1987 lines
		
	
	
		
			60 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			1987 lines
		
	
	
		
			60 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.
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|  *
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|  * Permission to use, copy, modify, distribute, and sell this software and its
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|  * documentation for any purpose is hereby granted without fee, provided that
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|  * the above copyright notice appear in all copies and that both that copyright
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|  * notice and this permission notice appear in supporting documentation, and
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|  * that the name of the copyright holders not be used in advertising or
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|  * publicity pertaining to distribution of the software without specific,
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|  * written prior permission.  The copyright holders make no representations
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|  * about the suitability of this software for any purpose.  It is provided "as
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|  * is" without express or implied warranty.
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|  *
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|  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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|  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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|  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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|  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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|  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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|  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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|  * OF THIS SOFTWARE.
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|  */
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| 
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| #ifdef HAVE_XORG_CONFIG_H
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| #include <xorg-config.h>
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| #else
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| #ifdef HAVE_CONFIG_H
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| #include <config.h>
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| #endif
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| #endif
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| 
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| #include "xf86.h"
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| #include "os.h"
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| #include "globals.h"
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| #include "xf86Modes.h"
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| #include "xf86Priv.h"
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| #include "xf86DDC.h"
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| #include "mipointer.h"
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| #include "windowstr.h"
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| #include "inputstr.h"
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| #include <randrstr.h>
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| #include <X11/extensions/render.h>
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| 
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| #include "xf86Crtc.h"
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| #include "xf86RandR12.h"
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| 
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| typedef struct _xf86RandR12Info {
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|     int virtualX;
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|     int virtualY;
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|     int mmWidth;
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|     int mmHeight;
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|     int maxX;
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|     int maxY;
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|     int pointerX;
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|     int pointerY;
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|     Rotation rotation;          /* current mode */
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|     Rotation supported_rotations;       /* driver supported */
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| 
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|     /* Used to wrap EnterVT so we can re-probe the outputs when a laptop unsuspends
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|      * (actually, any time that we switch back into our VT).
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|      *
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|      * See https://bugs.freedesktop.org/show_bug.cgi?id=21554
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|      */
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|     xf86EnterVTProc *orig_EnterVT;
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| 
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|     Bool                         panning;
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|     ConstrainCursorHarderProcPtr orig_ConstrainCursorHarder;
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| } XF86RandRInfoRec, *XF86RandRInfoPtr;
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| 
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| #ifdef RANDR_12_INTERFACE
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| static Bool xf86RandR12Init12(ScreenPtr pScreen);
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| static Bool xf86RandR12CreateScreenResources12(ScreenPtr pScreen);
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| #endif
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| 
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| static int xf86RandR12Generation;
