mirror of https://git.ffmpeg.org/ffmpeg.git
389 lines
12 KiB
ArmAsm
389 lines
12 KiB
ArmAsm
/*
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* Loongson LSX optimized swscale
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*
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* Copyright (c) 2023 Loongson Technology Corporation Limited
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* Contributed by Lu Wang <wanglu@loongson.cn>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavcodec/loongarch/loongson_asm.S"
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/* static void yuv2planeX_8_lsx(const int16_t *filter, int filterSize,
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* const int16_t **src, uint8_t *dest, int dstW,
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* const uint8_t *dither, int offset)
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*/
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function yuv2planeX_8_lsx
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addi.w t1, a6, 1
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addi.w t2, a6, 2
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addi.w t3, a6, 3
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addi.w t4, a6, 4
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addi.w t5, a6, 5
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addi.w t6, a6, 6
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addi.w t7, a6, 7
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andi t0, a6, 7
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andi t1, t1, 7
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andi t2, t2, 7
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andi t3, t3, 7
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andi t4, t4, 7
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andi t5, t5, 7
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andi t6, t6, 7
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andi t7, t7, 7
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ldx.bu t0, a5, t0
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ldx.bu t1, a5, t1
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ldx.bu t2, a5, t2
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ldx.bu t3, a5, t3
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ldx.bu t4, a5, t4
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ldx.bu t5, a5, t5
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ldx.bu t6, a5, t6
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ldx.bu t7, a5, t7
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vreplgr2vr.w vr0, t0
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vreplgr2vr.w vr1, t1
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vreplgr2vr.w vr2, t2
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vreplgr2vr.w vr3, t3
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vreplgr2vr.w vr4, t4
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vreplgr2vr.w vr5, t5
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vreplgr2vr.w vr6, t6
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vreplgr2vr.w vr7, t7
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vilvl.w vr0, vr2, vr0
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vilvl.w vr4, vr6, vr4
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vilvl.w vr1, vr3, vr1
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vilvl.w vr5, vr7, vr5
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vilvl.d vr12, vr4, vr0
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vilvl.d vr13, vr5, vr1
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li.w t5, 0
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li.w t8, 8
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bge a4, t8, .WIDTH8
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blt zero, a4, .WIDTH
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b .END
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.WIDTH8:
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li.d t1, 0
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li.d t4, 0
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vslli.w vr2, vr12, 12
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vslli.w vr3, vr13, 12
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move t3, a0
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.FILTERSIZE8:
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ldx.d t2, a2, t1
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vldx vr4, t2, t5
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vldrepl.h vr5, t3, 0
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vmaddwev.w.h vr2, vr4, vr5
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vmaddwod.w.h vr3, vr4, vr5
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addi.d t1, t1, 8
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addi.d t3, t3, 2
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addi.d t4, t4, 1
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blt t4, a1, .FILTERSIZE8
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vsrai.w vr2, vr2, 19
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vsrai.w vr3, vr3, 19
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vclip255.w vr2, vr2
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vclip255.w vr3, vr3
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vpickev.h vr2, vr3, vr2
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vpickev.b vr2, vr2, vr2
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vbsrl.v vr3, vr2, 4
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vilvl.b vr2, vr3, vr2
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fst.d f2, a3, 0
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addi.d t5, t5, 16
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addi.d a4, a4, -8
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addi.d a3, a3, 8
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bge a4, t8, .WIDTH8
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blt zero, a4, .WIDTH
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b .END
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.WIDTH:
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li.d t1, 0
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li.d t4, 0
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vslli.w vr2, vr12, 12
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vslli.w vr3, vr13, 12
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.FILTERSIZE:
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ldx.d t2, a2, t1
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vldx vr4, t2, t5
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vldrepl.h vr5, a0, 0
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vmaddwev.w.h vr2, vr4, vr5
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vmaddwod.w.h vr3, vr4, vr5
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addi.d t1, t1, 8
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addi.d a0, a0, 2
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addi.d t4, t4, 1
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blt t4, a1, .FILTERSIZE
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vsrai.w vr2, vr2, 19
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vsrai.w vr3, vr3, 19
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vclip255.w vr2, vr2
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vclip255.w vr3, vr3
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vpickev.h vr2, vr3, vr2
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vpickev.b vr2, vr2, vr2
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vbsrl.v vr3, vr2, 4
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vilvl.b vr2, vr3, vr2
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.DEST:
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vstelm.b vr2, a3, 0, 0
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vbsrl.v vr2, vr2, 1
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addi.d a4, a4, -1
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addi.d a3, a3, 1
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blt zero, a4, .DEST
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.END:
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endfunc
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/*
