Synchronised line endinge with release branch

1 files changed, 1823 insertions, 1823 deletions

diff --git a/xorg-server/hw/xfree86/modes/xf86RandR12.c b/xorg-server/hw/xfree86/modes/xf86RandR12.c
index 6d676363b..cb20d1c35 100644
--- a/xorg-server/hw/xfree86/modes/xf86RandR12.c
+++ b/xorg-server/hw/xfree86/modes/xf86RandR12.c
@@ -1,1823 +1,1823 @@
-/*

- * 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 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 "xf86.h"

-#include "os.h"

-#include "globals.h"

-#include "xf86Priv.h"

-#include "xf86DDC.h"

-#include "mipointer.h"

-#include "windowstr.h"

-#include "inputstr.h"

-#include <randrstr.h>

-#include <X11/extensions/render.h>

-

-#include "xf86Crtc.h"

-#include "xf86RandR12.h"

-

-typedef struct _xf86RandR12Info {

-    int				    virtualX;

-    int				    virtualY;

-    int				    mmWidth;

-    int				    mmHeight;

-    int				    maxX;

-    int				    maxY;

-    int				    pointerX;

-    int				    pointerY;

-    Rotation			    rotation; /* current mode */

-    Rotation                        supported_rotations; /* driver supported */

-

-    /* Used to wrap EnterVT so we can re-probe the outputs when a laptop unsuspends

-     * (actually, any time that we switch back into our VT).

-     *

-     * See https://bugs.freedesktop.org/show_bug.cgi?id=21554

-     */

-    xf86EnterVTProc *orig_EnterVT;

-} XF86RandRInfoRec, *XF86RandRInfoPtr;

-

-#ifdef RANDR_12_INTERFACE

-static Bool xf86RandR12Init12 (ScreenPtr pScreen);

-static Bool xf86RandR12CreateScreenResources12 (ScreenPtr pScreen);

-#endif

-

-static int xf86RandR12Generation;

-

-static DevPrivateKeyRec xf86RandR12KeyRec;

-static DevPrivateKey xf86RandR12Key;

-#define XF86RANDRINFO(p) ((XF86RandRInfoPtr) \

-    dixLookupPrivate(&(p)->devPrivates, xf86RandR12Key))

-

-

-static int

-xf86RandR12ModeRefresh (DisplayModePtr mode)

-{

-    if (mode->VRefresh)

-	return (int) (mode->VRefresh + 0.5);

-    else

-	return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5);

-}

-

-/* Adapt panning area; return TRUE if panning area was valid without adaption */

-static int

-xf86RandR13VerifyPanningArea (xf86CrtcPtr crtc, int screenWidth, int screenHeight)

-{

-    int ret = TRUE;

-

-    if (crtc->version < 2)

-	return FALSE;

-

-    if (crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1) {

-	/* Panning in X is disabled */

-	if (crtc->panningTotalArea.x1 || crtc->panningTotalArea.x2)

-	    /* Illegal configuration -> fail/disable */

-	    ret = FALSE;

-	crtc->panningTotalArea.x1    = crtc->panningTotalArea.x2    = 0;

-	crtc->panningTrackingArea.x1 = crtc->panningTrackingArea.x2 = 0;

-	crtc->panningBorder[0]       = crtc->panningBorder[2]       = 0;

-    } else {

-	/* Panning in X is enabled */

-	if (crtc->panningTotalArea.x1 < 0) {

-	    /* Panning region outside screen -> move inside */

-	    crtc->panningTotalArea.x2 -= crtc->panningTotalArea.x1;

-	    crtc->panningTotalArea.x1 = 0;

-	    ret = FALSE;

-	}

-	if (crtc->panningTotalArea.x2 < crtc->panningTotalArea.x1 + crtc->mode.HDisplay) {

-	    /* Panning region smaller than displayed area -> crop to displayed area */

-	    crtc->panningTotalArea.x2 = crtc->panningTotalArea.x1 + crtc->mode.HDisplay;

-	    ret = FALSE;

-	}

-	if (crtc->panningTotalArea.x2 > screenWidth) {

-	    /* Panning region larger than screen -> move inside, then crop to screen */

-	    crtc->panningTotalArea.x1 -= crtc->panningTotalArea.x2 - screenWidth;

-	    crtc->panningTotalArea.x2 = screenWidth;

-	    ret = FALSE;

-	    if (crtc->panningTotalArea.x1 < 0)

-		crtc->panningTotalArea.x1 = 0;

-	}

-	if (crtc->panningBorder[0] + crtc->panningBorder[2] > crtc->mode.HDisplay) {

-	    /* Borders too large -> set to 0 */

-	    crtc->panningBorder[0] = crtc->panningBorder[2] = 0;

-	    ret = FALSE;

-	}

-    }

-

-    if (crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1) {

-	/* Panning in Y is disabled */

-	if (crtc->panningTotalArea.y1 || crtc->panningTotalArea.y2)

-	    /* Illegal configuration -> fail/disable */

-	    ret = FALSE;

-	crtc->panningTotalArea.y1    = crtc->panningTotalArea.y2    = 0;

-	crtc->panningTrackingArea.y1 = crtc->panningTrackingArea.y2 = 0;

-	crtc->panningBorder[1]       = crtc->panningBorder[3]       = 0;

-    } else {

-	/* Panning in Y is enabled */

-	if (crtc->panningTotalArea.y1 < 0) {

-	    /* Panning region outside screen -> move inside */

-	    crtc->panningTotalArea.y2 -= crtc->panningTotalArea.y1;

-	    crtc->panningTotalArea.y1 = 0;

-	    ret = FALSE;

-	}

-	if (crtc->panningTotalArea.y2 < crtc->panningTotalArea.y1 + crtc->mode.VDisplay) {

-	    /* Panning region smaller than displayed area -> crop to displayed area */

-	    crtc->panningTotalArea.y2 = crtc->panningTotalArea.y1 + crtc->mode.VDisplay;

-	    ret = FALSE;

-	}

-	if (crtc->panningTotalArea.y2 > screenHeight) {

-	    /* Panning region larger than screen -> move inside, then crop to screen */

-	    crtc->panningTotalArea.y1 -= crtc->panningTotalArea.y2 - screenHeight;

-	    crtc->panningTotalArea.y2 = screenHeight;

-	    ret = FALSE;

-	    if (crtc->panningTotalArea.y1 < 0)

-		crtc->panningTotalArea.y1 = 0;

-	}

-	if (crtc->panningBorder[1] + crtc->panningBorder[3] > crtc->mode.VDisplay) {

-	    /* Borders too large -> set to 0 */

-	    crtc->panningBorder[1] = crtc->panningBorder[3] = 0;

-	    ret = FALSE;

-	}

-    }

-

-    return ret;

-}

-

-/*

- * The heart of the panning operation:

- *

- * Given a frame buffer position (fb_x, fb_y),

- * and a crtc position (crtc_x, crtc_y),

- * and a transform matrix which maps frame buffer to crtc,

- * compute a panning position (pan_x, pan_y) that

- * makes the resulting transform line those two up

- */

-

-static void

-xf86ComputeCrtcPan (Bool transform_in_use,

-		    struct pixman_f_transform *m,

-		    double screen_x, double screen_y,

-		    double crtc_x, double crtc_y,

-		    int old_pan_x, int old_pan_y,

-		    int *new_pan_x, int *new_pan_y)

-{

-    if (transform_in_use) {

-	/*

-	 * Given the current transform, M, the current position

-	 * on the Screen, S, and the desired position on the CRTC,

-	 * C, compute a translation, T, such that:

-	 *

-	 * M T S = C

-	 *

-	 * where T is of the form

-	 *

-	 * | 1 0 dx |

-	 * | 0 1 dy |

-	 * | 0 0 1  |

-	 *

-	 * M T S =

-	 *   | M00 Sx + M01 Sy + M00 dx + M01 dy + M02 |   | Cx F |

-	 *   | M10 Sx + M11 Sy + M10 dx + M11 dy + M12 | = | Cy F |

-	 *   | M20 Sx + M21 Sy + M20 dx + M21 dy + M22 |   |  F   |

-	 *

-	 * R = M S

-	 *

-	 *   Cx F = M00 dx + M01 dy + R0

-	 *   Cy F = M10 dx + M11 dy + R1

-	 *      F = M20 dx + M21 dy + R2

-	 *

-	 * Zero out dx, then dy

-	 *

-	 * F (Cx M10 - Cy M00) =

-	 *	    (M10 M01 - M00 M11) dy + M10 R0 - M00 R1

-	 * F (M10 - Cy M20) =

-	 *	    (M10 M21 - M20 M11) dy + M10 R2 - M20 R1

-	 *

-	 * F (Cx M11 - Cy M01) =

-	 *	    (M11 M00 - M01 M10) dx + M11 R0 - M01 R1

-	 * F (M11 - Cy M21) =

-	 *	    (M11 M20 - M21 M10) dx + M11 R2 - M21 R1

-	 *

-	 * Make some temporaries

-	 *

-	 * T = | Cx M10 - Cy M00 |

-	 *     | Cx M11 - Cy M01 |

-	 *

-	 * U = | M10 M01 - M00 M11 |

-	 *     | M11 M00 - M01 M10 |

-	 *

-	 * Q = | M10 R0 - M00 R1 |

-	 *     | M11 R0 - M01 R1 |

-	 *

-	 * P = | M10 - Cy M20 |

-	 *     | M11 - Cy M21 |

-	 *

-	 * W = | M10 M21 - M20 M11 |

-	 *     | M11 M20 - M21 M10 |

-	 *

-	 * V = | M10 R2 - M20 R1 |

-	 *	   | M11 R2 - M21 R1 |

-	 *

-	 * Rewrite:

-	 *

-	 * F T0 = U0 dy + Q0

-	 * F P0 = W0 dy + V0

-	 * F T1 = U1 dx + Q1

-	 * F P1 = W1 dx + V1

-	 *

-	 * Solve for F (two ways)

-	 *

-	 * F (W0 T0 - U0 P0)  = W0 Q0 - U0 V0

-	 *

-	 *     W0 Q0 - U0 V0

-	 * F = -------------

-	 *     W0 T0 - U0 P0

-	 *

-	 * F (W1 T1 - U1 P1) = W1 Q1 - U1 V1

-	 *

-	 *     W1 Q1 - U1 V1

-	 * F = -------------

-	 *     W1 T1 - U1 P1

-	 *

-	 * We'll use which ever solution works (denominator != 0)

-	 *

-	 * Finally, solve for dx and dy:

-	 *

-	 * dx = (F T1 - Q1) / U1

-	 * dx = (F P1 - V1) / W1

-	 *

-	 * dy = (F T0 - Q0) / U0

-	 * dy = (F P0 - V0) / W0

-	 */

-	double			    r[3];

-	double			    q[2], u[2], t[2], v[2], w[2], p[2];

-	double			    f;

-	struct pict_f_vector	    d;

-	int			    i;

-

-	/* Get the un-normalized crtc coordinates again */

-	for (i = 0; i < 3; i++)

-	    r[i] = m->m[i][0] * screen_x + m->m[i][1] * screen_y + m->m[i][2];

-

-	/* Combine values into temporaries */

-	for (i = 0; i < 2; i++) {

-	    q[i] = m->m[1][i] * r[0] - m->m[0][i] * r[1];

-	    u[i] = m->m[1][i] * m->m[0][1-i] - m->m[0][i] * m->m[1][1-i];

-	    t[i] = m->m[1][i] * crtc_x - m->m[0][i] * crtc_y;

-

-	    v[i] = m->m[1][i] * r[2] - m->m[2][i] * r[1];

-	    w[i] = m->m[1][i] * m->m[2][1-i] - m->m[2][i] * m->m[1][1-i];

-	    p[i] = m->m[1][i] - m->m[2][i] * crtc_y;

-	}

-

-	/* Find a way to compute f */

-	f = 0;

-	for (i = 0; i < 2; i++) {

-	    double a = w[i] * q[i] - u[i] * v[i];

-	    double b = w[i] * t[i] - u[i] * p[i];

-	    if (b != 0) {

-		f = a/b;

-		break;

-	    }

-	}

-

-	/* Solve for the resulting transform vector */

-	for (i = 0; i < 2; i++) {

-	    if (u[i])

-		d.v[1-i] = (t[i] * f - q[i]) / u[i];

-	    else if (w[1])

-		d.v[1-i] = (p[i] * f - v[i]) / w[i];

-	    else

-		d.v[1-i] = 0;

-	}

-	*new_pan_x = old_pan_x - floor (d.v[0] + 0.5);

-	*new_pan_y = old_pan_y - floor (d.v[1] + 0.5);

-    } else {

-	*new_pan_x = screen_x - crtc_x;

-	*new_pan_y = screen_y - crtc_y;

-    }

-}

-

-static void

-xf86RandR13Pan (xf86CrtcPtr crtc, int x, int y)

-{

-    int newX, newY;

-    int width, height;

-    Bool panned = FALSE;

-

-    if (crtc->version < 2)

-	return;

-

-    if (! crtc->enabled						||

-	(crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1	&&

-	 crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1))

-	return;

-

-    newX   = crtc->x;

-    newY   = crtc->y;

-    width  = crtc->mode.HDisplay;

-    height = crtc->mode.VDisplay;

-

-    if ((crtc->panningTrackingArea.x2 <= crtc->panningTrackingArea.x1 ||

-	 (x >= crtc->panningTrackingArea.x1 && x < crtc->panningTrackingArea.x2)) &&

-	(crtc->panningTrackingArea.y2 <= crtc->panningTrackingArea.y1 ||

-	 (y >= crtc->panningTrackingArea.y1 && y < crtc->panningTrackingArea.y2)))

-    {

-	struct pict_f_vector    c;

-

-	/*

-	 * Pre-clip the mouse position to the panning area so that we don't

-	 * push the crtc outside. This doesn't deal with changes to the

-	 * panning values, only mouse position changes.

-	 */

-	if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1)

-	{

-	    if (x < crtc->panningTotalArea.x1)

-		x = crtc->panningTotalArea.x1;

-	    if (x >= crtc->panningTotalArea.x2)

-		x = crtc->panningTotalArea.x2 - 1;

-	}

-	if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1)

-	{

-	    if (y < crtc->panningTotalArea.y1)

-		y = crtc->panningTotalArea.y1;

-	    if (y >= crtc->panningTotalArea.y2)

-		y = crtc->panningTotalArea.y2 - 1;

-	}

-

-	c.v[0] = x;

-	c.v[1] = y;

-	c.v[2] = 1.0;

-	if (crtc->transform_in_use) {

-	    pixman_f_transform_point(&crtc->f_framebuffer_to_crtc, &c);

-	} else {

-	    c.v[0] -= crtc->x;

-	    c.v[1] -= crtc->y;

-	}

-

-	if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) {

-	    if (c.v[0] < crtc->panningBorder[0]) {

-		c.v[0] = crtc->panningBorder[0];

-		panned = TRUE;

-	    }

-	    if (c.v[0] >= width - crtc->panningBorder[2]) {

-		c.v[0] = width - crtc->panningBorder[2] - 1;

-		panned = TRUE;

-	    }

-	}

-	if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) {

-	    if (c.v[1] < crtc->panningBorder[1]) {

-		c.v[1] = crtc->panningBorder[1];

-		panned = TRUE;

-	    }

-	    if (c.v[1] >= height - crtc->panningBorder[3]) {

-		c.v[1] = height - crtc->panningBorder[3] - 1;

-		panned = TRUE;

-	    }

-	}

-	if (panned)

-	    xf86ComputeCrtcPan (crtc->transform_in_use,

-				&crtc->f_framebuffer_to_crtc,

-				x, y, c.v[0], c.v[1],

-				newX, newY, &newX, &newY);

-    }

-

-    /*

-     * Ensure that the crtc is within the panning region.

-     *

-     * XXX This computation only works when we do not have a transform

-     * in use.

