xserver git update 11/5/2010

1 files changed, 672 insertions, 672 deletions

diff --git a/xorg-server/hw/xfree86/modes/xf86Cursors.c b/xorg-server/hw/xfree86/modes/xf86Cursors.c
index f90ecc227..3e765e6ff 100644
--- a/xorg-server/hw/xfree86/modes/xf86Cursors.c
+++ b/xorg-server/hw/xfree86/modes/xf86Cursors.c
@@ -1,672 +1,672 @@
-/*
- * Copyright © 2007 Keith Packard
- *
- * 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 the copyright holders not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission.  The copyright holders make no representations
- * about the suitability of this software for any purpose.  It is provided "as
- * is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS 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_XORG_CONFIG_H
-#include <xorg-config.h>
-#else
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#endif
-
-#include <stddef.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "xf86.h"
-#include "xf86DDC.h"
-#include "xf86Crtc.h"
-#include "xf86Modes.h"
-#include "xf86RandR12.h"
-#include "xf86CursorPriv.h"
-#include "X11/extensions/render.h"
-#include "X11/extensions/dpmsconst.h"
-#include "X11/Xatom.h"
-#include "picturestr.h"
-#include "cursorstr.h"
-#include "inputstr.h"
-
-/*
- * Given a screen coordinate, rotate back to a cursor source coordinate
- */
-static void
-xf86_crtc_rotate_coord (Rotation    rotation,
-			int	    width,
-			int	    height,
-			int	    x_dst,
-			int	    y_dst,
-			int	    *x_src,
-			int	    *y_src)
-{
-    int t;
-    
-    switch (rotation & 0xf) {
-    case RR_Rotate_0:
-	break;
-    case RR_Rotate_90:
-	t = x_dst;
-	x_dst = height - y_dst - 1;
-	y_dst = t;
-	break;
-    case RR_Rotate_180:
-	x_dst = width - x_dst - 1;
-	y_dst = height - y_dst - 1;
-	break;
-    case RR_Rotate_270:
-	t = x_dst;
-	x_dst = y_dst;
-	y_dst = width - t - 1;
-	break;
-    }
-    if (rotation & RR_Reflect_X)
-	x_dst = width - x_dst - 1;
-    if (rotation & RR_Reflect_Y)
-	y_dst = height - y_dst - 1;
-    *x_src = x_dst;
-    *y_src = y_dst;
-}
-
-/*
- * Given a cursor source  coordinate, rotate to a screen coordinate
- */
-static void
-xf86_crtc_rotate_coord_back (Rotation    rotation,
-			     int	    width,
-			     int	    height,
-			     int	    x_dst,
-			     int	    y_dst,
-			     int	    *x_src,
-			     int	    *y_src)
-{
-    int t;
-    
-    if (rotation & RR_Reflect_X)
-	x_dst = width - x_dst - 1;
-    if (rotation & RR_Reflect_Y)
-	y_dst = height - y_dst - 1;
-
-    switch (rotation & 0xf) {
-    case RR_Rotate_0:
-	break;
-    case RR_Rotate_90:
-	t = x_dst;
-	x_dst = y_dst;
-	y_dst = width - t - 1;
-	break;
-    case RR_Rotate_180:
-	x_dst = width - x_dst - 1;
-	y_dst = height - y_dst - 1;
-	break;
-    case RR_Rotate_270:
-	t = x_dst;
-	x_dst = height - y_dst - 1;
-	y_dst = t;
-	break;
-    }
-    *x_src = x_dst;
-    *y_src = y_dst;
-}
-
-/*
- * Convert an x coordinate to a position within the cursor bitmap
- */
-static int
-cursor_bitpos (int flags, int x, Bool mask)
-{
-    if (flags & HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK)
-	mask = !mask;
-    if (flags & HARDWARE_CURSOR_NIBBLE_SWAPPED)
-	x = (x & ~3) | (3 - (x & 3));
-    if (((flags & HARDWARE_CURSOR_BIT_ORDER_MSBFIRST) == 0) ==
-	(X_BYTE_ORDER == X_BIG_ENDIAN))
-	x = (x & ~7) | (7 - (x & 7));
-    if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1)
-	x = (x << 1) + mask;
-    else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_8)
-	x = ((x & ~7) << 1) | (mask << 3) | (x & 7);
-    else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_16)
-	x = ((x & ~15) << 1) | (mask << 4) | (x & 15);
-    else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32)
-	x = ((x & ~31) << 1) | (mask << 5) | (x & 31);
-    else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64)
-	x = ((x & ~63) << 1) | (mask << 6) | (x & 63);
-    return x;
-}
-
-/*
- * Fetch one bit from a cursor bitmap
- */
-static CARD8
-get_bit (CARD8 *image, int stride, int flags, int x, int y, Bool mask)
-{
-    x = cursor_bitpos (flags, x, mask);
-    image += y * stride;
-    return (image[(x >> 3)] >> (x & 7)) & 1;
-}
-
-/*
- * Set one bit in a cursor bitmap
- */
-static void
-set_bit (CARD8 *image, int stride, int flags, int x, int y, Bool mask)
-{
-    x = cursor_bitpos (flags, x, mask);
-    image += y * stride;
-    image[(x >> 3)] |= 1 << (x & 7);
