| // Copyright 2017 Google Inc. All Rights Reserved. |
| // |
| // 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. |
| |
| #ifndef COBALT_BASE_CAMERA_TRANSFORM_H_ |
| #define COBALT_BASE_CAMERA_TRANSFORM_H_ |
| |
| #include "base/optional.h" |
| #include "third_party/glm/glm/mat4x4.hpp" |
| |
| namespace base { |
| |
| // CameraTransform holds the affine transformations needed to apply a |
| // camera viewing a 3D scene. |
| class CameraTransform { |
| public: |
| struct ProjectionAndView { |
| glm::mat4 projection_matrix; |
| glm::mat4 view_matrix; |
| }; |
| |
| ProjectionAndView left_eye_or_mono; |
| base::optional<ProjectionAndView> right_eye; // For stereoscopic cameras. |
| |
| CameraTransform(glm::mat4 left_eye_or_mono_projection_matrix, |
| glm::mat4 left_eye_or_mono_view_matrix, |
| glm::mat4 right_eye_projection_matrix, |
| glm::mat4 right_eye_view_matrix) { |
| left_eye_or_mono.projection_matrix = left_eye_or_mono_projection_matrix; |
| left_eye_or_mono.view_matrix = left_eye_or_mono_view_matrix; |
| right_eye = ProjectionAndView(); |
| right_eye->projection_matrix = right_eye_projection_matrix; |
| right_eye->view_matrix = right_eye_view_matrix; |
| } |
| |
| CameraTransform(glm::mat4 left_eye_or_mono_projection_matrix, |
| glm::mat4 left_eye_or_mono_view_matrix) { |
| left_eye_or_mono.projection_matrix = left_eye_or_mono_projection_matrix; |
| left_eye_or_mono.view_matrix = left_eye_or_mono_view_matrix; |
| } |
| }; |
| |
| } // namespace base |
| |
| #endif // COBALT_BASE_CAMERA_TRANSFORM_H_ |