root/OpenSceneGraph/trunk/include/osgViewer/api/Cocoa/PixelBufferCocoa @ 9879

Revision 9879, 3.4 kB (checked in by robert, 6 years ago)

From Stephan Huber, support for Cocoa windowing under OSX.

  • Property svn:executable set to *
RevLine 
[9879]1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 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
15
16#ifndef OSGVIEWER_PIXELBUFFERCOCOA
17#define OSGVIEWER_PIXELBUFFERCOCOA 1
18
19#ifdef __APPLE__
20
21#include <osg/GraphicsContext>
22#include <osgViewer/Export>
23
24
25#ifdef __OBJC__
26@class NSOpenGLContext;
27#else
28class NSOpenGLContext;
29#endif
30
31namespace osgViewer
32{
33
34class OSGVIEWER_EXPORT PixelBufferCocoa : public osg::GraphicsContext
35{
36    public:
37                struct Implementation;
38
39        PixelBufferCocoa(osg::GraphicsContext::Traits* traits):
40                        _valid(false),
41                        _initialized(false),
42            _realized(false),
43            _context(NULL)
44                {
45            _traits = traits;
46
47            init();
48           
49            if (valid())
50            {
51                setState( new osg::State );
52                getState()->setGraphicsContext(this);
53
54                if (_traits.valid() && _traits->sharedContext)
55                {
56                    getState()->setContextID( _traits->sharedContext->getState()->getContextID() );
57                    incrementContextIDUsageCount( getState()->getContextID() );   
58                }
59                else
60                {
61                    getState()->setContextID( osg::GraphicsContext::createNewContextID() );
62                }
63
64            }
65        }
66   
67        virtual bool isSameKindAs(const Object* object) const { return dynamic_cast<const PixelBufferCocoa*>(object)!=0; }
68        virtual const char* libraryName() const { return "osgViewer"; }
69        virtual const char* className() const { return "PixelBufferCarbon"; }
70
71        virtual bool valid() const { return _valid; }
72
73        /** Realise the GraphicsContext.*/
74        virtual bool realizeImplementation();
75
76        /** Return true if the graphics context has been realised and is ready to use.*/
77        virtual bool isRealizedImplementation() const { return _realized; }
78
79        /** Close the graphics context.*/
80        virtual void closeImplementation();
81
82        /** Make this graphics context current.*/
83        virtual bool makeCurrentImplementation();
84
85        /** Make this graphics context current with specified read context implementation. */
86        virtual bool makeContextCurrentImplementation(osg::GraphicsContext* readContext);
87
88        /** Release the graphics context.*/
89        virtual bool releaseContextImplementation();
90
91        /** Bind the graphics context to associated texture implementation.*/
92        virtual void bindPBufferToTextureImplementation( GLenum buffer );
93
94        /** Swap the front and back buffers.*/
95        virtual void swapBuffersImplementation();
96       
97         NSOpenGLContext* getContext() { return _context; }
98    public:
99   
100
101    protected:
102               
103
104   
105        ~PixelBufferCocoa();
106   
107        void init();
108
109        bool            _valid;
110        bool            _initialized;
111        bool            _realized; 
112                NSOpenGLContext* _context;
113};
114
115}
116
117#endif
118
119#endif
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