* limitations under the License.
*/
+#include <dali/internal/common/matrix-utils.h>
#include <dali/internal/event/actors/actor-coords.h>
#include <dali/internal/event/common/event-thread-services.h>
#include <dali/internal/event/common/projection.h>
namespace Dali::Internal
{
+namespace
+{
+/**
+ * @brief Get the Viewport Extents from RenderTask
+ *
+ * @param[in] renderTask RenderTask what we want to get viewport.
+ * @param[out] viewportExtent Calculated extent by renderTask.
+ * @return True if we success to get viewports. False otherwise
+ */
+bool GetViewportExtentsFromRenderTask(const RenderTask& renderTask, Rect<float>& viewportExtent)
+{
+ if(renderTask.GetFrameBuffer())
+ {
+ Dali::Actor mappingActor = renderTask.GetScreenToFrameBufferMappingActor();
+ if(mappingActor)
+ {
+ // NOTE : We will assume that mapping actor always use default camera.
+ Vector2 screenPosition = mappingActor.GetProperty<Vector2>(Dali::Actor::Property::SCREEN_POSITION);
+ Vector3 size = mappingActor.GetCurrentProperty<Vector3>(Dali::Actor::Property::SIZE) * mappingActor.GetCurrentProperty<Vector3>(Dali::Actor::Property::WORLD_SCALE);
+ Vector3 anchorPointOffSet = size * GetImplementation(mappingActor).GetAnchorPointForPosition();
+ Vector2 position = Vector2(screenPosition.x - anchorPointOffSet.x, screenPosition.y - anchorPointOffSet.y);
+ viewportExtent.x = position.x;
+ viewportExtent.y = position.y;
+ viewportExtent.width = size.x;
+ viewportExtent.height = size.y;
+ }
+ else
+ {
+ return false;
+ }
+ }
+ else
+ {
+ Viewport viewport;
+ renderTask.GetViewport(viewport);
+ viewportExtent.x = viewport.x;
+ viewportExtent.y = viewport.y;
+ viewportExtent.width = viewport.width;
+ viewportExtent.height = viewport.height;
+ }
+ return true;
+}
+} // namespace
bool ConvertScreenToLocal(
const Matrix& viewMatrix,
const Matrix& projectionMatrix,
{
// Get the ModelView matrix
Matrix modelView;
- Matrix::Multiply(modelView, worldMatrix, viewMatrix);
+ MatrixUtils::Multiply(modelView, worldMatrix, viewMatrix);
// Calculate the inverted ModelViewProjection matrix; this will be used for 2 unprojects
Matrix invertedMvp(false /*don't init*/);
- Matrix::Multiply(invertedMvp, modelView, projectionMatrix);
+ MatrixUtils::Multiply(invertedMvp, modelView, projectionMatrix);
bool success = invertedMvp.Invert();
// Convert to GL coordinates
return {position.x, position.y, size.x, size.y};
}
+bool ConvertLocalToScreen(
+ const Matrix& viewMatrix,
+ const Matrix& projectionMatrix,
+ const Matrix& worldMatrix,
+ const Rect<>& viewportExtent,
+ const Vector3& localPosition,
+ float& screenX,
+ float& screenY)
+{
+ bool success = false;
+
+ // Convert local to projection coordinates
+ // note, P*(V*(M*pos))) is faster than (P*V*M)*pos
+ Vector4 mvpPos(localPosition.x, localPosition.y, localPosition.z, 1.0f);
+
+ mvpPos = worldMatrix * mvpPos;
+ mvpPos = viewMatrix * mvpPos;
+ mvpPos = projectionMatrix * mvpPos;
+
+ if(DALI_LIKELY(!EqualsZero(mvpPos.w)))
+ {
+ success = true;
+ screenX = viewportExtent.x + (mvpPos.x + mvpPos.w) * viewportExtent.width * 0.5f / mvpPos.w;
+ screenY = viewportExtent.y + (-mvpPos.y + mvpPos.w) * viewportExtent.height * 0.5f / mvpPos.w;
+ }
+ return success;
+}
+
+bool ConvertLocalToScreenRenderTask(
+ const RenderTask& renderTask,
+ const Actor& actor,
+ const Matrix& worldMatrix,
+ const Vector3& localPosition,
+ float& screenX,
+ float& screenY)
+{
+ bool success = false;
+ const Actor* sourceActor = renderTask.GetSourceActor();
+ if(sourceActor == nullptr)
+ {
+ return success;
+ }
+
+ // Check whether current actor is in this rendertask.
