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
TransformationNode(Matrix * matrix)16 TransformationNode::TransformationNode(Matrix* matrix) :
17 mMatrix(matrix) {
18 }
19
~TransformationNode()20 TransformationNode::~TransformationNode() {
21 delete mMatrix;
22 }
23
before(Program & program,Matrix & model,Matrix & view,Matrix & projection)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
after(Program & program,Matrix & model,Matrix & view,Matrix & projection)32 void TransformationNode::after(Program& program, Matrix& model, Matrix& view,
33 Matrix& projection) {
34 // Restore original Matrix.
35 model.loadWith(mSavedModelMatrix);
36 }
37