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| 
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| static DevPrivateKeyRec xf86RandR12KeyRec;
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| static DevPrivateKey xf86RandR12Key;
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| 
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| #define XF86RANDRINFO(p) ((XF86RandRInfoPtr) \
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|     dixLookupPrivate(&(p)->devPrivates, xf86RandR12Key))
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| 
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| static int
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| xf86RandR12ModeRefresh(DisplayModePtr mode)
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| {
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|     if (mode->VRefresh)
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|         return (int) (mode->VRefresh + 0.5);
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|     else
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|         return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5);
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| }
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| 
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| /* Adapt panning area; return TRUE if panning area was valid without adaption */
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| static int
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| xf86RandR13VerifyPanningArea(xf86CrtcPtr crtc, int screenWidth,
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|                              int screenHeight)
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| {
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|     int ret = TRUE;
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| 
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|     if (crtc->version < 2)
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|         return FALSE;
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| 
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|     if (crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1) {
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|         /* Panning in X is disabled */
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|         if (crtc->panningTotalArea.x1 || crtc->panningTotalArea.x2)
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|             /* Illegal configuration -> fail/disable */
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|             ret = FALSE;
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|         crtc->panningTotalArea.x1 = crtc->panningTotalArea.x2 = 0;
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|         crtc->panningTrackingArea.x1 = crtc->panningTrackingArea.x2 = 0;
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|         crtc->panningBorder[0] = crtc->panningBorder[2] = 0;
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|     }
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|     else {
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|         /* Panning in X is enabled */
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|         if (crtc->panningTotalArea.x1 < 0) {
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|             /* Panning region outside screen -> move inside */
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|             crtc->panningTotalArea.x2 -= crtc->panningTotalArea.x1;
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|             crtc->panningTotalArea.x1 = 0;
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|             ret = FALSE;
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|         }
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|         if (crtc->panningTotalArea.x2 <
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|             crtc->panningTotalArea.x1 + crtc->mode.HDisplay) {
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|             /* Panning region smaller than displayed area -> crop to displayed area */
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|             crtc->panningTotalArea.x2 =
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|                 crtc->panningTotalArea.x1 + crtc->mode.HDisplay;
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|             ret = FALSE;
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|         }
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|         if (crtc->panningTotalArea.x2 > screenWidth) {
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|             /* Panning region larger than screen -> move inside, then crop to screen */
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|             crtc->panningTotalArea.x1 -=
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|                 crtc->panningTotalArea.x2 - screenWidth;
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|             crtc->panningTotalArea.x2 = screenWidth;
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|             ret = FALSE;
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|             if (crtc->panningTotalArea.x1 < 0)
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|                 crtc->panningTotalArea.x1 = 0;
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|         }
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|         if (crtc->panningBorder[0] + crtc->panningBorder[2] >
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|             crtc->mode.HDisplay) {
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|             /* Borders too large -> set to 0 */
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|             crtc->panningBorder[0] = crtc->panningBorder[2] = 0;
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|             ret = FALSE;
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|         }
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|     }
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| 
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|     if (crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1) {
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|         /* Panning in Y is disabled */
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|         if (crtc->panningTotalArea.y1 || crtc->panningTotalArea.y2)
