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-rw-r--r--third_party/dav1d/tests/checkasm/looprestoration.c196
1 files changed, 196 insertions, 0 deletions
diff --git a/third_party/dav1d/tests/checkasm/looprestoration.c b/third_party/dav1d/tests/checkasm/looprestoration.c
new file mode 100644
index 0000000000..d84f3c476a
--- /dev/null
+++ b/third_party/dav1d/tests/checkasm/looprestoration.c
@@ -0,0 +1,196 @@
+/*
+ * 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 <stdio.h>
+#include <string.h>
+
+#include "src/levels.h"
+#include "src/looprestoration.h"
+#include "src/tables.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, const ptrdiff_t stride,
+ const int w, const int h, const int bitdepth_max)
+{
+ const int noise_mask = bitdepth_max >> 4;
+ const int x_off = rnd() & 7, y_off = rnd() & 7;
+
+ for (int y = 0; y < h; y++) {
+ for (int x = 0; x < w; x++) {
+ buf[x] = (((x + x_off) ^ (y + y_off)) & 8 ? bitdepth_max : 0) ^
+ (rnd() & noise_mask);
+ }
+ buf += PXSTRIDE(stride);
+ }
+}
+
+static void check_wiener(Dav1dLoopRestorationDSPContext *const c, const int bpc) {
+ ALIGN_STK_64(pixel, c_src, 448 * 64 + 64,), *const c_dst = c_src + 64;
+ ALIGN_STK_64(pixel, a_src, 448 * 64 + 64,), *const a_dst = a_src + 64;
+ ALIGN_STK_64(pixel, edge_buf, 448 * 8 + 64,), *const h_edge = edge_buf + 64;
+ pixel left[64][4];
+ LooprestorationParams params;
+ int16_t (*const filter)[8] = params.filter;
+
+ declare_func(void, pixel *dst, ptrdiff_t dst_stride,
+ const pixel (*const left)[4],
+ const pixel *lpf, int w, int h,
+ const LooprestorationParams *params,
+ enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);
+
+ for (int t = 0; t < 2; t++) {
+ if (check_func(c->wiener[t], "wiener_%dtap_%dbpc", t ? 5 : 7, bpc)) {
+ filter[0][0] = filter[0][6] = t ? 0 : (rnd() & 15) - 5;
+ filter[0][1] = filter[0][5] = (rnd() & 31) - 23;
+ filter[0][2] = filter[0][4] = (rnd() & 63) - 17;
+ filter[0][3] = -(filter[0][0] + filter[0][1] + filter[0][2]) * 2;
+#if BITDEPTH != 8
+ filter[0][3] += 128;
+#endif
+
+ filter[1][0] = filter[1][6] = t ? 0 : (rnd() & 15) - 5;
+ filter[1][1] = filter[1][5] = (rnd() & 31) - 23;
+ filter[1][2] = filter[1][4] = (rnd() & 63) - 17;
+ filter[1][3] = 128 - (filter[1][0] + filter[1][1] + filter[1][2]) * 2;
+
+ const int base_w = 1 + (rnd() % 384);
+ const int base_h = 1 + (rnd() & 63);
+ const int bitdepth_max = (1 << bpc) - 1;
+
+ init_tmp(c_src, 448 * sizeof(pixel), 448, 64, bitdepth_max);
+ init_tmp(edge_buf, 448 * sizeof(pixel), 448, 8, bitdepth_max);
+ init_tmp((pixel *) left, 4 * sizeof(pixel), 4, 64, bitdepth_max);
+
+ for (enum LrEdgeFlags edges = 0; edges <= 0xf; edges++) {
+ const int w = edges & LR_HAVE_RIGHT ? 256 : base_w;
+ const int h = edges & LR_HAVE_BOTTOM ? 64 : base_h;
+
+ memcpy(a_src, c_src, 448 * 64 * sizeof(pixel));
+
+ call_ref(c_dst, 448 * sizeof(pixel), left,
+ h_edge, w, h, &params, edges HIGHBD_TAIL_SUFFIX);
+ call_new(a_dst, 448 * sizeof(pixel), left,
+ h_edge, w, h, &params, edges HIGHBD_TAIL_SUFFIX);
+ if (checkasm_check_pixel(c_dst, 448 * sizeof(pixel),
