yum-mirror/slang

Making it easier to work with shaders

git clone https://git.yummers.dev/yum-mirror/slang

ArielG-NVCapability System: Implicit capability upgrade warning/error (#4241)8813c6105

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1// nested-component-write.slang
2
3// This tests that writing to individual components nested structs works for
4// mesh shader outputs.
5
6//TEST:CROSS_COMPILE:-target spirv -profile glsl_450+GL_EXT_mesh_shader -entry main -stage mesh
7
8struct Foo
9{
10    float4 pos : SV_Position;
11    Bar bar;
12};
13
14struct Bar
15{
16    Baz baz : Color;
17};
18
19struct Baz
20{
21    float3 color;
22};
23
24struct Vertex
25{
26    Foo foo;
27};
28
29const static uint MAX_VERTS = 3;
30const static uint MAX_PRIMS = 1;
31
32[outputtopology("triangle")]
33[numthreads(3, 1, 1)]
34void main(
35    in uint tig : SV_GroupIndex,
36    OutputVertices<Vertex, MAX_VERTS> verts,
37    OutputIndices<uint3, MAX_PRIMS> triangles
38    )
39{
40    SetMeshOutputCounts(3, 1);
41
42    if(tig < 3) {
43        verts[tig].foo.pos = float4(0, 0, 0, 1);
44        verts[tig].foo.bar.baz.color = float3(1, 2, 3);
45    }
46
47    if(tig < 1) {
48        triangles[tig] = uint3(0,1,2);
49    }
50}
51