dali/internal/event/events/hit-test-algorithm-impl.cpp

   1 /*
   2  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali/internal/event/events/hit-test-algorithm-impl.h>
  20
  21 // INTERNAL INCLUDES
  22 #include <dali/integration-api/debug.h>
  23 #include <dali/internal/event/actors/actor-impl.h>
  24 #include <dali/internal/event/actors/camera-actor-impl.h>
  25 #include <dali/internal/event/actors/layer-impl.h>
  26 #include <dali/internal/event/actors/layer-list.h>
  27 #include <dali/internal/event/common/projection.h>
  28 #include <dali/internal/event/events/ray-test.h>
  29 #include <dali/internal/event/render-tasks/render-task-impl.h>
  30 #include <dali/internal/event/render-tasks/render-task-list-impl.h>
  31 #include <dali/internal/event/rendering/renderer-impl.h>
  32 #include <dali/public-api/actors/layer.h>
  33 #include <dali/public-api/math/vector2.h>
  34 #include <dali/public-api/math/vector4.h>
  35
  36 namespace Dali
  37 {
  38 namespace Internal
  39 {
  40 namespace HitTestAlgorithm
  41 {
  42 namespace
  43 {
  44 struct HitActor
  45 {
  46   HitActor()
  47   : actor(nullptr),
  48     distance(std::numeric_limits<float>::max()),
  49     depth(std::numeric_limits<int>::min())
  50   {
  51   }
  52
  53   Actor*  actor;       ///< The actor hit (if actor is hit, then this is initialised).
  54   Vector2 hitPosition; ///< Position of hit (only valid if actor valid).
  55   float   distance;    ///< Distance from ray origin to hit actor.
  56   int32_t depth;       ///< Depth index of this actor.
  57 };
  58
  59 /**
  60  * Creates an Actor handle so that a HitTestFunction provided via the public API can be called.
  61  */
  62 struct HitTestFunctionWrapper : public HitTestInterface
  63 {
  64   /**
  65    * Constructor
  66    *
  67    * @param[in] func HitTestFunction to call with an Actor handle.
  68    */
  69   HitTestFunctionWrapper(Dali::HitTestAlgorithm::HitTestFunction func)
  70   : mFunc(func)
  71   {
  72   }
  73
  74   bool IsActorHittable(Actor* actor) override
  75   {
  76     return mFunc(Dali::Actor(actor), Dali::HitTestAlgorithm::CHECK_ACTOR);
  77   }
  78
  79   bool DescendActorHierarchy(Actor* actor) override
  80   {
  81     return mFunc(Dali::Actor(actor), Dali::HitTestAlgorithm::DESCEND_ACTOR_TREE);
  82   }
  83
  84   bool DoesLayerConsumeHit(Layer* layer) override
  85   {
  86     // Layer::IsTouchConsumed() focuses on touch only. Here we are a wrapper for the public-api
  87     // where the caller may want to check for something completely different.
  88     // TODO: Should provide a means to let caller decide. For now do not allow layers to consume
  89     return false;
  90   }
  91
  92   bool ActorRequiresHitResultCheck(Actor* actor, Integration::Point point, Vector2 hitPointLocal, uint32_t timeStamp) override
  93   {
  94     return actor->EmitHitTestResultSignal(point, hitPointLocal, timeStamp);
  95   }
  96
  97   Dali::HitTestAlgorithm::HitTestFunction mFunc;
  98 };
  99
 100 /**
 101  * Used in the hit-test algorithm to check whether the actor is touchable.
 102  * It is used by the touch event processor.
 103  */
 104 struct ActorTouchableCheck : public HitTestInterface
 105 {
 106   bool IsActorHittable(Actor* actor) override
 107   {
 108     return (actor->GetTouchRequired() || actor->GetInterceptTouchRequired() || actor->IsTouchFocusable()) && // Does the Application or derived actor type require a touch event or a intercept touch event? or focusable by touch?
 109            actor->IsHittable();                                                                              // Is actor sensitive, visible and on the scene?
 110   }
 111
 112   bool DescendActorHierarchy(Actor* actor) override
 113   {
 114     return actor->IsVisible() && // Actor is visible, if not visible then none of its children are visible.