-}
-    
-/*
- * Load a two color cursor into a driver that supports only ARGB cursors
- */
-static void
-xf86_crtc_convert_cursor_to_argb (xf86CrtcPtr crtc, unsigned char *src)
-{
-    ScrnInfoPtr		scrn = crtc->scrn;
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;
-    CARD32		*cursor_image = (CARD32 *) xf86_config->cursor_image;
-    int			x, y;
-    int			xin, yin;
-    int			stride = cursor_info->MaxWidth >> 2;
-    int			flags = cursor_info->Flags;
-    CARD32		bits;
-
-#ifdef ARGB_CURSOR
-    crtc->cursor_argb = FALSE;
-#endif
-
-    for (y = 0; y < cursor_info->MaxHeight; y++)
-	for (x = 0; x < cursor_info->MaxWidth; x++) 
-	{
-	    xf86_crtc_rotate_coord (crtc->rotation,
-				    cursor_info->MaxWidth,
-				    cursor_info->MaxHeight,
-				    x, y, &xin, &yin);
-	    if (get_bit (src, stride, flags, xin, yin, TRUE) ==
-		((flags & HARDWARE_CURSOR_INVERT_MASK) == 0))
-	    {
-		if (get_bit (src, stride, flags, xin, yin, FALSE))
-		    bits = xf86_config->cursor_fg;
-		else
-		    bits = xf86_config->cursor_bg;
-	    }
-	    else
-		bits = 0;
-	    cursor_image[y * cursor_info->MaxWidth + x] = bits;
-	}
-    crtc->funcs->load_cursor_argb (crtc, cursor_image);
-}
-
-/*
- * Set the colors for a two-color cursor (ignore for ARGB cursors)
- */
-static void
-xf86_set_cursor_colors (ScrnInfoPtr scrn, int bg, int fg)
-{
-    ScreenPtr		screen = scrn->pScreen;
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    CursorPtr		cursor = xf86_config->cursor;
-    int			c;
-    CARD8		*bits = cursor ?
-#if XORG_VERSION_CURRENT < XORG_VERSION_NUMERIC(7,0,0,0,0)
-        dixLookupPrivate(&cursor->devPrivates, CursorScreenKey(screen))
-#else
-        cursor->devPriv[screen->myNum]
-#endif
-      : NULL;
-
-    /* Save ARGB versions of these colors */
-    xf86_config->cursor_fg = (CARD32) fg | 0xff000000;
-    xf86_config->cursor_bg = (CARD32) bg | 0xff000000;
-    
-    for (c = 0; c < xf86_config->num_crtc; c++)
-    {
-	xf86CrtcPtr crtc = xf86_config->crtc[c];
-
-	if (crtc->enabled && !crtc->cursor_argb)
-	{
-	    if (crtc->funcs->load_cursor_image)
-		crtc->funcs->set_cursor_colors (crtc, bg, fg);
-	    else if (bits)
-		xf86_crtc_convert_cursor_to_argb (crtc, bits);
-	}
-    }
-}
-
-static void
-xf86_crtc_hide_cursor (xf86CrtcPtr crtc)
-{
-    if (crtc->cursor_shown)
-    {
-	crtc->funcs->hide_cursor (crtc);
-	crtc->cursor_shown = FALSE;
-    }
-}
-
-void
-xf86_hide_cursors (ScrnInfoPtr scrn)
-{
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    int			c;
-
-    xf86_config->cursor_on = FALSE;
-    for (c = 0; c < xf86_config->num_crtc; c++)
-    {
-	xf86CrtcPtr crtc = xf86_config->crtc[c];
-
-	if (crtc->enabled)
-	    xf86_crtc_hide_cursor (crtc);
-    }
-}
-    
-static void
-xf86_crtc_show_cursor (xf86CrtcPtr crtc)
-{
-    if (!crtc->cursor_shown && crtc->cursor_in_range)
-    {
-	crtc->funcs->show_cursor (crtc);
-	crtc->cursor_shown = TRUE;
-    }
-}
-
-void
-xf86_show_cursors (ScrnInfoPtr scrn)
-{
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    int			c;
-
-    xf86_config->cursor_on = TRUE;
-    for (c = 0; c < xf86_config->num_crtc; c++)
-    {
-	xf86CrtcPtr crtc = xf86_config->crtc[c];
-
-	if (crtc->enabled)
-	    xf86_crtc_show_cursor (crtc);
-    }
-}
-    
-static void
-xf86_crtc_set_cursor_position (xf86CrtcPtr crtc, int x, int y)
-{
-    ScrnInfoPtr		scrn = crtc->scrn;
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;
-    DisplayModePtr	mode = &crtc->mode;
-    Bool		in_range;
-    int			dx, dy;
-
-    /*
-     * Transform position of cursor on screen
-     */
-    if (crtc->transform_in_use)
-    {
-	ScreenPtr	screen = scrn->pScreen;
-	xf86CursorScreenPtr ScreenPriv =
-	    (xf86CursorScreenPtr)dixLookupPrivate(&screen->devPrivates,
-						  xf86CursorScreenKey);
-	struct pict_f_vector   v;
-
-	v.v[0] = x + ScreenPriv->HotX; v.v[1] = y + ScreenPriv->HotY; v.v[2] = 1;
-	pixman_f_transform_point (&crtc->f_framebuffer_to_crtc, &v);
-	x = floor (v.v[0] + 0.5);
-	y = floor (v.v[1] + 0.5);
-	/*
-	 * Transform position of cursor upper left corner
-	 */
-	xf86_crtc_rotate_coord_back (crtc->rotation,
-				     cursor_info->MaxWidth,
-				     cursor_info->MaxHeight,
-				     ScreenPriv->HotX, ScreenPriv->HotY, &dx, &dy);
-	x -= dx;
-	y -= dy;
-   }
-    else
-    {
-	x -= crtc->x;
-	y -= crtc->y;
-    }
-
-    /*
