Graphics: Add DepthMaterial

src/Nazara/Graphics/DepthMaterial.cpp

@@ -0,0 +1,44 @@
+// 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/DepthMaterial.hpp>
+#include <Nazara/Shader/ShaderLangParser.hpp>
+#include <Nazara/Utility/FieldOffsets.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+namespace Nz
+{
+	namespace
+	{
+		const UInt8 r_shader[] = {
+			#include <Nazara/Graphics/Resources/Shaders/depth_material.nzsl.h>
+		};
+	}
+
+	std::vector<std::shared_ptr<UberShader>> DepthMaterial::BuildShaders()
+	{
+		ShaderAst::StatementPtr shaderAst = ShaderLang::Parse(std::string_view(reinterpret_cast<const char*>(r_shader), sizeof(r_shader)));
+		auto shader = std::make_shared<UberShader>(ShaderStageType::Fragment | ShaderStageType::Vertex, shaderAst);
+
+		return { std::move(shader) };
+	}
+
+	bool DepthMaterial::Initialize()
+	{
+		UniformOffsets offsets;
+		std::tie(offsets, std::ignore) = BuildUniformOffsets();
+
+		std::vector<UInt8> defaultValues(offsets.totalSize);
+		s_materialSettings = std::make_shared<MaterialSettings>(Build(offsets, std::move(defaultValues), BuildShaders()));
+
+		return true;
+	}
+
+	void DepthMaterial::Uninitialize()
+	{
+		s_materialSettings.reset();
+	}
+
+	std::shared_ptr<MaterialSettings> DepthMaterial::s_materialSettings;
+}