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* void yuv2plane1_8_lsx(const int16_t *src, uint8_t *dest, int dstW,
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* const uint8_t *dither, int offset)
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*/
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function yuv2plane1_8_lsx
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addi.w t1, a4, 1
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addi.w t2, a4, 2
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addi.w t3, a4, 3
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addi.w t4, a4, 4
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addi.w t5, a4, 5
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addi.w t6, a4, 6
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addi.w t7, a4, 7
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andi t0, a4, 7
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andi t1, t1, 7
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andi t2, t2, 7
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andi t3, t3, 7
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andi t4, t4, 7
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andi t5, t5, 7
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andi t6, t6, 7
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andi t7, t7, 7
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ldx.bu t0, a3, t0
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ldx.bu t1, a3, t1
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ldx.bu t2, a3, t2
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ldx.bu t3, a3, t3
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ldx.bu t4, a3, t4
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ldx.bu t5, a3, t5
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ldx.bu t6, a3, t6
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ldx.bu t7, a3, t7
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vinsgr2vr.h vr1, t0, 0
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vinsgr2vr.h vr1, t1, 1
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vinsgr2vr.h vr1, t2, 2
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vinsgr2vr.h vr1, t3, 3
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vinsgr2vr.h vr1, t4, 4
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vinsgr2vr.h vr1, t5, 5
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vinsgr2vr.h vr1, t6, 6
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vinsgr2vr.h vr1, t7, 7
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vsub.h vr0, vr0, vr0
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vilvl.h vr2, vr0, vr1
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vilvh.h vr3, vr0, vr1
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andi t8, a2, 7
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srli.d a2, a2, 3
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beqz a2, 2f
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1:
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vld vr1, a0, 0
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addi.d a0, a0, 16
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vshuf4i.d vr0, vr1, 8
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vexth.w.h vr4, vr0
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vexth.w.h vr5, vr1
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vadd.w vr4, vr2, vr4
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vadd.w vr5, vr3, vr5
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vsrai.w vr4, vr4, 7
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vsrai.w vr5, vr5, 7
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vclip255.w vr4, vr4
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vclip255.w vr5, vr5
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vpickev.h vr1, vr5, vr4
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vpickev.b vr1, vr1, vr1
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fst.d f1, a1, 0
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addi.d a1, a1, 8
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addi.d a2, a2, -1
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bnez a2, 1b
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2:
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beqz t8, 4f
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3:
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add.w a4, a4, t8
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addi.w t1, a4, 1
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addi.w t2, a4, 2
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addi.w t3, a4, 3
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addi.w t4, a4, 4
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addi.w t5, a4, 5
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addi.w t6, a4, 6
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addi.w t7, a4, 7
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andi t0, a4, 7
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andi t1, t1, 7
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andi t2, t2, 7
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andi t3, t3, 7
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andi t4, t4, 7
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andi t5, t5, 7
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andi t6, t6, 7
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andi t7, t7, 7
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ldx.bu t0, a3, t0
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ldx.bu t1, a3, t1
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ldx.bu t2, a3, t2
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ldx.bu t3, a3, t3
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ldx.bu t4, a3, t4
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ldx.bu t5, a3, t5
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ldx.bu t6, a3, t6
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ldx.bu t7, a3, t7
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vinsgr2vr.h vr1, t0, 0
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vinsgr2vr.h vr1, t1, 1
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vinsgr2vr.h vr1, t2, 2
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vinsgr2vr.h vr1, t3, 3
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vinsgr2vr.h vr1, t4, 4
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vinsgr2vr.h vr1, t5, 5
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vinsgr2vr.h vr1, t6, 6
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vinsgr2vr.h vr1, t7, 7
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vsub.h vr0, vr0, vr0
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vilvl.h vr2, vr0, vr1
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vilvh.h vr3, vr0, vr1
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addi.d a0, a0, -16
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add.d a0, a0, t8
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add.d a0, a0, t8
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addi.d a1, a1, -8
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add.d a1, a1, t8
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vld vr1, a0, 0
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vshuf4i.d vr0, vr1, 8
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vexth.w.h vr4, vr0
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vexth.w.h vr5, vr1
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vadd.w vr4, vr2, vr4
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vadd.w vr5, vr3, vr5
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vsrai.w vr4, vr4, 7
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vsrai.w vr5, vr5, 7
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vclip255.w vr4, vr4
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vclip255.w vr5, vr5
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vpickev.h vr1, vr5, vr4
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vpickev.b vr1, vr1, vr1
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fst.d f1, a1, 0
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4:
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endfunc
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function yuv2plane1_8_lasx
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addi.w t1, a4, 1
