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/*
* Copyright © 2018, VideoLAN and dav1d authors
* 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.
*/
#include "src/cpu.h"
#include "src/cdef.h"
decl_cdef_dir_fn(BF(dav1d_cdef_find_dir, neon));
void BF(dav1d_cdef_padding4, neon)(uint16_t *tmp, const pixel *src,
ptrdiff_t src_stride, const pixel (*left)[2],
const pixel *const top,
const pixel *const bottom, int h,
enum CdefEdgeFlags edges);
void BF(dav1d_cdef_padding8, neon)(uint16_t *tmp, const pixel *src,
ptrdiff_t src_stride, const pixel (*left)[2],
const pixel *const top,
const pixel *const bottom, int h,
enum CdefEdgeFlags edges);
// Passing edges to this function, to allow it to switch to a more
// optimized version for fully edged cases. Using size_t for edges,
// to avoid ABI differences for passing more than one argument on the stack.
void BF(dav1d_cdef_filter4, neon)(pixel *dst, ptrdiff_t dst_stride,
const uint16_t *tmp, int pri_strength,
int sec_strength, int dir, int damping, int h,
size_t edges HIGHBD_DECL_SUFFIX);
void BF(dav1d_cdef_filter8, neon)(pixel *dst, ptrdiff_t dst_stride,
const uint16_t *tmp, int pri_strength,
int sec_strength, int dir, int damping, int h,
size_t edges HIGHBD_DECL_SUFFIX);
#define DEFINE_FILTER(w, h, tmp_stride) \
static void \
cdef_filter_##w##x##h##_neon(pixel *dst, const ptrdiff_t stride, \
const pixel (*left)[2], \
const pixel *const top, \
const pixel *const bottom, \
const int pri_strength, const int sec_strength, \
const int dir, const int damping, \
const enum CdefEdgeFlags edges \
HIGHBD_DECL_SUFFIX) \
{ \
ALIGN_STK_16(uint16_t, tmp_buf, 12 * tmp_stride + 8,); \
uint16_t *tmp = tmp_buf + 2 * tmp_stride + 8; \
BF(dav1d_cdef_padding##w, neon)(tmp, dst, stride, \
left, top, bottom, h, edges); \
BF(dav1d_cdef_filter##w, neon)(dst, stride, tmp, pri_strength, \
sec_strength, dir, damping, h, edges \
HIGHBD_TAIL_SUFFIX); \
}
DEFINE_FILTER(8, 8, 16)
DEFINE_FILTER(4, 8, 8)
DEFINE_FILTER(4, 4, 8)
static ALWAYS_INLINE void cdef_dsp_init_arm(Dav1dCdefDSPContext *const c) {
const unsigned flags = dav1d_get_cpu_flags();
if (!(flags & DAV1D_ARM_CPU_FLAG_NEON)) return;
c->dir = BF(dav1d_cdef_find_dir, neon);
c->fb[0] = cdef_filter_8x8_neon;
c->fb[1] = cdef_filter_4x8_neon;
c->fb[2] = cdef_filter_4x4_neon;
}
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