mirror of
https://github.com/Gator96100/ProxSpace.git
synced 2025-07-16 02:03:02 -07:00
139 lines
4.4 KiB
C++
139 lines
4.4 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
** Contact: http://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the QtGui module of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL21$
|
|
** 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 2.1 or version 3 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
** following information to ensure the GNU Lesser General Public License
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** As a special exception, The Qt Company gives you certain additional
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#ifndef QOPENGLBUFFER_H
|
|
#define QOPENGLBUFFER_H
|
|
|
|
#include <QtCore/qglobal.h>
|
|
|
|
#ifndef QT_NO_OPENGL
|
|
|
|
#include <QtCore/qscopedpointer.h>
|
|
#include <QtGui/qopengl.h>
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
|
|
class QOpenGLBufferPrivate;
|
|
|
|
class Q_GUI_EXPORT QOpenGLBuffer
|
|
{
|
|
public:
|
|
enum Type
|
|
{
|
|
VertexBuffer = 0x8892, // GL_ARRAY_BUFFER
|
|
IndexBuffer = 0x8893, // GL_ELEMENT_ARRAY_BUFFER
|
|
PixelPackBuffer = 0x88EB, // GL_PIXEL_PACK_BUFFER
|
|
PixelUnpackBuffer = 0x88EC // GL_PIXEL_UNPACK_BUFFER
|
|
};
|
|
|
|
QOpenGLBuffer();
|
|
explicit QOpenGLBuffer(QOpenGLBuffer::Type type);
|
|
QOpenGLBuffer(const QOpenGLBuffer &other);
|
|
~QOpenGLBuffer();
|
|
|
|
QOpenGLBuffer &operator=(const QOpenGLBuffer &other);
|
|
|
|
enum UsagePattern
|
|
{
|
|
StreamDraw = 0x88E0, // GL_STREAM_DRAW
|
|
StreamRead = 0x88E1, // GL_STREAM_READ
|
|
StreamCopy = 0x88E2, // GL_STREAM_COPY
|
|
StaticDraw = 0x88E4, // GL_STATIC_DRAW
|
|
StaticRead = 0x88E5, // GL_STATIC_READ
|
|
StaticCopy = 0x88E6, // GL_STATIC_COPY
|
|
DynamicDraw = 0x88E8, // GL_DYNAMIC_DRAW
|
|
DynamicRead = 0x88E9, // GL_DYNAMIC_READ
|
|
DynamicCopy = 0x88EA // GL_DYNAMIC_COPY
|
|
};
|
|
|
|
enum Access
|
|
{
|
|
ReadOnly = 0x88B8, // GL_READ_ONLY
|
|
WriteOnly = 0x88B9, // GL_WRITE_ONLY
|
|
ReadWrite = 0x88BA // GL_READ_WRITE
|
|
};
|
|
|
|
enum RangeAccessFlag
|
|
{
|
|
RangeRead = 0x0001, // GL_MAP_READ_BIT
|
|
RangeWrite = 0x0002, // GL_MAP_WRITE_BIT
|
|
RangeInvalidate = 0x0004, // GL_MAP_INVALIDATE_RANGE_BIT
|
|
RangeInvalidateBuffer = 0x0008, // GL_MAP_INVALIDATE_BUFFER_BIT
|
|
RangeFlushExplicit = 0x0010, // GL_MAP_FLUSH_EXPLICIT_BIT
|
|
RangeUnsynchronized = 0x0020 // GL_MAP_UNSYNCHRONIZED_BIT
|
|
};
|
|
Q_DECLARE_FLAGS(RangeAccessFlags, RangeAccessFlag)
|
|
|
|
QOpenGLBuffer::Type type() const;
|
|
|
|
QOpenGLBuffer::UsagePattern usagePattern() const;
|
|
void setUsagePattern(QOpenGLBuffer::UsagePattern value);
|
|
|
|
bool create();
|
|
bool isCreated() const;
|
|
|
|
void destroy();
|
|
|
|
bool bind();
|
|
void release();
|
|
|
|
static void release(QOpenGLBuffer::Type type);
|
|
|
|
GLuint bufferId() const;
|
|
|
|
int size() const;
|
|
|
|
bool read(int offset, void *data, int count);
|
|
void write(int offset, const void *data, int count);
|
|
|
|
void allocate(const void *data, int count);
|
|
inline void allocate(int count) { allocate(Q_NULLPTR, count); }
|
|
|
|
void *map(QOpenGLBuffer::Access access);
|
|
void *mapRange(int offset, int count, QOpenGLBuffer::RangeAccessFlags access);
|
|
bool unmap();
|
|
|
|
private:
|
|
QOpenGLBufferPrivate *d_ptr;
|
|
|
|
Q_DECLARE_PRIVATE(QOpenGLBuffer)
|
|
};
|
|
|
|
Q_DECLARE_OPERATORS_FOR_FLAGS(QOpenGLBuffer::RangeAccessFlags)
|
|
|
|
QT_END_NAMESPACE
|
|
|
|
#endif // QT_NO_OPENGL
|
|
|
|
#endif
|