diff options
Diffstat (limited to 'src/render/backend/renderer.cpp')
| -rw-r--r-- | src/render/backend/renderer.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/render/backend/renderer.cpp b/src/render/backend/renderer.cpp index e1b1ee873..191e70392 100644 --- a/src/render/backend/renderer.cpp +++ b/src/render/backend/renderer.cpp @@ -153,6 +153,7 @@ Renderer::Renderer(QRenderAspect::RenderType type) , m_waitForInitializationToBeCompleted(0) , m_pickEventFilter(new PickEventFilter()) , m_exposed(0) + , m_shareContext(nullptr) , m_changeSet(0) , m_lastFrameCorrect(0) , m_glContext(nullptr) @@ -261,6 +262,17 @@ NodeManagers *Renderer::nodeManagers() const return m_nodesManager; } +/*! + \internal + + Return context which can be used to share resources safely + with qt3d main render context. +*/ +QOpenGLContext *Renderer::shareContext() const +{ + return m_shareContext ? m_shareContext : m_graphicsContext->openGLContext(); +} + void Renderer::setOpenGLContext(QOpenGLContext *context) { m_glContext = context; @@ -302,6 +314,10 @@ void Renderer::initialize() // Context is not owned by us, so we need to know if it gets destroyed m_contextConnection = QObject::connect(m_glContext, &QOpenGLContext::aboutToBeDestroyed, [this] { releaseGraphicsResources(); }); + m_shareContext = new QOpenGLContext; + m_shareContext->setFormat(m_glContext->format()); + m_shareContext->setShareContext(m_glContext); + m_shareContext->create(); } // Note: we don't have a surface at this point @@ -400,6 +416,8 @@ void Renderer::releaseGraphicsResources() if (m_ownedContext) delete context; + if (m_shareContext) + delete m_shareContext; m_graphicsContext.reset(nullptr); qCDebug(Backend) << Q_FUNC_INFO << "Renderer properly shutdown"; |