Panda3D

occlusionQueryContext.cxx

00001 // Filename: occlusionQueryContext.cxx
00002 // Created by:  drose (27Mar06)
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 #include "occlusionQueryContext.h"
00016 
00017 TypeHandle OcclusionQueryContext::_type_handle;
00018 
00019 ////////////////////////////////////////////////////////////////////
00020 //     Function: OcclusionQueryContext::get_num_fragments
00021 //       Access: Public, Virtual
00022 //  Description: Returns the number of fragments (pixels) of the
00023 //               specified geometry that passed the depth test.
00024 //               If is_answer_ready() did not return true, this
00025 //               function may block before it returns.
00026 //
00027 //               It is only valid to call this from the draw thread.
00028 ////////////////////////////////////////////////////////////////////
00029 int OcclusionQueryContext::
00030 get_num_fragments() const {
00031   return 0;
00032 }
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