svn merge ^/branches/released .

1 files changed, 79 insertions, 189 deletions

diff --git a/xorg-server/render/mitrap.c b/xorg-server/render/mitrap.c
index 8bdc8a8d0..37d917451 100644
--- a/xorg-server/render/mitrap.c
+++ b/xorg-server/render/mitrap.c
@@ -1,189 +1,79 @@
-/*
- *
- * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.
- *
- * 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, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Keith Packard makes no
- * representations about the suitability of this software for any purpose.  It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "scrnintstr.h"
-#include "gcstruct.h"
-#include "pixmapstr.h"
-#include "windowstr.h"
-#include "servermd.h"
-#include "mi.h"
-#include "picturestr.h"
-#include "mipict.h"
-
-PicturePtr
-miCreateAlphaPicture (ScreenPtr	    pScreen, 
-		      PicturePtr    pDst,
-		      PictFormatPtr pPictFormat,
-		      CARD16	    width,
-		      CARD16	    height)
-{
-    PixmapPtr	    pPixmap;
-    PicturePtr	    pPicture;
-    GCPtr	    pGC;
-    int		    error;
-    xRectangle	    rect;
-
-    if (width > 32767 || height > 32767)
-	return 0;
-
-    if (!pPictFormat)
-    {
-	if (pDst->polyEdge == PolyEdgeSharp)
-	    pPictFormat = PictureMatchFormat (pScreen, 1, PICT_a1);
-	else
-	    pPictFormat = PictureMatchFormat (pScreen, 8, PICT_a8);
-	if (!pPictFormat)
-	    return 0;
-    }
-
-    pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, 
-					pPictFormat->depth, 0);
-    if (!pPixmap)
-	return 0;
-    pGC = GetScratchGC (pPixmap->drawable.depth, pScreen);
-    if (!pGC)
-    {
-	(*pScreen->DestroyPixmap) (pPixmap);
-	return 0;
-    }
-    ValidateGC (&pPixmap->drawable, pGC);
-    rect.x = 0;
-    rect.y = 0;
-    rect.width = width;
-    rect.height = height;
-    (*pGC->ops->PolyFillRect)(&pPixmap->drawable, pGC, 1, &rect);
-    FreeScratchGC (pGC);
-    pPicture = CreatePicture (0, &pPixmap->drawable, pPictFormat,
-			      0, 0, serverClient, &error);
-    (*pScreen->DestroyPixmap) (pPixmap);
-    return pPicture;
-}
-
-static xFixed
-miLineFixedX (xLineFixed *l, xFixed y, Bool ceil)
-{
-    xFixed	    dx = l->p2.x - l->p1.x;
-    xFixed_32_32    ex = (xFixed_32_32) (y - l->p1.y) * dx;
-    xFixed	    dy = l->p2.y - l->p1.y;
-    if (ceil)
-	ex += (dy - 1);
-    return l->p1.x + (xFixed) (ex / dy);
-}
-
-void
-miTrapezoidBounds (int ntrap, xTrapezoid *traps, BoxPtr box)
-{
-    box->y1 = MAXSHORT;
-    box->y2 = MINSHORT;
-    box->x1 = MAXSHORT;
-    box->x2 = MINSHORT;
-    for (; ntrap; ntrap--, traps++)
-    {
-	INT16 x1, y1, x2, y2;
-
-	if (!xTrapezoidValid(traps))
-	    continue;
-	y1 = xFixedToInt (traps->top);
-	if (y1 < box->y1)
-	    box->y1 = y1;
-	
-	y2 = xFixedToInt (xFixedCeil (traps->bottom));
-	if (y2 > box->y2)
-	    box->y2 = y2;
-	
-	x1 = xFixedToInt (min (miLineFixedX (&traps->left, traps->top, FALSE),
-			       miLineFixedX (&traps->left, traps->bottom, FALSE)));
-	if (x1 < box->x1)
-	    box->x1 = x1;
-	
-	x2 = xFixedToInt (xFixedCeil (max (miLineFixedX (&traps->right, traps->top, TRUE),
-					   miLineFixedX (&traps->right, traps->bottom, TRUE))));
-	if (x2 > box->x2)
-	    box->x2 = x2;
-    }
-}
-
-void
-miTrapezoids (CARD8	    op,
-	      PicturePtr    pSrc,
-	      PicturePtr    pDst,
-	      PictFormatPtr maskFormat,
-	      INT16	    xSrc,
-	      INT16	    ySrc,
-	      int	    ntrap,
-	      xTrapezoid    *traps)
-{
-    ScreenPtr		pScreen = pDst->pDrawable->pScreen;
-    PictureScreenPtr    ps = GetPictureScreen(pScreen);
-
-    /*
-     * Check for solid alpha add
-     */
-    if (op == PictOpAdd && miIsSolidAlpha (pSrc))
-    {
-	for (; ntrap; ntrap--, traps++)
-	    (*ps->RasterizeTrapezoid) (pDst, traps, 0, 0);
-    } 
-    else if (maskFormat)
-    {
-	PicturePtr	pPicture;
-	BoxRec		bounds;
-	INT16		xDst, yDst;
-	INT16		xRel, yRel;
-	
-	xDst = traps[0].left.p1.x >> 16;
-	yDst = traps[0].left.p1.y >> 16;
-
-	miTrapezoidBounds (ntrap, traps, &bounds);
-	if (bounds.y1 >= bounds.y2 || bounds.x1 >= bounds.x2)
-	    return;
-	pPicture = miCreateAlphaPicture (pScreen, pDst, maskFormat,
-					 bounds.x2 - bounds.x1,
-					 bounds.y2 - bounds.y1);
-	if (!pPicture)
-	    return;
-	for (; ntrap; ntrap--, traps++)
-	    (*ps->RasterizeTrapezoid) (pPicture, traps, 
-				       -bounds.x1, -bounds.y1);
-	xRel = bounds.x1 + xSrc - xDst;
-	yRel = bounds.y1 + ySrc - yDst;
-	CompositePicture (op, pSrc, pPicture, pDst,
-			  xRel, yRel, 0, 0, bounds.x1, bounds.y1,
-			  bounds.x2 - bounds.x1,
-			  bounds.y2 - bounds.y1);
-	FreePicture (pPicture, 0);
-    }
-    else
-    {
-	if (pDst->polyEdge == PolyEdgeSharp)
-	    maskFormat = PictureMatchFormat (pScreen, 1, PICT_a1);
-	else
-	    maskFormat = PictureMatchFormat (pScreen, 8, PICT_a8);
-	for (; ntrap; ntrap--, traps++)
-	    miTrapezoids (op, pSrc, pDst, maskFormat, xSrc, ySrc, 1, traps);
-    }
-}
+/*