-     * Disable the cursor when it is outside the viewport
-     */
-    in_range = TRUE;
-    if (x >= mode->HDisplay || y >= mode->VDisplay ||
-	x <= -cursor_info->MaxWidth || y <= -cursor_info->MaxHeight) 
-    {
-	in_range = FALSE;
-	x = 0;
-	y = 0;
-    }
-
-    crtc->cursor_in_range = in_range;
-    
-    if (in_range)
-    {
-	crtc->funcs->set_cursor_position (crtc, x, y);
-	xf86_crtc_show_cursor (crtc);
-    }
-    else
-	xf86_crtc_hide_cursor (crtc);
-}
-
-static void
-xf86_set_cursor_position (ScrnInfoPtr scrn, int x, int y)
-{
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    int			c;
-
-    /* undo what xf86HWCurs did to the coordinates */
-    x += scrn->frameX0;
-    y += scrn->frameY0;
-    for (c = 0; c < xf86_config->num_crtc; c++)
-    {
-	xf86CrtcPtr crtc = xf86_config->crtc[c];
-
-	if (crtc->enabled)
-	    xf86_crtc_set_cursor_position (crtc, x, y);
-    }
-}
-    
-/*
- * Load a two-color cursor into a crtc, performing rotation as needed
- */
-static void
-xf86_crtc_load_cursor_image (xf86CrtcPtr crtc, CARD8 *src)
-{
-    ScrnInfoPtr		scrn = crtc->scrn;
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;
-    CARD8		*cursor_image;
-
-#ifdef ARGB_CURSOR
-    crtc->cursor_argb = FALSE;
-#endif
-
-    if (crtc->rotation == RR_Rotate_0)
-	cursor_image = src;
-    else
-    {
-        int x, y;
-    	int xin, yin;
-	int stride = cursor_info->MaxWidth >> 2;
-	int flags = cursor_info->Flags;
-	
-	cursor_image = xf86_config->cursor_image;
-	memset(cursor_image, 0, cursor_info->MaxHeight * stride);
-	
-        for (y = 0; y < cursor_info->MaxHeight; y++)
-	    for (x = 0; x < cursor_info->MaxWidth; x++) 
-	    {
-		xf86_crtc_rotate_coord (crtc->rotation,
-					cursor_info->MaxWidth,
-					cursor_info->MaxHeight,
-					x, y, &xin, &yin);
-		if (get_bit(src, stride, flags, xin, yin, FALSE))
-		    set_bit(cursor_image, stride, flags, x, y, FALSE);
-		if (get_bit(src, stride, flags, xin, yin, TRUE))
-		    set_bit(cursor_image, stride, flags, x, y, TRUE);
-	    }
-    }
-    crtc->funcs->load_cursor_image (crtc, cursor_image);
-}
-    
-/*
- * Load a cursor image into all active CRTCs
- */
-static void
-xf86_load_cursor_image (ScrnInfoPtr scrn, unsigned char *src)
-{
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    int			c;
-
-    for (c = 0; c < xf86_config->num_crtc; c++)
-    {
-	xf86CrtcPtr crtc = xf86_config->crtc[c];
-
-	if (crtc->enabled)
-	{
-	    if (crtc->funcs->load_cursor_image)
-		xf86_crtc_load_cursor_image (crtc, src);
-	    else if (crtc->funcs->load_cursor_argb)
-		xf86_crtc_convert_cursor_to_argb (crtc, src);
-	}
-    }
-}
-
-static Bool
-xf86_use_hw_cursor (ScreenPtr screen, CursorPtr cursor)
-{
-    ScrnInfoPtr		scrn = xf86Screens[screen->myNum];
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;
-
-    ++cursor->refcnt;
-    if (xf86_config->cursor)
-	FreeCursor (xf86_config->cursor, None);
-    xf86_config->cursor = cursor;
-
-    if (cursor->bits->width > cursor_info->MaxWidth ||
-	cursor->bits->height> cursor_info->MaxHeight)
-	return FALSE;
-
-    return TRUE;
-}
-
-static Bool
-xf86_use_hw_cursor_argb (ScreenPtr screen, CursorPtr cursor)
-{
-    ScrnInfoPtr		scrn = xf86Screens[screen->myNum];
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;
-    
-    ++cursor->refcnt;
-    if (xf86_config->cursor)
-	FreeCursor (xf86_config->cursor, None);
-    xf86_config->cursor = cursor;
-    
-    /* Make sure ARGB support is available */
-    if ((cursor_info->Flags & HARDWARE_CURSOR_ARGB) == 0)
-	return FALSE;
-    
-    if (cursor->bits->width > cursor_info->MaxWidth ||
-	cursor->bits->height> cursor_info->MaxHeight)
-	return FALSE;
-
-    return TRUE;
-}
-
-static void
-xf86_crtc_load_cursor_argb (xf86CrtcPtr crtc, CursorPtr cursor)
-{
-    ScrnInfoPtr		scrn = crtc->scrn;
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;
-    CARD32		*cursor_image = (CARD32 *) xf86_config->cursor_image;
-    CARD32		*cursor_source = (CARD32 *) cursor->bits->argb;
-    int			x, y;
-    int			xin, yin;
-    CARD32		bits;
-    int			source_width = cursor->bits->width;
-    int			source_height = cursor->bits->height;
-    int			image_width = cursor_info->MaxWidth;
-    int			image_height = cursor_info->MaxHeight;
-    
-    for (y = 0; y < image_height; y++)
-	for (x = 0; x < image_width; x++)
-	{
