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/*
* 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 "libswscale/swscale_internal.h"
#include "libswscale/rgb2rgb.h"
#include "libavutil/loongarch/cpu.h"
av_cold void ff_sws_init_swscale_loongarch(SwsContext *c)
{
int cpu_flags = av_get_cpu_flags();
if (have_lsx(cpu_flags)) {
ff_sws_init_output_lsx(c);
if (c->srcBpc == 8) {
if (c->dstBpc <= 14) {
c->hyScale = c->hcScale = ff_hscale_8_to_15_lsx;
} else {
c->hyScale = c->hcScale = ff_hscale_8_to_19_lsx;
}
} else {
c->hyScale = c->hcScale = c->dstBpc > 14 ? ff_hscale_16_to_19_lsx
: ff_hscale_16_to_15_lsx;
}
switch (c->srcFormat) {
case AV_PIX_FMT_GBRAP:
case AV_PIX_FMT_GBRP:
{
c->readChrPlanar = planar_rgb_to_uv_lsx;
c->readLumPlanar = planar_rgb_to_y_lsx;
}
break;
}
if (c->dstBpc == 8)
c->yuv2planeX = ff_yuv2planeX_8_lsx;
}
#if HAVE_LASX
if (have_lasx(cpu_flags)) {
ff_sws_init_output_lasx(c);
if (c->srcBpc == 8) {
if (c->dstBpc <= 14) {
c->hyScale = c->hcScale = ff_hscale_8_to_15_lasx;
} else {
c->hyScale = c->hcScale = ff_hscale_8_to_19_lasx;
}
} else {
c->hyScale = c->hcScale = c->dstBpc > 14 ? ff_hscale_16_to_19_lasx
: ff_hscale_16_to_15_lasx;
}
switch (c->srcFormat) {
case AV_PIX_FMT_GBRAP:
case AV_PIX_FMT_GBRP:
{
c->readChrPlanar = planar_rgb_to_uv_lasx;
c->readLumPlanar = planar_rgb_to_y_lasx;
}
break;
}
if (c->dstBpc == 8)
c->yuv2planeX = ff_yuv2planeX_8_lasx;
}
#endif // #if HAVE_LASX
}
av_cold void rgb2rgb_init_loongarch(void)
{
#if HAVE_LASX
int cpu_flags = av_get_cpu_flags();
if (have_lasx(cpu_flags))
interleaveBytes = ff_interleave_bytes_lasx;
#endif // #if HAVE_LASX
}
av_cold SwsFunc ff_yuv2rgb_init_loongarch(SwsContext *c)
{
int cpu_flags = av_get_cpu_flags();
#if HAVE_LASX
if (have_lasx(cpu_flags)) {
switch (c->dstFormat) {
case AV_PIX_FMT_RGB24:
return yuv420_rgb24_lasx;
case AV_PIX_FMT_BGR24:
return yuv420_bgr24_lasx;
case AV_PIX_FMT_RGBA:
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) {
break;
} else
return yuv420_rgba32_lasx;
case AV_PIX_FMT_ARGB:
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) {
break;
} else
return yuv420_argb32_lasx;
case AV_PIX_FMT_BGRA:
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) {
break;
} else
return yuv420_bgra32_lasx;
case AV_PIX_FMT_ABGR:
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) {
break;
} else
return yuv420_abgr32_lasx;
}
}
#endif // #if HAVE_LASX
if (have_lsx(cpu_flags)) {
switch (c->dstFormat) {
case AV_PIX_FMT_RGB24:
return yuv420_rgb24_lsx;
case AV_PIX_FMT_BGR24:
return yuv420_bgr24_lsx;
case AV_PIX_FMT_RGBA:
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) {
break;
} else
return yuv420_rgba32_lsx;
case AV_PIX_FMT_ARGB:
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) {
break;
} else
return yuv420_argb32_lsx;
case AV_PIX_FMT_BGRA:
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) {
break;
} else
return yuv420_bgra32_lsx;
case AV_PIX_FMT_ABGR:
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) {
break;
} else
return yuv420_abgr32_lsx;
}
}
return NULL;
}
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