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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_VIZ_SERVICE_DISPLAY_DISPLAY_SCHEDULER_BASE_H_
#define COMPONENTS_VIZ_SERVICE_DISPLAY_DISPLAY_SCHEDULER_BASE_H_
#include <optional>
#include "base/containers/flat_set.h"
#include "base/memory/raw_ptr.h"
#include "base/threading/platform_thread.h"
#include "base/time/time.h"
#include "components/viz/service/display/display_damage_tracker.h"
#include "components/viz/service/performance_hint/hint_session.h"
#include "components/viz/service/viz_service_export.h"
namespace viz {
struct BeginFrameAck;
class DisplayDamageTracker;
// |frame_time| is the the start of the VSync interval of this frame.
// |expected_display_time| is used as video timestamps for capturing frame
// sinks. DisplayScheduler passes the end of current VSync interval.
struct DrawAndSwapParams {
base::TimeTicks frame_time;
base::TimeTicks expected_display_time;
int max_pending_swaps = -1;
std::optional<int64_t> choreographer_vsync_id;
};
class VIZ_SERVICE_EXPORT DisplaySchedulerClient {
public:
virtual ~DisplaySchedulerClient() = default;
virtual bool DrawAndSwap(const DrawAndSwapParams& params) = 0;
virtual void DidFinishFrame(const BeginFrameAck& ack) = 0;
};
class VIZ_SERVICE_EXPORT DisplaySchedulerBase
: public DisplayDamageTracker::Delegate {
public:
DisplaySchedulerBase();
~DisplaySchedulerBase() override;
void SetClient(DisplaySchedulerClient* client);
virtual void SetDamageTracker(DisplayDamageTracker* damage_tracker);
virtual void SetVisible(bool visible) = 0;
virtual void ForceImmediateSwapIfPossible() = 0;
virtual void SetNeedsOneBeginFrame(bool needs_draw) = 0;
virtual void DidSwapBuffers() = 0;
virtual void DidReceiveSwapBuffersAck() = 0;
virtual void OutputSurfaceLost() = 0;
// ReportFrameTime can use ADPF hints. If ADPF hints are used they will be run
// with the |boost_type| boost type.
virtual void ReportFrameTime(
base::TimeDelta frame_time,
base::flat_set<base::PlatformThreadId> animation_thread_ids,
base::flat_set<base::PlatformThreadId> renderer_main_thread_ids,
base::TimeTicks draw_start,
HintSession::BoostType boost_type) = 0;
protected:
raw_ptr<DisplaySchedulerClient> client_ = nullptr;
raw_ptr<DisplayDamageTracker> damage_tracker_ = nullptr;
};
} // namespace viz
#endif // COMPONENTS_VIZ_SERVICE_DISPLAY_DISPLAY_SCHEDULER_BASE_H_
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