pine64@pine64:~/$ LD_LIBRARY_PATH=/usr/lib/aarch64-linux-gnu/libGL.so.1 LIBGL_FB=2 LIBGL_ES=2 LIBGL_GL=21 LIBGL_VSYNC=0 myapp
LIBGL: Initialising gl4es
LIBGL: v1.0.9 built on Jul 20 2018 20:27:09
LIBGL: using pbuffer
LIBGL: Using GLES 2.0 backend
LIBGL:loaded: libGLESv2.so
LIBGL:loaded: libEGL.so
LIBGL: Using GLES 2.0 backend
LIBGL: Hardware Limited NPOT detected and used
LIBGL: Extension GL_EXT_blend_minmax detected and used
LIBGL: FBO are in core, and so used
LIBGL: PointSprite are in core, and so used
LIBGL: CubeMap are in core, and so used
LIBGL: BlendColor is in core, and so used
LIBGL: Blend Substract is in core, and so used
LIBGL: Blend Function and Equation Separation is in core, and so used
LIBGL: Texture Mirrored Repeat is in core, and so used
LIBGL: Extension GL_OES_mapbuffer detected
LIBGL: Extension GL_OES_packed_depth_stencil detected and used
LIBGL: Extension GL_OES_depth24 detected and used
LIBGL: Extension GL_OES_rgb8_rgba8 detected and used
LIBGL: Extension GL_EXT_texture_format_BGRA8888 detected and used
LIBGL: Extension GL_OES_depth_texture detected and used
LIBGL: Max vertex attrib: 16
LIBGL: Extension GL_OES_standard_derivatives detected and used
LIBGL: Max texture size: 4096
LIBGL: Max Varying Vector: 12
LIBGL: Texture Units: 8(8), Max lights: 8, Max planes: 6
LIBGL: Hardware vendor is ARM
LIBGL: Targeting OpenGL 2.1
LIBGL: Forcing NPOT support by disabling MIPMAP support for NPOT textures
LIBGL: glXMakeCurrent FBO workaround enabled
LIBGL: Current folder is:/home/pine64/
LIBGL: ERROR: EGL Error detected: EGL_BAD_DISPLAY (0x0)