-	    xf86_crtc_rotate_coord (crtc->rotation, image_width, image_height,
-				    x, y, &xin, &yin);
-	    if (xin < source_width && yin < source_height)
-		bits = cursor_source[yin * source_width + xin];
-	    else
-		bits = 0;
-	    cursor_image[y * image_width + x] = bits;
-	}
-    
-    crtc->funcs->load_cursor_argb (crtc, cursor_image);
-}
-
-static void
-xf86_load_cursor_argb (ScrnInfoPtr scrn, CursorPtr cursor)
-{
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    int			c;
-
-    for (c = 0; c < xf86_config->num_crtc; c++)
-    {
-	xf86CrtcPtr crtc = xf86_config->crtc[c];
-
-	if (crtc->enabled)
-	    xf86_crtc_load_cursor_argb (crtc, cursor);
-    }
-}
-
-Bool
-xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags)
-{
-    ScrnInfoPtr		scrn = xf86Screens[screen->myNum];
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    xf86CursorInfoPtr	cursor_info;
-
-    cursor_info = xf86CreateCursorInfoRec();
-    if (!cursor_info)
-	return FALSE;
-
-    xf86_config->cursor_image = xalloc (max_width * max_height * 4);
-
-    if (!xf86_config->cursor_image)
-    {
-	xf86DestroyCursorInfoRec (cursor_info);
-	return FALSE;
-    }
-	
-    xf86_config->cursor_info = cursor_info;
-
-    cursor_info->MaxWidth = max_width;
-    cursor_info->MaxHeight = max_height;
-    cursor_info->Flags = flags;
-
-    cursor_info->SetCursorColors = xf86_set_cursor_colors;
-    cursor_info->SetCursorPosition = xf86_set_cursor_position;
-    cursor_info->LoadCursorImage = xf86_load_cursor_image;
-    cursor_info->HideCursor = xf86_hide_cursors;
-    cursor_info->ShowCursor = xf86_show_cursors;
-    cursor_info->UseHWCursor = xf86_use_hw_cursor;
-#ifdef ARGB_CURSOR
-    if (flags & HARDWARE_CURSOR_ARGB)
-    {
-	cursor_info->UseHWCursorARGB = xf86_use_hw_cursor_argb;
-	cursor_info->LoadCursorARGB = xf86_load_cursor_argb;
-    }
-#endif
-    
-    xf86_config->cursor = NULL;
-    xf86_hide_cursors (scrn);
-    
-    return xf86InitCursor (screen, cursor_info);
-}
-
-/**
- * Called when anything on the screen is reconfigured.
- *
- * Reloads cursor images as needed, then adjusts cursor positions
- */
-
-void
-xf86_reload_cursors (ScreenPtr screen)
-{
-    ScrnInfoPtr		scrn;
-    xf86CrtcConfigPtr   xf86_config;
-    xf86CursorInfoPtr   cursor_info;
-    CursorPtr		cursor;
-    int			x, y;
-    xf86CursorScreenPtr cursor_screen_priv;
-    
-    /* initial mode setting will not have set a screen yet.
-       May be called before the devices are initialised.
-     */
-    if (!screen || !inputInfo.pointer)
-	return;
-    cursor_screen_priv = dixLookupPrivate(&screen->devPrivates,
-					  xf86CursorScreenKey);
-    /* return if HW cursor is inactive, to avoid displaying two cursors */
-    if (!cursor_screen_priv->isUp)
-	return;
-
-    scrn = xf86Screens[screen->myNum];
-    xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-
-    /* make sure the cursor code has been initialized */
-    cursor_info = xf86_config->cursor_info;
-    if (!cursor_info)
-	return;
-
-    cursor = xf86_config->cursor;
-    GetSpritePosition (inputInfo.pointer, &x, &y);
-    if (!(cursor_info->Flags & HARDWARE_CURSOR_UPDATE_UNHIDDEN))
-	(*cursor_info->HideCursor)(scrn);
-
-    if (cursor)
-    {
-#if XORG_VERSION_CURRENT < XORG_VERSION_NUMERIC(7,0,0,0,0)
-	void *src = dixLookupPrivate(&cursor->devPrivates, CursorScreenKey(screen));
-#else
-	void *src = cursor->devPriv[screen->myNum];
-#endif
-#ifdef ARGB_CURSOR
-	if (cursor->bits->argb && cursor_info->LoadCursorARGB)
-	    (*cursor_info->LoadCursorARGB) (scrn, cursor);
-	else if (src)
-#endif
-	    (*cursor_info->LoadCursorImage)(scrn, src);
-
-	x += scrn->frameX0 + cursor_screen_priv->HotX;
-	y += scrn->frameY0 + cursor_screen_priv->HotY;
-	(*cursor_info->SetCursorPosition)(scrn, x, y);
-    }
-}
-
-/**
- * Clean up CRTC-based cursor code
- */
-void
-xf86_cursors_fini (ScreenPtr screen)
-{
-    ScrnInfoPtr		scrn = xf86Screens[screen->myNum];
-    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-    
-    if (xf86_config->cursor_info)
-    {
-	xf86DestroyCursorInfoRec (xf86_config->cursor_info);
-	xf86_config->cursor_info = NULL;
-    }
-    if (xf86_config->cursor_image)
-    {
-	xfree (xf86_config->cursor_image);
-	xf86_config->cursor_image = NULL;
-    }
-    if (xf86_config->cursor)
-    {
-	FreeCursor (xf86_config->cursor, None);
-	xf86_config->cursor = NULL;
-    }
-}
+/*

