000700000006};
int len = dstW >> 3;
int res = dstW & 7;
while (len--) {
SCALE_4_8(3);
src0 = __lasx_xvperm_w(src0, shuf);
__lasx_xvst(src0, dst, 0);
dst += 8;
}
if (res & 4) {
SCALE_4_4(3);
__lasx_xvstelm_d(src0, dst, 0, 0);
__lasx_xvstelm_d(src0, dst, 8, 1);
dst += 4;
}
if (res & 2) {
SCALE_4_2(3);
}
if (res & 1) {
int val = 0;
const uint8_t *srcPos = src + filterPos[0];
for (int j = 0; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[0] = FFMIN(val >> 3, max);
}
} else if (filterSize > 8) {
int len = dstW >> 2;
int res = dstW & 3;
int filterlen = filterSize - 7;
__m256i zero = __lasx_xvldi(0);
while (len--) {
__m256i src0, src1, src2, src3;
__m256i filter0, filter1, filter2, filter3, out0, out1;
__m256i out = zero;
const uint8_t *srcPos1 = src + filterPos[0];
const uint8_t *srcPos2 = src + filterPos[1];
const uint8_t *srcPos3 = src + filterPos[2];
const uint8_t *srcPos4 = src + filterPos[3];
const int16_t *filterStart1 = filter;
const int16_t *filterStart2 = filterStart1 + filterSize;
const int16_t *filterStart3 = filterStart2 + filterSize;
const int16_t *filterStart4 = filterStart3 + filterSize;
int j, val1 = 0, val2 = 0, val3 = 0, val4 = 0;
for (j = 0; j < filterlen; j += 8) {
SCALE_16
}
val1 = __lasx_xvpickve2gr_w(out, 0);
val2 = __lasx_xvpickve2gr_w(out, 4);
val3 = __lasx_xvpickve2gr_w(out, 2);
val4 = __lasx_xvpickve2gr_w(out, 6);
for (; j < filterSize; j++) {
val1 += ((int)srcPos1[j]) * filterStart1[j];
val2 += ((int)srcPos2[j]) * filterStart2[j];
val3 += ((int)srcPos3[j]) * filterStart3[j];
val4 += ((int)srcPos4[j]) * filterStart4[j];
}
dst[0] = FFMIN(val1 >> 3, max);
dst[1] = FFMIN(val2 >> 3, max);
dst[2] = FFMIN(val3 >> 3, max);
dst[3] = FFMIN(val4 >> 3, max);
dst += 4;
filterPos += 4;
filter = filterStart4 + filterSize;
}
for (i = 0; i < res; i++) {
int j, val = 0;
const uint8_t *srcPos = src + filterPos[i];
__m256i src1, filter0, out0;
for (j = 0; j < filterlen; j += 8) {
src1 = __lasx_xvldrepl_d((srcPos + j), 0);
filter0 = __lasx_xvld(filter + j, 0);
src1 = __lasx_xvilvl_b(zero, src1);
out0 = __lasx_xvdp2_w_h(filter0, src1);
out0 = __lasx_xvhaddw_d_w(out0, out0);
out0 = __lasx_xvhaddw_q_d(out0, out0);
val += __lasx_xvpickve2gr_w(out0, 0);
}
for (; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[i] = FFMIN(val >> 3, max);
filter += filterSize;
}
} else {
for (i = 0; i < dstW; i++) {
int val = 0;
const uint8_t *srcPos = src + filterPos[i];
for (int j = 0; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[i] = FFMIN(val >> 3, max);
filter += filterSize;
}
}
}
#undef SCALE_16
#define SCALE_8 \
{ \
__m256i src0, src1, src2, src3, filter0, filter1, out0, out1; \
DUP4_ARG2(__lasx_xvld, src + filterPos[0], 0, src + filterPos[1], 0, \
src + filterPos[2], 0, src + filterPos[3], 0, src0, src1, src2,\
src3); \
filter0 = __lasx_xvld(filter, 0); \
filter1 = __lasx_xvld(filter, 32); \
src0 = __lasx_xvpermi_q(src0, src1, 0x02); \
src2 = __lasx_xvpermi_q(src2, src3, 0x02); \
out0 = __lasx_xvdp2_w_hu_h(src0, filter0); \
out1 = __lasx_xvdp2_w_hu_h(src2, filter1); \
src0 = __lasx_xvhaddw_d_w(out0, out0); \
src1 = __lasx_xvhaddw_d_w(out1, out1); \
out0 = __lasx_xvpackev_d(src1, src0); \
