1 #ifndef DALI_SCENE3D_INTERNAL_SCENE_VIEW_H
2 #define DALI_SCENE3D_INTERNAL_SCENE_VIEW_H
5 * Copyright (c) 2023 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali-toolkit/internal/visuals/image/image-visual.h>
23 #include <dali-toolkit/public-api/controls/control-impl.h>
24 #include <dali/integration-api/adaptor-framework/scene-holder.h>
25 #include <dali/public-api/actors/camera-actor.h>
26 #include <dali/public-api/actors/layer.h>
27 #include <dali/public-api/adaptor-framework/window.h>
28 #include <dali/public-api/animation/animation.h>
29 #include <dali/public-api/object/weak-handle.h>
30 #include <dali/public-api/render-tasks/render-task.h>
31 #include <dali/public-api/rendering/frame-buffer.h>
32 #include <dali/public-api/rendering/texture.h>
35 #include <dali-scene3d/internal/common/environment-map-load-task.h>
36 #include <dali-scene3d/internal/common/light-observer.h>
37 #include <dali-scene3d/public-api/controls/scene-view/scene-view.h>
48 * @brief Impl class for SceneView.
50 class SceneView : public Dali::Toolkit::Internal::Control
54 * @brief Creates a new SceneView.
56 * @return A public handle to the newly allocated SceneView.
58 static Dali::Scene3D::SceneView New();
61 * @copydoc SceneView::AddCamera()
63 void AddCamera(Dali::CameraActor camera);
66 * @copydoc SceneView::RemoveCamera()
68 void RemoveCamera(CameraActor camera);
71 * @copydoc SceneView::GetCameraCount()
73 uint32_t GetCameraCount() const;
76 * @copydoc SceneView::GetSelectedCamera()
78 CameraActor GetSelectedCamera() const;
81 * @copydoc SceneView::GetCamera()
83 CameraActor GetCamera(uint32_t index) const;
86 * @copydoc SceneView::GetCamera()
88 CameraActor GetCamera(const std::string& name) const;
91 * @copydoc SceneView::SelectCamera()
93 void SelectCamera(uint32_t index);
96 * @copydoc SceneView::SelectCamera()
98 void SelectCamera(const std::string& name);
101 * @brief Register an item.
103 * Some works(e.g, lighting) of SceneView should be propagated to the child 3D items.
104 * SceneView can avoid unnecessary tree traversal to find 3D items by storing only 3D items as a list.
106 * @param[in] item scene observer to be registered.
108 void RegisterSceneItem(Scene3D::Internal::LightObserver* item);
111 * @brief Unregister an item
113 * @param[in] item scene observer to be unregistered.
115 void UnregisterSceneItem(Scene3D::Internal::LightObserver* item);
118 * @copydoc SceneView::SetImageBasedLightSource()
120 void SetImageBasedLightSource(const std::string& diffuseUrl, const std::string& specularUrl, float scaleFactor);
123 * @copydoc SceneView::SetImageBasedLightScaleFactor()
125 void SetImageBasedLightScaleFactor(float scaleFactor);
128 * @copydoc SceneView::GetImageBasedLightScaleFactor()
130 float GetImageBasedLightScaleFactor() const;
133 * @brief Adds a Light object to this SceneView.
134 * Multiple light object can be added on this SceneView
135 * But the number of lights those actually turned on has limitation.
136 * Scene3D::Light::GetMaximumEnabledLightCount() method can be used to know the maximum namber.
138 * @param[in] light Light object to be added.
140 void AddLight(Scene3D::Light light);
143 * @brief Removes a Light object to this SceneView.
144 * If the light is currently turned on, and SceneView has lights more than maximum number of enabled light.
145 * One of light in queue is turned on after this light is removed.
147 * @param[in] light Light object to be removed.
149 void RemoveLight(Scene3D::Light light);
152 * @copydoc SceneView::GetActivatedLightCount()
154 uint32_t GetActivatedLightCount() const;
157 * @copydoc SceneView::UseFramebuffer()
159 void UseFramebuffer(bool useFramebuffer);
162 * @copydoc SceneView::IsUsingFramebuffer()
164 bool IsUsingFramebuffer() const;
167 * @copydoc SceneView::SetFramebufferMultiSamplingLevel()
169 void SetFramebufferMultiSamplingLevel(uint8_t multiSamplingLevel);
172 * @copydoc SceneView::GetFramebufferMultiSamplingLevel()
174 uint8_t GetFramebufferMultiSamplingLevel() const;
177 * @copydoc SceneView::SetSkybox()
179 void SetSkybox(const std::string& skyboxUrl);
182 * @copydoc SceneView::SetSkyboxEnvironmentMapType()
184 void SetSkyboxEnvironmentMapType(Scene3D::EnvironmentMapType skyboxEnvironmentMapType);
187 * @copydoc SceneView::SetSkyboxIntensity()
189 void SetSkyboxIntensity(float intensity);
192 * @copydoc SceneView::GetSkyboxIntensity()
194 float GetSkyboxIntensity() const;
197 * @copydoc SceneView::SetSkyboxOrientation()
199 void SetSkyboxOrientation(const Quaternion& orientation);
202 * @copydoc SceneView::GetSkyboxOrientation()
204 Quaternion GetSkyboxOrientation() const;
208 * @brief Constructs a new SceneView.
