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

	EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR 0x30B3
	EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR 0x30B4
	EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR 0x30B5
	EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR 0x30B6
	EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR 0x30B7
	EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR 0x30B8