1572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams/* 2572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * Copyright (C) 2012 The Android Open Source Project 3572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * 4572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * Licensed under the Apache License, Version 2.0 (the "License"); 5572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * you may not use this file except in compliance with the License. 6572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * You may obtain a copy of the License at 7572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * 8572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * http://www.apache.org/licenses/LICENSE-2.0 9572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * 10572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * Unless required by applicable law or agreed to in writing, software 11572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * distributed under the License is distributed on an "AS IS" BASIS, 12572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * See the License for the specific language governing permissions and 14572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * limitations under the License. 15572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams */ 16572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams 17572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams#include "ip.rsh" 18572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams 19572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samsstatic rs_matrix4x4 Mat; 20572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams 21572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samsvoid init() { 22572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams rsMatrixLoadIdentity(&Mat); 23572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams} 24572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams 25572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samsvoid setMatrix(rs_matrix4x4 m) { 26572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams Mat = m; 27572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams} 28572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams 29025b5f82971c431eb22df3c9d0f00b3cbe426bdbChris Wailesuchar4 RS_KERNEL root(uchar4 in) { 30572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams float4 f = convert_float4(in); 31572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams f = rsMatrixMultiply(&Mat, f); 32572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams f = clamp(f, 0.f, 255.f); 33572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams return convert_uchar4(f); 34572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams} 35572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams 36