1layout(binding=0) sampler2D test2D; 2layout(binding=1) sampler2D test2DRect; 3 4void main() { 5 sk_FragColor = sample(test2D, float2(0.5)); 6 sk_FragColor = sample(test2DRect, float2(0.5)); 7 sk_FragColor = sample(test2DRect, float3(0.5)); 8} 9