+ *

+ * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.

+ *

+ * 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, and that the name of Keith Packard not be used in

+ * advertising or publicity pertaining to distribution of the software without

+ * specific, written prior permission.  Keith Packard makes no

+ * representations about the suitability of this software for any purpose.  It

+ * is provided "as is" without express or implied warranty.

+ *

+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

+ * EVENT SHALL KEITH PACKARD 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.

+ */

+

+#ifdef HAVE_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include "scrnintstr.h"

+#include "gcstruct.h"

+#include "pixmapstr.h"

+#include "windowstr.h"

+#include "servermd.h"

+#include "mi.h"

+#include "picturestr.h"

+#include "mipict.h"

+

+static xFixed

+miLineFixedX (xLineFixed *l, xFixed y, Bool ceil)

+{

+    xFixed	    dx = l->p2.x - l->p1.x;

+    xFixed_32_32    ex = (xFixed_32_32) (y - l->p1.y) * dx;

+    xFixed	    dy = l->p2.y - l->p1.y;

+    if (ceil)

+	ex += (dy - 1);

+    return l->p1.x + (xFixed) (ex / dy);

+}

+

+void

+miTrapezoidBounds (int ntrap, xTrapezoid *traps, BoxPtr box)

+{

+    box->y1 = MAXSHORT;

+    box->y2 = MINSHORT;

+    box->x1 = MAXSHORT;

+    box->x2 = MINSHORT;

+    for (; ntrap; ntrap--, traps++)

+    {

+	INT16 x1, y1, x2, y2;

+

+	if (!xTrapezoidValid(traps))

+	    continue;

+	y1 = xFixedToInt (traps->top);

+	if (y1 < box->y1)

+	    box->y1 = y1;

+	

+	y2 = xFixedToInt (xFixedCeil (traps->bottom));

+	if (y2 > box->y2)

+	    box->y2 = y2;

+	

+	x1 = xFixedToInt (min (miLineFixedX (&traps->left, traps->top, FALSE),

+			       miLineFixedX (&traps->left, traps->bottom, FALSE)));

+	if (x1 < box->x1)

+	    box->x1 = x1;

+	

+	x2 = xFixedToInt (xFixedCeil (max (miLineFixedX (&traps->right, traps->top, TRUE),

+					   miLineFixedX (&traps->right, traps->bottom, TRUE))));

+	if (x2 > box->x2)

+	    box->x2 = x2;

+    }

+}