[require]
GLSL >= 1.10

[vertex shader]
void main()
{
	gl_Position = gl_Vertex;
}

[fragment shader]

uniform sampler2D table[2];

struct S {
       sampler2D tex;
       vec2 coord;
};

struct S2 {
       sampler2D tex2[2];
};

uniform S s[2];
uniform S2 s2[2];

void main()
{
	vec4 color = texture2D(s[1].tex, s[0].coord);
	color -= texture2D(s2[1].tex2[1], s[0].coord);
	color += texture2D(table[1], s[0].coord);
	gl_FragColor = color;
}

[test]
uniform int table[1] 0
uniform int s[1].tex 0
uniform int s2[1].tex2 0
uniform vec2 s[0].coord 0 0
texture miptree 0

draw rect -1 -1 2 2
probe all rgb 1.0 0.0 0.0