declare const _default: "\nuniform highp usampler2D transformA;\nuniform highp sampler2D transformB;\n\n// work values\nuint tAw;\n\n// read the model-space center of the gaussian\nvec3 readCenter(SplatSource source) {\n    // read transform data\n    uvec4 tA = texelFetch(transformA, source.uv, 0);\n    tAw = tA.w;\n    return uintBitsToFloat(tA.xyz);\n}\n\n// sample covariance vectors\nvoid readCovariance(in SplatSource source, out vec3 covA, out vec3 covB) {\n    vec4 tB = texelFetch(transformB, source.uv, 0);\n    vec2 tC = unpackHalf2x16(tAw);\n    covA = tB.xyz;\n    covB = vec3(tC.x, tC.y, tB.w);\n}\n";
export default _default;