1 #ifndef DALI_SCENE3D_LOADER_MATRIX_STACK_H_
2 #define DALI_SCENE3D_LOADER_MATRIX_STACK_H_
4 * Copyright (c) 2023 Samsung Electronics Co., Ltd.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
21 #include <dali/public-api/common/vector-wrapper.h>
22 #include <dali/public-api/math/matrix.h>
25 #include <dali-scene3d/public-api/api.h>
27 namespace Dali::Scene3D::Loader
30 * @brief A stack of matrices whereby each newly pushed matrix is stored
31 * after being multiplied by the previous one (if any).
33 * @note Current implementation reserves space for 16 matrices.
35 class DALI_SCENE3D_API MatrixStack
41 void Push(const Matrix& model);
42 const Matrix& Top() const;
44 void PopAll(); // clears the stack, but retains the storage.
47 std::vector<Matrix> mStack;
50 } // namespace Dali::Scene3D::Loader
52 #endif //DALI_SCENE3D_LOADER_MATRIX_STACK_H_