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

src/Nazara/Graphics/DeferredForwardPass.cpp

@@ -0,0 +1,45 @@
+// 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
+
+#include <Nazara/Graphics/DeferredForwardPass.hpp>
+#include <Nazara/Graphics/AbstractBackground.hpp>
+#include <Nazara/Graphics/AbstractViewer.hpp>
+#include <Nazara/Graphics/DeferredRenderTechnique.hpp>
+#include <Nazara/Graphics/ForwardRenderTechnique.hpp>
+#include <Nazara/Graphics/Scene.hpp>
+#include <Nazara/Renderer/Renderer.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+NzDeferredForwardPass::NzDeferredForwardPass() = default;
+NzDeferredForwardPass::~NzDeferredForwardPass() = default;
+
+void NzDeferredForwardPass::Initialize(NzDeferredRenderTechnique* technique)
+{
+	NzDeferredRenderPass::Initialize(technique);
+
+	m_forwardTechnique = technique->GetForwardTechnique();
+}
+
+bool NzDeferredForwardPass::Process(const NzScene* scene, unsigned int workTexture, unsigned sceneTexture) const
+{
+	NazaraUnused(workTexture);
+
+	m_workRTT->SetColorTarget(sceneTexture);
+	NzRenderer::SetTarget(m_workRTT);
+	NzRenderer::SetViewport(NzRecti(0, 0, m_dimensions.x, m_dimensions.y));
+
+	NzAbstractBackground* background = scene->GetBackground();
+	if (background)
+		background->Draw(scene);
+
+	NzAbstractViewer* viewer = scene->GetViewer();
+
+	NzRenderer::SetMatrix(nzMatrixType_Projection, viewer->GetProjectionMatrix());
+	NzRenderer::SetMatrix(nzMatrixType_View, viewer->GetViewMatrix());
+
+	m_forwardTechnique->Draw(scene);
+
+	return false;
+}
+