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|             /* Illegal configuration -> fail/disable */
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|             ret = FALSE;
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|         crtc->panningTotalArea.y1 = crtc->panningTotalArea.y2 = 0;
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|         crtc->panningTrackingArea.y1 = crtc->panningTrackingArea.y2 = 0;
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|         crtc->panningBorder[1] = crtc->panningBorder[3] = 0;
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|     }
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|     else {
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|         /* Panning in Y is enabled */
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|         if (crtc->panningTotalArea.y1 < 0) {
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|             /* Panning region outside screen -> move inside */
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|             crtc->panningTotalArea.y2 -= crtc->panningTotalArea.y1;
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|             crtc->panningTotalArea.y1 = 0;
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|             ret = FALSE;
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|         }
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|         if (crtc->panningTotalArea.y2 <
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|             crtc->panningTotalArea.y1 + crtc->mode.VDisplay) {
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|             /* Panning region smaller than displayed area -> crop to displayed area */
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|             crtc->panningTotalArea.y2 =
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|                 crtc->panningTotalArea.y1 + crtc->mode.VDisplay;
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|             ret = FALSE;
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|         }
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|         if (crtc->panningTotalArea.y2 > screenHeight) {
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|             /* Panning region larger than screen -> move inside, then crop to screen */
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|             crtc->panningTotalArea.y1 -=
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|                 crtc->panningTotalArea.y2 - screenHeight;
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|             crtc->panningTotalArea.y2 = screenHeight;
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|             ret = FALSE;
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|             if (crtc->panningTotalArea.y1 < 0)
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|                 crtc->panningTotalArea.y1 = 0;
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|         }
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|         if (crtc->panningBorder[1] + crtc->panningBorder[3] >
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|             crtc->mode.VDisplay) {
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|             /* Borders too large -> set to 0 */
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|             crtc->panningBorder[1] = crtc->panningBorder[3] = 0;
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|             ret = FALSE;
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|         }
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|     }
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| 
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|     return ret;
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| }
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| 
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| /*
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|  * The heart of the panning operation:
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|  *
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|  * Given a frame buffer position (fb_x, fb_y),
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|  * and a crtc position (crtc_x, crtc_y),
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|  * and a transform matrix which maps frame buffer to crtc,
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|  * compute a panning position (pan_x, pan_y) that
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|  * makes the resulting transform line those two up
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|  */
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| 
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| static void
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| xf86ComputeCrtcPan(Bool transform_in_use,
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|                    struct pixman_f_transform *m,
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|                    double screen_x, double screen_y,
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|                    double crtc_x, double crtc_y,
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|                    int old_pan_x, int old_pan_y, int *new_pan_x, int *new_pan_y)
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| {
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|     if (transform_in_use) {
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|         /*
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|          * Given the current transform, M, the current position
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|          * on the Screen, S, and the desired position on the CRTC,
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|          * C, compute a translation, T, such that:
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|          *
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|          * M T S = C
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|          *
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|          * where T is of the form
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|          *
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|          * | 1 0 dx |
