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ios_surface_noop.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_DARWIN_IOS_IOS_SURFACE_NOOP_H_
6 #define FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_SURFACE_NOOP_H_
7 
10 
11 #include "third_party/skia/include/core/SkSurface.h"
12 
13 @class CALayer;
14 
15 namespace flutter {
16 
17 /// @brief A rendering surface that accepts rendering intent but does not render
18 /// anything.
19 ///
20 /// This is useful for running on platforms that need an engine instance and
21 /// don't have the required drivers.
22 class IOSSurfaceNoop final : public IOSSurface {
23  public:
24  explicit IOSSurfaceNoop(std::shared_ptr<IOSContext> context);
25 
26  ~IOSSurfaceNoop() override;
27 
28  // |IOSSurface|
29  bool IsValid() const override;
30 
31  // |IOSSurface|
32  void UpdateStorageSizeIfNecessary() override;
33 
34  // |IOSSurface|
35  std::unique_ptr<Surface> CreateGPUSurface(GrDirectContext* gr_context = nullptr) override;
36 
37  private:
38  IOSSurfaceNoop(const IOSSurfaceNoop&) = delete;
39 
40  IOSSurfaceNoop& operator=(const IOSSurfaceNoop&) = delete;
41 };
42 
43 } // namespace flutter
44 
45 #endif // FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_SURFACE_NOOP_H_
flutter::IOSSurfaceNoop::IsValid
bool IsValid() const override
Definition: ios_surface_noop.mm:28
flutter::IOSSurfaceNoop::IOSSurfaceNoop
IOSSurfaceNoop(std::shared_ptr< IOSContext > context)
Definition: ios_surface_noop.mm:23
flutter::IOSSurfaceNoop::CreateGPUSurface
std::unique_ptr< Surface > CreateGPUSurface(GrDirectContext *gr_context=nullptr) override
Definition: ios_surface_noop.mm:34
flutter::IOSSurface
Definition: ios_surface.h:20
ios_surface.h
flutter::IOSSurfaceNoop::~IOSSurfaceNoop
~IOSSurfaceNoop() override
flutter
Definition: accessibility_bridge.h:27
flutter::IOSSurfaceNoop::UpdateStorageSizeIfNecessary
void UpdateStorageSizeIfNecessary() override
Definition: ios_surface_noop.mm:32
flutter::IOSSurfaceNoop
A rendering surface that accepts rendering intent but does not render anything.
Definition: ios_surface_noop.h:22
ios_context.h