Graphics: Add RenderSystem and frame pipeline

src/Nazara/Graphics/Components/CameraComponent.cpp

@@ -0,0 +1,28 @@
+// Copyright (C) 2021 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Utility module"
+// For conditions of distribution and use, see copyright notice in Prerequisites.hpp
+
+#include <Nazara/Graphics/Components/CameraComponent.hpp>
+#include <stdexcept>
+#include <Nazara/Graphics/Debug.hpp>
+
+namespace Nz
+{
+	const RenderTarget& CameraComponent::GetRenderTarget()
+	{
+		if (!m_renderTarget)
+			throw std::runtime_error("no rendertarget set");
+
+		return* m_renderTarget;
+	}
+
+	ViewerInstance& CameraComponent::GetViewerInstance()
+	{
+		return m_viewerInstance;
+	}
+
+	const ViewerInstance& CameraComponent::GetViewerInstance() const
+	{
+		return m_viewerInstance;
+	}
+}