JNIEXPORT void JNICALL Java_com_arm_malideveloper_openglessdk_terrain_Terrain_step(JNIEnv *env, jclass jcls)
JNIEXPORT void JNICALL Java_com_arm_malideveloper_openglessdk_terrain_Terrain_uninit(JNIEnv *, jclass)
JNIEXPORT void JNICALL Java_com_arm_malideveloper_openglessdk_terrain_Terrain_init(JNIEnv *env, jclass jcls, jint width, jint height)