From: Pierre Ossman <ossman@cendio.se>
Date: Thu, 7 Dec 2017 14:17:58 +0000 (+0100)
Subject: Adjust dimensions for rotated monitors
X-Git-Tag: v1.8.90~57^2
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=refs%2Fpull%2F553%2Fhead;p=tigervnc.git

Adjust dimensions for rotated monitors

We need to flip the dimensions in the case the monitor is rotated
90° or they won't map correctly to the framebuffer.
---

diff --git a/unix/xserver/hw/vnc/XorgGlue.c b/unix/xserver/hw/vnc/XorgGlue.c
index 8c1e0857..141023a8 100644
--- a/unix/xserver/hw/vnc/XorgGlue.c
+++ b/unix/xserver/hw/vnc/XorgGlue.c
@@ -305,11 +305,21 @@ void vncRandRGetOutputDimensions(int scrIdx, int outputIdx,
 {
 #ifdef RANDR
   rrScrPrivPtr rp = rrGetScrPriv(screenInfo.screens[scrIdx]);
+  int swap;
 
   *x = rp->outputs[outputIdx]->crtc->x;
   *y = rp->outputs[outputIdx]->crtc->y;
   *width = rp->outputs[outputIdx]->crtc->mode->mode.width;
   *height = rp->outputs[outputIdx]->crtc->mode->mode.height;
+
+  switch (rp->outputs[outputIdx]->crtc->rotation & 0xf) {
+  case RR_Rotate_90:
+  case RR_Rotate_270:
+    swap = *width;
+    *width = *height;
+    *height = swap;
+    break;
+  }
 #endif
 }