6063650261
Future compositor-process work needs to push video frame updates without going through VideoFrameSource. That object cannot be shared through IPC, so video display-list resources now use stable VideoFrameResourceId values and the current frame is sent through explicit resource/update commands.
89 lines
3.7 KiB
C++
89 lines
3.7 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/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/NonnullRefPtr.h>
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#include <AK/Optional.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 <LibMedia/VideoFrame.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/Painting/DisplayListResourceIds.h>
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namespace Web::Painting {
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struct DisplayListResourceSet {
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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 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 DisplayListResourceTransaction {
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Vector<NonnullRefPtr<Gfx::Font const>> fonts;
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Vector<Gfx::DecodedImageFrame> image_frames;
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Vector<DisplayListVideoFrameResource> video_frames;
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Vector<NonnullRefPtr<DisplayList const>> 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 DisplayListResourceStorage {
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AK_MAKE_NONCOPYABLE(DisplayListResourceStorage);
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AK_MAKE_DEFAULT_MOVABLE(DisplayListResourceStorage);
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public:
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DisplayListResourceStorage() = default;
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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>);
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void append_referenced_resources_from(DisplayListResourceStorage const& source, ReadonlyBytes command_bytes);
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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 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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void update_compositor_surface(CompositorSurfaceId, Gfx::SharedImage&&);
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void clear_compositor_surface(CompositorSurfaceId);
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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 id) const { return m_image_frames.get(id.value()).value(); }
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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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DisplayList const& display_list(DisplayListResourceId id) const { return *m_display_lists.get(id.value()).value(); }
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Optional<Gfx::DecodedImageFrame const&> compositor_surface(CompositorSurfaceId id) const { return m_compositor_surfaces.get(id.value()); }
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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, Gfx::DecodedImageFrame> m_image_frames;
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HashMap<u64, RefPtr<Media::VideoFrame const>> m_video_frames;
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HashMap<u64, NonnullRefPtr<DisplayList const>> m_display_lists;
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HashMap<u64, Gfx::DecodedImageFrame> m_compositor_surfaces;
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};
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}
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