message: Ignore built-in attributes that start with 'gl_'
diff: @@ -20,8 +20,13 @@ export function getAttributeData(program: WebGLProgram, gl: WebGLRenderingContex
  for (let i = 0; i < totalAttributes; i++)
  {
  const attribData = gl.getActiveAttrib(program, i);
  - const type = mapType(gl, attribData.type);
  + if (attribData.name.startsWith('gl_'))
  + {
  + continue;
  + }
  +
  + const type = mapType(gl, attribData.type);
  const data = {
  type,
  name: attribData.name,
  