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优化 Dart FFI 与 C++ 通信的方式 #128

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andycall opened this issue Mar 30, 2021 · 1 comment
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优化 Dart FFI 与 C++ 通信的方式 #128

andycall opened this issue Mar 30, 2021 · 1 comment
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enhancement New feature or request P4

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@andycall
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发现 Dart 现在支持传入一个 Dart_Handler 作为 FFI 函数的参数，这意味着任何一个 Dart 对象、函数都可以直接传递到 C，然后通过 dart_api.h 里面提供的符号进行一些调用操作，包括直接获取属性，转成函数等。

看样子是可以在中间去掉 Map 有关的映射来让 C++ 对象和 Dart 对象直接对接。

dart-lang/sdk#36858
dart-lang/sdk#35770
https://github.com/google/webcrypto.dart/blob/6dd34605b16097f2845742e04cce1aa4854b07d8/src/webcrypto_dart_dl.c#L49-L72
@andycall andycall added the enhancement New feature or request label Mar 30, 2021
@andycall andycall added this to the 0.8 milestone Mar 30, 2021
@andycall andycall self-assigned this Mar 30, 2021
@andycall andycall modified the milestone: 0.8 May 7, 2021
@andycall andycall modified the milestones: 0.8, 0.9 Jun 22, 2021
@andycall
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因为 Dart_Handler 并不是持久保存，无法使用 CommandBuffer 来实现，因此是否会带来性能优化待确定。

@andycall andycall added the P4 label Jun 23, 2021
@andycall andycall removed this from the 0.9 milestone Aug 19, 2021
@AlienegraGeek AlienegraGeek mentioned this issue Dec 27, 2021
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@yuanyan yuanyan closed this as completed Jan 25, 2022
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