out1 = __lasx_xvpackod_d(src1, src0); \
out0 = __lasx_xvadd_w(out0, out1); \
out0 = __lasx_xvsra_w(out0, shift); \
out0 = __lasx_xvmin_w(out0, v_max); \
dst[0] = __lasx_xvpickve2gr_w(out0, 0); \
dst[1] = __lasx_xvpickve2gr_w(out0, 4); \
dst[2] = __lasx_xvpickve2gr_w(out0, 2); \
dst[3] = __lasx_xvpickve2gr_w(out0, 6); \
filterPos += 4; \
filter += 32; \
dst += 4; \
}
#define SCALE_16 \
{ \
int dex = j << 1; \
DUP4_ARG2(__lasx_xvldx, srcPos1, dex, srcPos2, dex, srcPos3, dex, \
srcPos4, dex, src0, src1, src2, src3); \
DUP4_ARG2(__lasx_xvldx, filterStart1, dex, filterStart2, dex, \
filterStart3, dex, filterStart4, dex, filter0, \
filter1, filter2, filter3); \
src0 = __lasx_xvpermi_q(src0, src1, 0x02); \
src1 = __lasx_xvpermi_q(src2, src3, 0x02); \
filter0 = __lasx_xvpermi_q(filter0, filter1, 0x02); \
filter1 = __lasx_xvpermi_q(filter2, filter3, 0x02); \
out0 = __lasx_xvdp2_w_hu_h(src0, filter0); \
out1 = __lasx_xvdp2_w_hu_h(src1, filter1); \
src0 = __lasx_xvhaddw_d_w(out0, out0); \
src1 = __lasx_xvhaddw_d_w(out1, out1); \
out0 = __lasx_xvpackev_d(src1, src0); \
out1 = __lasx_xvpackod_d(src1, src0); \
out0 = __lasx_xvadd_w(out0, out1); \
out = __lasx_xvadd_w(out, out0); \
}
void ff_hscale_16_to_15_lasx(SwsInternal *c, int16_t *dst, int dstW,
const uint8_t *_src, const int16_t *filter,
const int32_t *filterPos, int filterSize)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
int i;
const uint16_t *src = (const uint16_t *) _src;
int sh = desc->comp[0].depth - 1;
int max = (1 << 15) - 1;
int len = dstW >> 2;
int res = dstW & 3;
__m256i shift;
__m256i zero = __lasx_xvldi(0);
if (sh < 15) {
sh = isAnyRGB(c->srcFormat) || c->srcFormat==AV_PIX_FMT_PAL8 ? 13 :
(desc->comp[0].depth - 1);
} else if (desc->flags && AV_PIX_FMT_FLAG_FLOAT) {
sh = 15;
}
shift = __lasx_xvreplgr2vr_w(sh);
if (filterSize == 8) {
__m256i v_max = __lasx_xvreplgr2vr_w(max);
for (i = 0; i < len; i++) {
SCALE_8
}
for (i = 0; i < res; i++) {
int val = 0;
__m256i src0, filter0, out0;
src0 = __lasx_xvld(src + filterPos[i], 0);
filter0 = __lasx_xvld(filter, 0);
out0 = __lasx_xvdp2_w_hu_h(src0, filter0);
out0 = __lasx_xvhaddw_d_w(out0, out0);
out0 = __lasx_xvhaddw_q_d(out0, out0);
val = __lasx_xvpickve2gr_w(out0, 0);
dst[i] = FFMIN(val >> sh, max);
filter += 8;
}
} else if (filterSize == 4) {
__m256i v_max = __lasx_xvreplgr2vr_w(max);
for (i = 0; i < len; i++) {
__m256i src1, src2, src3, src4, src0, filter0, out0;
src1 = __lasx_xvldrepl_d(src + filterPos[0], 0);
src2 = __lasx_xvldrepl_d(src + filterPos[1], 0);
src3 = __lasx_xvldrepl_d(src + filterPos[2], 0);
src4 = __lasx_xvldrepl_d(src + filterPos[3], 0);
filter0 = __lasx_xvld(filter, 0);
src1 = __lasx_xvextrins_d(src1, src2, 0x10);
src3 = __lasx_xvextrins_d(src3, src4, 0x10);
src0 = __lasx_xvpermi_q(src1, src3, 0x02);
out0 = __lasx_xvdp2_w_hu_h(src0, filter0);
out0 = __lasx_xvhaddw_d_w(out0, out0);
out0 = __lasx_xvsra_w(out0, shift);
out0 = __lasx_xvmin_w(out0, v_max);
dst[0] = __lasx_xvpickve2gr_w(out0, 0);
dst[1] = __lasx_xvpickve2gr_w(out0, 2);
dst[2] = __lasx_xvpickve2gr_w(out0, 4);
dst[3] = __lasx_xvpickve2gr_w(out0, 6);
dst += 4;
filterPos += 4;
filter += 16;
}
for (i = 0; i < res; i++) {
int val = 0;
