Flutter Impeller
playground_impl_mtl.h
Go to the documentation of this file.
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_IMPELLER_PLAYGROUND_BACKEND_METAL_PLAYGROUND_IMPL_MTL_H_
6 #define FLUTTER_IMPELLER_PLAYGROUND_BACKEND_METAL_PLAYGROUND_IMPL_MTL_H_
7 
8 #include <memory>
9 
10 #include "flutter/fml/concurrent_message_loop.h"
11 #include "flutter/fml/synchronization/sync_switch.h"
14 
15 namespace impeller {
16 
17 // Forward declared to avoid objc in a C++ header.
18 class ContextMTL;
19 
20 class PlaygroundImplMTL final : public PlaygroundImpl {
21  public:
22  explicit PlaygroundImplMTL(PlaygroundSwitches switches);
23 
25 
26  fml::Status SetCapabilities(
27  const std::shared_ptr<Capabilities>& capabilities) override;
28 
29  private:
30  struct Data;
31 
32  static void DestroyWindowHandle(WindowHandle handle);
33  using UniqueHandle = std::unique_ptr<void, decltype(&DestroyWindowHandle)>;
34  UniqueHandle handle_;
35 
36  // To ensure that ObjC stuff doesn't leak into C++ TUs.
37  std::unique_ptr<Data> data_;
38  std::shared_ptr<ContextMTL> context_;
39  std::shared_ptr<fml::ConcurrentMessageLoop> concurrent_loop_;
40  std::shared_ptr<SwapchainTransientsMTL> swapchain_transients_;
41  std::shared_ptr<fml::SyncSwitch> is_gpu_disabled_sync_switch_;
42 
43  // |PlaygroundImpl|
44  std::shared_ptr<Context> GetContext() const override;
45 
46  // |PlaygroundImpl|
47  WindowHandle GetWindowHandle() const override;
48 
49  // |PlaygroundImpl|
50  std::unique_ptr<Surface> AcquireSurfaceFrame(
51  std::shared_ptr<Context> context) override;
52 
53  // |PlaygroundImpl|
54  void SetGPUDisabled(bool disabled) const override;
55 
56  PlaygroundImplMTL(const PlaygroundImplMTL&) = delete;
57 
58  PlaygroundImplMTL& operator=(const PlaygroundImplMTL&) = delete;
59 };
60 
61 } // namespace impeller
62 
63 #endif // FLUTTER_IMPELLER_PLAYGROUND_BACKEND_METAL_PLAYGROUND_IMPL_MTL_H_
fml::Status SetCapabilities(const std::shared_ptr< Capabilities > &capabilities) override
PlaygroundImplMTL(PlaygroundSwitches switches)