 115            actor->IsSensitive(); // Actor is sensitive, if insensitive none of its children should be hittable either.
 116   }
 117
 118   bool DoesLayerConsumeHit(Layer* layer) override
 119   {
 120     return layer->IsTouchConsumed();
 121   }
 122
 123   bool ActorRequiresHitResultCheck(Actor* actor, Integration::Point point, Vector2 hitPointLocal, uint32_t timeStamp) override
 124   {
 125     return actor->EmitHitTestResultSignal(point, hitPointLocal, timeStamp);
 126   }
 127 };
 128
 129 /**
 130  * Check to see if the actor we're about to hit test is exclusively owned by another rendertask?
 131  */
 132 bool IsActorExclusiveToAnotherRenderTask(const Actor&                               actor,
 133                                          const RenderTask&                          renderTask,
 134                                          const RenderTaskList::ExclusivesContainer& exclusives)
 135
 136 {
 137   if(exclusives.size())
 138   {
 139     for(const auto& exclusive : exclusives)
 140     {
 141       if((exclusive.renderTaskPtr != &renderTask) && (exclusive.actor.GetActor() == &actor))
 142       {
 143         return true;
 144       }
 145     }
 146   }
 147   return false;
 148 }
 149
 150 /**
 151  * Recursively hit test all the actors, without crossing into other layers.
 152  * This algorithm performs a Depth-First-Search (DFS) on all Actors within Layer.
 153  * Hit-Testing each Actor, noting the distance from the Ray-Origin (3D origin
 154  * of touch vector). The closest Hit-Tested Actor is that which is returned.
 155  * Exceptions to this rule are:
 156  * - When comparing against renderable parents, if Actor is the same distance
 157  * or closer than it's renderable parent, then it takes priority.
 158  */
 159 HitActor HitTestWithinLayer(Actor&                                     actor,
 160                             const RenderTask&                          renderTask,
 161                             const RenderTaskList::ExclusivesContainer& exclusives,
 162                             const Vector4&                             rayOrigin,
 163                             const Vector4&                             rayDir,
 164                             const float&                               nearClippingPlane,
 165                             const float&                               farClippingPlane,
 166                             HitTestInterface&                          hitCheck,
 167                             const bool&                                overlayed,
 168                             bool&                                      overlayHit,
 169                             bool                                       layerIs3d,
 170                             const RayTest&                             rayTest,
 171                             const Integration::Point&                  point,
 172                             const uint32_t                             eventTime)
 173 {
 174   HitActor hit;
 175
 176   if(IsActorExclusiveToAnotherRenderTask(actor, renderTask, exclusives))
 177   {
 178     return hit;
 179   }
 180
 181   // For clipping, regardless of whether we have hit this actor or not.
 182   // This is used later to ensure all nested clipped children have hit
 183   // all clipping actors also for them to be counted as hit.
 184   bool clippingActor  = actor.GetClippingMode() != ClippingMode::DISABLED;
 185   bool overlayedActor = overlayed || actor.IsOverlay();
 186
 187   // If we are a clipping actor or hittable...
 188   if(clippingActor || hitCheck.IsActorHittable(&actor))
 189   {
 190     Vector3 size(actor.GetCurrentSize());
 191
 192     // Ensure the actor has a valid size.
 193     // If so, perform a quick ray sphere test to see if our ray is close to the actor.
 194     if(size.x > 0.0f && size.y > 0.0f && rayTest.SphereTest(actor, rayOrigin, rayDir))
 195     {
 196       Vector2 hitPointLocal;
 197       float   distance;
 198
 199       // Finally, perform a more accurate ray test to see if our ray actually hits the actor.
 200       if(rayTest.ActorTest(actor, rayOrigin, rayDir, hitPointLocal, distance))
 201       {
 202         // Calculate z coordinate value in Camera Space.
 203         const Matrix&  viewMatrix          = renderTask.GetCameraActor()->GetViewMatrix();
 204         const Vector4& hitDir              = Vector4(rayDir.x * distance, rayDir.y * distance, rayDir.z * distance, 0.0f);
 205         const float    cameraDepthDistance = (viewMatrix * hitDir).z;
 206
 207         // Check if cameraDepthDistance is between clipping plane
 208         if(cameraDepthDistance >= nearClippingPlane && cameraDepthDistance <= farClippingPlane)
 209         {
 210           if(overlayHit && !overlayedActor)
 211           {
 212             // If we have already hit an overlay and current actor is not an overlay ignore current actor.