const uint16_t *srcPos = src + filterPos[i];
for (int j = 0; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[i] = FFMIN(val >> sh, max);
filter += 4;
}
} else if (filterSize > 8) {
int filterlen = filterSize - 7;
for (i = 0; i < len; i++) {
__m256i src0, src1, src2, src3;
__m256i filter0, filter1, filter2, filter3, out0, out1;
__m256i out = zero;
const uint16_t *srcPos1 = src + filterPos[0];
const uint16_t *srcPos2 = src + filterPos[1];
const uint16_t *srcPos3 = src + filterPos[2];
const uint16_t *srcPos4 = src + filterPos[3];
const int16_t *filterStart1 = filter;
const int16_t *filterStart2 = filterStart1 + filterSize;
const int16_t *filterStart3 = filterStart2 + filterSize;
const int16_t *filterStart4 = filterStart3 + filterSize;
int j, val1 = 0, val2 = 0, val3 = 0, val4 = 0;
for (j = 0; j < filterlen; j += 8) {
SCALE_16
}
val1 = __lasx_xvpickve2gr_w(out, 0);
val2 = __lasx_xvpickve2gr_w(out, 4);
val3 = __lasx_xvpickve2gr_w(out, 2);
val4 = __lasx_xvpickve2gr_w(out, 6);
for (; j < filterSize; j++) {
val1 += ((int)srcPos1[j]) * filterStart1[j];
val2 += ((int)srcPos2[j]) * filterStart2[j];
val3 += ((int)srcPos3[j]) * filterStart3[j];
val4 += ((int)srcPos4[j]) * filterStart4[j];
}
dst[0] = FFMIN(val1 >> sh, max);
dst[1] = FFMIN(val2 >> sh, max);
dst[2] = FFMIN(val3 >> sh, max);
dst[3] = FFMIN(val4 >> sh, max);
dst += 4;
filterPos += 4;
filter = filterStart4 + filterSize;
}
for (i = 0; i < res; i++) {
int j, val = 0;
const uint16_t *srcPos = src + filterPos[i];
__m256i src0, filter0, out0;
for (j = 0; j < filterlen; j += 8) {
int dex = j << 1;
src0 = __lasx_xvldx(srcPos, dex);
filter0 = __lasx_xvldx(filter, dex);
out0 = __lasx_xvdp2_w_hu_h(src0, filter0);
out0 = __lasx_xvhaddw_d_w(out0, out0);
out0 = __lasx_xvhaddw_q_d(out0, out0);
val += __lasx_xvpickve2gr_w(out0, 0);
}
for (; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[i] = FFMIN(val >> sh, max);
filter += filterSize;
}
} else {
for (i = 0; i < dstW; i++) {
int val = 0;
const uint16_t *srcPos = src + filterPos[i];
for (int j = 0; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[i] = FFMIN(val >> sh, max);
filter += filterSize;
}
}
}
void ff_hscale_16_to_19_lasx(SwsInternal *c, int16_t *_dst, int dstW,
const uint8_t *_src, const int16_t *filter,
const int32_t *filterPos, int filterSize)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
int i;
int32_t *dst = (int32_t *) _dst;
const uint16_t *src = (const uint16_t *) _src;
int sh = desc->comp[0].depth - 5;
int max = (1 << 19) - 1;
int len = dstW >> 2;
int res = dstW & 3;
__m256i shift;
__m256i zero = __lasx_xvldi(0);
if ((isAnyRGB(c->srcFormat) || c->srcFormat == AV_PIX_FMT_PAL8)
&& desc->comp[0].depth<16) {
sh = 9;
} else if (desc->flags & AV_PIX_FMT_FLAG_FLOAT) {
sh = 11;
}
shift = __lasx_xvreplgr2vr_w(sh);
if (filterSize == 8) {
__m256i v_max = __lasx_xvreplgr2vr_w(max);
for (i = 0; i < len; i++) {
SCALE_8
}
for (i = 0; i < res; i++) {
int val = 0;
__m256i src0, filter0, out0;
src0 = __lasx_xvld(src + filterPos[i], 0);
filter0 = __lasx_xvld(filter, 0);
out0 = __lasx_xvdp2_w_hu_h(src0, filter0);
out0 = __lasx_xvhaddw_d_w(out0, out0);
out0 = __lasx_xvhaddw_q_d(out0, out0);
