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4429b2f2fe
fixes https://github.com/flutter/flutter/issues/146990 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide] and the [C++, Objective-C, Java style guides]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I added new tests to check the change I am making or feature I am adding, or the PR is [test-exempt]. See [testing the engine] for instructions on writing and running engine tests. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I signed the [CLA]. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/wiki/Tree-hygiene#overview [Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene [test-exempt]: https://github.com/flutter/flutter/wiki/Tree-hygiene#tests [Flutter Style Guide]: https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style [testing the engine]: https://github.com/flutter/flutter/wiki/Testing-the-engine [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/wiki/Tree-hygiene#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/wiki/Chat
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_SHELL_COMMON_SNAPSHOT_CONTROLLER_H_
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#define FLUTTER_SHELL_COMMON_SNAPSHOT_CONTROLLER_H_
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#include "flutter/common/settings.h"
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#include "flutter/display_list/image/dl_image.h"
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#include "flutter/flow/surface.h"
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#include "flutter/fml/synchronization/sync_switch.h"
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#include "flutter/lib/ui/snapshot_delegate.h"
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#include "flutter/shell/common/snapshot_surface_producer.h"
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namespace impeller {
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class AiksContext;
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}
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namespace flutter {
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class SnapshotController {
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public:
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class Delegate {
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public:
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virtual ~Delegate() = default;
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virtual const std::unique_ptr<Surface>& GetSurface() const = 0;
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virtual std::shared_ptr<impeller::AiksContext> GetAiksContext() const = 0;
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virtual const std::unique_ptr<SnapshotSurfaceProducer>&
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GetSnapshotSurfaceProducer() const = 0;
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virtual std::shared_ptr<const fml::SyncSwitch> GetIsGpuDisabledSyncSwitch()
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const = 0;
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};
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static std::unique_ptr<SnapshotController> Make(const Delegate& delegate,
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const Settings& settings);
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virtual ~SnapshotController() = default;
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virtual void MakeRasterSnapshot(
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sk_sp<DisplayList> display_list,
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SkISize picture_size,
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std::function<void(const sk_sp<DlImage>&)> callback) = 0;
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// Note that this image is not guaranteed to be UIThreadSafe and must
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// be converted to a DlImageGPU if it is to be handed back to the UI
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// thread.
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virtual sk_sp<DlImage> MakeRasterSnapshotSync(sk_sp<DisplayList> display_list,
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SkISize picture_size) = 0;
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virtual sk_sp<SkImage> ConvertToRasterImage(sk_sp<SkImage> image) = 0;
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virtual void CacheRuntimeStage(
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const std::shared_ptr<impeller::RuntimeStage>& runtime_stage) = 0;
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protected:
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explicit SnapshotController(const Delegate& delegate);
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const Delegate& GetDelegate() { return delegate_; }
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private:
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const Delegate& delegate_;
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FML_DISALLOW_COPY_AND_ASSIGN(SnapshotController);
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};
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} // namespace flutter
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#endif // FLUTTER_SHELL_COMMON_SNAPSHOT_CONTROLLER_H_
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