R6.6 is the Xorg base-lineXORG-MAIN

1 files changed, 338 insertions, 0 deletions

diff --git a/mfb/mfbwindow.c b/mfb/mfbwindow.c
new file mode 100644
index 000000000..8107b9807
--- /dev/null
+++ b/mfb/mfbwindow.c
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+/* $Xorg: mfbwindow.c,v 1.4 2001/02/09 02:05:19 xorgcvs Exp $ */
+/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
+/***********************************************************
+
+Copyright 1987, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in 
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.  
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#include "X.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "mfb.h"
+#include "mistruct.h"
+#include "regionstr.h"
+#include "maskbits.h"
+
+extern WindowPtr *WindowTable;
+
+Bool
+mfbCreateWindow(pWin)
+    register WindowPtr pWin;
+{
+    register mfbPrivWin *pPrivWin;
+
+    pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr);
+    pPrivWin->pRotatedBorder = NullPixmap;
+    pPrivWin->pRotatedBackground = NullPixmap;
+    pPrivWin->fastBackground = FALSE;
+    pPrivWin->fastBorder = FALSE;
+
+    return (TRUE);
+}
+
+/* This always returns true, because Xfree can't fail.  It might be possible
+ * on some devices for Destroy to fail */
+Bool 
+mfbDestroyWindow(pWin)
+    WindowPtr pWin;
+{
+    register mfbPrivWin *pPrivWin;
+
+    pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr);
+
+    if (pPrivWin->pRotatedBorder)
+	(*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBorder);
+    if (pPrivWin->pRotatedBackground)
+	(*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBackground);
+    return (TRUE);
+}
+
+/*ARGSUSED*/
+Bool mfbMapWindow(pWindow)
+    WindowPtr pWindow;
+{
+    return (TRUE);
+}
+
+/* (x, y) is the upper left corner of the window on the screen 
+   do we really need to pass this?  (is it a;ready in pWin->absCorner?)
+   we only do the rotation for pixmaps that are 32 bits wide (padded
+or otherwise.)
+   mfbChangeWindowAttributes() has already put a copy of the pixmap
+in pPrivWin->pRotated*
+*/
+
+/*ARGSUSED*/
+Bool 
+mfbPositionWindow(pWin, x, y)
+    register WindowPtr pWin;
+    int x, y;
+{
+    register mfbPrivWin *pPrivWin;
+    int	reset = 0;
+
+    pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr);
+    if (pWin->backgroundState == BackgroundPixmap && pPrivWin->fastBackground)
+    {
+	mfbXRotatePixmap(pPrivWin->pRotatedBackground,
+			 pWin->drawable.x - pPrivWin->oldRotate.x);
+	mfbYRotatePixmap(pPrivWin->pRotatedBackground,
+			 pWin->drawable.y - pPrivWin->oldRotate.y);
+	reset = 1;
+    }
+
+    if (!pWin->borderIsPixel && pPrivWin->fastBorder)
+    {
+	while (pWin->backgroundState == ParentRelative)
+	    pWin = pWin->parent;
+	mfbXRotatePixmap(pPrivWin->pRotatedBorder,
+			 pWin->drawable.x - pPrivWin->oldRotate.x);
+	mfbYRotatePixmap(pPrivWin->pRotatedBorder,
+			 pWin->drawable.y - pPrivWin->oldRotate.y);
+	reset = 1;
+    }
+    if (reset)
+    {
+	pPrivWin->oldRotate.x = pWin->drawable.x;
+	pPrivWin->oldRotate.y = pWin->drawable.y;
+    }
+
+    /* This is the "wrong" fix to the right problem, but it doesn't really
+     * cost very much.  When the window is moved, we need to invalidate any
+     * RotatedPixmap that exists in any GC currently validated against this
+     * window.
+     */
+    pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+
+    /* Again, we have no failure modes indicated by any of the routines
+     * we've called, so we have to assume it worked */
+    return (TRUE);
+}
+
+/*ARGSUSED*/
+Bool 
+mfbUnmapWindow(pWindow)
+    WindowPtr pWindow;
+{
+    return (TRUE);
+}
+
+/* UNCLEAN!
+   this code calls the bitblt helper code directly.
+
+   mfbCopyWindow copies only the parts of the destination that are
+visible in the source.
+*/
+
+
+void 
+mfbCopyWindow(pWin, ptOldOrg, prgnSrc)
+    WindowPtr pWin;
+    DDXPointRec ptOldOrg;
+    RegionPtr prgnSrc;
+{
+    DDXPointPtr pptSrc;
+    register DDXPointPtr ppt;
+    RegionPtr prgnDst;
+    register BoxPtr pbox;
+    register int dx, dy;
+    register int i, nbox;
+    WindowPtr pwinRoot;
+
+    pwinRoot = WindowTable[pWin->drawable.pScreen->myNum];
+
+    prgnDst = REGION_CREATE(pWin->drawable.pScreen, NULL, 1);
+
+    dx = ptOldOrg.x - pWin->drawable.x;
+    dy = ptOldOrg.y - pWin->drawable.y;
+    REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
+    REGION_INTERSECT(pWin->drawable.pScreen, prgnDst, &pWin->borderClip,
+		     prgnSrc);
+
+    pbox = REGION_RECTS(prgnDst);
+    nbox = REGION_NUM_RECTS(prgnDst);
+    if(!(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec))))
+	return;
+    ppt = pptSrc;
+
+    for (i=nbox; --i >= 0; ppt++, pbox++)
+    {
+	ppt->x = pbox->x1 + dx;
+	ppt->y = pbox->y1 + dy;
+    }
+
+    mfbDoBitblt((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot,
+		GXcopy, prgnDst, pptSrc);
+    DEALLOCATE_LOCAL(pptSrc);
+    REGION_DESTROY(pWin->drawable.pScreen, prgnDst);
+}
+
+
+
+/* swap in correct PaintWindow* routine.  If we can use a fast output
+routine (i.e. the pixmap is paddable to 32 bits), also pre-rotate a copy
+of it in devPrivate.
