ref: acfa495a20f2d436683c4ced629469e32875cb03
parent: 2df2aab9a70eb3f8e0605c875102084397c92fc0
author: David Michael Barr <b@rr-dav.id.au>
date: Tue Oct 16 16:14:05 EDT 2018
checkasm: Add unit tests for chroma-from-luma
--- a/tests/checkasm/ipred.c
+++ b/tests/checkasm/ipred.c
@@ -46,6 +46,13 @@
[FILTER_PRED] = "filter"
};
+static const char *const cfl_pred_mode_names[DC_128_PRED + 1] = {+ [DC_PRED] = "cfl",
+ [DC_128_PRED] = "cfl_128",
+ [TOP_DC_PRED] = "cfl_top",
+ [LEFT_DC_PRED] = "cfl_left",
+};
+
static const uint8_t z_angles[27] = {3, 6, 9,
14, 17, 20, 23, 26, 29, 32,
@@ -93,9 +100,52 @@
report("intra_pred");}
+static void check_cfl_pred(Dav1dIntraPredDSPContext *const c) {+ ALIGN_STK_32(pixel, c_dst, 32 * 32,);
+ ALIGN_STK_32(pixel, a_dst, 32 * 32,);
+ ALIGN_STK_32(int16_t, ac, 32 * 32,);
+ 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, const int16_t *ac, int alpha);
+
+ for (int mode = 0; mode <= DC_128_PRED; mode += 1 + 2 * !mode)
+ for (int w = 4; w <= 32; w <<= 1)
+ if (check_func(c->cfl_pred[mode], "cfl_pred_%s_w%d_%dbpc",
+ cfl_pred_mode_names[mode], w, BITDEPTH))
+ {+ for (int h = imax(w / 4, 4); h <= imin(w * 4, 32); h <<= 1)
+ {+ const ptrdiff_t stride = w * sizeof(pixel);
+
+ int alpha = ((rand() & 15) + 1) * (1 - (rand() & 2));
+
+ for (int i = -h * 2; i <= w * 2; i++)
+ topleft[i] = rand() & ((1 << BITDEPTH) - 1);
+
+ int luma_avg = w * h >> 1;
+ for (int i = 0; i < w * h; i++)
+ luma_avg += ac[i] = rand() & ((1 << BITDEPTH) - 1) << 3;
+ luma_avg /= w * h;
+ for (int i = 0; i < w * h; i++)
+ ac[i] -= luma_avg;
+
+ call_ref(c_dst, stride, topleft, w, h, ac, alpha);
+ call_new(a_dst, stride, topleft, w, h, ac, alpha);
+ if (memcmp(c_dst, a_dst, w * h * sizeof(*c_dst)))
+ fail();
+
+ bench_new(a_dst, stride, topleft, w, h, ac, alpha);
+ }
+ }
+ report("cfl_pred");+}
+
void bitfn(checkasm_check_ipred)(void) {Dav1dIntraPredDSPContext c;
bitfn(dav1d_intra_pred_dsp_init)(&c);
check_intra_pred(&c);
+ check_cfl_pred(&c);
}