good first issuetype: bug
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説明
Recently I decided to try out Iced but run into some memory problems while testing an example, as can be seen in this issue: https://github.com/hecrj/iced/issues/786 I narrowed it down to the wgpu-rs StagingBelt, and the lack of a way to cleanup unused free Chunks from the belt. The issue with the Game of Life example was that I only added more geometry to the screen, so my buffers got larger, never fitting inside the previous Chunks and so creating new Chunks while the old Chunks stayed unused forever. I managed to fix the issue by implementing a naive GC: https://github.com/eduardobraun/wgpu-rs/commit/a62dd38538b41e2890a0cecd59e692f1d208d6e6
TLDR: StagingBelt needs a way to reclaim memory from free Chunks.