Fix translucent objects when the texture is RGBA

[Meakk]

Fix #332

[Meakk]

Done, please review again @mwestphal

[codecov[bot]]

Codecov Report

Merging #341 (6519cb8) into master (d03f130) will decrease coverage by 0.02%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #341      +/-   ##
==========================================
- Coverage   94.80%   94.78%   -0.03%     
==========================================
  Files          91       91              
  Lines        4487     4508      +21     
==========================================
+ Hits         4254     4273      +19     
- Misses        233      235       +2     

Impacted Files	Coverage Δ
...ry/VTKExtensions/Readers/vtkF3DGenericImporter.cxx	95.51% <100.00%> (-0.12%)	:arrow_down:
...rary/VTKExtensions/Readers/vtkF3DGenericImporter.h	91.66% <0.00%> (-8.34%)	:arrow_down:
library/src/loader_impl.cxx	97.87% <0.00%> (-0.03%)	:arrow_down:
library/src/window_impl.cxx	100.00% <0.00%> (ø)
library/VTKExtensions/Rendering/vtkF3DRenderer.h	83.33% <0.00%> (ø)
...KExtensions/Rendering/vtkF3DRendererWithColoring.h	58.82% <0.00%> (ø)
library/VTKExtensions/Rendering/vtkF3DRenderer.cxx	99.74% <0.00%> (+<0.01%)	:arrow_up:
...xtensions/Rendering/vtkF3DRendererWithColoring.cxx	98.26% <0.00%> (+0.04%)	:arrow_up:

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[mwestphal]

So the multiplication issue is not fixed ?

[Meakk]

So the multiplication issue is not fixed ?

Fixed here: https://gitlab.kitware.com/vtk/vtk/-/merge_requests/9467

[Meakk]

The test will be fixed when the VTK MR will be merged

[mwestphal]

+1