code: public void setMaterial(GVRMaterial material)
      {
          mMaterial = material;
          NativeRenderPass.setMaterial(getNative(), material.getNative());
      }
docs: Set the {@link GVRShaderData material} for this pass.
  
  @param material
  The {@link GVRMaterial material} this {@link GVRRenderPass pass}
  will be rendered with.