diff options
Diffstat (limited to 'src/quick3d/imports/scene3d/scene3drenderer.cpp')
| -rw-r--r-- | src/quick3d/imports/scene3d/scene3drenderer.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/quick3d/imports/scene3d/scene3drenderer.cpp b/src/quick3d/imports/scene3d/scene3drenderer.cpp index 1e322a615..fafeeedf4 100644 --- a/src/quick3d/imports/scene3d/scene3drenderer.cpp +++ b/src/quick3d/imports/scene3d/scene3drenderer.cpp @@ -161,6 +161,7 @@ Scene3DRenderer::Scene3DRenderer(Scene3DItem *item, Qt3DCore::QAspectEngine *asp , m_forceRecreate(false) , m_shouldRender(false) , m_dirtyViews(false) + , m_skipFrame(false) , m_allowRendering(0) , m_compositingMode(Scene3DItem::FBO) { @@ -278,6 +279,19 @@ void Scene3DRenderer::beforeSynchronize() // We could otherwise enter a deadlock state if (!m_allowRendering.tryAcquire(std::max(m_allowRendering.available(), 1))) return; + + // In the case of OnDemand rendering, we still need to get to this + // point to ensure we have processed jobs for all aspects. + // We also still need to call render() to allow proceeding with the + // next frame. However it won't be performing any 3d rendering at all + // so we do it here and return early. This prevents a costly QtQuick + // SceneGraph update for nothing + if (m_skipFrame) { + m_skipFrame = false; + static_cast<QRenderAspectPrivate*>(QRenderAspectPrivate::get(m_renderAspect))->renderSynchronous(false); + return; + } + m_shouldRender = true; // Check size / multisampling @@ -360,6 +374,11 @@ void Scene3DRenderer::setCompositingMode(Scene3DItem::CompositingMode mode) m_compositingMode = mode; } +void Scene3DRenderer::setSkipFrame(bool skip) +{ + m_skipFrame = skip; +} + // Main Thread, Render Thread locked void Scene3DRenderer::setScene3DViews(const QVector<Scene3DView *> views) { |