Revision control
Copy as Markdown
// Copyright (C) 2014 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_GLBUFFER_P_H
#define QT3DRENDER_RENDER_OPENGL_GLBUFFER_P_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 <QOpenGLContext>
#include <Qt3DCore/qnodeid.h>
#include <qbytearray.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
namespace OpenGL {
class GraphicsContext;
class GLBuffer
{
public:
GLBuffer();
enum Type
{
ArrayBuffer = 0,
UniformBuffer,
IndexBuffer,
ShaderStorageBuffer,
PixelPackBuffer,
PixelUnpackBuffer,
DrawIndirectBuffer
};
bool bind(GraphicsContext *ctx, Type t);
bool release(GraphicsContext *ctx);
bool create(GraphicsContext *ctx);
void destroy(GraphicsContext *ctx);
void allocate(GraphicsContext *ctx, uint size, bool dynamic = true);
void allocate(GraphicsContext *ctx, const void *data, uint size, bool dynamic = true);
void update(GraphicsContext *ctx, const void *data, uint size, int offset = 0);
QByteArray download(GraphicsContext *ctx, uint size);
void bindBufferBase(GraphicsContext *ctx, int bindingPoint, Type t);
void bindBufferBase(GraphicsContext *ctx, int bindingPoint);
inline GLuint bufferId() const { return m_bufferId; }
inline bool isCreated() const { return m_isCreated; }
inline bool isBound() const { return m_bound; }
private:
GLuint m_bufferId;
bool m_isCreated;
bool m_bound;
GLenum m_lastTarget;
};
} // namespace OpenGL
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_OPENGL_GLBUFFER_P_H