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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
5 #import "flutter/shell/platform/darwin/ios/ios_context_metal_impeller.h"
6 #include "flutter/impeller/entity/mtl/entity_shaders.h"
7 #import "flutter/shell/platform/darwin/ios/ios_external_texture_metal.h"
8
9 FLUTTER_ASSERT_ARC
10
11 namespace flutter {
12
13 IOSContextMetalImpeller::IOSContextMetalImpeller(
14 const std::shared_ptr<const fml::SyncSwitch>& is_gpu_disabled_sync_switch)
15 : darwin_context_metal_impeller_(fml::scoped_nsobject<FlutterDarwinContextMetalImpeller>{
16 [[FlutterDarwinContextMetalImpeller alloc] init:is_gpu_disabled_sync_switch]}) {}
17
18 IOSContextMetalImpeller::~IOSContextMetalImpeller() = default;
19
20 IOSRenderingBackend IOSContextMetalImpeller::GetBackend() const {
21 return IOSRenderingBackend::kImpeller;
22 }
23
24 sk_sp<GrDirectContext> IOSContextMetalImpeller::GetMainContext() const {
25 return nullptr;
26 }
27
28 sk_sp<GrDirectContext> IOSContextMetalImpeller::GetResourceContext() const {
29 return nullptr;
30 }
31
32 // |IOSContext|
33 sk_sp<GrDirectContext> IOSContextMetalImpeller::CreateResourceContext() {
34 return nullptr;
35 }
36
37 // |IOSContext|
38 std::shared_ptr<impeller::Context> IOSContextMetalImpeller::GetImpellerContext() const {
39 return darwin_context_metal_impeller_.get().context;
40 }
41
42 // |IOSContext|
43 std::unique_ptr<GLContextResult> IOSContextMetalImpeller::MakeCurrent() {
44 // This only makes sense for contexts that need to be bound to a specific thread.
45 return std::make_unique<GLContextDefaultResult>(true);
46 }
47
48 // |IOSContext|
49 std::unique_ptr<Texture> IOSContextMetalImpeller::CreateExternalTexture(
50 int64_t texture_id,
51 fml::scoped_nsobject<NSObject<FlutterTexture>> texture) {
52 return std::make_unique<IOSExternalTextureMetal>(
53 fml::scoped_nsobject<FlutterDarwinExternalTextureMetal>{[darwin_context_metal_impeller_
54 createExternalTextureWithIdentifier:texture_id
55 texture:texture]});
56 }
57
58 } // 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::IOSRenderingBackend
IOSRenderingBackend
Definition: rendering_api_selection.h:19
flutter::IOSRenderingBackend::kImpeller
@ kImpeller
flutter
Definition: accessibility_bridge.h:28
ios_external_texture_metal.h
flutter::IOSContextMetalImpeller::IOSContextMetalImpeller
IOSContextMetalImpeller(const std::shared_ptr< const fml::SyncSwitch > &is_gpu_disabled_sync_switch)
texture_id
int64_t texture_id
Definition: texture_registrar_unittests.cc:24
FLUTTER_ASSERT_ARC
Definition: FlutterChannelKeyResponder.mm:13
flutter::IOSContextMetalImpeller::GetBackend
IOSRenderingBackend GetBackend() const override
Get the rendering backend used by this context.