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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DRENDER_RENDER_UNIFORMBUFFER_P_H
#define QT3DRENDER_RENDER_UNIFORMBUFFER_P_H
#include <QOpenGLContext>
#include <Qt3DCore/qnodeid.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
class GraphicsContext;
typedef QPair<Qt3D::QNodeId, Qt3D::QNodeId> ShaderDataShaderUboKey;
class UniformBuffer
{
public:
UniformBuffer();
void bind(GraphicsContext *ctx);
void create(GraphicsContext *ctx);
void destroy(GraphicsContext *ctx);
void allocate(GraphicsContext *ctx, uint size, bool dynamic = true);
void update(GraphicsContext *ctx, const void *data, uint size, int offset = 0);
void bindToUniformBlock(GraphicsContext *ctx, int bindingPoint);
inline GLuint bufferId() const { return m_bufferId; }
inline bool isCreated() const { return m_isCreated; }
private:
GLuint m_bufferId;
bool m_isCreated;
};
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_UNIFORMBUFFER_P_H
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