| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #import "flutter/shell/platform/darwin/ios/ios_context_metal_impeller.h" |
| #include "flutter/impeller/entity/mtl/entity_shaders.h" |
| #import "flutter/shell/platform/darwin/ios/ios_external_texture_metal.h" |
| |
| namespace flutter { |
| |
| IOSContextMetalImpeller::IOSContextMetalImpeller() |
| : IOSContext(MsaaSampleCount::kFour), |
| darwin_context_metal_impeller_(fml::scoped_nsobject<FlutterDarwinContextMetalImpeller>{ |
| [[FlutterDarwinContextMetalImpeller alloc] init]}) {} |
| |
| IOSContextMetalImpeller::~IOSContextMetalImpeller() = default; |
| |
| fml::scoped_nsobject<FlutterDarwinContextMetalSkia> IOSContextMetalImpeller::GetDarwinContext() |
| const { |
| return fml::scoped_nsobject<FlutterDarwinContextMetalSkia>{}; |
| } |
| |
| IOSRenderingBackend IOSContextMetalImpeller::GetBackend() const { |
| return IOSRenderingBackend::kImpeller; |
| } |
| |
| sk_sp<GrDirectContext> IOSContextMetalImpeller::GetMainContext() const { |
| return nullptr; |
| } |
| |
| sk_sp<GrDirectContext> IOSContextMetalImpeller::GetResourceContext() const { |
| return nullptr; |
| } |
| |
| // |IOSContext| |
| sk_sp<GrDirectContext> IOSContextMetalImpeller::CreateResourceContext() { |
| return nullptr; |
| } |
| |
| // |IOSContext| |
| std::shared_ptr<impeller::Context> IOSContextMetalImpeller::GetImpellerContext() const { |
| return darwin_context_metal_impeller_.get().context; |
| } |
| |
| // |IOSContext| |
| std::unique_ptr<GLContextResult> IOSContextMetalImpeller::MakeCurrent() { |
| // This only makes sense for contexts that need to be bound to a specific thread. |
| return std::make_unique<GLContextDefaultResult>(true); |
| } |
| |
| // |IOSContext| |
| std::unique_ptr<Texture> IOSContextMetalImpeller::CreateExternalTexture( |
| int64_t texture_id, |
| fml::scoped_nsobject<NSObject<FlutterTexture>> texture) { |
| return std::make_unique<IOSExternalTextureMetal>( |
| fml::scoped_nsobject<FlutterDarwinExternalTextureMetal>{ |
| [[darwin_context_metal_impeller_ createExternalTextureWithIdentifier:texture_id |
| texture:texture] retain]}); |
| } |
| |
| } // namespace flutter |