xserver git update 11/6/2010

1 files changed, 313 insertions, 313 deletions

diff --git a/xorg-server/miext/shadow/shrotate.c b/xorg-server/miext/shadow/shrotate.c
index 673cd76b5..13e9682ba 100644
--- a/xorg-server/miext/shadow/shrotate.c
+++ b/xorg-server/miext/shadow/shrotate.c
@@ -1,313 +1,313 @@
-/*
- *
- * Copyright © 2001 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    <X11/X.h>
-#include    "scrnintstr.h"
-#include    "windowstr.h"
-#include    <X11/fonts/font.h>
-#include    "dixfontstr.h"
-#include    <X11/fonts/fontstruct.h>
-#include    "mi.h"
-#include    "regionstr.h"
-#include    "globals.h"
-#include    "gcstruct.h"
-#include    "shadow.h"
-#include    "fb.h"
-
-/*
- * These indicate which way the source (shadow) is scanned when
- * walking the screen in a particular direction
- */
-
-#define LEFT_TO_RIGHT	1
-#define RIGHT_TO_LEFT	-1
-#define TOP_TO_BOTTOM	2
-#define BOTTOM_TO_TOP	-2
-
-void
-shadowUpdateRotatePacked (ScreenPtr	pScreen,
-			  shadowBufPtr	pBuf)
-{
-    RegionPtr	damage = shadowDamage (pBuf);
-    PixmapPtr	pShadow = pBuf->pPixmap;
-    int		nbox = REGION_NUM_RECTS (damage);
-    BoxPtr	pbox = REGION_RECTS (damage);
-    FbBits	*shaBits;
-    FbStride	shaStride;
-    int		shaBpp;
-    int		shaXoff, shaYoff;
-    int		box_x1, box_x2, box_y1, box_y2;
-    int		sha_x1 = 0, sha_y1 = 0;
-    int		scr_x1 = 0, scr_x2 = 0, scr_y1 = 0, scr_y2 = 0, scr_w, scr_h;
-    int		scr_x, scr_y;
-    int		w;
-    int		pixelsPerBits;
-    int		pixelsMask;
-    FbStride	shaStepOverY = 0, shaStepDownY = 0;
-    FbStride	shaStepOverX = 0, shaStepDownX = 0;
-    FbBits	*shaLine, *sha;
-    int		shaHeight = pShadow->drawable.height;
-    int		shaWidth = pShadow->drawable.width;
-    FbBits	shaMask;
-    int		shaFirstShift, shaShift;
-    int		o_x_dir;
-    int		o_y_dir;
-    int		x_dir;
-    int		y_dir;
-
-    fbGetDrawable (&pShadow->drawable, shaBits, shaStride, shaBpp, shaXoff, shaYoff);
-    pixelsPerBits = (sizeof (FbBits) * 8) / shaBpp;
-    pixelsMask = ~(pixelsPerBits - 1);
-    shaMask = FbBitsMask (FB_UNIT-shaBpp, shaBpp);
-    /*
-     * Compute rotation related constants to walk the shadow
-     */
-    o_x_dir = LEFT_TO_RIGHT;
-    o_y_dir = TOP_TO_BOTTOM;
-    if (pBuf->randr & SHADOW_REFLECT_X)
-	o_x_dir = -o_x_dir;
-    if (pBuf->randr & SHADOW_REFLECT_Y)
-	o_y_dir = -o_y_dir;
-    switch (pBuf->randr & (SHADOW_ROTATE_ALL)) {
-    case SHADOW_ROTATE_0:	/* upper left shadow -> upper left screen */
-    default:
-	x_dir = o_x_dir;
-	y_dir = o_y_dir;
-	break;
-    case SHADOW_ROTATE_90:    	/* upper right shadow -> upper left screen */
-	x_dir = o_y_dir;
-	y_dir = -o_x_dir;
-	break;
-    case SHADOW_ROTATE_180:	/* lower right shadow -> upper left screen */
-	x_dir = -o_x_dir;
-	y_dir = -o_y_dir;
-	break;
-    case SHADOW_ROTATE_270:	/* lower left shadow -> upper left screen */
-	x_dir = -o_y_dir;
-	y_dir = o_x_dir;
-	break;
-    }
-    switch (x_dir) {
-    case LEFT_TO_RIGHT:
-	shaStepOverX = shaBpp;
-	shaStepOverY = 0;
-	break;
-    case TOP_TO_BOTTOM:
-	shaStepOverX = 0;
-	shaStepOverY = shaStride;
-	break;
-    case RIGHT_TO_LEFT:
-	shaStepOverX = -shaBpp;
-	shaStepOverY = 0;
-	break;
-    case BOTTOM_TO_TOP:
-	shaStepOverX = 0;
-	shaStepOverY = -shaStride;
-	break;
-    }
-    switch (y_dir) {
-    case TOP_TO_BOTTOM:
-	shaStepDownX = 0;
-	shaStepDownY = shaStride;
-	break;
-    case RIGHT_TO_LEFT:
-	shaStepDownX = -shaBpp;
-	shaStepDownY = 0;
-	break;
-    case BOTTOM_TO_TOP:
-	shaStepDownX = 0;
-	shaStepDownY = -shaStride;
-	break;
-    case LEFT_TO_RIGHT:
-	shaStepDownX = shaBpp;
-	shaStepDownY = 0;
-	break;
-    }
-    
