1 files changed, 316 insertions, 0 deletions

diff --git a/afb/afbwindow.c b/afb/afbwindow.c
new file mode 100644
index 000000000..40597c72a
--- /dev/null
+++ b/afb/afbwindow.c
@@ -0,0 +1,316 @@
+/* $XFree86: xc/programs/Xserver/afb/afbwindow.c,v 3.0 1996/08/18 01:45:58 dawes Exp $ */
+/* $XConsortium: afbwindow.c,v 5.14 94/04/17 20:28:36 dpw Exp $ */
+/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
+/***********************************************************
+
+Copyright (c) 1987  X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+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
+X CONSORTIUM 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 X Consortium 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 X Consortium.
+
+
+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 "afb.h"
+#include "mistruct.h"
+#include "regionstr.h"
+#include "maskbits.h"
+
+extern WindowPtr *WindowTable;
+
+Bool
+afbCreateWindow(pWin)
+	register WindowPtr pWin;
+{
+	register afbPrivWin *pPrivWin;
+
+	pPrivWin = (afbPrivWin *)(pWin->devPrivates[afbWindowPrivateIndex].ptr);
+	pPrivWin->pRotatedBorder = NullPixmap;
+	pPrivWin->pRotatedBackground = NullPixmap;
+	pPrivWin->fastBackground = FALSE;
+	pPrivWin->fastBorder = FALSE;
+#ifdef PIXMAP_PER_WINDOW
+	pWin->devPrivates[frameWindowPrivateIndex].ptr =
+			pWin->pDrawable.pScreen->devPrivates[afbScreenPrivateIndex].ptr;
+#endif
+
+	return (TRUE);
+}
+
+/* This always returns true, because Xfree can't fail.  It might be possible
+ * on some devices for Destroy to fail */
+Bool
+afbDestroyWindow(pWin)
+	WindowPtr pWin;
+{
+	register afbPrivWin *pPrivWin;
+
+	pPrivWin = (afbPrivWin *)(pWin->devPrivates[afbWindowPrivateIndex].ptr);
+
+	if (pPrivWin->pRotatedBorder)
+		(*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBorder);
+	if (pPrivWin->pRotatedBackground)
+		(*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBackground);
+
+	return (TRUE);
+}
+
+/*ARGSUSED*/
+Bool
+afbMapWindow(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.)
+   afbChangeWindowAttributes() has already put a copy of the pixmap
+in pPrivWin->pRotated*
+*/
+
+/*ARGSUSED*/
+Bool
+afbPositionWindow(pWin, x, y)
+	WindowPtr pWin;
+	int x, y;
+{
+	register afbPrivWin *pPrivWin;
+	int		reset = 0;
+
+	pPrivWin = (afbPrivWin *)(pWin->devPrivates[afbWindowPrivateIndex].ptr);
+	if (pWin->backgroundState == BackgroundPixmap && pPrivWin->fastBackground) {
+		afbXRotatePixmap(pPrivWin->pRotatedBackground,
+								pWin->drawable.x - pPrivWin->oldRotate.x);
+		afbYRotatePixmap(pPrivWin->pRotatedBackground,
+								pWin->drawable.y - pPrivWin->oldRotate.y);
+		reset = 1;
+	}
+
+	if (!pWin->borderIsPixel && pPrivWin->fastBorder) {
+		while (pWin->backgroundState == ParentRelative)
+			pWin = pWin->parent;
+		afbXRotatePixmap(pPrivWin->pRotatedBorder,
+								pWin->drawable.x - pPrivWin->oldRotate.x);
+		afbYRotatePixmap(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
+afbUnmapWindow(pWindow)
+	WindowPtr pWindow;
+{
+	return (TRUE);
+}
+
+/* UNCLEAN!
+   this code calls the bitblt helper code directly.
+
+   afbCopyWindow copies only the parts of the destination that are
+visible in the source.
+*/
+
+
+void
+afbCopyWindow(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;
+	}
+
+	afbDoBitblt((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot, GXcopy, prgnDst,
+					 pptSrc, ~0);
+	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
+afbChangeWindowAttributes(pWin, mask)
+	register WindowPtr pWin;
+	register unsigned long mask;
+{
+	register unsigned long index;
+	register afbPrivWin *pPrivWin;
+	WindowPtr		pBgWin;
+
+	pPrivWin = (afbPrivWin *)(pWin->devPrivates[afbWindowPrivateIndex].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)) {
+		afbXRotatePixmap(pPrivWin->pRotatedBorder,
+								pWin->drawable.x - pPrivWin->oldRotate.x);
+		afbYRotatePixmap(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);
+						afbXRotatePixmap(pPrivWin->pRotatedBorder,
+												pBgWin->drawable.x - pPrivWin->oldRotate.x);
+						afbYRotatePixmap(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))) {
+					afbCopyRotatePixmap(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);
+					afbCopyRotatePixmap(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);
+}