GL_REGAL_ES1_1_compatibility
https://github.com/p3/regal/tree/master/doc/extensions
GL_REGAL_ES1_1_compatibility
	void glClipPlanef (GLenum plane, const GLfloat* equation)
	void glClipPlanex (GLenum plane, const GLfixed* equation)
	void glGetClipPlanef (GLenum pname, GLfloat eqn[4])
	void glGetClipPlanex (GLenum pname, GLfixed eqn[4])
	void glGetFixedv (GLenum pname, GLfixed* params)
	void glGetLightxv (GLenum light, GLenum pname, GLfixed* params)
	void glGetMaterialxv (GLenum face, GLenum pname, GLfixed* params)
	void glGetTexEnvxv (GLenum env, GLenum pname, GLfixed* params)
	void glGetTexParameterxv (GLenum target, GLenum pname, GLfixed* params)
	void glPointParameterx (GLenum pname, GLfixed param)
	void glPointParameterxv (GLenum pname, const GLfixed* params)
	void glPointSizePointerOES (GLenum type, GLsizei stride, const GLvoid* pointer)
	void glTexParameterxv (GLenum target, GLenum pname, const GLfixed* params)