%mathent; ]> 2011-2014 Khronos Group gl_PointSize 3G gl_PointSize contains size of rasterized points, in pixels out highp float gl_PointSize The variable gl_PointSize is intended for a vertex shader to write the size of the point to be rasterized. It is measured in pixels. If gl_PointSize is not written to, its value is undefined in subsequent pipeline stages. gl_PointSize gl_Position Copyright 2011-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.