/* * Copyright © 2000 Compaq Computer Corporation * Copyright © 2002 Hewlett-Packard Company * Copyright © 2006 Intel Corporation * Copyright © 2008 Red Hat, 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. * * Author: Jim Gettys, Hewlett-Packard Company, Inc. * Keith Packard, Intel Corporation */ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> #endif #ifndef _RANDRSTR_H_ #define _RANDRSTR_H_ #include <X11/X.h> #include <X11/Xproto.h> #include "misc.h" #include "os.h" #include "dixstruct.h" #include "resource.h" #include "scrnintstr.h" #include "windowstr.h" #include "pixmapstr.h" #include "extnsionst.h" #include "servermd.h" #include "rrtransform.h" #include <X11/extensions/randr.h> #include <X11/extensions/randrproto.h> #ifdef RENDER #include <X11/extensions/render.h> /* we share subpixel order information */ #include "picturestr.h" #endif #include <X11/Xfuncproto.h> /* required for ABI compatibility for now */ #define RANDR_10_INTERFACE 1 #define RANDR_12_INTERFACE 1 #define RANDR_13_INTERFACE 1 /* requires RANDR_12_INTERFACE */ #define RANDR_GET_CRTC_INTERFACE 1 #define RANDR_INTERFACE_VERSION 0x0103 typedef XID RRMode; typedef XID RROutput; typedef XID RRCrtc; extern _X_EXPORT int RREventBase, RRErrorBase; extern _X_EXPORT int (*ProcRandrVector[RRNumberRequests])(ClientPtr); extern _X_EXPORT int (*SProcRandrVector[RRNumberRequests])(ClientPtr); /* * Modeline for a monitor. Name follows directly after this struct */ #define RRModeName(pMode) ((char *) (pMode + 1)) typedef struct _rrMode RRModeRec, *RRModePtr; typedef struct _rrPropertyValue RRPropertyValueRec, *RRPropertyValuePtr; typedef struct _rrProperty RRPropertyRec, *RRPropertyPtr; typedef struct _rrCrtc RRCrtcRec, *RRCrtcPtr; typedef struct _rrOutput RROutputRec, *RROutputPtr; struct _rrMode { int refcnt; xRRModeInfo mode; char *name; ScreenPtr userScreen; }; struct _rrPropertyValue { Atom type; /* ignored by server */ short format; /* format of data for swapping - 8,16,32 */ long size; /* size of data in (format/8) bytes */ pointer data; /* private to client */ }; struct _rrProperty { RRPropertyPtr next; ATOM propertyName; Bool is_pending; Bool range; Bool immutable; int num_valid; INT32 *valid_values; RRPropertyValueRec current, pending; }; struct _rrCrtc { RRCrtc id; ScreenPtr pScreen; RRModePtr mode; int x, y; Rotation rotation; Rotation rotations; Bool changed; int numOutputs; RROutputPtr *outputs; int gammaSize; CARD16 *gammaRed; CARD16 *gammaBlue; CARD16 *gammaGreen; void *devPrivate; Bool transforms; RRTransformRec client_pending_transform; RRTransformRec client_current_transform; PictTransform transform; struct pict_f_transform f_transform; struct pict_f_transform f_inverse; }; struct _rrOutput { RROutput id; ScreenPtr pScreen; char *name; int nameLength; CARD8 connection; CARD8 subpixelOrder; int mmWidth; int mmHeight; RRCrtcPtr crtc; int numCrtcs; RRCrtcPtr *crtcs; int numClones; RROutputPtr *clones; int numModes; int numPreferred; RRModePtr *modes; int numUserModes; RRModePtr *userModes; Bool changed; RRPropertyPtr properties; Bool pendingProperties; void *devPrivate; }; #if RANDR_12_INTERFACE typedef Bool (*RRScreenSetSizeProcPtr) (ScreenPtr pScreen, CARD16 width, CARD16 height, CARD32 mmWidth, CARD32 mmHeight); typedef Bool (*RRCrtcSetProcPtr) (ScreenPtr pScreen, RRCrtcPtr crtc, RRModePtr mode, int x, int y, Rotation rotation, int numOutputs, RROutputPtr *outputs); typedef Bool (*RRCrtcSetGammaProcPtr) (ScreenPtr pScreen, RRCrtcPtr crtc); typedef Bool (*RRCrtcGetGammaProcPtr) (ScreenPtr pScreen, RRCrtcPtr crtc); typedef Bool (*RROutputSetPropertyProcPtr) (ScreenPtr pScreen, RROutputPtr output, Atom property, RRPropertyValuePtr value); typedef Bool (*RROutputValidateModeProcPtr) (ScreenPtr pScreen, RROutputPtr output, RRModePtr mode); typedef void (*RRModeDestroyProcPtr) (ScreenPtr pScreen, RRModePtr mode); #endif #if RANDR_13_INTERFACE typedef Bool (*RROutputGetPropertyProcPtr) (ScreenPtr pScreen, RROutputPtr output, Atom property); typedef Bool (*RRGetPanningProcPtr) (ScreenPtr pScrn, RRCrtcPtr crtc, BoxPtr totalArea, BoxPtr trackingArea, INT16 *border); typedef Bool (*RRSetPanningProcPtr) (ScreenPtr pScrn, RRCrtcPtr crtc, BoxPtr totalArea, BoxPtr trackingArea, INT16 *border); #endif /* RANDR_13_INTERFACE */ typedef Bool (*RRGetInfoProcPtr) (ScreenPtr pScreen, Rotation *rotations); typedef Bool (*RRCloseScreenProcPtr) ( int i, ScreenPtr pscreen); /* These are for 1.0 compatibility */ typedef struct _rrRefresh { CARD16 rate; RRModePtr mode; } RRScreenRate, *RRScreenRatePtr; typedef struct _rrScreenSize { int id; short width, height; short mmWidth, mmHeight; int nRates; RRScreenRatePtr pRates; } RRScreenSize, *RRScreenSizePtr; #ifdef RANDR_10_INTERFACE typedef Bool (*RRSetConfigProcPtr) (ScreenPtr pScreen, Rotation rotation, int rate, RRScreenSizePtr pSize); #endif typedef struct _rrScrPriv { /* * 'public' part of the structure; DDXen fill this in * as they initialize */ #if RANDR_10_INTERFACE RRSetConfigProcPtr rrSetConfig; #endif RRGetInfoProcPtr rrGetInfo; #if RANDR_12_INTERFACE RRScreenSetSizeProcPtr rrScreenSetSize; RRCrtcSetProcPtr rrCrtcSet; RRCrtcSetGammaProcPtr rrCrtcSetGamma; RRCrtcGetGammaProcPtr rrCrtcGetGamma; RROutputSetPropertyProcPtr rrOutputSetProperty; RROutputValidateModeProcPtr rrOutputValidateMode; RRModeDestroyProcPtr rrModeDestroy; #endif #if RANDR_13_INTERFACE RROutputGetPropertyProcPtr rrOutputGetProperty; RRGetPanningProcPtr rrGetPanning; RRSetPanningProcPtr rrSetPanning; #endif /* * Private part of the structure; not considered part of the ABI */ TimeStamp lastSetTime; /* last changed by client */ TimeStamp lastConfigTime; /* possible configs changed */ RRCloseScreenProcPtr CloseScreen; Bool changed; /* some config changed */ Bool configChanged; /* configuration changed */ Bool layoutChanged; /* screen layout changed */ CARD16 minWidth, minHeight; CARD16 maxWidth, maxHeight; CARD16 width, height; /* last known screen size */ CARD16 mmWidth, mmHeight; /* last known screen size */ int numOutputs; RROutputPtr *outputs; RROutputPtr primaryOutput; int numCrtcs; RRCrtcPtr *crtcs; /* Last known pointer position */ RRCrtcPtr pointerCrtc; #ifdef RANDR_10_INTERFACE /* * Configuration information */ Rotation rotations; CARD16 reqWidth, reqHeight; int nSizes; RRScreenSizePtr pSizes; Rotation rotation; int rate; int size; #endif } rrScrPrivRec, *rrScrPrivPtr; extern _X_EXPORT DevPrivateKey rrPrivKey; #define rrGetScrPriv(pScr) ((rrScrPrivPtr)dixLookupPrivate(&(pScr)->devPrivates, rrPrivKey)) #define rrScrPriv(pScr) rrScrPrivPtr pScrPriv = rrGetScrPriv(pScr) #define SetRRScreen(s,p) dixSetPrivate(&(s)->devPrivates, rrPrivKey, p) /* * each window has a list of clients requesting * RRNotify events. Each client has a resource * for each window it selects RRNotify