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release: v0.30.0 — DownlevelCapabilities on DeviceProvider (ADR-071) #33

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Merged
kolkov merged 2 commits into from
Aug 30, 2026
Merged

release: v0.30.0 — DownlevelCapabilities on DeviceProvider (ADR-071) #33

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252f769
feat: add DownlevelCapabilities() to DeviceProvider interface (ADR-071)
kolkov Aug 29, 2026
109187e
release: v0.30.0 — DownlevelCapabilities on DeviceProvider (ADR-071)
kolkov Aug 30, 2026
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10 changes: 10 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -5,6 +5,16 @@ All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [0.30.0] - 2026-08-30

### Added

- **`DeviceProvider.DownlevelCapabilities()`** — returns `gputypes.DownlevelCapabilities` for backend capability queries. Enables consumers (gg, g3d, Born ML) to check compute support, indirect execution, and other capabilities that may be absent on non-conformant backends (GLES 3.0, CPU software). Returns zero-value if implementation does not track downlevel capabilities (backward compatible). Matches Rust wgpu `Adapter::get_downlevel_capabilities()` pattern. Architecture: DeviceProvider interface method, not type-assert — follows Flutter Impeller "check capabilities, not backend type" principle. See ADR-071.

### Changed

- **deps:** gputypes v0.6.0 → v0.7.0 (DownlevelCapabilities types)

## [0.29.0] - 2026-08-27

### Added
Expand Down
8 changes: 8 additions & 0 deletions device_provider.go
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Expand Up @@ -58,4 +58,12 @@ type DeviceProvider interface {
// without importing wgpu. Returns 0 if the implementation does not
// track features (backward compatible — treat as no optional features).
Features() gputypes.Features

// DownlevelCapabilities returns backend capability flags for downlevel adapters.
// Consumers (e.g., gg) use this to query compute support, indirect execution,
// and other capabilities that may not be available on all backends (GLES 3.0).
// Returns zero-value DownlevelCapabilities if the implementation does not
// track downlevel capabilities (backward compatible — treat as no capabilities).
// Matches Rust wgpu Adapter::get_downlevel_capabilities() (adapter.rs:174).
DownlevelCapabilities() gputypes.DownlevelCapabilities
}
2 changes: 1 addition & 1 deletion go.mod
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Expand Up @@ -2,4 +2,4 @@ module github.com/gogpu/gpucontext

go 1.25

require github.com/gogpu/gputypes v0.6.0
require github.com/gogpu/gputypes v0.7.0
4 changes: 2 additions & 2 deletions go.sum
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@@ -1,2 +1,2 @@
github.com/gogpu/gputypes v0.6.0 h1:nfjx0ek0jU97ziHmukJgUJZBzlTlls9hsnEeqIEZUxM=
github.com/gogpu/gputypes v0.6.0/go.mod h1:cnXrDMwTpWTvJLW1Vreop3PcT6a2YP/i3s91rPaOavw=
github.com/gogpu/gputypes v0.7.0 h1:1IcXGyPx8v6iAutpjwBYjcyYd3g6ep+FhThoZbhpVAg=
github.com/gogpu/gputypes v0.7.0/go.mod h1:cnXrDMwTpWTvJLW1Vreop3PcT6a2YP/i3s91rPaOavw=
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