$input v_texcoord0, v_color0 /* * Copyright 2011-2014 Branimir Karadzic. All rights reserved. * License: http://www.opensource.org/licenses/BSD-2-Clause */ #include SAMPLER2D(u_texColor, 0); void main() { float alpha = texture2D(u_texColor, v_texcoord0).x; gl_FragColor = vec4(v_color0.xyz, v_color0.w * alpha); }