-     */

-    if (!crtc->transform_in_use)

-    {

-	/* Validate against [xy]1 after [xy]2, to be sure that results are > 0 for [xy]1 > 0 */

-	if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) {

-	    if (newX > crtc->panningTotalArea.x2 - width)

-		newX =  crtc->panningTotalArea.x2 - width;

-	    if (newX <  crtc->panningTotalArea.x1)

-		newX =  crtc->panningTotalArea.x1;

-	}

-	if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) {

-	    if (newY > crtc->panningTotalArea.y2 - height)

-		newY =  crtc->panningTotalArea.y2 - height;

-	    if (newY <  crtc->panningTotalArea.y1)

-		newY =  crtc->panningTotalArea.y1;

-	}

-    }

-    if (newX != crtc->x || newY != crtc->y)

-	xf86CrtcSetOrigin (crtc, newX, newY);

-}

-

-static Bool

-xf86RandR12GetInfo (ScreenPtr pScreen, Rotation *rotations)

-{

-    RRScreenSizePtr	    pSize;

-    ScrnInfoPtr		    scrp = XF86SCRNINFO(pScreen);

-    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);

-    DisplayModePtr	    mode;

-    int			    refresh0 = 60;

-    int			    maxX = 0, maxY = 0;

-

-    *rotations = randrp->supported_rotations;

-

-    if (randrp->virtualX == -1 || randrp->virtualY == -1)

-    {

-	randrp->virtualX = scrp->virtualX;

-	randrp->virtualY = scrp->virtualY;

-    }

-

-    /* Re-probe the outputs for new monitors or modes */

-    if (scrp->vtSema)

-    {

-	xf86ProbeOutputModes (scrp, 0, 0);

-	xf86SetScrnInfoModes (scrp);

-    }

-

-    for (mode = scrp->modes; ; mode = mode->next)

-    {

-	int refresh = xf86RandR12ModeRefresh (mode);

-	if (randrp->maxX == 0 || randrp->maxY == 0)

-	{

-		if (maxX < mode->HDisplay)

-			maxX = mode->HDisplay;

-		if (maxY < mode->VDisplay)

-			maxY = mode->VDisplay;

-	}

-	if (mode == scrp->modes)

-	    refresh0 = refresh;

-	pSize = RRRegisterSize (pScreen,

-				mode->HDisplay, mode->VDisplay,

-				randrp->mmWidth, randrp->mmHeight);

-	if (!pSize)

-	    return FALSE;

-	RRRegisterRate (pScreen, pSize, refresh);

-

-	if (xf86ModesEqual(mode, scrp->currentMode))

-	{

-	    RRSetCurrentConfig (pScreen, randrp->rotation, refresh, pSize);

-	}

-	if (mode->next == scrp->modes)

-	    break;

-    }

-

-    if (randrp->maxX == 0 || randrp->maxY == 0)

-    {

-	randrp->maxX = maxX;

-	randrp->maxY = maxY;

-    }

-

-    return TRUE;

-}

-

-static Bool

-xf86RandR12SetMode (ScreenPtr	    pScreen,

-		  DisplayModePtr    mode,

-		  Bool		    useVirtual,

-		  int		    mmWidth,

-		  int		    mmHeight)

-{

-    ScrnInfoPtr		scrp = XF86SCRNINFO(pScreen);

-    XF86RandRInfoPtr	randrp = XF86RANDRINFO(pScreen);

-    int			oldWidth = pScreen->width;

-    int			oldHeight = pScreen->height;

-    int			oldmmWidth = pScreen->mmWidth;

-    int			oldmmHeight = pScreen->mmHeight;

-    WindowPtr		pRoot = pScreen->root;

-    DisplayModePtr      currentMode = NULL;

-    Bool 		ret = TRUE;

-

-    if (pRoot)

-	(*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE);

-    if (useVirtual)

-    {

-	scrp->virtualX = randrp->virtualX;

-	scrp->virtualY = randrp->virtualY;

-    }

-    else

-    {

-	scrp->virtualX = mode->HDisplay;

-	scrp->virtualY = mode->VDisplay;

-    }

-

-    if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270))

-    {

-	/* If the screen is rotated 90 or 270 degrees, swap the sizes. */

-	pScreen->width = scrp->virtualY;

-	pScreen->height = scrp->virtualX;

-	pScreen->mmWidth = mmHeight;

-	pScreen->mmHeight = mmWidth;

-    }

-    else

-    {

-	pScreen->width = scrp->virtualX;

-	pScreen->height = scrp->virtualY;

-	pScreen->mmWidth = mmWidth;

-	pScreen->mmHeight = mmHeight;

-    }

-    if (scrp->currentMode == mode) {

-        /* Save current mode */

-        currentMode = scrp->currentMode;

-        /* Reset, just so we ensure the drivers SwitchMode is called */

-        scrp->currentMode = NULL;

-    }

-    /*

-     * We know that if the driver failed to SwitchMode to the rotated

-     * version, then it should revert back to it's prior mode.

-     */

-    if (!xf86SwitchMode (pScreen, mode))

-    {

-        ret = FALSE;

-	scrp->virtualX = pScreen->width = oldWidth;

-	scrp->virtualY = pScreen->height = oldHeight;

-	pScreen->mmWidth = oldmmWidth;

-	pScreen->mmHeight = oldmmHeight;

-        scrp->currentMode = currentMode;

-    }

-

-    /*

-     * Make sure the layout is correct

-     */

-    xf86ReconfigureLayout();

-

-    /*

-     * Make sure the whole screen is visible

-     */

-    xf86SetViewport (pScreen, pScreen->width, pScreen->height);

-    xf86SetViewport (pScreen, 0, 0);

-    if (pRoot)

-	(*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE);

-    return ret;

-}

-

-Bool

-xf86RandR12SetConfig (ScreenPtr		pScreen,

-		    Rotation		rotation,

-		    int			rate,

-		    RRScreenSizePtr	pSize)

-{

-    ScrnInfoPtr		scrp = XF86SCRNINFO(pScreen);

-    XF86RandRInfoPtr	randrp = XF86RANDRINFO(pScreen);

-    DisplayModePtr	mode;

-    int			pos[MAXDEVICES][2];

-    Bool		useVirtual = FALSE;

-    int			maxX = 0, maxY = 0;

-    Rotation		oldRotation = randrp->rotation;

-    DeviceIntPtr	dev;

-    Bool		view_adjusted = FALSE;

-

-    randrp->rotation = rotation;

-

-    if (randrp->virtualX == -1 || randrp->virtualY == -1)

-    {

-	randrp->virtualX = scrp->virtualX;

-	randrp->virtualY = scrp->virtualY;

-    }

-

-    for (dev = inputInfo.devices; dev; dev = dev->next)

-    {

-	if (!IsMaster(dev) && !IsFloating(dev))

-		continue;

-

-	miPointerGetPosition(dev, &pos[dev->id][0], &pos[dev->id][1]);

-    }

-

-    for (mode = scrp->modes; ; mode = mode->next)

-    {

-	if (randrp->maxX == 0 || randrp->maxY == 0)

-	{

-		if (maxX < mode->HDisplay)

-			maxX = mode->HDisplay;

-		if (maxY < mode->VDisplay)

-			maxY = mode->VDisplay;

-	}

-	if (mode->HDisplay == pSize->width &&

-	    mode->VDisplay == pSize->height &&

-	    (rate == 0 || xf86RandR12ModeRefresh (mode) == rate))

-	    break;

-	if (mode->next == scrp->modes)

-	{

-	    if (pSize->width == randrp->virtualX &&

-		pSize->height == randrp->virtualY)

-	    {

-		mode = scrp->modes;

-		useVirtual = TRUE;

-		break;

-	    }

-    	    if (randrp->maxX == 0 || randrp->maxY == 0)

-    	    {

-		randrp->maxX = maxX;

-		randrp->maxY = maxY;

-    	    }

-	    return FALSE;

-	}

-    }

-

-    if (randrp->maxX == 0 || randrp->maxY == 0)

-    {

-	randrp->maxX = maxX;

-	randrp->maxY = maxY;

-    }

-

-    if (!xf86RandR12SetMode (pScreen, mode, useVirtual, pSize->mmWidth,

-			   pSize->mmHeight)) {

-        randrp->rotation = oldRotation;

-	return FALSE;

-    }

-

-    /*

-     * Move the cursor back where it belongs; SwitchMode repositions it

-     * FIXME: duplicated code, see modes/xf86RandR12.c

-     */

-    for (dev = inputInfo.devices; dev; dev = dev->next)

-    {

-	if (!IsMaster(dev) && !IsFloating(dev))

-		continue;

-

-	if (pScreen == miPointerGetScreen(dev)) {

-	    int px = pos[dev->id][0];

-	    int py = pos[dev->id][1];

-

-	    px = (px >= pScreen->width ? (pScreen->width - 1) : px);

-	    py = (py >= pScreen->height ? (pScreen->height - 1) : py);

-

-	    /* Setting the viewpoint makes only sense on one device */

-	    if (!view_adjusted && IsMaster(dev)) {

-		xf86SetViewport(pScreen, px, py);

-		view_adjusted = TRUE;

-	    }

-

-	    (*pScreen->SetCursorPosition) (dev, pScreen, px, py, FALSE);

-	}

-    }

-

-    return TRUE;

-}

-

-static Bool

-xf86RandR12ScreenSetSize (ScreenPtr	pScreen,

-			CARD16		width,

-			CARD16		height,

-			CARD32		mmWidth,

-			CARD32		mmHeight)

-{

-    XF86RandRInfoPtr	randrp = XF86RANDRINFO(pScreen);

-    ScrnInfoPtr		pScrn = XF86SCRNINFO(pScreen);

-    xf86CrtcConfigPtr	config = XF86_CRTC_CONFIG_PTR(pScrn);

-    WindowPtr		pRoot = pScreen->root;

-    PixmapPtr		pScrnPix;

-    Bool		ret = FALSE;

-    int                 c;

-

-    if (xf86RandR12Key) {

-        if (randrp->virtualX == -1 || randrp->virtualY == -1)

-        {

-	    randrp->virtualX = pScrn->virtualX;

-	    randrp->virtualY = pScrn->virtualY;

-        }

-    }

-    if (pRoot && pScrn->vtSema)

-	(*pScrn->EnableDisableFBAccess) (pScreen->myNum, FALSE);

-

-    /* Let the driver update virtualX and virtualY */

-    if (!(*config->funcs->resize)(pScrn, width, height))

-	goto finish;

-

-    ret = TRUE;

-    /* Update panning information */

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

-	xf86CrtcPtr crtc = config->crtc[c];

-	if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1 ||

-	    crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) {

-	    if (crtc->panningTotalArea.x2 > crtc->panningTrackingArea.x1)

-		crtc->panningTotalArea.x2 += width  - pScreen->width;

-	    if (crtc->panningTotalArea.y2 > crtc->panningTrackingArea.y1)

-		crtc->panningTotalArea.y2 += height - pScreen->height;

-	    if (crtc->panningTrackingArea.x2 > crtc->panningTrackingArea.x1)

-		crtc->panningTrackingArea.x2 += width  - pScreen->width;

-	    if (crtc->panningTrackingArea.y2 > crtc->panningTrackingArea.y1)

-		crtc->panningTrackingArea.y2 += height - pScreen->height;

-	    xf86RandR13VerifyPanningArea (crtc, width, height);

-	    xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY);

-	}

-    }

-

-    pScrnPix = (*pScreen->GetScreenPixmap)(pScreen);

-    pScreen->width = pScrnPix->drawable.width = width;

-    pScreen->height = pScrnPix->drawable.height = height;

-    randrp->mmWidth = pScreen->mmWidth = mmWidth;

-    randrp->mmHeight = pScreen->mmHeight = mmHeight;

-

-    xf86SetViewport (pScreen, pScreen->width-1, pScreen->height-1);

-    xf86SetViewport (pScreen, 0, 0);

-

-finish:

-    if (pRoot && pScrn->vtSema)

-	(*pScrn->EnableDisableFBAccess) (pScreen->myNum, TRUE);

-#if RANDR_12_INTERFACE

-    if (xf86RandR12Key && pScreen->root && ret)

-	RRScreenSizeNotify (pScreen);

-#endif

-    return ret;

-}

-

-Rotation

-xf86RandR12GetRotation(ScreenPtr pScreen)

-{

-    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);

-

-    return randrp->rotation;

-}

-

-Bool

-xf86RandR12CreateScreenResources (ScreenPtr pScreen)

-{

-    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];

-    xf86CrtcConfigPtr   config;

-    XF86RandRInfoPtr	randrp;

-    int			c;

-    int			width, height;

-    int			mmWidth, mmHeight;

-#ifdef PANORAMIX

-    /* XXX disable RandR when using Xinerama */

-    if (!noPanoramiXExtension)

-	return TRUE;

-#endif

-

-    config = XF86_CRTC_CONFIG_PTR(pScrn);

-    randrp = XF86RANDRINFO(pScreen);

-    /*

-     * Compute size of screen

-     */

-    width = 0; height = 0;

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

-    {

-	xf86CrtcPtr crtc = config->crtc[c];

-	int	    crtc_width = crtc->x + xf86ModeWidth (&crtc->mode, crtc->rotation);

-	int	    crtc_height = crtc->y + xf86ModeHeight (&crtc->mode, crtc->rotation);

-	

-	if (crtc->enabled) {

-	    if (crtc_width > width)

-		width = crtc_width;

-	    if (crtc_height > height)

-		height = crtc_height;

-	    if (crtc->panningTotalArea.x2 > width)

-		width = crtc->panningTotalArea.x2;

-	    if (crtc->panningTotalArea.y2 > height)

-		height = crtc->panningTotalArea.y2;

-	}

-    }

-    

-    if (width && height)

-    {

-	/*

-	 * Compute physical size of screen

-	 */

-	if (monitorResolution) 

-	{

-	    mmWidth = width * 25.4 / monitorResolution;

-	    mmHeight = height * 25.4 / monitorResolution;

-	}

-	else

-	{

-	    xf86OutputPtr   output = xf86CompatOutput(pScrn);

-

-	    if (output &&

-		output->conf_monitor &&

-		(output->conf_monitor->mon_width  > 0 &&

-		 output->conf_monitor->mon_height > 0))

-	    {

-		/*

-		 * Prefer user configured DisplaySize

-		 */

-		mmWidth = output->conf_monitor->mon_width;

-		mmHeight = output->conf_monitor->mon_height;

-	    }

-	    else

-	    {

-		/*

-		 * Otherwise, just set the screen to DEFAULT_DPI

-		 */

-		mmWidth = width * 25.4 / DEFAULT_DPI;

-		mmHeight = height * 25.4 / DEFAULT_DPI;

-	    }

-	}

-	xf86DrvMsg(pScrn->scrnIndex, X_INFO,

-		   "Setting screen physical size to %d x %d\n",

-		   mmWidth, mmHeight);

-	/*

-	 * This is the initial setting of the screen size.

-	 * We have to pre-set it here, otherwise panning would be adapted

-	 * to the new screen size.

