/*
 * Copyright 2022 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <math/mat4.h>
#include <iosfwd>

namespace android::renderengine {

// This method simplifies printing the identity matrix, so it can be easily
// skipped over visually.
inline void PrintMatrix(const mat4& matrix, ::std::ostream* os) {
    if (matrix == mat4()) {
        *os << "I";
    } else {
        // Print the matrix starting on a new line. This ensures that all lines
        // are aligned.
        *os << "\n" << matrix;
    }
}

} // namespace android::renderengine
