gl: failed to upload the DMA EGL image correctly.
The pipeline of:
export GST_GL_PLATFORM=egl
gst-launch-1.0 -vf gltestsrc pattern=checkers-8 ! capsfilter caps=video/x-raw\(memory:GLMemory\),height=1024,width=1024 ! gldownload ! capsfilter caps=video/x-raw\(memory:DMABuf\) ! glimagesink
create a wrong image render result like the picture(Left is correct and right is wrong).
The raw video upload result is correct.