| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Data Visualization module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
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| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the QtDataVisualization API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| |
| #ifndef ABSTRACT3DRENDERER_P_H |
| #define ABSTRACT3DRENDERER_P_H |
| |
| #include <QtGui/QOpenGLFunctions> |
| #if !defined(QT_OPENGL_ES_2) |
| # include <QtGui/QOpenGLFunctions_2_1> |
| #endif |
| #include "datavisualizationglobal_p.h" |
| #include "abstract3dcontroller_p.h" |
| #include "axisrendercache_p.h" |
| #include "seriesrendercache_p.h" |
| #include "customrenderitem_p.h" |
| |
| QT_FORWARD_DECLARE_CLASS(QOffscreenSurface) |
| |
| QT_BEGIN_NAMESPACE_DATAVISUALIZATION |
| |
| class TextureHelper; |
| class Theme; |
| class Drawer; |
| |
| class Abstract3DRenderer : public QObject, protected QOpenGLFunctions |
| { |
| Q_OBJECT |
| |
| protected: |
| enum SelectionState { |
| SelectNone = 0, |
| SelectOnScene, |
| SelectOnOverview, |
| SelectOnSlice |
| }; |
| |
| enum RenderingState { |
| RenderingNormal = 0, |
| RenderingSelection, |
| RenderingDepth |
| }; |
| |
| public: |
| virtual ~Abstract3DRenderer(); |
| |
| virtual void updateData() = 0; |
| virtual void updateSeries(const QList<QAbstract3DSeries *> &seriesList); |
| virtual void updateCustomData(const QList<QCustom3DItem *> &customItems); |
| virtual void updateCustomItems(); |
| virtual void updateCustomItemPositions(); |
| virtual SeriesRenderCache *createNewCache(QAbstract3DSeries *series); |
| virtual void cleanCache(SeriesRenderCache *cache); |
| virtual void render(GLuint defaultFboHandle); |
| |
| virtual void updateTheme(Q3DTheme *theme); |
| virtual void updateSelectionMode(QAbstract3DGraph::SelectionFlags newMode); |
| virtual void updateOptimizationHint(QAbstract3DGraph::OptimizationHints hint); |
| virtual void updateScene(Q3DScene *scene); |
| virtual void updateTextures(); |
| virtual void initSelectionBuffer() = 0; |
| virtual void updateSelectionState(SelectionState state); |
| |
| virtual void updateDepthBuffer() = 0; |
| virtual void updateShadowQuality(QAbstract3DGraph::ShadowQuality quality) = 0; |
| virtual void initShaders(const QString &vertexShader, const QString &fragmentShader) = 0; |
| virtual void initGradientShaders(const QString &vertexShader, const QString &fragmentShader); |
| virtual void initStaticSelectedItemShaders(const QString &vertexShader, |
| const QString &fragmentShader, |
| const QString &gradientVertexShader, |
| const QString &gradientFragmentShader); |
| virtual void initBackgroundShaders(const QString &vertexShader, |
| const QString &fragmentShader) = 0; |
| virtual void initCustomItemShaders(const QString &vertexShader, |
| const QString &fragmentShader); |
| virtual void initVolumeTextureShaders(const QString &vertexShader, |
| const QString &fragmentShader, |
| const QString &fragmentLowDefShader, |
| const QString &sliceShader, |
| const QString &sliceFrameVertexShader, |
| const QString &sliceFrameShader); |
| virtual void initLabelShaders(const QString &vertexShader, const QString &fragmentShader); |
| virtual void initCursorPositionShaders(const QString &vertexShader, |
| const QString &fragmentShader); |
| virtual void initCursorPositionBuffer(); |
| |
| virtual void updateAxisType(QAbstract3DAxis::AxisOrientation orientation, |
| QAbstract3DAxis::AxisType type); |
| virtual void updateAxisTitle(QAbstract3DAxis::AxisOrientation orientation, |
| const QString &title); |
| virtual void updateAxisLabels(QAbstract3DAxis::AxisOrientation orientation, |
| const QStringList &labels); |
| virtual void updateAxisRange(QAbstract3DAxis::AxisOrientation orientation, float min, |
| float max); |
| virtual void updateAxisSegmentCount(QAbstract3DAxis::AxisOrientation orientation, int count); |
| virtual void updateAxisSubSegmentCount(QAbstract3DAxis::AxisOrientation orientation, |
| int count); |
| virtual void updateAxisLabelFormat(QAbstract3DAxis::AxisOrientation orientation, |
| const QString &format); |
| virtual void updateAxisReversed(QAbstract3DAxis::AxisOrientation orientation, |
| bool enable); |
