technique.parameters.schema.json

{
    "$schema" : "http://json-schema.org/draft-03/schema",
    "title" : "parameter",
    "type" : "object",
    "description" : "An attribute or uniform input to a technique, and an optional semantic and value.",
    "extends" : { "$ref" : "glTFProperty.schema.json" },
    "properties" : {
        "count" : {
            "type" : "integer",
            "description" : "When defined, the parameter is an array of count elements of the specified type.  Otherwise, the parameter is not an array.",
            "minimum" : 1,
            "gltf_detailedDescription" : "When defined, the parameter is an array of count elements of the specified type.  Otherwise, the parameter is not an array.  When defined, `value` is an array with length equal to count, times the number of components in the type, e.g., `3` for `FLOAT_VEC3`.  An array parameter of scalar values is not the same as a vector parameter of the same size; for example, when count is 2 and type is 5126 (FLOAT), the parameter is an array of two floating-point values, not a FLOAT_VEC2."
        },
        "node" : {
            "extends" : { "$ref" : "glTFid.schema.json" },
            "description" : "The id of the node whose transform is used as the parameter's value.",
            "gltf_detailedDescription" : "The id of the node whose transform is used as the parameter's value.  When this is defined, `type` must be `35676` (FLOAT_MAT4), therefore, when the semantic is \"MODELINVERSETRANSPOSE\", \"MODELVIEWINVERSETRANSPOSE\", or \"VIEWPORT\", the node property can't be defined."
        },
        "type" : {
            "type" : "integer",
            "description" : "The datatype.",
            "enum" : [5120, 5121, 5122, 5123, 5124, 5125, 5126, 35664, 35665, 35666, 35667, 35668, 35669, 35670, 35671, 35672, 35673, 35674, 35675, 35676, 35678],
            "gltf_enumNames" : ["BYTE", "UNSIGNED_BYTE", "SHORT", "UNSIGNED_SHORT", "INT", "UNSIGNED_INT", "FLOAT", "FLOAT_VEC2", "FLOAT_VEC3", "FLOAT_VEC4", "INT_VEC2", "INT_VEC3", "INT_VEC4", "BOOL", "BOOL_VEC2", "BOOL_VEC3", "BOOL_VEC4", "FLOAT_MAT2", "FLOAT_MAT3", "FLOAT_MAT4", "SAMPLER_2D"],
            "required" : true,
            "gltf_detailedDescription" : "The datatype.  All valid values correspond to WebGL enums."
        },
        "semantic" : {
            "type" : "string",
            "description" : "Identifies a parameter with a well-known meaning.",
            "gltf_detailedDescription" : "Identifies a parameter with a well-known meaning.  Uniform semantics include `\"LOCAL\"` (FLOAT_MAT4), `\"MODEL\"` (FLOAT_MAT4), `\"VIEW\"` (FLOAT_MAT4), `\"PROJECTION\"` (FLOAT_MAT4), `\"MODELVIEW\"` (FLOAT_MAT4), `\"MODELVIEWPROJECTION\"` (FLOAT_MAT4), `\"MODELINVERSE\"` (FLOAT_MAT4), `\"VIEWINVERSE\"` (FLOAT_MAT4), `\"PROJECTIONINVERSE\"` (FLOAT_MAT4), `\"MODELVIEWINVERSE\"` (FLOAT_MAT4), `\"MODELVIEWPROJECTIONINVERSE\"` (FLOAT_MAT4), `\"MODELINVERSETRANSPOSE\"` (FLOAT_MAT3), `\"MODELVIEWINVERSETRANSPOSE\"` (FLOAT_MAT3), `\"VIEWPORT\"` (FLOAT_VEC4), `\"JOINTMATRIX\"` (FLOAT_MAT4).  Attribute semantics include `\"POSITION\"`, `\"NORMAL\"`, `\"TEXCOORD\"`, `\"COLOR\"`, `\"JOINT\"`, and `\"WEIGHT\"`.  Attribute semantic property names can be of the form `[semantic]_[set_index]`, e.g., `\"TEXCOORD_0\"`."
        },
        "value" : {
            "type" : ["number", "boolean", "string", { "$ref" : "arrayValues.schema.json" }],
            "description" : "The value of the parameter.",
            "gltf_detailedDescription" : "The value of the parameter.  A material value with the same name, when specified, overrides this value."
        }
    },
    "additionalProperties" : false
}