how to use glreadpixels with android — usually get zeros

Question

I\'m trying to detect the opengl object under the cursor... I have read it referred to as picking. Here is my code:

public int makeBuffer(GL10 gl, int x, int         


        

Answer 1

These permissions are only available for signature apps. Apps that were signed when the Android ROM was compiled. So they do nothing for regular apps.

android:name="android.permission.ACCESS_SURFACE_FLINGER"
android:name="android.permission.READ_FRAME_BUFFER"