WIP

2020-09-22 17:40:26 +02:00
parent abf58857d7
commit 3b2e375382
27 changed files with 5502 additions and 8 deletions
--- a/src/Nazara/Graphics/PredefinedShaderStructs.cpp
+++ b/src/Nazara/Graphics/PredefinedShaderStructs.cpp
@@ -0,0 +1,167 @@
+// Copyright (C) 2017 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/PredefinedShaderStructs.hpp>
+#include <Nazara/Utility/FieldOffsets.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+namespace Nz
+{
+	PredefinedLightData PredefinedLightData::GetOffset()
+	{
+		PredefinedLightData lightData;
+
+		FieldOffsets lightStruct(StructLayout_Std140);
+		lightData.innerOffsets.type = lightStruct.AddField(StructFieldType_Int1);
+		lightData.innerOffsets.color = lightStruct.AddField(StructFieldType_Float4); 
+		lightData.innerOffsets.factor = lightStruct.AddField(StructFieldType_Float2); 
+		lightData.innerOffsets.parameter1 = lightStruct.AddField(StructFieldType_Float4);
+		lightData.innerOffsets.parameter2 = lightStruct.AddField(StructFieldType_Float4);
+		lightData.innerOffsets.parameter3 = lightStruct.AddField(StructFieldType_Float2);
+		lightData.innerOffsets.shadowMappingFlag = lightStruct.AddField(StructFieldType_Bool1);
+
+		lightData.innerOffsets.totalSize = lightStruct.GetSize();
+
+		FieldOffsets lightDataStruct(StructLayout_Std140);
+		for (std::size_t& lightOffset : lightData.lightArray)
+			lightOffset = lightDataStruct.AddStruct(lightStruct);
+
+		lightData.lightArraySize = lightDataStruct.GetSize();
+
+		return lightData;
+	}
+
+	MaterialSettings::SharedUniformBlock PredefinedLightData::GetUniformBlock()
+	{
+		PredefinedLightData lightData = GetOffset();
+
+		std::vector<MaterialSettings::UniformVariable> lightDataVariables;
+		for (std::size_t i = 0; i < lightData.lightArray.size(); ++i)
+		{
+			lightDataVariables.push_back({
+				"LightData[" + std::to_string(i) + "]",
+				lightData.lightArray[i]
+			});
+		}
+
+		MaterialSettings::SharedUniformBlock uniformBlock = {
+			"Light",
+			"LightData",
+			std::move(lightDataVariables)
+		};
+
+		return uniformBlock;
+	}
+
+	PredefinedInstanceData PredefinedInstanceData::GetOffset()
+	{
+		FieldOffsets viewerStruct(StructLayout_Std140);
+
+		PredefinedInstanceData instanceData;
+		instanceData.worldMatrixOffset = viewerStruct.AddMatrix(StructFieldType_Float1, 4, 4, true);
+		instanceData.invWorldMatrixOffset = viewerStruct.AddMatrix(StructFieldType_Float1, 4, 4, true);
+
+		instanceData.totalSize = viewerStruct.GetSize();
+
+		return instanceData;
+	}
+
+	MaterialSettings::SharedUniformBlock PredefinedInstanceData::GetUniformBlock()
+	{
+		PredefinedInstanceData instanceData = GetOffset();
+
+		std::vector<MaterialSettings::UniformVariable> instanceDataVariables;
+		instanceDataVariables.assign({
+			{
+				"WorldMatrix",
+				instanceData.worldMatrixOffset
+			},
+			{
+				"InvWorldMatrix",
+				instanceData.invWorldMatrixOffset
+			},
+		});
+
+		MaterialSettings::SharedUniformBlock uniformBlock = {
+			"Instance",
+			"InstanceData",
+			std::move(instanceDataVariables)
+		};
+
+		return uniformBlock;
+	}
+
+	PredefinedViewerData PredefinedViewerData::GetOffset()
+	{
+		FieldOffsets viewerStruct(StructLayout_Std140);
+
+		PredefinedViewerData viewerData;
+		viewerData.projMatrixOffset = viewerStruct.AddMatrix(StructFieldType_Float1, 4, 4, true);
+		viewerData.invProjMatrixOffset = viewerStruct.AddMatrix(StructFieldType_Float1, 4, 4, true);
+		viewerData.viewMatrixOffset = viewerStruct.AddMatrix(StructFieldType_Float1, 4, 4, true);
+		viewerData.invViewMatrixOffset = viewerStruct.AddMatrix(StructFieldType_Float1, 4, 4, true);
+		viewerData.viewProjMatrixOffset = viewerStruct.AddMatrix(StructFieldType_Float1, 4, 4, true);
+		viewerData.invViewProjMatrixOffset = viewerStruct.AddMatrix(StructFieldType_Float1, 4, 4, true);
+		viewerData.targetSizeOffset = viewerStruct.AddField(StructFieldType_Float2);
+		viewerData.invTargetSizeOffset = viewerStruct.AddField(StructFieldType_Float2);
+		viewerData.eyePositionOffset = viewerStruct.AddField(StructFieldType_Float3);
+
+		viewerData.totalSize = viewerStruct.GetSize();
+
+		return viewerData;
+	}
+
+	MaterialSettings::SharedUniformBlock PredefinedViewerData::GetUniformBlock()
+	{
+		PredefinedViewerData viewerData = GetOffset();
+
+		std::vector<MaterialSettings::UniformVariable> viewerDataVariables;
+		viewerDataVariables.assign({
+			{
+				"ProjMatrix",
+				viewerData.projMatrixOffset
+			},
+			{
+				"InvProjMatrix",
+				viewerData.invProjMatrixOffset
+			},
+			{
+				"ViewMatrix",
+				viewerData.viewMatrixOffset
+			},
+			{
+				"InvViewMatrix",
+				viewerData.invViewMatrixOffset
+			},
+			{
+				"ViewProjMatrix",
+				viewerData.viewProjMatrixOffset
+			},
+			{
+				"InvViewProjMatrix",
+				viewerData.invViewProjMatrixOffset
+			},
+			{
+				"TargetSize",
+				viewerData.targetSizeOffset
+			},
+			{
+				"InvTargetSize",
+				viewerData.invTargetSizeOffset
+			},
+			{
+				"EyePosition",
+				viewerData.eyePositionOffset
+			}
+		});
+
+		MaterialSettings::SharedUniformBlock uniformBlock = {
+			"Viewer",
+			"ViewerData",
+			std::move(viewerDataVariables)
+		};
+
+		return uniformBlock;
+	}
+}