+ bool actorInRendertask = false;
+ const Actor* targetActor = &actor;
+ while(targetActor)
+ {
+ if(sourceActor == targetActor)
+ {
+ actorInRendertask = true;
+ break;
+ }
+ targetActor = targetActor->GetParent();
+ }
+ if(!actorInRendertask)
+ {
+ return success;
+ }
+
+ CameraActor* camera = renderTask.GetCameraActor();
+ if(camera)
+ {
+ Rect<float> viewportExtent = {0.f, 0.f, 0.f, 0.f};
+ if(!GetViewportExtentsFromRenderTask(renderTask, viewportExtent))
+ {
+ return success;
+ }
+
+ if(ConvertLocalToScreen(camera->GetViewMatrix(), camera->GetProjectionMatrix(), worldMatrix, viewportExtent, localPosition, screenX, screenY))
+ {
+ success = true;
+ }
+ }
+ return success;
+}
+
+bool ConvertLocalToScreenRenderTaskList(
+ const RenderTaskList& renderTaskList,
+ const Actor& actor,
+ const Matrix& worldMatrix,
+ const Vector3& localPosition,
+ float& screenX,
+ float& screenY)
+{
+ // do a reverse traversal of all lists (as the default onscreen one is typically the last one)
+ uint32_t taskCount = renderTaskList.GetTaskCount();
+ for(uint32_t i = taskCount; i > 0; --i)
+ {
+ RenderTaskPtr task = renderTaskList.GetTask(i - 1);
+ if(ConvertLocalToScreenRenderTask(*task, actor, worldMatrix, localPosition, screenX, screenY))
+ {
+ // found a task where this conversion was ok so return
+ return true;
+ }
+ }
+ return false;
+}
+
+const Vector2 CalculateActorScreenPositionRenderTaskList(const Actor& actor, BufferIndex bufferIndex)
+{
+ if(actor.OnScene())
+ {
+ const auto& node = actor.GetNode();
+ Scene& scene = actor.GetScene();
+
+ Vector2 result;
+
+ auto worldMatrix = node.GetWorldMatrix(bufferIndex);
+ const auto& renderTaskList = scene.GetRenderTaskList();
+ ConvertLocalToScreenRenderTaskList(renderTaskList, actor, worldMatrix, node.GetSize(bufferIndex) * (actor.GetAnchorPointForPosition() - Vector3(0.5f, 0.5f, 0.5f)), result.x, result.y);
+
+ return result;
+ }
+ return Vector2::ZERO;
+}
+
+bool ConvertLocalToScreenExtentRenderTask(
+ const RenderTask& renderTask,
+ const Actor& actor,
+ const Matrix& worldMatrix,
+ const Vector3& currentSize,
+ Rect<>& screenExtent)
+{
+ bool success = false;
+ const Actor* sourceActor = renderTask.GetSourceActor();
+ if(sourceActor == nullptr)
+ {
+ return success;
+ }
+
+ // Check whether current actor is in this rendertask.
+ bool actorInRendertask = false;
+ const Actor* targetActor = &actor;
+ while(targetActor)
+ {
+ if(sourceActor == targetActor)
+ {
+ actorInRendertask = true;
+ break;
+ }
+ targetActor = targetActor->GetParent();
+ }
+ if(!actorInRendertask)
+ {
+ return success;
+ }
+
+ CameraActor* camera = renderTask.GetCameraActor();
+ if(camera)
+ {
+ Rect<float> viewportExtent = {0.f, 0.f, 0.f, 0.f};
+ if(!GetViewportExtentsFromRenderTask(renderTask, viewportExtent))
+ {
+ return success;
+ }
+
+ constexpr uint32_t BOX_POINT_COUNT = 8;
+ const Vector3 BBOffset[BOX_POINT_COUNT] = {
+ Vector3(-currentSize.width * 0.5f, -currentSize.height * 0.5f, -currentSize.depth * 0.5f),
+ Vector3(-currentSize.width * 0.5f, currentSize.height * 0.5f, -currentSize.depth * 0.5f),
+ Vector3(currentSize.width * 0.5f, -currentSize.height * 0.5f, -currentSize.depth * 0.5f),
+ Vector3(currentSize.width * 0.5f, currentSize.height * 0.5f, -currentSize.depth * 0.5f),
+ Vector3(-currentSize.width * 0.5f, -currentSize.height * 0.5f, currentSize.depth * 0.5f),
+ Vector3(-currentSize.width * 0.5f, currentSize.height * 0.5f, currentSize.depth * 0.5f),
