1fdfc2abfe
Change-Id: I02f2c620296fcd91d4967d58767ea33fc4e1e7dc Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtOpenGL module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QGLBUFFER_H
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#define QGLBUFFER_H
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#include <QtCore/qscopedpointer.h>
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#include <QtOpenGL/qgl.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(OpenGL)
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class QGLBufferPrivate;
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class Q_OPENGL_EXPORT QGLBuffer
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{
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public:
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enum Type
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{
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VertexBuffer = 0x8892, // GL_ARRAY_BUFFER
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IndexBuffer = 0x8893, // GL_ELEMENT_ARRAY_BUFFER
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PixelPackBuffer = 0x88EB, // GL_PIXEL_PACK_BUFFER
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PixelUnpackBuffer = 0x88EC // GL_PIXEL_UNPACK_BUFFER
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};
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QGLBuffer();
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explicit QGLBuffer(QGLBuffer::Type type);
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QGLBuffer(const QGLBuffer &other);
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~QGLBuffer();
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QGLBuffer &operator=(const QGLBuffer &other);
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enum UsagePattern
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{
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StreamDraw = 0x88E0, // GL_STREAM_DRAW
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StreamRead = 0x88E1, // GL_STREAM_READ
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StreamCopy = 0x88E2, // GL_STREAM_COPY
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StaticDraw = 0x88E4, // GL_STATIC_DRAW
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StaticRead = 0x88E5, // GL_STATIC_READ
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StaticCopy = 0x88E6, // GL_STATIC_COPY
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DynamicDraw = 0x88E8, // GL_DYNAMIC_DRAW
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DynamicRead = 0x88E9, // GL_DYNAMIC_READ
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DynamicCopy = 0x88EA // GL_DYNAMIC_COPY
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};
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enum Access
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{
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ReadOnly = 0x88B8, // GL_READ_ONLY
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WriteOnly = 0x88B9, // GL_WRITE_ONLY
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ReadWrite = 0x88BA // GL_READ_WRITE
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};
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QGLBuffer::Type type() const;
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QGLBuffer::UsagePattern usagePattern() const;
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void setUsagePattern(QGLBuffer::UsagePattern value);
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bool create();
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bool isCreated() const;
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void destroy();
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bool bind();
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void release();
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static void release(QGLBuffer::Type type);
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GLuint bufferId() const;
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int size() const;
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bool read(int offset, void *data, int count);
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void write(int offset, const void *data, int count);
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void allocate(const void *data, int count);
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inline void allocate(int count) { allocate(0, count); }
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void *map(QGLBuffer::Access access);
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bool unmap();
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private:
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QGLBufferPrivate *d_ptr;
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Q_DECLARE_PRIVATE(QGLBuffer)
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif
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