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| 2 | ** |
| 3 | ** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). |
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| 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 |
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| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #ifndef QT3DRENDER_RENDER_SHADERBUILDER_H |
| 41 | #define QT3DRENDER_RENDER_SHADERBUILDER_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 for the convenience |
| 48 | // of other Qt classes. 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 <Qt3DRender/qshaderprogram.h> |
| 55 | #include <Qt3DRender/private/backendnode_p.h> |
| 56 | #include <Qt3DRender/private/qgraphicsapifilter_p.h> |
| 57 | |
| 58 | QT_BEGIN_NAMESPACE |
| 59 | |
| 60 | namespace Qt3DRender { |
| 61 | |
| 62 | namespace Render { |
| 63 | |
| 64 | struct ShaderBuilderUpdate |
| 65 | { |
| 66 | Qt3DCore::QNodeId builderId; |
| 67 | Qt3DRender::QShaderProgram::ShaderType shaderType; |
| 68 | QByteArray shaderCode; |
| 69 | }; |
| 70 | |
| 71 | class Q_3DRENDERSHARED_PRIVATE_EXPORT ShaderBuilder : public BackendNode |
| 72 | { |
| 73 | public: |
| 74 | static QString getPrototypesFile(); |
| 75 | static void setPrototypesFile(const QString &file); |
| 76 | static QStringList getPrototypeNames(); |
| 77 | |
| 78 | ShaderBuilder(); |
| 79 | ~ShaderBuilder(); |
| 80 | void cleanup(); |
| 81 | |
| 82 | Qt3DCore::QNodeId shaderProgramId() const; |
| 83 | QStringList enabledLayers() const; |
| 84 | |
| 85 | GraphicsApiFilterData graphicsApi() const; |
| 86 | void setGraphicsApi(const GraphicsApiFilterData &graphicsApi); |
| 87 | |
| 88 | QUrl shaderGraph(QShaderProgram::ShaderType type) const; |
| 89 | void setShaderGraph(QShaderProgram::ShaderType type, const QUrl &url); |
| 90 | |
| 91 | QByteArray shaderCode(QShaderProgram::ShaderType type) const; |
| 92 | bool isShaderCodeDirty(QShaderProgram::ShaderType type) const; |
| 93 | |
| 94 | void generateCode(QShaderProgram::ShaderType type); |
| 95 | |
| 96 | void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override; |
| 97 | |
| 98 | QVector<ShaderBuilderUpdate> takePendingUpdates() { return std::move(m_pendingUpdates); } |
| 99 | |
| 100 | QByteArray hashKeyForShaderGraph(QShaderProgram::ShaderType type) const; |
| 101 | |
| 102 | private: |
| 103 | void setEnabledLayers(const QStringList &layers); |
| 104 | |
| 105 | GraphicsApiFilterData m_graphicsApi; |
| 106 | Qt3DCore::QNodeId m_shaderProgramId; |
| 107 | QStringList m_enabledLayers; |
| 108 | QHash<QShaderProgram::ShaderType, QUrl> m_graphs; |
| 109 | QHash<QShaderProgram::ShaderType, QByteArray> m_codes; |
| 110 | QSet<QShaderProgram::ShaderType> m_dirtyTypes; |
| 111 | QVector<ShaderBuilderUpdate> m_pendingUpdates; |
| 112 | }; |
| 113 | |
| 114 | } // namespace Render |
| 115 | } // namespace Qt3DRender |
| 116 | |
| 117 | QT_END_NAMESPACE |
| 118 | |
| 119 | #endif // QT3DRENDER_RENDER_SHADERBUILDER_H |
| 120 |