bool DrapeEngine::GetMyPosition(m2::PointD & myPosition)
{
bool hasPosition = false;
BaseBlockingMessage::Blocker blocker;
m_threadCommutator->PostMessage(ThreadsCommutator::RenderThread,
make_unique_dp<GetMyPositionMessage>(blocker, hasPosition, myPosition),
MessagePriority::High);
blocker.Wait();
return hasPosition;
}
FeatureID DrapeEngine::GetVisiblePOI(m2::PointD const & glbPoint)
{
FeatureID result;
BaseBlockingMessage::Blocker blocker;
m_threadCommutator->PostMessage(ThreadsCommutator::RenderThread,
make_unique_dp<FindVisiblePOIMessage>(blocker, glbPoint, result),
MessagePriority::High);
blocker.Wait();
return result;
}
SelectionShape::ESelectedObject DrapeEngine::GetSelectedObject()
{
SelectionShape::ESelectedObject object;
BaseBlockingMessage::Blocker blocker;
m_threadCommutator->PostMessage(ThreadsCommutator::RenderThread,
make_unique_dp<GetSelectedObjectMessage>(blocker, object),
MessagePriority::High);
blocker.Wait();
return object;
}
void FrontendRenderer::AcceptMessage(ref_ptr<Message> message)
{
switch (message->GetType())
{
case Message::FlushTile:
{
ref_ptr<FlushRenderBucketMessage> msg = message;
dp::GLState const & state = msg->GetState();
TileKey const & key = msg->GetKey();
drape_ptr<dp::RenderBucket> bucket = msg->AcceptBuffer();
ref_ptr<dp::GpuProgram> program = m_gpuProgramManager->GetProgram(state.GetProgramIndex());
ref_ptr<dp::GpuProgram> program3d = m_gpuProgramManager->GetProgram(state.GetProgram3dIndex());
bool const isPerspective = m_userEventStream.GetCurrentScreen().isPerspective();
if (isPerspective)
program3d->Bind();
else
program->Bind();
bucket->GetBuffer()->Build(isPerspective ? program3d : program);
if (!IsUserMarkLayer(key))
{
if (CheckTileGenerations(key))
m_tileTree->ProcessTile(key, GetCurrentZoomLevelForData(), state, move(bucket));
}
else
{
m_userMarkRenderGroups.emplace_back(make_unique_dp<UserMarkRenderGroup>(state, key, move(bucket)));
m_userMarkRenderGroups.back()->SetRenderParams(program, program3d, make_ref(&m_generalUniforms));
}
break;
}
case Message::FinishReading:
{
ref_ptr<FinishReadingMessage> msg = message;
for (auto const & tileKey : msg->GetTiles())
CheckTileGenerations(tileKey);
m_tileTree->FinishTiles(msg->GetTiles(), GetCurrentZoomLevelForData());
break;
}
case Message::InvalidateRect:
{
ref_ptr<InvalidateRectMessage> m = message;
TTilesCollection tiles;
ScreenBase screen = m_userEventStream.GetCurrentScreen();
m2::RectD rect = m->GetRect();
if (rect.Intersect(screen.ClipRect()))
{
m_tileTree->Invalidate();
ResolveTileKeys(rect, tiles);
auto eraseFunction = [&tiles](vector<drape_ptr<RenderGroup>> & groups)
{
vector<drape_ptr<RenderGroup> > newGroups;
for (drape_ptr<RenderGroup> & group : groups)
{
if (tiles.find(group->GetTileKey()) == tiles.end())
newGroups.push_back(move(group));
}
swap(groups, newGroups);
};
eraseFunction(m_renderGroups);
eraseFunction(m_deferredRenderGroups);
BaseBlockingMessage::Blocker blocker;
m_commutator->PostMessage(ThreadsCommutator::ResourceUploadThread,
make_unique_dp<InvalidateReadManagerRectMessage>(blocker, tiles),
MessagePriority::High);
blocker.Wait();
