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Changelog

0.2.0 - 2026-08-21

This release modernizes gpu.cpp around current Dawn and adds a maintained browser target.

Added

  • A browser backend using Emdawnwebgpu, Emscripten, JSPI, and an ES-module Embind API for persistent contexts and JavaScript typed arrays.
  • Explicit read/read-write bindings, reusable kernels, uniform parameters, and asynchronous dispatch and readback through gpu::Future.
  • Native SPIR-V input with an executable WebGPU-profile contract test.
  • C++ stories for WGSL, native f16, and SPIR-V; a NumPy Python story; and a Chrome story covering browser errors, context reuse, dispatch, and readback.
  • Reproducible scripts pinning Dawn, Emdawn, emsdk, SPIRV-Tools, and SPIRV-Headers to exact revisions.
  • A self-contained macOS ARM64 Python wheel and direct PyPI publish workflow.

Changed

  • WebGPU objects now use Dawn's generated C++ RAII facade and normal C++ value semantics.
  • The Python binding now follows the C++ API and preserves NumPy shape and float16, float32, and int32 dtypes. Futures retain their context and support blocking waits or native asyncio dispatch and NumPy readback.
  • Host-side f16 uses native _Float16 where supported; the portable core treats f16 as two-byte IEEE 754 storage.
  • Examples and the build are consolidated under the root CMake project and the single ./test entrypoint.

Removed

  • The legacy raw WebGPU C API implementation, manual resource pools, custom half implementation, Haskell binding, obsolete build files, and abandoned experimental targets.
  • The Closure compiler and Java dependency from browser builds.