input for, * this resource is used to delete the RRNotifyRec * entry from the per-window queue. */ typedef struct _RREvent *RREventPtr; typedef struct _RREvent { RREventPtr next; ClientPtr client; WindowPtr window; XID clientResource; int mask; } RREventRec; typedef struct _RRTimes { TimeStamp setTime; TimeStamp configTime; } RRTimesRec, *RRTimesPtr; typedef struct _RRClient { int major_version; int minor_version; /* RRTimesRec times[0]; */ } RRClientRec, *RRClientPtr; extern _X_EXPORT RESTYPE RRClientType, RREventType; /* resource types for event masks */ extern _X_EXPORT DevPrivateKey RRClientPrivateKey; extern _X_EXPORT RESTYPE RRCrtcType, RRModeType, RROutputType; #define VERIFY_RR_OUTPUT(id, ptr, a)\ {\ int rc = dixLookupResourceByType((pointer *)&(ptr), id,\ RROutputType, client, a);\ if (rc != Success)\ return (rc == BadValue) ? RRErrorBase + BadRROutput : rc;\ } #define VERIFY_RR_CRTC(id, ptr, a)\ {\ int rc = dixLookupResourceByType((pointer *)&(ptr), id,\ RRCrtcType, client, a);\ if (rc != Success)\ return (rc == BadValue) ? RRErrorBase + BadRRCrtc : rc;\ } #define VERIFY_RR_MODE(id, ptr, a)\ {\ int rc = dixLookupResourceByType((pointer *)&(ptr), id,\ RRModeType, client, a);\ if (rc != Success)\ return (rc == BadValue) ? RRErrorBase + BadRRMode : rc;\ } #define GetRRClient(pClient) ((RRClientPtr)dixLookupPrivate(&(pClient)->devPrivates, RRClientPrivateKey)) #define rrClientPriv(pClient) RRClientPtr pRRClient = GetRRClient(pClient) /* Initialize the extension */ extern _X_EXPORT void RRExtensionInit (void); #ifdef RANDR_12_INTERFACE /* * Set the range of sizes for the screen */ extern _X_EXPORT void RRScreenSetSizeRange (ScreenPtr pScreen, CARD16 minWidth, CARD16 minHeight, CARD16 maxWidth, CARD16 maxHeight); #endif /* rrscreen.c */ /* * Notify the extension that the screen size has been changed. * The driver is responsible for calling this whenever it has changed * the size of the screen */ extern _X_EXPORT void RRScreenSizeNotify (ScreenPtr pScreen); /* * Request that the screen be resized */ extern _X_EXPORT Bool RRScreenSizeSet (ScreenPtr pScreen, CARD16 width, CARD16 height, CARD32 mmWidth, CARD32 mmHeight); /* * Send ConfigureNotify event to root window when 'something' happens */ extern _X_EXPORT void RRSendConfigNotify (ScreenPtr pScreen); /* * screen dispatch */ extern _X_EXPORT int ProcRRGetScreenSizeRange (ClientPtr client); extern _X_EXPORT int ProcRRSetScreenSize (ClientPtr client); extern _X_EXPORT int ProcRRGetScreenResources (ClientPtr client); extern _X_EXPORT int ProcRRGetScreenResourcesCurrent (ClientPtr client); extern _X_EXPORT int ProcRRSetScreenConfig (ClientPtr client); extern _X_EXPORT int ProcRRGetScreenInfo (ClientPtr client); /* * Deliver a ScreenNotify event */ extern _X_EXPORT void RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen); /* mirandr.c */ extern _X_EXPORT Bool miRandRInit (ScreenPtr pScreen); extern _X_EXPORT Bool miRRGetInfo (ScreenPtr pScreen, Rotation *rotations); extern _X_EXPORT Bool miRRCrtcSet (ScreenPtr pScreen, RRCrtcPtr crtc, RRModePtr mode, int x, int y, Rotation rotation, int numOutput, RROutputPtr *outputs); extern _X_EXPORT Bool miRROutputSetProperty (ScreenPtr pScreen, RROutputPtr output, Atom property, RRPropertyValuePtr value); extern _X_EXPORT Bool miRROutputGetProperty (ScreenPtr pScreen, RROutputPtr output, Atom property); extern _X_EXPORT Bool