Fall back to glTexImage instead of glTexStorage on Radeon 3xxx drivers on Windows. Potentially works around a graphics driver bug which prevented text from showing up.

src/modules/graphics/opengl/OpenGL.h

@@ -159,6 +159,16 @@ public:
 		 **/
 		bool clientWaitSyncStalls;
 
+		/**
+		 * glTexStorage on some older AMD/ATI graphics drivers on Windows seems
+		 * to break subsequent sub-rectangle glTexSubImage calls after an
+		 * initial full-size one (determined after some investigation with an
+		 * affected user on Discord.)
+		 * https://bitbucket.org/rude/love/issues/1436/bug-with-lovegraphicsprint-on-older-ati
+		 *
+		 **/
+		bool texStorageBreaksSubImage;
+
 		/**
 		 * Other bugs which have workarounds that don't use conditional code at
 		 * the moment: