| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
| 3 | |
| 4 | // W A R N I N G |
| 5 | // ------------- |
| 6 | // |
| 7 | // This file is not part of the Qt Chart API. It exists purely as an |
| 8 | // implementation detail. This header file may change from version to |
| 9 | // version without notice, or even be removed. |
| 10 | // |
| 11 | // We mean it. |
| 12 | |
| 13 | #ifndef DECLARATIVEOPENGLRENDERNODE_P_H |
| 14 | #define DECLARATIVEOPENGLRENDERNODE_P_H |
| 15 | |
| 16 | #include <private/declarativeabstractrendernode_p.h> |
| 17 | |
| 18 | #include <QtCharts/QChartGlobal> |
| 19 | #include <private/glxyseriesdata_p.h> |
| 20 | #include <QtQuick/QSGImageNode> |
| 21 | #include <QtQuick/QQuickWindow> |
| 22 | #include <QtOpenGL/QOpenGLShaderProgram> |
| 23 | #include <QtOpenGL/QOpenGLVertexArrayObject> |
| 24 | #include <QtGui/QOpenGLFunctions> |
| 25 | #include <QtOpenGL/QOpenGLFramebufferObject> |
| 26 | #include <QtOpenGL/QOpenGLBuffer> |
| 27 | |
| 28 | QT_BEGIN_NAMESPACE |
| 29 | |
| 30 | class DeclarativeOpenGLRenderNode : public QObject, public DeclarativeAbstractRenderNode, QOpenGLFunctions |
| 31 | { |
| 32 | Q_OBJECT |
| 33 | public: |
| 34 | DeclarativeOpenGLRenderNode(QQuickWindow *window); |
| 35 | ~DeclarativeOpenGLRenderNode(); |
| 36 | |
| 37 | void initGL(); |
| 38 | QSize textureSize() const override { return m_textureSize; } |
| 39 | void setTextureSize(const QSize &size) override; |
| 40 | |
| 41 | void setSeriesData(bool mapDirty, const GLXYDataMap &dataMap) override; |
| 42 | void setRect(const QRectF &rect) override; |
| 43 | void setAntialiasing(bool enable) override; |
| 44 | void addMouseEvents(const QList<QMouseEvent *> &events) override; |
| 45 | void takeMouseEventResponses(QList<MouseEventResponse> &responses) override; |
| 46 | |
| 47 | public Q_SLOTS: |
| 48 | void render(); |
| 49 | |
| 50 | private: |
| 51 | void renderGL(bool selection); |
| 52 | void renderSelection(); |
| 53 | void renderVisual(); |
| 54 | void recreateFBO(); |
| 55 | void cleanXYSeriesResources(const QXYSeries *series); |
| 56 | void handleMouseEvents(); |
| 57 | const QXYSeries *findSeriesAtEvent(QMouseEvent *event); |
| 58 | |
| 59 | QSGTexture *m_texture; |
| 60 | QSGImageNode *m_imageNode; |
| 61 | QQuickWindow *m_window; |
| 62 | QQuickWindow::CreateTextureOptions m_textureOptions; |
| 63 | QSize m_textureSize; |
| 64 | bool m_recreateFbo; |
| 65 | GLXYDataMap m_xyDataMap; |
| 66 | QOpenGLFramebufferObject *m_fbo; |
| 67 | QOpenGLFramebufferObject *m_resolvedFbo; |
| 68 | QOpenGLFramebufferObject *m_selectionFbo; |
| 69 | QOpenGLShaderProgram *m_program; |
| 70 | int m_shaderAttribLoc; |
| 71 | int m_colorUniformLoc; |
| 72 | int m_minUniformLoc; |
| 73 | int m_deltaUniformLoc; |
| 74 | int m_pointSizeUniformLoc; |
| 75 | int m_matrixUniformLoc; |
| 76 | QOpenGLVertexArrayObject m_vao; |
| 77 | QHash<const QAbstractSeries *, QOpenGLBuffer *> m_seriesBufferMap; |
| 78 | bool m_renderNeeded; |
| 79 | QRectF m_rect; |
| 80 | bool m_antialiasing; |
| 81 | QList<QMouseEvent *> m_mouseEvents; |
| 82 | QList<MouseEventResponse> m_mouseEventResponses; |
| 83 | bool m_selectionRenderNeeded; |
| 84 | QList<const QXYSeries *> m_selectionList; |
| 85 | QPoint m_mousePressPos; |
| 86 | bool m_mousePressed; |
| 87 | const QXYSeries *m_lastPressSeries; |
| 88 | const QXYSeries *m_lastHoverSeries; |
| 89 | }; |
| 90 | |
| 91 | QT_END_NAMESPACE |
| 92 | |
| 93 | #endif // DECLARATIVEOPENGLRENDERNODE_P_H |
| 94 |