text: EGL_VERSION_1_2
  https://www.khronos.org/registry/egl/specs/eglspec.1.5.pdf
  
  
  	EGL_UNKNOWN ((EGLint)-1)
  	EGL_OPENGL_ES_BIT 0x0001
  	EGL_OPENVG_BIT 0x0002
  	EGL_LUMINANCE_SIZE 0x303D
  	EGL_ALPHA_MASK_SIZE 0x303E
  	EGL_COLOR_BUFFER_TYPE 0x303F
  	EGL_RENDERABLE_TYPE 0x3040
  	EGL_SINGLE_BUFFER 0x3085
  	EGL_RENDER_BUFFER 0x3086
  	EGL_COLORSPACE 0x3087
  	EGL_ALPHA_FORMAT 0x3088
  	EGL_COLORSPACE_sRGB 0x3089
  	EGL_COLORSPACE_LINEAR 0x308A
  	EGL_ALPHA_FORMAT_NONPRE 0x308B
  	EGL_ALPHA_FORMAT_PRE 0x308C
  	EGL_CLIENT_APIS 0x308D
  	EGL_RGB_BUFFER 0x308E
  	EGL_LUMINANCE_BUFFER 0x308F
  	EGL_HORIZONTAL_RESOLUTION 0x3090
  	EGL_VERTICAL_RESOLUTION 0x3091
  	EGL_PIXEL_ASPECT_RATIO 0x3092
  	EGL_SWAP_BEHAVIOR 0x3093
  	EGL_BUFFER_PRESERVED 0x3094
  	EGL_BUFFER_DESTROYED 0x3095
  	EGL_OPENVG_IMAGE 0x3096
  	EGL_CONTEXT_CLIENT_TYPE 0x3097
  	EGL_OPENGL_ES_API 0x30A0
  	EGL_OPENVG_API 0x30A1
  	EGL_DISPLAY_SCALING 10000
  	EGLBoolean  eglBindAPI (EGLenum  api)
  	EGLSurface  eglCreatePbufferFromClientBuffer (EGLDisplay  dpy, EGLenum  buftype, EGLClientBuffer  buffer, EGLConfig  config, const EGLint * attrib_list)
  	EGLenum  eglQueryAPI ( void )
  	EGLBoolean  eglReleaseThread ( void )
  	EGLBoolean  eglWaitClient ( void )
  