flutter/flutter

[Impeller] DrawImageNine is inefficient.

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#119,477 创建于 2023年1月29日

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P2c: performancee: impellerenginegood first issueteam-enginetriaged-engine

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描述

Currently drawImageNine is emulated and converted to 9 separate drawImage calls. This is particularly inefficeint when the image has filters applied (see https://github.com/flutter/flutter/issues/119476). This should be restructured to use a single call and a new Geometry type.

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