+ a_dst, 448 * sizeof(pixel),
+ w, h, "dst"))
+ {
+ fprintf(stderr, "size = %dx%d, edges = %04d\n",
+ w, h, to_binary(edges));
+ break;
+ }
+ }
+ bench_new(alternate(c_dst, a_dst), 448 * sizeof(pixel), left,
+ h_edge, 256, 64, &params, 0xf HIGHBD_TAIL_SUFFIX);
+ }
+ }
+}
+
+static void check_sgr(Dav1dLoopRestorationDSPContext *const c, const int bpc) {
+ ALIGN_STK_64(pixel, c_src, 448 * 64 + 64,), *const c_dst = c_src + 64;
+ ALIGN_STK_64(pixel, a_src, 448 * 64 + 64,), *const a_dst = a_src + 64;
+ ALIGN_STK_64(pixel, edge_buf, 448 * 8 + 64,), *const h_edge = edge_buf + 64;
+ pixel left[64][4];
+ LooprestorationParams params;
+
+ declare_func(void, pixel *dst, ptrdiff_t dst_stride,
+ const pixel (*const left)[4],
+ const pixel *lpf, int w, int h,
+ const LooprestorationParams *params,
+ enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);
+
+ static const struct { char name[4]; uint8_t idx; } sgr_data[3] = {
+ { "5x5", 14 },
+ { "3x3", 10 },
+ { "mix", 0 },
+ };
+
+ for (int i = 0; i < 3; i++) {
+ if (check_func(c->sgr[i], "sgr_%s_%dbpc", sgr_data[i].name, bpc)) {
+ const uint16_t *const sgr_params = dav1d_sgr_params[sgr_data[i].idx];
+ params.sgr.s0 = sgr_params[0];
+ params.sgr.s1 = sgr_params[1];
+ params.sgr.w0 = sgr_params[0] ? (rnd() & 127) - 96 : 0;
+ params.sgr.w1 = (sgr_params[1] ? 160 - (rnd() & 127) : 33) - params.sgr.w0;
+
+ const int base_w = 1 + (rnd() % 384);
+ const int base_h = 1 + (rnd() & 63);
+ const int bitdepth_max = (1 << bpc) - 1;
+
+ init_tmp(c_src, 448 * sizeof(pixel), 448, 64, bitdepth_max);
+ init_tmp(edge_buf, 448 * sizeof(pixel), 448, 8, bitdepth_max);
+ init_tmp((pixel *) left, 4 * sizeof(pixel), 4, 64, bitdepth_max);
+
+ for (enum LrEdgeFlags edges = 0; edges <= 0xf; edges++) {
+ const int w = edges & LR_HAVE_RIGHT ? 256 : base_w;
+ const int h = edges & LR_HAVE_BOTTOM ? 64 : base_h;
+
+ memcpy(a_src, c_src, 448 * 64 * sizeof(pixel));
+
+ call_ref(c_dst, 448 * sizeof(pixel), left, h_edge,
+ w, h, &params, edges HIGHBD_TAIL_SUFFIX);
+ call_new(a_dst, 448 * sizeof(pixel), left, h_edge,
+ w, h, &params, edges HIGHBD_TAIL_SUFFIX);
+ if (checkasm_check_pixel(c_dst, 448 * sizeof(pixel),
+ a_dst, 448 * sizeof(pixel),
+ w, h, "dst"))
+ {
+ fprintf(stderr, "size = %dx%d, edges = %04d\n",
+ w, h, to_binary(edges));
+ break;
+ }
+ }
+ bench_new(alternate(c_dst, a_dst), 448 * sizeof(pixel), left,
+ h_edge, 256, 64, &params, 0xf HIGHBD_TAIL_SUFFIX);
+ }
+ }
+}
+
+void bitfn(checkasm_check_looprestoration)(void) {
+#if BITDEPTH == 16
+ const int bpc_min = 10, bpc_max = 12;
+#else
+ const int bpc_min = 8, bpc_max = 8;
+#endif
+ for (int bpc = bpc_min; bpc <= bpc_max; bpc += 2) {
+ Dav1dLoopRestorationDSPContext c;
+ bitfn(dav1d_loop_restoration_dsp_init)(&c, bpc);
+ check_wiener(&c, bpc);
+ }
+ report("wiener");
+ for (int bpc = bpc_min; bpc <= bpc_max; bpc += 2) {
+ Dav1dLoopRestorationDSPContext c;
+ bitfn(dav1d_loop_restoration_dsp_init)(&c, bpc);
+ check_sgr(&c, bpc);
+ }
+ report("sgr");
+}
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