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Fix a output marks performance regression (#19242)

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An alternative approach for #18291. Improves perf by ~7%.
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Leonard Hecker 2025-08-13 18:10:18 +02:00 committed by GitHub
parent 0d23624fa9
commit 6b19d21845
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2 changed files with 10 additions and 5 deletions
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4
src/buffer/out/Row.cpp
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@ -942,12 +942,12 @@ void ROW::_resizeChars(uint16_t colEndDirty, uint16_t chBegDirty, size_t chEndDi
}
}
til::small_rle<TextAttribute, uint16_t, 1>& ROW::Attributes() noexcept
RowAttributes& ROW::Attributes() noexcept
{
return _attr;
}
const til::small_rle<TextAttribute, uint16_t, 1>& ROW::Attributes() const noexcept
const RowAttributes& ROW::Attributes() const noexcept
{
return _attr;
}

11
src/buffer/out/Row.hpp
View File

@ -14,6 +14,11 @@
class ROW;
class TextBuffer;
// Because MarkKind::Output gets set only on the actually written text,
// most rows will end up having at least 2 runs: The start of the line
// with MarkKind::Output and the rest of the line with MarkKind::None.
using RowAttributes = til::small_rle<TextAttribute, uint16_t, 2>;
enum class DelimiterClass
{
ControlChar,
@ -149,8 +154,8 @@ public:
void ReplaceText(RowWriteState& state);
void CopyTextFrom(RowCopyTextFromState& state);
til::small_rle<TextAttribute, uint16_t, 1>& Attributes() noexcept;
const til::small_rle<TextAttribute, uint16_t, 1>& Attributes() const noexcept;
RowAttributes& Attributes() noexcept;
const RowAttributes& Attributes() const noexcept;
TextAttribute GetAttrByColumn(til::CoordType column) const;
std::vector<uint16_t> GetHyperlinks() const;
ImageSlice* SetImageSlice(ImageSlice::Pointer imageSlice) noexcept;
@ -298,7 +303,7 @@ private:
std::span<uint16_t> _charOffsets;
// _attr is a run-length-encoded vector of TextAttribute with a decompressed
// length equal to _columnCount (= 1 TextAttribute per column).
til::small_rle<TextAttribute, uint16_t, 1> _attr;
RowAttributes _attr;
// The width of the row in visual columns.
uint16_t _columnCount = 0;
// Stores double-width/height (DECSWL/DECDWL/DECDHL) attributes.