1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 #include "TransformationNode.h" 15 16 TransformationNode::TransformationNode(Matrix* matrix) : 17 mMatrix(matrix) { 18 } 19 20 TransformationNode::~TransformationNode() { 21 delete mMatrix; 22 } 23 24 void TransformationNode::before(Program& program, Matrix& model, Matrix& view, 25 Matrix& projection) { 26 // Save the current Matrix. 27 mSavedModelMatrix.loadWith(model); 28 // Apply transformation. 29 model.multiply(*mMatrix, mSavedModelMatrix); 30 } 31 32 void TransformationNode::after(Program& program, Matrix& model, Matrix& view, 33 Matrix& projection) { 34 // Restore original Matrix. 35 model.loadWith(mSavedModelMatrix); 36 } 37
