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LibWeb: Implement rejection by bounding box for PaintInnerBoxShadow

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Before this change we were painting inner shadows lying outside of
viewport.

Improves painting performance on Github and Twitter where this command
is used a lot.
This commit is contained in:
Aliaksandr Kalenik 2024-06-07 18:10:29 +03:00 committed by Andreas Kling
parent 1c8d37d528
commit 9be5867eb2
Notes: sideshowbarker 2024-07-16 23:03:06 +09:00 
Author: https://github.com/kalenikaliaksandr
Commit: https://github.com/LadybirdBrowser/ladybird/commit/9be5867eb2
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/98
2 changed files with 6 additions and 0 deletions
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5
Userland/Libraries/LibWeb/Painting/Command.cpp
View file

@ -20,6 +20,11 @@ Gfx::IntRect PaintOuterBoxShadow::bounding_rect() const
return get_outer_box_shadow_bounding_rect(box_shadow_params);
}
Gfx::IntRect PaintInnerBoxShadow::bounding_rect() const
{
return box_shadow_params.device_content_rect;
}
void PaintOuterBoxShadow::translate_by(Gfx::IntPoint const& offset)
{
box_shadow_params.device_content_rect.translate_by(offset);

1
Userland/Libraries/LibWeb/Painting/Command.h
View file

@ -149,6 +149,7 @@ struct PaintOuterBoxShadow {
struct PaintInnerBoxShadow {
PaintBoxShadowParams box_shadow_params;
[[nodiscard]] Gfx::IntRect bounding_rect() const;
void translate_by(Gfx::IntPoint const& offset);
};