GL_ARB_point_parameters http://www.opengl.org/registry/specs/ARB/point_parameters.txt GL_ARB_point_parameters GL_POINT_SIZE_MIN_ARB 0x8126 GL_POINT_SIZE_MAX_ARB 0x8127 GL_POINT_FADE_THRESHOLD_SIZE_ARB 0x8128 GL_POINT_DISTANCE_ATTENUATION_ARB 0x8129 void glPointParameterfARB (GLenum pname, GLfloat param) void glPointParameterfvARB (GLenum pname, const GLfloat* params)