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/****************************************************************************
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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** This file is part of the QtQml module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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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
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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****************************************************************************/
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#ifndef QQUICKCONTEXT2DTEXTURE_P_H
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#define QQUICKCONTEXT2DTEXTURE_P_H
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#include <QtQuick/qsgtexture.h>
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#include "qquickcanvasitem_p.h"
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#include "qquickcontext2d_p.h"
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#include <QOpenGLContext>
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#include <QOpenGLFramebufferObject>
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#include <QtCore/QMutex>
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#include <QtCore/QWaitCondition>
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#include <QtCore/QThread>
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class QQuickContext2DTile;
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class QQuickContext2DCommandBuffer;
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class QQuickContext2DTexture : public QSGDynamicTexture
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QQuickContext2DTexture();
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~QQuickContext2DTexture();
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virtual bool hasAlphaChannel() const {return true;}
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virtual bool hasMipmaps() const {return false;}
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virtual QSize textureSize() const;
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virtual QQuickCanvasItem::RenderTarget renderTarget() const = 0;
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static QRect tiledRect(const QRectF& window, const QSize& tileSize);
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bool setCanvasSize(const QSize &size);
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bool setTileSize(const QSize &size);
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bool setCanvasWindow(const QRect& canvasWindow);
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void setSmooth(bool smooth);
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void setAntialiasing(bool antialiasing);
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bool setDirtyRect(const QRect &dirtyRect);
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bool canvasDestroyed();
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void textureChanged();
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void markDirtyTexture();
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void setItem(QQuickCanvasItem* item);
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void canvasChanged(const QSize& canvasSize, const QSize& tileSize, const QRect& canvasWindow, const QRect& dirtyRect, bool smooth, bool antialiasing);
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void paint(QQuickContext2DCommandBuffer *ccb);
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virtual void grabImage(const QRectF& region = QRectF()) = 0;
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void paintWithoutTiles(QQuickContext2DCommandBuffer *ccb);
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virtual QPaintDevice* beginPainting() {m_painting = true; return 0; }
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virtual void endPainting() {m_painting = false;}
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virtual QQuickContext2DTile* createTile() const = 0;
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virtual void compositeTile(QQuickContext2DTile* tile) = 0;
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virtual QSize adjustedTileSize(const QSize &ts);
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QRect createTiles(const QRect& window);
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QList<QQuickContext2DTile*> m_tiles;
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QQuickContext2D* m_context;
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QQuickContext2D::State m_state;
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QQuickCanvasItem* m_item;
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QRect m_canvasWindow;
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uint m_dirtyCanvas : 1;
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uint m_canvasWindowChanged : 1;
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uint m_dirtyTexture : 1;
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uint m_antialiasing : 1;
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uint m_tiledCanvas : 1;
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class QQuickContext2DFBOTexture : public QQuickContext2DTexture
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QQuickContext2DFBOTexture();
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~QQuickContext2DFBOTexture();
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virtual int textureId() const;
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virtual bool updateTexture();
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virtual QQuickContext2DTile* createTile() const;
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virtual QPaintDevice* beginPainting();
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virtual void endPainting();
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QRectF normalizedTextureSubRect() const;
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virtual QQuickCanvasItem::RenderTarget renderTarget() const;
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virtual void compositeTile(QQuickContext2DTile* tile);
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QSize adjustedTileSize(const QSize &ts);
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virtual void grabImage(const QRectF& region = QRectF());
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bool doMultisampling() const;
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QOpenGLFramebufferObject *m_fbo;
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QOpenGLFramebufferObject *m_multisampledFbo;
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QWaitCondition m_condition;
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QPaintDevice *m_paint_device;
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class QSGPlainTexture;
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class QQuickContext2DImageTexture : public QQuickContext2DTexture
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QQuickContext2DImageTexture();
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~QQuickContext2DImageTexture();
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virtual int textureId() const;
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virtual QQuickCanvasItem::RenderTarget renderTarget() const;
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virtual bool updateTexture();
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virtual QQuickContext2DTile* createTile() const;
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virtual QPaintDevice* beginPainting();
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virtual void compositeTile(QQuickContext2DTile* tile);
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virtual void grabImage(const QRectF& region = QRectF());
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QSGPlainTexture *imageTexture() const;
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QSGPlainTexture* m_texture;
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#endif // QQUICKCONTEXT2DTEXTURE_P_H