const Frustum& rootFrustum = state->getCameraFrustum();

   MatrixF proj = GFX->getProjectionMatrix();

   if (GFX->getAdapterType() == GFXAdapterType::Direct3D11)
      MathUtils::getZBiasProjectionMatrix( -arcaneFX::sPolysoupZodiacZBias , rootFrustum, &proj);
   else
      MathUtils::getZBiasProjectionMatrix(arcaneFX::sPolysoupZodiacZBias, rootFrustum, &proj);

   // Set up world transform
   MatrixF world = GFX->getWorldMatrix();
   proj.mul(world);