shithub: dav1d

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Add blend checkasm unit test

--- a/tests/checkasm/mc.c

+++ b/tests/checkasm/mc.c

@@ -236,6 +236,39 @@

     report("w_mask");

 }

+static void check_blend(Dav1dMCDSPContext *const c) {

+    ALIGN_STK_32(pixel, tmp, 128 * 128,);

+    ALIGN_STK_32(pixel, c_dst, 128 * 128,);

+    ALIGN_STK_32(pixel, a_dst, 128 * 128,);

+    ALIGN_STK_32(uint8_t, mask, 128 * 128,);

+

+    for (int i = 0; i < 128 * 128; i++) {

+        tmp[i] = rand() & ((1 << BITDEPTH) - 1);

+        mask[i] = rand() % 65;

+    }

+

+    declare_func(void, pixel *dst, ptrdiff_t dst_stride, const pixel *tmp,

+                 int w, int h, const uint8_t *mask, ptrdiff_t mstride);

+

+    for (int w = 2; w <= 128; w <<= 1) {

+        const ptrdiff_t dst_stride = w * sizeof(pixel);

+        for (int ms = 0; ms <= w; ms += ms ? w - 1 : 1)

+            if (check_func(c->blend, "blend_w%d_ms%d_%dbpc", w, ms, BITDEPTH))

+                for (int h = imax(w / 8, 2); h <= imin(w * 8, 128); h <<= 1) {

+                    for (int i = 0; i < w * h; i++)

+                        c_dst[i] = a_dst[i] = rand() & ((1 << BITDEPTH) - 1);

+

+                    call_ref(c_dst, dst_stride, tmp, w, h, mask, ms);

+                    call_new(a_dst, dst_stride, tmp, w, h, mask, ms);

+                    if (memcmp(c_dst, a_dst, w * h * sizeof(*c_dst)))

+                        fail();

+

+                    bench_new(a_dst, dst_stride, tmp, w, h, mask, ms);

+                }

+    }

+    report("blend");

+}

+

 static void check_warp8x8(Dav1dMCDSPContext *const c) {

     ALIGN_STK_32(pixel, src_buf, 15 * 15,);

     ALIGN_STK_32(pixel, c_dst,    8 *  8,);

@@ -394,6 +427,7 @@

     check_w_avg(&c);

     check_mask(&c);

     check_w_mask(&c);

+    check_blend(&c);

     check_warp8x8(&c);

     check_warp8x8t(&c);

     check_emuedge(&c);