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tinyGraphicsStateGuardian.I
00001 // Filename: tinyGraphicsStateGuardian.I
00002 // Created by:  drose (24Apr08)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 
00016 ////////////////////////////////////////////////////////////////////
00017 //     Function: TinyGraphicsStateGuardian::clear_light_state
00018 //       Access: Private
00019 //  Description: Removes the current list of active lights from the
00020 //               current state context.
00021 ////////////////////////////////////////////////////////////////////
00022 INLINE void TinyGraphicsStateGuardian::
00023 clear_light_state() {
00024   _c->lighting_enabled = false;
00025 #ifndef NDEBUG
00026   GLLight *gl_light = _c->first_light;
00027   while (gl_light != (GLLight *)NULL) {
00028     GLLight *next = gl_light->next;
00029     gl_light->next = NULL;
00030     gl_light = next;
00031   }
00032 #endif  // NDEBUG
00033   _c->first_light = NULL;
00034 }
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