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|          * | 0 1 dy |
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|          * | 0 0 1  |
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|          *
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|          * M T S =
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|          *   | M00 Sx + M01 Sy + M00 dx + M01 dy + M02 |   | Cx F |
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|          *   | M10 Sx + M11 Sy + M10 dx + M11 dy + M12 | = | Cy F |
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|          *   | M20 Sx + M21 Sy + M20 dx + M21 dy + M22 |   |  F   |
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|          *
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|          * R = M S
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|          *
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|          *   Cx F = M00 dx + M01 dy + R0
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|          *   Cy F = M10 dx + M11 dy + R1
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|          *      F = M20 dx + M21 dy + R2
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|          *
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|          * Zero out dx, then dy
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|          *
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|          * F (Cx M10 - Cy M00) =
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|          *          (M10 M01 - M00 M11) dy + M10 R0 - M00 R1
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|          * F (M10 - Cy M20) =
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|          *          (M10 M21 - M20 M11) dy + M10 R2 - M20 R1
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|          *
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|          * F (Cx M11 - Cy M01) =
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|          *          (M11 M00 - M01 M10) dx + M11 R0 - M01 R1
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|          * F (M11 - Cy M21) =
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|          *          (M11 M20 - M21 M10) dx + M11 R2 - M21 R1
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|          *
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|          * Make some temporaries
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|          *
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|          * T = | Cx M10 - Cy M00 |
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|          *     | Cx M11 - Cy M01 |
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|          *
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|          * U = | M10 M01 - M00 M11 |
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|          *     | M11 M00 - M01 M10 |
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|          *
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|          * Q = | M10 R0 - M00 R1 |
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|          *     | M11 R0 - M01 R1 |
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|          *
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|          * P = | M10 - Cy M20 |
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|          *     | M11 - Cy M21 |
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|          *
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|          * W = | M10 M21 - M20 M11 |
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|          *     | M11 M20 - M21 M10 |
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|          *
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|          * V = | M10 R2 - M20 R1 |
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|          *         | M11 R2 - M21 R1 |
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|          *
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|          * Rewrite:
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|          *
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|          * F T0 = U0 dy + Q0
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|          * F P0 = W0 dy + V0
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|          * F T1 = U1 dx + Q1
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|          * F P1 = W1 dx + V1
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|          *
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|          * Solve for F (two ways)
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|          *
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|          * F (W0 T0 - U0 P0)  = W0 Q0 - U0 V0
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|          *
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|          *     W0 Q0 - U0 V0
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|          * F = -------------
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|          *     W0 T0 - U0 P0
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|          *
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|          * F (W1 T1 - U1 P1) = W1 Q1 - U1 V1
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|          *
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|          *     W1 Q1 - U1 V1
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|          * F = -------------
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|          *     W1 T1 - U1 P1
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|          *
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|          * We'll use which ever solution works (denominator != 0)
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|          *
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|          * Finally, solve for dx and dy:
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|          *
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|          * dx = (F T1 - Q1) / U1
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|          * dx = (F P1 - V1) / W1
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|          *
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|          * dy = (F T0 - Q0) / U0
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|          * dy = (F P0 - V0) / W0
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|          */
