/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
<languageVersion : 1.0;>

kernel Float4RedGreenBlueAlpha
<   namespace : "testing";
    vendor : "Apache";
    version : 1;
    description : "This accepts a float4 as a parameter, which sets s, t, p, and q (which should be red, green, blue, and alpha).";
>
{
    input image4 src;
    output pixel4 dst;

    parameter float4 allFloats
    <
        minValue:float4(0,0,0,0);
        maxValue:float4(1,1,1,1);
        defaultValue:float4(0,0,0,1);
    >;

    void
    evaluatePixel()
    {
        dst.s = sampleNearest(src, outCoord()).s + allFloats.s - sampleNearest(src, outCoord()).s;
        dst.t = allFloats.t;
        dst.p = allFloats.p;
        dst.q = allFloats.q;
    }
}