Further shader compilation development.

include/opengl/shading/features/combined_features.hpp

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <utility>
+
+#include "opengl/shading/model_geometry.hpp"
+#include "mesh_features.hpp"
+#include "point_cloud_features.hpp"
+#include "generic_features.hpp"
+
+namespace zgl::shading::features::combined
+{
+union type
+{
+	features::mesh::flags mesh;
+	features::point_cloud::flags point_cloud;
+
+	[[nodiscard]] features::generic::type to_generic(const model_geometry::types geometry) const noexcept
+	{
+		switch (geometry)
+		{
+		case model_geometry::types::mesh:
+			return static_cast<features::generic::type>(mesh);
+		case model_geometry::types::point_cloud:
+			return static_cast<features::generic::type>(point_cloud);
+		}
+		std::unreachable();
+	}
+
+	void from_generic(
+		const model_geometry::types geometry,
+		const features::generic::type new_features
+	) noexcept {
+		switch (geometry)
+		{
+		case model_geometry::types::mesh:
+			mesh = static_cast<features::mesh::flags>(new_features);
+		case model_geometry::types::point_cloud:
+			point_cloud = static_cast<features::point_cloud::flags>(new_features);
+		}
+		std::unreachable();
+	}
+};
+}