export declare const apply_marker_color = "\nif (marker > 0.0) {\n    if ((uMarkerPriority == 1 && marker != 2.0) || (uMarkerPriority != 1 && marker == 1.0)) {\n        gl_FragColor.rgb = mix(gl_FragColor.rgb, uHighlightColor, uHighlightStrength);\n        gl_FragColor.a = max(gl_FragColor.a, uHighlightStrength * 0.002); // for direct-volume rendering\n    } else {\n        gl_FragColor.rgb = mix(gl_FragColor.rgb, uSelectColor, uSelectStrength);\n        gl_FragColor.a = max(gl_FragColor.a, uSelectStrength * 0.002); // for direct-volume rendering\n    }\n}\n";