/* * 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. */ kernel FloatR < namespace : "testing"; vendor : "Apache"; version : 1; description : "This accepts a float as its parameter, which sets the red level."; > { input image4 src; output pixel4 dst; parameter float theFloat < minValue:float(0); maxValue:float(1); defaultValue:float(0); >; void evaluatePixel() { float4 inputColor = sampleNearest(src, outCoord()); dst.r = theFloat; dst.g = inputColor.g; dst.b = inputColor.b; dst.a = inputColor.a; } }