nuclear@29: uniform sampler2D mrt0, mrt1, mrt2, mrt3;
nuclear@29: uniform vec2 tex_scale;
nuclear@29: 
nuclear@29: void main()
nuclear@29: {
nuclear@29: 	vec2 tc = gl_TexCoord[0].st;
nuclear@29: 
nuclear@29: 	vec4 texel;
nuclear@29: 	if(tc.x < 0.25) {
nuclear@29: 		texel = texture2D(mrt0, tc * vec2(4.0, 1.0) * tex_scale);
nuclear@29: 	} else if(tc.x < 0.5) {
nuclear@29: 		texel = texture2D(mrt1, (tc - vec2(0.25, 0.0)) * vec2(4.0, 1.0) * tex_scale);
nuclear@29: 	} else if(tc.x < 0.75) {
nuclear@29: 		texel = texture2D(mrt2, (tc - vec2(0.5, 0.0)) * vec2(4.0, 1.0) * tex_scale);
nuclear@29: 	} else {
nuclear@29: 		texel = texture2D(mrt3, (tc - vec2(0.75, 0.0)) * vec2(4.0, 1.0) * tex_scale);
nuclear@29: 	}
nuclear@29: 
nuclear@29: 	gl_FragColor = texel;
nuclear@29: }