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[PR #13638] GdiEngine: Invalidate entire rows at a time #29684

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opened 2026-01-31 09:36:18 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:36:18 +00:00
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Original Pull Request: https://github.com/microsoft/terminal/pull/13638

State: closed
Merged: Yes

This fixes an issue were overwriting parts of a row would only trigger
that specific portion of the row to be redrawn. This isn't just
problematic for combining characters, but also for things like
the new TestDbcsBisectWriteCells test introduced in #13626.

Benchmarks showed no impact on performance whatsoever.

Validation Steps Performed

  • Pick this commit into #13626
  • Run the TestDbcsBisectWriteCells test and break before OpenConsole exits
  • A correct "QいかなZYXWVUTに" output is visible ✅
**Original Pull Request:** https://github.com/microsoft/terminal/pull/13638 **State:** closed **Merged:** Yes --- This fixes an issue were overwriting parts of a row would only trigger that specific portion of the row to be redrawn. This isn't just problematic for combining characters, but also for things like the new `TestDbcsBisectWriteCells` test introduced in #13626. Benchmarks showed no impact on performance whatsoever. ## Validation Steps Performed * Pick this commit into #13626 * Run the `TestDbcsBisectWriteCells` test and break before OpenConsole exits * A correct "QいかなZYXWVUTに" output is visible ✅
claunia added the pull-request label 2026-01-31 09:36:18 +00:00
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Reference: starred/terminal#29684
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