| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GARNET_EXAMPLES_UI_LAB_POSE_BUFFER_PROVIDER_APP_H_ |
| #define GARNET_EXAMPLES_UI_LAB_POSE_BUFFER_PROVIDER_APP_H_ |
| |
| #include <lib/async-loop/cpp/loop.h> |
| |
| #include "lib/component/cpp/startup_context.h" |
| #include "lib/ui/scenic/cpp/resources.h" |
| #include "lib/ui/scenic/cpp/session.h" |
| |
| namespace pose_buffer_presenter { |
| |
| class App { |
| public: |
| App(async::Loop* loop); |
| |
| private: |
| // Called asynchronously by constructor. |
| void Init(fuchsia::ui::gfx::DisplayInfo display_info); |
| |
| // Updates and presents the scene. Called first by Init(). Each invocation |
| // schedules another call to Update() when the result of the previous |
| // presentation is asynchronously received. |
| void Update(uint64_t next_presentation_time); |
| |
| // Parameters expressed in pixels |
| void CreateExampleScene(float display_width, float display_height); |
| void StartPoseBufferProvider(); |
| void ConfigurePoseBuffer(); |
| |
| void ReleaseSessionResources(); |
| |
| std::unique_ptr<component::StartupContext> startup_context_; |
| async::Loop* loop_; |
| fuchsia::ui::scenic::ScenicPtr scenic_; |
| |
| std::unique_ptr<scenic::Session> session_; |
| std::unique_ptr<scenic::DisplayCompositor> compositor_; |
| std::unique_ptr<scenic::StereoCamera> camera_; |
| std::unique_ptr<scenic::ShapeNode> cube_node_; |
| |
| zx::vmo pose_buffer_vmo_; |
| |
| // Time of the first update. Animation of the "pane" content is based on the |
| // time elapsed since this time. |
| zx_time_t start_time_ = 0; |
| |
| component::Services services_; |
| fuchsia::sys::ComponentControllerPtr controller_; |
| fuchsia::ui::gfx::PoseBufferProviderPtr provider_; |
| }; |
| |
| } // namespace pose_buffer_presenter |
| |
| #endif // GARNET_EXAMPLES_UI_LAB_POSE_BUFFER_PROVIDER_APP_H_ |