#version 150

uniform sampler2D t0, ts;

void main(void) {
	ivec2 tc = ivec2(gl_FragCoord.xy);
	vec4 v0 = texelFetch(t0, tc, 0), vs = texelFetch(ts, tc, 0);
	float rad;
	float coeff = modf(v0.a, rad);
	qgl_FragData[0].rgb = mix(vs.rgb, v0.rgb, coeff);
	//qgl_FragData[0].rgb = vec3(v0.rgb);
}