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cc / trees / layer_context.h [blame]
// 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.
#ifndef CC_TREES_LAYER_CONTEXT_H_
#define CC_TREES_LAYER_CONTEXT_H_
#include "cc/cc_export.h"
#include "cc/trees/commit_state.h"
#include "components/viz/common/surfaces/local_surface_id.h"
namespace viz {
class ClientResourceProvider;
class RasterContextProvider;
} // namespace viz
namespace cc {
class PictureLayerImpl;
class Tile;
// LayerContext provides an opaque interface through which a LayerTreeHost can
// control a backing LayerTreeHostImpl, potentially on another thread or in
// another process.
class CC_EXPORT LayerContext {
public:
virtual ~LayerContext() = default;
// Globally controls the visibility of layers within the tree.
virtual void SetVisible(bool visible) = 0;
// Pushes updates from `tree` into the context's display tree.
virtual void UpdateDisplayTreeFrom(
LayerTreeImpl& tree,
viz::ClientResourceProvider& resource_provider,
viz::RasterContextProvider& context_provider) = 0;
// Pushes an update to a single tile in the context's display tree.
virtual void UpdateDisplayTile(
PictureLayerImpl& layer,
const Tile& tile,
viz::ClientResourceProvider& resource_provider,
viz::RasterContextProvider& context_provider) = 0;
};
} // namespace cc
#endif // CC_TREES_LAYER_CONTEXT_H_