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// 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 "common/Assert.h"
#include "dawn_platform/DawnPlatform.h"
namespace dawn_platform { namespace 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