std140 implementation

include/opengl/metadata/material_metadata.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "opengl/handles/texture_handle.hpp"
+
+namespace zgl
+{
+
+struct material_metadata
+{
+	texture_handle ambient_color_texture_handle;
+	texture_handle diffuse_color_texture_handle;
+	texture_handle specular_color_texture_handle;
+	texture_handle shininess_texture_handle;
+	texture_handle alpha_texture_handle;
+	texture_handle bump_texture_handle;
+};
+
+}