1
2out vec4 sk_FragColor;
3layout (binding = 0) uniform sampler2D tex;
4void main() {
5    vec4 a = texture(tex, vec2(0.0));
6    vec4 b = textureProj(tex, vec3(0.0));
7    sk_FragColor = vec4(a.xy, b.zw);
8}
9