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|         double r[3];
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|         double q[2], u[2], t[2], v[2], w[2], p[2];
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|         double f;
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|         struct pict_f_vector d;
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|         int i;
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| 
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|         /* Get the un-normalized crtc coordinates again */
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|         for (i = 0; i < 3; i++)
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|             r[i] = m->m[i][0] * screen_x + m->m[i][1] * screen_y + m->m[i][2];
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| 
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|         /* Combine values into temporaries */
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|         for (i = 0; i < 2; i++) {
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|             q[i] = m->m[1][i] * r[0] - m->m[0][i] * r[1];
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|             u[i] = m->m[1][i] * m->m[0][1 - i] - m->m[0][i] * m->m[1][1 - i];
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|             t[i] = m->m[1][i] * crtc_x - m->m[0][i] * crtc_y;
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| 
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|             v[i] = m->m[1][i] * r[2] - m->m[2][i] * r[1];
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|             w[i] = m->m[1][i] * m->m[2][1 - i] - m->m[2][i] * m->m[1][1 - i];
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|             p[i] = m->m[1][i] - m->m[2][i] * crtc_y;
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|         }
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| 
 | |
|         /* Find a way to compute f */
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|         f = 0;
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|         for (i = 0; i < 2; i++) {
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|             double a = w[i] * q[i] - u[i] * v[i];
 | |
|             double b = w[i] * t[i] - u[i] * p[i];
 | |
| 
 | |
|             if (b != 0) {
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|                 f = a / b;
 | |
|                 break;
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|             }
 | |
|         }
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| 
 | |
|         /* Solve for the resulting transform vector */
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|         for (i = 0; i < 2; i++) {
 | |
|             if (u[i])
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|                 d.v[1 - i] = (t[i] * f - q[i]) / u[i];
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|             else if (w[1])
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|                 d.v[1 - i] = (p[i] * f - v[i]) / w[i];
 | |
|             else
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|                 d.v[1 - i] = 0;
 | |
|         }
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|         *new_pan_x = old_pan_x - floor(d.v[0] + 0.5);
 | |
|         *new_pan_y = old_pan_y - floor(d.v[1] + 0.5);
 | |
|     }
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|     else {
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|         *new_pan_x = screen_x - crtc_x;
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|         *new_pan_y = screen_y - crtc_y;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
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| 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 = xf86ScreenToScrn(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 = xf86ScreenToScrn(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) (scrp, 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) (scrp, TRUE);
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| Bool
 | |
| xf86RandR12SetConfig(ScreenPtr pScreen,
 | |
|                      Rotation rotation, int rate, RRScreenSizePtr pSize)
 | |
| {
 | |
|     ScrnInfoPtr scrp = xf86ScreenToScrn(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;
 | |
| }
 | |
| 
 | |
| #define PANNING_ENABLED(crtc)                                           \
 | |
|     ((crtc)->panningTotalArea.x2 > (crtc)->panningTotalArea.x1 ||       \
 | |
|      (crtc)->panningTotalArea.y2 > (crtc)->panningTotalArea.y1)
 | |
| 
 | |
| static Bool
 | |
| xf86RandR12ScreenSetSize(ScreenPtr pScreen,
 | |
|                          CARD16 width,
 | |
|                          CARD16 height, CARD32 mmWidth, CARD32 mmHeight)
 | |
| {
 | |
|     XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
 | |
|     ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
 | |
|     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
 | |
|     WindowPtr pRoot = pScreen->root;
 | |
|     PixmapPtr pScrnPix;
 | |
|     Bool ret = FALSE;
 | |
|     Bool panning = 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) (pScrn, 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 (PANNING_ENABLED (crtc)) {
 | |
|             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);
 | |
| 	    panning = TRUE;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     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:
 | |
|     update_desktop_dimensions();
 | |
| 
 | |
|     if (pRoot && pScrn->vtSema)
 | |
|         (*pScrn->EnableDisableFBAccess) (pScrn, 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 = xf86ScreenToScrn(pScreen);
 | |
|     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
 | |
|     xf86ScreenToScrn(pScreen)->EnterVT = randrp->orig_EnterVT;
 | |
|     pScreen->ConstrainCursorHarder = randrp->orig_ConstrainCursorHarder;
 | |
| #endif
 | |
| 
 | |
|     free(randrp);
 | |
| }
 | |
| 
 | |
| void
 | |
| xf86RandR12SetRotations(ScreenPtr pScreen, Rotation rotations)
 | |
| {
 | |
|     XF86RandRInfoPtr randrp;
 | |
| 
 | |
| #if RANDR_12_INTERFACE
 | |
|     ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
 | |
|     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 = xf86ScreenToScrn(pScreen);
 | |
|     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 = xf86ScrnToScreen(pScrn);
 | |
| 
