chromium/cc/trees/single_thread_proxy.h

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_TREES_SINGLE_THREAD_PROXY_H_
#define CC_TREES_SINGLE_THREAD_PROXY_H_

#include <limits>
#include <memory>
#include <vector>

#include "base/cancelable_callback.h"
#include "base/containers/flat_set.h"
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "base/types/optional_ref.h"
#include "cc/input/browser_controls_offset_tags_info.h"
#include "cc/scheduler/scheduler.h"
#include "cc/trees/layer_tree_host_impl.h"
#include "cc/trees/paint_holding_reason.h"
#include "cc/trees/proxy.h"
#include "cc/trees/task_runner_provider.h"
#include "components/viz/common/frame_sinks/begin_frame_args.h"
#include "components/viz/common/surfaces/local_surface_id.h"

namespace viz {
class BeginFrameSource;
struct FrameTimingDetails;
}

namespace cc {

class LayerTreeHost;
class LayerTreeHostSingleThreadClient;
class RenderFrameMetadataObserver;

class CC_EXPORT SingleThreadProxy : public Proxy,
                                    LayerTreeHostImplClient,
                                    public SchedulerClient { … };

// For use in the single-threaded case. In debug builds, it pretends that the
// code is running on the impl thread to satisfy assertion checks.
class DebugScopedSetImplThread { … };

// For use in the single-threaded case. In debug builds, it pretends that the
// code is running on the main thread to satisfy assertion checks.
class DebugScopedSetMainThread { … };

// For use in the single-threaded case. In debug builds, it pretends that the
// code is running on the impl thread and that the main thread is blocked to
// satisfy assertion checks
class DebugScopedSetImplThreadAndMainThreadBlocked { … };

}  // namespace cc

#endif  // CC_TREES_SINGLE_THREAD_PROXY_H_