mustella/tests/gumbo/filters/ShaderFilter/SWFs/Assets/PixelBenderFiles/Pixel4WithDefault.pbk

/*
 * 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 Pixel
<   namespace : "testing";
    vendor : "Apache";
    version : 1;
    description : "Pixel4 with default.";
>
{
    input image4 src;
    output pixel4 dst;

    parameter pixel4 thePixel
    <
        minValue:pixel4(0,0,0,0);
        maxValue:pixel4(1,1,1,1);
        defaultValue:pixel4(0,0,0,0);
    >;

    void
    evaluatePixel()
    {
        float4 inputColor = sampleNearest(src, outCoord());
        dst.r = inputColor.r + thePixel.r;
        dst.g = inputColor.g + thePixel.g;
        dst.b = inputColor.b + thePixel.b;
        dst.a = inputColor.a + thePixel.a;
    }
}