53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file occlusionQueryContext.h
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* @author drose
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* @date 2006-03-27
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*/
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#ifndef OCCLUSIONQUERYCONTEXT_H
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#define OCCLUSIONQUERYCONTEXT_H
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#include "pandabase.h"
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#include "queryContext.h"
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/**
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* Returned from a GSG in response to begin_occlusion_query() ..
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* end_occlusion_query(), this records the number of fragments (pixels) that
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* passed the depth test between the bracketing calls.
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*/
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class EXPCL_PANDA_GOBJ OcclusionQueryContext : public QueryContext {
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public:
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INLINE OcclusionQueryContext();
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virtual int get_num_fragments() const=0;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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QueryContext::init_type();
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register_type(_type_handle, "OcclusionQueryContext",
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QueryContext::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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friend class PreparedGraphicsObjects;
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};
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#include "occlusionQueryContext.I"
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#endif
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