-    while (nbox--)
-    {
-        box_x1 = pbox->x1;
-        box_y1 = pbox->y1;
-        box_x2 = pbox->x2;
-        box_y2 = pbox->y2;
-        pbox++;
-
-	/*
-	 * Compute screen and shadow locations for this box
-	 */
-	switch (x_dir) {
-	case LEFT_TO_RIGHT:
-	    scr_x1 = box_x1 & pixelsMask;
-	    scr_x2 = (box_x2 + pixelsPerBits - 1) & pixelsMask;
-	    
-	    sha_x1 = scr_x1;
-	    break;
-	case TOP_TO_BOTTOM:
-	    scr_x1 = box_y1 & pixelsMask;
-	    scr_x2 = (box_y2 + pixelsPerBits - 1) & pixelsMask;
-
-	    sha_y1 = scr_x1;
-	    break;
-	case RIGHT_TO_LEFT:
-	    scr_x1 = (shaWidth - box_x2) & pixelsMask;
-	    scr_x2 = (shaWidth - box_x1 + pixelsPerBits - 1) & pixelsMask;
-
-	    sha_x1 = (shaWidth - scr_x1 - 1);
-	    break;
-	case BOTTOM_TO_TOP:
-	    scr_x1 = (shaHeight - box_y2) & pixelsMask;
-	    scr_x2 = (shaHeight - box_y1 + pixelsPerBits - 1) & pixelsMask;
-	    
-	    sha_y1 = (shaHeight - scr_x1 - 1);
-	    break;
-	}
-	switch (y_dir) {
-	case TOP_TO_BOTTOM:
-	    scr_y1 = box_y1;
-	    scr_y2 = box_y2;
-
-	    sha_y1 = scr_y1;
-	    break;
-	case RIGHT_TO_LEFT:
-	    scr_y1 = (shaWidth - box_x2);
-	    scr_y2 = (shaWidth - box_x1);
-
-	    sha_x1 = box_x2 - 1;
-	    break;
-	case BOTTOM_TO_TOP:
-	    scr_y1 = shaHeight - box_y2;
-	    scr_y2 = shaHeight - box_y1;
-	    
-	    sha_y1 = box_y2 - 1;
-	    break;
-	case LEFT_TO_RIGHT:
-	    scr_y1 = box_x1;
-	    scr_y2 = box_x2;
-
-	    sha_x1 = box_x1;
-	    break;
-	}
-	scr_w = ((scr_x2 - scr_x1) * shaBpp) >> FB_SHIFT;
-	scr_h = scr_y2 - scr_y1;
-	scr_y = scr_y1;
-
-	/* shift amount for first pixel on screen */ 
-	shaFirstShift = FB_UNIT - ((sha_x1 * shaBpp) & FB_MASK) - shaBpp;
-	
-	/* pointer to shadow data first placed on screen */
-	shaLine = (shaBits + 
-		   sha_y1 * shaStride + 
-		   ((sha_x1 * shaBpp) >> FB_SHIFT));
-
-	/*
-	 * Copy the bits, always write across the physical frame buffer
-	 * to take advantage of write combining.
-	 */
-	while (scr_h--)
-	{
-	    int	    p;
-	    FbBits  bits;
-	    FbBits  *win;
-	    int	    i;
-	    CARD32  winSize;
-	    
-	    sha = shaLine;
-	    shaShift = shaFirstShift;
-	    w = scr_w;
-	    scr_x = scr_x1 * shaBpp >> FB_SHIFT;
-
-	    while (w)
-	    {
-		/*
-		 * Map some of this line
-		 */
-		win = (FbBits *) (*pBuf->window) (pScreen,
-						  scr_y,
-						  scr_x << 2,
-						  SHADOW_WINDOW_WRITE,
-						  &winSize,
-						  pBuf->closure);
-		i = (winSize >> 2);
-		if (i > w)
-		    i = w;
-		w -= i;
-		scr_x += i;
-		/*
-		 * Copy the portion of the line mapped
-		 */
-		while (i--)
-		{
-		    bits = 0;
-		    p = pixelsPerBits;
-		    /*
-		     * Build one word of output from multiple inputs
-		     * 
-		     * Note that for 90/270 rotations, this will walk
-		     * down the shadow hitting each scanline once.
-		     * This is probably not very efficient.
-		     */
-		    while (p--)
-		    {
-			bits = FbScrLeft(bits, shaBpp);
-			bits |= FbScrRight (*sha, shaShift) & shaMask;
-
-			shaShift -= shaStepOverX;
-			if (shaShift >= FB_UNIT)
-			{
-			    shaShift -= FB_UNIT;
-			    sha--;
-			}
-			else if (shaShift < 0)
-			{
-			    shaShift += FB_UNIT;
-			    sha++;
-			}
-			sha += shaStepOverY;
-		    }
-		    *win++ = bits;
-		}
-	    }
-	    scr_y++;
-	    shaFirstShift -= shaStepDownX;
-	    if (shaFirstShift >= FB_UNIT)
-	    {
-		shaFirstShift -= FB_UNIT;
-		shaLine--;
-	    }
-	    else if (shaFirstShift < 0)
-	    {
-		shaFirstShift += FB_UNIT;
-		shaLine++;
-	    }
-	    shaLine += shaStepDownY;
-	}
-    }
-}
-
-shadowUpdateProc shadowUpdateRotatePackedWeak(void) {
-    return shadowUpdateRotatePacked;
-}
+/*

