| // 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. |
| |
| #ifndef FLUTTER_LIB_UI_PAINTING_DISPLAY_LIST_DEFERRED_IMAGE_GPU_H_ |
| #define FLUTTER_LIB_UI_PAINTING_DISPLAY_LIST_DEFERRED_IMAGE_GPU_H_ |
| |
| #include <memory> |
| #include <mutex> |
| |
| #include "flutter/common/graphics/texture.h" |
| #include "flutter/display_list/display_list.h" |
| #include "flutter/display_list/display_list_image.h" |
| #include "flutter/flow/skia_gpu_object.h" |
| #include "flutter/fml/macros.h" |
| #include "flutter/fml/memory/weak_ptr.h" |
| #include "flutter/lib/ui/io_manager.h" |
| #include "flutter/lib/ui/snapshot_delegate.h" |
| |
| namespace flutter { |
| |
| class DlDeferredImageGPU final : public DlImage { |
| public: |
| static sk_sp<DlDeferredImageGPU> Make( |
| const SkImageInfo& image_info, |
| sk_sp<DisplayList> display_list, |
| fml::WeakPtr<SnapshotDelegate> snapshot_delegate, |
| fml::RefPtr<fml::TaskRunner> raster_task_runner, |
| fml::RefPtr<SkiaUnrefQueue> unref_queue); |
| |
| // |DlImage| |
| ~DlDeferredImageGPU() override; |
| |
| // |DlImage| |
| // This method is only safe to call from the raster thread. |
| // Callers must not hold long term references to this image and |
| // only use it for the immediate painting operation. It must be |
| // collected on the raster task runner. |
| sk_sp<SkImage> skia_image() const override; |
| |
| // |DlImage| |
| std::shared_ptr<impeller::Texture> impeller_texture() const override; |
| |
| // |DlImage| |
| bool isTextureBacked() const override; |
| |
| // |DlImage| |
| SkISize dimensions() const override; |
| |
| // |DlImage| |
| virtual size_t GetApproximateByteSize() const override; |
| |
| // |DlImage| |
| // This method is safe to call from any thread. |
| std::optional<std::string> get_error() const override; |
| |
| // |DlImage| |
| OwningContext owning_context() const override { |
| return OwningContext::kRaster; |
| } |
| |
| private: |
| class ImageWrapper final : public std::enable_shared_from_this<ImageWrapper>, |
| public ContextListener { |
| public: |
| static std::shared_ptr<ImageWrapper> Make( |
| const SkImageInfo& image_info, |
| sk_sp<DisplayList> display_list, |
| fml::WeakPtr<SnapshotDelegate> snapshot_delegate, |
| fml::RefPtr<fml::TaskRunner> raster_task_runner, |
| fml::RefPtr<SkiaUnrefQueue> unref_queue); |
| |
| const SkImageInfo image_info() const { return image_info_; } |
| const GrBackendTexture& texture() const { return texture_; } |
| bool isTextureBacked() const; |
| std::optional<std::string> get_error(); |
| sk_sp<SkImage> CreateSkiaImage() const; |
| void Unregister(); |
| void DeleteTexture(); |
| |
| private: |
| const SkImageInfo image_info_; |
| sk_sp<DisplayList> display_list_; |
| fml::WeakPtr<SnapshotDelegate> snapshot_delegate_; |
| fml::RefPtr<fml::TaskRunner> raster_task_runner_; |
| fml::RefPtr<SkiaUnrefQueue> unref_queue_; |
| std::shared_ptr<TextureRegistry> texture_registry_; |
| |
| mutable std::mutex error_mutex_; |
| std::optional<std::string> error_; |
| |
| GrBackendTexture texture_; |
| sk_sp<GrDirectContext> context_; |
| // May be used if this image is not texture backed. |
| sk_sp<SkImage> image_; |
| |
| ImageWrapper(const SkImageInfo& image_info, |
| sk_sp<DisplayList> display_list, |
| fml::WeakPtr<SnapshotDelegate> snapshot_delegate, |
| fml::RefPtr<fml::TaskRunner> raster_task_runner, |
| fml::RefPtr<SkiaUnrefQueue> unref_queue); |
| |
| void SnapshotDisplayList(); |
| |
| // |ContextListener| |
| void OnGrContextCreated() override; |
| |
| // |ContextListener| |
| void OnGrContextDestroyed() override; |
| }; |
| |
| const std::shared_ptr<ImageWrapper> image_wrapper_; |
| |
| fml::RefPtr<fml::TaskRunner> raster_task_runner_; |
| |
| DlDeferredImageGPU(std::shared_ptr<ImageWrapper> image_wrapper, |
| fml::RefPtr<fml::TaskRunner> raster_task_runner); |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(DlDeferredImageGPU); |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_LIB_UI_PAINTING_DISPLAY_LIST_DEFERRED_IMAGE_GPU_H_ |