Revision control
++ // Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #ifndef QT3DRENDER_RENDER_OPENGL_OPENGLVERTEXARRAYOBJECT_H
++ #define QT3DRENDER_RENDER_OPENGL_OPENGLVERTEXARRAYOBJECT_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists for the convenience
++ // of other Qt classes. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <QOpenGLVertexArrayObject>
++ #include <submissioncontext_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DRender {
++ namespace Render {
++
++ class GeometryManager;
++
++ typedef QPair<HGeometry, Qt3DCore::QNodeId> VAOIdentifier;
++
++ namespace OpenGL {
++
++ class GLShaderManager;
++
++ class Q_AUTOTEST_EXPORT OpenGLVertexArrayObject
++ {
++ public:
++ OpenGLVertexArrayObject();
++
++ void bind();
++ void release();
++
++ void create(SubmissionContext *ctx, const VAOIdentifier &key);
++ VAOIdentifier key() const;
++ void destroy();
++ void cleanup();
++
++ bool isAbandoned(GeometryManager *geomMgr, GLShaderManager *shaderMgr);
++
++ QOpenGLVertexArrayObject *vao() { return m_vao.data(); }
++ const QOpenGLVertexArrayObject *vao() const { return m_vao.data(); }
++
++ void setSpecified(bool b) { m_specified = b; }
++ bool isSpecified() const { return m_specified; }
++
++
++ private:
++ QMutex m_mutex;
++ SubmissionContext *m_ctx;
++ QScopedPointer<QOpenGLVertexArrayObject> m_vao;
++ bool m_specified;
++ bool m_supportsVao;
++ VAOIdentifier m_owners;
++
++ friend class SubmissionContext;
++
++ void saveVertexAttribute(const SubmissionContext::VAOVertexAttribute &attr);
++ inline void saveIndexAttribute(HGLBuffer glBufferHandle) { m_indexAttribute = glBufferHandle; }
++
++ std::vector<SubmissionContext::VAOVertexAttribute> m_vertexAttributes;
++ SubmissionContext::VAOIndexAttribute m_indexAttribute;
++ };
++
++ } // namespace OpenGL
++ } // namespace Render
++ } // namespace Qt3DRender
++
++ QT_END_NAMESPACE
++
++ #endif // QT3DRENDER_RENDER_OPENGL_OPENGLVERTEXARRAYOBJECT_H