 213           }
 214           else
 215           {
 216             if(overlayedActor)
 217             {
 218               overlayHit = true;
 219             }
 220
 221             // If the hit actor does not want to hit, the hit-test continues.
 222             if(hitCheck.ActorRequiresHitResultCheck(&actor, point, hitPointLocal, eventTime))
 223             {
 224               hit.actor       = &actor;
 225               hit.hitPosition = hitPointLocal;
 226               hit.distance    = distance;
 227               hit.depth       = actor.GetSortingDepth();
 228
 229               if(actor.GetRendererCount() > 0)
 230               {
 231                 //Get renderer with maximum depth
 232                 int rendererMaxDepth(actor.GetRendererAt(0).Get()->GetDepthIndex());
 233                 for(uint32_t i(1); i < actor.GetRendererCount(); ++i)
 234                 {
 235                   int depth = actor.GetRendererAt(i).Get()->GetDepthIndex();
 236                   if(depth > rendererMaxDepth)
 237                   {
 238                     rendererMaxDepth = depth;
 239                   }
 240                 }
 241                 hit.depth += rendererMaxDepth;
 242               }
 243             }
 244           }
 245         }
 246       }
 247     }
 248   }
 249
 250   // If current actor is clipping, and hit failed, We should not checkup child actors. Fast return
 251   if(clippingActor && !(hit.actor))
 252   {
 253     return hit;
 254   }
 255
 256   // Find a child hit, until we run out of actors in the current layer.
 257   HitActor childHit;
 258   if(actor.GetChildCount() > 0)
 259   {
 260     childHit.distance        = std::numeric_limits<float>::max();
 261     childHit.depth           = std::numeric_limits<int32_t>::min();
 262     ActorContainer& children = actor.GetChildrenInternal();
 263
 264     // Hit test ALL children and calculate their distance.
 265     bool parentIsRenderable = actor.IsRenderable();
 266
 267     for(ActorIter iter = children.begin(), endIter = children.end(); iter != endIter; ++iter)
 268     {
 269       // Descend tree only if...
 270       if(!(*iter)->IsLayer() &&                           // Child is NOT a layer, hit testing current layer only
 271          (hitCheck.DescendActorHierarchy((*iter).Get()))) // We can descend into child hierarchy
 272       {
 273         HitActor currentHit(HitTestWithinLayer((*iter->Get()),
 274                                                renderTask,
 275                                                exclusives,
 276                                                rayOrigin,
 277                                                rayDir,
 278                                                nearClippingPlane,
 279                                                farClippingPlane,
 280                                                hitCheck,
 281                                                overlayedActor,
 282                                                overlayHit,
 283                                                layerIs3d,
 284                                                rayTest,
 285                                                point,
 286                                                eventTime));
 287
 288         // Make sure the set hit actor is actually hittable. This is usually required when we have some
 289         // clipping as we need to hit-test all actors as we descend the tree regardless of whether they
 290         // are hittable or not.
 291         if(currentHit.actor && (!hitCheck.IsActorHittable(currentHit.actor)))
 292         {
 293           continue;
 294         }
 295
 296         bool updateChildHit = false;
 297         if(currentHit.distance >= 0.0f)
 298         {
 299           if(layerIs3d)
 300           {
 301             updateChildHit = ((currentHit.depth > childHit.depth) ||
 302                               ((currentHit.depth == childHit.depth) && (currentHit.distance < childHit.distance)));
 303           }
 304           else
 305           {
 306             updateChildHit = currentHit.depth >= childHit.depth;
 307           }
 308         }
 309
 310         if(updateChildHit)
 311         {
 312           if(!parentIsRenderable || currentHit.depth > hit.depth ||
 313              (layerIs3d && (currentHit.depth == hit.depth && currentHit.distance < hit.distance)))
 314           {
 315             childHit = currentHit;
 316           }
 317         }
 318       }
 319     }
 320   }
 321
 322   return (childHit.actor) ? childHit : hit;
 323 }
 324
 325 /**
 326  * Return true if actor is sourceActor or a descendent of sourceActor
 327  */
 328 bool IsWithinSourceActors(const Actor& sourceActor, const Actor& actor)
 329 {
 330   if(&sourceActor == &actor)
 331   {
 332     return true;
 333   }
 334
 335   Actor* parent = actor.GetParent();
 336   if(parent)
 337   {
 338     return IsWithinSourceActors(sourceActor, *parent);
 339   }
 340
 341   // Not within source actors
 342   return false;
 343 }
 344
 345 /**
 346  * Returns true if the layer and all of the layer's parents are visible and sensitive.
