int shader = gl.glCreateShader(type);
if (shader == 0) return -1;
gl.glShaderSource(shader, source);
gl.glCompileShader(shader);
gl.glGetShaderiv(shader, GL20.GL_COMPILE_STATUS, intbuf);
int compiled = intbuf.get(0);
if (compiled == 0) {
// gl.glGetShaderiv(shader, GL20.GL_INFO_LOG_LENGTH, intbuf);