1 uniform sampler2D tex0;

     2 uniform vec4 tint;

     3 uniform bool enableTexture;

     4 

     5 varying vec2 tex;

     6 

     7 

     8 void main()

     9 {

    10     if(enableTexture){

    11         gl_FragColor = texture2D(tex0, tex) * tint;

    12     }else{

    13         gl_FragColor = tint;

    14     }

    15 }