From: Viktor UZLOV <vuzlov@salomex.nnov.opencascade.com>
Date: Wed, 5 May 2021 14:00:10 +0000 (+0300)
Subject: transparency with mesa
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2Fvuzlov%2F23995_vtk_opacity;p=modules%2Fgui.git

transparency with mesa
---

diff --git a/src/SVTK/SVTK_ViewWindow.cxx b/src/SVTK/SVTK_ViewWindow.cxx
index 67fccd088..6273bd490 100644
--- a/src/SVTK/SVTK_ViewWindow.cxx
+++ b/src/SVTK/SVTK_ViewWindow.cxx
@@ -251,6 +251,9 @@ void SVTK_ViewWindow::Initialize(SVTK_ViewModelBase* theModel)
   myKeyFreeInteractorStyle->AddObserver(SVTK::OperationFinished,
                                         myEventCallbackCommand.GetPointer(), 0.0);
 
+  char *mesavar = getenv("SALOME_USE_MESA");
+  if (mesavar)
+    getRenderer()->SetUseDepthPeeling(1);
 
   getRenderer()->SetBackgroundAlpha(1.0);
   myInteractor->getRenderWindow()->SetMultiSamples(0);