1 /*
2 * Copyright 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #pragma once
18
19 #include <math/mat4.h>
20 #include <iosfwd>
21
22 namespace android::renderengine {
23
24 // This method simplifies printing the identity matrix, so it can be easily
25 // skipped over visually.
PrintMatrix(const mat4 & matrix,::std::ostream * os)26 inline void PrintMatrix(const mat4& matrix, ::std::ostream* os) {
27 if (matrix == mat4()) {
28 *os << "I";
29 } else {
30 // Print the matrix starting on a new line. This ensures that all lines
31 // are aligned.
32 *os << "\n" << matrix;
33 }
34 }
35
36 } // namespace android::renderengine
37