diff options
Diffstat (limited to 'src/datavisualization/engine/abstract3drenderer.cpp')
| -rw-r--r-- | src/datavisualization/engine/abstract3drenderer.cpp | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/src/datavisualization/engine/abstract3drenderer.cpp b/src/datavisualization/engine/abstract3drenderer.cpp index c47e2b29..d7bad300 100644 --- a/src/datavisualization/engine/abstract3drenderer.cpp +++ b/src/datavisualization/engine/abstract3drenderer.cpp @@ -28,6 +28,8 @@ #include "scatter3drenderer_p.h" #include <QtCore/qmath.h> +#include <QtGui/QWindow> +#include <QtCore/QThread> QT_BEGIN_NAMESPACE_DATAVISUALIZATION @@ -101,7 +103,11 @@ Abstract3DRenderer::Abstract3DRenderer(Abstract3DController *controller) m_scaleZWithBackground(0.0f), m_oldCameraTarget(QVector3D(2000.0f, 2000.0f, 2000.0f)), // Just random invalid target m_reflectionEnabled(false), - m_reflectivity(0.5) + m_reflectivity(0.5), + m_context(0), + m_currentContextAtDelete(0), + m_currentSurfaceAtDelete(0), + m_dummySurfaceAtDelete(0) { QObject::connect(m_drawer, &Drawer::drawerChanged, this, &Abstract3DRenderer::updateTextures); QObject::connect(this, &Abstract3DRenderer::needRender, controller, @@ -151,10 +157,14 @@ Abstract3DRenderer::~Abstract3DRenderer() delete m_textureHelper; } + + restoreContextAfterDelete(); } void Abstract3DRenderer::initializeOpenGL() { + m_context = QOpenGLContext::currentContext(); + // Set OpenGL features glEnable(GL_DEPTH_TEST); glDepthFunc(GL_LESS); @@ -1772,6 +1782,36 @@ void Abstract3DRenderer::queriedGraphPosition(const QMatrix4x4 &projectionViewMa m_graphPositionQueryPending = false; } +void Abstract3DRenderer::fixContextBeforeDelete() +{ + m_currentContextAtDelete = QOpenGLContext::currentContext(); + if (m_currentContextAtDelete) + m_currentSurfaceAtDelete = m_currentContextAtDelete->surface(); + if (!m_context.isNull() && m_context.data() != m_currentContextAtDelete + && QThread::currentThread() == this->thread()) { + m_dummySurfaceAtDelete = new QWindow(); + m_dummySurfaceAtDelete->setSurfaceType(QWindow::OpenGLSurface); + m_dummySurfaceAtDelete->setFormat(m_context->format()); + m_dummySurfaceAtDelete->create(); + + m_context->makeCurrent(m_dummySurfaceAtDelete); + } +} + +void Abstract3DRenderer::restoreContextAfterDelete() +{ + if (m_currentContextAtDelete && m_currentSurfaceAtDelete + && m_context.data() != m_currentContextAtDelete) { + m_currentContextAtDelete->makeCurrent(m_currentSurfaceAtDelete); + } else if (m_dummySurfaceAtDelete) { + m_context->doneCurrent(); + } + delete m_dummySurfaceAtDelete; + m_currentContextAtDelete = 0; + m_currentSurfaceAtDelete = 0; + m_dummySurfaceAtDelete = 0; +} + void Abstract3DRenderer::calculatePolarXZ(const QVector3D &dataPos, float &x, float &z) const { // x is angular, z is radial |