refactor: optimize data type conversions in geometry buffers #4

Job	Run time
cargo clippy (windows-latest, stable)	3m 35s
cargo fmt (windows-latest, stable)	39s
build (windows-latest, stable)	1m 27s
cargo test (windows-latest, stable)	4m 41s
cargo clippy (windows-latest, nightly)	2m 0s
cargo fmt (windows-latest, nightly)	29s
build (windows-latest, nightly)	1m 16s
cargo test (windows-latest, nightly)	4m 2s
cargo fmt (macos-latest, stable)	8s
cargo clippy (macos-latest, stable)	1m 6s
cargo clippy (macos-latest, nightly)	26s
cargo fmt (macos-latest, nightly)	15s
cargo test (macos-latest, stable)	1m 51s
cargo clippy (ubuntu-latest, stable)	1m 5s
build (macos-latest, stable)	22s
cargo test (macos-latest, nightly)	1m 38s
cargo fmt (ubuntu-latest, stable)	8s
cargo clippy (ubuntu-latest, nightly)	19s
build (macos-latest, nightly)	33s
cargo test (ubuntu-latest, stable)	1m 57s
cargo fmt (ubuntu-latest, nightly)	14s
build (ubuntu-latest, stable)	14s
cargo test (ubuntu-latest, nightly)	1m 49s
build (ubuntu-latest, nightly)	22s
Upload Test Event	0s
	30m 36s

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