playcanvas/build/playcanvas/src/scene/shader-lib/glsl/chunks/gsplat/vert/gsplatHelpers.d.ts

PlayCanvas WebGL game engine

declare const _default: "\n// Helper function to extract the RMS size from covariance\nfloat gsplatExtractSize(vec3 covA, vec3 covB) {\n    float tr = covA.x + covB.x + covB.z;\n    return sqrt(max(tr, 0.0) / 3.0);\n}\n\n// Helper function to apply uniform scale to covariance\nvoid gsplatApplyUniformScale(inout vec3 covA, inout vec3 covB, float scale) {\n    float s2 = scale * scale;\n    covA *= s2;\n    covB *= s2;\n}\n\n// Helper function to make splat spherical/round with given size\n// Use size = 0.0 to hide the splat\nvoid gsplatMakeRound(inout vec3 covA, inout vec3 covB, float size) {\n    float s2 = size * size;\n    covA = vec3(s2, 0.0, 0.0);\n    covB = vec3(s2, 0.0, s2);\n}\n";
export default _default;