1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the Qt3D 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 QT3DRENDER_QBUFFER_H 41 #define QT3DRENDER_QBUFFER_H 42 43 #include <Qt3DCore/qnode.h> 44 #include <Qt3DRender/qt3drender_global.h> 45 #include <QtCore/QSharedPointer> 46 47 48 QT_BEGIN_NAMESPACE 49 50 namespace Qt3DRender { 51 52 class QBufferPrivate; 53 class QBufferDataGenerator; 54 typedef QSharedPointer<QBufferDataGenerator> QBufferDataGeneratorPtr; 55 56 class Q_3DRENDERSHARED_EXPORT QBuffer : public Qt3DCore::QNode 57 { 58 Q_OBJECT 59 Q_PROPERTY(BufferType type READ type WRITE setType NOTIFY typeChanged) 60 Q_PROPERTY(UsageType usage READ usage WRITE setUsage NOTIFY usageChanged) 61 Q_PROPERTY(bool syncData READ isSyncData WRITE setSyncData NOTIFY syncDataChanged) 62 Q_PROPERTY(AccessType accessType READ accessType WRITE setAccessType NOTIFY accessTypeChanged REVISION 9) 63 64 public: 65 enum BufferType 66 { 67 VertexBuffer = 0x8892, // GL_ARRAY_BUFFER 68 IndexBuffer = 0x8893, // GL_ELEMENT_ARRAY_BUFFER 69 PixelPackBuffer = 0x88EB, // GL_PIXEL_PACK_BUFFER 70 PixelUnpackBuffer = 0x88EC, // GL_PIXEL_UNPACK_BUFFER 71 UniformBuffer = 0x8A11, // GL_UNIFORM_BUFFER 72 ShaderStorageBuffer = 0x90D2, // GL_SHADER_STORAGE_BUFFER 73 DrawIndirectBuffer = 0x8F3F // GL_DRAW_INDIRECT_BUFFER 74 }; 75 Q_ENUM(BufferType) // LCOV_EXCL_LINE 76 77 enum UsageType 78 { 79 StreamDraw = 0x88E0, // GL_STREAM_DRAW 80 StreamRead = 0x88E1, // GL_STREAM_READ 81 StreamCopy = 0x88E2, // GL_STREAM_COPY 82 StaticDraw = 0x88E4, // GL_STATIC_DRAW 83 StaticRead = 0x88E5, // GL_STATIC_READ 84 StaticCopy = 0x88E6, // GL_STATIC_COPY 85 DynamicDraw = 0x88E8, // GL_DYNAMIC_DRAW 86 DynamicRead = 0x88E9, // GL_DYNAMIC_READ 87 DynamicCopy = 0x88EA // GL_DYNAMIC_COPY 88 }; 89 Q_ENUM(UsageType) // LCOV_EXCL_LINE 90 91 enum AccessType { 92 Write = 0x1, 93 Read = 0x2, 94 ReadWrite = Write|Read 95 }; 96 Q_ENUM(AccessType) // LCOV_EXCL_LINE 97 98 explicit QBuffer(Qt3DCore::QNode *parent = nullptr); 99 QT_DEPRECATED explicit QBuffer(BufferType ty, Qt3DCore::QNode *parent = nullptr); 100 ~QBuffer(); 101 102 UsageType usage() const; 103 QT_DEPRECATED BufferType type() const; 104 bool isSyncData() const; 105 AccessType accessType() const; 106 107 void setData(const QByteArray &bytes); 108 QByteArray data() const; 109 110 Q3D_DECL_DEPRECATED void setDataGenerator(const QBufferDataGeneratorPtr &functor); 111 Q3D_DECL_DEPRECATED QBufferDataGeneratorPtr dataGenerator() const; 112 113 Q_INVOKABLE void updateData(int offset, const QByteArray &bytes); 114 115 public Q_SLOTS: 116 QT_DEPRECATED void setType(BufferType type); 117 void setUsage(UsageType usage); 118 void setSyncData(bool syncData); 119 void setAccessType(AccessType access); 120 121 Q_SIGNALS: 122 void dataChanged(const QByteArray &bytes); 123 void typeChanged(BufferType type); 124 void usageChanged(UsageType usage); 125 void syncDataChanged(bool syncData); 126 void accessTypeChanged(AccessType access); 127 void dataAvailable(); 128 129 protected: 130 // TODO Unused remove in Qt6 131 void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &change) override; 132 133 private: 134 Q_DECLARE_PRIVATE(QBuffer) 135 Qt3DCore::QNodeCreatedChangeBasePtr createNodeCreationChange() const override; 136 }; 137 138 } // namespace Qt3DRender 139 140 QT_END_NAMESPACE 141 142 #endif // QT3DRENDER_QBUFFER_H 143