/* * Loongson LSX optimized swscale * * Copyright (c) 2023 Loongson Technology Corporation Limited * Contributed by Lu Wang * * 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 "libavcodec/loongarch/loongson_asm.S" /* static void yuv2planeX_8_lsx(const int16_t *filter, int filterSize, * const int16_t **src, uint8_t *dest, int dstW, * const uint8_t *dither, int offset) */ function yuv2planeX_8_lsx addi.w t1, a6, 1 addi.w t2, a6, 2 addi.w t3, a6, 3 addi.w t4, a6, 4 addi.w t5, a6, 5 addi.w t6, a6, 6 addi.w t7, a6, 7 andi t0, a6, 7 andi t1, t1, 7 andi t2, t2, 7 andi t3, t3, 7 andi t4, t4, 7 andi t5, t5, 7 andi t6, t6, 7 andi t7, t7, 7 ldx.bu t0, a5, t0 ldx.bu t1, a5, t1 ldx.bu t2, a5, t2 ldx.bu t3, a5, t3 ldx.bu t4, a5, t4 ldx.bu t5, a5, t5 ldx.bu t6, a5, t6 ldx.bu t7, a5, t7 vreplgr2vr.w vr0, t0 vreplgr2vr.w vr1, t1 vreplgr2vr.w vr2, t2 vreplgr2vr.w vr3, t3 vreplgr2vr.w vr4, t4 vreplgr2vr.w vr5, t5 vreplgr2vr.w vr6, t6 vreplgr2vr.w vr7, t7 vilvl.w vr0, vr2, vr0 vilvl.w vr4, vr6, vr4 vilvl.w vr1, vr3, vr1 vilvl.w vr5, vr7, vr5 vilvl.d vr12, vr4, vr0 vilvl.d vr13, vr5, vr1 li.w t5, 0 li.w t8, 8 bge a4, t8, .WIDTH8 blt zero, a4, .WIDTH b .END .WIDTH8: li.d t1, 0 li.d t4, 0 vslli.w vr2, vr12, 12 vslli.w vr3, vr13, 12 move t3, a0 .FILTERSIZE8: ldx.d t2, a2, t1 vldx vr4, t2, t5 vldrepl.h vr5, t3, 0 vmaddwev.w.h vr2, vr4, vr5 vmaddwod.w.h vr3, vr4, vr5 addi.d t1, t1, 8 addi.d t3, t3, 2 addi.d t4, t4, 1 blt t4, a1, .FILTERSIZE8 vsrai.w vr2, vr2, 19 vsrai.w vr3, vr3, 19 vclip255.w vr2, vr2 vclip255.w vr3, vr3 vpickev.h vr2, vr3, vr2 vpickev.b vr2, vr2, vr2 vbsrl.v vr3, vr2, 4 vilvl.b vr2, vr3, vr2 fst.d f2, a3, 0 addi.d t5, t5, 16 addi.d a4, a4, -8 addi.d a3, a3, 8 bge a4, t8, .WIDTH8 blt zero, a4, .WIDTH b .END .WIDTH: li.d t1, 0 li.d t4, 0 vslli.w vr2, vr12, 12 vslli.w vr3, vr13, 12 .FILTERSIZE: ldx.d t2, a2, t1 vldx vr4, t2, t5 vldrepl.h vr5, a0, 0 vmaddwev.w.h vr2, vr4, vr5 vmaddwod.w.h vr3, vr4, vr5 addi.d t1, t1, 8 addi.d a0, a0, 2 addi.d t4, t4, 1 blt t4, a1, .FILTERSIZE vsrai.w vr2, vr2, 19 vsrai.w vr3, vr3, 19 vclip255.w vr2, vr2 vclip255.w vr3, vr3 vpickev.h vr2, vr3, vr2 vpickev.b vr2, vr2, vr2 vbsrl.v vr3, vr2, 4 vilvl.b vr2, vr3, vr2 .DEST: vstelm.b vr2, a3, 0, 0 vbsrl.v vr2, vr2, 1 addi.d a4, a4, -1 addi.d a3, a3, 1 blt zero, a4, .DEST .END: endfunc /* * void yuv2plane1_8_lsx(const int16_t *src, uint8_t *dest, int dstW, * const uint8_t *dither, int offset) */ function yuv2plane1_8_lsx addi.w t1, a4, 1 addi.w t2, a4, 2 addi.w t3, a4, 3 addi.w t4, a4, 4 addi.w t5, a4, 5 addi.w t6, a4, 6 addi.w t7, a4, 7 andi t0, a4, 7 andi t1, t1, 7 andi t2, t2, 7 andi t3, t3, 7 andi t4, t4, 7 andi t5, t5, 7 andi t6, t6, 7 andi t7, t7, 7 ldx.bu t0, a3, t0 ldx.bu t1, a3, t1 ldx.bu t2, a3, t2 ldx.bu t3, a3, t3 ldx.bu t4, a3, t4 ldx.bu t5, a3, t5 ldx.bu t6, a3, t6 ldx.bu t7, a3, t7 vinsgr2vr.h vr1, t0, 0 vinsgr2vr.h vr1, t1, 1 vinsgr2vr.h vr1, t2, 2 vinsgr2vr.h vr1, t3, 3 vinsgr2vr.h vr1, t4, 4 vinsgr2vr.h vr1, t5, 5 vinsgr2vr.h vr1, t6, 6 vinsgr2vr.h vr1, t7, 7 andi t8, a2, 7 srli.d a2, a2, 3 beqz a2, 2f 1: vld vr2, a0, 0 addi.d a0, a0, 16 vavg.h vr4, vr1, vr2 vssrani.bu.h vr4, vr4, 6 fst.d f4, a1, 0 addi.d a1, a1, 8 addi.d a2, a2, -1 blt zero, a2, 1b 2: beqz t8, 4f vld vr2, a0, 0 vavg.h vr4, vr1, vr2 vssrani.bu.h vr4, vr4, 6 3: vstelm.b vr4, a1, 0, 0 vbsrl.v vr4, vr4, 1 addi.d t8, t8, -1 addi.d a1, a1, 1 bne t8, zero, 3b 4: endfunc function yuv2plane1_8_lasx addi.w t1, a4, 1 addi.w t2, a4, 2 addi.w t3, a4, 3 addi.w t4, a4, 4 addi.w t5, a4, 5 addi.w t6, a4, 6 addi.w t7, a4, 7 andi t0, a4, 7 andi t1, t1, 7 andi t2, t2, 7 andi t3, t3, 7 andi t4, t4, 7 andi t5, t5, 7 andi t6, t6, 7 andi t7, t7, 7 ldx.bu t0, a3, t0 ldx.bu t1, a3, t1 ldx.bu t2, a3, t2 ldx.bu t3, a3, t3 ldx.bu t4, a3, t4 ldx.bu t5, a3, t5 ldx.bu t6, a3, t6 ldx.bu t7, a3, t7 vinsgr2vr.h vr1, t0, 0 vinsgr2vr.h vr1, t1, 1 vinsgr2vr.h vr1, t2, 2 vinsgr2vr.h vr1, t3, 3 vinsgr2vr.h vr1, t4, 4 vinsgr2vr.h vr1, t5, 5 vinsgr2vr.h vr1, t6, 6 vinsgr2vr.h vr1, t7, 7 xvpermi.q xr1, xr1, 0 andi t8, a2, 15 srli.d a2, a2, 4 beqz a2, 2f 1: xvld xr2, a0, 0 addi.d a0, a0, 32 xvavg.h xr4, xr1, xr2 xvssrani.bu.h xr4, xr4, 6 xvstelm.d xr4, a1, 0, 0 xvstelm.d xr4, a1, 8, 2 addi.d a1, a1, 16 addi.d a2, a2, -1 bnez a2, 1b 2: beqz t8, 4f srli.d t7, t8, 3 beq t7, zero, 6f vld vr2, a0, 0 addi.d a0, a0, 16 vavg.h vr4, vr1, vr2 vssrani.bu.h vr4, vr4, 6 fst.d f4, a1, 0 addi.d a1, a1, 8 6: andi t7, t8, 7 beqz t7, 4f vld vr2, a0, 0 vavg.h vr4, vr1, vr2 vssrani.bu.h vr4, vr4, 6 7: vstelm.b vr4, a1, 0, 0 vbsrl.v vr4, vr4, 1 addi.d t7, t7, -1 addi.d a1, a1, 1 bne t7, zero, 7b 4: endfunc