+ * Copyright © 2007 Keith Packard

+ *

+ * 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 the copyright holders not be used in advertising or

+ * publicity pertaining to distribution of the software without specific,

+ * written prior permission.  The copyright holders make no representations

+ * about the suitability of this software for any purpose.  It is provided "as

+ * is" without express or implied warranty.

+ *

+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

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

+ * EVENT SHALL THE COPYRIGHT HOLDERS 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_XORG_CONFIG_H

+#include <xorg-config.h>

+#else

+#ifdef HAVE_CONFIG_H

+#include <config.h>

+#endif

+#endif

+

+#include <stddef.h>

+#include <string.h>

+#include <stdio.h>

+

+#include "xf86.h"

+#include "xf86DDC.h"

+#include "xf86Crtc.h"

+#include "xf86Modes.h"

+#include "xf86RandR12.h"

+#include "xf86CursorPriv.h"

+#include "X11/extensions/render.h"

+#include "X11/extensions/dpmsconst.h"

+#include "X11/Xatom.h"

+#include "picturestr.h"

+#include "cursorstr.h"

+#include "inputstr.h"

+

+/*

+ * Given a screen coordinate, rotate back to a cursor source coordinate

+ */

+static void

+xf86_crtc_rotate_coord (Rotation    rotation,

+			int	    width,

+			int	    height,

+			int	    x_dst,

+			int	    y_dst,

+			int	    *x_src,

+			int	    *y_src)

+{

+    int t;

+    

+    switch (rotation & 0xf) {

+    case RR_Rotate_0:

+	break;

+    case RR_Rotate_90:

+	t = x_dst;

+	x_dst = height - y_dst - 1;

+	y_dst = t;

+	break;

+    case RR_Rotate_180:

+	x_dst = width - x_dst - 1;

+	y_dst = height - y_dst - 1;

+	break;

+    case RR_Rotate_270:

+	t = x_dst;

+	x_dst = y_dst;

+	y_dst = width - t - 1;

+	break;

+    }

+    if (rotation & RR_Reflect_X)

+	x_dst = width - x_dst - 1;

+    if (rotation & RR_Reflect_Y)

+	y_dst = height - y_dst - 1;

+    *x_src = x_dst;

+    *y_src = y_dst;

+}

+

+/*

+ * Given a cursor source  coordinate, rotate to a screen coordinate

+ */

+static void

+xf86_crtc_rotate_coord_back (Rotation    rotation,

+			     int	    width,

+			     int	    height,

+			     int	    x_dst,

+			     int	    y_dst,

+			     int	    *x_src,

+			     int	    *y_src)

+{

+    int t;

+    

+    if (rotation & RR_Reflect_X)

+	x_dst = width - x_dst - 1;

+    if (rotation & RR_Reflect_Y)

+	y_dst = height - y_dst - 1;

+

+    switch (rotation & 0xf) {

+    case RR_Rotate_0:

+	break;

+    case RR_Rotate_90:

+	t = x_dst;

+	x_dst = y_dst;

+	y_dst = width - t - 1;

+	break;

+    case RR_Rotate_180:

+	x_dst = width - x_dst - 1;

+	y_dst = height - y_dst - 1;

+	break;

+    case RR_Rotate_270:

+	t = x_dst;

+	x_dst = height - y_dst - 1;

+	y_dst = t;

+	break;

+    }

+    *x_src = x_dst;

+    *y_src = y_dst;

+}

+

+/*

+ * Convert an x coordinate to a position within the cursor bitmap

+ */

+static int

+cursor_bitpos (int flags, int x, Bool mask)

+{

+    if (flags & HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK)

+	mask = !mask;

+    if (flags & HARDWARE_CURSOR_NIBBLE_SWAPPED)

+	x = (x & ~3) | (3 - (x & 3));

+    if (((flags & HARDWARE_CURSOR_BIT_ORDER_MSBFIRST) == 0) ==

+	(X_BYTE_ORDER == X_BIG_ENDIAN))

+	x = (x & ~7) | (7 - (x & 7));

+    if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1)

+	x = (x << 1) + mask;

+    else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_8)

+	x = ((x & ~7) << 1) | (mask << 3) | (x & 7);

+    else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_16)

+	x = ((x & ~15) << 1) | (mask << 4) | (x & 15);

+    else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32)

+	x = ((x & ~31) << 1) | (mask << 5) | (x & 31);

+    else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64)

+	x = ((x & ~63) << 1) | (mask << 6) | (x & 63);

+    return x;

+}

+

+/*

+ * Fetch one bit from a cursor bitmap

+ */

+static CARD8

+get_bit (CARD8 *image, int stride, int flags, int x, int y, Bool mask)

+{

+    x = cursor_bitpos (flags, x, mask);

+    image += y * stride;

+    return (image[(x >> 3)] >> (x & 7)) & 1;

+}

+

+/*

+ * Set one bit in a cursor bitmap

+ */

+static void

+set_bit (CARD8 *image, int stride, int flags, int x, int y, Bool mask)

+{

+    x = cursor_bitpos (flags, x, mask);

+    image += y * stride;

+    image[(x >> 3)] |= 1 << (x & 7);

+}

+    

+/*

+ * Load a two color cursor into a driver that supports only ARGB cursors

+ */

+static void

+xf86_crtc_convert_cursor_to_argb (xf86CrtcPtr crtc, unsigned char *src)

+{

+    ScrnInfoPtr		scrn = crtc->scrn;

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;

+    CARD32		*cursor_image = (CARD32 *) xf86_config->cursor_image;

+    int			x, y;

+    int			xin, yin;

