| // Copyright 2019 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "dawn/platform/tracing/EventTracer.h" |
| #include "dawn/common/Assert.h" |
| #include "dawn/platform/DawnPlatform.h" |
| |
| namespace dawn::platform::tracing { |
| |
| const unsigned char* GetTraceCategoryEnabledFlag(Platform* platform, TraceCategory category) { |
| static unsigned char disabled = 0; |
| if (platform == nullptr) { |
| return &disabled; |
| } |
| |
| const unsigned char* categoryEnabledFlag = platform->GetTraceCategoryEnabledFlag(category); |
| if (categoryEnabledFlag != nullptr) { |
| return categoryEnabledFlag; |
| } |
| |
| return &disabled; |
| } |
| |
| TraceEventHandle AddTraceEvent(Platform* platform, |
| char phase, |
| const unsigned char* categoryGroupEnabled, |
| const char* name, |
| uint64_t id, |
| int numArgs, |
| const char** argNames, |
| const unsigned char* argTypes, |
| const uint64_t* argValues, |
| unsigned char flags) { |
| ASSERT(platform != nullptr); |
| |
| double timestamp = platform->MonotonicallyIncreasingTime(); |
| if (timestamp != 0) { |
| TraceEventHandle handle = |
| platform->AddTraceEvent(phase, categoryGroupEnabled, name, id, timestamp, numArgs, |
| argNames, argTypes, argValues, flags); |
| return handle; |
| } |
| |
| return static_cast<TraceEventHandle>(0); |
| } |
| |
| } // namespace dawn::platform::tracing |