miRROutputValidateMode (ScreenPtr pScreen, RROutputPtr output, RRModePtr mode); extern _X_EXPORT void miRRModeDestroy (ScreenPtr pScreen, RRModePtr mode); /* randr.c */ /* * Send all pending events */ extern _X_EXPORT void RRTellChanged (ScreenPtr pScreen); /* * Poll the driver for changed information */ extern _X_EXPORT Bool RRGetInfo (ScreenPtr pScreen, Bool force_query); extern _X_EXPORT Bool RRInit (void); extern _X_EXPORT Bool RRScreenInit(ScreenPtr pScreen); extern _X_EXPORT RROutputPtr RRFirstOutput (ScreenPtr pScreen); extern _X_EXPORT Rotation RRGetRotation (ScreenPtr pScreen); extern _X_EXPORT CARD16 RRVerticalRefresh (xRRModeInfo *mode); #ifdef RANDR_10_INTERFACE /* * This is the old interface, deprecated but left * around for compatibility */ /* * Then, register the specific size with the screen */ extern _X_EXPORT RRScreenSizePtr RRRegisterSize (ScreenPtr pScreen, short width, short height, short mmWidth, short mmHeight); extern _X_EXPORT Bool RRRegisterRate (ScreenPtr pScreen, RRScreenSizePtr pSize, int rate); /* * Finally, set the current configuration of the screen */ extern _X_EXPORT void RRSetCurrentConfig (ScreenPtr pScreen, Rotation rotation, int rate, RRScreenSizePtr pSize); extern _X_EXPORT Bool RRScreenInit (ScreenPtr pScreen); extern _X_EXPORT Rotation RRGetRotation (ScreenPtr pScreen); #endif /* rrcrtc.c */ /* * Notify the CRTC of some change; layoutChanged indicates that * some position or size element changed */ extern _X_EXPORT void RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged); /* * Create a CRTC */ extern _X_EXPORT RRCrtcPtr RRCrtcCreate (ScreenPtr pScreen, void *devPrivate); /* * Set the allowed rotations on a CRTC */ extern _X_EXPORT void RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations); /* * Set whether transforms are allowed on a CRTC */ extern _X_EXPORT void RRCrtcSetTransformSupport (RRCrtcPtr crtc, Bool transforms); /* * Notify the extension that the Crtc has been reconfigured, * the driver calls this whenever it has updated the mode */ extern _X_EXPORT Bool RRCrtcNotify (RRCrtcPtr crtc, RRModePtr mode, int x, int y, Rotation rotation, RRTransformPtr transform, int numOutputs, RROutputPtr *outputs); extern _X_EXPORT void RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc); /* * Request that the Crtc be reconfigured */ extern _X_EXPORT Bool RRCrtcSet (RRCrtcPtr crtc, RRModePtr mode, int x, int y, Rotation rotation, int numOutput, RROutputPtr *outputs); /* * Request that the Crtc gamma be changed */ extern _X_EXPORT Bool RRCrtcGammaSet (RRCrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue); /* * Request current gamma back from the DDX (if possible). * This includes gamma size. */ extern _X_EXPORT Bool RRCrtcGammaGet(RRCrtcPtr crtc); /* * Notify the extension that the Crtc gamma has been changed * The driver calls this whenever it has changed the gamma values * in the RRCrtcRec */ extern _X_EXPORT Bool RRCrtcGammaNotify (RRCrtcPtr crtc); /* * Set the size of the gamma table at server startup time */ extern _X_EXPORT Bool RRCrtcGammaSetSize (RRCrtcPtr crtc, int size); /* * Return the area of the frame buffer scanned out by the crtc, * taking into account the current mode and rotation */ extern _X_EXPORT void RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height); /* * Compute the complete transformation matrix including * client-specified transform, rotation/reflection