#ifdef GL_ES
#ifdef GL_FRAGMENT_PRECISION_HIGH
precision highp float;
#else
precision mediump float;
#endif
uniform sampler2D tex;
varying vec2 tex_c;
void main()
{
vec4 c = texture2D(tex, tex_c.xy);
gl_FragColor = vec4(c.r, c.g, c.b, 1);
}