What's the usage of libglx_nvidia.so.0 under /usr/lib/aarch64-linux-gnu/tegra?

Robotics & Edge Computing Jetson & Embedded Systems Jetson AGX Orin
1

Hi Nvidia,

I’m developing an application which uses opengl. I used ldd to check the executable file and found files like libgl.so and libglx.so are linked. For libGLX.so.0 I found it is linked as:

libGLX.so.0 => /lib/aarch64-linux-gnu/libGLX.so.0 (0x0000ffffa9466000)

libGLdispatch.so.0 => /lib/aarch64-linux-gnu/libGLdispatch.so.0 (0x0000ffffa94a8000)

I read some topics in this forum and knew that there is another libGLX_nvidia.so under folder /usr/lib/aarch64-linux-gnu/tegra, so which one shall I use? The current one being linked is it correct?

Thanks!

5

Hi,
The lib is required although your application may not use it. Not sure but probably certain linkages are not shown in ldd. Please always include the lib in your system.

6

Hi @DaneLLL

I got below files’ link relation on my board, is it as wanted?

image
image1159×632 25.4 KB

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@DaneLLL

below is linkage of my executable with GL related libs:

image
image1135×136 9.37 KB

8

Do you mean I need to let my executable include with libGLX_nvidia.so.0 instead of libGLX.so.0 ? If so, how could I achieve this, since libGL.so needs libGLX.so.0? I tried copy libGLX_nvidia.so.0 to libGLX.so.0, the system crashed and no display then.

9

Hi,
The lib libGLX_nvidia.so is loaded in prebuilt libs for certain use-cases. If you remove it and your use-case can be successfully run, you may remove libGLX_nvidia.so from your system.

1 Like
10

Hi @DaneLLL

I can’t understand the details. could you explan more, thanks?

11

remove what lib?

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