looprestoration.h - mozsearch

/*

 * Copyright © 2023, VideoLAN and dav1d authors

 * Copyright © 2023, Loongson Technology Corporation Limited

 * All rights reserved.

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 * 1. Redistributions of source code must retain the above copyright notice, this

 *    list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright notice,

 *    this list of conditions and the following disclaimer in the documentation

 *    and/or other materials provided with the distribution.

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR

 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

#ifndef DAV1D_SRC_LOONGARCH_LOOPRESTORATION_H

#define DAV1D_SRC_LOONGARCH_LOOPRESTORATION_H

#include "common/intops.h"

#include "src/cpu.h"

#include "src/looprestoration.h"

void dav1d_wiener_filter_lsx(uint8_t *p, const ptrdiff_t stride,

                             const uint8_t (*const left)[4],

                             const uint8_t *lpf,

                             const int w, const int h,

                             const LooprestorationParams *const params,

                             const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);

void dav1d_wiener_filter_lasx(uint8_t *p, const ptrdiff_t stride,

                             const uint8_t (*const left)[4],

                             const uint8_t *lpf,

                             const int w, const int h,

                             const LooprestorationParams *const params,

                             const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);

void dav1d_sgr_filter_3x3_lsx(pixel *p, const ptrdiff_t p_stride,

                              const pixel (*const left)[4],

                              const pixel *lpf,

                              const int w, const int h,

                              const LooprestorationParams *const params,

                              const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);

void dav1d_sgr_filter_3x3_lasx(pixel *p, const ptrdiff_t p_stride,

                              const pixel (*const left)[4],

                              const pixel *lpf,

                              const int w, const int h,

                              const LooprestorationParams *const params,

                              const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);

void dav1d_sgr_filter_5x5_lsx(pixel *p, const ptrdiff_t p_stride,

                              const pixel (*const left)[4],

                              const pixel *lpf,

                              const int w, const int h,

                              const LooprestorationParams *const params,

                              const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);

void dav1d_sgr_filter_mix_lsx(pixel *p, const ptrdiff_t p_stride,

                              const pixel (*const left)[4],

                              const pixel *lpf,

                              const int w, const int h,

                              const LooprestorationParams *const params,

                              const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);

void dav1d_sgr_filter_mix_lasx(pixel *p, const ptrdiff_t p_stride,

                               const pixel (*const left)[4],

                               const pixel *lpf,

                               const int w, const int h,

                               const LooprestorationParams *const params,

                               const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);

static ALWAYS_INLINE void loop_restoration_dsp_init_loongarch(Dav1dLoopRestorationDSPContext *const c, int bpc)

    const unsigned flags = dav1d_get_cpu_flags();

    if (!(flags & DAV1D_LOONGARCH_CPU_FLAG_LSX)) return;

#if BITDEPTH == 8

    c->wiener[0] = c->wiener[1] = dav1d_wiener_filter_lsx;

    c->sgr[0] = dav1d_sgr_filter_5x5_lsx;

    c->sgr[1] = dav1d_sgr_filter_3x3_lsx;

    c->sgr[2] = dav1d_sgr_filter_mix_lsx;

#endif

    if (!(flags & DAV1D_LOONGARCH_CPU_FLAG_LASX)) return;

#if BITDEPTH == 8

    c->wiener[0] = c->wiener[1] = dav1d_wiener_filter_lasx;

    c->sgr[1] = dav1d_sgr_filter_3x3_lasx;

#endif

#endif /* DAV1D_SRC_LOONGARCH_LOOPRESTORATION_H */