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| 341 | |
| 342 | //------------------------------------------------------------------------------ |
| 343 | void vtkOpenGLES30PolyDataMapper2D::UpdateVBO(vtkActor2D* act, vtkViewport* viewport) |
| 344 | { |
| 345 | vtkPolyData* poly = this->GetInput(); |
| 346 | if (poly == nullptr) |
| 347 | { |
| 348 | return; |
| 349 | } |
| 350 | |
| 351 | this->MapScalars(act->GetProperty()->GetOpacity()); |
| 352 | this->HaveCellScalars = false; |
| 353 | if (this->ScalarVisibility) |
| 354 | { |
| 355 | // We must figure out how the scalars should be mapped to the polydata. |
| 356 | if ((this->ScalarMode == VTK_SCALAR_MODE_USE_CELL_DATA || |
| 357 | this->ScalarMode == VTK_SCALAR_MODE_USE_CELL_FIELD_DATA || |
| 358 | this->ScalarMode == VTK_SCALAR_MODE_USE_FIELD_DATA || |
| 359 | !poly->GetPointData()->GetScalars()) && |
| 360 | this->ScalarMode != VTK_SCALAR_MODE_USE_POINT_FIELD_DATA && this->Colors) |
| 361 | { |
| 362 | this->HaveCellScalars = true; |
| 363 | } |
| 364 | } |
| 365 | |
| 366 | // if we have cell scalars then we have to |
| 367 | // build the texture |
| 368 | vtkCellArray* prims[4]; |
| 369 | prims[0] = poly->GetVerts(); |
| 370 | prims[1] = poly->GetLines(); |
| 371 | prims[2] = poly->GetPolys(); |
| 372 | prims[3] = poly->GetStrips(); |
| 373 | vtkDataArray* c = this->Colors; |
| 374 | if (this->HaveCellScalars) |
| 375 | { |
| 376 | this->CellCellMap->Update(prims, VTK_SURFACE, poly->GetPoints()); |
| 377 | c = nullptr; |
| 378 | } |
| 379 | |
| 380 | // Transform the points, if necessary |
| 381 | vtkPoints* p = poly->GetPoints(); |
| 382 | if (this->TransformCoordinate) |
| 383 | { |
| 384 | vtkIdType numPts = p->GetNumberOfPoints(); |
| 385 | if (!this->TransformedPoints) |
| 386 | { |
| 387 | this->TransformedPoints = vtkPoints::New(); |
| 388 | } |
| 389 | this->TransformedPoints->SetNumberOfPoints(numPts); |
| 390 | for (vtkIdType j = 0; j < numPts; j++) |
| 391 | { |
| 392 | this->TransformCoordinate->SetValue(p->GetPoint(j)); |
| 393 | if (this->TransformCoordinateUseDouble) |
| 394 | { |
| 395 | double* dtmp = this->TransformCoordinate->GetComputedDoubleViewportValue(viewport); |
| 396 | this->TransformedPoints->SetPoint(j, dtmp[0], dtmp[1], 0.0); |
| 397 | } |
| 398 | else |
| 399 | { |
| 400 | int* itmp = this->TransformCoordinate->GetComputedViewportValue(viewport); |
no test coverage detected