values and the crtc * offset. * * Return TRUE if the resulting transform is not a simple translation. */ extern _X_EXPORT Bool RRTransformCompute (int x, int y, int width, int height, Rotation rotation, RRTransformPtr rr_transform, PictTransformPtr transform, struct pict_f_transform *f_transform, struct pict_f_transform *f_inverse); /* * Return crtc transform */ extern _X_EXPORT RRTransformPtr RRCrtcGetTransform (RRCrtcPtr crtc); /* * Check whether the pending and current transforms are the same */ extern _X_EXPORT Bool RRCrtcPendingTransform (RRCrtcPtr crtc); /* * Destroy a Crtc at shutdown */ extern _X_EXPORT void RRCrtcDestroy (RRCrtcPtr crtc); /* * Set the pending CRTC transformation */ extern _X_EXPORT int RRCrtcTransformSet (RRCrtcPtr crtc, PictTransformPtr transform, struct pict_f_transform *f_transform, struct pict_f_transform *f_inverse, char *filter, int filter_len, xFixed *params, int nparams); /* * Initialize crtc type */ extern _X_EXPORT Bool RRCrtcInit (void); /* * Crtc dispatch */ extern _X_EXPORT int ProcRRGetCrtcInfo (ClientPtr client); extern _X_EXPORT int ProcRRSetCrtcConfig (ClientPtr client); extern _X_EXPORT int ProcRRGetCrtcGammaSize (ClientPtr client); extern _X_EXPORT int ProcRRGetCrtcGamma (ClientPtr client); extern _X_EXPORT int ProcRRSetCrtcGamma (ClientPtr client); extern _X_EXPORT int ProcRRSetCrtcTransform (ClientPtr client); extern _X_EXPORT int ProcRRGetCrtcTransform (ClientPtr client); int ProcRRGetPanning (ClientPtr client); int ProcRRSetPanning (ClientPtr client); /* rrdispatch.c */ extern _X_EXPORT Bool RRClientKnowsRates (ClientPtr pClient); /* rrmode.c */ /* * Find, and if necessary, create a mode */ extern _X_EXPORT RRModePtr RRModeGet (xRRModeInfo *modeInfo, const char *name); /* * Destroy a mode. */ extern _X_EXPORT void RRModeDestroy (RRModePtr mode); /* * Return a list of modes that are valid for some output in pScreen */ extern _X_EXPORT RRModePtr * RRModesForScreen (ScreenPtr pScreen, int *num_ret); /* * Initialize mode type */ extern _X_EXPORT Bool RRModeInit (void); extern _X_EXPORT int ProcRRCreateMode (ClientPtr client); extern _X_EXPORT int ProcRRDestroyMode (ClientPtr client); extern _X_EXPORT int ProcRRAddOutputMode (ClientPtr client); extern _X_EXPORT int ProcRRDeleteOutputMode (ClientPtr client); /* rroutput.c */ /* * Notify the output of some change. configChanged indicates whether * any external configuration (mode list, clones, connected status) * has changed, or whether the change was strictly internal * (which crtc is in use) */ extern _X_EXPORT void RROutputChanged (RROutputPtr output, Bool configChanged); /* * Create an output */ extern _X_EXPORT RROutputPtr RROutputCreate (ScreenPtr pScreen, const char *name, int nameLength, void *devPrivate); /* * Notify extension that output parameters have been changed */ extern _X_EXPORT Bool RROutputSetClones (RROutputPtr output, RROutputPtr *clones, int numClones); extern _X_EXPORT Bool RROutputSetModes (RROutputPtr output, RRModePtr *modes, int numModes, int numPreferred); extern _X_EXPORT int RROutputAddUserMode (RROutputPtr output, RRModePtr mode); extern _X_EXPORT int RROutputDeleteUserMode (RROutputPtr output, RRModePtr mode); extern _X_EXPORT Bool RROutputSetCrtcs (RROutputPtr output, RRCrtcPtr *crtcs, int numCrtcs); extern _X_EXPORT Bool RROutputSetConnection (RROutputPtr output, CARD8 connection); extern _X_EXPORT