title: Android Opengl-es make transparent background on a texture, how?
body: <p>I have a texture with a black background. </p>
  
  <p>I d like to make a pixel color key transparency. </p>
  
  <p>My picture is a png file, but the background is not transparent, it is a BLACK(or red or yellow, etc) color.</p>
  
  <p>How can i draw that texture without my background? </p>
  
  <p>this code not work:</p>
  
  <pre><code>gl.glBlendFunc(GL10.GL_SRC_ALPHA, GL10.GL_ONE);
  gl.glEnable(GL10.GL_BLEND);
  </code></pre>
  
  <p>this code only work on transparent png's, </p>
  
  <p>thanks</p>