1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtOpenGL module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QGLPIXELBUFFER_P_H 41 #define QGLPIXELBUFFER_P_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists purely as an 48 // implementation detail. This header file may change from version to 49 // version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include "QtOpenGL/qglpixelbuffer.h" 55 #include <private/qgl_p.h> 56 #include <private/qglpaintdevice_p.h> 57 58 QT_BEGIN_NAMESPACE 59 60 class QEglContext; 61 class QOpenGLFramebufferObject; 62 63 class QGLPBufferGLPaintDevice : public QGLPaintDevice 64 { 65 public: paintEngine()66 QPaintEngine* paintEngine() const override {return pbuf->paintEngine();} size()67 QSize size() const override {return pbuf->size();} 68 QGLContext* context() const override; 69 void beginPaint() override; 70 void endPaint() override; 71 void setPBuffer(QGLPixelBuffer* pb); 72 void setFbo(GLuint fbo); 73 private: 74 QGLPixelBuffer* pbuf; 75 }; 76 77 class QGLPixelBufferPrivate { Q_DECLARE_PUBLIC(QGLPixelBuffer)78 Q_DECLARE_PUBLIC(QGLPixelBuffer) 79 public: 80 QGLPixelBufferPrivate(QGLPixelBuffer *q) : q_ptr(q), invalid(true), qctx(nullptr), widget(nullptr), fbo(nullptr), blit_fbo(nullptr), pbuf(nullptr), ctx(nullptr) 81 { 82 } 83 bool init(const QSize &size, const QGLFormat &f, QGLWidget *shareWidget); 84 void common_init(const QSize &size, const QGLFormat &f, QGLWidget *shareWidget); 85 bool cleanup(); 86 87 QGLPixelBuffer *q_ptr; 88 bool invalid; 89 QGLContext *qctx; 90 QGLPBufferGLPaintDevice glDevice; 91 QGLWidget *widget; 92 QOpenGLFramebufferObject *fbo; 93 QOpenGLFramebufferObject *blit_fbo; 94 QGLFormat format; 95 96 QGLFormat req_format; 97 QPointer<QGLWidget> req_shareWidget; 98 QSize req_size; 99 100 //stubs 101 void *pbuf; 102 void *ctx; 103 }; 104 105 QT_END_NAMESPACE 106 107 #endif // QGLPIXELBUFFER_P_H 108