Sk4f: add floor()

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1685773002
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot

Review URL: https://codereview.chromium.org/1685773002

1 files changed, 16 insertions, 0 deletions

diff --git a/bench/Sk4fBench.cpp b/bench/Sk4fBench.cpp
index d5201fa2f0..a932c295d4 100644
--- a/bench/Sk4fBench.cpp
+++ b/bench/Sk4fBench.cpp
@@ -40,6 +40,22 @@ DEF_BENCH(return new Sk4fRoundtripBench<uint8_t>;)
 DEF_BENCH(return new Sk4fRoundtripBench<uint16_t>;)
 DEF_BENCH(return new Sk4fRoundtripBench<int>;)
 
+struct Sk4fFloorBench : public Benchmark {
+    Sk4fFloorBench() {}
+
+    const char* onGetName() override { return "Sk4f_floor"; }
+    bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
+
+    void onDraw(int loops, SkCanvas* canvas) override {
+        Sk4f fs(1,2,3,4);
+        while (loops --> 0) {
+            fs = fs.floor();
+        }
+        fs.store((float*)blackhole);
+    }
+};
+DEF_BENCH(return new Sk4fFloorBench;)
+
 struct Sk4fGradientBench : public Benchmark {
     const char* onGetName() override { return "Sk4f_gradient"; }
     bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }