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ios_surface.mm
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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 #import "flutter/shell/platform/darwin/ios/ios_surface.h"
6
7 #import "flutter/shell/platform/darwin/ios/ios_surface_software.h"
8
9 #include "flutter/shell/platform/darwin/ios/rendering_api_selection.h"
10
11 #if SHELL_ENABLE_METAL
12 #import "flutter/shell/platform/darwin/ios/ios_surface_metal_impeller.h"
13 #import "flutter/shell/platform/darwin/ios/ios_surface_metal_skia.h"
14 #endif // SHELL_ENABLE_METAL
15
16 namespace flutter {
17
18 std::unique_ptr<IOSSurface> IOSSurface::Create(std::shared_ptr<IOSContext> context,
19 const fml::scoped_nsobject<CALayer>& layer) {
20 FML_DCHECK(layer);
21 FML_DCHECK(context);
22
23 #if SHELL_ENABLE_METAL
24 if (@available(iOS METAL_IOS_VERSION_BASELINE, *)) {
25 if ([layer.get() isKindOfClass:[CAMetalLayer class]]) {
26 switch (context->GetBackend()) {
27 case IOSRenderingBackend::kSkia:
28 return std::make_unique<IOSSurfaceMetalSkia>(
29 fml::scoped_nsobject<CAMetalLayer>(
30 reinterpret_cast<CAMetalLayer*>([layer.get() retain])), // Metal layer
31 std::move(context) // context
32 );
33 break;
34 case IOSRenderingBackend::kImpeller:
35 return std::make_unique<IOSSurfaceMetalImpeller>(
36 fml::scoped_nsobject<CAMetalLayer>(
37 reinterpret_cast<CAMetalLayer*>([layer.get() retain])), // Metal layer
38 std::move(context) // context
39 );
40 }
41 }
42 }
43 #endif // SHELL_ENABLE_METAL
44
45 return std::make_unique<IOSSurfaceSoftware>(layer, // layer
46 std::move(context) // context
47 );
48 }
49
50 IOSSurface::IOSSurface(std::shared_ptr<IOSContext> ios_context)
51 : ios_context_(std::move(ios_context)) {
52 FML_DCHECK(ios_context_);
53 }
54
55 IOSSurface::~IOSSurface() = default;
56
57 std::shared_ptr<IOSContext> IOSSurface::GetContext() const {
58 return ios_context_;
59 }
60
61 } // namespace flutter
flutter::IOSRenderingBackend::kSkia
@ kSkia
ios_surface_metal_skia.h
ios_surface_software.h
ios_surface.h
flutter::IOSSurface::IOSSurface
IOSSurface(std::shared_ptr< IOSContext > ios_context)
Definition: ios_surface.mm:50
flutter::IOSRenderingBackend::kImpeller
@ kImpeller
flutter
Definition: accessibility_bridge.h:28
ios_surface_metal_impeller.h
METAL_IOS_VERSION_BASELINE
#define METAL_IOS_VERSION_BASELINE
Definition: rendering_api_selection.h:40
rendering_api_selection.h
flutter::IOSSurface::GetContext
std::shared_ptr< IOSContext > GetContext() const
Definition: ios_surface.mm:57
flutter::IOSSurface::Create
static std::unique_ptr< IOSSurface > Create(std::shared_ptr< IOSContext > context, const fml::scoped_nsobject< CALayer > &layer)
Definition: ios_surface.mm:18
flutter::IOSSurface::~IOSSurface
virtual ~IOSSurface()