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Screen Tearing when Resizing

Go to solution Solved by Rick Brewster,

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  • Solution

This has nothing to do with VSync or GSync. The canvas is a tile-based renderer, where each tile can be rendered on a different CPU/thread. As each tile completes, it is drawn to the screen. Not all tiles will complete within 1 refresh of the monitor. This is a tradeoff between latency and throughput -- it permits the UI to be very responsive, but the cost is "tearing" in some cases.


The only path to eliminating tearing is working with smaller images, or get a faster CPU with more cores. Even then, it cannot eliminate it entirely. It's not really something you need to worry about.

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