Graphics: Implement point-light shadow-mapping

include/Nazara/Graphics/FrameGraph.hpp

@@ -123,6 +123,7 @@ namespace Nz
 			bool HasAttachment(const std::vector<FramePass::Input>& inputs, std::size_t attachmentIndex) const;
 			void RemoveDuplicatePasses();
 			std::size_t ResolveAttachmentIndex(std::size_t attachmentIndex) const;
+			void RegisterPassInput(std::size_t passIndex, std::size_t attachmentIndex);
 			std::size_t RegisterTexture(std::size_t attachmentIndex);
 			void ReorderPasses();
 			void TraverseGraph(std::size_t passIndex);

include/Nazara/Graphics/FramePass.hpp

@@ -12,6 +12,7 @@
 #include <Nazara/Graphics/Config.hpp>
 #include <Nazara/Graphics/FramePassAttachment.hpp>
 #include <Nazara/Math/Rect.hpp>
+#include <Nazara/Renderer/Enums.hpp>
 #include <functional>
 #include <limits>
 #include <optional>
@@ -73,6 +74,7 @@ namespace Nz
 			inline void SetDepthStencilInput(std::size_t attachmentId);
 			inline void SetDepthStencilOutput(std::size_t attachmentId);
 			inline void SetExecutionCallback(ExecutionCallback callback);
+			inline void SetInputLayout(std::size_t inputIndex, TextureLayout layout);
 			inline void SetReadInput(std::size_t inputIndex, bool doesRead);
 
 			FramePass& operator=(const FramePass&) = delete;
@@ -89,6 +91,7 @@ namespace Nz
 			struct Input
 			{
 				std::size_t attachmentId;
+				std::optional<TextureLayout> assumedLayout;
 				bool doesRead = true;
 			};
 

include/Nazara/Graphics/FramePass.inl

@@ -128,6 +128,12 @@ namespace Nz
 		m_executionCallback = std::move(callback);
 	}
 
+	inline void FramePass::SetInputLayout(std::size_t inputIndex, TextureLayout layout)
+	{
+		assert(inputIndex < m_inputs.size());
+		m_inputs[inputIndex].assumedLayout = layout;
+	}
+
 	inline void FramePass::SetReadInput(std::size_t inputIndex, bool doesRead)
 	{
 		assert(inputIndex < m_inputs.size());

include/Nazara/Graphics/PointLight.inl

@@ -70,6 +70,7 @@ namespace Nz
 		m_position = position;
 
 		UpdateBoundingVolume();
+		OnLightTransformInvalided(this);
 	}
 
 	inline void PointLight::UpdateRadius(float radius)

include/Nazara/Graphics/PointLightShadowData.hpp

@@ -0,0 +1,64 @@
+// 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_POINTLIGHTSHADOWDATA_HPP
+#define NAZARA_GRAPHICS_POINTLIGHTSHADOWDATA_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Graphics/Config.hpp>
+#include <Nazara/Graphics/DepthPipelinePass.hpp>
+#include <Nazara/Graphics/Light.hpp>
+#include <Nazara/Graphics/LightShadowData.hpp>
+#include <Nazara/Graphics/ShadowViewer.hpp>
+#include <array>
+
+namespace Nz
+{
+	class FramePipeline;
+	class PointLight;
+
+	class NAZARA_GRAPHICS_API PointLightShadowData : public LightShadowData
+	{
+		public:
+			PointLightShadowData(FramePipeline& pipeline, ElementRendererRegistry& elementRegistry, const PointLight& light);
+			PointLightShadowData(const PointLightShadowData&) = delete;
+			PointLightShadowData(PointLightShadowData&&) = delete;
+			~PointLightShadowData() = default;
+
+			void PrepareRendering(RenderFrame& renderFrame) override;
+
+			void RegisterMaterialInstance(const MaterialInstance& matInstance) override;
+			void RegisterPassInputs(FramePass& pass) override;
+			void RegisterToFrameGraph(FrameGraph& frameGraph) override;
+
+			const Texture* RetrieveLightShadowmap(const BakedFrameGraph& bakedGraph) const override;
+
+			void UnregisterMaterialInstance(const MaterialInstance& matInstance) override;
+
+			PointLightShadowData& operator=(const PointLightShadowData&) = delete;
+			PointLightShadowData& operator=(PointLightShadowData&&) = delete;
+
+		private:
+			NazaraSlot(Light, OnLightShadowMapSettingChange, m_onLightShadowMapSettingChange);
+			NazaraSlot(Light, OnLightTransformInvalided, m_onLightTransformInvalidated);
+
+			struct DirectionData
+			{
+				std::optional<DepthPipelinePass> depthPass;
+				std::size_t attachmentIndex;
+				ShadowViewer viewer;
+			};
+
+			std::array<DirectionData, 6> m_directions;
+			std::size_t m_cubeAttachmentIndex;
+			FramePipeline& m_pipeline;
+			const PointLight& m_light;
+	};
+}
+
+#include <Nazara/Graphics/PointLightShadowData.inl>
+
+#endif // NAZARA_GRAPHICS_POINTLIGHTSHADOWDATA_HPP

include/Nazara/Graphics/PointLightShadowData.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/PointLightShadowData.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+namespace Nz
+{
+}
+
+#include <Nazara/Graphics/DebugOff.hpp>

include/Nazara/Graphics/ShadowViewer.hpp

@@ -16,7 +16,7 @@ namespace Nz
 	class NAZARA_GRAPHICS_API ShadowViewer : public AbstractViewer
 	{
 		public:
-			inline ShadowViewer(const Recti& viewport, UInt32 renderMask);
+			ShadowViewer() = default;
 			ShadowViewer(const ShadowViewer&) = delete;
 			ShadowViewer(ShadowViewer&&) = delete;
 			~ShadowViewer() = default;

include/Nazara/Graphics/ShadowViewer.inl

@@ -7,12 +7,6 @@
 
 namespace Nz
 {
-	inline ShadowViewer::ShadowViewer(const Recti& viewport, UInt32 renderMask) :
-	m_renderMask(renderMask)
-	{
-		UpdateViewport(viewport);
-	}
-
 	inline void ShadowViewer::UpdateRenderMask(UInt32 renderMask)
 	{
 		m_renderMask = renderMask;