Eliminate inverse matrix from randr transform protocol

It is easier, and potentially more precise, to compute the inverse in the
server where everything can eventually be kept in floating point form.

1 files changed, 6 insertions, 10 deletions

diff --git a/randrproto.h b/randrproto.h
index e6bab25..6c52eea 100644
--- a/randrproto.h
+++ b/randrproto.h
@@ -568,13 +568,11 @@ typedef struct {
     CARD16		length B16;
     RRCrtc		crtc B32;
     xRenderTransform	transform;
-    CARD32		pad0 B32;
-    xRenderTransform	inverse;
     CARD16		nbytesFilter;	/* number of bytes in filter name */
     CARD16		pad B16;
 } xRRSetCrtcTransformReq;
 
-#define sz_xRRSetCrtcTransformReq	88
+#define sz_xRRSetCrtcTransformReq	48
 
 typedef struct {
     CARD8		reqType;
@@ -592,19 +590,17 @@ typedef struct {
     CARD32		length B32;
     xRenderTransform	pendingTransform;
     BYTE		hasTransforms;
-    CARD8		pad0a;
-    CARD16		pad0 B16;
-    xRenderTransform	pendingInverse;
-    CARD16		pendingNbytesFilter B16;    /* number of bytes in filter name */
-    CARD16		pendingNparamsFilter B16;   /* number of filter params */
+    CARD8		pad0;
+    CARD16		pad1 B16;
     xRenderTransform	currentTransform;
     CARD32		pad2 B32;
-    xRenderTransform	currentInverse;
+    CARD16		pendingNbytesFilter B16;    /* number of bytes in filter name */
+    CARD16		pendingNparamsFilter B16;   /* number of filter params */
     CARD16		currentNbytesFilter B16;    /* number of bytes in filter name */
     CARD16		currentNparamsFilter B16;   /* number of filter params */
 } xRRGetCrtcTransformReply;
 
-#define sz_xRRGetCrtcTransformReply	168
+#define sz_xRRGetCrtcTransformReply	96
 
 /*
  * event