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compositor.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef FLUTTER_SHELL_PLATFORM_WINDOWS_COMPOSITOR_H_
6 #define FLUTTER_SHELL_PLATFORM_WINDOWS_COMPOSITOR_H_
7
8 #include "flutter/shell/platform/embedder/embedder.h"
9
10 namespace flutter {
11
12 // Enables the Flutter engine to render content on Windows.
13 //
14 // The engine uses this to:
15 //
16 // 1. Create backing stores used for rendering Flutter content
17 // 2. Composite and present Flutter content and platform views onto a view
18 //
19 // Platform views are not yet supported.
20 class Compositor {
21 public:
22 virtual ~Compositor() = default;
23
24 // Creates a backing store used for rendering Flutter content.
25 //
26 // The backing store's configuration is stored in |backing_store_out|.
27 virtual bool CreateBackingStore(const FlutterBackingStoreConfig& config,
28 FlutterBackingStore* backing_store_out) = 0;
29
30 // Destroys a backing store and releases its resources.
31 virtual bool CollectBackingStore(const FlutterBackingStore* store) = 0;
32
33 // Present Flutter content and platform views onto the view.
34 virtual bool Present(FlutterViewId view_id,
35 const FlutterLayer** layers,
36 size_t layers_count) = 0;
37 };
38
39 } // namespace flutter
40
41 #endif // FLUTTER_SHELL_PLATFORM_WINDOWS_COMPOSITOR_H_
flutter::Compositor::CollectBackingStore
virtual bool CollectBackingStore(const FlutterBackingStore *store)=0
flutter::Compositor::Present
virtual bool Present(FlutterViewId view_id, const FlutterLayer **layers, size_t layers_count)=0
flutter::Compositor::CreateBackingStore
virtual bool CreateBackingStore(const FlutterBackingStoreConfig &config, FlutterBackingStore *backing_store_out)=0
flutter::Compositor::~Compositor
virtual ~Compositor()=default
flutter::FlutterViewId
int64_t FlutterViewId
Definition: flutter_view.h:13
flutter
Definition: accessibility_bridge_windows.cc:11
flutter::Compositor
Definition: compositor.h:20