 347  */
 348 inline bool IsActuallyHittable(Layer& layer, const Vector2& screenCoordinates, const Vector2& stageSize, HitTestInterface& hitCheck)
 349 {
 350   bool hittable(true);
 351
 352   if(layer.IsClipping())
 353   {
 354     ClippingBox box = layer.GetClippingBox();
 355
 356     if(screenCoordinates.x < static_cast<float>(box.x) ||
 357        screenCoordinates.x > static_cast<float>(box.x + box.width) ||
 358        screenCoordinates.y < stageSize.y - static_cast<float>(box.y + box.height) ||
 359        screenCoordinates.y > stageSize.y - static_cast<float>(box.y))
 360     {
 361       // Not touchable if clipping is enabled in the layer and the screen coordinate is outside the clip region.
 362       hittable = false;
 363     }
 364   }
 365
 366   if(hittable)
 367   {
 368     Actor* actor(&layer);
 369
 370     // Ensure that we can descend into the layer's (or any of its parent's) hierarchy.
 371     while(actor && hittable)
 372     {
 373       if(!hitCheck.DescendActorHierarchy(actor))
 374       {
 375         hittable = false;
 376         break;
 377       }
 378       actor = actor->GetParent();
 379     }
 380   }
 381
 382   return hittable;
 383 }
 384
 385 /**
 386  * Gets the near and far clipping planes of the camera from which the scene is viewed in the render task.
 387  */
 388 void GetCameraClippingPlane(RenderTask& renderTask, float& nearClippingPlane, float& farClippingPlane)
 389 {
 390   CameraActor* cameraActor = renderTask.GetCameraActor();
 391   nearClippingPlane        = cameraActor->GetNearClippingPlane();
 392   farClippingPlane         = cameraActor->GetFarClippingPlane();
 393 }
 394
 395 /**
 396  * Hit test a RenderTask
 397  */
 398 bool HitTestRenderTask(const RenderTaskList::ExclusivesContainer& exclusives,
 399                        const Vector2&                             sceneSize,
 400                        LayerList&                                 layers,
 401                        RenderTask&                                renderTask,
 402                        Vector2                                    screenCoordinates,
 403                        Results&                                   results,
 404                        HitTestInterface&                          hitCheck,
 405                        const RayTest&                             rayTest)
 406 {
 407   if(renderTask.IsHittable(screenCoordinates))
 408   {
 409     Viewport viewport;
 410     renderTask.GetViewport(viewport);
 411     if(screenCoordinates.x < static_cast<float>(viewport.x) ||
 412        screenCoordinates.x > static_cast<float>(viewport.x + viewport.width) ||
 413        screenCoordinates.y < static_cast<float>(viewport.y) ||
 414        screenCoordinates.y > static_cast<float>(viewport.y + viewport.height))
 415     {
 416       // The screen coordinate is outside the viewport of render task. The viewport clips all layers.
 417       return false;
 418     }
 419
 420     float nearClippingPlane, farClippingPlane;
 421     GetCameraClippingPlane(renderTask, nearClippingPlane, farClippingPlane);
 422
 423     // Determine the layer depth of the source actor
 424     Actor* sourceActor(renderTask.GetSourceActor());
 425     if(sourceActor)
 426     {
 427       Dali::Layer layer(sourceActor->GetLayer());
 428       if(layer)
 429       {
 430         const uint32_t sourceActorDepth(layer.GetProperty<bool>(Dali::Layer::Property::DEPTH));
 431
 432         CameraActor* cameraActor     = renderTask.GetCameraActor();
 433         bool         pickingPossible = cameraActor->BuildPickingRay(
 434           screenCoordinates,
 435           viewport,
 436           results.rayOrigin,
 437           results.rayDirection);
 438         if(!pickingPossible)
 439         {
 440           return false;
 441         }
 442
 443         // Hit test starting with the top layer, working towards the bottom layer.
