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randr: Crtc interface update for panning support.

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This commit is contained in:
Matthias Hopf 2008-11-28 17:39:23 +01:00
parent a475eb9fee
commit 834cbc16f3
1 changed files with 35 additions and 1 deletions
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36
hw/xfree86/modes/xf86Crtc.h
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@ -213,9 +213,16 @@ typedef struct _xf86CrtcFuncs {
Bool
(*set_mode_major)(xf86CrtcPtr crtc, DisplayModePtr mode,
Rotation rotation, int x, int y);
/**
* Callback for panning. Doesn't change the mode.
*/
void
(*pan)(xf86CrtcPtr crtc, int x, int y);
} xf86CrtcFuncsRec, *xf86CrtcFuncsPtr;
#define XF86_CRTC_VERSION 1
#define XF86_CRTC_VERSION 2
struct _xf86Crtc {
/**
@ -321,6 +328,15 @@ struct _xf86Crtc {
* Bounding box in screen space
*/
BoxRec bounds;
/**
* Panning:
* TotalArea: total panning area, larger than CRTC's size
* TrackingArea: Area of the pointer for which the CRTC is panned
* border: Borders of the displayed CRTC area which induces panning if the pointer reaches them
*/
BoxRec panningTotalArea;
BoxRec panningTrackingArea;
INT16 panningBorder[4];
};
typedef struct _xf86OutputFuncs {
@ -678,6 +694,9 @@ extern _X_EXPORT Bool
xf86CrtcSetMode (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation,
int x, int y);
void
xf86CrtcPan (xf86CrtcPtr crtc, int x, int y);
/*
* Assign crtc rotation during mode set
*/
@ -868,4 +887,19 @@ xf86_unwrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr old);
extern _X_EXPORT void
xf86_crtc_notify(ScreenPtr pScreen);
/**
* Panning
*/
Bool
xf86_crtc_get_panning(ScrnInfoPtr pScrn,
BoxPtr totalArea,
BoxPtr TrackingArea,
INT16 *border);
Bool
xf86_crtc_set_panning(ScrnInfoPtr pScrn,
BoxPtr totalArea,
BoxPtr TrackingArea,
INT16 *border);
#endif /* _XF86CRTC_H_ */