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LibGfx+LibWeb: Add ImmutableBitmap for images bitmap caching in painter
Before this change, we used Gfx::Bitmap to represent both decoded images that are not going to be mutated and bitmaps corresponding to canvases that could be mutated. This change introduces a wrapper for bitmaps that are not going to be mutated, so the painter could do caching: texture caching in the case of GPU painter and potentially scaled bitmap caching in the case of CPU painter.
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24 changed files with 146 additions and 35 deletions
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@ -23,7 +23,7 @@ AnimatedBitmapDecodedImageData::AnimatedBitmapDecodedImageData(Vector<Frame>&& f
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AnimatedBitmapDecodedImageData::~AnimatedBitmapDecodedImageData() = default;
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RefPtr<Gfx::Bitmap const> AnimatedBitmapDecodedImageData::bitmap(size_t frame_index, Gfx::IntSize) const
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RefPtr<Gfx::ImmutableBitmap> AnimatedBitmapDecodedImageData::bitmap(size_t frame_index, Gfx::IntSize) const
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{
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if (frame_index >= m_frames.size())
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return nullptr;
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@ -6,6 +6,7 @@
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#pragma once
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#include <LibGfx/ImmutableBitmap.h>
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#include <LibWeb/HTML/DecodedImageData.h>
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namespace Web::HTML {
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@ -13,14 +14,14 @@ namespace Web::HTML {
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class AnimatedBitmapDecodedImageData final : public DecodedImageData {
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public:
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struct Frame {
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RefPtr<Gfx::Bitmap const> bitmap;
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RefPtr<Gfx::ImmutableBitmap> bitmap;
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int duration { 0 };
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};
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static ErrorOr<NonnullRefPtr<AnimatedBitmapDecodedImageData>> create(Vector<Frame>&&, size_t loop_count, bool animated);
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virtual ~AnimatedBitmapDecodedImageData() override;
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virtual RefPtr<Gfx::Bitmap const> bitmap(size_t frame_index, Gfx::IntSize = {}) const override;
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virtual RefPtr<Gfx::ImmutableBitmap> bitmap(size_t frame_index, Gfx::IntSize = {}) const override;
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virtual int frame_duration(size_t frame_index) const override;
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virtual size_t frame_count() const override { return m_frames.size(); }
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@ -18,7 +18,7 @@ class DecodedImageData : public RefCounted<DecodedImageData> {
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public:
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virtual ~DecodedImageData();
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virtual RefPtr<Gfx::Bitmap const> bitmap(size_t frame_index, Gfx::IntSize = {}) const = 0;
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virtual RefPtr<Gfx::ImmutableBitmap> bitmap(size_t frame_index, Gfx::IntSize = {}) const = 0;
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virtual int frame_duration(size_t frame_index) const = 0;
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virtual size_t frame_count() const = 0;
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@ -120,7 +120,7 @@ JS::GCPtr<Layout::Node> HTMLImageElement::create_layout_node(NonnullRefPtr<CSS::
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return heap().allocate_without_realm<Layout::ImageBox>(document(), *this, move(style), *this);
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}
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RefPtr<Gfx::Bitmap const> HTMLImageElement::bitmap() const
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RefPtr<Gfx::ImmutableBitmap> HTMLImageElement::immutable_bitmap() const
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{
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return current_image_bitmap();
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}
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@ -146,7 +146,7 @@ Optional<CSSPixelFraction> HTMLImageElement::intrinsic_aspect_ratio() const
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return {};
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}
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RefPtr<Gfx::Bitmap const> HTMLImageElement::current_image_bitmap(Gfx::IntSize size) const
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RefPtr<Gfx::ImmutableBitmap> HTMLImageElement::current_image_bitmap(Gfx::IntSize size) const
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{
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if (auto data = m_current_request->image_data())
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return data->bitmap(m_current_frame_index, size);
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@ -9,6 +9,7 @@
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#include <AK/ByteBuffer.h>
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#include <AK/OwnPtr.h>
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#include <LibGfx/Forward.h>
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#include <LibGfx/ImmutableBitmap.h>
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#include <LibJS/Heap/HeapFunction.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/DocumentLoadEventDelayer.h>
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@ -38,7 +39,8 @@ public:
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DeprecatedString alt() const { return deprecated_attribute(HTML::AttributeNames::alt); }
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DeprecatedString src() const { return deprecated_attribute(HTML::AttributeNames::src); }
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RefPtr<Gfx::Bitmap const> bitmap() const;
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RefPtr<Gfx::ImmutableBitmap> immutable_bitmap() const;
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RefPtr<Gfx::Bitmap const> bitmap() const { return immutable_bitmap()->bitmap(); }
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unsigned width() const;
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WebIDL::ExceptionOr<void> set_width(unsigned);
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@ -89,7 +91,7 @@ public:
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virtual Optional<CSSPixels> intrinsic_width() const override;
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virtual Optional<CSSPixels> intrinsic_height() const override;
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virtual Optional<CSSPixelFraction> intrinsic_aspect_ratio() const override;
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virtual RefPtr<Gfx::Bitmap const> current_image_bitmap(Gfx::IntSize = {}) const override;
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virtual RefPtr<Gfx::ImmutableBitmap> current_image_bitmap(Gfx::IntSize = {}) const override;
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virtual void set_visible_in_viewport(bool) override;
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void set_lazy_load_resumption_steps(Function<void()>);
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@ -382,7 +382,7 @@ Optional<CSSPixelFraction> HTMLObjectElement::intrinsic_aspect_ratio() const
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return {};
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}
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RefPtr<Gfx::Bitmap const> HTMLObjectElement::current_image_bitmap(Gfx::IntSize size) const
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RefPtr<Gfx::ImmutableBitmap> HTMLObjectElement::current_image_bitmap(Gfx::IntSize size) const
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{
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if (auto image_data = this->image_data())
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return image_data->bitmap(0, size);
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@ -76,7 +76,7 @@ private:
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virtual Optional<CSSPixels> intrinsic_width() const override;
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virtual Optional<CSSPixels> intrinsic_height() const override;
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virtual Optional<CSSPixelFraction> intrinsic_aspect_ratio() const override;
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virtual RefPtr<Gfx::Bitmap const> current_image_bitmap(Gfx::IntSize = {}) const override;
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virtual RefPtr<Gfx::ImmutableBitmap> current_image_bitmap(Gfx::IntSize = {}) const override;
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virtual void set_visible_in_viewport(bool) override;
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Representation m_representation { Representation::Unknown };
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@ -159,7 +159,7 @@ void SharedImageRequest::handle_successful_fetch(AK::URL const& url_string, Stri
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Vector<AnimatedBitmapDecodedImageData::Frame> frames;
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for (auto& frame : result.value().frames) {
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frames.append(AnimatedBitmapDecodedImageData::Frame {
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.bitmap = frame.bitmap,
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.bitmap = Gfx::ImmutableBitmap::create(*frame.bitmap),
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.duration = static_cast<int>(frame.duration),
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});
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}
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