| Flutter iOS Embedder |

ios_context_software.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
5 #import "flutter/shell/platform/darwin/ios/ios_context_software.h"
6 #include "ios_context.h"
7
8 namespace flutter {
9
10 IOSContextSoftware::IOSContextSoftware() : IOSContext(MsaaSampleCount::kNone) {}
11
12 // |IOSContext|
13 IOSContextSoftware::~IOSContextSoftware() = default;
14
15 // |IOSContext|
16 sk_sp<GrDirectContext> IOSContextSoftware::CreateResourceContext() {
17 return nullptr;
18 }
19
20 // |IOSContext|
21 sk_sp<GrDirectContext> IOSContextSoftware::GetMainContext() const {
22 return nullptr;
23 }
24
25 // |IOSContext|
26 std::unique_ptr<GLContextResult> IOSContextSoftware::MakeCurrent() {
27 // This only makes sense for context that need to be bound to a specific thread.
28 return std::make_unique<GLContextDefaultResult>(false);
29 }
30
31 // |IOSContext|
32 std::unique_ptr<Texture> IOSContextSoftware::CreateExternalTexture(
33 int64_t texture_id,
34 fml::scoped_nsobject<NSObject<FlutterTexture>> texture) {
35 // Don't use FML for logging as it will contain engine specific details. This is a user facing
36 // message.
37 NSLog(@"Flutter: Attempted to composite external texture sources using the software backend. "
38 @"This backend is only used on simulators. This feature is only available on actual "
39 @"devices where OpenGL or Metal is used for rendering.");
40
41 // Not supported in this backend.
42 return nullptr;
43 }
44
45 } // namespace flutter
flutter::IOSContextSoftware::IOSContextSoftware
IOSContextSoftware()
Definition: ios_context_software.mm:10
flutter::IOSContextSoftware::MakeCurrent
std::unique_ptr< GLContextResult > MakeCurrent() override
When using client rendering APIs whose contexts need to be bound to a specific thread,...
Definition: ios_context_software.mm:26
flutter::IOSContextSoftware::CreateResourceContext
sk_sp< GrDirectContext > CreateResourceContext() override
Create a resource context for use on the IO task runner. This resource context is used by Skia to upl...
Definition: ios_context_software.mm:16
flutter::IOSContext
Manages the lifetime of the on-screen and off-screen rendering contexts on iOS. On-screen contexts ar...
Definition: ios_context.h:40
flutter::IOSContextSoftware::~IOSContextSoftware
~IOSContextSoftware()
flutter
Definition: accessibility_bridge.h:28
ios_context_software.h
flutter::IOSContextSoftware::CreateExternalTexture
std::unique_ptr< Texture > CreateExternalTexture(int64_t texture_id, fml::scoped_nsobject< NSObject< FlutterTexture >> texture) override
Creates an external texture proxy of the appropriate client rendering API.
Definition: ios_context_software.mm:32
ios_context.h
texture_id
int64_t texture_id
Definition: texture_registrar_unittests.cc:24
flutter::IOSContextSoftware::GetMainContext
sk_sp< GrDirectContext > GetMainContext() const override
Accessor for the Skia context associated with IOSSurfaces and the raster thread.
Definition: ios_context_software.mm:21