-	 */

-	pScreen->width  = width;

-	pScreen->height = height;

-	xf86RandR12ScreenSetSize (pScreen,

-				  width,

-				  height,

-				  mmWidth,

-				  mmHeight);

-    }

-

-    if (xf86RandR12Key == NULL)

-	return TRUE;

-

-    if (randrp->virtualX == -1 || randrp->virtualY == -1)

-    {

-	randrp->virtualX = pScrn->virtualX;

-	randrp->virtualY = pScrn->virtualY;

-    }

-    xf86CrtcSetScreenSubpixelOrder (pScreen);

-#if RANDR_12_INTERFACE

-    if (xf86RandR12CreateScreenResources12 (pScreen))

-	return TRUE;

-#endif

-    return TRUE;

-}

-

-

-Bool

-xf86RandR12Init (ScreenPtr pScreen)

-{

-    rrScrPrivPtr	rp;

-    XF86RandRInfoPtr	randrp;

-

-#ifdef PANORAMIX

-    /* XXX disable RandR when using Xinerama */

-    if (!noPanoramiXExtension)

-    {

-        if (xf86NumScreens == 1)

-            noPanoramiXExtension = TRUE;

-        else

-            return TRUE;

-    }

-#endif

-

-    if (xf86RandR12Generation != serverGeneration)

-	xf86RandR12Generation = serverGeneration;

-

-    xf86RandR12Key = &xf86RandR12KeyRec;

-    if (!dixRegisterPrivateKey(&xf86RandR12KeyRec, PRIVATE_SCREEN, 0))

-	return FALSE;

-

-    randrp = malloc(sizeof (XF86RandRInfoRec));

-    if (!randrp)

-	return FALSE;

-

-    if (!RRScreenInit(pScreen))

-    {

-	free(randrp);

-	return FALSE;

-    }

-    rp = rrGetScrPriv(pScreen);

-    rp->rrGetInfo = xf86RandR12GetInfo;

-    rp->rrSetConfig = xf86RandR12SetConfig;

-

-    randrp->virtualX = -1;

-    randrp->virtualY = -1;

-    randrp->mmWidth = pScreen->mmWidth;

-    randrp->mmHeight = pScreen->mmHeight;

-

-    randrp->rotation = RR_Rotate_0; /* initial rotated mode */

-

-    randrp->supported_rotations = RR_Rotate_0;

-

-    randrp->maxX = randrp->maxY = 0;

-

-    dixSetPrivate(&pScreen->devPrivates, xf86RandR12Key, randrp);

-

-#if RANDR_12_INTERFACE

-    if (!xf86RandR12Init12 (pScreen))

-	return FALSE;

-#endif

-    return TRUE;

-}

-

-void

-xf86RandR12CloseScreen (ScreenPtr pScreen)

-{

-    XF86RandRInfoPtr	randrp;

-

-    if (xf86RandR12Key == NULL)

-	return;

-

-    randrp = XF86RANDRINFO(pScreen);

-#if RANDR_12_INTERFACE

-    xf86Screens[pScreen->myNum]->EnterVT = randrp->orig_EnterVT;

-#endif

-

-    free(randrp);

-}

-

-void

-xf86RandR12SetRotations (ScreenPtr pScreen, Rotation rotations)

-{

-    XF86RandRInfoPtr	randrp;

-#if RANDR_12_INTERFACE

-    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];

-    int			c;

-    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);

-#endif

-

-    if (xf86RandR12Key == NULL)

-	return;

-

-    randrp = XF86RANDRINFO(pScreen);

-#if RANDR_12_INTERFACE

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

-	xf86CrtcPtr    crtc = config->crtc[c];

-

-	RRCrtcSetRotations (crtc->randr_crtc, rotations);

-    }

-#endif

-    randrp->supported_rotations = rotations;

-}

-

-void

-xf86RandR12SetTransformSupport (ScreenPtr pScreen, Bool transforms)

-{

-    XF86RandRInfoPtr	randrp;

-#if RANDR_13_INTERFACE

-    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];

-    int			c;

-    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);

-#endif

-

-    if (xf86RandR12Key == NULL)

-	return;

-

-    randrp = XF86RANDRINFO(pScreen);

-#if RANDR_13_INTERFACE

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

-	xf86CrtcPtr    crtc = config->crtc[c];

-

-	RRCrtcSetTransformSupport (crtc->randr_crtc, transforms);

-    }

-#endif

-}

-

-void

-xf86RandR12GetOriginalVirtualSize(ScrnInfoPtr pScrn, int *x, int *y)

-{

-    ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex];

-

-    if (xf86RandR12Generation != serverGeneration ||

-	XF86RANDRINFO(pScreen)->virtualX == -1)

-    {

-	*x = pScrn->virtualX;

-	*y = pScrn->virtualY;

-    } else {

-	XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);

-

-	*x = randrp->virtualX;

-	*y = randrp->virtualY;

-    }

-}

-

-#if RANDR_12_INTERFACE

-

-#define FLAG_BITS (RR_HSyncPositive | \

-		   RR_HSyncNegative | \

-		   RR_VSyncPositive | \

-		   RR_VSyncNegative | \

-		   RR_Interlace | \

-		   RR_DoubleScan | \

-		   RR_CSync | \

-		   RR_CSyncPositive | \

-		   RR_CSyncNegative | \

-		   RR_HSkewPresent | \

-		   RR_BCast | \

-		   RR_PixelMultiplex | \

-		   RR_DoubleClock | \

-		   RR_ClockDivideBy2)

-

-static Bool

-xf86RandRModeMatches (RRModePtr		randr_mode,

-		      DisplayModePtr	mode)

-{

-#if 0

-    if (match_name)

-    {

-	/* check for same name */

-	int	len = strlen (mode->name);

-	if (randr_mode->mode.nameLength != len)			return FALSE;

-	if (memcmp (randr_mode->name, mode->name, len) != 0)	return FALSE;

-    }

-#endif

-    

-    /* check for same timings */

-    if (randr_mode->mode.dotClock / 1000 != mode->Clock)    return FALSE;

-    if (randr_mode->mode.width        != mode->HDisplay)    return FALSE;

-    if (randr_mode->mode.hSyncStart   != mode->HSyncStart)  return FALSE;

-    if (randr_mode->mode.hSyncEnd     != mode->HSyncEnd)    return FALSE;

-    if (randr_mode->mode.hTotal       != mode->HTotal)	    return FALSE;

-    if (randr_mode->mode.hSkew        != mode->HSkew)	    return FALSE;

-    if (randr_mode->mode.height       != mode->VDisplay)    return FALSE;

-    if (randr_mode->mode.vSyncStart   != mode->VSyncStart)  return FALSE;

-    if (randr_mode->mode.vSyncEnd     != mode->VSyncEnd)    return FALSE;

-    if (randr_mode->mode.vTotal       != mode->VTotal)	    return FALSE;

-    

-    /* check for same flags (using only the XF86 valid flag bits) */

-    if ((randr_mode->mode.modeFlags & FLAG_BITS) != (mode->Flags & FLAG_BITS))

-	return FALSE;

-    

-    /* everything matches */

-    return TRUE;

-}

-

-static Bool

-xf86RandR12CrtcNotify (RRCrtcPtr	randr_crtc)

-{

-    ScreenPtr		pScreen = randr_crtc->pScreen;

-    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];

-    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);

-    RRModePtr		randr_mode = NULL;

-    int			x;

-    int			y;

-    Rotation		rotation;

-    int			numOutputs;

-    RROutputPtr		*randr_outputs;

-    RROutputPtr		randr_output;

-    xf86CrtcPtr		crtc = randr_crtc->devPrivate;

-    xf86OutputPtr	output;

-    int			i, j;

-    DisplayModePtr	mode = &crtc->mode;

-    Bool		ret;

-

-    randr_outputs = malloc(config->num_output * sizeof (RROutputPtr));

-    if (!randr_outputs)

-	return FALSE;

-    x = crtc->x;

-    y = crtc->y;

-    rotation = crtc->rotation;

-    numOutputs = 0;

-    randr_mode = NULL;

-    for (i = 0; i < config->num_output; i++)

-    {

-	output = config->output[i];

-	if (output->crtc == crtc)

-	{

-	    randr_output = output->randr_output;

-	    randr_outputs[numOutputs++] = randr_output;

-	    /*

-	     * We make copies of modes, so pointer equality 

-	     * isn't sufficient

-	     */

-	    for (j = 0; j < randr_output->numModes + randr_output->numUserModes; j++)

-	    {

-		RRModePtr   m = (j < randr_output->numModes ?

-				 randr_output->modes[j] :

-				 randr_output->userModes[j-randr_output->numModes]);

-					 

-		if (xf86RandRModeMatches (m, mode))

-		{

-		    randr_mode = m;

-		    break;

-		}

-	    }

-	}

-    }

-    ret = RRCrtcNotify (randr_crtc, randr_mode, x, y,

-			rotation, 

-			crtc->transformPresent ? &crtc->transform : NULL,

-			numOutputs, randr_outputs);

-    free(randr_outputs);

-    return ret;

-}

-

-/*

- * Convert a RandR mode to a DisplayMode

- */

-static void

-xf86RandRModeConvert (ScrnInfoPtr	scrn,

-		      RRModePtr		randr_mode,

-		      DisplayModePtr	mode)

-{

-    memset(mode, 0, sizeof(DisplayModeRec));

-    mode->status = MODE_OK;

-

-    mode->Clock = randr_mode->mode.dotClock / 1000;

-    

-    mode->HDisplay = randr_mode->mode.width;

-    mode->HSyncStart = randr_mode->mode.hSyncStart;

-    mode->HSyncEnd = randr_mode->mode.hSyncEnd;

-    mode->HTotal = randr_mode->mode.hTotal;

-    mode->HSkew = randr_mode->mode.hSkew;

-    

-    mode->VDisplay = randr_mode->mode.height;

-    mode->VSyncStart = randr_mode->mode.vSyncStart;

-    mode->VSyncEnd = randr_mode->mode.vSyncEnd;

-    mode->VTotal = randr_mode->mode.vTotal;

-    mode->VScan = 0;

-

-    mode->Flags = randr_mode->mode.modeFlags & FLAG_BITS;

-

-    xf86SetModeCrtc (mode, scrn->adjustFlags);

-}

-

-static Bool

-xf86RandR12CrtcSet (ScreenPtr	    pScreen,

-		    RRCrtcPtr	    randr_crtc,

-		    RRModePtr	    randr_mode,

-		    int		    x,

-		    int		    y,

-		    Rotation	    rotation,

-		    int		    num_randr_outputs,

-		    RROutputPtr	    *randr_outputs)

-{

-    XF86RandRInfoPtr	randrp = XF86RANDRINFO(pScreen);

-    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];

-    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);

-    xf86CrtcPtr		crtc = randr_crtc->devPrivate;

-    RRTransformPtr	transform;

-    Bool		changed = FALSE;

-    int			o, ro;

-    xf86CrtcPtr		*save_crtcs;

-    Bool		save_enabled = crtc->enabled;

-

-    if (!crtc->scrn->vtSema)

-	return FALSE;

-

-    save_crtcs = malloc(config->num_output * sizeof (xf86CrtcPtr));

-    if ((randr_mode != NULL) != crtc->enabled)

-	changed = TRUE;

-    else if (randr_mode && !xf86RandRModeMatches (randr_mode, &crtc->mode))

-	changed = TRUE;

-    

-    if (rotation != crtc->rotation)

-	changed = TRUE;

-

-    transform = RRCrtcGetTransform (randr_crtc);

-    if ((transform != NULL) != crtc->transformPresent)

-	changed = TRUE;

-    else if (transform && memcmp (&transform->transform, &crtc->transform.transform,

-				  sizeof (transform->transform)) != 0)

-	changed = TRUE;

-

-    if (x != crtc->x || y != crtc->y)

-	changed = TRUE;

-    for (o = 0; o < config->num_output; o++) 

-    {

-	xf86OutputPtr  output = config->output[o];

-	xf86CrtcPtr    new_crtc;

-

-	save_crtcs[o] = output->crtc;

-	

-	if (output->crtc == crtc)

-	    new_crtc = NULL;

-	else

-	    new_crtc = output->crtc;

-	for (ro = 0; ro < num_randr_outputs; ro++) 

-	    if (output->randr_output == randr_outputs[ro])

-	    {

-		new_crtc = crtc;

-		break;

-	    }

-	if (new_crtc != output->crtc)

-	{

-	    changed = TRUE;

-	    output->crtc = new_crtc;

-	}

-    }

-    for (ro = 0; ro < num_randr_outputs; ro++) 

-        if (randr_outputs[ro]->pendingProperties)

-	    changed = TRUE;

-

-    /* XXX need device-independent mode setting code through an API */

-    if (changed)

-    {

-	crtc->enabled = randr_mode != NULL;

-

-	if (randr_mode)

-	{

-	    DisplayModeRec  mode;

-	    RRTransformPtr  transform = RRCrtcGetTransform (randr_crtc);

-

-	    xf86RandRModeConvert (pScrn, randr_mode, &mode);

-	    if (!xf86CrtcSetModeTransform (crtc, &mode, rotation, transform, x, y))

-	    {

-		crtc->enabled = save_enabled;

-		for (o = 0; o < config->num_output; o++)

-		{

-		    xf86OutputPtr	output = config->output[o];

-		    output->crtc = save_crtcs[o];

-		}

-		free(save_crtcs);

-		return FALSE;

-	    }

-	    xf86RandR13VerifyPanningArea (crtc, pScreen->width, pScreen->height);

-	    xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY);

-	    /*

-	     * Save the last successful setting for EnterVT

-	     */

-	    crtc->desiredMode = mode;

-	    crtc->desiredRotation = rotation;

-	    if (transform) {

-		crtc->desiredTransform = *transform;

-		crtc->desiredTransformPresent = TRUE;

-	    } else

-		crtc->desiredTransformPresent = FALSE;

-

-	    crtc->desiredX = x;

-	    crtc->desiredY = y;

-	}

-	xf86DisableUnusedFunctions (pScrn);

-    }

-    free(save_crtcs);

-    return xf86RandR12CrtcNotify (randr_crtc);

-}

-

-static Bool

-xf86RandR12CrtcSetGamma (ScreenPtr    pScreen,

-			 RRCrtcPtr    randr_crtc)

-{

-    xf86CrtcPtr		crtc = randr_crtc->devPrivate;

-

-    if (crtc->funcs->gamma_set == NULL)

-	return FALSE;

-

-    if (!crtc->scrn->vtSema)

-	return TRUE;

-

-    /* Realloc local gamma if needed. */

-    if (randr_crtc->gammaSize != crtc->gamma_size) {

-        CARD16 *tmp_ptr;

-        tmp_ptr = realloc(crtc->gamma_red, 3 * crtc->gamma_size * sizeof (CARD16));

-        if (!tmp_ptr)

-            return FALSE;

-        crtc->gamma_red = tmp_ptr;

-        crtc->gamma_green = crtc->gamma_red + crtc->gamma_size;

-        crtc->gamma_blue = crtc->gamma_green + crtc->gamma_size;

-    }

-

-    crtc->gamma_size = randr_crtc->gammaSize;

-    memcpy (crtc->gamma_red, randr_crtc->gammaRed, crtc->gamma_size * sizeof (CARD16));

-    memcpy (crtc->gamma_green, randr_crtc->gammaGreen, crtc->gamma_size * sizeof (CARD16));

-    memcpy (crtc->gamma_blue, randr_crtc->gammaBlue, crtc->gamma_size * sizeof (CARD16));

-

-    /* Only set it when the crtc is actually running.

-     * Otherwise it will be set when it's activated.

-     */

-    if (crtc->active)

-	crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green,

-						crtc->gamma_blue, crtc->gamma_size);

-

-    return TRUE;

-}

-

-static Bool

-xf86RandR12CrtcGetGamma (ScreenPtr    pScreen,

-			 RRCrtcPtr    randr_crtc)

-{

-    xf86CrtcPtr crtc = randr_crtc->devPrivate;

-

-    if (!crtc->gamma_size)

-        return FALSE;

-

-    if (!crtc->gamma_red || !crtc->gamma_green || !crtc->gamma_blue)

-        return FALSE;

-

-    /* Realloc randr gamma if needed. */

-    if (randr_crtc->gammaSize != crtc->gamma_size) {

-        CARD16 *tmp_ptr;

-        tmp_ptr = realloc(randr_crtc->gammaRed, 3 * crtc->gamma_size * sizeof (CARD16));

-        if (!tmp_ptr)

-            return FALSE;

-        randr_crtc->gammaRed = tmp_ptr;

-        randr_crtc->gammaGreen = randr_crtc->gammaRed + crtc->gamma_size;

-        randr_crtc->gammaBlue = randr_crtc->gammaGreen + crtc->gamma_size;

-    }

-    randr_crtc->gammaSize = crtc->gamma_size;

-    memcpy (randr_crtc->gammaRed, crtc->gamma_red, crtc->gamma_size * sizeof (CARD16));

-    memcpy (randr_crtc->gammaGreen, crtc->gamma_green, crtc->gamma_size * sizeof (CARD16));

-    memcpy (randr_crtc->gammaBlue, crtc->gamma_blue, crtc->gamma_size * sizeof (CARD16));

-

-    return TRUE;

-}

-

-static Bool

-xf86RandR12OutputSetProperty (ScreenPtr pScreen,

-			      RROutputPtr randr_output,

-			      Atom property,

-			      RRPropertyValuePtr value)

-{

-    xf86OutputPtr output = randr_output->devPrivate;

-

-    /* If we don't have any property handler, then we don't care what the

-     * user is setting properties to.

