{
    "Name": "arProjectiveShadowPlaneDefinition",
    "Parameters": {
        "Constants": {
            "objectToCrWorld": "instance.objectToCrWorld",
            "crWorldToProj" : "view.crWorldToProj",
            "crWorldToProjInstanced" : "view.crWorldToProjInstanced",
            "viewportCount" : "instance.viewportCount",

            "uvStart" : "[0, 0]",
            "uvScale" : "[1, 1]",
            "normalOffset" : "0.0"
        },
        "Buffers": {
            "position": "geometry.vertexPosition",
            "texcoord": "geometry.vertexUV"
        },
        "Textures": {
            "projectiveShadowMapTexture" : "rendergraph.DownsampledShadowMapTexture"
        }
    },
    "Techniques": [
    {
        "Name": "RenderShadowReceiverPlane",
        "VertexShader": {
            "Entry": "vsRenderShadowReceiverPlane"
        },
        "PixelShader": {
            "Entry": "fsRenderShadowReceiverPlane"
        },
        "State" : {
            "AlphaBlend" : true,
            "WriteDepth" : false,
            "DepthCompareFunction" : "GreaterEqual",
            "AlphaBlendOperation"       : "Add",
            "AlphaSourceFactor"         : "One",
            "AlphaDestinationFactor"    : "OneMinusSourceAlpha",
            "RgbBlendOperation"         : "Add",
            "RgbSourceFactor"           : "One",
            "RgbDestinationFactor"      : "OneMinusSourceAlpha"
        }
    },
    {
        "Name": "RenderShadowReceiverPlaneDepth",
        "VertexShader": {
            "Entry": "vsRenderShadowReceiverPlane"
        },
        "State" : {
            "WriteDepth" : true,
            "DepthCompareFunction" : "Greater"
        }
    }],
    "TechniqueMapping": {
        "ShadowReceiverPlaneDepthOnly": "RenderShadowReceiverPlaneDepth",
        "ShadowReceiverPlaneTechnique": "RenderShadowReceiverPlane"
    }
}