| 1 | // Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB). |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QT3DRENDER_RENDER_BUFFER_H |
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| 5 | #define QT3DRENDER_RENDER_BUFFER_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists for the convenience |
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| 12 | // of other Qt classes. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtCore> |
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| 19 | #include <Qt3DRender/private/backendnode_p.h> |
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| 20 | #include <Qt3DCore/qbuffer.h> |
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| 21 | |
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| 22 | QT_BEGIN_NAMESPACE |
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| 23 | |
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| 24 | namespace Qt3DCore { |
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| 25 | struct QBufferUpdate; |
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| 26 | } |
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| 27 | |
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| 28 | namespace Qt3DRender { |
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| 29 | namespace Render { |
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| 30 | |
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| 31 | class BufferManager; |
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| 32 | |
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| 33 | class Q_3DRENDERSHARED_PRIVATE_EXPORT Buffer : public BackendNode |
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| 34 | { |
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| 35 | public: |
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| 36 | Buffer(); |
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| 37 | ~Buffer(); |
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| 38 | void cleanup(); |
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| 39 | |
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| 40 | void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override; |
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| 41 | |
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| 42 | void setManager(BufferManager *manager); |
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| 43 | void updateDataFromGPUToCPU(QByteArray data); |
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| 44 | inline Qt3DCore::QBuffer::UsageType usage() const { return m_usage; } |
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| 45 | inline QByteArray data() const { return m_data; } |
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| 46 | inline std::vector<Qt3DCore::QBufferUpdate> &pendingBufferUpdates() { return m_bufferUpdates; } |
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| 47 | inline bool isDirty() const { return m_bufferDirty; } |
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| 48 | inline Qt3DCore::QBuffer::AccessType access() const { return m_access; } |
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| 49 | void unsetDirty(); |
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| 50 | |
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| 51 | private: |
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| 52 | void forceDataUpload(); |
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| 53 | |
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| 54 | Qt3DCore::QBuffer::UsageType m_usage; |
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| 55 | QByteArray m_data; |
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| 56 | std::vector<Qt3DCore::QBufferUpdate> m_bufferUpdates; |
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| 57 | bool m_bufferDirty; |
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| 58 | Qt3DCore::QBuffer::AccessType m_access; |
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| 59 | BufferManager *m_manager; |
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| 60 | }; |
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| 61 | |
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| 62 | class BufferFunctor : public Qt3DCore::QBackendNodeMapper |
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| 63 | { |
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| 64 | public: |
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| 65 | explicit BufferFunctor(AbstractRenderer *renderer, BufferManager *manager); |
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| 66 | Qt3DCore::QBackendNode *create(Qt3DCore::QNodeId id) const override; |
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| 67 | Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const override; |
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| 68 | void destroy(Qt3DCore::QNodeId id) const override; |
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| 69 | private: |
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| 70 | BufferManager *m_manager; |
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| 71 | AbstractRenderer *m_renderer; |
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| 72 | }; |
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| 73 | |
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| 74 | } // namespace Render |
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| 75 | } // namespace Qt3DRender |
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| 76 | |
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| 77 | QT_END_NAMESPACE |
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| 78 | |
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| 79 | #endif // QT3DRENDER_RENDER_BUFFER_H |
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| 80 | |
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