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xenocara/xserver/randr/randrstr.h

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/*
* 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) {\
client->errorValue = id;\
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) {\
client->errorValue = id;\
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) {\
client->errorValue = id;\
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
*/
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