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39
40#ifndef QT3DRENDER_RENDER_OPENGL_OPENGLVERTEXARRAYOBJECT_H
41#define QT3DRENDER_RENDER_OPENGL_OPENGLVERTEXARRAYOBJECT_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of other Qt classes. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtGui/qopenglvertexarrayobject.h>
55#include <submissioncontext_p.h>
56
57QT_BEGIN_NAMESPACE
58
59namespace Qt3DRender {
60namespace Render {
61
62class GeometryManager;
63
64typedef QPair<HGeometry, Qt3DCore::QNodeId> VAOIdentifier;
65
66namespace OpenGL {
67
68class GLShaderManager;
69
70class Q_AUTOTEST_EXPORT OpenGLVertexArrayObject
71{
72public:
73 OpenGLVertexArrayObject();
74
75 void bind();
76 void release();
77
78 void create(SubmissionContext *ctx, const VAOIdentifier &key);
79 VAOIdentifier key() const;
80 void destroy();
81 void cleanup();
82
83 bool isAbandoned(GeometryManager *geomMgr, GLShaderManager *shaderMgr);
84
85 QOpenGLVertexArrayObject *vao() { return m_vao.data(); }
86 const QOpenGLVertexArrayObject *vao() const { return m_vao.data(); }
87
88 void setSpecified(bool b) { m_specified = b; }
89 bool isSpecified() const { return m_specified; }
90
91
92private:
93 QMutex m_mutex;
94 SubmissionContext *m_ctx;
95 QScopedPointer<QOpenGLVertexArrayObject> m_vao;
96 bool m_specified;
97 bool m_supportsVao;
98 VAOIdentifier m_owners;
99
100 friend class SubmissionContext;
101
102 void saveVertexAttribute(const SubmissionContext::VAOVertexAttribute &attr);
103 inline void saveIndexAttribute(HGLBuffer glBufferHandle) { m_indexAttribute = glBufferHandle; }
104
105 QVector<SubmissionContext::VAOVertexAttribute> m_vertexAttributes;
106 SubmissionContext::VAOIndexAttribute m_indexAttribute;
107};
108
109} // namespace OpenGL
110} // namespace Render
111} // namespace Qt3DRender
112
113QT_END_NAMESPACE
114
115#endif // QT3DRENDER_RENDER_OPENGL_OPENGLVERTEXARRAYOBJECT_H
116

source code of qt3d/src/plugins/renderers/opengl/renderer/openglvertexarrayobject_p.h