Create rrtransform.[ch]. Add RRTransform argument to RRCrtcNotify.

Instead of using a separate function to notify DIX about transform changes,
add the transform to RRCrtcNotify so that the whole Crtc state changes
atomically.

1 files changed, 75 insertions, 0 deletions

diff --git a/randr/rrtransform.h b/randr/rrtransform.h
new file mode 100644
index 000000000..92d3ee7be
--- /dev/null
+++ b/randr/rrtransform.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright © 2007 Keith Packard
+ *
+ * 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.
+ */
+
+#ifndef _RRTRANSFORM_H_
+#define _RRTRANSFORM_H_
+
+#include <X11/extensions/randr.h>
+#include "picturestr.h"
+
+typedef struct _rrTransform	RRTransformRec, *RRTransformPtr;
+
+struct _rrTransform {
+    PictTransform   transform;
+    struct pict_f_transform f_transform;
+    struct pict_f_transform f_inverse;
+    PictFilterPtr   filter;
+    xFixed	    *params;
+    int		    nparams;
+    int		    width;
+    int		    height;
+};
+
+void
+RRTransformInit (RRTransformPtr transform);
+
+void
+RRTransformFini (RRTransformPtr transform);
+
+Bool
+RRTransformEqual (RRTransformPtr a, RRTransformPtr b);
+
+Bool
+RRTransformSetFilter (RRTransformPtr	dst,
+		      PictFilterPtr	filter,
+		      xFixed		*params,
+		      int		nparams,
+		      int		width,
+		      int		height);
+
+Bool
+RRTransformCopy (RRTransformPtr dst, RRTransformPtr src);
+
+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);
+
+
+#endif /* _RRTRANSFORM_H_ */