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

 */
shader_in highp vec2 glyph_stretch;

/*
  size of glyph in _pixels_ on the texture holding the glyph.
  .xy: native glyph size
  .zw: minified glyph size
 */
shader_in TEX_ATTRIBUTE_TYPE vec4 glyph_size;

/*
  bottom left corner in _pixels_ of texture data
  for glyph
 */
shader_in TEX_ATTRIBUTE_TYPE vec4 glyph_bottom_left_texel;

/*
  glyph normalized coordiante, bottom left is (0,0)
  and top right is (1,1).
 */
shader_in TEX_ATTRIBUTE_TYPE vec2 glyph_normalized_coordinate;

/*
  Color of the glyph, 

 .w : scaling factor that created the position.
*/
shader_in highp vec4 pos;


/*
  additional stretching to apply to glyph
