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purego: add structs for more architectures #474
Description
Operating System
- Windows
- macOS
- Linux
- FreeBSD
- Android
- iOS
What feature would you like to be added?
Now structs are supported only for amd64 and arm64. I propose to support more architectures.
Basically there are two types of struct usages: passing/receiving structs via Register(Lib)Func, and in callbacks of NewCallback. We don't have to support both at the same time, so let's do it one by one.
Why is this needed?
I found an X API that actually passes a struct value XSyncValue (
https://xorg.freedesktop.org/archive/X11R7.7/doc/libXext/synclib.html#c_functions). This is needed for Ebitengine though this is an optional. Now Ebitengine limits architectures for this API usage, but I'd like to support more platforms if possible.
Activity
purego: limit this change to loong64
purego: support structs on loong64 (#473)
purego: fix ppc64le float32 args and HFA classification
purego: order float32 GOARCH branches alphabetically
purego: add TODO for mixed float/int arguments on ppc64le
purego: support structs on ppc64le
purego: move ppc64le HFA helpers to struct_ppc64le.go
purego: remove the comment on the ppc64le fallback
purego: support structs on ppc64le
purego: support structs on ppc64le (#475)
hajimehoshi commentedon Jul 15, 2026
For now, Ebitengine decided to use a 64bit integer instead of a struct (2 32bit integers). We still need to implement features for 32bit architectures