// Draw to stencil
gl.glDisable (GL.GL_BLEND);
gl.glEnable (GL.GL_STENCIL_TEST);
// gl.glStencilMask (0x01);
gl.glStencilOp (GL.GL_KEEP, GL.GL_KEEP, GL.GL_INVERT);
gl.glStencilFunc (GL.GL_ALWAYS, 0, ~0);
gl.glColorMask (false, false, false, false);
// */
//Change beziervertices to normal vertices - THIS IS EXPENSIVE!
Vertex[] allVertsBezierResolved = ToolsGeometry.createVertexArrFromBezierArr(vertexArr, 15);