From 670bbb87310503fcc17203cecfa6f4f2f5db51d2 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@neko.keithp.com>
Date: Wed, 13 Dec 2006 01:21:32 -0800
Subject: [PATCH] RandR 1.2 rotation code must adjust width/height.

Mode lines reflect the monitor mode, not the projected size into the frame
buffer. Flip width/height around so that the dimensions are oriented
correctly.
(cherry picked from 612a8e61803da8db0e305cbb093696b8e4284572 commit)
---
 randr/rrcrtc.c   | 12 ++++++++++--
 randr/rrscreen.c | 25 +++++++++++++++++++------
 2 files changed, 29 insertions(+), 8 deletions(-)

diff --git a/randr/rrcrtc.c b/randr/rrcrtc.c
index 05863a129..076742077 100644
--- a/randr/rrcrtc.c
+++ b/randr/rrcrtc.c
@@ -698,7 +698,15 @@ ProcRRSetCrtcConfig (ClientPtr client)
 	 */
 	if (pScrPriv->rrScreenSetSize)
 	{
-	    if (stuff->x + mode->mode.width > pScreen->width)
+	    int source_width = mode->mode.width;
+	    int	source_height = mode->mode.height;
+
+	    if (rotation == RR_Rotate_90 || rotation == RR_Rotate_270)
+	    {
+		source_width = mode->mode.height;
+		source_height = mode->mode.width;
+	    }
+	    if (stuff->x + source_width > pScreen->width)
 	    {
 		client->errorValue = stuff->x;
 		if (outputs)
@@ -706,7 +714,7 @@ ProcRRSetCrtcConfig (ClientPtr client)
 		return BadValue;
 	    }
 	    
-	    if (stuff->y + mode->mode.height > pScreen->height)
+	    if (stuff->y + source_height > pScreen->height)
 	    {
 		client->errorValue = stuff->y;
 		if (outputs)
diff --git a/randr/rrscreen.c b/randr/rrscreen.c
index 37b6a57d9..f1d8fc5d9 100644
--- a/randr/rrscreen.c
+++ b/randr/rrscreen.c
@@ -268,7 +268,6 @@ ProcRRSetScreenSize (ClientPtr client)
     WindowPtr		pWin;
     ScreenPtr		pScreen;
     rrScrPrivPtr	pScrPriv;
-    RRCrtcPtr		crtc;
     int			i;
     
     REQUEST_SIZE_MATCH(xRRSetScreenSizeReq);
@@ -291,12 +290,26 @@ ProcRRSetScreenSize (ClientPtr client)
 	client->errorValue = stuff->height;
 	return BadValue;
     }
-    for (i = 0; i < pScrPriv->numCrtcs; i++) {
-	crtc = pScrPriv->crtcs[i];
-	if (crtc->mode &&
-	    (crtc->x + crtc->mode->mode.width > stuff->width ||
-	     crtc->y + crtc->mode->mode.height > stuff->height))
+    for (i = 0; i < pScrPriv->numCrtcs; i++) 
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+	RRModePtr   mode = crtc->mode;
+	if (mode)
+	{
+	    int		source_width = mode->mode.width;
+	    int		source_height = mode->mode.height;
+	    Rotation	rotation = crtc->rotation;
+
+	    if (rotation == RR_Rotate_90 || rotation == RR_Rotate_270)
+	    {
+		source_width = mode->mode.height;
+		source_height = mode->mode.width;
+	    }
+	    
+	    if (crtc->x + source_width > stuff->width ||
+		crtc->y + source_height > stuff->height)
 	    return BadMatch;
+	}
     }
     if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0)
     {