| virtual void updateAxisFormatter(QAbstract3DAxis::AxisOrientation orientation, |
| QValue3DAxisFormatter *formatter); |
| virtual void updateAxisLabelAutoRotation(QAbstract3DAxis::AxisOrientation orientation, |
| float angle); |
| virtual void updateAxisTitleVisibility(QAbstract3DAxis::AxisOrientation orientation, |
| bool visible); |
| virtual void updateAxisTitleFixed(QAbstract3DAxis::AxisOrientation orientation, |
| bool fixed); |
| virtual void modifiedSeriesList(const QVector<QAbstract3DSeries *> &seriesList); |
| |
| virtual void fixMeshFileName(QString &fileName, QAbstract3DSeries::Mesh mesh); |
| |
| virtual CustomRenderItem *addCustomItem(QCustom3DItem *item); |
| virtual void updateCustomItem(CustomRenderItem *renderItem); |
| |
| virtual void updateAspectRatio(float ratio); |
| virtual void updateHorizontalAspectRatio(float ratio); |
| virtual void updatePolar(bool enable); |
| virtual void updateRadialLabelOffset(float offset); |
| virtual void updateMargin(float margin); |
| |
| virtual QVector3D convertPositionToTranslation(const QVector3D &position, |
| bool isAbsolute) = 0; |
| |
| void generateBaseColorTexture(const QColor &color, GLuint *texture); |
| void fixGradientAndGenerateTexture(QLinearGradient *gradient, GLuint *gradientTexture); |
| |
| inline bool isClickQueryResolved() const { return m_clickResolved; } |
| inline void clearClickQueryResolved() { m_clickResolved = false; } |
| inline QPoint cachedClickQuery() const { return m_cachedScene->selectionQueryPosition(); } |
| inline QAbstract3DSeries *clickedSeries() const { return m_clickedSeries; } |
| inline QAbstract3DGraph::ElementType clickedType() { return m_clickedType; } |
| inline bool isGraphPositionQueryResolved() const { return m_graphPositionQueryResolved; } |
| inline void clearGraphPositionQueryResolved() { m_graphPositionQueryResolved = false; } |
| inline QVector3D queriedGraphPosition() const { return m_queriedGraphPosition; } |
| inline QPoint cachedGraphPositionQuery() const { return m_cachedScene->graphPositionQuery(); } |
| |
| LabelItem &selectionLabelItem(); |
| void setSelectionLabel(const QString &label); |
| QString &selectionLabel(); |
| |
| void drawCustomItems(RenderingState state, ShaderHelper *regularShader, |
| const QMatrix4x4 &viewMatrix, |
| const QMatrix4x4 &projectionViewMatrix, |
| const QMatrix4x4 &depthProjectionViewMatrix, |
| GLuint depthTexture, GLfloat shadowQuality, GLfloat reflection = 1.0f); |
| |
| QVector4D indexToSelectionColor(GLint index); |
| void calculatePolarXZ(const QVector3D &dataPos, float &x, float &z) const; |
| |
| Q_SIGNALS: |
| void needRender(); // Emit this if something in renderer causes need for another render pass. |
| void requestShadowQuality(QAbstract3DGraph::ShadowQuality quality); // For automatic quality adjustments |
| |
| protected: |
| Abstract3DRenderer(Abstract3DController *controller); |
| |
| virtual void contextCleanup(); |
| virtual void initializeOpenGL(); |
| |
| void reInitShaders(); |
| virtual void handleShadowQualityChange(); |
| virtual void handleResize(); |
| |
| AxisRenderCache &axisCacheForOrientation(QAbstract3DAxis::AxisOrientation orientation); |
| |
| virtual void lowerShadowQuality(); |
| |
| void fixGradient(QLinearGradient *gradient, GLuint *gradientTexture); |
| |
| void calculateZoomLevel(); |
| void drawAxisTitleY(const QVector3D &sideLabelRotation, const QVector3D &backLabelRotation, |
| const QVector3D &sideLabelTrans, const QVector3D &backLabelTrans, |
| const QQuaternion &totalSideRotation, const QQuaternion &totalBackRotation, |
| AbstractRenderItem &dummyItem, const Q3DCamera *activeCamera, |
| float labelsMaxWidth, |
| const QMatrix4x4 &viewMatrix, const QMatrix4x4 &projectionMatrix, |
| ShaderHelper *shader); |
| void drawAxisTitleX(const QVector3D &labelRotation, const QVector3D &labelTrans, |
| const QQuaternion &totalRotation, AbstractRenderItem &dummyItem, |
| const Q3DCamera *activeCamera, float labelsMaxWidth, |
| const QMatrix4x4 &viewMatrix, const QMatrix4x4 &projectionMatrix, |
| ShaderHelper *shader, bool radial = false); |
| void drawAxisTitleZ(const QVector3D &labelRotation, const QVector3D &labelTrans, |
| const QQuaternion &totalRotation, AbstractRenderItem &dummyItem, |
