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36 lines
1004 B
C++
36 lines
1004 B
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_SHELL_COMMON_VSYNC_WAITER_FALLBACK_H_
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#define FLUTTER_SHELL_COMMON_VSYNC_WAITER_FALLBACK_H_
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#include "flutter/fml/macros.h"
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#include "flutter/fml/memory/weak_ptr.h"
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#include "flutter/fml/time/time_point.h"
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#include "flutter/shell/common/vsync_waiter.h"
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namespace flutter {
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/// A |VsyncWaiter| that will fire at 60 fps irrespective of the vsync.
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class VsyncWaiterFallback final : public VsyncWaiter {
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public:
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explicit VsyncWaiterFallback(const TaskRunners& task_runners,
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bool for_testing = false);
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~VsyncWaiterFallback() override;
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private:
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fml::TimePoint phase_;
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const bool for_testing_;
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// |VsyncWaiter|
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void AwaitVSync() override;
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FML_DISALLOW_COPY_AND_ASSIGN(VsyncWaiterFallback);
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};
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} // namespace flutter
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#endif // FLUTTER_SHELL_COMMON_VSYNC_WAITER_FALLBACK_H_
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