-     */

-    if (output->funcs->set_property == NULL)

-	return TRUE;

-

-    /*

-     * This function gets called even when vtSema is FALSE, as

-     * drivers will need to remember the correct value to apply

-     * when the VT switch occurs

-     */

-    return output->funcs->set_property(output, property, value);

-}

-

-static Bool

-xf86RandR13OutputGetProperty (ScreenPtr pScreen,

-			      RROutputPtr randr_output,

-			      Atom property)

-{

-    xf86OutputPtr output = randr_output->devPrivate;

-

-    if (output->funcs->get_property == NULL)

-	return TRUE;

-

-    /* Should be safe even w/o vtSema */

-    return output->funcs->get_property(output, property);

-}

-

-static Bool

-xf86RandR12OutputValidateMode (ScreenPtr    pScreen,

-			       RROutputPtr  randr_output,

-			       RRModePtr    randr_mode)

-{

-    ScrnInfoPtr	    pScrn = xf86Screens[pScreen->myNum];

-    xf86OutputPtr   output = randr_output->devPrivate;

-    DisplayModeRec  mode;

-

-    xf86RandRModeConvert (pScrn, randr_mode, &mode);

-    /*

-     * This function may be called when vtSema is FALSE, so

-     * the underlying function must either avoid touching the hardware

-     * or return FALSE when vtSema is FALSE

-     */

-    if (output->funcs->mode_valid (output, &mode) != MODE_OK)

-	return FALSE;

-    return TRUE;

-}

-

-static void

-xf86RandR12ModeDestroy (ScreenPtr pScreen, RRModePtr randr_mode)

-{

-}

-

-/**

- * Given a list of xf86 modes and a RandR Output object, construct

- * RandR modes and assign them to the output

- */

-static Bool

-xf86RROutputSetModes (RROutputPtr randr_output, DisplayModePtr modes)

-{

-    DisplayModePtr  mode;

-    RRModePtr	    *rrmodes = NULL;

-    int		    nmode = 0;

-    int		    npreferred = 0;

-    Bool	    ret = TRUE;

-    int		    pref;

-

-    for (mode = modes; mode; mode = mode->next)

-	nmode++;

-

-    if (nmode) {

-	rrmodes = malloc(nmode * sizeof (RRModePtr));

-	

-	if (!rrmodes)

-	    return FALSE;

-	nmode = 0;

-

-	for (pref = 1; pref >= 0; pref--) {

-	    for (mode = modes; mode; mode = mode->next) {

-		if ((pref != 0) == ((mode->type & M_T_PREFERRED) != 0)) {

-		    xRRModeInfo		modeInfo;

-		    RRModePtr		rrmode;

-		    

-		    modeInfo.nameLength = strlen (mode->name);

-		    modeInfo.width = mode->HDisplay;

-		    modeInfo.dotClock = mode->Clock * 1000;

-		    modeInfo.hSyncStart = mode->HSyncStart;

-		    modeInfo.hSyncEnd = mode->HSyncEnd;

-		    modeInfo.hTotal = mode->HTotal;

-		    modeInfo.hSkew = mode->HSkew;

-

-		    modeInfo.height = mode->VDisplay;

-		    modeInfo.vSyncStart = mode->VSyncStart;

-		    modeInfo.vSyncEnd = mode->VSyncEnd;

-		    modeInfo.vTotal = mode->VTotal;

-		    modeInfo.modeFlags = mode->Flags;

-

-		    rrmode = RRModeGet (&modeInfo, mode->name);

-		    if (rrmode) {

-			rrmodes[nmode++] = rrmode;

-			npreferred += pref;

-		    }

-		}

-	    }

-	}

-    }

-    

-    ret = RROutputSetModes (randr_output, rrmodes, nmode, npreferred);

-    free(rrmodes);

-    return ret;

-}

-

-/*

- * Mirror the current mode configuration to RandR

- */

-static Bool

-xf86RandR12SetInfo12 (ScreenPtr pScreen)

-{

-    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];

-    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);

-    RROutputPtr		*clones;

-    RRCrtcPtr		*crtcs;

-    int			ncrtc;

-    int			o, c, l;

-    RRCrtcPtr		randr_crtc;

-    int			nclone;

-    

-    clones = malloc(config->num_output * sizeof (RROutputPtr));

-    crtcs = malloc(config->num_crtc * sizeof (RRCrtcPtr));

-    for (o = 0; o < config->num_output; o++)

-    {

-	xf86OutputPtr	output = config->output[o];

-	

-	ncrtc = 0;

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

-	    if (output->possible_crtcs & (1 << c))

-		crtcs[ncrtc++] = config->crtc[c]->randr_crtc;

-

-	if (output->crtc)

-	    randr_crtc = output->crtc->randr_crtc;

-	else

-	    randr_crtc = NULL;

-

-	if (!RROutputSetCrtcs (output->randr_output, crtcs, ncrtc))

-	{

-	    free(crtcs);

-	    free(clones);

-	    return FALSE;

-	}

-

-	RROutputSetPhysicalSize(output->randr_output, 

-				output->mm_width,

-				output->mm_height);

-	xf86RROutputSetModes (output->randr_output, output->probed_modes);

-

-	switch (output->status) {

-	case XF86OutputStatusConnected:

-	    RROutputSetConnection (output->randr_output, RR_Connected);

-	    break;

-	case XF86OutputStatusDisconnected:

-	    RROutputSetConnection (output->randr_output, RR_Disconnected);

-	    break;

-	case XF86OutputStatusUnknown:

-	    RROutputSetConnection (output->randr_output, RR_UnknownConnection);

-	    break;

-	}

-

-	RROutputSetSubpixelOrder (output->randr_output, output->subpixel_order);

-

-	/*

-	 * Valid clones

-	 */

-	nclone = 0;

-	for (l = 0; l < config->num_output; l++)

-	{

-	    xf86OutputPtr	    clone = config->output[l];

-	    

-	    if (l != o && (output->possible_clones & (1 << l)))

-		clones[nclone++] = clone->randr_output;

-	}

-	if (!RROutputSetClones (output->randr_output, clones, nclone))

-	{

-	    free(crtcs);

-	    free(clones);

-	    return FALSE;

-	}

-    }

-    free(crtcs);

-    free(clones);

-    return TRUE;

-}

-

-

-

-/*

- * Query the hardware for the current state, then mirror

- * that to RandR

- */

-static Bool

-xf86RandR12GetInfo12 (ScreenPtr pScreen, Rotation *rotations)

-{

-    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];

-

-    if (!pScrn->vtSema)

-	return TRUE;

-    xf86ProbeOutputModes (pScrn, 0, 0);

-    xf86SetScrnInfoModes (pScrn);

-    return xf86RandR12SetInfo12 (pScreen);

-}

-

-static Bool

-xf86RandR12CreateObjects12 (ScreenPtr pScreen)

-{

-    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];

-    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);

-    int			c;

-    int			o;

-    

-    if (!RRInit ())

-	return FALSE;

-

-    /*

-     * Configure crtcs

-     */

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

-    {

-	xf86CrtcPtr    crtc = config->crtc[c];

-	

-	crtc->randr_crtc = RRCrtcCreate (pScreen, crtc);

-	RRCrtcGammaSetSize (crtc->randr_crtc, 256);

-    }

-    /*

-     * Configure outputs

-     */

-    for (o = 0; o < config->num_output; o++)

-    {

-	xf86OutputPtr	output = config->output[o];

-

-	output->randr_output = RROutputCreate (pScreen, output->name, 

-					       strlen (output->name),

-					       output);

-

-	if (output->funcs->create_resources != NULL)

-	    output->funcs->create_resources(output);

-	RRPostPendingProperties (output->randr_output);

-    }

-    return TRUE;

-}

-

-static Bool

-xf86RandR12CreateScreenResources12 (ScreenPtr pScreen)

-{

-    int			c;

-    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];

-    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);

-

-    if (xf86RandR12Key == NULL)

-	return TRUE;

-

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

-        xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc);

-    

-    RRScreenSetSizeRange (pScreen, config->minWidth, config->minHeight,

-			  config->maxWidth, config->maxHeight);

-    return TRUE;

-}

-

-/*

- * Something happened within the screen configuration due

- * to DGA, VidMode or hot key. Tell RandR

- */

-

-void

-xf86RandR12TellChanged (ScreenPtr pScreen)

-{

-    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];

-    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);

-    int			c;

-

-    if (xf86RandR12Key == NULL)

-	return;

-

-    xf86RandR12SetInfo12 (pScreen);

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

-	xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc);

-

-    RRTellChanged (pScreen);

-}

-

-static void

-xf86RandR12PointerMoved (int scrnIndex, int x, int y)

-{

-    ScreenPtr		pScreen = screenInfo.screens[scrnIndex];

-    ScrnInfoPtr		pScrn   = XF86SCRNINFO(pScreen);

-    xf86CrtcConfigPtr	config  = XF86_CRTC_CONFIG_PTR(pScrn);

-    XF86RandRInfoPtr	randrp  = XF86RANDRINFO(pScreen);

-    int c;

-

-    randrp->pointerX = x;

-    randrp->pointerY = y;

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

-	xf86RandR13Pan (config->crtc[c], x, y);

-}

-

-static Bool

-xf86RandR13GetPanning (ScreenPtr           pScreen,

-		       RRCrtcPtr           randr_crtc,

-		       BoxPtr              totalArea,

-		       BoxPtr              trackingArea,

-		       INT16               *border)

-{

-    xf86CrtcPtr		crtc = randr_crtc->devPrivate;

-

-    if (crtc->version < 2)

-	return FALSE;

-    if (totalArea)

-	memcpy (totalArea,    &crtc->panningTotalArea,    sizeof(BoxRec));

-    if (trackingArea)

-	memcpy (trackingArea, &crtc->panningTrackingArea, sizeof(BoxRec));

-    if (border)

-	memcpy (border,        crtc->panningBorder,       4*sizeof(INT16));

-

-    return TRUE;

-}

-

-static Bool

-xf86RandR13SetPanning (ScreenPtr           pScreen,

-		       RRCrtcPtr           randr_crtc,

-		       BoxPtr              totalArea,

-		       BoxPtr              trackingArea,

-		       INT16               *border)

-{

-    XF86RandRInfoPtr	randrp  = XF86RANDRINFO(pScreen);

-    xf86CrtcPtr		crtc = randr_crtc->devPrivate;

-    BoxRec		oldTotalArea;

-    BoxRec		oldTrackingArea;

-    INT16		oldBorder[4];

-

-

-    if (crtc->version < 2)

-	return FALSE;

-

-    memcpy (&oldTotalArea,    &crtc->panningTotalArea,    sizeof(BoxRec));

-    memcpy (&oldTrackingArea, &crtc->panningTrackingArea, sizeof(BoxRec));

-    memcpy (oldBorder,         crtc->panningBorder,       4*sizeof(INT16));

-

-    if (totalArea)

-	memcpy (&crtc->panningTotalArea, totalArea, sizeof(BoxRec));

-    if (trackingArea)

-	memcpy (&crtc->panningTrackingArea, trackingArea, sizeof(BoxRec));

-    if (border)

-	memcpy (crtc->panningBorder, border, 4*sizeof(INT16));

-

-    if (xf86RandR13VerifyPanningArea (crtc, pScreen->width, pScreen->height)) {

-	xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY);

-	return TRUE;

-    } else {

-	/* Restore old settings */

-	memcpy (&crtc->panningTotalArea,    &oldTotalArea,    sizeof(BoxRec));

-	memcpy (&crtc->panningTrackingArea, &oldTrackingArea, sizeof(BoxRec));

-	memcpy (crtc->panningBorder,         oldBorder,       4*sizeof(INT16));

-	return FALSE;

-    }

-}

-

-/*

- * Compatibility with XF86VidMode's gamma changer.  This necessarily clobbers

- * any per-crtc setup.  You asked for it...

- */

-

-static void

-gamma_to_ramp(float gamma, CARD16 *ramp, int size)

-{

-    int i;

-

-    for (i = 0; i < size; i++) {

-	if (gamma == 1.0)

-	    ramp[i] = i << 8;

-	else

-	    ramp[i] = (CARD16)(pow((double)i / (double)(size - 1), 1. / gamma)

-			       * (double)(size - 1) * 256);

-    }

-}

-

-static int

-xf86RandR12ChangeGamma(int scrnIndex, Gamma gamma)

-{

-    CARD16 *points, *red, *green, *blue;

-    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];

-    RRCrtcPtr crtc = xf86CompatRRCrtc(pScrn);

-    int size;

-

-    if (!crtc)

-	return Success;

-

-    size = max(0, crtc->gammaSize);

-    if (!size)

-	return Success;

-

-    points = calloc(size, 3 * sizeof(CARD16));

-    if (!points)

-	return BadAlloc;

-

-    red = points;

-    green = points + size;

-    blue = points + 2 * size;

-

-    gamma_to_ramp(gamma.red, red, size);

-    gamma_to_ramp(gamma.green, green, size);

-    gamma_to_ramp(gamma.blue, blue, size);

-    RRCrtcGammaSet(crtc, red, green, blue);

-

-    free(points);

-

-    pScrn->gamma = gamma;

-

-    return Success;

-}

-

-static Bool

-xf86RandR12EnterVT (int screen_index, int flags)

-{

-    ScreenPtr        pScreen = screenInfo.screens[screen_index];

-    ScrnInfoPtr	     pScrn = xf86Screens[screen_index];

-    XF86RandRInfoPtr randrp  = XF86RANDRINFO(pScreen);

-    rrScrPrivPtr     rp = rrGetScrPriv(pScreen);

-    Bool	     ret;

-    int              i;

-

-    if (randrp->orig_EnterVT) {

-	pScrn->EnterVT = randrp->orig_EnterVT;

-	ret = pScrn->EnterVT (screen_index, flags);

-	randrp->orig_EnterVT = pScrn->EnterVT;

-	pScrn->EnterVT = xf86RandR12EnterVT;

-	if (!ret)

-	    return FALSE;

-    }

-

-    /* reload gamma */

-    for (i = 0; i < rp->numCrtcs; i++)

-	xf86RandR12CrtcSetGamma(pScreen, rp->crtcs[i]);

-

-    return RRGetInfo (pScreen, TRUE); /* force a re-probe of outputs and notify clients about changes */

-}

-

-static Bool

-xf86RandR12Init12 (ScreenPtr pScreen)

-{

-    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];

-    rrScrPrivPtr	rp = rrGetScrPriv(pScreen);

-    XF86RandRInfoPtr	randrp  = XF86RANDRINFO(pScreen);

-    int i;

-

-    rp->rrGetInfo = xf86RandR12GetInfo12;

-    rp->rrScreenSetSize = xf86RandR12ScreenSetSize;

-    rp->rrCrtcSet = xf86RandR12CrtcSet;

-    rp->rrCrtcSetGamma = xf86RandR12CrtcSetGamma;

-    rp->rrCrtcGetGamma = xf86RandR12CrtcGetGamma;

-    rp->rrOutputSetProperty = xf86RandR12OutputSetProperty;

-    rp->rrOutputValidateMode = xf86RandR12OutputValidateMode;

-#if RANDR_13_INTERFACE

-    rp->rrOutputGetProperty = xf86RandR13OutputGetProperty;

-    rp->rrGetPanning = xf86RandR13GetPanning;

-    rp->rrSetPanning = xf86RandR13SetPanning;

-#endif

-    rp->rrModeDestroy = xf86RandR12ModeDestroy;

-    rp->rrSetConfig = NULL;

-    pScrn->PointerMoved = xf86RandR12PointerMoved;

-    pScrn->ChangeGamma = xf86RandR12ChangeGamma;

-

-    randrp->orig_EnterVT = pScrn->EnterVT;

-    pScrn->EnterVT = xf86RandR12EnterVT;

-

-    if (!xf86RandR12CreateObjects12 (pScreen))

-	return FALSE;

-

-    /*

-     * Configure output modes

-     */

-    if (!xf86RandR12SetInfo12 (pScreen))

-	return FALSE;

-    for (i = 0; i < rp->numCrtcs; i++) {

-	xf86RandR12CrtcGetGamma(pScreen, rp->crtcs[i]);

-    }

-    return TRUE;

-}

-

-#endif

-

-Bool

-xf86RandR12PreInit (ScrnInfoPtr pScrn)

-{

-    return TRUE;