+ Vector3(currentSize.width * 0.5f, -currentSize.height * 0.5f, currentSize.depth * 0.5f),
+ Vector3(currentSize.width * 0.5f, currentSize.height * 0.5f, currentSize.depth * 0.5f),
+ };
+
+ float minScreenX = 0.0f;
+ float minScreenY = 0.0f;
+ float maxScreenX = 0.0f;
+ float maxScreenY = 0.0f;
+
+ const auto& viewMatrix = camera->GetViewMatrix();
+ const auto& projectionMatrix = camera->GetProjectionMatrix();
+
+ success = ConvertLocalToScreen(viewMatrix, projectionMatrix, worldMatrix, viewportExtent, BBOffset[0], minScreenX, minScreenY);
+ if(success)
+ {
+ maxScreenX = minScreenX;
+ maxScreenY = minScreenY;
+ for(uint32_t i = 1; i < BOX_POINT_COUNT; ++i)
+ {
+ float screenX = 0.0f;
+ float screenY = 0.0f;
+ Vector3 localPosition = BBOffset[i];
+ if(DALI_UNLIKELY(!ConvertLocalToScreen(viewMatrix, projectionMatrix, worldMatrix, viewportExtent, localPosition, screenX, screenY)))
+ {
+ success = false;
+ break;
+ }
+ minScreenX = std::min(minScreenX, screenX);
+ maxScreenX = std::max(maxScreenX, screenX);
+ minScreenY = std::min(minScreenY, screenY);
+ maxScreenY = std::max(maxScreenY, screenY);
+ }
+ if(success)
+ {
+ screenExtent.x = minScreenX;
+ screenExtent.y = minScreenY;
+ screenExtent.width = maxScreenX - minScreenX;
+ screenExtent.height = maxScreenY - minScreenY;
+ }
+ }
+ }
+ return success;
+}
+
+bool ConvertLocalToScreenExtentRenderTaskList(
+ const RenderTaskList& renderTaskList,
+ const Actor& actor,
+ const Matrix& worldMatrix,
+ const Vector3& currentSize,
+ Rect<>& screenExtent)
+{
+ // do a reverse traversal of all lists (as the default onscreen one is typically the last one)
+ uint32_t taskCount = renderTaskList.GetTaskCount();
+ for(uint32_t i = taskCount; i > 0; --i)
+ {
+ RenderTaskPtr task = renderTaskList.GetTask(i - 1);
+ if(ConvertLocalToScreenExtentRenderTask(*task, actor, worldMatrix, currentSize, screenExtent))
+ {
+ // found a task where this conversion was ok so return
+ return true;
+ }
+ }
+ return false;
+}
+
+Rect<> CalculateActorScreenExtentsRenderTaskList(const Actor& actor, BufferIndex bufferIndex)
+{
+ Rect<> result = {0.0f, 0.0f, 0.0f, 0.0f};
+
+ if(actor.OnScene())
+ {
+ const auto& node = actor.GetNode();
+ Scene& scene = actor.GetScene();
+
+ auto worldMatrix = node.GetWorldMatrix(bufferIndex);
+ const auto& renderTaskList = scene.GetRenderTaskList();
+ ConvertLocalToScreenExtentRenderTaskList(renderTaskList, actor, worldMatrix, node.GetSize(bufferIndex), result);
+ }
+ return result;
+}
+
/**
* @brief Computes and center position by using transform properties.
* @param[in] anchorPoint anchorPoint of an actor.
//Update the world matrix
Matrix tempMatrix;
- Matrix::Multiply(tempMatrix, localMatrix, worldMatrix);
+ MatrixUtils::Multiply(tempMatrix, localMatrix, worldMatrix);
worldMatrix = tempMatrix;
}
else
{
localMatrix.SetTransformComponents(localScale, localOrientation, Vector3::ZERO);
Matrix tempMatrix;
- Matrix::Multiply(tempMatrix, localMatrix, worldMatrix);
+ MatrixUtils::Multiply(tempMatrix, localMatrix, worldMatrix);
worldMatrix = tempMatrix;
worldMatrix.SetTranslation(actorPosition + centerPosition);
}
localPosition = actorPosition + centerPosition + (parentOrigin - Vector3(0.5f, 0.5f, 0.5f)) * parentSize;
localMatrix.SetTransformComponents(localScale, localOrientation, localPosition);
Matrix tempMatrix;
- Matrix::Multiply(tempMatrix, localMatrix, worldMatrix);
+ MatrixUtils::Multiply(tempMatrix, localMatrix, worldMatrix);
worldMatrix = tempMatrix;
}
}
projects / platform / core / uifw / dali-core.git / blobdiff