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