Don't needlessly generate cursor drawing code.

src/Main/FrameBuffer.cpp

@@ -33,7 +33,7 @@ namespace sw
 {
 	extern bool forceWindowed;
 
-	FrameBuffer::Cursor FrameBuffer::cursor = {0};
+	FrameBuffer::Cursor FrameBuffer::cursor = {};
 	bool FrameBuffer::topLeftOrigin = false;
 	void FrameBuffer::typeinfo() {}
 
@@ -531,6 +531,8 @@ namespace sw
 				}
 			}
 
+			if(state.cursorWidth > 0 && state.cursorHeight > 0)
+			{
 				Int x0 = *Pointer<Int>(cursor + OFFSET(Cursor,x));
 				Int y0 = *Pointer<Int>(cursor + OFFSET(Cursor,y));
 
@@ -560,6 +562,7 @@ namespace sw
 					}
 				}
 			}
+		}
 
 		return function(L"FrameBuffer");
 	}