diff options
author | Samuel Rødal <samuel.rodal@nokia.com> | 2011-08-22 10:49:28 +0200 |
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committer | Samuel Rødal <samuel.rodal@nokia.com> | 2011-08-29 10:25:24 +0200 |
commit | 6e28e8441b698c3397c2c78125c877f2e9867cb1 (patch) | |
tree | 1e3ad0e43cb775854835817cd04bdc8b5e047e15 /src/gui/opengl/qopenglbuffer.h | |
parent | aaa4a26f82f99fa8724841eba91bad029306e0ce (diff) |
Copy core GL functionality to QtGui with QGL -> QOpenGL naming.
Change-Id: Ibc989afa4a30dd184d41d1a1cd89f97196e48855
Reviewed-on: http://codereview.qt.nokia.com/3710
Reviewed-by: Gunnar Sletta <gunnar.sletta@nokia.com>
Diffstat (limited to 'src/gui/opengl/qopenglbuffer.h')
-rw-r--r-- | src/gui/opengl/qopenglbuffer.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/gui/opengl/qopenglbuffer.h b/src/gui/opengl/qopenglbuffer.h new file mode 100644 index 0000000000..52a2c4d640 --- /dev/null +++ b/src/gui/opengl/qopenglbuffer.h @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 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 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QOPENGLBUFFER_H +#define QOPENGLBUFFER_H + +#include <QtCore/qscopedpointer.h> +#include <QtGui/qopengl.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Gui) + +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 + }; + + 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(0, count); } + + void *map(QOpenGLBuffer::Access access); + bool unmap(); + +private: + QOpenGLBufferPrivate *d_ptr; + + Q_DECLARE_PRIVATE(QOpenGLBuffer) +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |