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LibGfx+LibWeb: Add ImmutableBitmap for images bitmap caching in painter

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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.
This commit is contained in:
Aliaksandr Kalenik 2023-11-24 14:45:45 +01:00 • committed by Andreas Kling
parent abcf71a8ca
commit f4a5c136c3
24 changed files with 146 additions and 35 deletions
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6
Userland/Libraries/LibWeb/SVG/SVGDecodedImageData.h
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@ -16,7 +16,7 @@ public:
static ErrorOr<NonnullRefPtr<SVGDecodedImageData>> create(Page&, AK::URL const&, ByteBuffer encoded_svg);
virtual ~SVGDecodedImageData() override;
virtual RefPtr<Gfx::Bitmap const> bitmap(size_t frame_index, Gfx::IntSize) const override;
virtual RefPtr<Gfx::ImmutableBitmap> bitmap(size_t frame_index, Gfx::IntSize) const override;
virtual Optional<CSSPixels> intrinsic_width() const override;
virtual Optional<CSSPixels> intrinsic_height() const override;
@ -34,8 +34,8 @@ private:
class SVGPageClient;
SVGDecodedImageData(NonnullOwnPtr<Page>, NonnullOwnPtr<SVGPageClient>, JS::Handle<DOM::Document>, JS::Handle<SVG::SVGSVGElement>);
void render(Gfx::IntSize) const;
mutable RefPtr<Gfx::Bitmap> m_bitmap;
RefPtr<Gfx::Bitmap> render(Gfx::IntSize) const;
mutable RefPtr<Gfx::ImmutableBitmap> m_immutable_bitmap;
NonnullOwnPtr<Page> m_page;
NonnullOwnPtr<SVGPageClient> m_page_client;