+*/
+Bool
+mfbChangeWindowAttributes(pWin, mask)
+    register WindowPtr pWin;
+    register unsigned long mask;
+{
+    register unsigned long index;
+    register mfbPrivWin *pPrivWin;
+    WindowPtr	pBgWin;
+
+    pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr);
+    /*
+     * When background state changes from ParentRelative and
+     * we had previously rotated the fast border pixmap to match
+     * the parent relative origin, rerotate to match window
+     */
+    if (mask & (CWBackPixmap | CWBackPixel) &&
+	pWin->backgroundState != ParentRelative &&
+	pPrivWin->fastBorder &&
+	(pPrivWin->oldRotate.x != pWin->drawable.x ||
+	 pPrivWin->oldRotate.y != pWin->drawable.y))
+    {
+	mfbXRotatePixmap(pPrivWin->pRotatedBorder,
+		      pWin->drawable.x - pPrivWin->oldRotate.x);
+	mfbYRotatePixmap(pPrivWin->pRotatedBorder,
+		      pWin->drawable.y - pPrivWin->oldRotate.y);
+	pPrivWin->oldRotate.x = pWin->drawable.x;
+	pPrivWin->oldRotate.y = pWin->drawable.y;
+    }
+    while(mask)
+    {
+	index = lowbit (mask);
+	mask &= ~index;
+	switch(index)
+	{
+	  case CWBackPixmap:
+	      if (pWin->backgroundState == None)
+	      {
+		  pPrivWin->fastBackground = FALSE;
+	      }
+	      else if (pWin->backgroundState == ParentRelative)
+	      {
+		  pPrivWin->fastBackground = FALSE;
+		  /* Rotate border to match parent origin */
+		  if (pPrivWin->pRotatedBorder) {
+		      for (pBgWin = pWin->parent;
+			   pBgWin->backgroundState == ParentRelative;
+			   pBgWin = pBgWin->parent);
+		      mfbXRotatePixmap(pPrivWin->pRotatedBorder,
+				    pBgWin->drawable.x - pPrivWin->oldRotate.x);
+		      mfbYRotatePixmap(pPrivWin->pRotatedBorder,
+				    pBgWin->drawable.y - pPrivWin->oldRotate.y);
+		      pPrivWin->oldRotate.x = pBgWin->drawable.x;
+		      pPrivWin->oldRotate.y = pBgWin->drawable.y;
+		  }
+	      }
+	      else if ((pWin->background.pixmap->drawable.width <= PPW) &&
+		       !(pWin->background.pixmap->drawable.width &
+			 (pWin->background.pixmap->drawable.width - 1)))
+	      {
+		  mfbCopyRotatePixmap(pWin->background.pixmap,
+				      &pPrivWin->pRotatedBackground,
+				      pWin->drawable.x,
+				      pWin->drawable.y);
+		  if (pPrivWin->pRotatedBackground)
+		  {
+		      pPrivWin->fastBackground = TRUE;
+		      pPrivWin->oldRotate.x = pWin->drawable.x;
+		      pPrivWin->oldRotate.y = pWin->drawable.y;
+		  }
+		  else
+		  {
+		      pPrivWin->fastBackground = FALSE;
+		  }
+	      }
+	      else
+	      {
+		  pPrivWin->fastBackground = FALSE;
+	      }
+	      break;
+
+	  case CWBackPixel:
+	      pPrivWin->fastBackground = FALSE;
+	      break;
+
+	  case CWBorderPixmap:
+	      if ((pWin->border.pixmap->drawable.width <= PPW) &&
+		  !(pWin->border.pixmap->drawable.width &
+		    (pWin->border.pixmap->drawable.width - 1)))
+	      {
+		  for (pBgWin = pWin;
+		       pBgWin->backgroundState == ParentRelative;
+		       pBgWin = pBgWin->parent);
+		  mfbCopyRotatePixmap(pWin->border.pixmap,
+				      &pPrivWin->pRotatedBorder,
+				      pBgWin->drawable.x,
+				      pBgWin->drawable.y);
+		  if (pPrivWin->pRotatedBorder)
+		  {
+		      pPrivWin->fastBorder = TRUE;
+		      pPrivWin->oldRotate.x = pBgWin->drawable.x;
+		      pPrivWin->oldRotate.y = pBgWin->drawable.y;
+		  }
+		  else
+		  {
+		      pPrivWin->fastBorder = FALSE;
+		  }
+	      }
+	      else
+	      {
+		  pPrivWin->fastBorder = FALSE;
+	      }
+	      break;
+	    case CWBorderPixel:
+	      pPrivWin->fastBorder = FALSE;
+	      break;
+	}
+    }
+    /* Again, we have no failure modes indicated by any of the routines
+     * we've called, so we have to assume it worked */
+    return (TRUE);
+}