| ;***************************************************************************** |
| ;* 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 .text |
| |
| ;------------------------------------------------------------------------------ |
| ; 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 |