 444         HitActor hit;
 445         bool     overlayHit       = false;
 446         bool     layerConsumesHit = false;
 447
 448         for(int32_t i = layers.GetLayerCount() - 1; i >= 0 && !(hit.actor); --i)
 449         {
 450           Layer* layer(layers.GetLayer(i));
 451           overlayHit = false;
 452
 453           // Ensure layer is touchable (also checks whether ancestors are also touchable)
 454           if(IsActuallyHittable(*layer, screenCoordinates, sceneSize, hitCheck))
 455           {
 456             // Always hit-test the source actor; otherwise test whether the layer is below the source actor in the hierarchy
 457             if(sourceActorDepth == static_cast<uint32_t>(i))
 458             {
 459               // Recursively hit test the source actor & children, without crossing into other layers.
 460               hit = HitTestWithinLayer(*sourceActor,
 461                                        renderTask,
 462                                        exclusives,
 463                                        results.rayOrigin,
 464                                        results.rayDirection,
 465                                        nearClippingPlane,
 466                                        farClippingPlane,
 467                                        hitCheck,
 468                                        overlayHit,
 469                                        overlayHit,
 470                                        layer->GetBehavior() == Dali::Layer::LAYER_3D,
 471                                        rayTest,
 472                                        results.point,
 473                                        results.eventTime);
 474             }
 475             else if(IsWithinSourceActors(*sourceActor, *layer))
 476             {
 477               // Recursively hit test all the actors, without crossing into other layers.
 478               hit = HitTestWithinLayer(*layer,
 479                                        renderTask,
 480                                        exclusives,
 481                                        results.rayOrigin,
 482                                        results.rayDirection,
 483                                        nearClippingPlane,
 484                                        farClippingPlane,
 485                                        hitCheck,
 486                                        overlayHit,
 487                                        overlayHit,
 488                                        layer->GetBehavior() == Dali::Layer::LAYER_3D,
 489                                        rayTest,
 490                                        results.point,
 491                                        results.eventTime);
 492             }
 493
 494             // If this layer is set to consume the hit, then do not check any layers behind it
 495             if(hitCheck.DoesLayerConsumeHit(layer))
 496             {
 497               layerConsumesHit = true;
 498               break;
 499             }
 500           }
 501         }
 502
 503         if(hit.actor)
 504         {
 505           results.renderTask       = RenderTaskPtr(&renderTask);
 506           results.actor            = Dali::Actor(hit.actor);
 507           results.actorCoordinates = hit.hitPosition;
 508
 509           return true; // Success
 510         }
 511
 512         if(layerConsumesHit)
 513         {
 514           return true; // Also success if layer is consuming the hit
 515         }
 516       }
 517     }
 518   }
 519   return false;
 520 }
 521
 522 /**
 523  * Iterate through the RenderTaskList and perform hit testing.
 524  *
 525  * @param[in] sceneSize The scene size the tests will be performed in
 526  * @param[in] layers The list of layers to test
 527  * @param[in] taskList The list of render tasks
 528  * @param[out] results Ray information calculated by the camera
 529  * @param[in] hitCheck The hit testing interface object to use
 530  * @param[in] onScreen True to test on-screen, false to test off-screen
 531  * @return True if we have a hit, false otherwise
 532  */
 533 bool HitTestRenderTaskList(const Vector2&    sceneSize,
 534                            LayerList&        layers,
 535                            RenderTaskList&   taskList,
 536                            const Vector2&    screenCoordinates,
 537                            Results&          results,
 538                            HitTestInterface& hitCheck,
 539                            bool              onScreen)
 540 {
 541   RenderTaskList::RenderTaskContainer&                  tasks      = taskList.GetTasks();
 542   RenderTaskList::RenderTaskContainer::reverse_iterator endIter    = tasks.rend();
 543   const auto&                                           exclusives = taskList.GetExclusivesList();
 544   RayTest                                               rayTest;
 545
 546   for(RenderTaskList::RenderTaskContainer::reverse_iterator iter = tasks.rbegin(); endIter != iter; ++iter)
 547   {
 548     RenderTask& renderTask            = *iter->Get();
 549     const bool  isOffscreenRenderTask = renderTask.GetFrameBuffer();
 550     if((onScreen && isOffscreenRenderTask) || (!onScreen && !isOffscreenRenderTask))
 551     {
 552       // Skip to next task
 553       continue;
 554     }
 555     if(HitTestRenderTask(exclusives, sceneSize, layers, renderTask, screenCoordinates, results, hitCheck, rayTest))
 556     {
 557       // Return true when an actor is hit (or layer in our render-task consumes the hit)
 558       return true; // don't bother checking off screen tasks
 559     }
 560   }
 561
 562   return false;
 563 }
 564
 565 /**
 566  * Iterate through the RenderTaskList and perform hit testing for both on-screen and off-screen.
