Opengl format GL_RGB/GL_RGBA and NvBuffer format NvBufferColorFormat_ARGB32 question

Hi,
Please refer to this sample:
Trying to process with OpenGL an EGLImage created from a dmabuf_fd - #9 by DaneLLL
Trying to process with OpenGL an EGLImage created from a dmabuf_fd - #12 by DaneLLL