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// 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
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