val = __lasx_xvpickve2gr_w(out0, 0);
dst[i] = FFMIN(val >> sh, max);
filter += 8;
}
} else if (filterSize == 4) {
__m256i v_max = __lasx_xvreplgr2vr_w(max);
for (i = 0; i < len; i++) {
__m256i src1, src2, src3, src4, src0, filter0, out0;
src1 = __lasx_xvldrepl_d(src + filterPos[0], 0);
src2 = __lasx_xvldrepl_d(src + filterPos[1], 0);
src3 = __lasx_xvldrepl_d(src + filterPos[2], 0);
src4 = __lasx_xvldrepl_d(src + filterPos[3], 0);
filter0 = __lasx_xvld(filter, 0);
src1 = __lasx_xvextrins_d(src1, src2, 0x10);
src3 = __lasx_xvextrins_d(src3, src4, 0x10);
src0 = __lasx_xvpermi_q(src1, src3, 0x02);
out0 = __lasx_xvdp2_w_hu_h(src0, filter0);
out0 = __lasx_xvhaddw_d_w(out0, out0);
out0 = __lasx_xvsra_w(out0, shift);
out0 = __lasx_xvmin_w(out0, v_max);
dst[0] = __lasx_xvpickve2gr_w(out0, 0);
dst[1] = __lasx_xvpickve2gr_w(out0, 2);
dst[2] = __lasx_xvpickve2gr_w(out0, 4);
dst[3] = __lasx_xvpickve2gr_w(out0, 6);
dst += 4;
filterPos += 4;
filter += 16;
}
for (i = 0; i < res; i++) {
int val = 0;
const uint16_t *srcPos = src + filterPos[i];
for (int j = 0; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[i] = FFMIN(val >> sh, max);
filter += 4;
}
} else if (filterSize > 8) {
int filterlen = filterSize - 7;
for (i = 0; i < len; i ++) {
__m256i src0, src1, src2, src3;
__m256i filter0, filter1, filter2, filter3, out0, out1;
__m256i out = zero;
const uint16_t *srcPos1 = src + filterPos[0];
const uint16_t *srcPos2 = src + filterPos[1];
const uint16_t *srcPos3 = src + filterPos[2];
const uint16_t *srcPos4 = src + filterPos[3];
const int16_t *filterStart1 = filter;
const int16_t *filterStart2 = filterStart1 + filterSize;
const int16_t *filterStart3 = filterStart2 + filterSize;
const int16_t *filterStart4 = filterStart3 + filterSize;
int j, val1 = 0, val2 = 0, val3 = 0, val4 = 0;
for (j = 0; j < filterlen; j += 8) {
SCALE_16
}
val1 = __lasx_xvpickve2gr_w(out, 0);
val2 = __lasx_xvpickve2gr_w(out, 4);
val3 = __lasx_xvpickve2gr_w(out, 2);
val4 = __lasx_xvpickve2gr_w(out, 6);
for (; j < filterSize; j++) {
val1 += ((int)srcPos1[j]) * filterStart1[j];
val2 += ((int)srcPos2[j]) * filterStart2[j];
val3 += ((int)srcPos3[j]) * filterStart3[j];
val4 += ((int)srcPos4[j]) * filterStart4[j];
}
dst[0] = FFMIN(val1 >> sh, max);
dst[1] = FFMIN(val2 >> sh, max);
dst[2] = FFMIN(val3 >> sh, max);
dst[3] = FFMIN(val4 >> sh, max);
dst += 4;
filterPos += 4;
filter = filterStart4 + filterSize;
}
for (i = 0; i < res; i++) {
int j, val = 0;
const uint16_t *srcPos = src + filterPos[i];
__m256i src0, filter0, out0;
for (j = 0; j < filterlen; j += 8) {
int dex = j << 1;
src0 = __lasx_xvldx(srcPos, dex);
filter0 = __lasx_xvldx(filter, dex);
out0 = __lasx_xvdp2_w_hu_h(src0, filter0);
out0 = __lasx_xvhaddw_d_w(out0, out0);
out0 = __lasx_xvhaddw_q_d(out0, out0);
val += __lasx_xvpickve2gr_w(out0, 0);
}
for (; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[i] = FFMIN(val >> sh, max);
filter += filterSize;
}
} else {
for (i = 0; i < dstW; i++) {
int val = 0;
const uint16_t *srcPos = src + filterPos[i];
for (int j = 0; j < filterSize; j++) {
val += ((int)srcPos[j]) * filter[j];
}
dst[i] = FFMIN(val >> sh, max);
filter += filterSize;
}
}
}
#undef SCALE_8
#undef SCALE_16