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| |
| #ifndef QOPENGLCOMPOSITOR_H |
| #define QOPENGLCOMPOSITOR_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt 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. |
| // |
| |
| #include <QtCore/QTimer> |
| #include <QtGui/QOpenGLTextureBlitter> |
| #include <QtGui/QMatrix4x4> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QOpenGLContext; |
| class QOpenGLFramebufferObject; |
| class QWindow; |
| class QPlatformTextureList; |
| |
| class QOpenGLCompositorWindow |
| { |
| public: |
| virtual ~QOpenGLCompositorWindow() { } |
| virtual QWindow *sourceWindow() const = 0; |
| virtual const QPlatformTextureList *textures() const = 0; |
| virtual void beginCompositing() { } |
| virtual void endCompositing() { } |
| }; |
| |
| class QOpenGLCompositor : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| static QOpenGLCompositor *instance(); |
| static void destroy(); |
| |
| void setTarget(QOpenGLContext *context, QWindow *window, const QRect &nativeTargetGeometry); |
| void setRotation(int degrees); |
| QOpenGLContext *context() const { return m_context; } |
| QWindow *targetWindow() const { return m_targetWindow; } |
| |
| void update(); |
| QImage grab(); |
| |
| QList<QOpenGLCompositorWindow *> windows() const { return m_windows; } |
| void addWindow(QOpenGLCompositorWindow *window); |
| void removeWindow(QOpenGLCompositorWindow *window); |
| void moveToTop(QOpenGLCompositorWindow *window); |
| void changeWindowIndex(QOpenGLCompositorWindow *window, int newIdx); |
| |
| signals: |
| void topWindowChanged(QOpenGLCompositorWindow *window); |
| |
| private slots: |
| void handleRenderAllRequest(); |
| |
| private: |
| QOpenGLCompositor(); |
| ~QOpenGLCompositor(); |
| |
| void renderAll(QOpenGLFramebufferObject *fbo); |
| void render(QOpenGLCompositorWindow *window); |
| |
| QOpenGLContext *m_context; |
| QWindow *m_targetWindow; |
| QRect m_nativeTargetGeometry; |
| int m_rotation; |
| QMatrix4x4 m_rotationMatrix; |
| QTimer m_updateTimer; |
| QOpenGLTextureBlitter m_blitter; |
| QList<QOpenGLCompositorWindow *> m_windows; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QOPENGLCOMPOSITOR_H |