public void end(GL2ES2 gl) {
gl.glDisableVertexAttribArray(this.handles.inXy);
gl.glDisableVertexAttribArray(this.handles.inFlags);
gl.glDisableVertexAttribArray(this.handles.inMileage);
gl.glDisableVertexAttribArray(this.handles.inRgba);
gl.glUseProgram(0);
gl.getGL3().glBindVertexArray(0);
}
public void begin(GL2ES2 gl) {
if (this.handles == null) {
this.handles = new LineProgramHandles(gl);
}
gl.getGL3().glBindVertexArray(GLUtils.defaultVertexAttributeArray(gl));
gl.glUseProgram(this.handles.program);
gl.glEnableVertexAttribArray(this.handles.inXy);
gl.glEnableVertexAttribArray(this.handles.inFlags);
gl.glEnableVertexAttribArray(this.handles.inMileage);
gl.glEnableVertexAttribArray(this.handles.inRgba);
}
public synchronized void useProgram(GL2ES2 gl, boolean on) {
if (!programLinked) {
throw new GLException("Program is not linked");
}
if (programInUse == on) {
return;
}
if (0 == shaderProgram) {
on = false;
}
gl.glUseProgram(on ? shaderProgram : 0);
programInUse = on;
}
