/*
 * Copyright (C) 2011 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(oppen.filters.io)
#pragma rs_fp_relaxed

rs_allocation gIn;
rs_allocation gOut;
rs_script gScript;
float brightness;

void setBrightness(float v) {
    brightness = 255.f / (255.f - v);
}

void root(const uchar4 *v_in, uchar4 *v_out, uint32_t x, uint32_t y) {
    float4 f4 = rsUnpackColor8888(*v_in);
    f4.r += brightness;

    if(f4.r > 1){
    	f4.r = 1;
    }

    f4.g += brightness;
    if(f4.g > 1){
    	f4.g = 1;
    }

    f4.b += brightness;
    if(f4.b > 1){
    	f4.b = 1;
    }

    float3 output = {f4.r, f4.g, f4.b};

    *v_out = rsPackColorTo8888(output);
}