1/*#pragma settings NoGSInvocationsSupport*/
2
3layout(points) in;
4
5// Subtle error: Declaring max_vertices before invocations causes us not to
6// apply the workaround fixup to max_vertices. It *should* be 4 (2*2) in the
7// GLSL, but is currently only 2. (skbug.com/10827)
8layout(line_strip, max_vertices = 2) out;
9layout(invocations = 2) in;
10
11void test() {
12    sk_Position = sk_in[0].sk_Position + float4(0.5, 0, 0, sk_InvocationID);
13    EmitVertex();
14}
15
16void main() {
17    test();
18    sk_Position = sk_in[0].sk_Position + float4(-0.5, 0, 0, sk_InvocationID);
19    EmitVertex();
20}
21