alt SkEvalQuadAt that returns its answer, using Sk2f

bench/GeometryBench.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Benchmark.h"
 #include "SkGeometry.h"
 #include "SkRandom.h"
@@ skipping 111 matching lines @@
             }
         }
     }
 };
 
 DEF_BENCH( return new GeoRectBench_intersect; )
 DEF_BENCH( return new GeoRectBench_intersect_rect; )
 DEF_BENCH( return new GeoRectBench_Intersects; )
 
 DEF_BENCH( return new GeoRectBench_sort; )
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+class EvalQuadAt0 : public GeometryBench {
+    SkPoint fPts[3];
+public:
+    EvalQuadAt0() : GeometryBench("evalquadat0") {
+        SkRandom rand;
+        for (int i = 0; i < 3; ++i) {
+            fPts[i].set(rand.nextUScalar1(), rand.nextUScalar1());
+        }
+    }
+    
+protected:
+    void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
+        SkPoint result;
+        for (int outer = 0; outer < loops; ++outer) {
+            for (int i = 0; i < 10000; ++i) {

[mtklein, 2015/03/19 17:06:25]

Might want to drop these inner loops?

+                SkEvalQuadAt(fPts, 0.5f, &result);
+            }
+        }
+    }
+};
+DEF_BENCH( return new EvalQuadAt0; )
+
+class EvalQuadAt1 : public GeometryBench {
+    SkPoint fPts[3];
+public:
+    EvalQuadAt1() : GeometryBench("evalquadat1") {
+        SkRandom rand;
+        for (int i = 0; i < 3; ++i) {
+            fPts[i].set(rand.nextUScalar1(), rand.nextUScalar1());
+        }
+    }
+    
+protected:
+    void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
+        for (int outer = 0; outer < loops; ++outer) {
+            for (int i = 0; i < 10000; ++i) {
+                SkEvalQuadAt(fPts, 0.5f);
+            }
+        }
+    }
+};
+DEF_BENCH( return new EvalQuadAt1; )
+