Developer Documentation

StatusNodesBase.cc
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40 \*===========================================================================*/
41 #include <ACG/GL/acg_glew.hh>
42 #include "StatusNodesT.hh"
43
44 //== INCLUDES =================================================================
45
46 //== NAMESPACES ===============================================================
47
48 namespace ACG {
49 namespace SceneGraph {
50
51
52 //== IMPLEMENTATION ==========================================================
53
54 StatusNodesBase::StatusNodesBase() : heVBO_(0),
55 eIBO_(0),
56 fIBO_(0),
57 vIBO_(0),
58 pIBO_(0)
59 {
60
61 }
62
63 void StatusNodesBase::createHEVBO()
64 {
65 if(!heVBO_)
66 {
67 glGenBuffers(1, &heVBO_);
68 }
69 }
70
71
72 void StatusNodesBase::createIBO(GLuint& _name)
73 {
74 if(!_name)
75 {
76 glGenBuffers(1, &_name);
77 }
78 }
79
80 StatusNodesBase::~StatusNodesBase()
81 {
82 if(heVBO_)
83 glDeleteBuffers(1,&heVBO_);
84 if(eIBO_)
85 glDeleteBuffers(1,&eIBO_);
86 if(fIBO_)
87 glDeleteBuffers(1,&fIBO_);
88 if(vIBO_)
89 glDeleteBuffers(1,&vIBO_);
90 if(pIBO_)
91 glDeleteBuffers(1,&pIBO_);
92 }
93
94 void StatusNodesBase::bindHEVBO()
95 {
96 glGetIntegerv(GL_ARRAY_BUFFER_BINDING,&prevBuffer);
97 if(!heVBO_)
98 createHEVBO();
99 glBindBuffer(GL_ARRAY_BUFFER, heVBO_);
100 }
101
102 void StatusNodesBase::bindIBO(GLuint& _name)
103 {
104 glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING,&prevBuffer);
105 if(!_name)
106 createIBO(_name);
107 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _name);
108 }
109
110 void StatusNodesBase::unbindHEVBO()
111 {
112 glBindBuffer(GL_ARRAY_BUFFER, prevBuffer);
113 }
114
115 void StatusNodesBase::unbindIBO()
116 {
117 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, prevBuffer);
118 }
119
120 void StatusNodesBase::updateHEVBOPoints(size_t numberOfElements_, size_t sizeOfElements_, void* data_)
121 {
122 bindHEVBO();
123 glBufferData(GL_ARRAY_BUFFER,numberOfElements_ * sizeOfElements_, data_, GL_STATIC_DRAW);
124 unbindHEVBO();
125 }
126
127 void StatusNodesBase::updateIBOData(GLuint& bufferName_, size_t numberOfElements_, size_t sizeOfElements_, void* data_)
128 {
129 bindIBO(bufferName_);
130 glBufferData(GL_ELEMENT_ARRAY_BUFFER,numberOfElements_ * sizeOfElements_, data_, GL_STATIC_DRAW);
131 unbindIBO();
132 }
133 //=============================================================================
134 } // namespace SceneGraph
135 } // namespace ACG
136 //=============================================================================
ACG
Namespace providing different geometric functions concerning angles.
Definition: BaseObjectData.hh:68
SceneGraph
Definition: QtPrincipalAxisDialog.hh:67