Initial import of Cobalt 2.8885 2016-07-27
diff --git a/src/third_party/skia/bench/RefCntBench.cpp b/src/third_party/skia/bench/RefCntBench.cpp
new file mode 100644
index 0000000..f846b1a
--- /dev/null
+++ b/src/third_party/skia/bench/RefCntBench.cpp
@@ -0,0 +1,251 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include <memory>
+#include "Benchmark.h"
+#include "SkRefCnt.h"
+#include "SkThread.h"
+#include "SkWeakRefCnt.h"
+
+enum {
+ M = 2
+};
+
+class AtomicInc32 : public Benchmark {
+public:
+ AtomicInc32() : fX(0) {}
+
+ virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+ return backend == kNonRendering_Backend;
+ }
+
+protected:
+ virtual const char* onGetName() {
+ return "atomic_inc_32";
+ }
+
+ virtual void onDraw(const int loops, SkCanvas*) {
+ for (int i = 0; i < loops; ++i) {
+ sk_atomic_inc(&fX);
+ }
+ }
+
+private:
+ int32_t fX;
+ typedef Benchmark INHERITED;
+};
+
+class AtomicInc64 : public Benchmark {
+public:
+ AtomicInc64() : fX(0) {}
+
+ virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+ return backend == kNonRendering_Backend;
+ }
+
+protected:
+ virtual const char* onGetName() {
+ return "atomic_inc_64";
+ }
+
+ virtual void onDraw(const int loops, SkCanvas*) {
+ for (int i = 0; i < loops; ++i) {
+ sk_atomic_inc(&fX);
+ }
+ }
+
+private:
+ int64_t fX;
+ typedef Benchmark INHERITED;
+};
+
+class RefCntBench_Stack : public Benchmark {
+public:
+ virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+ return backend == kNonRendering_Backend;
+ }
+
+protected:
+ virtual const char* onGetName() {
+ return "ref_cnt_stack";
+ }
+
+ virtual void onDraw(const int loops, SkCanvas*) {
+ for (int i = 0; i < loops; ++i) {
+ SkRefCnt ref;
+ for (int j = 0; j < M; ++j) {
+ ref.ref();
+ ref.unref();
+ }
+ }
+ }
+
+private:
+ typedef Benchmark INHERITED;
+};
+
+class PlacedRefCnt : public SkRefCnt {
+public:
+ SK_DECLARE_INST_COUNT(PlacedRefCnt)
+
+ PlacedRefCnt() : SkRefCnt() { }
+ void operator delete(void*) { }
+
+private:
+ typedef SkRefCnt INHERITED;
+};
+
+class RefCntBench_Heap : public Benchmark {
+public:
+ virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+ return backend == kNonRendering_Backend;
+ }
+
+protected:
+ virtual const char* onGetName() {
+ return "ref_cnt_heap";
+ }
+
+ virtual void onDraw(const int loops, SkCanvas*) {
+ char memory[sizeof(PlacedRefCnt)];
+ for (int i = 0; i < loops; ++i) {
+ PlacedRefCnt* ref = new (memory) PlacedRefCnt();
+ for (int j = 0; j < M; ++j) {
+ ref->ref();
+ ref->unref();
+ }
+ ref->unref();
+ }
+ }
+
+private:
+ typedef Benchmark INHERITED;
+};
+
+class RefCntBench_New : public Benchmark {
+public:
+ virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+ return backend == kNonRendering_Backend;
+ }
+
+protected:
+ virtual const char* onGetName() {
+ return "ref_cnt_new";
+ }
+
+ virtual void onDraw(const int loops, SkCanvas*) {
+ for (int i = 0; i < loops; ++i) {
+ SkRefCnt* ref = new SkRefCnt();
+ for (int j = 0; j < M; ++j) {
+ ref->ref();
+ ref->unref();
+ }
+ ref->unref();
+ }
+ }
+
+private:
+ typedef Benchmark INHERITED;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+class WeakRefCntBench_Stack : public Benchmark {
+public:
+ virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+ return backend == kNonRendering_Backend;
+ }
+
+protected:
+ virtual const char* onGetName() {
+ return "ref_cnt_stack_weak";
+ }
+
+ virtual void onDraw(const int loops, SkCanvas*) {
+ for (int i = 0; i < loops; ++i) {
+ SkWeakRefCnt ref;
+ for (int j = 0; j < M; ++j) {
+ ref.ref();
+ ref.unref();
+ }
+ }
+ }
+
+private:
+ typedef Benchmark INHERITED;
+};
+
+class PlacedWeakRefCnt : public SkWeakRefCnt {
+public:
+ PlacedWeakRefCnt() : SkWeakRefCnt() { }
+ void operator delete(void*) { }
+};
+
+class WeakRefCntBench_Heap : public Benchmark {
+public:
+ virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+ return backend == kNonRendering_Backend;
+ }
+
+protected:
+ virtual const char* onGetName() {
+ return "ref_cnt_heap_weak";
+ }
+
+ virtual void onDraw(const int loops, SkCanvas*) {
+ char memory[sizeof(PlacedWeakRefCnt)];
+ for (int i = 0; i < loops; ++i) {
+ PlacedWeakRefCnt* ref = new (memory) PlacedWeakRefCnt();
+ for (int j = 0; j < M; ++j) {
+ ref->ref();
+ ref->unref();
+ }
+ ref->unref();
+ }
+ }
+
+private:
+ typedef Benchmark INHERITED;
+};
+
+class WeakRefCntBench_New : public Benchmark {
+public:
+ virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+ return backend == kNonRendering_Backend;
+ }
+
+protected:
+ virtual const char* onGetName() {
+ return "ref_cnt_new_weak";
+ }
+
+ virtual void onDraw(const int loops, SkCanvas*) {
+ for (int i = 0; i < loops; ++i) {
+ SkWeakRefCnt* ref = new SkWeakRefCnt();
+ for (int j = 0; j < M; ++j) {
+ ref->ref();
+ ref->unref();
+ }
+ ref->unref();
+ }
+ }
+
+private:
+ typedef Benchmark INHERITED;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+DEF_BENCH( return new AtomicInc32(); )
+DEF_BENCH( return new AtomicInc64(); )
+
+DEF_BENCH( return new RefCntBench_Stack(); )
+DEF_BENCH( return new RefCntBench_Heap(); )
+DEF_BENCH( return new RefCntBench_New(); )
+
+DEF_BENCH( return new WeakRefCntBench_Stack(); )
+DEF_BENCH( return new WeakRefCntBench_Heap(); )
+DEF_BENCH( return new WeakRefCntBench_New(); )
