7ca410c66c
Compositor surfaces are only used for nested navigables now. The display list command already carries the CompositorSurfaceId, but playback still resolved that id through DisplayListResourceStorage and WebContent exposed IPC for direct surface updates and clears. Keep published child surfaces as PaintingSurface entries on the compositor ContextState and pass that map into Skia display list playback. Publishing and detaching nested contexts now update the parent cache entirely inside the compositor, so WebContent no longer needs update_compositor_surface or clear_compositor_surface messages.
155 lines
6 KiB
C++
155 lines
6 KiB
C++
/*
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* Copyright (c) 2026, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Error.h>
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#include <AK/Forward.h>
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#include <AK/HashMap.h>
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#include <AK/HashTable.h>
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#include <AK/Noncopyable.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/RefPtr.h>
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#include <AK/Span.h>
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#include <AK/Vector.h>
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#include <LibGfx/DecodedImageFrame.h>
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#include <LibGfx/Forward.h>
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#include <LibIPC/Forward.h>
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#include <LibMedia/VideoFrame.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/Painting/AccumulatedVisualContext.h>
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#include <LibWeb/Painting/DisplayListResourceIds.h>
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class SkImage;
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template<typename T>
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class sk_sp;
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namespace Web::Painting {
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struct DisplayListResourceSet {
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bool is_empty() const;
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void include(DisplayListResourceSet const&);
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HashTable<FontResourceId> fonts;
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HashTable<ImageFrameResourceId> image_frames;
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HashTable<VideoFrameResourceId> video_frames;
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HashTable<DisplayListResourceId> display_lists;
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};
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struct DisplayListFontResource {
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FontResourceId id;
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NonnullRefPtr<Gfx::Font const> font;
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};
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struct DisplayListImageFrameResource {
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ImageFrameResourceId id;
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Gfx::DecodedImageFrame frame;
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};
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struct DisplayListVideoFrameResource {
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VideoFrameResourceId id;
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RefPtr<Media::VideoFrame const> frame;
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};
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struct DisplayListStoredImageFrameResource;
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struct DisplayListResource {
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DisplayListResource(NonnullRefPtr<DisplayList>, AccumulatedVisualContextTree);
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DisplayListResource(NonnullRefPtr<DisplayList const>, AccumulatedVisualContextTree);
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DisplayListResource(DisplayList const&, AccumulatedVisualContextTree);
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NonnullRefPtr<DisplayList const> display_list;
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AccumulatedVisualContextTree visual_context_tree;
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};
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struct DisplayListResourceTransaction {
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Vector<DisplayListFontResource> fonts;
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Vector<DisplayListImageFrameResource> image_frames;
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Vector<DisplayListVideoFrameResource> video_frames;
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Vector<DisplayListResource> display_lists;
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Vector<FontResourceId> font_ids_to_remove;
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Vector<ImageFrameResourceId> image_frame_ids_to_remove;
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Vector<VideoFrameResourceId> video_frame_ids_to_remove;
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Vector<DisplayListResourceId> display_list_ids_to_remove;
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};
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class WEB_API DisplayListResourceStorage {
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AK_MAKE_NONCOPYABLE(DisplayListResourceStorage);
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public:
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DisplayListResourceStorage();
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DisplayListResourceStorage(DisplayListResourceStorage&&);
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DisplayListResourceStorage& operator=(DisplayListResourceStorage&&);
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~DisplayListResourceStorage();
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FontResourceId add_font(Gfx::Font const&);
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ImageFrameResourceId add_image_frame(Gfx::DecodedImageFrame const&);
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VideoFrameResourceId add_video_frame(VideoFrameResourceId, RefPtr<Media::VideoFrame const> = nullptr);
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DisplayListResourceId add_display_list(NonnullRefPtr<DisplayList const>, AccumulatedVisualContextTree const&);
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DisplayListResourceId add_display_list(DisplayListResource&&);
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void set_font(FontResourceId, NonnullRefPtr<Gfx::Font const>);
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void set_image_frame(ImageFrameResourceId, Gfx::DecodedImageFrame);
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void apply_transaction(DisplayListResourceTransaction&&);
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DisplayListResourceTransaction create_transaction(DisplayListResourceSet const& previous, DisplayListResourceSet const& current) const;
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DisplayListResourceSet collect_referenced_resources(DisplayList const&) const;
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DisplayListResourceSet collect_referenced_resources(ReadonlyBytes command_bytes) const;
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void acquire_cache_references(DisplayListResourceSet const&);
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void release_cache_references(DisplayListResourceSet const&);
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DisplayListResourceSet cache_referenced_resources() const;
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void retain_only(DisplayListResourceSet const&);
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void update_video_frame(VideoFrameResourceId, NonnullRefPtr<Media::VideoFrame const>);
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void clear_video_frame(VideoFrameResourceId);
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Gfx::Font const& font(FontResourceId id) const { return *m_fonts.get(id.value()).value(); }
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Gfx::DecodedImageFrame const& image_frame(ImageFrameResourceId) const;
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sk_sp<SkImage> skia_image_for_image_frame(ImageFrameResourceId, RefPtr<Gfx::SkiaBackendContext> const&) const;
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RefPtr<Media::VideoFrame const> video_frame(VideoFrameResourceId id) const { return m_video_frames.get(id.value()).value(); }
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DisplayListResource const& display_list_resource(DisplayListResourceId id) const { return m_display_lists.get(id.value()).value(); }
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DisplayList const& display_list(DisplayListResourceId id) const { return *display_list_resource(id).display_list; }
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AccumulatedVisualContextTree const& display_list_visual_context_tree(DisplayListResourceId id) const { return display_list_resource(id).visual_context_tree; }
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private:
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void collect_referenced_resources(ReadonlyBytes command_bytes, DisplayListResourceSet&) const;
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HashMap<u64, NonnullRefPtr<Gfx::Font const>> m_fonts;
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HashMap<u64, NonnullOwnPtr<DisplayListStoredImageFrameResource>> m_image_frames;
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HashMap<u64, RefPtr<Media::VideoFrame const>> m_video_frames;
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HashMap<u64, DisplayListResource> m_display_lists;
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HashMap<u64, size_t> m_font_cache_reference_counts;
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HashMap<u64, size_t> m_image_frame_cache_reference_counts;
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HashMap<u64, size_t> m_video_frame_cache_reference_counts;
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HashMap<u64, size_t> m_display_list_cache_reference_counts;
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};
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}
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namespace IPC {
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template<>
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WEB_API ErrorOr<void> encode(Encoder&, Web::Painting::DisplayListFontResource const&);
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template<>
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WEB_API ErrorOr<Web::Painting::DisplayListFontResource> decode(Decoder&);
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template<>
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WEB_API ErrorOr<void> encode(Encoder&, Web::Painting::DisplayListImageFrameResource const&);
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template<>
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WEB_API ErrorOr<Web::Painting::DisplayListImageFrameResource> decode(Decoder&);
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template<>
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WEB_API ErrorOr<void> encode(Encoder&, Web::Painting::DisplayListVideoFrameResource const&);
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template<>
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WEB_API ErrorOr<Web::Painting::DisplayListVideoFrameResource> decode(Decoder&);
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template<>
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WEB_API ErrorOr<void> encode(Encoder&, Web::Painting::DisplayListResourceTransaction const&);
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template<>
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WEB_API ErrorOr<Web::Painting::DisplayListResourceTransaction> decode(Decoder&);
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}
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