Panda3D
antialiasAttrib.h
1 // Filename: antialiasAttrib.h
2 // Created by: drose (26Jan05)
3 //
4 ////////////////////////////////////////////////////////////////////
5 //
6 // PANDA 3D SOFTWARE
7 // Copyright (c) Carnegie Mellon University. All rights reserved.
8 //
9 // All use of this software is subject to the terms of the revised BSD
10 // license. You should have received a copy of this license along
11 // with this source code in a file named "LICENSE."
12 //
13 ////////////////////////////////////////////////////////////////////
14 
15 #ifndef ANTIALIASATTRIB_H
16 #define ANTIALIASATTRIB_H
17 
18 #include "pandabase.h"
19 
20 #include "renderAttrib.h"
21 
22 class FactoryParams;
23 
24 ////////////////////////////////////////////////////////////////////
25 // Class : AntialiasAttrib
26 // Description : Specifies whether or how to enable antialiasing, if
27 // supported by the backend renderer.
28 ////////////////////////////////////////////////////////////////////
29 class EXPCL_PANDA_PGRAPH AntialiasAttrib : public RenderAttrib {
30 PUBLISHED:
31  enum Mode {
32  M_none = 0x0000,
33  M_point = 0x0001,
34  M_line = 0x0002,
35  M_polygon = 0x0004,
36  M_multisample = 0x0008,
37  M_auto = 0x001f,
38  M_type_mask = 0x001f,
39 
40  // Extra add-on bits for performance/quality hints.
41  M_faster = 0x0020,
42  M_better = 0x0040,
43  M_dont_care = 0x0060,
44  };
45 
46 private:
47  INLINE AntialiasAttrib(unsigned short mode);
48 
49 PUBLISHED:
50  static CPT(RenderAttrib) make(unsigned short mode);
51  static CPT(RenderAttrib) make_default();
52 
53  INLINE unsigned short get_mode() const;
54  INLINE unsigned short get_mode_type() const;
55  INLINE unsigned short get_mode_quality() const;
56 
57 public:
58  virtual void output(ostream &out) const;
59 
60 protected:
61  virtual int compare_to_impl(const RenderAttrib *other) const;
62  virtual size_t get_hash_impl() const;
63  virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
64 
65 private:
66  unsigned short _mode;
67 
68 PUBLISHED:
69  static int get_class_slot() {
70  return _attrib_slot;
71  }
72  virtual int get_slot() const {
73  return get_class_slot();
74  }
75 
76 public:
77  static void register_with_read_factory();
78  virtual void write_datagram(BamWriter *manager, Datagram &dg);
79 
80 protected:
81  static TypedWritable *make_from_bam(const FactoryParams &params);
82  void fillin(DatagramIterator &scan, BamReader *manager);
83 
84 public:
85  static TypeHandle get_class_type() {
86  return _type_handle;
87  }
88  static void init_type() {
89  RenderAttrib::init_type();
90  register_type(_type_handle, "AntialiasAttrib",
91  RenderAttrib::get_class_type());
92  _attrib_slot = register_slot(_type_handle, 100, make_default);
93  }
94  virtual TypeHandle get_type() const {
95  return get_class_type();
96  }
97  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
98 
99 private:
100  static TypeHandle _type_handle;
101  static int _attrib_slot;
102 };
103 
104 #include "antialiasAttrib.I"
105 
106 #endif
107 
static int register_slot(TypeHandle type_handle, int sort, RenderAttribRegistry::MakeDefaultFunc *make_default_func)
Adds the indicated TypeHandle to the registry, if it is not there already, and returns a unique slot ...
Definition: renderAttrib.I:163
This is the base class for a number of render attributes (other than transform) that may be set on sc...
Definition: renderAttrib.h:60
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
Definition: bamReader.h:122
Specifies whether or how to enable antialiasing, if supported by the backend renderer.
Base class for objects that can be written to and read from Bam files.
Definition: typedWritable.h:37
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
Definition: bamWriter.h:73
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition: factoryParams.h:40
A class to retrieve the individual data elements previously stored in a Datagram. ...
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:85
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
Definition: datagram.h:43