 | |
|     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 = xf86ScreenToScrn(pScreen);
 | |
|     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 = xf86ScreenToScrn(pScreen);
 | |
|     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;
 | |
| 
 | |
|     if (crtc->current_scanout != randr_crtc->scanout_pixmap)
 | |
|         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);
 | |
|             randrp->panning = PANNING_ENABLED (crtc);
 | |
|             /*
 | |
|              * Save the last successful setting for EnterVT
 | |
|              */
 | |
|             xf86SaveModeContents(&crtc->desiredMode, &mode);
 | |
|             crtc->desiredRotation = rotation;
 | |
|             crtc->current_scanout = randr_crtc->scanout_pixmap;
 | |
|             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 = xf86ScreenToScrn(pScreen);
 | |
|     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 = xf86ScreenToScrn(pScreen);
 | |
|     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 = xf86ScreenToScrn(pScreen);
 | |
| 
 | |
|     if (!pScrn->vtSema)
 | |
|         return TRUE;
 | |
|     xf86ProbeOutputModes(pScrn, 0, 0);
 | |
|     xf86SetScrnInfoModes(pScrn);
 | |
|     return xf86RandR12SetInfo12(pScreen);
 | |
| }
 | |
| 
 | |
| static Bool
 | |
| xf86RandR12CreateObjects12(ScreenPtr pScreen)
 | |
| {
 | |
|     ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
 | |
|     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);
 | |
|     }
 | |
| 
 | |
|     if (config->name) {
 | |
|         config->randr_provider = RRProviderCreate(pScreen, config->name,
 | |
|                                                   strlen(config->name));
 | |
| 
 | |
|         RRProviderSetCapabilities(config->randr_provider, pScrn->capabilities);
 | |
|     }
 | |
| 
 | |
|     return TRUE;
 | |
| }
 | |
| 
 | |
| static Bool
 | |
| xf86RandR12CreateScreenResources12(ScreenPtr pScreen)
 | |
| {
 | |
|     int c;
 | |
|     ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
 | |
|     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 = xf86ScreenToScrn(pScreen);
 | |
|     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(ScrnInfoPtr pScrn, int x, int y)
 | |
| {
 | |
|     ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
 | |
|     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];
 | |
|     Bool oldPanning = randrp->panning;
 | |
| 
 | |
|     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);
 | |
|         randrp->panning = PANNING_ENABLED (crtc);
 | |
|         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));
 | |
|         randrp->panning = oldPanning;
 | |
|         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 | i << 8;
 | |
|         else
 | |
|             ramp[i] =
 | |
|                 (CARD16) (pow((double) i / (double) (size - 1), 1. / gamma)
 | |
|                           * (double) (size - 1) * 257);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static int
 | |
| xf86RandR12ChangeGamma(ScrnInfoPtr pScrn, Gamma gamma)
 | |
| {
 | |
|     CARD16 *points, *red, *green, *blue;
 | |
|     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(ScrnInfoPtr pScrn)
 | |
| {
 | |
|     ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
 | |
|     XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
 | |
|     rrScrPrivPtr rp = rrGetScrPriv(pScreen);
 | |
|     Bool ret;
 | |
|     int i;
 | |
| 
 | |
|     if (randrp->orig_EnterVT) {
 | |
|         pScrn->EnterVT = randrp->orig_EnterVT;
 | |
|         ret = pScrn->EnterVT(pScrn);
 | |
|         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 void
 | |
| xf86DetachOutputGPU(ScreenPtr pScreen)
 | |
| {
 | |
|     rrScrPrivPtr rp = rrGetScrPriv(pScreen);
 | |
|     int i;
 | |
| 
 | |
|     /* make sure there are no attached shared scanout pixmaps first */
 | |
|     for (i = 0; i < rp->numCrtcs; i++)
 | |
|         RRCrtcDetachScanoutPixmap(rp->crtcs[i]);
 | |
| 
 | |
|     DetachOutputGPU(pScreen);
 | |
| }
 | |
| 
 | |
| static Bool
 | |
| xf86RandR14ProviderSetOutputSource(ScreenPtr pScreen,
 | |
|                                    RRProviderPtr provider,
 | |
|                                    RRProviderPtr source_provider)
 | |
| {
 | |
|     if (!source_provider) {
 | |
|         if (provider->output_source) {
 | |
|             ScreenPtr cmScreen = pScreen->current_master;
 | |
| 
 | |
|             xf86DetachOutputGPU(pScreen);
 | |
|             AttachUnboundGPU(cmScreen, pScreen);
 | |
|         }
 | |
|         provider->output_source = NULL;
 | |
|         return TRUE;
 | |
|     }
 | |
| 
 | |
|     if (provider->output_source == source_provider)
 | |
|         return TRUE;
 | |
| 
 | |
|     SetRootClip(source_provider->pScreen, FALSE);
 | |
| 
 | |
|     DetachUnboundGPU(pScreen);
 | |
|     AttachOutputGPU(source_provider->pScreen, pScreen);
 | |
| 
 | |
|     provider->output_source = source_provider;
 | |
|     SetRootClip(source_provider->pScreen, TRUE);
 | |
|     return TRUE;
 | |
| }
 | |
| 
 | |
| static Bool
 | |
| xf86RandR14ProviderSetOffloadSink(ScreenPtr pScreen,
 | |
|                                   RRProviderPtr provider,
 | |
|                                   RRProviderPtr sink_provider)
 | |
| {
 | |
|     if (!sink_provider) {
 | |
|         if (provider->offload_sink) {
 | |
|             ScreenPtr cmScreen = pScreen->current_master;
 | |
|             xf86DetachOutputGPU(pScreen);
 | |
|             AttachUnboundGPU(cmScreen, pScreen);
 | |
|         }
 | |
| 
 | |
|         provider->offload_sink = NULL;
 | |
|         return TRUE;
 | |
|     }
 | |
| 
 | |
|     if (provider->offload_sink == sink_provider)
 | |
|         return TRUE;
 | |
| 
 | |
|     DetachUnboundGPU(pScreen);
 | |
|     AttachOffloadGPU(sink_provider->pScreen, pScreen);
 | |
| 
 | |
|     provider->offload_sink = sink_provider;
 | |
|     return TRUE;
 | |
| }
 | |
| 
 | |
| static Bool
 | |
| xf86RandR14ProviderSetProperty(ScreenPtr pScreen,
 | |
|                              RRProviderPtr randr_provider,
 | |
|                              Atom property, RRPropertyValuePtr value)
 | |
| {
 | |
|     ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
 | |
|     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
 | |
| 
 | |
|     /* If we don't have any property handler, then we don't care what the
 | |
|      * user is setting properties to.
