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LibWeb: Return early if scroll offset is zero

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No need to calculate scroll offsets and translate update list commands
if the cumulative offset was zero to begin with.
This commit is contained in:
Jelle Raaijmakers 2025-10-26 10:45:55 +01:00 • committed by Jelle Raaijmakers
parent c0d08b68af
commit e4de6c0d05
Notes: github-actions[bot] 2025-10-27 23:43:42 +00:00
1 changed files with 3 additions and 0 deletions
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3
Libraries/LibWeb/Painting/DisplayList.cpp
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@ -127,6 +127,9 @@ void DisplayListPlayer::execute_impl(DisplayList& display_list, ScrollStateSnaps
auto translate_command_by_scroll = [&](auto& command, int scroll_frame_id) {
auto cumulative_offset = scroll_state.cumulative_offset_for_frame_with_id(scroll_frame_id);
if (cumulative_offset.is_zero())
return;
auto scroll_offset = cumulative_offset.to_type<double>().scaled(device_pixels_per_css_pixel).to_type<int>();
command.visit(
[scroll_offset](auto& command) {