EGL_EXT_device_query
https://www.khronos.org/registry/egl/specs/eglspec.1.5.pdf
EGL_EXT_device_query

	EGL_NO_DEVICE_EXT ((EGLDeviceEXT)(0))
	EGL_BAD_DEVICE_EXT 0x322B
	EGL_DEVICE_EXT 0x322C
	EGLBoolean  eglQueryDeviceAttribEXT (EGLDeviceEXT  device, EGLint  attribute, EGLAttrib * value)
	const char * eglQueryDeviceStringEXT (EGLDeviceEXT  device, EGLint  name)
	EGLBoolean  eglQueryDisplayAttribEXT (EGLDisplay  dpy, EGLint  attribute, EGLAttrib * value)