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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/viz/service/input/peak_gpu_memory_tracker_impl.h"
#include <memory>
#include <utility>
#include "components/viz/common/resources/peak_gpu_memory_callback.h"
#include "components/viz/common/resources/peak_gpu_memory_tracker_util.h"
#include "components/viz/service/gl/gpu_service_impl.h"
namespace viz {
PeakGpuMemoryTrackerImpl::PeakGpuMemoryTrackerImpl(
PeakGpuMemoryTracker::Usage usage,
GpuServiceImpl* gpu_service)
: usage_(usage),
gpu_service_(gpu_service),
sequence_num_(GetNextSequenceNumber(SequenceLocation::kGpuProcess)) {
// Actually performs request to GPU service to begin memory tracking for
// |sequence_number_|.
if (gpu_service_) {
gpu_service_->StartPeakMemoryMonitor(sequence_num_);
}
}
PeakGpuMemoryTrackerImpl::~PeakGpuMemoryTrackerImpl() {
if (canceled_) {
return;
}
// PeakGpuMemoryCallback safely runs on GpuMain thread when peak GPU memory
// usage is requested from the VizCompositor thread. |testing_callback| is not
// provided here, since no synchronization of work is required by tests as
// it's directly run on GpuMain thread.
gpu_service_->GetPeakMemoryUsage(
sequence_num_,
base::BindOnce(&PeakGpuMemoryCallback, usage_, base::DoNothing()));
}
void PeakGpuMemoryTrackerImpl::Cancel() {
canceled_ = true;
if (gpu_service_) {
gpu_service_->GetPeakMemoryUsage(sequence_num_, base::DoNothing());
}
}
} // namespace viz
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