Graphics: Add TextureLoader

src/Nazara/Graphics/Formats/TextureLoader.cpp

@@ -0,0 +1,88 @@
+// 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/Formats/TextureLoader.hpp>
+#include <Nazara/Graphics/Graphics.hpp>
+#include <Nazara/Graphics/BasicMaterial.hpp>
+#include <Nazara/Graphics/PhongLightingMaterial.hpp>
+#include <Nazara/Graphics/PhysicallyBasedMaterial.hpp>
+#include <Nazara/Graphics/DepthMaterial.hpp>
+#include <Nazara/Renderer/Texture.hpp>
+#include <Nazara/Utility/Utility.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+namespace Nz
+{
+	namespace Loaders
+	{
+		MaterialLoader::Entry GetMaterialLoader_Texture()
+		{
+			MaterialLoader::Entry loaderEntry;
+			loaderEntry.extensionSupport = [](std::string_view extension)
+			{
+				return Utility::Instance()->GetImageLoader().IsExtensionSupported(extension);
+			};
+
+			loaderEntry.streamLoader = [](Stream& stream, const MaterialParams& parameters) -> Result<std::shared_ptr<Material>, ResourceLoadingError>
+			{
+				TextureParams texParams;
+				texParams.renderDevice = Graphics::Instance()->GetRenderDevice();
+
+				std::shared_ptr<Texture> texture = Texture::LoadFromStream(stream, {});
+				if (!texture)
+					return Err(ResourceLoadingError::Unrecognized);
+
+				std::shared_ptr<Material> material = std::make_shared<Material>();
+
+				// ForwardPass
+				{
+					std::shared_ptr<MaterialPass> matPass;
+					if (parameters.lightingType == MaterialLightingType::Phong)
+						matPass = std::make_shared<MaterialPass>(PhongLightingMaterial::GetSettings());
+					else if (parameters.lightingType == MaterialLightingType::PhysicallyBased)
+						matPass = std::make_shared<MaterialPass>(PhysicallyBasedMaterial::GetSettings());
+					else
+						matPass = std::make_shared<MaterialPass>(BasicMaterial::GetSettings());
+
+					matPass->EnableDepthBuffer(true);
+
+					BasicMaterial forwardPass(*matPass);
+					forwardPass.SetBaseColorMap(texture);
+
+					if (PixelFormatInfo::HasAlpha(texture->GetFormat()))
+						forwardPass.EnableAlphaTest(true);
+
+					material->AddPass("ForwardPass", std::move(matPass));
+				}
+
+				// DepthPass
+				{
+					std::shared_ptr<MaterialPass> matPass = std::make_shared<MaterialPass>(DepthMaterial::GetSettings());
+
+					if (PixelFormatInfo::HasAlpha(texture->GetFormat()))
+					{
+						BasicMaterial depthPass(*matPass);
+						depthPass.SetBaseColorMap(texture);
+						depthPass.EnableAlphaTest(true);
+					}
+
+					material->AddPass("DepthPass", std::move(matPass));
+				}
+
+				return material;
+			};
+
+			loaderEntry.parameterFilter = [](const MaterialParams& parameters)
+			{
+				bool skip;
+				if (parameters.custom.GetBooleanParameter("SkipNativeTextureLoader", &skip) && skip)
+					return false;
+
+				return true;
+			};
+
+			return loaderEntry;
+		}
+	}
+}

src/Nazara/Graphics/Formats/TextureLoader.hpp

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+// 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
+
+#pragma once
+
+#ifndef NAZARA_LOADERS_TEXTURE_HPP
+#define NAZARA_LOADERS_TEXTURE_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Graphics/Material.hpp>
+
+namespace Nz::Loaders
+{
+	MaterialLoader::Entry GetMaterialLoader_Texture();
+}
+
+#endif // NAZARA_LOADERS_TEXTURE_HPP