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39
40#ifndef OPENGLVERTEXARRAYOBJECT_H
41#define 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 <Qt3DRender/private/submissioncontext_p.h>
56
57QT_BEGIN_NAMESPACE
58
59namespace Qt3DRender {
60namespace Render {
61
62class GeometryManager;
63class ShaderManager;
64
65typedef QPair<HGeometry, HShader> VAOIdentifier;
66
67class OpenGLVertexArrayObject
68{
69public:
70 OpenGLVertexArrayObject();
71
72 void bind();
73 void release();
74
75 void create(SubmissionContext *ctx, const VAOIdentifier &key);
76 VAOIdentifier key() const;
77 void destroy();
78 void cleanup();
79
80 bool isAbandoned(GeometryManager *geomMgr, ShaderManager *shaderMgr);
81
82 QOpenGLVertexArrayObject *vao() { return m_vao.data(); }
83 const QOpenGLVertexArrayObject *vao() const { return m_vao.data(); }
84
85 void setSpecified(bool b) { m_specified = b; }
86 bool isSpecified() const { return m_specified; }
87
88
89private:
90 QMutex m_mutex;
91 SubmissionContext *m_ctx;
92 QScopedPointer<QOpenGLVertexArrayObject> m_vao;
93 bool m_specified;
94 bool m_supportsVao;
95 VAOIdentifier m_owners;
96
97 friend class SubmissionContext;
98
99 void saveVertexAttribute(const SubmissionContext::VAOVertexAttribute &attr);
100 inline void saveIndexAttribute(HGLBuffer glBufferHandle) { m_indexAttribute = glBufferHandle; }
101
102 QVector<SubmissionContext::VAOVertexAttribute> m_vertexAttributes;
103 SubmissionContext::VAOIndexAttribute m_indexAttribute;
104};
105
106} // namespace Render
107} // namespace Qt3DRender
108
109QT_END_NAMESPACE
110
111#endif // OPENGLVERTEXARRAYOBJECT_H
112