m_requestedTiles->Set(screen, m_isIsometry || screen.isPerspective(), move(tiles));
m_commutator->PostMessage(ThreadsCommutator::ResourceUploadThread,
make_unique_dp<UpdateReadManagerMessage>(),
MessagePriority::UberHighSingleton);
}
break;
}
case Message::ClearUserMarkLayer:
{
TileKey const & tileKey = ref_ptr<ClearUserMarkLayerMessage>(message)->GetKey();
auto const functor = [&tileKey](drape_ptr<UserMarkRenderGroup> const & g)
{
return g->GetTileKey() == tileKey;
};
auto const iter = remove_if(m_userMarkRenderGroups.begin(),
m_userMarkRenderGroups.end(),
functor);
m_userMarkRenderGroups.erase(iter, m_userMarkRenderGroups.end());
break;
}
case Message::ChangeUserMarkLayerVisibility:
{
ref_ptr<ChangeUserMarkLayerVisibilityMessage> m = message;
TileKey const & key = m->GetKey();
if (m->IsVisible())
m_userMarkVisibility.insert(key);
else
m_userMarkVisibility.erase(key);
break;
}
case Message::GuiLayerRecached:
{
ref_ptr<GuiLayerRecachedMessage> msg = message;
drape_ptr<gui::LayerRenderer> renderer = move(msg->AcceptRenderer());
renderer->Build(make_ref(m_gpuProgramManager));
if (m_guiRenderer == nullptr)
m_guiRenderer = move(renderer);
else
m_guiRenderer->Merge(make_ref(renderer));
break;
}
case Message::GuiLayerLayout:
{
ASSERT(m_guiRenderer != nullptr, ());
m_guiRenderer->SetLayout(ref_ptr<GuiLayerLayoutMessage>(message)->GetLayoutInfo());
break;
}
case Message::StopRendering:
{
ProcessStopRenderingMessage();
break;
}
case Message::MyPositionShape:
{
ref_ptr<MyPositionShapeMessage> msg = message;
m_myPositionController->SetRenderShape(msg->AcceptShape());
m_selectionShape = msg->AcceptSelection();
}
break;
case Message::ChangeMyPostitionMode:
{
ref_ptr<ChangeMyPositionModeMessage> msg = message;
switch (msg->GetChangeType())
{
case ChangeMyPositionModeMessage::TYPE_NEXT:
m_myPositionController->NextMode(msg->GetPreferredZoomLevel());
break;
case ChangeMyPositionModeMessage::TYPE_STOP_FOLLOW:
m_myPositionController->StopLocationFollow();
break;
case ChangeMyPositionModeMessage::TYPE_INVALIDATE:
m_myPositionController->Invalidate();
break;
case ChangeMyPositionModeMessage::TYPE_CANCEL:
m_myPositionController->TurnOff();
break;
default:
ASSERT(false, ("Unknown change type:", static_cast<int>(msg->GetChangeType())));
break;
}
break;
}
case Message::CompassInfo:
{
ref_ptr<CompassInfoMessage> msg = message;
m_myPositionController->OnCompassUpdate(msg->GetInfo(), m_userEventStream.GetCurrentScreen());
break;
}
case Message::GpsInfo:
{
ref_ptr<GpsInfoMessage> msg = message;
m_myPositionController->OnLocationUpdate(msg->GetInfo(), msg->IsNavigable(),
m_userEventStream.GetCurrentScreen());
location::RouteMatchingInfo const & info = msg->GetRouteInfo();
if (info.HasDistanceFromBegin())
m_routeRenderer->UpdateDistanceFromBegin(info.GetDistanceFromBegin());
break;
}
case Message::FindVisiblePOI:
{
ref_ptr<FindVisiblePOIMessage> msg = message;
ScreenBase const & screen = m_userEventStream.GetCurrentScreen();
msg->SetFeatureID(GetVisiblePOI(screen.isPerspective() ? screen.PtoP3d(screen.GtoP(msg->GetPoint()))
: screen.GtoP(msg->GetPoint())));
break;
}
case Message::SelectObject:
{
