precision highp float;
precision mediump float;

uniform sampler2D u_sam_tex;
uniform float u_flt_inv_alpha;
varying vec2 v_v2_txc;
varying float v_flt_alpha;
void main()
{
	gl_FragColor = texture2D(u_sam_tex, v_v2_txc);
	gl_FragColor.a *= v_flt_alpha;
	gl_FragColor.a *= 1.0-u_flt_inv_alpha;
}