uniform sampler2D tex0;
in vec4 v_color;
in vec2 v_tex0;
in float v_fog;
out vec4 color;
void
main(void)
{
color = v_color*texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y));
color.rgb = mix(u_fogColor.rgb, color.rgb, v_fog);
DoAlphaTest(color.a);
}