bomberfishandClaude Opus 5.5 eb6665b22e /dev/gex-gpu: the WebGPU wire from a guest to the native host's Dawn ...

guest/gpu/transport-dev.c is the wire client's transport in a guest: one
ioctl per message, the reply written to the guest's buffer (or held for
GEX_GPU_FETCH when it does not fit). shims/native/src/gpu.rs is the device,
every open a connection with a wire server of its own; crates/gex-webgpu
builds wire-server.c against Dawn (GEX_DAWN_PREFIX) and runs every server on
one thread, since Dawn's error scopes are per thread. gexc's `webgpu`
feature turns it on. wire-server.c gains gexgpu_server_destroy for a closed
connection.

guest/gpu/test/gpu-smoke.c, built static for aarch64 by build-guest.sh, runs
a compute shader through it: "gpu-smoke: ok" on an M4 Pro under gexc run.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_f0a06c8a084b4b2ca4f7f291183d507d

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..

native

/dev/gex-gpu: the WebGPU wire from a guest to the native host's Dawn

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src

/dev/gex-gpu: the WebGPU wire from a guest to the native host's Dawn

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build.rs

/dev/gex-gpu: the WebGPU wire from a guest to the native host's Dawn

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Cargo.toml

/dev/gex-gpu: the WebGPU wire from a guest to the native host's Dawn

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