-}

+/*
+ * 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 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 "xf86.h"
+#include "os.h"
+#include "globals.h"
+#include "xf86Priv.h"
+#include "xf86DDC.h"
+#include "mipointer.h"
+#include "windowstr.h"
+#include "inputstr.h"
+#include <randrstr.h>
+#include <X11/extensions/render.h>
+
+#include "xf86Crtc.h"
+#include "xf86RandR12.h"
+
+typedef struct _xf86RandR12Info {
+    int				    virtualX;
+    int				    virtualY;
+    int				    mmWidth;
+    int				    mmHeight;
+    int				    maxX;
+    int				    maxY;
+    int				    pointerX;
+    int				    pointerY;
+    Rotation			    rotation; /* current mode */
+    Rotation                        supported_rotations; /* driver supported */
+
+    /* Used to wrap EnterVT so we can re-probe the outputs when a laptop unsuspends
+     * (actually, any time that we switch back into our VT).
+     *
+     * See https://bugs.freedesktop.org/show_bug.cgi?id=21554
+     */
+    xf86EnterVTProc *orig_EnterVT;
+} XF86RandRInfoRec, *XF86RandRInfoPtr;
+
+#ifdef RANDR_12_INTERFACE
+static Bool xf86RandR12Init12 (ScreenPtr pScreen);
+static Bool xf86RandR12CreateScreenResources12 (ScreenPtr pScreen);
+#endif
+
+static int xf86RandR12Generation;
+
+static DevPrivateKeyRec xf86RandR12KeyRec;
+static DevPrivateKey xf86RandR12Key;
+#define XF86RANDRINFO(p) ((XF86RandRInfoPtr) \
+    dixLookupPrivate(&(p)->devPrivates, xf86RandR12Key))
+
+
+static int
+xf86RandR12ModeRefresh (DisplayModePtr mode)
+{
+    if (mode->VRefresh)
+	return (int) (mode->VRefresh + 0.5);
+    else
+	return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5);
+}
+
+/* Adapt panning area; return TRUE if panning area was valid without adaption */
+static int
+xf86RandR13VerifyPanningArea (xf86CrtcPtr crtc, int screenWidth, int screenHeight)
+{
+    int ret = TRUE;
+
+    if (crtc->version < 2)
+	return FALSE;
+
+    if (crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1) {
+	/* Panning in X is disabled */
+	if (crtc->panningTotalArea.x1 || crtc->panningTotalArea.x2)
+	    /* Illegal configuration -> fail/disable */
+	    ret = FALSE;
+	crtc->panningTotalArea.x1    = crtc->panningTotalArea.x2    = 0;
+	crtc->panningTrackingArea.x1 = crtc->panningTrackingArea.x2 = 0;
+	crtc->panningBorder[0]       = crtc->panningBorder[2]       = 0;
+    } else {
+	/* Panning in X is enabled */
+	if (crtc->panningTotalArea.x1 < 0) {
+	    /* Panning region outside screen -> move inside */
+	    crtc->panningTotalArea.x2 -= crtc->panningTotalArea.x1;
+	    crtc->panningTotalArea.x1 = 0;
+	    ret = FALSE;
+	}
+	if (crtc->panningTotalArea.x2 < crtc->panningTotalArea.x1 + crtc->mode.HDisplay) {
+	    /* Panning region smaller than displayed area -> crop to displayed area */
+	    crtc->panningTotalArea.x2 = crtc->panningTotalArea.x1 + crtc->mode.HDisplay;
+	    ret = FALSE;
+	}
+	if (crtc->panningTotalArea.x2 > screenWidth) {
+	    /* Panning region larger than screen -> move inside, then crop to screen */
+	    crtc->panningTotalArea.x1 -= crtc->panningTotalArea.x2 - screenWidth;
+	    crtc->panningTotalArea.x2 = screenWidth;
+	    ret = FALSE;
+	    if (crtc->panningTotalArea.x1 < 0)
+		crtc->panningTotalArea.x1 = 0;
+	}
+	if (crtc->panningBorder[0] + crtc->panningBorder[2] > crtc->mode.HDisplay) {
+	    /* Borders too large -> set to 0 */
+	    crtc->panningBorder[0] = crtc->panningBorder[2] = 0;
+	    ret = FALSE;
+	}
+    }
+
+    if (crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1) {
+	/* Panning in Y is disabled */
+	if (crtc->panningTotalArea.y1 || crtc->panningTotalArea.y2)
+	    /* Illegal configuration -> fail/disable */
+	    ret = FALSE;
+	crtc->panningTotalArea.y1    = crtc->panningTotalArea.y2    = 0;
+	crtc->panningTrackingArea.y1 = crtc->panningTrackingArea.y2 = 0;
+	crtc->panningBorder[1]       = crtc->panningBorder[3]       = 0;
+    } else {
+	/* Panning in Y is enabled */
+	if (crtc->panningTotalArea.y1 < 0) {
+	    /* Panning region outside screen -> move inside */
+	    crtc->panningTotalArea.y2 -= crtc->panningTotalArea.y1;
+	    crtc->panningTotalArea.y1 = 0;
+	    ret = FALSE;
+	}
+	if (crtc->panningTotalArea.y2 < crtc->panningTotalArea.y1 + crtc->mode.VDisplay) {
+	    /* Panning region smaller than displayed area -> crop to displayed area */
+	    crtc->panningTotalArea.y2 = crtc->panningTotalArea.y1 + crtc->mode.VDisplay;
+	    ret = FALSE;
+	}
+	if (crtc->panningTotalArea.y2 > screenHeight) {
+	    /* Panning region larger than screen -> move inside, then crop to screen */
+	    crtc->panningTotalArea.y1 -= crtc->panningTotalArea.y2 - screenHeight;
+	    crtc->panningTotalArea.y2 = screenHeight;
+	    ret = FALSE;
+	    if (crtc->panningTotalArea.y1 < 0)
+		crtc->panningTotalArea.y1 = 0;
+	}
+	if (crtc->panningBorder[1] + crtc->panningBorder[3] > crtc->mode.VDisplay) {
+	    /* Borders too large -> set to 0 */
+	    crtc->panningBorder[1] = crtc->panningBorder[3] = 0;
+	    ret = FALSE;
+	}
+    }
+
+    return ret;
+}
+
+/*
+ * The heart of the panning operation:
+ *
+ * Given a frame buffer position (fb_x, fb_y),
+ * and a crtc position (crtc_x, crtc_y),
+ * and a transform matrix which maps frame buffer to crtc,
+ * compute a panning position (pan_x, pan_y) that
+ * makes the resulting transform line those two up
+ */
+
+static void
+xf86ComputeCrtcPan (Bool transform_in_use,
+		    struct pixman_f_transform *m,
+		    double screen_x, double screen_y,
+		    double crtc_x, double crtc_y,
+		    int old_pan_x, int old_pan_y,
+		    int *new_pan_x, int *new_pan_y)
+{
+    if (transform_in_use) {
+	/*
+	 * Given the current transform, M, the current position
+	 * on the Screen, S, and the desired position on the CRTC,
+	 * C, compute a translation, T, such that:
+	 *
+	 * M T S = C
+	 *
+	 * where T is of the form
+	 *
+	 * | 1 0 dx |
+	 * | 0 1 dy |
+	 * | 0 0 1  |
+	 *
+	 * M T S =
+	 *   | M00 Sx + M01 Sy + M00 dx + M01 dy + M02 |   | Cx F |
+	 *   | M10 Sx + M11 Sy + M10 dx + M11 dy + M12 | = | Cy F |
+	 *   | M20 Sx + M21 Sy + M20 dx + M21 dy + M22 |   |  F   |
+	 *
+	 * R = M S
+	 *
+	 *   Cx F = M00 dx + M01 dy + R0
+	 *   Cy F = M10 dx + M11 dy + R1
+	 *      F = M20 dx + M21 dy + R2
+	 *
+	 * Zero out dx, then dy
+	 *
+	 * F (Cx M10 - Cy M00) =
+	 *	    (M10 M01 - M00 M11) dy + M10 R0 - M00 R1
+	 * F (M10 - Cy M20) =
+	 *	    (M10 M21 - M20 M11) dy + M10 R2 - M20 R1
+	 *
+	 * F (Cx M11 - Cy M01) =
+	 *	    (M11 M00 - M01 M10) dx + M11 R0 - M01 R1
+	 * F (M11 - Cy M21) =
+	 *	    (M11 M20 - M21 M10) dx + M11 R2 - M21 R1
+	 *
+	 * Make some temporaries
+	 *
+	 * T = | Cx M10 - Cy M00 |
+	 *     | Cx M11 - Cy M01 |
+	 *
+	 * U = | M10 M01 - M00 M11 |
+	 *     | M11 M00 - M01 M10 |
+	 *
+	 * Q = | M10 R0 - M00 R1 |
+	 *     | M11 R0 - M01 R1 |
+	 *
+	 * P = | M10 - Cy M20 |
+	 *     | M11 - Cy M21 |
+	 *
+	 * W = | M10 M21 - M20 M11 |
+	 *     | M11 M20 - M21 M10 |
+	 *
+	 * V = | M10 R2 - M20 R1 |
+	 *	   | M11 R2 - M21 R1 |
+	 *
+	 * Rewrite:
+	 *
+	 * F T0 = U0 dy + Q0
+	 * F P0 = W0 dy + V0
+	 * F T1 = U1 dx + Q1
+	 * F P1 = W1 dx + V1
+	 *
+	 * Solve for F (two ways)
+	 *
+	 * F (W0 T0 - U0 P0)  = W0 Q0 - U0 V0
+	 *
+	 *     W0 Q0 - U0 V0
+	 * F = -------------
+	 *     W0 T0 - U0 P0
+	 *
+	 * F (W1 T1 - U1 P1) = W1 Q1 - U1 V1
+	 *
+	 *     W1 Q1 - U1 V1
+	 * F = -------------
+	 *     W1 T1 - U1 P1
+	 *
+	 * We'll use which ever solution works (denominator != 0)
+	 *
+	 * Finally, solve for dx and dy:
+	 *
+	 * dx = (F T1 - Q1) / U1
+	 * dx = (F P1 - V1) / W1
+	 *
+	 * dy = (F T0 - Q0) / U0
+	 * dy = (F P0 - V0) / W0
+	 */
+	double			    r[3];
+	double			    q[2], u[2], t[2], v[2], w[2], p[2];
+	double			    f;
+	struct pict_f_vector	    d;
+	int			    i;
+
+	/* Get the un-normalized crtc coordinates again */
+	for (i = 0; i < 3; i++)
+	    r[i] = m->m[i][0] * screen_x + m->m[i][1] * screen_y + m->m[i][2];
+
+	/* Combine values into temporaries */
+	for (i = 0; i < 2; i++) {
+	    q[i] = m->m[1][i] * r[0] - m->m[0][i] * r[1];
+	    u[i] = m->m[1][i] * m->m[0][1-i] - m->m[0][i] * m->m[1][1-i];
+	    t[i] = m->m[1][i] * crtc_x - m->m[0][i] * crtc_y;
+
+	    v[i] = m->m[1][i] * r[2] - m->m[2][i] * r[1];
+	    w[i] = m->m[1][i] * m->m[2][1-i] - m->m[2][i] * m->m[1][1-i];
+	    p[i] = m->m[1][i] - m->m[2][i] * crtc_y;
+	}
+
+	/* Find a way to compute f */
+	f = 0;
+	for (i = 0; i < 2; i++) {
+	    double a = w[i] * q[i] - u[i] * v[i];
+	    double b = w[i] * t[i] - u[i] * p[i];
+	    if (b != 0) {
+		f = a/b;
+		break;
+	    }
+	}
+
+	/* Solve for the resulting transform vector */
+	for (i = 0; i < 2; i++) {
+	    if (u[i])
+		d.v[1-i] = (t[i] * f - q[i]) / u[i];
+	    else if (w[1])
+		d.v[1-i] = (p[i] * f - v[i]) / w[i];
+	    else
+		d.v[1-i] = 0;
+	}
+	*new_pan_x = old_pan_x - floor (d.v[0] + 0.5);
+	*new_pan_y = old_pan_y - floor (d.v[1] + 0.5);
+    } else {
+	*new_pan_x = screen_x - crtc_x;
+	*new_pan_y = screen_y - crtc_y;
+    }
+}
+
+static void
+xf86RandR13Pan (xf86CrtcPtr crtc, int x, int y)
+{
+    int newX, newY;
+    int width, height;
+    Bool panned = FALSE;
+
+    if (crtc->version < 2)
+	return;
+
+    if (! crtc->enabled						||
+	(crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1	&&
+	 crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1))
+	return;
+
+    newX   = crtc->x;
+    newY   = crtc->y;
+    width  = crtc->mode.HDisplay;
+    height = crtc->mode.VDisplay;
+
+    if ((crtc->panningTrackingArea.x2 <= crtc->panningTrackingArea.x1 ||
+	 (x >= crtc->panningTrackingArea.x1 && x < crtc->panningTrackingArea.x2)) &&
+	(crtc->panningTrackingArea.y2 <= crtc->panningTrackingArea.y1 ||
+	 (y >= crtc->panningTrackingArea.y1 && y < crtc->panningTrackingArea.y2)))
+    {
+	struct pict_f_vector    c;
+
+	/*
+	 * Pre-clip the mouse position to the panning area so that we don't
+	 * push the crtc outside. This doesn't deal with changes to the
+	 * panning values, only mouse position changes.
+	 */
+	if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1)
+	{
+	    if (x < crtc->panningTotalArea.x1)
+		x = crtc->panningTotalArea.x1;
+	    if (x >= crtc->panningTotalArea.x2)
+		x = crtc->panningTotalArea.x2 - 1;
+	}
+	if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1)
+	{
+	    if (y < crtc->panningTotalArea.y1)
+		y = crtc->panningTotalArea.y1;
+	    if (y >= crtc->panningTotalArea.y2)
+		y = crtc->panningTotalArea.y2 - 1;
+	}
+
+	c.v[0] = x;
+	c.v[1] = y;
+	c.v[2] = 1.0;
+	if (crtc->transform_in_use) {
+	    pixman_f_transform_point(&crtc->f_framebuffer_to_crtc, &c);
+	} else {
+	    c.v[0] -= crtc->x;
+	    c.v[1] -= crtc->y;
+	}
+
+	if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) {
+	    if (c.v[0] < crtc->panningBorder[0]) {
+		c.v[0] = crtc->panningBorder[0];
+		panned = TRUE;
+	    }
+	    if (c.v[0] >= width - crtc->panningBorder[2]) {
+		c.v[0] = width - crtc->panningBorder[2] - 1;
+		panned = TRUE;
+	    }
+	}
+	if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) {
+	    if (c.v[1] < crtc->panningBorder[1]) {
+		c.v[1] = crtc->panningBorder[1];
+		panned = TRUE;
+	    }
+	    if (c.v[1] >= height - crtc->panningBorder[3]) {
+		c.v[1] = height - crtc->panningBorder[3] - 1;
+		panned = TRUE;
+	    }
+	}
+	if (panned)
+	    xf86ComputeCrtcPan (crtc->transform_in_use,
+				&crtc->f_framebuffer_to_crtc,
+				x, y, c.v[0], c.v[1],
+				newX, newY, &newX, &newY);
+    }
+
+    /*
+     * Ensure that the crtc is within the panning region.
+     *
+     * XXX This computation only works when we do not have a transform
+     * in use.
+     */
+    if (!crtc->transform_in_use)
+    {
+	/* Validate against [xy]1 after [xy]2, to be sure that results are > 0 for [xy]1 > 0 */
+	if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) {
+	    if (newX > crtc->panningTotalArea.x2 - width)
+		newX =  crtc->panningTotalArea.x2 - width;
+	    if (newX <  crtc->panningTotalArea.x1)
+		newX =  crtc->panningTotalArea.x1;
+	}
+	if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) {
+	    if (newY > crtc->panningTotalArea.y2 - height)
+		newY =  crtc->panningTotalArea.y2 - height;
+	    if (newY <  crtc->panningTotalArea.y1)
+		newY =  crtc->panningTotalArea.y1;
+	}
+    }
+    if (newX != crtc->x || newY != crtc->y)
+	xf86CrtcSetOrigin (crtc, newX, newY);
+}
+
+static Bool
+xf86RandR12GetInfo (ScreenPtr pScreen, Rotation *rotations)
+{
+    RRScreenSizePtr	    pSize;
+    ScrnInfoPtr		    scrp = XF86SCRNINFO(pScreen);
+    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);
+    DisplayModePtr	    mode;
+    int			    refresh0 = 60;
+    int			    maxX = 0, maxY = 0;
+
+    *rotations = randrp->supported_rotations;
+
+    if (randrp->virtualX == -1 || randrp->virtualY == -1)
