function PANEL:Init()
    self.Avatar = vgui.Create("AvatarImage", self)
    self.Avatar:SetPaintedManually(true)
end

function PANEL:PerformLayout()
    self.Avatar:SetSize(self:GetWide(), self:GetTall())
end

function PANEL:Paint(w, h)
    render.ClearStencil()
    render.SetStencilEnable(true)

    render.SetStencilWriteMask( 1 )
    render.SetStencilTestMask( 1 )

    render.SetStencilFailOperation( STENCILOPERATION_REPLACE )
    render.SetStencilPassOperation( STENCILOPERATION_ZERO )
    render.SetStencilZFailOperation( STENCILOPERATION_ZERO )
    render.SetStencilCompareFunction( STENCILCOMPARISONFUNCTION_NEVER )
    render.SetStencilReferenceValue( 1 )

    draw.RoundedBox(4, 0, 0, w, h, color_white)

    render.SetStencilFailOperation( STENCILOPERATION_ZERO )
    render.SetStencilPassOperation( STENCILOPERATION_REPLACE )
    render.SetStencilZFailOperation( STENCILOPERATION_ZERO )
    render.SetStencilCompareFunction( STENCILCOMPARISONFUNCTION_EQUAL )
    render.SetStencilReferenceValue( 1 )

    self.Avatar:SetPaintedManually(false)
    self.Avatar:PaintManual()
    self.Avatar:SetPaintedManually(true)

    render.SetStencilEnable(false)
    render.ClearStencil()
end

vgui.Register("AvatarMask", PANEL)