Bool RROutputSetSubpixelOrder (RROutputPtr output, int subpixelOrder); extern _X_EXPORT Bool RROutputSetPhysicalSize (RROutputPtr output, int mmWidth, int mmHeight); extern _X_EXPORT void RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output); extern _X_EXPORT void RROutputDestroy (RROutputPtr output); extern _X_EXPORT int ProcRRGetOutputInfo (ClientPtr client); extern _X_EXPORT int ProcRRSetOutputPrimary (ClientPtr client); extern _X_EXPORT int ProcRRGetOutputPrimary (ClientPtr client); /* * Initialize output type */ extern _X_EXPORT Bool RROutputInit (void); /* rrpointer.c */ extern _X_EXPORT void RRPointerMoved (ScreenPtr pScreen, int x, int y); extern _X_EXPORT void RRPointerScreenConfigured (ScreenPtr pScreen); /* rrproperty.c */ extern _X_EXPORT void RRDeleteAllOutputProperties (RROutputPtr output); extern _X_EXPORT RRPropertyValuePtr RRGetOutputProperty (RROutputPtr output, Atom property, Bool pending); extern _X_EXPORT RRPropertyPtr RRQueryOutputProperty (RROutputPtr output, Atom property); extern _X_EXPORT void RRDeleteOutputProperty (RROutputPtr output, Atom property); extern _X_EXPORT Bool RRPostPendingProperties (RROutputPtr output); extern _X_EXPORT int RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type, int format, int mode, unsigned long len, pointer value, Bool sendevent, Bool pending); extern _X_EXPORT int RRConfigureOutputProperty (RROutputPtr output, Atom property, Bool pending, Bool range, Bool immutable, int num_values, INT32 *values); extern _X_EXPORT int ProcRRChangeOutputProperty (ClientPtr client); extern _X_EXPORT int ProcRRGetOutputProperty (ClientPtr client); extern _X_EXPORT int ProcRRListOutputProperties (ClientPtr client); extern _X_EXPORT int ProcRRQueryOutputProperty (ClientPtr client); extern _X_EXPORT int ProcRRConfigureOutputProperty (ClientPtr client); extern _X_EXPORT int ProcRRDeleteOutputProperty (ClientPtr client); /* rrxinerama.c */ #ifdef XINERAMA extern _X_EXPORT void RRXineramaExtensionInit(void); #endif #endif /* _RANDRSTR_H_ */ /* randr extension implementation structure Query state: ProcRRGetScreenInfo/ProcRRGetScreenResources RRGetInfo • Request configuration from driver, either 1.0 or 1.2 style • These functions only record state changes, all other actions are pended until RRTellChanged is called ->rrGetInfo 1.0: RRRegisterSize RRRegisterRate RRSetCurrentConfig 1.2: RRScreenSetSizeRange RROutputSetCrtcs RRModeGet RROutputSetModes RROutputSetConnection RROutputSetSubpixelOrder RROutputSetClones RRCrtcNotify • Must delay scanning configuration until after ->rrGetInfo returns because some drivers will call SetCurrentConfig in the middle of the ->rrGetInfo operation. 1.0: • Scan old configuration, mirror to new structures RRScanOldConfig RRCrtcCreate RROutputCreate RROutputSetCrtcs RROutputSetConnection RROutputSetSubpixelOrder RROldModeAdd • This adds modes one-at-a-time RRModeGet RRCrtcNotify • send events, reset pointer if necessary RRTellChanged WalkTree (sending events) • when layout has changed: RRPointerScreenConfigured RRSendConfigNotify Asynchronous state setting (1.2 only) When setting state asynchronously, the driver invokes the ->rrGetInfo function and then calls RRTellChanged to flush the changes to the clients and reset pointer if necessary Set state ProcRRSetScreenConfig RRCrtcSet 1.2: ->rrCrtcSet RRCrtcNotify 1.0: ->rrSetConfig RRCrtcNotify RRTellChanged */