1a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray/* 2a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * Copyright (C) 2013 The Android Open Source Project 3a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * 4a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * Licensed under the Apache License, Version 2.0 (the "License"); 5a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * you may not use this file except in compliance with the License. 6a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * You may obtain a copy of the License at 7a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * 8a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * http://www.apache.org/licenses/LICENSE-2.0 9a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * 10a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * Unless required by applicable law or agreed to in writing, software 11a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * distributed under the License is distributed on an "AS IS" BASIS, 12a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * See the License for the specific language governing permissions and 14a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray * limitations under the License. 15a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray */ 16a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray 17a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray#pragma version(1) 18a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray#pragma rs java_package_name(com.example.android.rs.hellocomputendk) 19a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray 20a89eef413da39b013f2e931c9f207ef2587eef01Tim Murrayconst static float3 gMonoMult = {0.299f, 0.587f, 0.114f}; 21a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray 22a89eef413da39b013f2e931c9f207ef2587eef01Tim Murrayvoid root(const uchar4 *v_in, uchar4 *v_out) { 23a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray float4 f4 = rsUnpackColor8888(*v_in); 24a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray 25a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray float3 mono = dot(f4.rgb, gMonoMult); 26a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray *v_out = rsPackColorTo8888(mono); 27a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray} 28a89eef413da39b013f2e931c9f207ef2587eef01Tim Murray 29