ref_ptr<SelectObjectMessage> msg = message;
if (m_selectionShape == nullptr)
break;
if (msg->IsDismiss())
{
m_selectionShape->Hide();
}
else
{
double offsetZ = 0.0;
if (m_userEventStream.GetCurrentScreen().isPerspective())
{
dp::OverlayTree::TSelectResult selectResult;
m_overlayTree->Select(msg->GetPosition(), selectResult);
for (ref_ptr<dp::OverlayHandle> handle : selectResult)
offsetZ = max(offsetZ, handle->GetPivotZ());
}
m_selectionShape->Show(msg->GetSelectedObject(), msg->GetPosition(), offsetZ, msg->IsAnim());
}
break;
}
case Message::GetSelectedObject:
{
ref_ptr<GetSelectedObjectMessage> msg = message;
if (m_selectionShape != nullptr)
msg->SetSelectedObject(m_selectionShape->GetSelectedObject());
else
msg->SetSelectedObject(SelectionShape::OBJECT_EMPTY);
break;
}
case Message::GetMyPosition:
{
ref_ptr<GetMyPositionMessage> msg = message;
msg->SetMyPosition(m_myPositionController->IsModeHasPosition(), m_myPositionController->Position());
break;
}
case Message::FlushRoute:
{
ref_ptr<FlushRouteMessage> msg = message;
drape_ptr<RouteData> routeData = msg->AcceptRouteData();
m2::PointD const startPoint = routeData->m_sourcePolyline.Front();
m2::PointD const finishPoint = routeData->m_sourcePolyline.Back();
m_routeRenderer->SetRouteData(move(routeData), make_ref(m_gpuProgramManager));
if (!m_routeRenderer->GetStartPoint())
{
m_commutator->PostMessage(ThreadsCommutator::ResourceUploadThread,
make_unique_dp<CacheRouteSignMessage>(startPoint, true /* isStart */,
true /* isValid */),
MessagePriority::High);
}
if (!m_routeRenderer->GetFinishPoint())
{
m_commutator->PostMessage(ThreadsCommutator::ResourceUploadThread,
make_unique_dp<CacheRouteSignMessage>(finishPoint, false /* isStart */,
true /* isValid */),
MessagePriority::High);
}
m_myPositionController->ActivateRouting();
break;
}
case Message::FlushRouteSign:
{
ref_ptr<FlushRouteSignMessage> msg = message;
drape_ptr<RouteSignData> routeSignData = msg->AcceptRouteSignData();
m_routeRenderer->SetRouteSign(move(routeSignData), make_ref(m_gpuProgramManager));
break;
}
case Message::RemoveRoute:
{
ref_ptr<RemoveRouteMessage> msg = message;
m_routeRenderer->Clear();
if (msg->NeedDeactivateFollowing())
{
m_myPositionController->DeactivateRouting();
m_overlayTree->SetFollowingMode(false);
if (m_enablePerspectiveInNavigation)
DisablePerspective();
}
break;
}
case Message::FollowRoute:
{
ref_ptr<FollowRouteMessage> const msg = message;
m_myPositionController->NextMode(!m_enablePerspectiveInNavigation ? msg->GetPreferredZoomLevel()
: msg->GetPreferredZoomLevelIn3d());
m_overlayTree->SetFollowingMode(true);
if (m_enablePerspectiveInNavigation)
{
bool immediatelyStart = !m_myPositionController->IsRotationActive();
AddUserEvent(EnablePerspectiveEvent(msg->GetRotationAngle(), msg->GetAngleFOV(),
true /* animated */, immediatelyStart));
}
break;
}
case Message::DeactivateRouteFollowing:
{
m_myPositionController->DeactivateRouting();
m_overlayTree->SetFollowingMode(false);
if (m_enablePerspectiveInNavigation)
DisablePerspective();
break;
}
case Message::UpdateMapStyle:
{
// Clear tile tree.
m_tileTree->Invalidate();
// Get new tiles.
