playcanvas/build/playcanvas/src/scene/shader-lib/wgsl/chunks/gsplat/vert/gsplatHelpers.js

PlayCanvas WebGL game engine

var gsplatHelpersVS = `
fn gsplatExtractSize(covA: vec3f, covB: vec3f) -> f32 {
	let tr = covA.x + covB.x + covB.z;
	return sqrt(max(tr, 0.0) / 3.0);
}
fn gsplatApplyUniformScale(covA: ptr<function, vec3f>, covB: ptr<function, vec3f>, scale: f32) {
	let s2 = scale * scale;
	*covA = *covA * s2;
	*covB = *covB * s2;
}
fn gsplatMakeRound(covA: ptr<function, vec3f>, covB: ptr<function, vec3f>, size: f32) {
	let s2 = size * size;
	*covA = vec3f(s2, 0.0, 0.0);
	*covB = vec3f(s2, 0.0, s2);
}
`;

export { gsplatHelpersVS as default };