1 /*
2 * Copyright © 2019, VideoLAN and dav1d authors
3 * Copyright © 2019, Michail Alvanos
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice, this
10 * list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "common/intops.h"
29
30 #include "src/cpu.h"
31 #include "src/looprestoration.h"
32
33 void dav1d_wiener_filter_vsx(uint8_t *p, const ptrdiff_t stride,
34 const uint8_t (*const left)[4],
35 const uint8_t *lpf,
36 const int w, const int h,
37 const LooprestorationParams *const params,
38 const enum LrEdgeFlags edges);
39
loop_restoration_dsp_init_ppc(Dav1dLoopRestorationDSPContext * const c,const int bpc)40 static ALWAYS_INLINE void loop_restoration_dsp_init_ppc(Dav1dLoopRestorationDSPContext *const c, const int bpc) {
41 const unsigned flags = dav1d_get_cpu_flags();
42
43 if (!(flags & DAV1D_PPC_CPU_FLAG_VSX)) return;
44
45 #if BITDEPTH == 8
46 c->wiener[0] = c->wiener[1] = dav1d_wiener_filter_vsx;
47 #endif
48 }
49