 567  *
 568  * @param[in] sceneSize The scene size the tests will be performed in
 569  * @param[in] layers The list of layers to test
 570  * @param[in] taskList The list of render tasks
 571  * @param[out] results Ray information calculated by the camera
 572  * @param[in] hitCheck The hit testing interface object to use
 573  * @param[in] onScreen True to test on-screen, false to test off-screen
 574  * @return True if we have a hit, false otherwise
 575  */
 576 bool HitTestForEachRenderTask(const Vector2&    sceneSize,
 577                               LayerList&        layers,
 578                               RenderTaskList&   taskList,
 579                               const Vector2&    screenCoordinates,
 580                               Results&          results,
 581                               HitTestInterface& hitCheck)
 582 {
 583   bool result = false;
 584
 585   // Check on-screen tasks before off-screen ones.
 586   // Hit test order should be reverse of draw order (see ProcessRenderTasks() where off-screen tasks are drawn first).
 587   if(HitTestRenderTaskList(sceneSize, layers, taskList, screenCoordinates, results, hitCheck, true) ||
 588      HitTestRenderTaskList(sceneSize, layers, taskList, screenCoordinates, results, hitCheck, false))
 589   {
 590     // Found hit.
 591     result = true;
 592   }
 593
 594   return result;
 595 }
 596
 597 } // unnamed namespace
 598
 599 HitTestInterface::~HitTestInterface() = default;
 600
 601 bool HitTest(const Vector2& sceneSize, RenderTaskList& taskList, LayerList& layerList, const Vector2& screenCoordinates, Dali::HitTestAlgorithm::Results& results, Dali::HitTestAlgorithm::HitTestFunction func)
 602 {
 603   bool wasHit(false);
 604   // Hit-test the regular on-scene actors
 605   Results                hitTestResults;
 606   HitTestFunctionWrapper hitTestFunctionWrapper(func);
 607   if(HitTestForEachRenderTask(sceneSize, layerList, taskList, screenCoordinates, hitTestResults, hitTestFunctionWrapper))
 608   {
 609     results.actor            = hitTestResults.actor;
 610     results.actorCoordinates = hitTestResults.actorCoordinates;
 611     wasHit                   = true;
 612   }
 613   return wasHit;
 614 }
 615
 616 bool HitTest(const Vector2& sceneSize, RenderTaskList& renderTaskList, LayerList& layerList, const Vector2& screenCoordinates, Results& results, HitTestInterface& hitTestInterface)
 617 {
 618   bool wasHit(false);
 619
 620   // Hit-test the regular on-scene actors
 621   if(!wasHit)
 622   {
 623     wasHit = HitTestForEachRenderTask(sceneSize, layerList, renderTaskList, screenCoordinates, results, hitTestInterface);
 624   }
 625   return wasHit;
 626 }
 627
 628 bool HitTest(const Vector2& sceneSize, RenderTaskList& renderTaskList, LayerList& layerList, const Vector2& screenCoordinates, Results& results)
 629 {
 630   ActorTouchableCheck actorTouchableCheck;
 631   return HitTest(sceneSize, renderTaskList, layerList, screenCoordinates, results, actorTouchableCheck);
 632 }
 633
 634 } // namespace HitTestAlgorithm
 635
 636 } // namespace Internal
 637
 638 } // namespace Dali