Add projective transforms to RandR DIX/DDX API.

New RRCrtcGetTransform function in DIX that DDX can use to get the pending
transform. The DDX code should be complete; the DIX code is just a stub at
this point.

2 files changed, 33 insertions, 0 deletions

diff --git a/randr/randrstr.h b/randr/randrstr.h
index bd7c7c59a..4692ddf91 100644
--- a/randr/randrstr.h
+++ b/randr/randrstr.h
@@ -587,6 +587,20 @@ void
 RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height);
 
 /*
+ * Return crtc transform
+ */
+Bool
+RRCrtcGetTransform (RRCrtcPtr crtc,
+		    PictTransformPtr crtc_to_fb,
+		    PictTransformPtr fb_to_crtc);
+
+/*
+ * Mark the pending transform as current
+ */
+void
+RRCrtcPostPendingTransform (RRCrtcPtr crtc);
+
+/*
  * Destroy a Crtc at shutdown
  */
 void
diff --git a/randr/rrcrtc.c b/randr/rrcrtc.c
index ec65a040e..38b34525c 100644
--- a/randr/rrcrtc.c
+++ b/randr/rrcrtc.c
@@ -359,6 +359,25 @@ RRCrtcSet (RRCrtcPtr    crtc,
 }
 
 /*
+ * Return crtc transform
+ */
+Bool
+RRCrtcGetTransform (RRCrtcPtr crtc,
+		    PictTransformPtr crtc_to_fb,
+		    PictTransformPtr fb_to_crtc)
+{
+    return FALSE;
+}
+
+/*
+ * Mark the pending transform as current
+ */
+void
+RRCrtcPostPendingTransform (RRCrtcPtr crtc)
+{
+}
+
+/*
  * Destroy a Crtc at shutdown
  */
 void