Graphics: Add RenderSystem and frame pipeline

include/Nazara/Graphics/ForwardFramePipeline.hpp

@@ -0,0 +1,84 @@
+// Copyright (C) 2017 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_FORWARDFRAMEPIPELINE_HPP
+#define NAZARA_FORWARDFRAMEPIPELINE_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Graphics/BakedFrameGraph.hpp>
+#include <Nazara/Graphics/Config.hpp>
+#include <Nazara/Graphics/FramePipeline.hpp>
+#include <Nazara/Graphics/InstancedRenderable.hpp>
+#include <Nazara/Graphics/Material.hpp>
+#include <Nazara/Renderer/ShaderBinding.hpp>
+#include <optional>
+#include <unordered_map>
+#include <unordered_set>
+
+namespace Nz
+{
+	class NAZARA_GRAPHICS_API ForwardFramePipeline : public FramePipeline
+	{
+		public:
+			ForwardFramePipeline();
+			ForwardFramePipeline(const ForwardFramePipeline&) = delete;
+			ForwardFramePipeline(ForwardFramePipeline&&) = delete;
+			~ForwardFramePipeline() = default;
+
+			void InvalidateViewer(AbstractViewer* viewerInstance) override;
+			void InvalidateWorldInstance(WorldInstance* worldInstance) override;
+
+			void RegisterInstancedDrawable(WorldInstance* worldInstance, const InstancedRenderable* instancedRenderable) override;
+			void RegisterViewer(AbstractViewer* viewerInstance) override;
+
+			void Render(RenderFrame& renderFrame) override;
+
+			void UnregisterInstancedDrawable(WorldInstance* worldInstance, const InstancedRenderable* instancedRenderable) override;
+			void UnregisterViewer(AbstractViewer* viewerInstance) override;
+
+			ForwardFramePipeline& operator=(const ForwardFramePipeline&) = delete;
+			ForwardFramePipeline& operator=(ForwardFramePipeline&&) = delete;
+
+		private:
+			BakedFrameGraph BuildFrameGraph();
+			void RegisterMaterial(Material* material);
+			void UnregisterMaterial(Material* material);
+
+			struct MaterialData
+			{
+				std::size_t usedCount = 0;
+
+				NazaraSlot(Material, OnMaterialInvalidated, onMaterialInvalided);
+			};
+
+			struct RenderableData
+			{
+				NazaraSlot(InstancedRenderable, OnMaterialInvalidated, onMaterialInvalidated);
+			};
+
+			struct ViewerData
+			{
+				std::size_t colorAttachment;
+				std::size_t depthStencilAttachment;
+				ShaderBindingPtr blitShaderBinding;
+			};
+
+			std::size_t m_forwardPass;
+			std::unordered_map<AbstractViewer*, ViewerData> m_viewers;
+			std::unordered_map<Material*, MaterialData> m_materials;
+			std::unordered_map<WorldInstance*, std::unordered_map<const InstancedRenderable*, RenderableData>> m_renderables;
+			std::unordered_set<AbstractViewer*> m_invalidatedViewerInstances;
+			std::unordered_set<Material*> m_invalidatedMaterials;
+			std::unordered_set<WorldInstance*> m_invalidatedWorldInstances;
+			BakedFrameGraph m_bakedFrameGraph;
+			bool m_rebuildFrameGraph;
+			bool m_rebuildForwardPass;
+	};
+}
+
+#include <Nazara/Graphics/ForwardFramePipeline.inl>
+
+#endif