About NvEglRenderer with z-order of window

Autonomous Machines Jetson & Embedded Systems Jetson Nano
1

Hello,

Looking at NvEglRenderer.h

It appears that creating an EGL context while creating a window using X and rendering through EGL.

If you explain 00_video_decode as an example
When the screen is playing, the window’s z-order is almost at the top, hiding other things.

image

How do you approach this z-order adjustment?

========= NvEglRenderer.h ===============================

image
image663×858 44.4 KB

I left a lot of questions.
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Thank you.

3

Hi,
For rendering multipe sources, you can create multiple NvEglRenderer and configure different width, height, x_offset, y_offset. Not to overlap other sources.

4

Hello,

We have a player using qt.
By making certain areas transparent in the program
I want to show what EglRenderer draws

Should I check Xlib programming for z-order?

Thank you

5

Hi,

Yes, you would need to use X APIs for the function. Maybe need to configure certain attributes in XCreateWindow():
https://tronche.com/gui/x/xlib/window/XCreateWindow.html