Optimize performance by checking dirty/moved area.

DiscreteTom / rusty-duplication

Capture the screen on Windows using the Desktop Duplication API in Rust, with shared memory support.

MIT License

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Optimize performance by checking dirty/moved area. #2

Closed DiscreteTom closed 1 year ago

DiscreteTom commented 1 year ago

Checking LastPresentTime is enough.

If only the pointer was updated (that is, the desktop image was not updated), the AccumulatedFrames, TotalMetadataBufferSize, and LastPresentTime members are set to zero.