+ *

+ * Copyright © 2001 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    <X11/X.h>

+#include    "scrnintstr.h"

+#include    "windowstr.h"

+#include    <X11/fonts/font.h>

+#include    "dixfontstr.h"

+#include    <X11/fonts/fontstruct.h>

+#include    "mi.h"

+#include    "regionstr.h"

+#include    "globals.h"

+#include    "gcstruct.h"

+#include    "shadow.h"

+#include    "fb.h"

+

+/*

+ * These indicate which way the source (shadow) is scanned when

+ * walking the screen in a particular direction

+ */

+

+#define LEFT_TO_RIGHT	1

+#define RIGHT_TO_LEFT	-1

+#define TOP_TO_BOTTOM	2

+#define BOTTOM_TO_TOP	-2

+

+void

+shadowUpdateRotatePacked (ScreenPtr	pScreen,

+			  shadowBufPtr	pBuf)

+{

+    RegionPtr	damage = shadowDamage (pBuf);

+    PixmapPtr	pShadow = pBuf->pPixmap;

+    int		nbox = RegionNumRects (damage);

+    BoxPtr	pbox = RegionRects (damage);

+    FbBits	*shaBits;

+    FbStride	shaStride;

+    int		shaBpp;

+    int		shaXoff, shaYoff;

+    int		box_x1, box_x2, box_y1, box_y2;

+    int		sha_x1 = 0, sha_y1 = 0;

+    int		scr_x1 = 0, scr_x2 = 0, scr_y1 = 0, scr_y2 = 0, scr_w, scr_h;

+    int		scr_x, scr_y;

+    int		w;

+    int		pixelsPerBits;

+    int		pixelsMask;

+    FbStride	shaStepOverY = 0, shaStepDownY = 0;

+    FbStride	shaStepOverX = 0, shaStepDownX = 0;

+    FbBits	*shaLine, *sha;

+    int		shaHeight = pShadow->drawable.height;

