/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed 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.
*/

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed 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.
 */

#pragma version(1)
#pragma rs java_package_name(com.android.rs.cppinfiniteloop)


float4 gColor = {0.299f, 0.587f, 0.114f, 1.f};

/* RenderScript kernel that just sets the colour of the screen and does some
 * simple operations so it is not completely empty
 * (and can therefore be debugged).
 */
uchar4 __attribute__((kernel)) simple_kernel(uchar4 in)
{
    float4 out = rsUnpackColor8888(in);

    out.r = gColor.r;
    out.g = gColor.g;
    out.b = gColor.b;
    out.a = gColor.a;

    uchar4 result = rsPackColorTo8888(out);
    return result;
}