The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/utils/SkEventTracer.cpp
gfx/skia/trunk/src/utils/SkEventTracer.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:c79dc266bf2f |
|---|---|
| 1 /* | |
| 2 * Copyright 2014 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #include "SkEventTracer.h" | |
| 9 #include "SkOnce.h" | |
| 10 | |
| 11 class SkDefaultEventTracer: public SkEventTracer { | |
| 12 virtual SkEventTracer::Handle | |
| 13 addTraceEvent(char phase, | |
| 14 const uint8_t* categoryEnabledFlag, | |
| 15 const char* name, | |
| 16 uint64_t id, | |
| 17 int numArgs, | |
| 18 const char** argNames, | |
| 19 const uint8_t* argTypes, | |
| 20 const uint64_t* argValues, | |
| 21 uint8_t flags) SK_OVERRIDE { return 0; } | |
| 22 | |
| 23 virtual void | |
| 24 updateTraceEventDuration(const uint8_t* categoryEnabledFlag, | |
| 25 const char* name, | |
| 26 SkEventTracer::Handle handle) SK_OVERRIDE {}; | |
| 27 | |
| 28 virtual const uint8_t* getCategoryGroupEnabled(const char* name) SK_OVERRIDE { | |
| 29 static uint8_t no = 0; | |
| 30 return &no; | |
| 31 }; | |
| 32 virtual const char* getCategoryGroupName( | |
| 33 const uint8_t* categoryEnabledFlag) SK_OVERRIDE { | |
| 34 static const char* dummy = "dummy"; | |
| 35 return dummy; | |
| 36 }; | |
| 37 }; | |
| 38 | |
| 39 SkEventTracer *SkEventTracer::gInstance; | |
| 40 | |
| 41 static void intialiize_default_tracer(void *current_instance) { | |
| 42 if (NULL == current_instance) { | |
| 43 SkEventTracer::SetInstance(SkNEW(SkDefaultEventTracer)); | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 static void cleanup_tracer() { | |
| 48 // calling SetInstance will delete the existing instance. | |
| 49 SkEventTracer::SetInstance(NULL); | |
| 50 } | |
| 51 | |
| 52 SkEventTracer* SkEventTracer::GetInstance() { | |
| 53 SK_DECLARE_STATIC_ONCE(once); | |
| 54 SkOnce(&once, | |
| 55 intialiize_default_tracer, | |
| 56 SkEventTracer::gInstance, | |
| 57 cleanup_tracer); | |
| 58 SkASSERT(NULL != SkEventTracer::gInstance); | |
| 59 return SkEventTracer::gInstance; | |
| 60 } |
