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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.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3D_RENDER_RENDERTEXTURE_H
#define QT3D_RENDER_RENDERTEXTURE_H
#include <QOpenGLContext>
#include <QMutex>
#include <Qt3DRenderer/qtexture.h>
#include <Qt3DRenderer/texturedata.h>
#include <Qt3DCore/qbackendnode.h>
#include <Qt3DRenderer/private/handle_types_p.h>
QT_BEGIN_NAMESPACE
class QOpenGLTexture;
namespace Qt3D {
class QAbstractTextureProvider;
namespace Render {
class TextureManager;
class TextureImageManager;
class TextureDataManager;
typedef uint TextureDNA;
class RenderTexture : public QBackendNode
{
public:
RenderTexture();
~RenderTexture();
void cleanup();
void updateFromPeer(QNode *peer) Q_DECL_OVERRIDE;
QOpenGLTexture* getOrCreateGLTexture() ;
GLint textureId();
bool isTextureReset() const;
void sceneChangeEvent(const QSceneChangePtr &e) Q_DECL_OVERRIDE;
TextureDNA dna() const;
void setTextureManager(TextureManager *manager);
void setTextureImageManager(TextureImageManager *manager);
void setTextureDataManager(TextureDataManager *manager);
void updateAndLoadTextureImage();
void addTextureImageData(HTextureImage handle);
void removeTextureImageData(HTextureImage handle);
void requestTextureDataUpdate();
void addToPendingTextureJobs();
void setSize(int width, int height, int depth);
void setFormat(QAbstractTextureProvider::TextureFormat format);
inline QVector<HTextureImage> textureImages() const { return m_textureImages; }
inline QAbstractTextureProvider::TextureFormat format() const { return m_format; }
private:
QOpenGLTexture *m_gl;
QOpenGLTexture *buildGLTexture();
void setToGLTexture(RenderTextureImage *rImg, TexImageData *imgData);
void updateWrapAndFilters();
int m_width;
int m_height;
int m_depth;
int m_layers;
bool m_generateMipMaps;
QAbstractTextureProvider::Target m_target;
QAbstractTextureProvider::TextureFormat m_format;
QAbstractTextureProvider::Filter m_magnificationFilter;
QAbstractTextureProvider::Filter m_minificationFilter;
QTextureWrapMode::WrapMode m_wrapModeX;
QTextureWrapMode::WrapMode m_wrapModeY;
QTextureWrapMode::WrapMode m_wrapModeZ;
float m_maximumAnisotropy;
QAbstractTextureProvider::ComparisonFunction m_comparisonFunction;
QAbstractTextureProvider::ComparisonMode m_comparisonMode;
QVector<HTextureImage> m_textureImages;
bool m_isDirty;
bool m_filtersAndWrapUpdated;
bool m_dataUploadRequired;
bool m_formatWasSpecified;
QMutex *m_lock;
TextureDNA m_textureDNA;
TextureManager *m_textureManager;
TextureImageManager *m_textureImageManager;
TextureDataManager *m_textureDataManager;
void updateDNA();
};
class RenderTextureFunctor : public QBackendNodeFunctor
{
public:
explicit RenderTextureFunctor(TextureManager *textureManager,
TextureImageManager *textureImageManager,
TextureDataManager *textureDataManager);
QBackendNode *create(QNode *frontend, const QBackendNodeFactory *factory) const Q_DECL_FINAL;
QBackendNode *get(const QNodeId &id) const Q_DECL_FINAL;
void destroy(const QNodeId &id) const Q_DECL_FINAL;
private:
TextureManager *m_textureManager;
TextureImageManager *m_textureImageManager;
TextureDataManager *m_textureDataManager;
};
} // namespace Render
} // namespace Qt3D
QT_END_NAMESPACE
Q_DECLARE_METATYPE(Qt3D::Render::RenderTexture*)
#endif // QT3D_RENDER_RENDERTEXTURE_H
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