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List: freedesktop-xorg
Subject: [PATCH 08/13] xserver: randr: Crtc interface update for panning
From: Matthias Hopf <mhopf () suse ! de>
Date: 2008-11-28 16:39:23
Message-ID: 200811281827.mASIRB2a004711 () mailer ! progressive-comp ! com
[Download RAW message or body]
---
hw/xfree86/modes/xf86Crtc.h | 36 +++++++++++++++++++++++++++++++++++-
1 files changed, 35 insertions(+), 1 deletions(-)
diff --git a/hw/xfree86/modes/xf86Crtc.h b/hw/xfree86/modes/xf86Crtc.h
index 4b6f7d2..f085bf7 100644
--- a/hw/xfree86/modes/xf86Crtc.h
+++ b/hw/xfree86/modes/xf86Crtc.h
@@ -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 @@ 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
*/
@@ -867,4 +886,19 @@ xf86_unwrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr old);
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_ */
--
1.5.6
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