Widgets: Reuse materials to improve performance

include/Nazara/Widgets/BaseWidget.hpp

@@ -159,18 +159,18 @@ namespace Nz
 
 			std::optional<entt::entity> m_backgroundEntity;
 			std::size_t m_canvasIndex;
-			std::shared_ptr<Nz::Sprite> m_backgroundSprite;
+			std::shared_ptr<Sprite> m_backgroundSprite;
 			std::vector<WidgetEntity> m_entities;
 			std::vector<std::unique_ptr<BaseWidget>> m_children;
 			entt::registry* m_registry;
 			Canvas* m_canvas;
 			Color m_backgroundColor;
-			Nz::Rectf m_renderingRect;
-			Nz::SystemCursor m_cursor;
-			Nz::Vector2f m_maximumSize;
-			Nz::Vector2f m_minimumSize;
-			Nz::Vector2f m_preferredSize;
-			Nz::Vector2f m_size;
+			Rectf m_renderingRect;
+			SystemCursor m_cursor;
+			Vector2f m_maximumSize;
+			Vector2f m_minimumSize;
+			Vector2f m_preferredSize;
+			Vector2f m_size;
 			BaseWidget* m_widgetParent;
 			bool m_visible;
 	};

include/Nazara/Widgets/Widgets.hpp

@@ -15,6 +15,9 @@
 
 namespace Nz
 {
+	class Material;
+	class MaterialPass;
+
 	class NAZARA_WIDGETS_API Widgets : public ModuleBase<Widgets>
 	{
 		friend ModuleBase;
@@ -27,9 +30,22 @@ namespace Nz
 			Widgets(Config config);
 			~Widgets() = default;
 
+			inline const std::shared_ptr<Material>& GetOpaqueMaterial() const;
+			inline const std::shared_ptr<MaterialPass>& GetOpaqueMaterialPass() const;
+
+			inline const std::shared_ptr<Material>& GetTransparentMaterial() const;
+			inline const std::shared_ptr<MaterialPass>& GetTransparentMaterialPass() const;
+
 			struct Config {};
 
 		private:
+			void CreateDefaultMaterials();
+
+			std::shared_ptr<Material> m_opaqueMaterial;
+			std::shared_ptr<Material> m_transparentMaterial;
+			std::shared_ptr<MaterialPass> m_opaqueMaterialPass;
+			std::shared_ptr<MaterialPass> m_transparentMaterialPass;
+
 			static Widgets* s_instance;
 	};
 }

include/Nazara/Widgets/Widgets.inl

@@ -7,6 +7,25 @@
 
 namespace Nz
 {
+	inline const std::shared_ptr<Material>& Widgets::GetOpaqueMaterial() const
+	{
+		return m_opaqueMaterial;
+	}
+
+	inline const std::shared_ptr<MaterialPass>& Widgets::GetOpaqueMaterialPass() const
+	{
+		return m_opaqueMaterialPass;
+	}
+
+	inline const std::shared_ptr<Material>& Widgets::GetTransparentMaterial() const
+	{
+		return m_transparentMaterial;
+	}
+
+	inline const std::shared_ptr<MaterialPass>& Widgets::GetTransparentMaterialPass() const
+	{
+		return m_transparentMaterialPass;
+	}
 }
 
 #include <Nazara/Widgets/DebugOff.hpp>