213 * A reference counted object may only be deleted by calling Unreference()
215 virtual ~SceneView();
219 * @copydoc CustomActorImpl::OnSceneConnection()
221 void OnSceneConnection(int depth) override;
224 * @copydoc CustomActorImpl::OnSceneDisconnection()
226 void OnSceneDisconnection() override;
229 * @copydoc Toolkit::Control::OnInitialize()
231 void OnInitialize() override;
234 * @copydoc Toolkit::Control::OnChildAdd()
236 void OnChildAdd(Actor& child) override;
239 * @copydoc Toolkit::Control::OnChildRemove()
241 void OnChildRemove(Actor& child) override;
244 * @copydoc Toolkit::Control::GetHeightForWidth()
246 float GetHeightForWidth(float width) override;
249 * @copydoc Toolkit::Control::GetWidthForHeight()
251 float GetWidthForHeight(float height) override;
254 * @copydoc Toolkit::Control::OnRelayout()
256 void OnRelayout(const Vector2& size, RelayoutContainer& container) override;
259 * @copydoc Toolkit::Control::IsResourceReady()
261 bool IsResourceReady() const override;
264 * @brief Changes main camera as a input camera
266 * @param camera CameraActor that will be a main camera of the SceneView
268 void UpdateCamera(CameraActor camera);
271 * @brief Updates RenderTask to use selected camera and to make framebuffer
273 void UpdateRenderTask();
276 * @brief Callback that will be called when window is resized.
278 void OnWindowResized(Window window, Window::WindowSize size);
281 * @brief Updates camera's projection orientation according to the screen orientation.
286 * @brief UpdateSkybox with skybox url and skybox environment map type.
288 * @param[in] skyboxUrl image url for skybox.
289 * @param[in] skyboxEnvironmentMapType The environment type of skybox.
291 void UpdateSkybox(const std::string& skyboxUrl, Scene3D::EnvironmentMapType skyboxEnvironmentMapType);
294 * @brief Asynchronously skybox loading finished.
296 void OnSkyboxLoadComplete();
299 * @brief Asynchronously ibl diffusel image loading finished.
301 void OnIblDiffuseLoadComplete();
304 * @brief Asynchronously ibl specular image loading finished.
306 void OnIblSpecularLoadComplete();
309 * @brief Asynchronously ibl loading finished.
311 void OnIblLoadComplete();
314 * @brief Notify the changes of Ibl textures to the child items.
316 void NotifyImageBasedLightTextureChange();
319 * @brief Internal method to add an Light object to this SceneView.
321 * @param[in] light Light object to be added.
322 * @return True if successed to enable.
324 bool AddLightInternal(Scene3D::Light light);
327 * @brief Internal method to remove an Light object to this SceneView.
329 * @param[in] light Light object to be added.
330 * @return Index of removed light in enabled light list. If failed to remove it returns negative value;
332 int32_t RemoveLightInternal(Scene3D::Light light);
335 Toolkit::Visual::Base mVisual;
337 /////////////////////////////////////////////////////////////
338 // FrameBuffer and Rendertask to render child objects as a 3D Scene
339 Dali::WeakHandle<Dali::Window> mWindow;
340 Integration::SceneHolder mSceneHolder;
341 CameraActor mDefaultCamera;
342 CameraActor mSelectedCamera;
343 std::vector<CameraActor> mCameras;
344 std::vector<Scene3D::Internal::LightObserver*> mItems;
345 Dali::FrameBuffer mFrameBuffer;
346 Dali::Texture mTexture;
347 Dali::RenderTask mRenderTask;
349 int32_t mWindowOrientation;
351 Quaternion mSkyboxOrientation;
352 float mSkyboxIntensity{1.0f};
353 uint8_t mFrameBufferMultiSamplingLevel{0u};
356 std::vector<std::pair<Scene3D::Light, bool>> mLights; // Pair of Light object and flag that denotes the light is currently activated or not.
357 std::vector<Scene3D::Light> mActivatedLights;
358 uint32_t mActivatedLightCount{0u};
360 // Asynchronous Loading.
361 EnvironmentMapLoadTaskPtr mSkyboxLoadTask;
362 EnvironmentMapLoadTaskPtr mIblDiffuseLoadTask;
363 EnvironmentMapLoadTaskPtr mIblSpecularLoadTask;
364 std::string mSkyboxUrl;
365 std::string mDiffuseIblUrl;
366 std::string mSpecularIblUrl;
368 Scene3D::EnvironmentMapType mSkyboxEnvironmentMapType{Scene3D::EnvironmentMapType::AUTO};
369 Dali::Texture mSkyboxTexture;
370 Dali::Texture mDiffuseTexture;
371 Dali::Texture mSpecularTexture;
372 float mIblScaleFactor{1.0f};
373 uint32_t mSpecularMipmapLevels{1u};
374 bool mUseFrameBuffer{false};
375 bool mSkyboxResourceReady{true};
376 bool mIblDiffuseResourceReady{true};
377 bool mIblSpecularResourceReady{true};
378 bool mSkyboxDirty{false};
379 bool mIblDiffuseDirty{false};
380 bool mIblSpecularDirty{false};
382 // TODO : Light Source
385 } // namespace Internal
387 // Helpers for public-api forwarding methods
388 inline Dali::Scene3D::Internal::SceneView& GetImpl(Dali::Scene3D::SceneView& obj)
390 DALI_ASSERT_ALWAYS(obj);
391 Dali::RefObject& handle = obj.GetImplementation();
392 return static_cast<Dali::Scene3D::Internal::SceneView&>(handle);
395 inline const Dali::Scene3D::Internal::SceneView& GetImpl(const Dali::Scene3D::SceneView& obj)
397 DALI_ASSERT_ALWAYS(obj);
398 const Dali::RefObject& handle = obj.GetImplementation();
399 return static_cast<const Dali::Scene3D::Internal::SceneView&>(handle);
402 } // namespace Scene3D
406 #endif // DALI_SCENE3D_INTERNAL_SCENE_VIEW_H