Method OnContextDestroy

libs/drape_frontend/frontend_renderer.cpp:2269–2318

}

void FrontendRenderer::OnContextDestroy()
{
  LOG(LINFO, ("On context destroy."));

  if (m_renderInjectionHandler)
    m_renderInjectionHandler(m_context, m_texMng, make_ref(m_gpuProgramManager), true);

  // Clear all graphics.
  for (RenderLayer & layer : m_layers)
  {
    layer.m_renderGroups.clear();
    layer.m_isDirty = false;
  }

  m_selectObjectMessage.reset();
  m_overlayTree->SetSelectedFeature(FeatureID());
  m_overlayTree->SetDebugRectRenderer(nullptr);
  m_overlayTree->Clear();

  m_guiRenderer.reset();
  m_selectionShape.reset();
  m_buildingsFramebuffer.reset();
  m_screenQuadRenderer.reset();

  m_myPositionController->ResetRenderShape();
  m_routeRenderer->ClearContextDependentResources();
  m_gpsTrackRenderer->ClearRenderData();
  m_trafficRenderer->ClearContextDependentResources();
  m_drapeApiRenderer->Clear();
  m_postprocessRenderer->ClearContextDependentResources();
  m_transitSchemeRenderer->ClearContextDependentResources(nullptr /* overlayTree */);

  m_transitBackground.reset();
  m_debugRectRenderer.reset();

  CHECK(m_context != nullptr, ());
  m_gpuProgramManager->Destroy(m_context);
  m_gpuProgramManager.reset();

  // Here we have to erase weak pointer to the context, since it
  // can be destroyed after this method.
  m_context->DoneCurrent();
  m_context = nullptr;

  m_needRestoreSize = true;
  m_firstTilesReady = false;
  m_firstLaunchAnimationInterrupted = false;

  m_finishTexturesInitialization = false;
}

void FrontendRenderer::OnContextCreate()
{