 | |
|      */
 | |
|     if (config->provider_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 config->provider_funcs->set_property(pScrn, property, value);
 | |
| }
 | |
| 
 | |
| static Bool
 | |
| xf86RandR14ProviderGetProperty(ScreenPtr pScreen,
 | |
|                                RRProviderPtr randr_provider, Atom property)
 | |
| {
 | |
|     ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
 | |
|     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
 | |
| 
 | |
|     if (config->provider_funcs->get_property == NULL)
 | |
|         return TRUE;
 | |
| 
 | |
|     /* Should be safe even w/o vtSema */
 | |
|     return config->provider_funcs->get_property(pScrn, property);
 | |
| }
 | |
| 
 | |
| static Bool
 | |
| xf86CrtcSetScanoutPixmap(RRCrtcPtr randr_crtc, PixmapPtr pixmap)
 | |
| {
 | |
|     xf86CrtcPtr crtc = randr_crtc->devPrivate;
 | |
|     if (!crtc->funcs->set_scanout_pixmap)
 | |
|         return FALSE;
 | |
|     return crtc->funcs->set_scanout_pixmap(crtc, pixmap);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xf86RandR13ConstrainCursorHarder(DeviceIntPtr dev, ScreenPtr screen, int mode, int *x, int *y)
 | |
| {
 | |
|     XF86RandRInfoPtr randrp = XF86RANDRINFO(screen);
 | |
| 
 | |
|     if (randrp->panning)
 | |
|         return;
 | |
| 
 | |
|     if (randrp->orig_ConstrainCursorHarder) {
 | |
|         screen->ConstrainCursorHarder = randrp->orig_ConstrainCursorHarder;
 | |
|         screen->ConstrainCursorHarder(dev, screen, mode, x, y);
 | |
|         screen->ConstrainCursorHarder = xf86RandR13ConstrainCursorHarder;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| xf86RandR14ProviderDestroy(ScreenPtr screen, RRProviderPtr provider)
 | |
| {
 | |
|     ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
 | |
|     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
 | |
|     
 | |
|     if (config->randr_provider == provider) {
 | |
|         if (config->randr_provider->offload_sink) {
 | |
|             DetachOffloadGPU(screen);
 | |
|             config->randr_provider->offload_sink = NULL;
 | |
|             RRSetChanged(screen);
 | |
|         }
 | |
|         else if (config->randr_provider->output_source) {
 | |
|             xf86DetachOutputGPU(screen);
 | |
|             config->randr_provider->output_source = NULL;
 | |
|             RRSetChanged(screen);
 | |
|         }
 | |
|         else if (screen->current_master)
 | |
|             DetachUnboundGPU(screen);
 | |
|     }
 | |
|     config->randr_provider = NULL;
 | |
| }
 | |
| 
 | |
| static Bool
 | |
| xf86RandR12Init12(ScreenPtr pScreen)
 | |
| {
 | |
|     ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
 | |
|     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;
 | |
| 
 | |
|     rp->rrProviderSetOutputSource = xf86RandR14ProviderSetOutputSource;
 | |
|     rp->rrProviderSetOffloadSink = xf86RandR14ProviderSetOffloadSink;
 | |
| 
 | |
|     rp->rrProviderSetProperty = xf86RandR14ProviderSetProperty;
 | |
|     rp->rrProviderGetProperty = xf86RandR14ProviderGetProperty;
 | |
|     rp->rrCrtcSetScanoutPixmap = xf86CrtcSetScanoutPixmap;
 | |
|     rp->rrProviderDestroy = xf86RandR14ProviderDestroy;
 | |
| 
 | |
|     pScrn->PointerMoved = xf86RandR12PointerMoved;
 | |
|     pScrn->ChangeGamma = xf86RandR12ChangeGamma;
 | |
| 
 | |
|     randrp->orig_EnterVT = pScrn->EnterVT;
 | |
|     pScrn->EnterVT = xf86RandR12EnterVT;
 | |
| 
 | |
|     randrp->panning = FALSE;
 | |
|     randrp->orig_ConstrainCursorHarder = pScreen->ConstrainCursorHarder;
 | |
|     pScreen->ConstrainCursorHarder = xf86RandR13ConstrainCursorHarder;
 | |
| 
 | |
|     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;
 | |
| }
 |