Break if vertex count = 0

GPU/GLES/GLES_GPU.cpp

@@ -645,7 +645,10 @@ void GLES_GPU::ExecuteOp(u32 op, u32 diff) {
 
 			u32 count = data & 0xFFFF;
 			GEPrimitiveType prim = static_cast<GEPrimitiveType>(data >> 16);
-
+			
+			if (count == 0)
+				break;
+				
 			// Discard AA lines as we can't do anything that makes sense with these anyway. The SW plugin might, though.
 			
 			// Discard AA lines in DOA