93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
// Filename: depthTestAttrib.h
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// Created by: drose (04Mar02)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef DEPTHTESTATTRIB_H
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#define DEPTHTESTATTRIB_H
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#include "pandabase.h"
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#include "renderAttrib.h"
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////////////////////////////////////////////////////////////////////
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// Class : DepthTestAttrib
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// Description : Enables or disables writing to the depth buffer.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA DepthTestAttrib : public RenderAttrib {
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PUBLISHED:
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enum Mode {
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M_none, // No depth test; may still write to depth buffer.
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M_never, // Never draw.
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M_less, // incoming < stored
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M_equal, // incoming == stored
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M_less_equal, // incoming <= stored
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M_greater, // incoming > stored
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M_not_equal, // incoming != stored
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M_greater_equal, // incoming >= stored
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M_always // Always draw. Same effect as none, more expensive.
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};
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private:
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INLINE DepthTestAttrib(Mode mode = M_less);
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PUBLISHED:
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static CPT(RenderAttrib) make(Mode mode);
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INLINE Mode get_mode() const;
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public:
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virtual void issue(GraphicsStateGuardianBase *gsg) const;
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virtual void output(ostream &out) const;
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protected:
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virtual int compare_to_impl(const RenderAttrib *other) const;
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virtual RenderAttrib *make_default_impl() const;
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private:
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Mode _mode;
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public:
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static void register_with_read_factory();
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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protected:
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static TypedWritable *make_from_bam(const FactoryParams ¶ms);
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void fillin(DatagramIterator &scan, BamReader *manager);
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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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RenderAttrib::init_type();
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register_type(_type_handle, "DepthTestAttrib",
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RenderAttrib::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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};
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#include "depthTestAttrib.I"
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#endif
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