1fcf7231249822ff4dae852f1de1f799756689f91Jason Sams/* 2fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * Copyright (C) 2011 The Android Open Source Project 3fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * 4fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * Licensed under the Apache License, Version 2.0 (the "License"); 5fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * you may not use this file except in compliance with the License. 6fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * You may obtain a copy of the License at 7fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * 8fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * http://www.apache.org/licenses/LICENSE-2.0 9fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * 10fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * Unless required by applicable law or agreed to in writing, software 11fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * distributed under the License is distributed on an "AS IS" BASIS, 12fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * See the License for the specific language governing permissions and 14fcf7231249822ff4dae852f1de1f799756689f91Jason Sams * limitations under the License. 15fcf7231249822ff4dae852f1de1f799756689f91Jason Sams */ 16fcf7231249822ff4dae852f1de1f799756689f91Jason Sams 17fcf7231249822ff4dae852f1de1f799756689f91Jason Sams#include "rsMatrix2x2.h" 18fcf7231249822ff4dae852f1de1f799756689f91Jason Sams#include "rsMatrix3x3.h" 19fcf7231249822ff4dae852f1de1f799756689f91Jason Sams#include "rsMatrix4x4.h" 20fcf7231249822ff4dae852f1de1f799756689f91Jason Sams 21fcf7231249822ff4dae852f1de1f799756689f91Jason Sams#include "stdlib.h" 22fcf7231249822ff4dae852f1de1f799756689f91Jason Sams#include "string.h" 23fcf7231249822ff4dae852f1de1f799756689f91Jason Sams#include "math.h" 24fcf7231249822ff4dae852f1de1f799756689f91Jason Sams 25fcf7231249822ff4dae852f1de1f799756689f91Jason Samsusing namespace android; 26fcf7231249822ff4dae852f1de1f799756689f91Jason Samsusing namespace android::renderscript; 27fcf7231249822ff4dae852f1de1f799756689f91Jason Sams 28fcf7231249822ff4dae852f1de1f799756689f91Jason Sams 29fcf7231249822ff4dae852f1de1f799756689f91Jason Samsvoid Matrix2x2::loadIdentity() { 30fcf7231249822ff4dae852f1de1f799756689f91Jason Sams m[0] = 1.f; 31fcf7231249822ff4dae852f1de1f799756689f91Jason Sams m[1] = 0.f; 32fcf7231249822ff4dae852f1de1f799756689f91Jason Sams m[2] = 0.f; 33fcf7231249822ff4dae852f1de1f799756689f91Jason Sams m[3] = 1.f; 34fcf7231249822ff4dae852f1de1f799756689f91Jason Sams} 35fcf7231249822ff4dae852f1de1f799756689f91Jason Sams 36fcf7231249822ff4dae852f1de1f799756689f91Jason Samsvoid Matrix2x2::load(const float *v) { 37fcf7231249822ff4dae852f1de1f799756689f91Jason Sams memcpy(m, v, sizeof(m)); 38fcf7231249822ff4dae852f1de1f799756689f91Jason Sams} 39fcf7231249822ff4dae852f1de1f799756689f91Jason Sams 40fcf7231249822ff4dae852f1de1f799756689f91Jason Samsvoid Matrix2x2::load(const rs_matrix2x2 *v) { 41fcf7231249822ff4dae852f1de1f799756689f91Jason Sams memcpy(m, v->m, sizeof(m)); 42fcf7231249822ff4dae852f1de1f799756689f91Jason Sams} 43fcf7231249822ff4dae852f1de1f799756689f91Jason Sams 44fcf7231249822ff4dae852f1de1f799756689f91Jason Samsvoid Matrix2x2::loadMultiply(const rs_matrix2x2 *lhs, const rs_matrix2x2 *rhs) { 45fcf7231249822ff4dae852f1de1f799756689f91Jason Sams for (int i=0 ; i<2 ; i++) { 46fcf7231249822ff4dae852f1de1f799756689f91Jason Sams float ri0 = 0; 47fcf7231249822ff4dae852f1de1f799756689f91Jason Sams float ri1 = 0; 48fcf7231249822ff4dae852f1de1f799756689f91Jason Sams for (int j=0 ; j<2 ; j++) { 49fcf7231249822ff4dae852f1de1f799756689f91Jason Sams const float rhs_ij = ((const Matrix2x2 *)rhs)->get(i, j); 50fcf7231249822ff4dae852f1de1f799756689f91Jason Sams ri0 += ((const Matrix2x2 *)lhs)->get(j, 0) * rhs_ij; 51fcf7231249822ff4dae852f1de1f799756689f91Jason Sams ri1 += ((const Matrix2x2 *)lhs)->get(j, 1) * rhs_ij; 52fcf7231249822ff4dae852f1de1f799756689f91Jason Sams } 53fcf7231249822ff4dae852f1de1f799756689f91Jason Sams set(i, 0, ri0); 54fcf7231249822ff4dae852f1de1f799756689f91Jason Sams set(i, 1, ri1); 55fcf7231249822ff4dae852f1de1f799756689f91Jason Sams } 56fcf7231249822ff4dae852f1de1f799756689f91Jason Sams} 57fcf7231249822ff4dae852f1de1f799756689f91Jason Sams 58fcf7231249822ff4dae852f1de1f799756689f91Jason Samsvoid Matrix2x2::transpose() { 59fcf7231249822ff4dae852f1de1f799756689f91Jason Sams float temp = m[1]; 60fcf7231249822ff4dae852f1de1f799756689f91Jason Sams m[1] = m[2]; 61fcf7231249822ff4dae852f1de1f799756689f91Jason Sams m[2] = temp; 62fcf7231249822ff4dae852f1de1f799756689f91Jason Sams} 63fcf7231249822ff4dae852f1de1f799756689f91Jason Sams 64