File: display_scheduler_base.h

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (72 lines) | stat: -rw-r--r-- 2,515 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
// 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_