ref: 3b14f94924987fc66302bb8b803ad9065816f93e
dir: /tests/checkasm/cdef.c/
/*
* Copyright © 2018, VideoLAN and dav1d authors
* Copyright © 2018, Two Orioles, LLC
* 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 "tests/checkasm/checkasm.h"
#ifndef __plan9__
#include <string.h>
#include <stdio.h>
#endif
#include "common/dump.h"
#include "src/levels.h"
#include "src/cdef.h"
static int to_binary(int x) { /* 0-15 -> 0000-1111 */
return (x & 1) + 5 * (x & 2) + 25 * (x & 4) + 125 * (x & 8);
}
static void init_tmp(pixel *buf, int n, const int bitdepth_max) {
const int fill_type = rnd() & 7;
if (fill_type == 0)
while (n--) /* check for cdef_filter underflows */
*buf++ = rnd() & 1;
else if (fill_type == 1)
while (n--) /* check for cdef_filter overflows */
*buf++ = bitdepth_max - (rnd() & 1);
else
while (n--)
*buf++ = rnd() & bitdepth_max;
}
static void check_cdef_filter(const cdef_fn fn, const int w, const int h) {
ALIGN_STK_64(pixel, c_src, 16 * 10 + 16, ), *const c_dst = c_src + 8;
ALIGN_STK_64(pixel, a_src, 16 * 10 + 16, ), *const a_dst = a_src + 8;
ALIGN_STK_64(pixel, top_buf, 16 * 2 + 16, ), *const top = top_buf + 8;
ALIGN_STK_16(pixel, left, 8,[2]);
const ptrdiff_t stride = 16 * sizeof(pixel);
declare_func(void, pixel *dst, ptrdiff_t dst_stride, const pixel (*left)[2],
const pixel *top, int pri_strength, int sec_strength,
int dir, int damping, enum CdefEdgeFlags edges HIGHBD_DECL_SUFFIX);
if (check_func(fn, "cdef_filter_%dx%d_%dbpc", w, h, BITDEPTH)) {
for (int dir = 0; dir < 8; dir++) {
for (enum CdefEdgeFlags edges = 0x0; edges <= 0xf; edges++) {
#if BITDEPTH == 16
const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff;
#else
const int bitdepth_max = 0xff;
#endif
const int bitdepth_min_8 = bitdepth_from_max(bitdepth_max) - 8;
init_tmp(c_src, 16 * 10 + 16, bitdepth_max);
init_tmp(top_buf, 16 * 2 + 16, bitdepth_max);
init_tmp((pixel *) left, 8 * 2, bitdepth_max);
memcpy(a_src, c_src, (16 * 10 + 16) * sizeof(pixel));
const int lvl = 1 + (rnd() % 62);
const int damping = 3 + (rnd() & 3) + bitdepth_min_8 - (w == 4 || (rnd() & 1));
int pri_strength = (lvl >> 2) << bitdepth_min_8;
int sec_strength = lvl & 3;
sec_strength += sec_strength == 3;
sec_strength <<= bitdepth_min_8;
call_ref(c_dst, stride, left, top, pri_strength, sec_strength,
dir, damping, edges HIGHBD_TAIL_SUFFIX);
call_new(a_dst, stride, left, top, pri_strength, sec_strength,
dir, damping, edges HIGHBD_TAIL_SUFFIX);
if (checkasm_check_pixel(c_dst, stride, a_dst, stride, w, h, "dst")) {
fprintf(stderr, "strength = %d:%d, dir = %d, damping = %d, edges = %04d\n",
pri_strength, sec_strength, dir, damping, to_binary(edges));
return;
}
if (dir == 7 && (edges == 0x5 || edges == 0xa || edges == 0xf)) {
/* Benchmark a fixed set of cases to get consistent results:
* 1) top/left edges and pri_strength only
* 2) bottom/right edges and sec_strength only
* 3) all edges and both pri_strength and sec_strength
*/
pri_strength = (edges & 1) << bitdepth_min_8;
sec_strength = (edges & 2) << bitdepth_min_8;
bench_new(a_dst, stride, left, top, pri_strength, sec_strength,
dir, damping, edges HIGHBD_TAIL_SUFFIX);
}
}
}
}
}
static void check_cdef_direction(const cdef_dir_fn fn) {
ALIGN_STK_64(pixel, src, 8 * 8,);
declare_func(int, pixel *src, ptrdiff_t dst_stride, unsigned *var
HIGHBD_DECL_SUFFIX);
if (check_func(fn, "cdef_dir_%dbpc", BITDEPTH)) {
unsigned c_var, a_var;
#if BITDEPTH == 16
const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff;
#else
const int bitdepth_max = 0xff;
#endif
init_tmp(src, 64, bitdepth_max);
const int c_dir = call_ref(src, 8 * sizeof(pixel), &c_var HIGHBD_TAIL_SUFFIX);
const int a_dir = call_new(src, 8 * sizeof(pixel), &a_var HIGHBD_TAIL_SUFFIX);
if (c_var != a_var || c_dir != a_dir) {
if (fail()) {
hex_fdump(stderr, src, 8 * sizeof(pixel), 8, 8, "src");
fprintf(stderr, "c_dir %d a_dir %d\n", c_dir, a_dir);
}
}
bench_new(src, 8 * sizeof(pixel), &a_var HIGHBD_TAIL_SUFFIX);
}
report("cdef_dir");
}
void bitfn(checkasm_check_cdef)(void) {
Dav1dCdefDSPContext c;
bitfn(dav1d_cdef_dsp_init)(&c);
check_cdef_direction(c.dir);
check_cdef_filter(c.fb[0], 8, 8);
check_cdef_filter(c.fb[1], 4, 8);
check_cdef_filter(c.fb[2], 4, 4);
report("cdef_filter");
}