  */
 
 
+/*
+  TODO:
+    1) Support mix font shaders
+ */
+
 uniform mediump float animation_fx_interpol;
 uniform mediump mat2 animation_matrix;
-
 
 
 /*pos meanings:

/*! 
 * \file simple_ui_font.vert.glsl
 * \brief file simple_ui_font.vert.glsl
 * 
 * Copyright 2013 by Nomovok Ltd.
 * 

 */
shader_in highp vec2 glyph_stretch;


/*
  size of glyph in _pixels_ on the texture holding the glyph.
  .xy: native glyph size
 */
shader_in highp vec2 glyph_size;

/*
  bottom left corner in _pixels_ of texture data
  for glyph
 */
shader_in highp vec2 glyph_bottom_left_texel;

/*
  normalized coordinate within the glyph
 */
shader_in highp vec2 glyph_normalized_coordinate;

/*
  Color of the glyph, 
