diff --git a/source/Platform/PlatformDisplay.h b/source/Platform/PlatformDisplay.h
index ea97578..3fff71f 100644
--- a/source/Platform/PlatformDisplay.h
+++ b/source/Platform/PlatformDisplay.h
@@ -4,6 +4,7 @@
 
 #include <Spectre/Math/Vector2.h>
 #include <Spectre/Display/DisplayDescription.h>
+#include <Spectre/Display/DisplayMode.h>
 #include <string>
 #include <cstdint>
 
@@ -45,6 +46,10 @@ public :
 
 	virtual void maximize() = 0;
 
+	virtual void enterFullscreen(DisplayMode mode) = 0;
+
+	virtual void exitFullscreen() = 0;
+
 	virtual void setCaption(const std::string& caption) = 0;
 
 	virtual void setIcon(unsigned int width, unsigned int height, const uint8_t *pixels) = 0;