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fix broken transparency mode of mesh objects

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wmayer
2017-12-19 23:24:30 +01:00
parent 011eed3a64
commit 394ae197fb
1 changed files with 9 additions and 1 deletions
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10
src/Mod/Mesh/Gui/SoFCIndexedFaceSet.cpp
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@@ -76,8 +76,16 @@ void SoFCIndexedFaceSet::GLRender(SoGLRenderAction *action)
if (this->coordIndex.getNum() < 3)
return;
if (!this->shouldGLRender(action))
if (!this->shouldGLRender(action)) {
// Transparency is handled inside 'shouldGLRender' but the base class
// somehow misses to reset the blending mode. This causes SoGLLazyElement
// not to switch on and off GL_BLEND mode and thus transparency doesn't
// work as expected. Calling SoMaterialBundle::sendFirst seems to fix the
// problem.
SoMaterialBundle mb(action);
mb.sendFirst();
return;
}
SoState * state = action->getState();
SbBool mode = Gui::SoFCInteractiveElement::get(state);