Handle(OpenGl_FrameBuffer) myMainSceneFbosOit[2]; //!< Additional buffers for transparent draw of main layer.
Handle(OpenGl_FrameBuffer) myImmediateSceneFbos[2]; //!< Additional buffers for immediate layer in stereo mode.
Handle(OpenGl_FrameBuffer) myImmediateSceneFbosOit[2]; //!< Additional buffers for transparency draw of immediate layer.
+ Handle(OpenGl_FrameBuffer) myXrSceneFbo; //!< additional FBO (without MSAA) for submitting to XR
OpenGl_VertexBuffer myFullScreenQuad; //!< Vertices for full-screen quad rendering.
OpenGl_VertexBuffer myFullScreenQuadFlip;
Standard_Boolean myToFlipOutput; //!< Flag to draw result image upside-down