Deferred Shading update

-Deferred Shading now use a dynamics pass system
-Forward Shading is now capable of rendering more than three lights
(Multipass)


Former-commit-id: 74ed0b998d72aa9eb3bd2aab938a75985ebb2bf6

include/Nazara/Graphics/DeferredRenderPass.hpp

@@ -0,0 +1,52 @@
+// Copyright (C) 2013 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_DEFERREDRENDERPASS_HPP
+#define NAZARA_DEFERREDRENDERPASS_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Graphics/Enums.hpp>
+#include <Nazara/Math/Vector2.hpp>
+
+class NzDeferredRenderTechnique;
+class NzDeferredRenderQueue;
+class NzRenderBuffer;
+class NzRenderTexture;
+class NzScene;
+class NzTexture;
+
+class NAZARA_API NzDeferredRenderPass
+{
+	friend NzDeferredRenderTechnique;
+
+	public:
+		NzDeferredRenderPass();
+		virtual ~NzDeferredRenderPass();
+
+		void Enable(bool enable);
+
+		virtual void Initialize(NzDeferredRenderTechnique* technique);
+
+		bool IsEnabled() const;
+
+		virtual bool Process(const NzScene* scene, unsigned int workTexture, unsigned sceneTexture) const = 0;
+		virtual bool Resize(const NzVector2ui& GBufferSize);
+
+	protected:
+		NzVector2ui m_dimensions;
+		NzDeferredRenderTechnique* m_deferredTechnique;
+		NzDeferredRenderQueue* m_renderQueue;
+		NzRenderBuffer* m_depthStencilBuffer;
+		NzRenderTexture* m_GBufferRTT;
+		NzRenderTexture* m_workRTT;
+		NzTexture* m_GBuffer[4];
+		NzTexture* m_workTextures[2];
+
+	private:
+		bool m_enabled;
+};
+
+#endif // NAZARA_DEFERREDRENDERPASS_HPP