TTilesCollection tiles;
ScreenBase screen = m_userEventStream.GetCurrentScreen();
ResolveTileKeys(screen.ClipRect(), tiles);
// Clear all graphics.
m_renderGroups.clear();
m_deferredRenderGroups.clear();
// Invalidate read manager.
{
BaseBlockingMessage::Blocker blocker;
m_commutator->PostMessage(ThreadsCommutator::ResourceUploadThread,
make_unique_dp<InvalidateReadManagerRectMessage>(blocker, tiles),
MessagePriority::High);
blocker.Wait();
}
// Invalidate textures and wait for completion.
{
BaseBlockingMessage::Blocker blocker;
m_commutator->PostMessage(ThreadsCommutator::ResourceUploadThread,
make_unique_dp<InvalidateTexturesMessage>(blocker),
MessagePriority::High);
blocker.Wait();
}
// Invalidate route.
if (m_routeRenderer->GetStartPoint())
{
m2::PointD const & position = m_routeRenderer->GetStartPoint()->m_position;
m_commutator->PostMessage(ThreadsCommutator::ResourceUploadThread,
make_unique_dp<CacheRouteSignMessage>(position, true /* isStart */,
true /* isValid */),
MessagePriority::High);
}
if (m_routeRenderer->GetFinishPoint())
{
m2::PointD const & position = m_routeRenderer->GetFinishPoint()->m_position;
m_commutator->PostMessage(ThreadsCommutator::ResourceUploadThread,
make_unique_dp<CacheRouteSignMessage>(position, false /* isStart */,
true /* isValid */),
MessagePriority::High);
}
auto const & routeData = m_routeRenderer->GetRouteData();
if (routeData != nullptr)
{
auto recacheRouteMsg = make_unique_dp<AddRouteMessage>(routeData->m_sourcePolyline,
routeData->m_sourceTurns,
routeData->m_color);
m_routeRenderer->Clear(true /* keepDistanceFromBegin */);
m_commutator->PostMessage(ThreadsCommutator::ResourceUploadThread, move(recacheRouteMsg),
MessagePriority::Normal);
}
// Request new tiles.
m_requestedTiles->Set(screen, m_isIsometry || screen.isPerspective(), move(tiles));
m_commutator->PostMessage(ThreadsCommutator::ResourceUploadThread,
make_unique_dp<UpdateReadManagerMessage>(),
MessagePriority::UberHighSingleton);
break;
}
case Message::EnablePerspective:
{
ref_ptr<EnablePerspectiveMessage> const msg = message;
AddUserEvent(EnablePerspectiveEvent(msg->GetRotationAngle(), msg->GetAngleFOV(),
false /* animated */, true /* immediately start */));
break;
}
case Message::Allow3dMode:
{
ref_ptr<Allow3dModeMessage> const msg = message;
bool const isPerspective = m_userEventStream.GetCurrentScreen().isPerspective();
#ifdef OMIM_OS_DESKTOP
if (m_enablePerspectiveInNavigation == msg->AllowPerspective() &&
m_enablePerspectiveInNavigation != isPerspective)
{
if (m_enablePerspectiveInNavigation)
AddUserEvent(EnablePerspectiveEvent(msg->GetRotationAngle(), msg->GetAngleFOV(),
false /* animated */, true /* immediately start */));
else
AddUserEvent(DisablePerspectiveEvent());
}
#endif
m_enablePerspectiveInNavigation = msg->AllowPerspective();
m_enable3dBuildings = msg->Allow3dBuildings();
if (m_myPositionController->IsInRouting())
{
if (m_enablePerspectiveInNavigation && !isPerspective && !m_perspectiveDiscarded)
{
AddUserEvent(EnablePerspectiveEvent(msg->GetRotationAngle(), msg->GetAngleFOV(),
true /* animated */, true /* immediately start */));
}
else if (!m_enablePerspectiveInNavigation && (isPerspective || m_perspectiveDiscarded))
{
DisablePerspective();
}
}
break;
}
case Message::Invalidate:
{
// Do nothing here, new frame will be rendered because of this message processing.
break;
}
default:
ASSERT(false, ());
}
}