15ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni/* 25ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * Copyright (C) 2012 The Android Open Source Project 35ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * 45ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * Licensed under the Apache License, Version 2.0 (the "License"); 55ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * you may not use this file except in compliance with the License. 65ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * You may obtain a copy of the License at 75ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * 85ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * http://www.apache.org/licenses/LICENSE-2.0 95ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * 105ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * Unless required by applicable law or agreed to in writing, software 115ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * distributed under the License is distributed on an "AS IS" BASIS, 125ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * See the License for the specific language governing permissions and 145ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni * limitations under the License. 155ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni */ 165ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni 175ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni#include "ip.rsh" 185ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni// #pragma rs_fp_relaxed 195ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni 205ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Nistatic float bright = 1.2439024f; 215ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni 225ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni/* 235ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Nivoid setBright(float v) { 245ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni bright = 255.f / (255.f - v); 255ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni} 265ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni*/ 275ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni 285ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Nifloat4 RS_KERNEL exposure(float4 in) 295ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni{ 305ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni return in * bright; 315ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni} 325ab5155f7e0e0904f8c11cd0dbdbf7832e3ac948Yang Ni 33