commit to xfermode objects being immutable

bench/XfermodeBench.cpp

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBenchmark.h"
 #include "SkCanvas.h"
@@ skipping 44 matching lines @@
     enum {
         kMinSize = 50,
         kMaxSize = 100,
     };
     SkAutoTUnref<SkXfermode> fXfermode;
     SkString fName;
 
     typedef SkBenchmark INHERITED;
 };
 
+class XferCreateBench : public SkBenchmark {
+public:
+    XferCreateBench() {
+        fIsRendering = false;
+    }
+    
+protected:
+    virtual const char* onGetName() SK_OVERRIDE { return "xfermode_create"; }
+
+    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+        for (int outer = 0; outer < this->getLoops() * 10; ++outer) {
+            for (int i = 0; i <= SkXfermode::kLastMode; ++i) {
+                SkXfermode* xfer = SkXfermode::Create(SkXfermode::Mode(i));
+                SkSafeUnref(xfer);
+            }
+        }
+    }
+    
+private:
+    typedef SkBenchmark INHERITED;
+};
+
 //////////////////////////////////////////////////////////////////////////////
 
 #define CONCAT_I(x, y) x ## y
 #define CONCAT(x, y) CONCAT_I(x, y) // allow for macro expansion
 #define BENCH(...) \
     DEF_BENCH( return new XfermodeBench(__VA_ARGS__); );\
 
 
 BENCH(SkXfermode::kClear_Mode)
 BENCH(SkXfermode::kSrc_Mode)
@@ skipping 24 matching lines @@
 BENCH(SkXfermode::kMultiply_Mode)
 
 BENCH(SkXfermode::kHue_Mode)
 BENCH(SkXfermode::kSaturation_Mode)
 BENCH(SkXfermode::kColor_Mode)
 BENCH(SkXfermode::kLuminosity_Mode)
 
 BENCH(SkLumaMaskXfermode::Create(SkXfermode::kSrcIn_Mode), "SrcInLuma")
 BENCH(SkLumaMaskXfermode::Create(SkXfermode::kDstIn_Mode), "DstInLuma")
 BENCH(SkLumaMaskXfermode::Create(SkXfermode::kSrcOver_Mode), "SrcOverLuma")
+
+DEF_BENCH(return new XferCreateBench;)