playcanvas
Version:
Open-source WebGL/WebGPU 3D engine for the web
40 lines (32 loc) • 809 B
JavaScript
var uncompressed_default = (
/* wgsl */
`
// work values
var<private> tAw: u32;
var<private> tBcached: vec4f;
fn unpackRotation(data: vec3f) -> vec4f {
return vec4f(data.xyz, sqrt(max(0.0, 1.0 - dot(data, data))));
}
// read the model-space center of the gaussian
fn getCenter() -> vec3f {
// read transform data using generated load functions (use global splat.uv)
let tA: vec4<u32> = loadTransformA();
tAw = tA.w;
tBcached = loadTransformB();
return bitcast<vec3f>(tA.xyz);
}
fn getColor() -> vec4f {
return loadSplatColor();
}
fn getRotation() -> vec4f {
return unpackRotation(vec3f(unpack2x16float(tAw), tBcached.w)).wxyz;
}
fn getScale() -> vec3f {
return tBcached.xyz;
}
`
);
export {
uncompressed_default as default
};