+    int			stride = cursor_info->MaxWidth >> 2;

+    int			flags = cursor_info->Flags;

+    CARD32		bits;

+

+#ifdef ARGB_CURSOR

+    crtc->cursor_argb = FALSE;

+#endif

+

+    for (y = 0; y < cursor_info->MaxHeight; y++)

+	for (x = 0; x < cursor_info->MaxWidth; x++) 

+	{

+	    xf86_crtc_rotate_coord (crtc->rotation,

+				    cursor_info->MaxWidth,

+				    cursor_info->MaxHeight,

+				    x, y, &xin, &yin);

+	    if (get_bit (src, stride, flags, xin, yin, TRUE) ==

+		((flags & HARDWARE_CURSOR_INVERT_MASK) == 0))

+	    {

+		if (get_bit (src, stride, flags, xin, yin, FALSE))

+		    bits = xf86_config->cursor_fg;

+		else

+		    bits = xf86_config->cursor_bg;

+	    }

+	    else

+		bits = 0;

+	    cursor_image[y * cursor_info->MaxWidth + x] = bits;

+	}

+    crtc->funcs->load_cursor_argb (crtc, cursor_image);

+}

+

+/*

+ * Set the colors for a two-color cursor (ignore for ARGB cursors)

+ */

+static void

+xf86_set_cursor_colors (ScrnInfoPtr scrn, int bg, int fg)

+{

+    ScreenPtr		screen = scrn->pScreen;

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    CursorPtr		cursor = xf86_config->cursor;

+    int			c;

+    CARD8		*bits = cursor ?

+#if XORG_VERSION_CURRENT < XORG_VERSION_NUMERIC(7,0,0,0,0)

+        dixLookupPrivate(&cursor->devPrivates, CursorScreenKey(screen))

+#else

+        cursor->devPriv[screen->myNum]

+#endif

+      : NULL;

+

+    /* Save ARGB versions of these colors */

+    xf86_config->cursor_fg = (CARD32) fg | 0xff000000;

+    xf86_config->cursor_bg = (CARD32) bg | 0xff000000;

+    

+    for (c = 0; c < xf86_config->num_crtc; c++)

+    {

+	xf86CrtcPtr crtc = xf86_config->crtc[c];

+

+	if (crtc->enabled && !crtc->cursor_argb)

+	{

+	    if (crtc->funcs->load_cursor_image)

+		crtc->funcs->set_cursor_colors (crtc, bg, fg);

+	    else if (bits)

+		xf86_crtc_convert_cursor_to_argb (crtc, bits);

+	}

+    }

+}

+

+static void

+xf86_crtc_hide_cursor (xf86CrtcPtr crtc)

+{

+    if (crtc->cursor_shown)

+    {

+	crtc->funcs->hide_cursor (crtc);

+	crtc->cursor_shown = FALSE;

+    }

+}

+

+void

+xf86_hide_cursors (ScrnInfoPtr scrn)

+{

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    int			c;

+

+    xf86_config->cursor_on = FALSE;

+    for (c = 0; c < xf86_config->num_crtc; c++)

+    {

+	xf86CrtcPtr crtc = xf86_config->crtc[c];

+

+	if (crtc->enabled)

+	    xf86_crtc_hide_cursor (crtc);

+    }

+}

+    

+static void

+xf86_crtc_show_cursor (xf86CrtcPtr crtc)

+{

+    if (!crtc->cursor_shown && crtc->cursor_in_range)

+    {

+	crtc->funcs->show_cursor (crtc);

+	crtc->cursor_shown = TRUE;

+    }

+}

+

+void

+xf86_show_cursors (ScrnInfoPtr scrn)

+{

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    int			c;

+

+    xf86_config->cursor_on = TRUE;

+    for (c = 0; c < xf86_config->num_crtc; c++)

+    {

+	xf86CrtcPtr crtc = xf86_config->crtc[c];

+

+	if (crtc->enabled)

+	    xf86_crtc_show_cursor (crtc);

+    }

+}

+    

+static void

+xf86_crtc_set_cursor_position (xf86CrtcPtr crtc, int x, int y)

+{

+    ScrnInfoPtr		scrn = crtc->scrn;

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;

+    DisplayModePtr	mode = &crtc->mode;

+    Bool		in_range;

+    int			dx, dy;

+

+    /*

+     * Transform position of cursor on screen

+     */

+    if (crtc->transform_in_use)

+    {

+	ScreenPtr	screen = scrn->pScreen;

+	xf86CursorScreenPtr ScreenPriv =

+	    (xf86CursorScreenPtr)dixLookupPrivate(&screen->devPrivates,

+						  xf86CursorScreenKey);

+	struct pict_f_vector   v;

+

+	v.v[0] = x + ScreenPriv->HotX; v.v[1] = y + ScreenPriv->HotY; v.v[2] = 1;

+	pixman_f_transform_point (&crtc->f_framebuffer_to_crtc, &v);

+	x = floor (v.v[0] + 0.5);

+	y = floor (v.v[1] + 0.5);

+	/*

+	 * Transform position of cursor upper left corner

+	 */

+	xf86_crtc_rotate_coord_back (crtc->rotation,

+				     cursor_info->MaxWidth,

+				     cursor_info->MaxHeight,

+				     ScreenPriv->HotX, ScreenPriv->HotY, &dx, &dy);

+	x -= dx;

+	y -= dy;

+   }

+    else

+    {

+	x -= crtc->x;

+	y -= crtc->y;

+    }

+

+    /*

+     * Disable the cursor when it is outside the viewport

+     */

+    in_range = TRUE;

