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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_COMMON_GPU_DEVTOOLS_GPU_INSTRUMENTATION_H_
#define CONTENT_COMMON_GPU_DEVTOOLS_GPU_INSTRUMENTATION_H_
#include <vector>
#include "base/basictypes.h"
#include "base/threading/non_thread_safe.h"
namespace content {
class DevToolsGpuAgent;
class GpuChannel;
class GpuEventsDispatcher : public base::NonThreadSafe {
public:
enum EventPhase {
kEventStart,
kEventFinish
};
GpuEventsDispatcher();
~GpuEventsDispatcher();
void AddProcessor(DevToolsGpuAgent* processor);
void RemoveProcessor(DevToolsGpuAgent* processor);
static void FireEvent(EventPhase phase, GpuChannel* channel) {
if (!IsEnabled())
return;
DoFireEvent(phase, channel);
}
private:
static bool IsEnabled() { return enabled_; }
static void DoFireEvent(EventPhase, GpuChannel* channel);
static bool enabled_;
std::vector<DevToolsGpuAgent*> processors_;
};
namespace devtools_gpu_instrumentation {
class ScopedGpuTask {
public:
explicit ScopedGpuTask(GpuChannel* channel) :
channel_(channel) {
GpuEventsDispatcher::FireEvent(GpuEventsDispatcher::kEventStart, channel_);
}
~ScopedGpuTask() {
GpuEventsDispatcher::FireEvent(GpuEventsDispatcher::kEventFinish, channel_);
}
private:
GpuChannel* channel_;
DISALLOW_COPY_AND_ASSIGN(ScopedGpuTask);
};
} // namespace devtools_gpu_instrumentation
} // namespace content
#endif // CONTENT_COMMON_GPU_DEVTOOLS_GPU_INSTRUMENTATION_H_
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