{
    "Name": "unlit_overlay",
    "OverrideMaterial": "engine:pbr.rematerialdefinition",
    "Parameters": {
        "Constants": {
            "overlayOpacity": "0.5"
        }
    },
    "Techniques": [
        {
            "Name": "SecondPass",
            "VertexShader": {
                "Entry": "vsUnlitOverlay",
                "Library": "framework:com.apple.RCFoundation/default.metallib"
            },
            "PixelShader": {
                "Entry": "fsUnlitOverlaySecondPass",
                "Library": "framework:com.apple.RCFoundation/default.metallib"
            },
            "State" : {
                "AlphaBlend" : true,
                "WriteDepth" : false,
                "DepthCompareFunction" : "Less",
                "AlphaBlendOperation" : "Add",
                "AlphaSourceFactor" : "One",
                "AlphaDestinationFactor" : "OneMinusSourceAlpha",
                "RgbBlendOperation" : "Add",
                "RgbSourceFactor" : "One",
                "RgbDestinationFactor" : "OneMinusSourceAlpha"
            }
        }
    ],
    "TechniqueMapping": {
        "UnlitOverlayPass": "SecondPass"
    }
}