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/*
* Copyright (c) 2021 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 "idctdsp_loongarch.h"
#include "libavutil/loongarch/loongson_intrinsics.h"
void ff_put_pixels_clamped_lasx(const int16_t *block,
uint8_t *av_restrict pixels,
ptrdiff_t stride)
{
__m256i b0, b1, b2, b3;
__m256i temp0, temp1;
ptrdiff_t stride_2x = stride << 1;
ptrdiff_t stride_4x = stride << 2;
ptrdiff_t stride_3x = stride_2x + stride;
DUP4_ARG2(__lasx_xvld, block, 0, block, 32, block, 64, block, 96,
b0, b1, b2, b3);
DUP4_ARG1(__lasx_xvclip255_h, b0, b1, b2, b3, b0, b1, b2, b3);
DUP2_ARG2(__lasx_xvpickev_b, b1, b0, b3, b2, temp0, temp1);
__lasx_xvstelm_d(temp0, pixels, 0, 0);
__lasx_xvstelm_d(temp0, pixels + stride, 0, 2);
__lasx_xvstelm_d(temp0, pixels + stride_2x, 0, 1);
__lasx_xvstelm_d(temp0, pixels + stride_3x, 0, 3);
pixels += stride_4x;
__lasx_xvstelm_d(temp1, pixels, 0, 0);
__lasx_xvstelm_d(temp1, pixels + stride, 0, 2);
__lasx_xvstelm_d(temp1, pixels + stride_2x, 0, 1);
__lasx_xvstelm_d(temp1, pixels + stride_3x, 0, 3);
}
void ff_put_signed_pixels_clamped_lasx(const int16_t *block,
uint8_t *av_restrict pixels,
ptrdiff_t stride)
{
__m256i b0, b1, b2, b3;
__m256i temp0, temp1;
__m256i const_128 = {0x0080008000800080, 0x0080008000800080,
0x0080008000800080, 0x0080008000800080};
ptrdiff_t stride_2x = stride << 1;
ptrdiff_t stride_4x = stride << 2;
ptrdiff_t stride_3x = stride_2x + stride;
DUP4_ARG2(__lasx_xvld, block, 0, block, 32, block, 64, block, 96,
b0, b1, b2, b3);
DUP4_ARG2(__lasx_xvadd_h, b0, const_128, b1, const_128, b2, const_128,
b3, const_128, b0, b1, b2, b3);
DUP4_ARG1(__lasx_xvclip255_h, b0, b1, b2, b3, b0, b1, b2, b3);
DUP2_ARG2(__lasx_xvpickev_b, b1, b0, b3, b2, temp0, temp1);
__lasx_xvstelm_d(temp0, pixels, 0, 0);
__lasx_xvstelm_d(temp0, pixels + stride, 0, 2);
__lasx_xvstelm_d(temp0, pixels + stride_2x, 0, 1);
__lasx_xvstelm_d(temp0, pixels + stride_3x, 0, 3);
pixels += stride_4x;
__lasx_xvstelm_d(temp1, pixels, 0, 0);
__lasx_xvstelm_d(temp1, pixels + stride, 0, 2);
__lasx_xvstelm_d(temp1, pixels + stride_2x, 0, 1);
__lasx_xvstelm_d(temp1, pixels + stride_3x, 0, 3);
}
void ff_add_pixels_clamped_lasx(const int16_t *block,
uint8_t *av_restrict pixels,
ptrdiff_t stride)
{
__m256i b0, b1, b2, b3;
__m256i p0, p1, p2, p3, p4, p5, p6, p7;
__m256i temp0, temp1, temp2, temp3;
uint8_t *pix = pixels;
ptrdiff_t stride_2x = stride << 1;
ptrdiff_t stride_4x = stride << 2;
ptrdiff_t stride_3x = stride_2x + stride;
DUP4_ARG2(__lasx_xvld, block, 0, block, 32, block, 64, block, 96,
b0, b1, b2, b3);
p0 = __lasx_xvldrepl_d(pix, 0);
pix += stride;
p1 = __lasx_xvldrepl_d(pix, 0);
pix += stride;
p2 = __lasx_xvldrepl_d(pix, 0);
pix += stride;
p3 = __lasx_xvldrepl_d(pix, 0);
pix += stride;
p4 = __lasx_xvldrepl_d(pix, 0);
pix += stride;
p5 = __lasx_xvldrepl_d(pix, 0);
pix += stride;
p6 = __lasx_xvldrepl_d(pix, 0);
pix += stride;
p7 = __lasx_xvldrepl_d(pix, 0);
DUP4_ARG3(__lasx_xvpermi_q, p1, p0, 0x20, p3, p2, 0x20, p5, p4, 0x20,
p7, p6, 0x20, temp0, temp1, temp2, temp3);
DUP4_ARG2(__lasx_xvaddw_h_h_bu, b0, temp0, b1, temp1, b2, temp2, b3, temp3,
temp0, temp1, temp2, temp3);
DUP4_ARG1(__lasx_xvclip255_h, temp0, temp1, temp2, temp3,
temp0, temp1, temp2, temp3);
DUP2_ARG2(__lasx_xvpickev_b, temp1, temp0, temp3, temp2, temp0, temp1);
__lasx_xvstelm_d(temp0, pixels, 0, 0);
__lasx_xvstelm_d(temp0, pixels + stride, 0, 2);
__lasx_xvstelm_d(temp0, pixels + stride_2x, 0, 1);
__lasx_xvstelm_d(temp0, pixels + stride_3x, 0, 3);
pixels += stride_4x;
__lasx_xvstelm_d(temp1, pixels, 0, 0);
__lasx_xvstelm_d(temp1, pixels + stride, 0, 2);
__lasx_xvstelm_d(temp1, pixels + stride_2x, 0, 1);
__lasx_xvstelm_d(temp1, pixels + stride_3x, 0, 3);
}
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