+    if (x >= mode->HDisplay || y >= mode->VDisplay ||

+	x <= -cursor_info->MaxWidth || y <= -cursor_info->MaxHeight) 

+    {

+	in_range = FALSE;

+	x = 0;

+	y = 0;

+    }

+

+    crtc->cursor_in_range = in_range;

+    

+    if (in_range)

+    {

+	crtc->funcs->set_cursor_position (crtc, x, y);

+	xf86_crtc_show_cursor (crtc);

+    }

+    else

+	xf86_crtc_hide_cursor (crtc);

+}

+

+static void

+xf86_set_cursor_position (ScrnInfoPtr scrn, int x, int y)

+{

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    int			c;

+

+    /* undo what xf86HWCurs did to the coordinates */

+    x += scrn->frameX0;

+    y += scrn->frameY0;

+    for (c = 0; c < xf86_config->num_crtc; c++)

+    {

+	xf86CrtcPtr crtc = xf86_config->crtc[c];

+

+	if (crtc->enabled)

+	    xf86_crtc_set_cursor_position (crtc, x, y);

+    }

+}

+    

+/*

+ * Load a two-color cursor into a crtc, performing rotation as needed

+ */

+static void

+xf86_crtc_load_cursor_image (xf86CrtcPtr crtc, CARD8 *src)

+{

+    ScrnInfoPtr		scrn = crtc->scrn;

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;

+    CARD8		*cursor_image;

+

+#ifdef ARGB_CURSOR

+    crtc->cursor_argb = FALSE;

+#endif

+

+    if (crtc->rotation == RR_Rotate_0)

+	cursor_image = src;

+    else

+    {

+        int x, y;

+    	int xin, yin;

+	int stride = cursor_info->MaxWidth >> 2;

+	int flags = cursor_info->Flags;

+	

+	cursor_image = xf86_config->cursor_image;

+	memset(cursor_image, 0, cursor_info->MaxHeight * stride);

+	

+        for (y = 0; y < cursor_info->MaxHeight; y++)

+	    for (x = 0; x < cursor_info->MaxWidth; x++) 

+	    {

+		xf86_crtc_rotate_coord (crtc->rotation,

+					cursor_info->MaxWidth,

+					cursor_info->MaxHeight,

+					x, y, &xin, &yin);

+		if (get_bit(src, stride, flags, xin, yin, FALSE))

+		    set_bit(cursor_image, stride, flags, x, y, FALSE);

+		if (get_bit(src, stride, flags, xin, yin, TRUE))

+		    set_bit(cursor_image, stride, flags, x, y, TRUE);

+	    }

+    }

+    crtc->funcs->load_cursor_image (crtc, cursor_image);

+}

+    

+/*

+ * Load a cursor image into all active CRTCs

+ */

+static void

+xf86_load_cursor_image (ScrnInfoPtr scrn, unsigned char *src)

+{

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    int			c;

+

+    for (c = 0; c < xf86_config->num_crtc; c++)

+    {

+	xf86CrtcPtr crtc = xf86_config->crtc[c];

+

+	if (crtc->enabled)

+	{

+	    if (crtc->funcs->load_cursor_image)

+		xf86_crtc_load_cursor_image (crtc, src);

+	    else if (crtc->funcs->load_cursor_argb)

+		xf86_crtc_convert_cursor_to_argb (crtc, src);

+	}

+    }

+}

+

+static Bool

+xf86_use_hw_cursor (ScreenPtr screen, CursorPtr cursor)

+{

+    ScrnInfoPtr		scrn = xf86Screens[screen->myNum];

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;

+

+    ++cursor->refcnt;

+    if (xf86_config->cursor)

+	FreeCursor (xf86_config->cursor, None);

+    xf86_config->cursor = cursor;

+

+    if (cursor->bits->width > cursor_info->MaxWidth ||

+	cursor->bits->height> cursor_info->MaxHeight)

+	return FALSE;

+

+    return TRUE;

+}

+

+static Bool

+xf86_use_hw_cursor_argb (ScreenPtr screen, CursorPtr cursor)

+{

+    ScrnInfoPtr		scrn = xf86Screens[screen->myNum];

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;

+    

+    ++cursor->refcnt;

+    if (xf86_config->cursor)

+	FreeCursor (xf86_config->cursor, None);

+    xf86_config->cursor = cursor;

+    

+    /* Make sure ARGB support is available */

+    if ((cursor_info->Flags & HARDWARE_CURSOR_ARGB) == 0)

+	return FALSE;

+    

+    if (cursor->bits->width > cursor_info->MaxWidth ||

+	cursor->bits->height> cursor_info->MaxHeight)

+	return FALSE;

+

+    return TRUE;

+}

+

+static void

+xf86_crtc_load_cursor_argb (xf86CrtcPtr crtc, CursorPtr cursor)

+{

+    ScrnInfoPtr		scrn = crtc->scrn;

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    xf86CursorInfoPtr	cursor_info = xf86_config->cursor_info;

+    CARD32		*cursor_image = (CARD32 *) xf86_config->cursor_image;

+    CARD32		*cursor_source = (CARD32 *) cursor->bits->argb;

+    int			x, y;

+    int			xin, yin;

+    CARD32		bits;

+    int			source_width = cursor->bits->width;

+    int			source_height = cursor->bits->height;

+    int			image_width = cursor_info->MaxWidth;

+    int			image_height = cursor_info->MaxHeight;

+    

+    for (y = 0; y < image_height; y++)

+	for (x = 0; x < image_width; x++)