+    {
+	randrp->virtualX = scrp->virtualX;
+	randrp->virtualY = scrp->virtualY;
+    }
+
+    /* Re-probe the outputs for new monitors or modes */
+    if (scrp->vtSema)
+    {
+	xf86ProbeOutputModes (scrp, 0, 0);
+	xf86SetScrnInfoModes (scrp);
+    }
+
+    for (mode = scrp->modes; ; mode = mode->next)
+    {
+	int refresh = xf86RandR12ModeRefresh (mode);
+	if (randrp->maxX == 0 || randrp->maxY == 0)
+	{
+		if (maxX < mode->HDisplay)
+			maxX = mode->HDisplay;
+		if (maxY < mode->VDisplay)
+			maxY = mode->VDisplay;
+	}
+	if (mode == scrp->modes)
+	    refresh0 = refresh;
+	pSize = RRRegisterSize (pScreen,
+				mode->HDisplay, mode->VDisplay,
+				randrp->mmWidth, randrp->mmHeight);
+	if (!pSize)
+	    return FALSE;
+	RRRegisterRate (pScreen, pSize, refresh);
+
+	if (xf86ModesEqual(mode, scrp->currentMode))
+	{
+	    RRSetCurrentConfig (pScreen, randrp->rotation, refresh, pSize);
+	}
+	if (mode->next == scrp->modes)
+	    break;
+    }
+
+    if (randrp->maxX == 0 || randrp->maxY == 0)
+    {
+	randrp->maxX = maxX;
+	randrp->maxY = maxY;
+    }
+
+    return TRUE;
+}
+
+static Bool
+xf86RandR12SetMode (ScreenPtr	    pScreen,
+		  DisplayModePtr    mode,
+		  Bool		    useVirtual,
+		  int		    mmWidth,
+		  int		    mmHeight)
+{
+    ScrnInfoPtr		scrp = XF86SCRNINFO(pScreen);
+    XF86RandRInfoPtr	randrp = XF86RANDRINFO(pScreen);
+    int			oldWidth = pScreen->width;
+    int			oldHeight = pScreen->height;
+    int			oldmmWidth = pScreen->mmWidth;
+    int			oldmmHeight = pScreen->mmHeight;
+    WindowPtr		pRoot = pScreen->root;
+    DisplayModePtr      currentMode = NULL;
+    Bool 		ret = TRUE;
+
+    if (pRoot)
+	(*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE);
+    if (useVirtual)
+    {
+	scrp->virtualX = randrp->virtualX;
+	scrp->virtualY = randrp->virtualY;
+    }
+    else
+    {
+	scrp->virtualX = mode->HDisplay;
+	scrp->virtualY = mode->VDisplay;
+    }
+
+    if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270))
+    {
+	/* If the screen is rotated 90 or 270 degrees, swap the sizes. */
+	pScreen->width = scrp->virtualY;
+	pScreen->height = scrp->virtualX;
+	pScreen->mmWidth = mmHeight;
+	pScreen->mmHeight = mmWidth;
+    }
+    else
+    {
+	pScreen->width = scrp->virtualX;
+	pScreen->height = scrp->virtualY;
+	pScreen->mmWidth = mmWidth;
+	pScreen->mmHeight = mmHeight;
+    }
+    if (scrp->currentMode == mode) {
+        /* Save current mode */
+        currentMode = scrp->currentMode;
+        /* Reset, just so we ensure the drivers SwitchMode is called */
+        scrp->currentMode = NULL;
+    }
+    /*
+     * We know that if the driver failed to SwitchMode to the rotated
+     * version, then it should revert back to it's prior mode.
+     */
+    if (!xf86SwitchMode (pScreen, mode))
+    {
+        ret = FALSE;
+	scrp->virtualX = pScreen->width = oldWidth;
+	scrp->virtualY = pScreen->height = oldHeight;
+	pScreen->mmWidth = oldmmWidth;
+	pScreen->mmHeight = oldmmHeight;
+        scrp->currentMode = currentMode;
+    }
+
+    /*
+     * Make sure the layout is correct
+     */
+    xf86ReconfigureLayout();
+
+    /*
+     * Make sure the whole screen is visible
+     */
+    xf86SetViewport (pScreen, pScreen->width, pScreen->height);
+    xf86SetViewport (pScreen, 0, 0);
+    if (pRoot)
+	(*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE);
+    return ret;
+}
+
+Bool
+xf86RandR12SetConfig (ScreenPtr		pScreen,
+		    Rotation		rotation,
+		    int			rate,
+		    RRScreenSizePtr	pSize)
+{
+    ScrnInfoPtr		scrp = XF86SCRNINFO(pScreen);
+    XF86RandRInfoPtr	randrp = XF86RANDRINFO(pScreen);
+    DisplayModePtr	mode;
+    int			pos[MAXDEVICES][2];
+    Bool		useVirtual = FALSE;
+    int			maxX = 0, maxY = 0;
+    Rotation		oldRotation = randrp->rotation;
+    DeviceIntPtr	dev;
+    Bool		view_adjusted = FALSE;
+
+    randrp->rotation = rotation;
+
+    if (randrp->virtualX == -1 || randrp->virtualY == -1)
+    {
+	randrp->virtualX = scrp->virtualX;
+	randrp->virtualY = scrp->virtualY;
+    }
+
+    for (dev = inputInfo.devices; dev; dev = dev->next)
+    {
+	if (!IsMaster(dev) && !IsFloating(dev))
+		continue;
+
+	miPointerGetPosition(dev, &pos[dev->id][0], &pos[dev->id][1]);
+    }
+
+    for (mode = scrp->modes; ; mode = mode->next)
+    {
+	if (randrp->maxX == 0 || randrp->maxY == 0)
+	{
+		if (maxX < mode->HDisplay)
+			maxX = mode->HDisplay;
+		if (maxY < mode->VDisplay)
+			maxY = mode->VDisplay;
+	}
+	if (mode->HDisplay == pSize->width &&
+	    mode->VDisplay == pSize->height &&
+	    (rate == 0 || xf86RandR12ModeRefresh (mode) == rate))
+	    break;
+	if (mode->next == scrp->modes)
+	{
+	    if (pSize->width == randrp->virtualX &&
+		pSize->height == randrp->virtualY)
+	    {
+		mode = scrp->modes;
+		useVirtual = TRUE;
+		break;
+	    }
+    	    if (randrp->maxX == 0 || randrp->maxY == 0)
+    	    {
+		randrp->maxX = maxX;
+		randrp->maxY = maxY;
+    	    }
+	    return FALSE;
+	}
+    }
+
+    if (randrp->maxX == 0 || randrp->maxY == 0)
+    {
+	randrp->maxX = maxX;
+	randrp->maxY = maxY;
+    }
+
+    if (!xf86RandR12SetMode (pScreen, mode, useVirtual, pSize->mmWidth,
+			   pSize->mmHeight)) {
+        randrp->rotation = oldRotation;
+	return FALSE;
+    }
+
+    /*
+     * Move the cursor back where it belongs; SwitchMode repositions it
+     * FIXME: duplicated code, see modes/xf86RandR12.c
+     */
+    for (dev = inputInfo.devices; dev; dev = dev->next)
+    {
+	if (!IsMaster(dev) && !IsFloating(dev))
+		continue;
+
+	if (pScreen == miPointerGetScreen(dev)) {
+	    int px = pos[dev->id][0];
+	    int py = pos[dev->id][1];
+
+	    px = (px >= pScreen->width ? (pScreen->width - 1) : px);
+	    py = (py >= pScreen->height ? (pScreen->height - 1) : py);
+
+	    /* Setting the viewpoint makes only sense on one device */
+	    if (!view_adjusted && IsMaster(dev)) {
+		xf86SetViewport(pScreen, px, py);
+		view_adjusted = TRUE;
+	    }
+
+	    (*pScreen->SetCursorPosition) (dev, pScreen, px, py, FALSE);
+	}
+    }
+
+    return TRUE;
+}
+
+static Bool
+xf86RandR12ScreenSetSize (ScreenPtr	pScreen,
+			CARD16		width,
+			CARD16		height,
+			CARD32		mmWidth,
+			CARD32		mmHeight)
+{
+    XF86RandRInfoPtr	randrp = XF86RANDRINFO(pScreen);
+    ScrnInfoPtr		pScrn = XF86SCRNINFO(pScreen);
+    xf86CrtcConfigPtr	config = XF86_CRTC_CONFIG_PTR(pScrn);
+    WindowPtr		pRoot = pScreen->root;
+    PixmapPtr		pScrnPix;
+    Bool		ret = FALSE;
+    int                 c;
+
+    if (xf86RandR12Key) {
+        if (randrp->virtualX == -1 || randrp->virtualY == -1)
+        {
+	    randrp->virtualX = pScrn->virtualX;
+	    randrp->virtualY = pScrn->virtualY;
+        }
+    }
+    if (pRoot && pScrn->vtSema)
+	(*pScrn->EnableDisableFBAccess) (pScreen->myNum, FALSE);
+
+    /* Let the driver update virtualX and virtualY */
+    if (!(*config->funcs->resize)(pScrn, width, height))
+	goto finish;
+
+    ret = TRUE;
+    /* Update panning information */
+    for (c = 0; c < config->num_crtc; c++) {
+	xf86CrtcPtr crtc = config->crtc[c];
+	if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1 ||
+	    crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) {
+	    if (crtc->panningTotalArea.x2 > crtc->panningTrackingArea.x1)
+		crtc->panningTotalArea.x2 += width  - pScreen->width;
+	    if (crtc->panningTotalArea.y2 > crtc->panningTrackingArea.y1)
+		crtc->panningTotalArea.y2 += height - pScreen->height;
+	    if (crtc->panningTrackingArea.x2 > crtc->panningTrackingArea.x1)
+		crtc->panningTrackingArea.x2 += width  - pScreen->width;
+	    if (crtc->panningTrackingArea.y2 > crtc->panningTrackingArea.y1)
+		crtc->panningTrackingArea.y2 += height - pScreen->height;
+	    xf86RandR13VerifyPanningArea (crtc, width, height);
+	    xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY);
+	}
+    }
+
+    pScrnPix = (*pScreen->GetScreenPixmap)(pScreen);
+    pScreen->width = pScrnPix->drawable.width = width;
+    pScreen->height = pScrnPix->drawable.height = height;
+    randrp->mmWidth = pScreen->mmWidth = mmWidth;
+    randrp->mmHeight = pScreen->mmHeight = mmHeight;
+
+    xf86SetViewport (pScreen, pScreen->width-1, pScreen->height-1);
+    xf86SetViewport (pScreen, 0, 0);
+
+finish:
+    if (pRoot && pScrn->vtSema)
+	(*pScrn->EnableDisableFBAccess) (pScreen->myNum, TRUE);
+#if RANDR_12_INTERFACE
+    if (xf86RandR12Key && pScreen->root && ret)
+	RRScreenSizeNotify (pScreen);
+#endif
+    return ret;
+}
+
+Rotation
+xf86RandR12GetRotation(ScreenPtr pScreen)
+{
+    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);
+
+    return randrp->rotation;
+}
+
+Bool
+xf86RandR12CreateScreenResources (ScreenPtr pScreen)
+{
+    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
+    xf86CrtcConfigPtr   config;
+    XF86RandRInfoPtr	randrp;
+    int			c;
+    int			width, height;
+    int			mmWidth, mmHeight;
+#ifdef PANORAMIX
+    /* XXX disable RandR when using Xinerama */
+    if (!noPanoramiXExtension)
+	return TRUE;
+#endif
+
+    config = XF86_CRTC_CONFIG_PTR(pScrn);
+    randrp = XF86RANDRINFO(pScreen);
+    /*
+     * Compute size of screen
+     */
+    width = 0; height = 0;
+    for (c = 0; c < config->num_crtc; c++)
+    {
+	xf86CrtcPtr crtc = config->crtc[c];
+	int	    crtc_width = crtc->x + xf86ModeWidth (&crtc->mode, crtc->rotation);
+	int	    crtc_height = crtc->y + xf86ModeHeight (&crtc->mode, crtc->rotation);
+	
+	if (crtc->enabled) {
+	    if (crtc_width > width)
+		width = crtc_width;
+	    if (crtc_height > height)
+		height = crtc_height;
+	    if (crtc->panningTotalArea.x2 > width)
+		width = crtc->panningTotalArea.x2;
+	    if (crtc->panningTotalArea.y2 > height)
+		height = crtc->panningTotalArea.y2;
+	}
+    }
+    
+    if (width && height)
+    {
+	/*
+	 * Compute physical size of screen
+	 */
+	if (monitorResolution) 
+	{
+	    mmWidth = width * 25.4 / monitorResolution;
+	    mmHeight = height * 25.4 / monitorResolution;
+	}
+	else
+	{
+	    xf86OutputPtr   output = xf86CompatOutput(pScrn);
+
+	    if (output &&
+		output->conf_monitor &&
+		(output->conf_monitor->mon_width  > 0 &&
+		 output->conf_monitor->mon_height > 0))
+	    {
+		/*
+		 * Prefer user configured DisplaySize
+		 */
+		mmWidth = output->conf_monitor->mon_width;
+		mmHeight = output->conf_monitor->mon_height;
+	    }
+	    else
+	    {
+		/*
+		 * Otherwise, just set the screen to DEFAULT_DPI
+		 */
+		mmWidth = width * 25.4 / DEFAULT_DPI;
+		mmHeight = height * 25.4 / DEFAULT_DPI;
+	    }
+	}
+	xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+		   "Setting screen physical size to %d x %d\n",
+		   mmWidth, mmHeight);
+	/*
+	 * This is the initial setting of the screen size.
+	 * We have to pre-set it here, otherwise panning would be adapted
+	 * to the new screen size.
+	 */
+	pScreen->width  = width;
+	pScreen->height = height;
+	xf86RandR12ScreenSetSize (pScreen,
+				  width,
+				  height,
+				  mmWidth,
+				  mmHeight);
+    }
+
+    if (xf86RandR12Key == NULL)
+	return TRUE;
+
+    if (randrp->virtualX == -1 || randrp->virtualY == -1)
+    {
+	randrp->virtualX = pScrn->virtualX;
+	randrp->virtualY = pScrn->virtualY;
+    }
+    xf86CrtcSetScreenSubpixelOrder (pScreen);
+#if RANDR_12_INTERFACE
+    if (xf86RandR12CreateScreenResources12 (pScreen))
+	return TRUE;
+#endif
+    return TRUE;
+}
+
+
+Bool
+xf86RandR12Init (ScreenPtr pScreen)
+{
+    rrScrPrivPtr	rp;
+    XF86RandRInfoPtr	randrp;
+
+#ifdef PANORAMIX
+    /* XXX disable RandR when using Xinerama */
+    if (!noPanoramiXExtension)
+    {
+        if (xf86NumScreens == 1)
+            noPanoramiXExtension = TRUE;
+        else
+            return TRUE;
+    }
+#endif
+
+    if (xf86RandR12Generation != serverGeneration)
+	xf86RandR12Generation = serverGeneration;
+
+    xf86RandR12Key = &xf86RandR12KeyRec;
+    if (!dixRegisterPrivateKey(&xf86RandR12KeyRec, PRIVATE_SCREEN, 0))
+	return FALSE;
+
+    randrp = malloc(sizeof (XF86RandRInfoRec));
+    if (!randrp)
+	return FALSE;
+
+    if (!RRScreenInit(pScreen))
+    {
+	free(randrp);
+	return FALSE;
+    }
+    rp = rrGetScrPriv(pScreen);
+    rp->rrGetInfo = xf86RandR12GetInfo;
+    rp->rrSetConfig = xf86RandR12SetConfig;
+
+    randrp->virtualX = -1;
+    randrp->virtualY = -1;
+    randrp->mmWidth = pScreen->mmWidth;
+    randrp->mmHeight = pScreen->mmHeight;
+
+    randrp->rotation = RR_Rotate_0; /* initial rotated mode */
+
+    randrp->supported_rotations = RR_Rotate_0;
+
+    randrp->maxX = randrp->maxY = 0;
+
+    dixSetPrivate(&pScreen->devPrivates, xf86RandR12Key, randrp);
+
+#if RANDR_12_INTERFACE
+    if (!xf86RandR12Init12 (pScreen))
+	return FALSE;
+#endif
+    return TRUE;
+}
+
+void
+xf86RandR12CloseScreen (ScreenPtr pScreen)
