declare const _default: "\nattribute vertex_position: vec3f;         // xy: cornerUV, z: render order offset within instance\n\n#ifdef GSPLAT_INDIRECT_DRAW\n    // When using indirect draw with compaction, numSplats is written by the\n    // write-indirect-args compute shader and read from a storage buffer.\n    var<storage, read> numSplatsStorage: array<u32>;\n    // Sorted visible splat IDs\n    var<storage, read> compactedSplatIds: array<u32>;\n#else\n    uniform numSplats: u32;               // total number of splats\n\n    var<storage, read> splatOrder: array<u32>;\n#endif\n\n// initialize the splat source structure\nfn initSource(source: ptr<function, SplatSource>) -> bool {\n    // calculate splat order from instance index and vertex position offset\n    source.order = pcInstanceIndex * {GSPLAT_INSTANCE_SIZE}u + u32(vertex_position.z);\n\n    // return if out of range (since the last block of splats may be partially full)\n    #ifdef GSPLAT_INDIRECT_DRAW\n        let numSplats = numSplatsStorage[0];\n    #else\n        let numSplats = uniform.numSplats;\n    #endif\n    if (source.order >= numSplats) {\n        return false;\n    }\n\n    // read splat id and initialize global splat for format read functions\n    var splatId: u32;\n    #ifdef GSPLAT_INDIRECT_DRAW\n        splatId = compactedSplatIds[source.order];\n    #else\n        splatId = splatOrder[source.order];\n    #endif\n    setSplat(splatId);\n\n    // get the corner\n    source.cornerUV = half2(vertex_position.xy);\n\n    return true;\n}\n";
export default _default;