Conditionally compile different drivers

engine/src/drivers/linux/system_driver.cpp

@@ -4,10 +4,17 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#include "drivers/linux/system_driver.h"
+#ifdef NOVA_WAYLAND
+	#include "drivers/linux/wayland/system_driver.h"
+#endif
+#ifdef NOVA_X11
+	#include "drivers/linux/x11/system_driver.h"
+#endif
 
 #include <nova/core/debug.h>
 
+#include "drivers/linux/system_driver.h"
+
 using namespace Nova;
 
 LinuxSystemDriver::LinuxSystemDriver() {
@@ -17,3 +24,21 @@ LinuxSystemDriver::LinuxSystemDriver() {
 LinuxSystemDriver::~LinuxSystemDriver() {
 	NOVA_AUTO_TRACE();
 }
+
+std::unique_ptr<SystemDriver> LinuxSystemDriver::get_default_driver() {
+	NOVA_AUTO_TRACE();
+
+#ifdef NOVA_WAYLAND
+	if (std::getenv("WAYLAND_DISPLAY")) {
+		return std::make_unique<WaylandSystemDriver>();
+	}
+#endif
+#ifdef NOVA_X11
+	if (std::getenv("DISPLAY")) {
+		return std::make_unique<X11SystemDriver>();
+	}
+#endif
+
+	NOVA_WARN("Unsupported display server");
+	return std::make_unique<LinuxSystemDriver>();
+}

engine/src/drivers/linux/system_driver.h

@@ -8,10 +8,14 @@
 
 #include <nova/platform/system_driver.h>
 
+#include <memory>
+
 namespace Nova {
 	class LinuxSystemDriver : public SystemDriver {
 	  public:
 		LinuxSystemDriver();
 		~LinuxSystemDriver() override;
+
+		static std::unique_ptr<SystemDriver> get_default_driver();
 	};
 } // namespace Nova