#include "copyright.h"

/* $XConsortium: XDrPoint.c,v 11.11 88/09/06 16:06:51 jim Exp $ */
/* Copyright    Massachusetts Institute of Technology    1986	 */

#include "Xlibint.h"

/* precompute the maximum size of batching request allowed */

static int size = SIZEOF (xPolyPointReq) + EPERBATCH * SIZEOF (xPoint);

XDrawPoint (dpy, d, gc, x, y)
  register Display *dpy;
  Drawable d;
  GC gc;
  int x, y;			/* INT16 */
{
  xPoint *point;
#ifdef MUSTCOPY
  xPoint pointdata;
  long len = SIZEOF (xPoint);

  point = &pointdata;
#endif				/* MUSTCOPY */

  LockDisplay (dpy);
  FlushGC (dpy, gc);

  {
    register xPolyPointReq *req = (xPolyPointReq *) dpy->last_req;


    /* if same as previous request, with same drawable, batch requests */
    if (
	 (req->reqType == X_PolyPoint)
	 && (req->drawable == d)
	 && (req->gc == gc->gid)
	 && (req->coordMode == CoordModeOrigin)
	 && ((dpy->bufptr + SIZEOF (xPoint)) <= dpy->bufmax)
	 && (((char *) dpy->bufptr - (char *) req) < size)) {
      req->length += SIZEOF (xPoint) >> 2;
#ifndef MUSTCOPY
      point = (xPoint *) dpy->bufptr;
      dpy->bufptr += SIZEOF (xPoint);
#endif				/* not MUSTCOPY */
    }

    else {
      GetReqExtra (PolyPoint, 4, req);	/* 1 point = 4 bytes */
      req->drawable = d;
      req->gc = gc->gid;
      req->coordMode = CoordModeOrigin;
#ifdef MUSTCOPY
      dpy->bufptr -= SIZEOF (xPoint);
#else
      point = (xPoint *) NEXTPTR (req, xPolyPointReq);
#endif				/* MUSTCOPY */
    }

    point->x = x;
    point->y = y;

#ifdef MUSTCOPY
    Data (dpy, (char *) point, len);
#endif				/* MUSTCOPY */
  }
  UnlockDisplay (dpy);
  SyncHandle ();
}