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;
+}