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[PR #269] Resolve the problem of video playback screen tearing #353

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opened 2026-01-31 21:30:54 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 21:30:54 +00:00
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Original Pull Request: https://github.com/qemu/qemu/pull/269

State: closed
Merged: No

when using the  spice protocol with a virtio gpu virtual graphics
card, in the funcation of constructing image updates in SPICE, the original
logic was to cut according to the width of 32 pixels, and then push the
update area in blocks. This may cause errors in image updates in some
cases, resulting in vertical stripes. This modification will update the
areas that need to be updated as a whole to solve the problem of screen
tearing.
**Original Pull Request:** https://github.com/qemu/qemu/pull/269 **State:** closed **Merged:** No --- when using the spice protocol with a virtio gpu virtual graphics card, in the funcation of constructing image updates in SPICE, the original logic was to cut according to the width of 32 pixels, and then push the update area in blocks. This may cause errors in image updates in some cases, resulting in vertical stripes. This modification will update the areas that need to be updated as a whole to solve the problem of screen tearing.
claunia added the pull-request label 2026-01-31 21:30:55 +00:00
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Reference: starred/qemu#353
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