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-rw-r--r--unix/xserver/hw/vnc/xvnc.cc11
1 files changed, 9 insertions, 2 deletions
diff --git a/unix/xserver/hw/vnc/xvnc.cc b/unix/xserver/hw/vnc/xvnc.cc
index 5231b156..a73588f4 100644
--- a/unix/xserver/hw/vnc/xvnc.cc
+++ b/unix/xserver/hw/vnc/xvnc.cc
@@ -991,6 +991,7 @@ static Bool vncRandRSetConfig (ScreenPtr pScreen, Rotation rotation,
void *pbits;
Bool ret;
int oldwidth, oldheight, oldmmWidth, oldmmHeight;
+ int dpix, dpiy;
/* Prevent updates while we fiddle */
xf86SetRootClip(pScreen, FALSE);
@@ -1001,11 +1002,17 @@ static Bool vncRandRSetConfig (ScreenPtr pScreen, Rotation rotation,
oldmmWidth = pScreen->mmWidth;
oldmmHeight = pScreen->mmHeight;
+ /* Compute the current DPI (for use later) */
+ dpix = (pScreen->width * 254 + pScreen->mmWidth * 5) / (pScreen->mmWidth * 10);
+ dpiy = (pScreen->height * 254 + pScreen->mmHeight * 5) / (pScreen->mmHeight * 10);
+
/* Then set the new dimensions */
pScreen->width = pSize->width;
pScreen->height = pSize->height;
- pScreen->mmWidth = pSize->mmWidth;
- pScreen->mmHeight = pSize->mmHeight;
+
+ /* Try to keep the same DPI as we do not have a physical screen */
+ pScreen->mmWidth = (pScreen->width * 254 + dpix * 5) / (dpix * 10);
+ pScreen->mmHeight = (pScreen->height * 254 + dpiy * 5) / (dpiy * 10);
/* Allocate a new framebuffer */
memset(&fb, 0, sizeof(vfbFramebufferInfo));