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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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3D_TEXTUREDATA_H
#define QT3D_TEXTUREDATA_H
#include <QOpenGLTexture>
#include <QImage>
#include <QSharedPointer>
namespace Qt3D {
class TexImageData
{
public:
TexImageData(int level, int layer);
QOpenGLTexture::CubeMapFace cubeFace() const
{ return m_cubeFace; }
void setCubeFace(QOpenGLTexture::CubeMapFace face);
int layer() const
{ return m_layer; }
int mipMapLevel() const
{ return m_mipMapLevel; }
bool isCompressed() const
{ return m_isCompressed; }
void setImage(QImage);
void setData(QByteArray data,
QOpenGLTexture::PixelFormat fmt,
QOpenGLTexture::PixelType ptype);
void setCompressedData(QByteArray data, QOpenGLTexture::PixelFormat fmt);
QByteArray data() const
{ return m_data; }
QOpenGLTexture::PixelFormat pixelFormat() const
{ return m_pixelFormat; }
QOpenGLTexture::PixelType pixelType() const
{ return m_pixelType; }
private:
int m_layer, m_mipMapLevel;
QOpenGLTexture::CubeMapFace m_cubeFace;
QOpenGLTexture::PixelFormat m_pixelFormat;
QOpenGLTexture::PixelType m_pixelType;
bool m_isCompressed;
QByteArray m_data;
};
typedef QSharedPointer<TexImageData> TexImageDataPtr;
class Texture
{
public:
Texture();
void setTarget(QOpenGLTexture::Target target);
void setInternalFormat(QOpenGLTexture::TextureFormat format);
QOpenGLTexture::TextureFormat format() const
{ return m_format; }
QOpenGLTexture::Target target() const
{ return m_target; }
/**
* @brief setFromQImage - set size and image data based upon a QImage
* Can optionally generate mip-map levels automatically too. Target
* must be Texture2D, Texture2DArray or TextureRectangle.
* @param img - valid QImage. If Texture2D is set, should be power-of-2
* dimensions.
*/
bool setFromQImage(QImage img, int layer = 0);
void addImageData(TexImageDataPtr imgData);
QList<TexImageDataPtr> imageData() const;
void setGenerateMipMaps(bool gen);
bool generateMipMaps() const
{ return m_autoMipMap; }
// sampler data - in the future proxy to a Sampler helper
void setMinificationFilter(QOpenGLTexture::Filter f);
void setMagnificationFilter(QOpenGLTexture::Filter f);
QOpenGLTexture::Filter minificationFilter() const
{ return m_minFilter; }
QOpenGLTexture::Filter magnificationFilter() const
{ return m_magFilter; }
void setWrapMode(QOpenGLTexture::WrapMode wrapMode);
QOpenGLTexture::WrapMode wrapMode() const
{ return m_wrapMode; }
void setSize(int width, int height=1, int depth=1);
int width() const;
int height() const;
int depth() const;
private:
QOpenGLTexture::Target m_target;
QOpenGLTexture::TextureFormat m_format;
int m_width, m_height, m_depth;
bool m_autoMipMap;
QList<TexImageDataPtr> m_data;
QOpenGLTexture::Filter m_minFilter, m_magFilter;
// FIXME, store per direction
QOpenGLTexture::WrapMode m_wrapMode;
};
} // namespace Qt3D
#endif // QT3D_TEXTUREDATA_H
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