| const Q3DCamera *activeCamera, float labelsMaxWidth, |
| const QMatrix4x4 &viewMatrix, const QMatrix4x4 &projectionMatrix, |
| ShaderHelper *shader); |
| |
| void loadGridLineMesh(); |
| void loadLabelMesh(); |
| void loadPositionMapperMesh(); |
| |
| void drawRadialGrid(ShaderHelper *shader, float yFloorLinePos, |
| const QMatrix4x4 &projectionViewMatrix, const QMatrix4x4 &depthMatrix); |
| void drawAngularGrid(ShaderHelper *shader, float yFloorLinePos, |
| const QMatrix4x4 &projectionViewMatrix, const QMatrix4x4 &depthMatrix); |
| |
| float calculatePolarBackgroundMargin(); |
| virtual void fixCameraTarget(QVector3D &target) = 0; |
| void updateCameraViewport(); |
| |
| void recalculateCustomItemScalingAndPos(CustomRenderItem *item); |
| virtual void getVisibleItemBounds(QVector3D &minBounds, QVector3D &maxBounds) = 0; |
| void drawVolumeSliceFrame(const CustomRenderItem *item, Qt::Axis axis, |
| const QMatrix4x4 &projectionViewMatrix); |
| void queriedGraphPosition(const QMatrix4x4 &projectionViewMatrix, const QVector3D &scaling, |
| GLuint defaultFboHandle); |
| |
| bool m_hasNegativeValues; |
| Q3DTheme *m_cachedTheme; |
| Drawer *m_drawer; |
| QRect m_viewport; |
| QAbstract3DGraph::ShadowQuality m_cachedShadowQuality; |
| GLfloat m_autoScaleAdjustment; |
| |
| QAbstract3DGraph::SelectionFlags m_cachedSelectionMode; |
| QAbstract3DGraph::OptimizationHints m_cachedOptimizationHint; |
| |
| AxisRenderCache m_axisCacheX; |
| AxisRenderCache m_axisCacheY; |
| AxisRenderCache m_axisCacheZ; |
| TextureHelper *m_textureHelper; |
| GLuint m_depthTexture; |
| |
| Q3DScene *m_cachedScene; |
| bool m_selectionDirty; |
| SelectionState m_selectionState; |
| QPoint m_inputPosition; |
| QHash<QAbstract3DSeries *, SeriesRenderCache *> m_renderCacheList; |
| CustomRenderItemArray m_customRenderCache; |
| QList<QCustom3DItem *> m_customItemDrawOrder; |
| QRect m_primarySubViewport; |
| QRect m_secondarySubViewport; |
| float m_devicePixelRatio; |
| bool m_selectionLabelDirty; |
| bool m_clickResolved; |
| bool m_graphPositionQueryPending; |
| bool m_graphPositionQueryResolved; |
| QAbstract3DSeries *m_clickedSeries; |
| QAbstract3DGraph::ElementType m_clickedType; |
| int m_selectedLabelIndex; |
| int m_selectedCustomItemIndex; |
| QVector3D m_queriedGraphPosition; |
| QPoint m_graphPositionQuery; |
| |
| QString m_selectionLabel; |
| LabelItem *m_selectionLabelItem; |
| int m_visibleSeriesCount; |
| |
| ShaderHelper *m_customItemShader; |
| ShaderHelper *m_volumeTextureShader; |
| ShaderHelper *m_volumeTextureLowDefShader; |
| ShaderHelper *m_volumeTextureSliceShader; |
| ShaderHelper *m_volumeSliceFrameShader; |
| ShaderHelper *m_labelShader; |
| ShaderHelper *m_cursorPositionShader; |
| GLuint m_cursorPositionFrameBuffer; |
| GLuint m_cursorPositionTexture; |
| |
| bool m_useOrthoProjection; |
| bool m_xFlipped; |
| bool m_yFlipped; |
| bool m_zFlipped; |
| bool m_yFlippedForGrid; |
| |
| ObjectHelper *m_backgroundObj; // Shared reference |
| ObjectHelper *m_gridLineObj; // Shared reference |
| ObjectHelper *m_labelObj; // Shared reference |
| ObjectHelper *m_positionMapperObj; // Shared reference |
| |
| float m_graphAspectRatio; |
| float m_graphHorizontalAspectRatio; |
| bool m_polarGraph; |
| float m_radialLabelOffset; |
| float m_polarRadius; |
| |
| QQuaternion m_xRightAngleRotation; |
| QQuaternion m_yRightAngleRotation; |
| QQuaternion m_zRightAngleRotation; |
| QQuaternion m_xRightAngleRotationNeg; |
| QQuaternion m_yRightAngleRotationNeg; |
| QQuaternion m_zRightAngleRotationNeg; |
| QQuaternion m_xFlipRotation; |
| QQuaternion m_zFlipRotation; |
| |
| float m_requestedMargin; |
| float m_vBackgroundMargin; |
| float m_hBackgroundMargin; |
| float m_scaleXWithBackground; |
| float m_scaleYWithBackground; |
| float m_scaleZWithBackground; |
| |
| QVector3D m_oldCameraTarget; |
| |
| bool m_reflectionEnabled; |
| qreal m_reflectivity; |
| |
| QLocale m_locale; |
| #if !defined(QT_OPENGL_ES_2) |
| QOpenGLFunctions_2_1 *m_funcs_2_1; // Not owned |
| #endif |
| QPointer<QOpenGLContext> m_context; // Not owned |
| bool m_isOpenGLES; |
| |
| private: |
| friend class Abstract3DController; |
| }; |
| |
| QT_END_NAMESPACE_DATAVISUALIZATION |
| |
| #endif |
