Flutter iOS Embedder
ios_surface.mm
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 
6 
7 #include <memory>
8 
9 #import "flutter/shell/platform/darwin/common/InternalFlutterSwiftCommon/InternalFlutterSwiftCommon.h"
13 
15 
16 namespace flutter {
17 
18 std::unique_ptr<IOSSurface> IOSSurface::Create(std::shared_ptr<IOSContext> context,
19  CALayer* layer) {
20  FML_DCHECK(layer);
21  FML_DCHECK(context);
22 
23  if (@available(iOS METAL_IOS_VERSION_BASELINE, *)) {
24  if ([layer isKindOfClass:[CAMetalLayer class]]) {
25  switch (context->GetBackend()) {
27  [FlutterLogger logFatal:@"Impeller opt-out unavailable."];
28  return nullptr;
30  return std::make_unique<IOSSurfaceMetalImpeller>(
31  static_cast<CAMetalLayer*>(layer), // Metal layer
32  std::move(context) // context
33  );
34  }
35  }
36  }
37  return std::make_unique<IOSSurfaceNoop>(std::move(context));
38 }
39 
40 IOSSurface::IOSSurface(std::shared_ptr<IOSContext> ios_context)
41  : ios_context_(std::move(ios_context)) {
42  FML_DCHECK(ios_context_);
43 }
44 
45 IOSSurface::~IOSSurface() = default;
46 
47 std::shared_ptr<IOSContext> IOSSurface::GetContext() const {
48  return ios_context_;
49 }
50 
51 } // namespace flutter
IOSSurface(std::shared_ptr< IOSContext > ios_context)
Definition: ios_surface.mm:40
static std::unique_ptr< IOSSurface > Create(std::shared_ptr< IOSContext > context, CALayer *layer)
Definition: ios_surface.mm:18
std::shared_ptr< IOSContext > GetContext() const
Definition: ios_surface.mm:47
#define METAL_IOS_VERSION_BASELINE