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addi.w t2, a4, 2
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addi.w t3, a4, 3
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addi.w t4, a4, 4
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addi.w t5, a4, 5
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addi.w t6, a4, 6
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addi.w t7, a4, 7
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andi t0, a4, 7
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andi t1, t1, 7
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andi t2, t2, 7
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andi t3, t3, 7
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andi t4, t4, 7
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andi t5, t5, 7
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andi t6, t6, 7
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andi t7, t7, 7
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ldx.bu t0, a3, t0
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ldx.bu t1, a3, t1
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ldx.bu t2, a3, t2
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ldx.bu t3, a3, t3
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ldx.bu t4, a3, t4
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ldx.bu t5, a3, t5
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ldx.bu t6, a3, t6
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ldx.bu t7, a3, t7
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vinsgr2vr.h vr1, t0, 0
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vinsgr2vr.h vr1, t1, 1
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vinsgr2vr.h vr1, t2, 2
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vinsgr2vr.h vr1, t3, 3
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vinsgr2vr.h vr1, t4, 4
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vinsgr2vr.h vr1, t5, 5
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vinsgr2vr.h vr1, t6, 6
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vinsgr2vr.h vr1, t7, 7
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xvpermi.q xr1, xr1, 0
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xvsub.h xr0, xr0, xr0
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xvilvl.h xr2, xr0, xr1
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xvilvh.h xr3, xr0, xr1
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andi t8, a2, 15
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srli.d a2, a2, 4
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beqz a2, 2f
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1:
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xvld xr1, a0, 0
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addi.d a0, a0, 32
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xvpermi.d xr0, xr1, 0xa0
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xvexth.w.h xr4, xr0
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xvexth.w.h xr5, xr1
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xvadd.w xr4, xr2, xr4
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xvadd.w xr5, xr3, xr5
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xvsrai.w xr4, xr4, 7
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xvsrai.w xr5, xr5, 7
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xvclip255.w xr4, xr4
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xvclip255.w xr5, xr5
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xvpickev.h xr1, xr5, xr4
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xvpickev.b xr0, xr1, xr1
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xvpermi.q xr1, xr0, 1
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fst.d f0, a1, 0
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fst.d f1, a1, 8
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addi.d a1, a1, 16
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addi.d a2, a2, -1
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bnez a2, 1b
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2:
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beqz t8, 4f
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3:
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add.w a4, a4, t8
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addi.w t1, a4, 1
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addi.w t2, a4, 2
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addi.w t3, a4, 3
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addi.w t4, a4, 4
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addi.w t5, a4, 5
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addi.w t6, a4, 6
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addi.w t7, a4, 7
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andi t0, a4, 7
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andi t1, t1, 7
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andi t2, t2, 7
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andi t3, t3, 7
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andi t4, t4, 7
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andi t5, t5, 7
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andi t6, t6, 7
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andi t7, t7, 7
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ldx.bu t0, a3, t0
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ldx.bu t1, a3, t1
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ldx.bu t2, a3, t2
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ldx.bu t3, a3, t3
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ldx.bu t4, a3, t4
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ldx.bu t5, a3, t5
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ldx.bu t6, a3, t6
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ldx.bu t7, a3, t7
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vinsgr2vr.h vr1, t0, 0
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vinsgr2vr.h vr1, t1, 1
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vinsgr2vr.h vr1, t2, 2
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vinsgr2vr.h vr1, t3, 3
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vinsgr2vr.h vr1, t4, 4
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vinsgr2vr.h vr1, t5, 5
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vinsgr2vr.h vr1, t6, 6
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vinsgr2vr.h vr1, t7, 7
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xvpermi.q xr1, xr1, 0
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xvsub.h xr0, xr0, xr0
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xvilvl.h xr2, xr0, xr1
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xvilvh.h xr3, xr0, xr1
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addi.d a0, a0, -32
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add.d a0, a0, t8
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add.d a0, a0, t8
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addi.d a1, a1, -16
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add.d a1, a1, t8
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xvld xr1, a0, 0
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xvpermi.d xr0, xr1, 0xa0
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xvexth.w.h xr4, xr0
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xvexth.w.h xr5, xr1
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xvadd.w xr4, xr2, xr4
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xvadd.w xr5, xr3, xr5
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xvsrai.w xr4, xr4, 7
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xvsrai.w xr5, xr5, 7
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xvclip255.w xr4, xr4
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xvclip255.w xr5, xr5
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xvpickev.h xr1, xr5, xr4
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xvpickev.b xr0, xr1, xr1
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xvpermi.q xr1, xr0, 1
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fst.d f0, a1, 0
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fst.d f1, a1, 8
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4:
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endfunc
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