+    int		shaWidth = pShadow->drawable.width;

+    FbBits	shaMask;

+    int		shaFirstShift, shaShift;

+    int		o_x_dir;

+    int		o_y_dir;

+    int		x_dir;

+    int		y_dir;

+

+    fbGetDrawable (&pShadow->drawable, shaBits, shaStride, shaBpp, shaXoff, shaYoff);

+    pixelsPerBits = (sizeof (FbBits) * 8) / shaBpp;

+    pixelsMask = ~(pixelsPerBits - 1);

+    shaMask = FbBitsMask (FB_UNIT-shaBpp, shaBpp);

+    /*

+     * Compute rotation related constants to walk the shadow

+     */

+    o_x_dir = LEFT_TO_RIGHT;

+    o_y_dir = TOP_TO_BOTTOM;

+    if (pBuf->randr & SHADOW_REFLECT_X)

+	o_x_dir = -o_x_dir;

+    if (pBuf->randr & SHADOW_REFLECT_Y)

+	o_y_dir = -o_y_dir;

+    switch (pBuf->randr & (SHADOW_ROTATE_ALL)) {

+    case SHADOW_ROTATE_0:	/* upper left shadow -> upper left screen */

+    default:

+	x_dir = o_x_dir;

+	y_dir = o_y_dir;

+	break;

+    case SHADOW_ROTATE_90:    	/* upper right shadow -> upper left screen */

+	x_dir = o_y_dir;

+	y_dir = -o_x_dir;

+	break;

+    case SHADOW_ROTATE_180:	/* lower right shadow -> upper left screen */

+	x_dir = -o_x_dir;

+	y_dir = -o_y_dir;

+	break;

+    case SHADOW_ROTATE_270:	/* lower left shadow -> upper left screen */

+	x_dir = -o_y_dir;

+	y_dir = o_x_dir;

+	break;

+    }

+    switch (x_dir) {

+    case LEFT_TO_RIGHT:

+	shaStepOverX = shaBpp;

+	shaStepOverY = 0;

+	break;

+    case TOP_TO_BOTTOM:

+	shaStepOverX = 0;

+	shaStepOverY = shaStride;

+	break;

+    case RIGHT_TO_LEFT:

+	shaStepOverX = -shaBpp;

+	shaStepOverY = 0;

+	break;

+    case BOTTOM_TO_TOP:

+	shaStepOverX = 0;

+	shaStepOverY = -shaStride;

+	break;

+    }

+    switch (y_dir) {

+    case TOP_TO_BOTTOM:

+	shaStepDownX = 0;

+	shaStepDownY = shaStride;

+	break;

+    case RIGHT_TO_LEFT:

+	shaStepDownX = -shaBpp;

+	shaStepDownY = 0;

+	break;

+    case BOTTOM_TO_TOP:

+	shaStepDownX = 0;

+	shaStepDownY = -shaStride;

+	break;

+    case LEFT_TO_RIGHT:

+	shaStepDownX = shaBpp;

+	shaStepDownY = 0;

+	break;

+    }

+    

+    while (nbox--)

+    {

+        box_x1 = pbox->x1;

+        box_y1 = pbox->y1;

+        box_x2 = pbox->x2;

+        box_y2 = pbox->y2;

+        pbox++;

+

+	/*

+	 * Compute screen and shadow locations for this box

+	 */

+	switch (x_dir) {

+	case LEFT_TO_RIGHT:

+	    scr_x1 = box_x1 & pixelsMask;

+	    scr_x2 = (box_x2 + pixelsPerBits - 1) & pixelsMask;

+	    

+	    sha_x1 = scr_x1;

+	    break;

+	case TOP_TO_BOTTOM:

+	    scr_x1 = box_y1 & pixelsMask;

+	    scr_x2 = (box_y2 + pixelsPerBits - 1) & pixelsMask;

+

+	    sha_y1 = scr_x1;

+	    break;

+	case RIGHT_TO_LEFT:

+	    scr_x1 = (shaWidth - box_x2) & pixelsMask;

+	    scr_x2 = (shaWidth - box_x1 + pixelsPerBits - 1) & pixelsMask;

+

+	    sha_x1 = (shaWidth - scr_x1 - 1);

+	    break;

