Graphics: Add DebugDrawer support

include/Nazara/Graphics/DebugDrawPipelinePass.hpp

@@ -0,0 +1,50 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// 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_GRAPHICS_DEBUGDRAWPIPELINEPASS_HPP
+#define NAZARA_GRAPHICS_DEBUGDRAWPIPELINEPASS_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Graphics/Config.hpp>
+#include <Nazara/Graphics/ElementRenderer.hpp>
+#include <Nazara/Graphics/FramePipelinePass.hpp>
+#include <Nazara/Graphics/MaterialPass.hpp>
+#include <Nazara/Graphics/RenderElement.hpp>
+#include <Nazara/Graphics/RenderQueue.hpp>
+#include <Nazara/Graphics/RenderQueueRegistry.hpp>
+#include <Nazara/Math/Frustum.hpp>
+
+namespace Nz
+{
+	class AbstractViewer;
+	class FrameGraph;
+	class FramePipeline;
+	class Material;
+
+	class NAZARA_GRAPHICS_API DebugDrawPipelinePass : public FramePipelinePass
+	{
+		public:
+			DebugDrawPipelinePass(FramePipeline& owner, AbstractViewer* viewer);
+			DebugDrawPipelinePass(const DebugDrawPipelinePass&) = delete;
+			DebugDrawPipelinePass(DebugDrawPipelinePass&&) = delete;
+			~DebugDrawPipelinePass() = default;
+
+			void Prepare(RenderFrame& renderFrame);
+
+			void RegisterToFrameGraph(FrameGraph& frameGraph, std::size_t inputColorBufferIndex, std::size_t outputColorBufferIndex);
+
+			DepthPipelinePass& operator=(const DepthPipelinePass&) = delete;
+			DepthPipelinePass& operator=(DepthPipelinePass&&) = delete;
+
+		private:
+			AbstractViewer* m_viewer;
+			FramePipeline& m_pipeline;
+	};
+}
+
+#include <Nazara/Graphics/DebugDrawPipelinePass.inl>
+
+#endif // NAZARA_GRAPHICS_DEBUGDRAWPIPELINEPASS_HPP

include/Nazara/Graphics/DebugDrawPipelinePass.inl

@@ -0,0 +1,12 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// 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/DebugDrawPipelinePass.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+namespace Nz
+{
+}
+
+#include <Nazara/Graphics/DebugOff.hpp>

include/Nazara/Graphics/ForwardFramePipeline.hpp

@@ -11,6 +11,7 @@
 #include <Nazara/Graphics/BakedFrameGraph.hpp>
 #include <Nazara/Graphics/Config.hpp>
 #include <Nazara/Graphics/DepthPipelinePass.hpp>
+#include <Nazara/Graphics/DebugDrawPipelinePass.hpp>
 #include <Nazara/Graphics/ElementRenderer.hpp>
 #include <Nazara/Graphics/ForwardPipelinePass.hpp>
 #include <Nazara/Graphics/FramePipeline.hpp>
@@ -106,10 +107,12 @@ namespace Nz
 
 			struct ViewerData
 			{
-				std::size_t colorAttachment;
+				std::size_t forwardColorAttachment;
+				std::size_t debugColorAttachment;
 				std::size_t depthStencilAttachment;
 				std::unique_ptr<DepthPipelinePass> depthPrepass;
 				std::unique_ptr<ForwardPipelinePass> forwardPass;
+				std::unique_ptr<DebugDrawPipelinePass> debugDrawPass;
 				AbstractViewer* viewer;
 				Int32 renderOrder = 0;
 				RenderQueueRegistry forwardRegistry;

include/Nazara/Graphics/FramePipeline.hpp

@@ -12,6 +12,7 @@
 #include <Nazara/Graphics/RenderElement.hpp>
 #include <Nazara/Graphics/RenderQueue.hpp>
 #include <Nazara/Graphics/WorldInstance.hpp>
+#include <Nazara/Renderer/DebugDrawer.hpp>
 #include <memory>
 #include <vector>
 
@@ -34,6 +35,7 @@ namespace Nz
 
 			template<typename F> void ForEachElementRenderer(F&& callback);
 
+			inline DebugDrawer& GetDebugDrawer();
 			inline ElementRenderer& GetElementRenderer(std::size_t elementIndex);
 			inline std::size_t GetElementRendererCount() const;
 
@@ -66,6 +68,7 @@ namespace Nz
 
 		private:
 			std::vector<std::unique_ptr<ElementRenderer>> m_elementRenderers;
+			DebugDrawer m_debugDrawer;
 	};
 }
 

include/Nazara/Graphics/FramePipeline.inl

@@ -8,6 +8,11 @@
 
 namespace Nz
 {
+	inline DebugDrawer& FramePipeline::GetDebugDrawer()
+	{
+		return m_debugDrawer;
+	}
+
 	inline ElementRenderer& FramePipeline::GetElementRenderer(std::size_t elementIndex)
 	{
 		assert(elementIndex < m_elementRenderers.size());

include/Nazara/Graphics/Systems/RenderSystem.hpp

@@ -40,6 +40,9 @@ namespace Nz
 
 			template<typename T = RenderWindow, typename... Args> T& CreateWindow(Args&&... args);
 
+			inline FramePipeline& GetFramePipeline();
+			inline const FramePipeline& GetFramePipeline() const;
+
 			void Update(float elapsedTime);
 
 			RenderSystem& operator=(const RenderSystem&) = delete;

include/Nazara/Graphics/Systems/RenderSystem.inl

@@ -20,6 +20,16 @@ namespace Nz
 
 		return windowRef;
 	}
+
+	inline FramePipeline& RenderSystem::GetFramePipeline()
+	{
+		return *m_pipeline;
+	}
+
+	inline const FramePipeline& RenderSystem::GetFramePipeline() const
+	{
+		return *m_pipeline;
+	}
 }
 
 #include <Nazara/Graphics/DebugOff.hpp>