ref: 53389fcda59c9b49f5e334a9aa212d59766824ca
parent: 9d1fcef36abdfae1fb8d9dc1b5e7f8b8cbb5b600
author: Henrik Gramner <gramner@twoorioles.com>
date: Mon Oct 8 09:03:26 EDT 2018
checkasm: Add unit tests for intra prediction
--- a/tests/checkasm/checkasm.c
+++ b/tests/checkasm/checkasm.c
@@ -51,6 +51,8 @@
const char *name;
void (*func)(void);
} tests[] = {+ { "ipred_8bpc", checkasm_check_ipred_8bpc },+ { "ipred_10bpc", checkasm_check_ipred_10bpc }, { "itx_8bpc", checkasm_check_itx_8bpc }, { "itx_10bpc", checkasm_check_itx_10bpc }, { "loopfilter_8bpc", checkasm_check_loopfilter_8bpc },@@ -408,6 +410,7 @@
}
int main(int argc, char *argv[]) {+ (void)func_new, (void)func_ref;
#ifdef readtime
unsigned int seed = readtime();
#else
--- a/tests/checkasm/checkasm.h
+++ b/tests/checkasm/checkasm.h
@@ -36,6 +36,9 @@
#include "include/common/attributes.h"
#include "include/common/intops.h"
+void checkasm_check_ipred_8bpc(void);
+void checkasm_check_ipred_10bpc(void);
+
void checkasm_check_itx_8bpc(void);
void checkasm_check_itx_10bpc(void);
--- /dev/null
+++ b/tests/checkasm/ipred.c
@@ -1,0 +1,101 @@
+/*
+ * 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 "src/ipred.h"
+#include "src/levels.h"
+
+static const char *const intra_pred_mode_names[N_IMPL_INTRA_PRED_MODES] = {+ [DC_PRED] = "dc",
+ [DC_128_PRED] = "dc_128",
+ [TOP_DC_PRED] = "dc_top",
+ [LEFT_DC_PRED] = "dc_left",
+ [HOR_PRED] = "h",
+ [VERT_PRED] = "v",
+ [PAETH_PRED] = "paeth",
+ [SMOOTH_PRED] = "smooth",
+ [SMOOTH_V_PRED] = "smooth_v",
+ [SMOOTH_H_PRED] = "smooth_h",
+ [Z1_PRED] = "z1",
+ [Z2_PRED] = "z2",
+ [Z3_PRED] = "z3",
+ [FILTER_PRED] = "filter"
+};
+
+static const uint8_t z_angles[27] = {+ 3, 6, 9,
+ 14, 17, 20, 23, 26, 29, 32,
+ 36, 39, 42, 45, 48, 51, 54,
+ 58, 61, 64, 67, 70, 73, 76,
+ 81, 84, 87
+};
+
+static void check_intra_pred(Dav1dIntraPredDSPContext *const c) {+ ALIGN_STK_32(pixel, c_dst, 64 * 64,);
+ ALIGN_STK_32(pixel, a_dst, 64 * 64,);
+ ALIGN_STK_32(pixel, topleft_buf, 257,);
+ pixel *const topleft = topleft_buf + 128;
+
+ declare_func(void, pixel *dst, ptrdiff_t stride, const pixel *topleft,
+ int width, int height, int angle);
+
+ for (int mode = 0; mode < N_IMPL_INTRA_PRED_MODES; mode++)
+ for (int w = 4; w <= (mode == FILTER_PRED ? 32 : 64); w <<= 1)
+ if (check_func(c->intra_pred[mode], "intra_pred_%s_w%d_%dbpc",
+ intra_pred_mode_names[mode], w, BITDEPTH))
+ {+ for (int h = imax(w / 4, 4); h <= imin(w * 4,
+ (mode == FILTER_PRED ? 32 : 64)); h <<= 1)
+ {+ const ptrdiff_t stride = w * sizeof(pixel);
+
+ int a = 0;
+ if (mode >= Z1_PRED && mode <= Z3_PRED) /* angle */
+ a = 90 * (mode - Z1_PRED) + z_angles[rand() % 27];
+ else if (mode == FILTER_PRED) /* filter_idx */
+ a = rand() % 5;
+
+ for (int i = -h * 2; i <= w * 2; i++)
+ topleft[i] = rand() & ((1 << BITDEPTH) - 1);
+
+ call_ref(c_dst, stride, topleft, w, h, a);
+ call_new(a_dst, stride, topleft, w, h, a);
+ if (memcmp(c_dst, a_dst, w * h * sizeof(*c_dst)))
+ fail();
+
+ bench_new(a_dst, stride, topleft, w, h, a);
+ }
+ }
+ report("intra_pred");+}
+
+void bitfn(checkasm_check_ipred)(void) {+ Dav1dIntraPredDSPContext c;
+ bitfn(dav1d_intra_pred_dsp_init)(&c);
+
+ check_intra_pred(&c);
+}
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -35,6 +35,7 @@
checkasm_sources = files('checkasm/checkasm.c')checkasm_tmpl_sources = files(
+ 'checkasm/ipred.c',
'checkasm/itx.c',
'checkasm/loopfilter.c',
'checkasm/mc.c',