Dual screen (Display 1 & 2), only display 1 shown

Hi all,

My project must show videos on display 1 and some 3d objects on display 2. Unfortunately, when I build my project and run it, only display 1 shown.

Easy to reproduce:

1. Create new HDRP project
2. Remove sample scene
3. Create new scene with 2 cameras, one on display 1 and the other on display 2. I put a cube ahead camera 1 and a sphere ahead the other to see difference.
4. Build and then run it.

Only display 1 shown.

You can donload the zipped project at the following address:
https://www.grosfichiers.com/BNEdg1uRflqRG


Thanks a lot for help.

 

hi

if i check the variable on my 2 monitor setup "Display.displays.Length" should be 2 ?
but it's return always 1 on unity 2019.1a12
it is normal ?

can we fix that ?

i have 1 rtx 2080 ti on 2 monitor Benq 32 and Asus 27

Thank you for your help.
Best Regards

 

Hi,

By forcing the second screen to activate it work...
not elegant, but it work

Code (CSharp):

1. using UnityEngine;
2. using System.Collections;
3.  
4. public class DisplayScript : MonoBehaviour
5. {
6.     // Use this for initialization
7.     void Start()
8.     {
9.         Debug.Log("displays connected: " + Display.displays.Length);
10.         // Display.displays[0] is the primary, default display and is always ON.
11.         // Check if additional displays are available and activate each.
12.         //if (Display.displays.Length > 1)
13.         Display.displays[1].Activate(2560,1440,60);
14.     }
15.  
16. }