yum-mirror/slang

Making it easier to work with shaders

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

Jay KwakRe-enable spirv-validation, because the issue is no longer repro (#7082)dd275dd95

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1.1 KiB58 linesraw
1//TEST:SIMPLE(filecheck=CHECK): -target spirv -emit-spirv-directly
2
3// CHECK: OpEntryPoint
4
5const static float2 positions[3] = {
6  float2(0.0, -0.5),
7  float2(0.5, 0.5),
8  float2(-0.5, 0.5)
9};
10
11const static float3 colors[3] = {
12  float3(1.0, 1.0, 0.0),
13  float3(0.0, 1.0, 1.0),
14  float3(1.0, 0.0, 1.0)
15};
16
17struct Vertex
18{
19    float4 pos : SV_Position;
20    float3 color;
21};
22
23const static uint MAX_VERTS = 3;
24const static uint MAX_PRIMS = 1;
25
26[outputtopology("triangle")]
27[numthreads(3, 1, 1)]
28[shader("mesh")]
29void entry_mesh(
30    in uint tig : SV_GroupIndex,
31    out vertices Vertex verts[MAX_VERTS],
32    out indices uint3 triangles[MAX_PRIMS])
33{
34    const uint numVertices = 3;
35    const uint numPrimitives = 1;
36    SetMeshOutputCounts(numVertices, numPrimitives);
37
38    if(tig < numVertices) {
39        verts[tig] = {float4(positions[tig], 0, 1), colors[tig]};
40    }
41
42    if(tig < numPrimitives) {
43        triangles[tig] = uint3(0,1,2);
44    }
45}
46
47struct FragmentOut
48{
49    [[vk::location(0)]] float3 color;
50};
51
52[shader("fragment")]
53FragmentOut entry_fragment(in Vertex vertex)
54{
55    FragmentOut frag_out;
56    frag_out.color = float3(1,1,1);
57    return frag_out;
58}