Wire up RandR CRTC transform protocol, bump server to RandR 1.3

This involved removing a pile of matrix code from the DDX,
as well as moving a bit of transform logic from DDX to DIX.

1 files changed, 45 insertions, 0 deletions

diff --git a/randr/randrstr.h b/randr/randrstr.h
index 4692ddf91..320e9f742 100644
--- a/randr/randrstr.h
+++ b/randr/randrstr.h
@@ -119,6 +119,12 @@ struct _rrCrtc {
     CARD16	    *gammaBlue;
     CARD16	    *gammaGreen;
     void	    *devPrivate;
+    PictTransform   client_pending_transform;
+    PictTransform   client_pending_inverse;
+    PictTransform   client_current_transform;
+    PictTransform   client_current_inverse;
+    PictTransform   transform;
+    PictTransform   inverse;
 };
 
 struct _rrOutput {
@@ -587,6 +593,23 @@ 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.
+ */
+Bool
+RRComputeTransform (RRModePtr		mode,
+		    Rotation		rotation,
+		    int			x,
+		    int			y,
+		    PictTransformPtr	client_transform,
+		    PictTransformPtr	client_inverse,
+		    PictTransformPtr    transform,
+		    PictTransformPtr    inverse);
+
+/*
  * Return crtc transform
  */
 Bool
@@ -601,11 +624,27 @@ void
 RRCrtcPostPendingTransform (RRCrtcPtr crtc);
 
 /*
+ * Check whether the pending and current transforms are the same
+ */
+Bool
+RRCrtcPendingTransform (RRCrtcPtr crtc);
+
+/*
  * Destroy a Crtc at shutdown
  */
 void
 RRCrtcDestroy (RRCrtcPtr crtc);
 
+
+/*
+ * Set the pending CRTC transformation
+ */
+
+int
+RRCrtcTransformSet (RRCrtcPtr		crtc,
+		    PictTransformPtr	transform,
+		    PictTransformPtr	inverse);
+
 /*
  * Initialize crtc type
  */
@@ -631,6 +670,12 @@ ProcRRGetCrtcGamma (ClientPtr client);
 int
 ProcRRSetCrtcGamma (ClientPtr client);
 
+int
+ProcRRSetCrtcTransform (ClientPtr client);
+
+int
+ProcRRGetCrtcTransform (ClientPtr client);
+
 /* rrdispatch.c */
 Bool
 RRClientKnowsRates (ClientPtr	pClient);