%mathent; ]> 1991-2006 Silicon Graphics, Inc. 2010-2014 Khronos Group glDepthRangef 3G glDepthRangef specify mapping of depth values from normalized device coordinates to window coordinates void glDepthRangef GLfloat n GLfloat f n Specifies the mapping of the near clipping plane to window coordinates. The initial value is 0. f Specifies the mapping of the far clipping plane to window coordinates. The initial value is 1. After clipping and division by w, depth coordinates range from -1 to 1, corresponding to the near and far clipping planes. glDepthRangef specifies a linear mapping of the normalized depth coordinates in this range to window depth coordinates. If a fixed-point depth representation is used, the parameters n and f are clamped to the range [0 to 1] when computing window z. The setting of (0,1) maps the near plane to 0 and the far plane to 1. With this mapping, the depth buffer range is fully utilized. It is not necessary that n be less than f. Reverse mappings such as n = 1 , and f = 0 are acceptable. glGet with argument GL_DEPTH_RANGE glDepthRangef glDepthFunc, glPolygonOffset, glViewport Copyright 1991-2006 Silicon Graphics, Inc. Copyright 2010-2014 Khronos Group. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/.