+{
+    XF86RandRInfoPtr	randrp;
+
+    if (xf86RandR12Key == NULL)
+	return;
+
+    randrp = XF86RANDRINFO(pScreen);
+#if RANDR_12_INTERFACE
+    xf86Screens[pScreen->myNum]->EnterVT = randrp->orig_EnterVT;
+#endif
+
+    free(randrp);
+}
+
+void
+xf86RandR12SetRotations (ScreenPtr pScreen, Rotation rotations)
+{
+    XF86RandRInfoPtr	randrp;
+#if RANDR_12_INTERFACE
+    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
+    int			c;
+    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);
+#endif
+
+    if (xf86RandR12Key == NULL)
+	return;
+
+    randrp = XF86RANDRINFO(pScreen);
+#if RANDR_12_INTERFACE
+    for (c = 0; c < config->num_crtc; c++) {
+	xf86CrtcPtr    crtc = config->crtc[c];
+
+	RRCrtcSetRotations (crtc->randr_crtc, rotations);
+    }
+#endif
+    randrp->supported_rotations = rotations;
+}
+
+void
+xf86RandR12SetTransformSupport (ScreenPtr pScreen, Bool transforms)
+{
+    XF86RandRInfoPtr	randrp;
+#if RANDR_13_INTERFACE
+    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
+    int			c;
+    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);
+#endif
+
+    if (xf86RandR12Key == NULL)
+	return;
+
+    randrp = XF86RANDRINFO(pScreen);
+#if RANDR_13_INTERFACE
+    for (c = 0; c < config->num_crtc; c++) {
+	xf86CrtcPtr    crtc = config->crtc[c];
+
+	RRCrtcSetTransformSupport (crtc->randr_crtc, transforms);
+    }
+#endif
+}
+
+void
+xf86RandR12GetOriginalVirtualSize(ScrnInfoPtr pScrn, int *x, int *y)
+{
+    ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex];
+
+    if (xf86RandR12Generation != serverGeneration ||
+	XF86RANDRINFO(pScreen)->virtualX == -1)
+    {
+	*x = pScrn->virtualX;
+	*y = pScrn->virtualY;
+    } else {
+	XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
+
+	*x = randrp->virtualX;
+	*y = randrp->virtualY;
+    }
+}
+
+#if RANDR_12_INTERFACE
+
+#define FLAG_BITS (RR_HSyncPositive | \
+		   RR_HSyncNegative | \
+		   RR_VSyncPositive | \
+		   RR_VSyncNegative | \
+		   RR_Interlace | \
+		   RR_DoubleScan | \
+		   RR_CSync | \
+		   RR_CSyncPositive | \
+		   RR_CSyncNegative | \
+		   RR_HSkewPresent | \
+		   RR_BCast | \
+		   RR_PixelMultiplex | \
+		   RR_DoubleClock | \
+		   RR_ClockDivideBy2)
+
+static Bool
+xf86RandRModeMatches (RRModePtr		randr_mode,
+		      DisplayModePtr	mode)
+{
+#if 0
+    if (match_name)
+    {
+	/* check for same name */
+	int	len = strlen (mode->name);
+	if (randr_mode->mode.nameLength != len)			return FALSE;
+	if (memcmp (randr_mode->name, mode->name, len) != 0)	return FALSE;
+    }
+#endif
+    
+    /* check for same timings */
+    if (randr_mode->mode.dotClock / 1000 != mode->Clock)    return FALSE;
+    if (randr_mode->mode.width        != mode->HDisplay)    return FALSE;
+    if (randr_mode->mode.hSyncStart   != mode->HSyncStart)  return FALSE;
+    if (randr_mode->mode.hSyncEnd     != mode->HSyncEnd)    return FALSE;
+    if (randr_mode->mode.hTotal       != mode->HTotal)	    return FALSE;
+    if (randr_mode->mode.hSkew        != mode->HSkew)	    return FALSE;
+    if (randr_mode->mode.height       != mode->VDisplay)    return FALSE;
+    if (randr_mode->mode.vSyncStart   != mode->VSyncStart)  return FALSE;
+    if (randr_mode->mode.vSyncEnd     != mode->VSyncEnd)    return FALSE;
+    if (randr_mode->mode.vTotal       != mode->VTotal)	    return FALSE;
+    
+    /* check for same flags (using only the XF86 valid flag bits) */
+    if ((randr_mode->mode.modeFlags & FLAG_BITS) != (mode->Flags & FLAG_BITS))
+	return FALSE;
+    
+    /* everything matches */
+    return TRUE;
+}
+
+static Bool
+xf86RandR12CrtcNotify (RRCrtcPtr	randr_crtc)
+{
+    ScreenPtr		pScreen = randr_crtc->pScreen;
+    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
+    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);
+    RRModePtr		randr_mode = NULL;
+    int			x;
+    int			y;
+    Rotation		rotation;
+    int			numOutputs;
+    RROutputPtr		*randr_outputs;
+    RROutputPtr		randr_output;
+    xf86CrtcPtr		crtc = randr_crtc->devPrivate;
+    xf86OutputPtr	output;
+    int			i, j;
+    DisplayModePtr	mode = &crtc->mode;
+    Bool		ret;
+
+    randr_outputs = malloc(config->num_output * sizeof (RROutputPtr));
+    if (!randr_outputs)
+	return FALSE;
+    x = crtc->x;
+    y = crtc->y;
+    rotation = crtc->rotation;
+    numOutputs = 0;
+    randr_mode = NULL;
+    for (i = 0; i < config->num_output; i++)
+    {
+	output = config->output[i];
+	if (output->crtc == crtc)
+	{
+	    randr_output = output->randr_output;
+	    randr_outputs[numOutputs++] = randr_output;
+	    /*
+	     * We make copies of modes, so pointer equality 
+	     * isn't sufficient
+	     */
+	    for (j = 0; j < randr_output->numModes + randr_output->numUserModes; j++)
+	    {
+		RRModePtr   m = (j < randr_output->numModes ?
+				 randr_output->modes[j] :
+				 randr_output->userModes[j-randr_output->numModes]);
+					 
+		if (xf86RandRModeMatches (m, mode))
+		{
+		    randr_mode = m;
+		    break;
+		}
+	    }
+	}
+    }
+    ret = RRCrtcNotify (randr_crtc, randr_mode, x, y,
+			rotation, 
+			crtc->transformPresent ? &crtc->transform : NULL,
+			numOutputs, randr_outputs);
+    free(randr_outputs);
+    return ret;
+}
+
+/*
+ * Convert a RandR mode to a DisplayMode
+ */
+static void
+xf86RandRModeConvert (ScrnInfoPtr	scrn,
+		      RRModePtr		randr_mode,
+		      DisplayModePtr	mode)
+{
+    memset(mode, 0, sizeof(DisplayModeRec));
+    mode->status = MODE_OK;
+
+    mode->Clock = randr_mode->mode.dotClock / 1000;
+    
+    mode->HDisplay = randr_mode->mode.width;
+    mode->HSyncStart = randr_mode->mode.hSyncStart;
+    mode->HSyncEnd = randr_mode->mode.hSyncEnd;
+    mode->HTotal = randr_mode->mode.hTotal;
+    mode->HSkew = randr_mode->mode.hSkew;
+    
+    mode->VDisplay = randr_mode->mode.height;
+    mode->VSyncStart = randr_mode->mode.vSyncStart;
+    mode->VSyncEnd = randr_mode->mode.vSyncEnd;
+    mode->VTotal = randr_mode->mode.vTotal;
+    mode->VScan = 0;
+
+    mode->Flags = randr_mode->mode.modeFlags & FLAG_BITS;
+
+    xf86SetModeCrtc (mode, scrn->adjustFlags);
+}
+
+static Bool
+xf86RandR12CrtcSet (ScreenPtr	    pScreen,
+		    RRCrtcPtr	    randr_crtc,
+		    RRModePtr	    randr_mode,
+		    int		    x,
+		    int		    y,
+		    Rotation	    rotation,
+		    int		    num_randr_outputs,
+		    RROutputPtr	    *randr_outputs)
+{
+    XF86RandRInfoPtr	randrp = XF86RANDRINFO(pScreen);
+    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
+    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);
+    xf86CrtcPtr		crtc = randr_crtc->devPrivate;
+    RRTransformPtr	transform;
+    Bool		changed = FALSE;
+    int			o, ro;
+    xf86CrtcPtr		*save_crtcs;
+    Bool		save_enabled = crtc->enabled;
+
+    if (!crtc->scrn->vtSema)
+	return FALSE;
+
+    save_crtcs = malloc(config->num_output * sizeof (xf86CrtcPtr));
+    if ((randr_mode != NULL) != crtc->enabled)
+	changed = TRUE;
+    else if (randr_mode && !xf86RandRModeMatches (randr_mode, &crtc->mode))
+	changed = TRUE;
+    
+    if (rotation != crtc->rotation)
+	changed = TRUE;
+
+    transform = RRCrtcGetTransform (randr_crtc);
+    if ((transform != NULL) != crtc->transformPresent)
+	changed = TRUE;
+    else if (transform && memcmp (&transform->transform, &crtc->transform.transform,
+				  sizeof (transform->transform)) != 0)
+	changed = TRUE;
+
+    if (x != crtc->x || y != crtc->y)
+	changed = TRUE;
+    for (o = 0; o < config->num_output; o++) 
+    {
+	xf86OutputPtr  output = config->output[o];
+	xf86CrtcPtr    new_crtc;
+
+	save_crtcs[o] = output->crtc;
+	
+	if (output->crtc == crtc)
+	    new_crtc = NULL;
+	else
+	    new_crtc = output->crtc;
+	for (ro = 0; ro < num_randr_outputs; ro++) 
+	    if (output->randr_output == randr_outputs[ro])
+	    {
+		new_crtc = crtc;
+		break;
+	    }
+	if (new_crtc != output->crtc)
+	{
+	    changed = TRUE;
+	    output->crtc = new_crtc;
+	}
+    }
+    for (ro = 0; ro < num_randr_outputs; ro++) 
+        if (randr_outputs[ro]->pendingProperties)
+	    changed = TRUE;
+
+    /* XXX need device-independent mode setting code through an API */
+    if (changed)
+    {
+	crtc->enabled = randr_mode != NULL;
+
+	if (randr_mode)
+	{
+	    DisplayModeRec  mode;
+	    RRTransformPtr  transform = RRCrtcGetTransform (randr_crtc);
+
+	    xf86RandRModeConvert (pScrn, randr_mode, &mode);
+	    if (!xf86CrtcSetModeTransform (crtc, &mode, rotation, transform, x, y))
+	    {
+		crtc->enabled = save_enabled;
+		for (o = 0; o < config->num_output; o++)
+		{
+		    xf86OutputPtr	output = config->output[o];
+		    output->crtc = save_crtcs[o];
+		}
+		free(save_crtcs);
+		return FALSE;
+	    }
+	    xf86RandR13VerifyPanningArea (crtc, pScreen->width, pScreen->height);
+	    xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY);
+	    /*
+	     * Save the last successful setting for EnterVT
+	     */
+	    crtc->desiredMode = mode;
+	    crtc->desiredRotation = rotation;
+	    if (transform) {
+		crtc->desiredTransform = *transform;
+		crtc->desiredTransformPresent = TRUE;
+	    } else
+		crtc->desiredTransformPresent = FALSE;
+
+	    crtc->desiredX = x;
+	    crtc->desiredY = y;
+	}
+	xf86DisableUnusedFunctions (pScrn);
+    }
+    free(save_crtcs);
+    return xf86RandR12CrtcNotify (randr_crtc);
+}
+
+static Bool
+xf86RandR12CrtcSetGamma (ScreenPtr    pScreen,
+			 RRCrtcPtr    randr_crtc)
+{
+    xf86CrtcPtr		crtc = randr_crtc->devPrivate;
+
+    if (crtc->funcs->gamma_set == NULL)
+	return FALSE;
+
+    if (!crtc->scrn->vtSema)
+	return TRUE;
+
+    /* Realloc local gamma if needed. */
+    if (randr_crtc->gammaSize != crtc->gamma_size) {
+        CARD16 *tmp_ptr;
+        tmp_ptr = realloc(crtc->gamma_red, 3 * crtc->gamma_size * sizeof (CARD16));
+        if (!tmp_ptr)
+            return FALSE;
+        crtc->gamma_red = tmp_ptr;
+        crtc->gamma_green = crtc->gamma_red + crtc->gamma_size;
+        crtc->gamma_blue = crtc->gamma_green + crtc->gamma_size;
+    }
+
+    crtc->gamma_size = randr_crtc->gammaSize;
+    memcpy (crtc->gamma_red, randr_crtc->gammaRed, crtc->gamma_size * sizeof (CARD16));
+    memcpy (crtc->gamma_green, randr_crtc->gammaGreen, crtc->gamma_size * sizeof (CARD16));
+    memcpy (crtc->gamma_blue, randr_crtc->gammaBlue, crtc->gamma_size * sizeof (CARD16));
+
+    /* Only set it when the crtc is actually running.
+     * Otherwise it will be set when it's activated.
+     */
+    if (crtc->active)
+	crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green,
+						crtc->gamma_blue, crtc->gamma_size);
+
+    return TRUE;
+}
+
+static Bool
+xf86RandR12CrtcGetGamma (ScreenPtr    pScreen,
+			 RRCrtcPtr    randr_crtc)
+{
+    xf86CrtcPtr crtc = randr_crtc->devPrivate;
+
+    if (!crtc->gamma_size)
+        return FALSE;
+
+    if (!crtc->gamma_red || !crtc->gamma_green || !crtc->gamma_blue)
+        return FALSE;
+
+    /* Realloc randr gamma if needed. */
+    if (randr_crtc->gammaSize != crtc->gamma_size) {
+        CARD16 *tmp_ptr;
+        tmp_ptr = realloc(randr_crtc->gammaRed, 3 * crtc->gamma_size * sizeof (CARD16));
+        if (!tmp_ptr)
+            return FALSE;
+        randr_crtc->gammaRed = tmp_ptr;
+        randr_crtc->gammaGreen = randr_crtc->gammaRed + crtc->gamma_size;
+        randr_crtc->gammaBlue = randr_crtc->gammaGreen + crtc->gamma_size;
+    }
+    randr_crtc->gammaSize = crtc->gamma_size;
+    memcpy (randr_crtc->gammaRed, crtc->gamma_red, crtc->gamma_size * sizeof (CARD16));
+    memcpy (randr_crtc->gammaGreen, crtc->gamma_green, crtc->gamma_size * sizeof (CARD16));
+    memcpy (randr_crtc->gammaBlue, crtc->gamma_blue, crtc->gamma_size * sizeof (CARD16));
+
+    return TRUE;
+}
+
+static Bool
+xf86RandR12OutputSetProperty (ScreenPtr pScreen,
+			      RROutputPtr randr_output,
+			      Atom property,
+			      RRPropertyValuePtr value)
+{
+    xf86OutputPtr output = randr_output->devPrivate;
+
+    /* If we don't have any property handler, then we don't care what the
+     * user is setting properties to.
+     */
+    if (output->funcs->set_property == NULL)
+	return TRUE;
+
+    /*
+     * This function gets called even when vtSema is FALSE, as
+     * drivers will need to remember the correct value to apply
+     * when the VT switch occurs
+     */
+    return output->funcs->set_property(output, property, value);
+}
+
+static Bool
+xf86RandR13OutputGetProperty (ScreenPtr pScreen,
+			      RROutputPtr randr_output,
+			      Atom property)
+{
+    xf86OutputPtr output = randr_output->devPrivate;
+
+    if (output->funcs->get_property == NULL)
+	return TRUE;
+
+    /* Should be safe even w/o vtSema */
+    return output->funcs->get_property(output, property);
+}
+
