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Diffstat (limited to 'src/core/render/io/texturedata.h')
| -rw-r--r-- | src/core/render/io/texturedata.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/core/render/io/texturedata.h b/src/core/render/io/texturedata.h new file mode 100644 index 000000000..6ce214c26 --- /dev/null +++ b/src/core/render/io/texturedata.h @@ -0,0 +1,164 @@ +/**************************************************************************** +** +** 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 |