OpenSceneGraph 3.6.5
BlendFunci
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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2014 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version. The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSG_BLENDFUNCI
15#define OSG_BLENDFUNCI 1
16
17#include <osg/BlendFunc>
18
19namespace osg {
20
24{
25 public :
26
28
29 BlendFunci(unsigned int buf, GLenum source, GLenum destination):
30 BlendFunc(source, destination),
31 _index(buf) {}
32
33 BlendFunci(unsigned int buf, GLenum source, GLenum destination, GLenum source_alpha, GLenum destination_alpha):
34 BlendFunc(source, destination, source_alpha, destination_alpha),
35 _index(buf) {}
36
39 BlendFunc(cm,copyop),
40 _index(cm._index) {}
41
43
45 virtual int compare(const StateAttribute& sa) const
46 {
47 // Check for equal types, then create the rhs variable
48 // used by the COMPARE_StateAttribute_Parameter macros below.
50
52
53 return BlendFunc::compare(sa);
54 }
55
57 virtual unsigned int getMember() const { return _index; }
58
60 void setIndex(unsigned int buf);
61
63 unsigned int getIndex() const { return _index; }
64
65 virtual void apply(State& state) const;
66
67 protected:
68
69 virtual ~BlendFunci();
70
71 unsigned int _index;
72
73};
74
75}
76
77#endif
#define COMPARE_StateAttribute_Parameter(parameter)
COMPARE_StateAttribute_Parameter macro is a helper for implementing the StatateAtribute::compare(....
Definition StateAttribute:69
#define COMPARE_StateAttribute_Types(TYPE, rhs_attribute)
COMPARE_StateAttribute_Types macro is a helper for implementing the StateAtribute::compare(....
Definition StateAttribute:57
The core osg library provides the basic scene graph classes such as Nodes, State and Drawables,...
Definition AlphaFunc:19
virtual int compare(const StateAttribute &sa) const
Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.
Definition BlendFunc:85
virtual int compare(const StateAttribute &sa) const
Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.
Definition BlendFunci:45
BlendFunci(const BlendFunci &cm, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
Copy constructor using CopyOp to manage deep vs shallow copy.
Definition BlendFunci:38
unsigned int _index
Definition BlendFunci:71
BlendFunci(unsigned int buf, GLenum source, GLenum destination)
Definition BlendFunci:29
META_StateAttribute(osg, BlendFunci, BLENDFUNC)
void setIndex(unsigned int buf)
Set the renderbuffer index of the BlendFunci.
unsigned int getIndex() const
Get the renderbuffer index of the BlendFunci.
Definition BlendFunci:63
BlendFunci(unsigned int buf, GLenum source, GLenum destination, GLenum source_alpha, GLenum destination_alpha)
Definition BlendFunci:33
virtual unsigned int getMember() const
Return the buffer index as the member identifier.
Definition BlendFunci:57
virtual void apply(State &state) const
apply the OpenGL state attributes.
virtual ~BlendFunci()
Copy Op(erator) used to control whether shallow or deep copy is used during copy construction and clo...
Definition CopyOp:41
@ SHALLOW_COPY
Definition CopyOp:47
Encapsulates the current applied OpenGL modes, attributes and vertex arrays settings,...
Definition State:80
Base class for state attributes.
Definition StateAttribute:77
@ BLENDFUNC
Definition StateAttribute:149
#define OSG_EXPORT
Definition Export:39

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