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uniform sampler2D tex0;
uniform vec4 u_blurcolor;
FSIN vec4 v_color;
FSIN vec2 v_tex0;
FSIN float v_fog;
void
main(void)
{
float a = u_blurcolor.a;
vec4 dst = texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y));
vec4 prev = dst;
for(int i = 0; i < 5; i++){
vec4 tmp = dst*(1.0-a) + prev*u_blurcolor*a;
prev = clamp(tmp, 0.0, 1.0);
}
vec4 color;
color.rgb = prev.rgb;
color.a = 1.0f;
FRAGCOLOR(color);
}
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