declare const _default: "\nprecision highp float;\n\nczm_modelMaterial defaultModelMaterial()\n{\n    czm_modelMaterial material;\n    material.diffuse = vec3(0.0);\n    material.specular = vec3(1.0);\n    material.roughness = 1.0;\n    material.occlusion = 1.0;\n    material.normalEC = vec3(0.0, 0.0, 1.0);\n    material.emissive = vec3(0.0);\n    material.alpha = 1.0;\n    return material;\n}\n\nvec4 handleAlpha(vec3 color, float alpha)\n{\n    #ifdef ALPHA_MODE_MASK\n    if (alpha < u_alphaCutoff) {\n        discard;\n    }\n    #endif\n\n    return vec4(color, alpha);\n}\n\nSelectedFeature selectedFeature;\n\nvoid main()\n{\n    #ifdef HAS_POINT_CLOUD_SHOW_STYLE\n        if (v_pointCloudShow == 0.0)\n        {\n            discard;\n        }\n    #endif\n\n    #ifdef HAS_MODEL_SPLITTER\n    modelSplitterStage();\n    #endif\n\n    czm_modelMaterial material = defaultModelMaterial();\n\n    ProcessedAttributes attributes;\n    geometryStage(attributes);\n\n    FeatureIds featureIds;\n    featureIdStage(featureIds, attributes);\n\n    Metadata metadata;\n    MetadataClass metadataClass;\n    MetadataStatistics metadataStatistics;\n    metadataStage(metadata, metadataClass, metadataStatistics, attributes);\n\n    //========================================================================\n    // When not picking metadata START\n    #ifndef METADATA_PICKING_ENABLED\n\n    #ifdef HAS_SELECTED_FEATURE_ID\n    selectedFeatureIdStage(selectedFeature, featureIds);\n    #endif\n\n    #ifndef CUSTOM_SHADER_REPLACE_MATERIAL\n    materialStage(material, attributes, selectedFeature);\n    #endif\n\n    #ifdef HAS_CUSTOM_FRAGMENT_SHADER\n    customShaderStage(material, attributes, featureIds, metadata, metadataClass, metadataStatistics);\n    #endif\n\n    lightingStage(material, attributes);\n\n    #ifdef HAS_SELECTED_FEATURE_ID\n    cpuStylingStage(material, selectedFeature);\n    #endif\n\n    #ifdef HAS_MODEL_COLOR\n    modelColorStage(material);\n    #endif\n\n    #ifdef HAS_PRIMITIVE_OUTLINE\n    primitiveOutlineStage(material);\n    #endif\n\n    vec4 color = handleAlpha(material.diffuse, material.alpha);\n\n    // When not picking metadata END\n    //========================================================================\n    #else\n    //========================================================================\n    // When picking metadata START\n\n    vec4 metadataValues = vec4(0.0, 0.0, 0.0, 0.0);\n    metadataPickingStage(metadata, metadataClass, metadataValues);\n    vec4 color = metadataValues;\n\n    #endif\n    // When picking metadata END\n    //========================================================================\n\n    #ifdef HAS_CLIPPING_PLANES\n    modelClippingPlanesStage(color);\n    #endif\n\n    #ifdef ENABLE_CLIPPING_POLYGONS\n    modelClippingPolygonsStage();\n    #endif\n\n    //========================================================================\n    // When not picking metadata START\n    #ifndef METADATA_PICKING_ENABLED\n\n    #if defined(HAS_SILHOUETTE) && defined(HAS_NORMALS)\n    silhouetteStage(color);\n    #endif\n\n    #ifdef HAS_ATMOSPHERE\n    atmosphereStage(color, attributes);\n    #endif\n\n    #ifdef HAS_GAUSSIAN_SPLATS\n    gaussianSplatStage(color, attributes);\n    #endif\n\n    #endif\n    // When not picking metadata END\n    //========================================================================\n\n    out_FragColor = color;\n}\n\n";
export default _default;