+static Bool
+xf86RandR12OutputValidateMode (ScreenPtr    pScreen,
+			       RROutputPtr  randr_output,
+			       RRModePtr    randr_mode)
+{
+    ScrnInfoPtr	    pScrn = xf86Screens[pScreen->myNum];
+    xf86OutputPtr   output = randr_output->devPrivate;
+    DisplayModeRec  mode;
+
+    xf86RandRModeConvert (pScrn, randr_mode, &mode);
+    /*
+     * This function may be called when vtSema is FALSE, so
+     * the underlying function must either avoid touching the hardware
+     * or return FALSE when vtSema is FALSE
+     */
+    if (output->funcs->mode_valid (output, &mode) != MODE_OK)
+	return FALSE;
+    return TRUE;
+}
+
+static void
+xf86RandR12ModeDestroy (ScreenPtr pScreen, RRModePtr randr_mode)
+{
+}
+
+/**
+ * Given a list of xf86 modes and a RandR Output object, construct
+ * RandR modes and assign them to the output
+ */
+static Bool
+xf86RROutputSetModes (RROutputPtr randr_output, DisplayModePtr modes)
+{
+    DisplayModePtr  mode;
+    RRModePtr	    *rrmodes = NULL;
+    int		    nmode = 0;
+    int		    npreferred = 0;
+    Bool	    ret = TRUE;
+    int		    pref;
+
+    for (mode = modes; mode; mode = mode->next)
+	nmode++;
+
+    if (nmode) {
+	rrmodes = malloc(nmode * sizeof (RRModePtr));
+	
+	if (!rrmodes)
+	    return FALSE;
+	nmode = 0;
+
+	for (pref = 1; pref >= 0; pref--) {
+	    for (mode = modes; mode; mode = mode->next) {
+		if ((pref != 0) == ((mode->type & M_T_PREFERRED) != 0)) {
+		    xRRModeInfo		modeInfo;
+		    RRModePtr		rrmode;
+		    
+		    modeInfo.nameLength = strlen (mode->name);
+		    modeInfo.width = mode->HDisplay;
+		    modeInfo.dotClock = mode->Clock * 1000;
+		    modeInfo.hSyncStart = mode->HSyncStart;
+		    modeInfo.hSyncEnd = mode->HSyncEnd;
+		    modeInfo.hTotal = mode->HTotal;
+		    modeInfo.hSkew = mode->HSkew;
+
+		    modeInfo.height = mode->VDisplay;
+		    modeInfo.vSyncStart = mode->VSyncStart;
+		    modeInfo.vSyncEnd = mode->VSyncEnd;
+		    modeInfo.vTotal = mode->VTotal;
+		    modeInfo.modeFlags = mode->Flags;
+
+		    rrmode = RRModeGet (&modeInfo, mode->name);
+		    if (rrmode) {
+			rrmodes[nmode++] = rrmode;
+			npreferred += pref;
+		    }
+		}
+	    }
+	}
+    }
+    
+    ret = RROutputSetModes (randr_output, rrmodes, nmode, npreferred);
+    free(rrmodes);
+    return ret;
+}
+
+/*
+ * Mirror the current mode configuration to RandR
+ */
+static Bool
+xf86RandR12SetInfo12 (ScreenPtr pScreen)
+{
+    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
+    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);
+    RROutputPtr		*clones;
+    RRCrtcPtr		*crtcs;
+    int			ncrtc;
+    int			o, c, l;
+    RRCrtcPtr		randr_crtc;
+    int			nclone;
+    
+    clones = malloc(config->num_output * sizeof (RROutputPtr));
+    crtcs = malloc(config->num_crtc * sizeof (RRCrtcPtr));
+    for (o = 0; o < config->num_output; o++)
+    {
+	xf86OutputPtr	output = config->output[o];
+	
+	ncrtc = 0;
+	for (c = 0; c < config->num_crtc; c++)
+	    if (output->possible_crtcs & (1 << c))
+		crtcs[ncrtc++] = config->crtc[c]->randr_crtc;
+
+	if (output->crtc)
+	    randr_crtc = output->crtc->randr_crtc;
+	else
+	    randr_crtc = NULL;
+
+	if (!RROutputSetCrtcs (output->randr_output, crtcs, ncrtc))
+	{
+	    free(crtcs);
+	    free(clones);
+	    return FALSE;
+	}
+
+	RROutputSetPhysicalSize(output->randr_output, 
+				output->mm_width,
+				output->mm_height);
+	xf86RROutputSetModes (output->randr_output, output->probed_modes);
+
+	switch (output->status) {
+	case XF86OutputStatusConnected:
+	    RROutputSetConnection (output->randr_output, RR_Connected);
+	    break;
+	case XF86OutputStatusDisconnected:
+	    RROutputSetConnection (output->randr_output, RR_Disconnected);
+	    break;
+	case XF86OutputStatusUnknown:
+	    RROutputSetConnection (output->randr_output, RR_UnknownConnection);
+	    break;
+	}
+
+	RROutputSetSubpixelOrder (output->randr_output, output->subpixel_order);
+
+	/*
+	 * Valid clones
+	 */
+	nclone = 0;
+	for (l = 0; l < config->num_output; l++)
+	{
+	    xf86OutputPtr	    clone = config->output[l];
+	    
+	    if (l != o && (output->possible_clones & (1 << l)))
+		clones[nclone++] = clone->randr_output;
+	}
+	if (!RROutputSetClones (output->randr_output, clones, nclone))
+	{
+	    free(crtcs);
+	    free(clones);
+	    return FALSE;
+	}
+    }
+    free(crtcs);
+    free(clones);
+    return TRUE;
+}
+
+
+
+/*
+ * Query the hardware for the current state, then mirror
+ * that to RandR
+ */
+static Bool
+xf86RandR12GetInfo12 (ScreenPtr pScreen, Rotation *rotations)
+{
+    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
+
+    if (!pScrn->vtSema)
+	return TRUE;
+    xf86ProbeOutputModes (pScrn, 0, 0);
+    xf86SetScrnInfoModes (pScrn);
+    return xf86RandR12SetInfo12 (pScreen);
+}
+
+static Bool
+xf86RandR12CreateObjects12 (ScreenPtr pScreen)
+{
+    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
+    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);
+    int			c;
+    int			o;
+    
+    if (!RRInit ())
+	return FALSE;
+
+    /*
+     * Configure crtcs
+     */
+    for (c = 0; c < config->num_crtc; c++)
+    {
+	xf86CrtcPtr    crtc = config->crtc[c];
+	
+	crtc->randr_crtc = RRCrtcCreate (pScreen, crtc);
+	RRCrtcGammaSetSize (crtc->randr_crtc, 256);
+    }
+    /*
+     * Configure outputs
+     */
+    for (o = 0; o < config->num_output; o++)
+    {
+	xf86OutputPtr	output = config->output[o];
+
+	output->randr_output = RROutputCreate (pScreen, output->name, 
+					       strlen (output->name),
+					       output);
+
+	if (output->funcs->create_resources != NULL)
+	    output->funcs->create_resources(output);
+	RRPostPendingProperties (output->randr_output);
+    }
+    return TRUE;
+}
+
+static Bool
+xf86RandR12CreateScreenResources12 (ScreenPtr pScreen)
+{
+    int			c;
+    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
+    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);
+
+    if (xf86RandR12Key == NULL)
+	return TRUE;
+
+    for (c = 0; c < config->num_crtc; c++)
+        xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc);
+    
+    RRScreenSetSizeRange (pScreen, config->minWidth, config->minHeight,
+			  config->maxWidth, config->maxHeight);
+    return TRUE;
+}
+
+/*
+ * Something happened within the screen configuration due
+ * to DGA, VidMode or hot key. Tell RandR
+ */
+
+void
+xf86RandR12TellChanged (ScreenPtr pScreen)
+{
+    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
+    xf86CrtcConfigPtr   config = XF86_CRTC_CONFIG_PTR(pScrn);
+    int			c;
+
+    if (xf86RandR12Key == NULL)
+	return;
+
+    xf86RandR12SetInfo12 (pScreen);
+    for (c = 0; c < config->num_crtc; c++)
+	xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc);
+
+    RRTellChanged (pScreen);
+}
+
+static void
+xf86RandR12PointerMoved (int scrnIndex, int x, int y)
+{
+    ScreenPtr		pScreen = screenInfo.screens[scrnIndex];
+    ScrnInfoPtr		pScrn   = XF86SCRNINFO(pScreen);
+    xf86CrtcConfigPtr	config  = XF86_CRTC_CONFIG_PTR(pScrn);
+    XF86RandRInfoPtr	randrp  = XF86RANDRINFO(pScreen);
+    int c;
+
+    randrp->pointerX = x;
+    randrp->pointerY = y;
+    for (c = 0; c < config->num_crtc; c++)
+	xf86RandR13Pan (config->crtc[c], x, y);
+}
+
+static Bool
+xf86RandR13GetPanning (ScreenPtr           pScreen,
+		       RRCrtcPtr           randr_crtc,
+		       BoxPtr              totalArea,
+		       BoxPtr              trackingArea,
+		       INT16               *border)
+{
+    xf86CrtcPtr		crtc = randr_crtc->devPrivate;
+
+    if (crtc->version < 2)
+	return FALSE;
+    if (totalArea)
+	memcpy (totalArea,    &crtc->panningTotalArea,    sizeof(BoxRec));
+    if (trackingArea)
+	memcpy (trackingArea, &crtc->panningTrackingArea, sizeof(BoxRec));
+    if (border)
+	memcpy (border,        crtc->panningBorder,       4*sizeof(INT16));
+
+    return TRUE;
+}
+
+static Bool
+xf86RandR13SetPanning (ScreenPtr           pScreen,
+		       RRCrtcPtr           randr_crtc,
+		       BoxPtr              totalArea,
+		       BoxPtr              trackingArea,
+		       INT16               *border)
+{
+    XF86RandRInfoPtr	randrp  = XF86RANDRINFO(pScreen);
+    xf86CrtcPtr		crtc = randr_crtc->devPrivate;
+    BoxRec		oldTotalArea;
+    BoxRec		oldTrackingArea;
+    INT16		oldBorder[4];
+
+
+    if (crtc->version < 2)
+	return FALSE;
+
+    memcpy (&oldTotalArea,    &crtc->panningTotalArea,    sizeof(BoxRec));
+    memcpy (&oldTrackingArea, &crtc->panningTrackingArea, sizeof(BoxRec));
+    memcpy (oldBorder,         crtc->panningBorder,       4*sizeof(INT16));
+
+    if (totalArea)
+	memcpy (&crtc->panningTotalArea, totalArea, sizeof(BoxRec));
+    if (trackingArea)
+	memcpy (&crtc->panningTrackingArea, trackingArea, sizeof(BoxRec));
+    if (border)
+	memcpy (crtc->panningBorder, border, 4*sizeof(INT16));
+
+    if (xf86RandR13VerifyPanningArea (crtc, pScreen->width, pScreen->height)) {
+	xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY);
+	return TRUE;
+    } else {
+	/* Restore old settings */
+	memcpy (&crtc->panningTotalArea,    &oldTotalArea,    sizeof(BoxRec));
+	memcpy (&crtc->panningTrackingArea, &oldTrackingArea, sizeof(BoxRec));
+	memcpy (crtc->panningBorder,         oldBorder,       4*sizeof(INT16));
+	return FALSE;
+    }
+}
+
+/*
+ * Compatibility with XF86VidMode's gamma changer.  This necessarily clobbers
+ * any per-crtc setup.  You asked for it...
+ */
+
+static void
+gamma_to_ramp(float gamma, CARD16 *ramp, int size)
+{
+    int i;
+
+    for (i = 0; i < size; i++) {
+	if (gamma == 1.0)
+	    ramp[i] = i << 8;
+	else
+	    ramp[i] = (CARD16)(pow((double)i / (double)(size - 1), 1. / gamma)
+			       * (double)(size - 1) * 256);
+    }
+}
+
+static int
+xf86RandR12ChangeGamma(int scrnIndex, Gamma gamma)
+{
+    CARD16 *points, *red, *green, *blue;
+    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+    RRCrtcPtr crtc = xf86CompatRRCrtc(pScrn);
+    int size;
+
+    if (!crtc)
+	return Success;
+
+    size = max(0, crtc->gammaSize);
+    if (!size)
+	return Success;
+
+    points = calloc(size, 3 * sizeof(CARD16));
+    if (!points)
+	return BadAlloc;
+
+    red = points;
+    green = points + size;
+    blue = points + 2 * size;
+
+    gamma_to_ramp(gamma.red, red, size);
+    gamma_to_ramp(gamma.green, green, size);
+    gamma_to_ramp(gamma.blue, blue, size);
+    RRCrtcGammaSet(crtc, red, green, blue);
+
+    free(points);
+
+    pScrn->gamma = gamma;
+
+    return Success;
+}
+
+static Bool
+xf86RandR12EnterVT (int screen_index, int flags)
+{
+    ScreenPtr        pScreen = screenInfo.screens[screen_index];
+    ScrnInfoPtr	     pScrn = xf86Screens[screen_index];
+    XF86RandRInfoPtr randrp  = XF86RANDRINFO(pScreen);
+    rrScrPrivPtr     rp = rrGetScrPriv(pScreen);
+    Bool	     ret;
+    int              i;
+
+    if (randrp->orig_EnterVT) {
+	pScrn->EnterVT = randrp->orig_EnterVT;
+	ret = pScrn->EnterVT (screen_index, flags);
+	randrp->orig_EnterVT = pScrn->EnterVT;
+	pScrn->EnterVT = xf86RandR12EnterVT;
+	if (!ret)
+	    return FALSE;
+    }
+
+    /* reload gamma */
+    for (i = 0; i < rp->numCrtcs; i++)
+	xf86RandR12CrtcSetGamma(pScreen, rp->crtcs[i]);
+
+    return RRGetInfo (pScreen, TRUE); /* force a re-probe of outputs and notify clients about changes */
+}
+
+static Bool
+xf86RandR12Init12 (ScreenPtr pScreen)
+{
+    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
+    rrScrPrivPtr	rp = rrGetScrPriv(pScreen);
+    XF86RandRInfoPtr	randrp  = XF86RANDRINFO(pScreen);
+    int i;
+
+    rp->rrGetInfo = xf86RandR12GetInfo12;
+    rp->rrScreenSetSize = xf86RandR12ScreenSetSize;
+    rp->rrCrtcSet = xf86RandR12CrtcSet;
+    rp->rrCrtcSetGamma = xf86RandR12CrtcSetGamma;
+    rp->rrCrtcGetGamma = xf86RandR12CrtcGetGamma;
+    rp->rrOutputSetProperty = xf86RandR12OutputSetProperty;
+    rp->rrOutputValidateMode = xf86RandR12OutputValidateMode;
+#if RANDR_13_INTERFACE
+    rp->rrOutputGetProperty = xf86RandR13OutputGetProperty;
+    rp->rrGetPanning = xf86RandR13GetPanning;
+    rp->rrSetPanning = xf86RandR13SetPanning;
+#endif
+    rp->rrModeDestroy = xf86RandR12ModeDestroy;
+    rp->rrSetConfig = NULL;
+    pScrn->PointerMoved = xf86RandR12PointerMoved;
+    pScrn->ChangeGamma = xf86RandR12ChangeGamma;
+
+    randrp->orig_EnterVT = pScrn->EnterVT;
+    pScrn->EnterVT = xf86RandR12EnterVT;
+
+    if (!xf86RandR12CreateObjects12 (pScreen))
+	return FALSE;
+
+    /*
+     * Configure output modes
+     */
+    if (!xf86RandR12SetInfo12 (pScreen))
+	return FALSE;
+    for (i = 0; i < rp->numCrtcs; i++) {
+	xf86RandR12CrtcGetGamma(pScreen, rp->crtcs[i]);
+    }
+    return TRUE;
+}
+
+#endif
+
+Bool
+xf86RandR12PreInit (ScrnInfoPtr pScrn)
+{
+    return TRUE;
+}