ref: 862e5bc773d18086c9fd7e3930bb5c56deb7b8f7
parent: aa1866f2ba8fd8383544272c1bf3b91273b85ac2
author: Ronald S. Bultje <[email protected]>
date: Thu Mar 26 14:31:38 EDT 2020
checkasm: add test for mc.resize()
--- a/tests/checkasm/mc.c
+++ b/tests/checkasm/mc.c
@@ -573,6 +573,60 @@
report("emu_edge");}
+static int get_upscale_x0(const int in_w, const int out_w, const int step) {+ const int err = out_w * step - (in_w << 14);
+ const int x0 = (-((out_w - in_w) << 13) + (out_w >> 1)) / out_w + 128 - (err >> 1);
+ return x0 & 0x3fff;
+}
+
+static void check_resize(Dav1dMCDSPContext *const c) {+ ALIGN_STK_64(pixel, c_dst, 1024 * 64,);
+ ALIGN_STK_64(pixel, a_dst, 1024 * 64,);
+ ALIGN_STK_64(pixel, src, 512 * 64,);
+
+ const int height = 64;
+ const int max_src_width = 512;
+ const ptrdiff_t dst_stride = 1024 * sizeof(pixel);
+ const ptrdiff_t src_stride = 512 * sizeof(pixel);
+
+ declare_func(void, pixel *dst, ptrdiff_t dst_stride,
+ const pixel *src, ptrdiff_t src_stride,
+ int dst_w, int src_w, int h, int dx, int mx0
+ HIGHBD_DECL_SUFFIX);
+
+ if (check_func(c->resize, "resize_%dbpc", BITDEPTH)) {+#if BITDEPTH == 16
+ const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff;
+#else
+ const int bitdepth_max = 0xff;
+#endif
+
+ for (int i = 0; i < max_src_width * height; i++)
+ src[i] = rnd() & bitdepth_max;
+
+ const int w_den = 9 + (rnd() & 7);
+ const int src_w = 16 + (rnd() % (max_src_width - 16 + 1));
+ const int dst_w = w_den * src_w >> 3;
+#define scale_fac(ref_sz, this_sz) \
+ ((((ref_sz) << 14) + ((this_sz) >> 1)) / (this_sz))
+ const int dx = scale_fac(src_w, dst_w);
+#undef scale_fac
+ const int mx0 = get_upscale_x0(src_w, dst_w, dx);
+
+ call_ref(c_dst, dst_stride, src, src_stride,
+ dst_w, height, src_w, dx, mx0 HIGHBD_TAIL_SUFFIX);
+ call_new(a_dst, dst_stride, src, src_stride,
+ dst_w, height, src_w, dx, mx0 HIGHBD_TAIL_SUFFIX);
+ checkasm_check_pixel(c_dst, dst_stride, a_dst, dst_stride,
+ dst_w, height, "dst");
+
+ bench_new(a_dst, dst_stride, src, src_stride,
+ 512, height, 512 * 8 / w_den, dx, mx0 HIGHBD_TAIL_SUFFIX);
+ }
+
+ report("resize");+}
+
void bitfn(checkasm_check_mc)(void) {Dav1dMCDSPContext c;
bitfn(dav1d_mc_dsp_init)(&c);
@@ -589,4 +643,5 @@
check_warp8x8(&c);
check_warp8x8t(&c);
check_emuedge(&c);
+ check_resize(&c);
}