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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/arc/tracing/present_frames_tracer.h"
#include "components/exo/surface.h"
namespace arc {
PresentFramesTracer::PresentFramesTracer() : weak_ptr_factory_(this) {}
PresentFramesTracer::~PresentFramesTracer() = default;
void PresentFramesTracer::AddCommit(base::TimeTicks commit_ts) {
commits_.emplace_back((commit_ts - base::TimeTicks()).InMicroseconds());
}
void PresentFramesTracer::AddPresent(base::TimeTicks present_ts) {
presents_.emplace_back((present_ts - base::TimeTicks()).InMicroseconds());
}
void PresentFramesTracer::ListenForPresent(exo::Surface* surface) {
surface->RequestPresentationCallback(
base::BindRepeating(&PresentFramesTracer::RecordPresentedFrame,
weak_ptr_factory_.GetWeakPtr()));
}
void PresentFramesTracer::RecordPresentedFrame(
const gfx::PresentationFeedback& frame) {
if (frame.failed() || frame.timestamp == base::TimeTicks()) {
// Ignore failed or discarded frame.
VLOG(5) << "Received bad frame with flags: " << frame.flags;
return;
}
// Convert base::TimeTicks to base::TimeDelta in microseconds.
presents_.emplace_back(
(frame.timestamp - base::TimeTicks()).InMicroseconds());
}
} // namespace arc
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