Big UberShader update

-Added GRAPHICS_MAX_LIGHTPERPASS macro
-Added glGetActiveUniform OpenGL function
-Added (Uber)ShaderLibrary
-Added (Uber)ShaderName parameter to models
-Changed uniform system
-Fixed Node copying
-Moved Material class to Graphics module
-Optimized lights
-Remade Shader class
-Renamed Node::Invalidate to Node::InvalidateNode
-Renamed ShaderProgram to Shader


Former-commit-id: 15f0cad52969e91a2442e7d750ba2dc412f3549d

src/Nazara/Graphics/Loaders/Texture/Loader.cpp

@@ -0,0 +1,50 @@
+// Copyright (C) 2014 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/Loaders/Texture.hpp>
+#include <Nazara/Graphics/Material.hpp>
+#include <Nazara/Renderer/Texture.hpp>
+#include <memory>
+#include <Nazara/Graphics/Debug.hpp>
+
+namespace
+{
+	nzTernary Check(NzInputStream& stream, const NzMaterialParams& parameters)
+	{
+		NazaraUnused(stream);
+		NazaraUnused(parameters);
+
+		return nzTernary_Unknown;
+	}
+
+	bool Load(NzMaterial* material, NzInputStream& stream, const NzMaterialParams& parameters)
+	{
+		NazaraUnused(parameters);
+
+		std::unique_ptr<NzTexture> texture(new NzTexture);
+		texture->SetPersistent(false);
+
+		if (!texture->LoadFromStream(stream))
+		{
+			NazaraError("Failed to load diffuse map");
+			return false;
+		}
+
+		material->Reset();
+		material->SetDiffuseMap(texture.get());
+		texture.release();
+
+		return true;
+	}
+}
+
+void NzLoaders_Texture_Register()
+{
+	NzMaterialLoader::RegisterLoader(NzImageLoader::IsExtensionSupported, Check, Load);
+}
+
+void NzLoaders_Texture_Unregister()
+{
+	NzMaterialLoader::UnregisterLoader(NzImageLoader::IsExtensionSupported, Check, Load);
+}