Flutter iOS Embedder
ios_context_metal_impeller.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 
6 #include "flutter/impeller/entity/mtl/entity_shaders.h"
8 
9 namespace flutter {
10 
12  std::shared_ptr<const fml::SyncSwitch> is_gpu_disabled_sync_switch)
13  : IOSContext(MsaaSampleCount::kFour),
14  darwin_context_metal_impeller_(fml::scoped_nsobject<FlutterDarwinContextMetalImpeller>{
15  [[FlutterDarwinContextMetalImpeller alloc]
16  init:std::move(is_gpu_disabled_sync_switch)]}) {}
17 
19 
20 fml::scoped_nsobject<FlutterDarwinContextMetalSkia> IOSContextMetalImpeller::GetDarwinContext()
21  const {
22  return fml::scoped_nsobject<FlutterDarwinContextMetalSkia>{};
23 }
24 
27 }
28 
29 sk_sp<GrDirectContext> IOSContextMetalImpeller::GetMainContext() const {
30  return nullptr;
31 }
32 
33 sk_sp<GrDirectContext> IOSContextMetalImpeller::GetResourceContext() const {
34  return nullptr;
35 }
36 
37 // |IOSContext|
38 sk_sp<GrDirectContext> IOSContextMetalImpeller::CreateResourceContext() {
39  return nullptr;
40 }
41 
42 // |IOSContext|
43 std::shared_ptr<impeller::Context> IOSContextMetalImpeller::GetImpellerContext() const {
44  return darwin_context_metal_impeller_.get().context;
45 }
46 
47 // |IOSContext|
48 std::unique_ptr<GLContextResult> IOSContextMetalImpeller::MakeCurrent() {
49  // This only makes sense for contexts that need to be bound to a specific thread.
50  return std::make_unique<GLContextDefaultResult>(true);
51 }
52 
53 // |IOSContext|
54 std::unique_ptr<Texture> IOSContextMetalImpeller::CreateExternalTexture(
55  int64_t texture_id,
56  fml::scoped_nsobject<NSObject<FlutterTexture>> texture) {
57  return std::make_unique<IOSExternalTextureMetal>(
58  fml::scoped_nsobject<FlutterDarwinExternalTextureMetal>{
59  [[darwin_context_metal_impeller_ createExternalTextureWithIdentifier:texture_id
60  texture:texture] retain]});
61 }
62 
63 } // namespace flutter
flutter::IOSContextMetalImpeller::~IOSContextMetalImpeller
~IOSContextMetalImpeller()
ios_context_metal_impeller.h
flutter::IOSContextMetalImpeller::GetResourceContext
sk_sp< GrDirectContext > GetResourceContext() const
flutter::IOSContextMetalImpeller::GetMainContext
sk_sp< GrDirectContext > GetMainContext() const override
Accessor for the Skia context associated with IOSSurfaces and the raster thread.
flutter::IOSContextMetalImpeller::GetDarwinContext
fml::scoped_nsobject< FlutterDarwinContextMetalSkia > GetDarwinContext() const
flutter::IOSContextMetalImpeller::IOSContextMetalImpeller
IOSContextMetalImpeller(std::shared_ptr< const fml::SyncSwitch > is_gpu_disabled_sync_switch)
flutter::IOSRenderingBackend
IOSRenderingBackend
Definition: rendering_api_selection.h:19
flutter::IOSRenderingBackend::kImpeller
@ kImpeller
flutter
Definition: accessibility_bridge.h:28
ios_external_texture_metal.h
texture_id
int64_t texture_id
Definition: texture_registrar_unittests.cc:24
flutter::IOSContextMetalImpeller::GetBackend
IOSRenderingBackend GetBackend() const override
Get the rendering backend used by this context.