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feat(imaging): default to pure-Rust codecs
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Chili Palmer
2026-08-13 11:24:38 +00:00
parent e16ad04dbd
commit 25fdffbd3b
25 changed files with 124 additions and 103 deletions
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crates/libremetaverse/README.md
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@@ -15,11 +15,11 @@ they use those APIs directly.
| Crate | Choose it for | Features or system boundary |
| --- | --- | --- |
| `libremetaverse` | Grid client, login, network, agents, inventory, assets, appearance, world, and social APIs | Default pure-Rust BC6H/BC7; optional `jpeg2000`, `rust-j2k`, and `vorbis` |
| `libremetaverse` | Grid client, login, network, agents, inventory, assets, appearance, world, and social APIs | Default pure-Rust BC6H/BC7 and J2K/JP2; optional native `jpeg2000` and `vorbis` |
| `libremetaverse-types` | UUIDs, vectors, matrices, colors, cancellation, compatibility collections, and boundary types | Pure Rust |
| `libremetaverse-structured-data` | LLSD/OSD XML, JSON, binary, and notation | Pure Rust |
| `libremetaverse-imaging` | Managed images, TGA/DDS, codec traits | Optional `jpeg2000` or pure-Rust `rust-j2k` |
| `libremetaverse-imaging-skia` | Common raster formats through native Skia or pure Rust | Optional `skia` native build/cache; optional `rust-skia` has no native prerequisites |
| `libremetaverse-imaging` | Managed images, TGA/DDS, codec traits | Default pure-Rust `rust-j2k`; optional native `jpeg2000` |
| `libremetaverse-imaging-skia` | Common raster formats through native Skia or pure Rust | Default pure-Rust `rust-skia`; optional `skia` native build/cache |
| `libremetaverse-prim-mesher` | Legacy prim and sculpt geometry | Pure Rust |
| `libremetaverse-rendering-simple` | Deterministic reference geometry | Pure Rust |
| `libremetaverse-rendering-mesh-foundry` | Prim, terrain, sculpt, and mesh-asset rendering | Pure Rust |
@@ -31,8 +31,8 @@ they use those APIs directly.
| `libremetaverse-openjpeg` | Audited `OpenJPEG` adapter | System `OpenJPEG` 2.5.4 or newer |
| `libremetaverse-opus` | Audited Opus encoder/decoder adapter | System libopus |
Features are additive. Keep defaults unless you need a codec, and enable one
native adapter at a time while diagnosing installation problems. The
Features are additive. Keep the pure-Rust defaults for normal applications,
and enable a native adapter only when it is specifically needed. The
[release CI matrix](https://git.rfc1437.de/hugo/MetaCrate/src/branch/main/docs/release-ci-matrix.md) records every validated combination.
## Naming and overload migration
@@ -190,7 +190,7 @@ The default client build needs no image-codec system library. Optional native
features require:
- `OpenJPEG` 2.5.4 or newer for `jpeg2000`;
- no native prerequisite for the pure-Rust `rust-j2k` feature;
- no native prerequisite for the default pure-Rust `rust-j2k` and `rust-skia` features;
- the rust-skia prerequisites/cache for `skia`;
- system libopus for WebRTC voice and the `libremetaverse-opus` adapter;
- ALSA development headers on Linux, `CoreAudio` on macOS, or WASAPI on Windows