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/DeferredBloomPass.hpp

@@ -0,0 +1,54 @@
+// 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_DEFERREDBLOOMPASS_HPP
+#define NAZARA_DEFERREDBLOOMPASS_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Graphics/DeferredRenderPass.hpp>
+#include <Nazara/Renderer/RenderStates.hpp>
+#include <Nazara/Renderer/RenderTexture.hpp>
+#include <Nazara/Renderer/ShaderProgram.hpp>
+#include <Nazara/Renderer/Texture.hpp>
+#include <Nazara/Renderer/TextureSampler.hpp>
+
+class NAZARA_API NzDeferredBloomPass : public NzDeferredRenderPass
+{
+	public:
+		NzDeferredBloomPass();
+		virtual ~NzDeferredBloomPass();
+
+		unsigned int GetBlurPassCount() const;
+		float GetBrightLuminance() const;
+		float GetBrightMiddleGrey() const;
+		float GetBrightThreshold() const;
+		NzTexture* GetTexture(unsigned int i) const;
+
+		bool Process(const NzScene* scene, unsigned int firstWorkTexture, unsigned secondWorkTexture) const;
+		bool Resize(const NzVector2ui& dimensions);
+
+		void SetBlurPassCount(unsigned int passCount);
+		void SetBrightLuminance(float luminance);
+		void SetBrightMiddleGrey(float middleGrey);
+		void SetBrightThreshold(float threshold);
+
+	protected:
+		NzRenderStates m_bloomStates;
+		NzRenderTexture m_bloomRTT;
+		NzShaderProgramRef m_bloomBrightProgram;
+		NzShaderProgramRef m_bloomFinalProgram;
+		NzShaderProgramRef m_gaussianBlurProgram;
+		NzTextureRef m_bloomTextures[2];
+		NzTextureSampler m_bilinearSampler;
+		mutable bool m_uniformUpdated;
+		float m_brightLuminance;
+		float m_brightMiddleGrey;
+		float m_brightThreshold;
+		int m_gaussianBlurProgramFilterLocation;
+		unsigned int m_blurPassCount;
+};
+
+#endif // NAZARA_DEFERREDBLOOMPASS_HPP