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Andreas Sundquist f60c2b0cf9 Custom/extended splat encoding ranges, Premultiplied alpha for hyper-saturated colors (#134 )

* Externalized SparkRenderer.maxPixelRadius and .minAlpha settings. Added to documentation. Added to examples/editor under Debug folder, moved sort32 there.

* Added SplatEncoding concept, applied individually to SparkRenderer (rgbMin/Max, lnScaleMinMax), SplatMesh (additionally sh1Min/Max, sh2, sh3). Updated examples/editor to control settings via gui. Updated all related code to pipe along settings where needed.
Added SparkRenderer.premultipliedAlpha to control blend mode and enable hyper-saturated color contributions by default.

* Fix SplatLoader not passing along encoding. Complete renaming to splat encoding.

2025-07-23 10:04:24 -07:00

src

Custom/extended splat encoding ranges, Premultiplied alpha for hyper-saturated colors (#134 )

2025-07-23 10:04:24 -07:00

Cargo.toml

Renamed "forge" to "spark". Updated meta-references and future domain. (#40 )

2025-06-09 13:50:08 -07:00

README.md

Renamed "forge" to "spark". Updated meta-references and future domain. (#40 )

2025-06-09 13:50:08 -07:00

README.md

spark-internal-rs

Rust WebAssembly functions for spark-internal.

Installing build tools

First, we need to install Rust. Though it is possible to install it using Homebrew, we recommend installing rustup using the approach on the Rust homepage:

https://www.rust-lang.org/tools/install

It will most likely involve simply running:

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

Once you have rustup and Rust, we need to install dependencies for building Rust Wasm.

rustup target add wasm32-unknown-unknown
cargo install wasm-pack

Building

Run the following script inside spark-internal/rust:

./build_rust_wasm.sh

You can also build it manually by running these commands:

cd spark-internal-rs
wasm-pack build --target web

The generated files will be in the pkg/ subdirectory, which is already symlinked in spark-internal/package.json.