+	{

+	    xf86_crtc_rotate_coord (crtc->rotation, image_width, image_height,

+				    x, y, &xin, &yin);

+	    if (xin < source_width && yin < source_height)

+		bits = cursor_source[yin * source_width + xin];

+	    else

+		bits = 0;

+	    cursor_image[y * image_width + x] = bits;

+	}

+    

+    crtc->funcs->load_cursor_argb (crtc, cursor_image);

+}

+

+static void

+xf86_load_cursor_argb (ScrnInfoPtr scrn, CursorPtr cursor)

+{

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    int			c;

+

+    for (c = 0; c < xf86_config->num_crtc; c++)

+    {

+	xf86CrtcPtr crtc = xf86_config->crtc[c];

+

+	if (crtc->enabled)

+	    xf86_crtc_load_cursor_argb (crtc, cursor);

+    }

+}

+

+Bool

+xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags)

+{

+    ScrnInfoPtr		scrn = xf86Screens[screen->myNum];

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    xf86CursorInfoPtr	cursor_info;

+

+    cursor_info = xf86CreateCursorInfoRec();

+    if (!cursor_info)

+	return FALSE;

+

+    xf86_config->cursor_image = xalloc (max_width * max_height * 4);

+

+    if (!xf86_config->cursor_image)

+    {

+	xf86DestroyCursorInfoRec (cursor_info);

+	return FALSE;

+    }

+	

+    xf86_config->cursor_info = cursor_info;

+

+    cursor_info->MaxWidth = max_width;

+    cursor_info->MaxHeight = max_height;

+    cursor_info->Flags = flags;

+

+    cursor_info->SetCursorColors = xf86_set_cursor_colors;

+    cursor_info->SetCursorPosition = xf86_set_cursor_position;

+    cursor_info->LoadCursorImage = xf86_load_cursor_image;

+    cursor_info->HideCursor = xf86_hide_cursors;

+    cursor_info->ShowCursor = xf86_show_cursors;

+    cursor_info->UseHWCursor = xf86_use_hw_cursor;

+#ifdef ARGB_CURSOR

+    if (flags & HARDWARE_CURSOR_ARGB)

+    {

+	cursor_info->UseHWCursorARGB = xf86_use_hw_cursor_argb;

+	cursor_info->LoadCursorARGB = xf86_load_cursor_argb;

+    }

+#endif

+    

+    xf86_config->cursor = NULL;

+    xf86_hide_cursors (scrn);

+    

+    return xf86InitCursor (screen, cursor_info);

+}

+

+/**

+ * Called when anything on the screen is reconfigured.

+ *

+ * Reloads cursor images as needed, then adjusts cursor positions

+ */

+

+void

+xf86_reload_cursors (ScreenPtr screen)

+{

+    ScrnInfoPtr		scrn;

+    xf86CrtcConfigPtr   xf86_config;

+    xf86CursorInfoPtr   cursor_info;

+    CursorPtr		cursor;

+    int			x, y;

+    xf86CursorScreenPtr cursor_screen_priv;

+    

+    /* initial mode setting will not have set a screen yet.

+       May be called before the devices are initialised.

+     */

+    if (!screen || !inputInfo.pointer)

+	return;

+    cursor_screen_priv = dixLookupPrivate(&screen->devPrivates,

+					  xf86CursorScreenKey);

+    /* return if HW cursor is inactive, to avoid displaying two cursors */

+    if (!cursor_screen_priv || !cursor_screen_priv->isUp)

+	return;

+

+    scrn = xf86Screens[screen->myNum];

+    xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+

+    /* make sure the cursor code has been initialized */

+    cursor_info = xf86_config->cursor_info;

+    if (!cursor_info)

+	return;

+

+    cursor = xf86_config->cursor;

+    GetSpritePosition (inputInfo.pointer, &x, &y);

+    if (!(cursor_info->Flags & HARDWARE_CURSOR_UPDATE_UNHIDDEN))

+	(*cursor_info->HideCursor)(scrn);

+

+    if (cursor)

+    {

+#if XORG_VERSION_CURRENT < XORG_VERSION_NUMERIC(7,0,0,0,0)

+	void *src = dixLookupPrivate(&cursor->devPrivates, CursorScreenKey(screen));

+#else

+	void *src = cursor->devPriv[screen->myNum];

+#endif

+#ifdef ARGB_CURSOR

+	if (cursor->bits->argb && cursor_info->LoadCursorARGB)

+	    (*cursor_info->LoadCursorARGB) (scrn, cursor);

+	else if (src)

+#endif

+	    (*cursor_info->LoadCursorImage)(scrn, src);

+

+	x += scrn->frameX0 + cursor_screen_priv->HotX;

+	y += scrn->frameY0 + cursor_screen_priv->HotY;

+	(*cursor_info->SetCursorPosition)(scrn, x, y);

+    }

+}

+

+/**

+ * Clean up CRTC-based cursor code

+ */

+void

+xf86_cursors_fini (ScreenPtr screen)

+{

+    ScrnInfoPtr		scrn = xf86Screens[screen->myNum];

+    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);

+    

+    if (xf86_config->cursor_info)

+    {

+	xf86DestroyCursorInfoRec (xf86_config->cursor_info);

+	xf86_config->cursor_info = NULL;

+    }

+    if (xf86_config->cursor_image)

+    {

+	xfree (xf86_config->cursor_image);

+	xf86_config->cursor_image = NULL;

+    }

+    if (xf86_config->cursor)

+    {

+	FreeCursor (xf86_config->cursor, None);

+	xf86_config->cursor = NULL;

+    }

+}