New Render queues (#161)

* Add new render queues proof of concept + scissoring support (WIP)

* Graphics: Adapt basic sprites rendering to new render queue system

* Graphics: Fix layers when rendering sprites

* Graphics/RenderQueue: Fix sprite default overlay

* Graphics: Enable scissor test by default

* SDK/Widgets: Enable scissoring on widgets

* Graphics: Handle almost everything with the new renderqueues system

Todo:
- Billboard rendering
- Proper model rendering

* Graphics/RenderQueue: Billboard drawing now works (WIP)

At 1/4 of previous code performances due to individually process of billboards

* Add new render queues proof of concept + scissoring support (WIP)

* Graphics: Adapt basic sprites rendering to new render queue system

* Graphics: Fix layers when rendering sprites

* Graphics/RenderQueue: Fix sprite default overlay

* Graphics: Enable scissor test by default

* SDK/Widgets: Enable scissoring on widgets

* Graphics: Handle almost everything with the new renderqueues system

Todo:
- Billboard rendering
- Proper model rendering

* Graphics/RenderQueue: Billboard drawing now works (WIP)

At 1/4 of previous code performances due to individually process of billboards

* Graphics/RenderQueues: Add full support for billboards

* Graphics/RenderQueue: Cleanup and improve billboard rendering

* Graphics/RenderQueue: Fix model drawing

* Examples/Particles: Fix lighting on space station

* Graphics: Cleanup forward render queue/technique

* Fix compilation under Linux

* Graphics/ForwardRenderTechnique: Fix case when scissoring is enabled on material but disabled on element

* Add support for Deferred Shading

* SDK/Widgets: Fix widget rendering

* Graphics: Remove legacy code from render queues

* Graphics: Fix some objects sometimes not showing up due to broken scissor box

* Fix compilation error

* Sdk/GraphicsGraphics: Fix bounding volume

* SDK/World: Fix self-assignation

* Update changelog for render queues

SDK/include/NDK/BaseWidget.hpp

@@ -83,9 +83,10 @@ namespace Ndk
 			};
 
 		protected:
-			const EntityHandle& CreateEntity();
+			const EntityHandle& CreateEntity(bool isContentEntity);
 			void DestroyEntity(Entity* entity);
 			virtual void Layout();
+
 			void InvalidateNode() override;
 
 			virtual bool IsFocusable() const;
@@ -111,11 +112,18 @@ namespace Ndk
 			void RegisterToCanvas();
 			inline void UpdateCanvasIndex(std::size_t index);
 			void UnregisterFromCanvas();
+			void UpdatePositionAndSize();
+
+			struct WidgetEntity
+			{
+				EntityOwner handle;
+				bool isContent;
+			};
 
 			static constexpr std::size_t InvalidCanvasIndex = std::numeric_limits<std::size_t>::max();
 
 			std::size_t m_canvasIndex;
-			std::vector<EntityOwner> m_entities;
+			std::vector<WidgetEntity> m_entities;
 			std::vector<std::unique_ptr<BaseWidget>> m_children;
 			Canvas* m_canvas;
 			EntityOwner m_backgroundEntity;

SDK/include/NDK/Canvas.inl

@@ -62,7 +62,7 @@ namespace Ndk
 		WidgetEntry& entry = m_widgetEntries[index];
 
 		Nz::Vector3f pos = entry.widget->GetPosition();
-		Nz::Vector2f size = entry.widget->GetContentSize();
+		Nz::Vector2f size = entry.widget->GetSize();
 
 		entry.box.Set(pos.x, pos.y, pos.z, size.x, size.y, 1.f);
 	}

SDK/include/NDK/Components/GraphicsComponent.hpp

@@ -28,7 +28,7 @@ namespace Ndk
 		public:
 			using RenderableList = std::vector<Nz::InstancedRenderableRef>;
 
-			GraphicsComponent() = default;
+			GraphicsComponent();
 			inline GraphicsComponent(const GraphicsComponent& graphicsComponent);
 			~GraphicsComponent() = default;
 
@@ -54,6 +54,8 @@ namespace Ndk
 
 			inline void RemoveFromCullingList(GraphicsComponentCullingList* cullingList) const;
 
+			inline void SetScissorRect(const Nz::Recti& scissorRect);
+
 			inline void UpdateLocalMatrix(const Nz::InstancedRenderable* instancedRenderable, const Nz::Matrix4f& localMatrix);
 			inline void UpdateRenderOrder(const Nz::InstancedRenderable* instancedRenderable, int renderOrder);
 
@@ -144,6 +146,7 @@ namespace Ndk
 			std::unordered_map<const Nz::Material*, MaterialEntry> m_materialEntries;
 			mutable Nz::BoundingVolumef m_boundingVolume;
 			mutable Nz::Matrix4f m_transformMatrix;
+			Nz::Recti m_scissorRect;
 			Nz::TextureRef m_reflectionMap;
 			mutable bool m_boundingVolumeUpdated;
 			mutable bool m_transformMatrixUpdated;

SDK/include/NDK/Components/GraphicsComponent.inl

@@ -9,12 +9,16 @@
 
 namespace Ndk
 {
+	inline GraphicsComponent::GraphicsComponent() :
+	m_scissorRect(-1, -1)
+	{
+	}
+
 	/*!
 	* \brief Constructs a GraphicsComponent object by copy semantic
 	*
 	* \param graphicsComponent GraphicsComponent to copy
 	*/
-
 	inline GraphicsComponent::GraphicsComponent(const GraphicsComponent& graphicsComponent) :
 	Component(graphicsComponent),
 	HandledObject(graphicsComponent),
@@ -177,6 +181,14 @@ namespace Ndk
 		}
 	}
 
+	inline void GraphicsComponent::SetScissorRect(const Nz::Recti& scissorRect)
+	{
+		m_scissorRect = scissorRect;
+
+		for (VolumeCullingEntry& entry : m_volumeCullingEntries)
+			entry.listEntry.ForceInvalidation(); //< Invalidate render queues
+	}
+
 	inline void GraphicsComponent::UpdateLocalMatrix(const Nz::InstancedRenderable* instancedRenderable, const Nz::Matrix4f& localMatrix)
 	{
 		for (auto& renderable : m_renderables)

SDK/include/NDK/Widgets/LabelWidget.hpp

@@ -28,7 +28,7 @@ namespace Ndk
 
 			//virtual LabelWidget* Clone() const = 0;
 
-			void ResizeToContent();
+			void ResizeToContent() override;
 
 			inline void UpdateText(const Nz::AbstractTextDrawer& drawer);
 
@@ -36,6 +36,8 @@ namespace Ndk
 			LabelWidget& operator=(LabelWidget&&) = default;
 
 		private:
+			void Layout() override;
+
 			EntityHandle m_textEntity;
 			Nz::TextSpriteRef m_textSprite;
 	};

SDK/include/NDK/World.inl

@@ -426,7 +426,7 @@ namespace Ndk
 		m_orderedSystems        = std::move(world.m_orderedSystems);
 		m_orderedSystemsUpdated = world.m_orderedSystemsUpdated;
 		m_profilerData          = std::move(world.m_profilerData);
-		m_isProfilerEnabled     = m_isProfilerEnabled;
+		m_isProfilerEnabled     = world.m_isProfilerEnabled;
 
 		m_entities = std::move(world.m_entities);
 		for (EntityBlock& block : m_entities)