+	case BOTTOM_TO_TOP:

+	    scr_x1 = (shaHeight - box_y2) & pixelsMask;

+	    scr_x2 = (shaHeight - box_y1 + pixelsPerBits - 1) & pixelsMask;

+	    

+	    sha_y1 = (shaHeight - scr_x1 - 1);

+	    break;

+	}

+	switch (y_dir) {

+	case TOP_TO_BOTTOM:

+	    scr_y1 = box_y1;

+	    scr_y2 = box_y2;

+

+	    sha_y1 = scr_y1;

+	    break;

+	case RIGHT_TO_LEFT:

+	    scr_y1 = (shaWidth - box_x2);

+	    scr_y2 = (shaWidth - box_x1);

+

+	    sha_x1 = box_x2 - 1;

+	    break;

+	case BOTTOM_TO_TOP:

+	    scr_y1 = shaHeight - box_y2;

+	    scr_y2 = shaHeight - box_y1;

+	    

+	    sha_y1 = box_y2 - 1;

+	    break;

+	case LEFT_TO_RIGHT:

+	    scr_y1 = box_x1;

+	    scr_y2 = box_x2;

+

+	    sha_x1 = box_x1;

+	    break;

+	}

+	scr_w = ((scr_x2 - scr_x1) * shaBpp) >> FB_SHIFT;

+	scr_h = scr_y2 - scr_y1;

+	scr_y = scr_y1;

+

+	/* shift amount for first pixel on screen */ 

+	shaFirstShift = FB_UNIT - ((sha_x1 * shaBpp) & FB_MASK) - shaBpp;

+	

+	/* pointer to shadow data first placed on screen */

+	shaLine = (shaBits + 

+		   sha_y1 * shaStride + 

+		   ((sha_x1 * shaBpp) >> FB_SHIFT));

+

+	/*

+	 * Copy the bits, always write across the physical frame buffer

+	 * to take advantage of write combining.

+	 */

+	while (scr_h--)

+	{

+	    int	    p;

+	    FbBits  bits;

+	    FbBits  *win;

+	    int	    i;

+	    CARD32  winSize;

+	    

+	    sha = shaLine;

+	    shaShift = shaFirstShift;

+	    w = scr_w;

+	    scr_x = scr_x1 * shaBpp >> FB_SHIFT;

+

+	    while (w)

+	    {

+		/*

+		 * Map some of this line

+		 */

+		win = (FbBits *) (*pBuf->window) (pScreen,

+						  scr_y,

+						  scr_x << 2,

+						  SHADOW_WINDOW_WRITE,

+						  &winSize,

+						  pBuf->closure);

+		i = (winSize >> 2);

+		if (i > w)

+		    i = w;

+		w -= i;

+		scr_x += i;

+		/*

+		 * Copy the portion of the line mapped

+		 */

+		while (i--)

+		{

+		    bits = 0;

+		    p = pixelsPerBits;

+		    /*

+		     * Build one word of output from multiple inputs

+		     * 

+		     * Note that for 90/270 rotations, this will walk

+		     * down the shadow hitting each scanline once.

+		     * This is probably not very efficient.

+		     */

+		    while (p--)

+		    {

+			bits = FbScrLeft(bits, shaBpp);

+			bits |= FbScrRight (*sha, shaShift) & shaMask;

+

+			shaShift -= shaStepOverX;

+			if (shaShift >= FB_UNIT)

+			{

+			    shaShift -= FB_UNIT;

+			    sha--;

+			}

+			else if (shaShift < 0)

+			{

+			    shaShift += FB_UNIT;

+			    sha++;

+			}

+			sha += shaStepOverY;

+		    }

+		    *win++ = bits;

+		}

+	    }

+	    scr_y++;

+	    shaFirstShift -= shaStepDownX;

+	    if (shaFirstShift >= FB_UNIT)

+	    {

+		shaFirstShift -= FB_UNIT;

+		shaLine--;

+	    }

+	    else if (shaFirstShift < 0)

+	    {

+		shaFirstShift += FB_UNIT;

+		shaLine++;

+	    }

+	    shaLine += shaStepDownY;

+	}

+    }

+}

+

+shadowUpdateProc shadowUpdateRotatePackedWeak(void) {

+    return shadowUpdateRotatePacked;

+}