| ;***************************************************************************** | |
| ;* x86-optimized functions for maskedclamp filter | |
| ;* | |
| ;* Copyright (c) 2019 Paul B Mahol | |
| ;* | |
| ;* 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 "libavutil/x86/x86util.asm" | |
| SECTION | |
| ;------------------------------------------------------------------------------ | |
| ; void ff_maskedclamp(const uint8_t *src, uint8_t *dst, | |
| ; const uint8_t *darksrc, | |
| ; const uint8_t *brightsrc, | |
| ; int w, int undershoot, int overshoot) | |
| ;------------------------------------------------------------------------------ | |
| INIT_XMM sse2 | |
| cglobal maskedclamp8, 5,5,5, src, dst, dark, bright, w, undershoot, overshoot | |
| movsxdifnidn wq, wd | |
| add srcq, wq | |
| add darkq, wq | |
| add brightq, wq | |
| add dstq, wq | |
| neg wq | |
| movd m3, r5m | |
| punpcklbw m3, m3 | |
| SPLATW m3, m3 | |
| movd m4, r6m | |
| punpcklbw m4, m4 | |
| SPLATW m4, m4 | |
| .loop: | |
| movu m0, [srcq + wq] | |
| movu m1, [darkq + wq] | |
| movu m2, [brightq + wq] | |
| psubusb m1, m3 | |
| paddusb m2, m4 | |
| CLIPUB m0, m1, m2 | |
| mova [dstq + wq], m0 | |
| add wq, mmsize | |
| jl .loop | |
| RET | |
| INIT_XMM sse4 | |
| cglobal maskedclamp16, 5,5,5, src, dst, dark, bright, w, undershoot, overshoot | |
| shl wd, 1 | |
| add srcq, wq | |
| add darkq, wq | |
| add brightq, wq | |
| add dstq, wq | |
| neg wq | |
| movd m3, r5m | |
| SPLATW m3, m3 | |
| movd m4, r6m | |
| SPLATW m4, m4 | |
| .loop: | |
| movu m0, [srcq + wq] | |
| movu m1, [darkq + wq] | |
| movu m2, [brightq + wq] | |
| psubusw m1, m3 | |
| paddusw m2, m4 | |
| pmaxuw m0, m1 | |
| pminuw m0, m2 | |
| mova [dstq + wq], m0 | |
| add wq, mmsize | |
| jl .loop | |
| RET | |