diff options
Diffstat (limited to 'third_party/dav1d/tests/checkasm/cdef.c')
| -rw-r--r-- | third_party/dav1d/tests/checkasm/cdef.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/third_party/dav1d/tests/checkasm/cdef.c b/third_party/dav1d/tests/checkasm/cdef.c new file mode 100644 index 0000000000..9a90e313da --- /dev/null +++ b/third_party/dav1d/tests/checkasm/cdef.c @@ -0,0 +1,144 @@ +/* + * 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" + +#include <string.h> +#include <stdio.h> + +#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_64(pixel, bot_buf, 16 * 2 + 16, ), *const bot = bot_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, const pixel *bot, int pri_strength, + int sec_strength, int dir, int damping, + enum CdefEdgeFlags edges HIGHBD_DECL_SUFFIX); + + for (int s = 0x1; s <= 0x3; s++) { + if (check_func(fn, "cdef_filter_%dx%d_%02d_%dbpc", w, h, to_binary(s), 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(bot_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 pri_strength = s & 2 ? (1 + (rnd() % 15)) << bitdepth_min_8 : 0; + const int sec_strength = s & 1 ? 1 << ((rnd() % 3) + bitdepth_min_8) : 0; + const int damping = 3 + (rnd() & 3) + bitdepth_min_8 - (w == 4 || (rnd() & 1)); + call_ref(c_dst, stride, left, top, bot, pri_strength, sec_strength, + dir, damping, edges HIGHBD_TAIL_SUFFIX); + call_new(a_dst, stride, left, top, bot, 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)) + bench_new(alternate(c_dst, a_dst), stride, left, top, bot, 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"); +} |