topic [i.MX8QXP] How to enable OpenGL ES 2 on i.MX8QXP? in i.MX Processors

[i.MX8QXP] How to enable OpenGL ES 2 on i.MX8QXP?

WolsYang — Mon, 06 Feb 2023 04:00:41 GMT

Hi NXP,

Due to " i.MX Linux Reference Manual Rev. LF5.15.71_2.2.0 — 16 December 2022 5.1.x".

I think we can use OpenGL ES 2 on i.MX8QXP right?

I am trying to use kivy on i.MX8QXP, and I got error like this.

[INFO ] [Factory ] 189 symbols loaded [INFO ] [Image ] Providers: img_tex, img_dds, img_sdl2, img_pil (img_ffpyplayer ignored) [INFO ] [Window ] Provider: sdl2 [INFO ] [GL ] Using the "OpenGL ES 2" graphics system [INFO ] [GL ] Backend used <sdl2> [INFO ] [GL ] OpenGL version <b'OpenGL ES-CM 1.1'> [INFO ] [GL ] OpenGL vendor <b'Vivante Corporation'> [INFO ] [GL ] OpenGL renderer <b'Vivante GC7000L'> [INFO ] [GL ] OpenGL parsed version: 1, 1 [CRITICAL] [GL ] Minimum required OpenGL version (2.0) NOT found! OpenGL version detected: 1.1 Version: b'OpenGL ES-CM 1.1' Vendor: b'Vivante Corporation' Renderer: b'Vivante GC7000L' Try upgrading your graphics drivers and/or your graphics hardware in case of problems. The application will leave now. Segmentation fault

The kivy recipe is from "IMAGE_INSTALL += " python3-kivy"

Base on "imx-image-full.bb" and ' REQUIRED_DISTRO_FEATURES:remove = "x11" '

I think openGL ES v2 is there, but not linked.

root@iBox-500:~/kivyTest# locate libGLESv2 /usr/lib/libGLESv2.so /usr/lib/libGLESv2.so.2 /usr/lib/libGLESv2.so.2.0.0

Re: [i.MX8QXP] How to enable OpenGL ES 2 on i.MX8QXP?

Zhiming_Liu — Mon, 06 Feb 2023 05:46:36 GMT

The OpenGL ES has been opened, you can test it refering 9 Graphics in https://www.nxp.com/docs/en/user-guide/IMX_LINUX_USERS_GUIDE.pdf

Re: [i.MX8QXP] How to enable OpenGL ES 2 on i.MX8QXP?

WolsYang — Mon, 06 Feb 2023 05:56:20 GMT

Hi @Zhiming_Liu ,

root@iBox-500:~/kivyTest# dmesg | grep Galcore [ 1.957242] Galcore version 6.4.3.p4.398061 root@iBox-500:~/kivyTest# grep VERSION /usr/lib/libGAL* grep: /usr/lib/libGAL.so: binary file matches

Thank you.

Did you think is a linked problem that Kivy says it can not find OpenGL ES 2?

Re: [i.MX8QXP] How to enable OpenGL ES 2 on i.MX8QXP?

WolsYang — Wed, 08 Feb 2023 08:59:50 GMT

Hi @Zhiming_Liu ,

Is the EGL link to OpenGL ES-CM 1.1 or OpenGL ES 2？

May I know EGL Yocto recipe path?

When the code run ' glGetString(GL_VERSION)' I got " b'OpenGL ES-CM 1.1' "

Thanks : )

Re: [i.MX8QXP] How to enable OpenGL ES 2 on i.MX8QXP?

WolsYang — Thu, 09 Feb 2023 05:58:03 GMT

So I follow https://github.com/kivy/kivy/issues/7232 to build SDL2 from the source.

After then when running my app I got the message below, it is linked to openGL ES 3 now.

Do you have any idea to make some changes in libSDL2_%.bbappend let SLD2 link to openGL ES 2?