yum-mirror/slang

Making it easier to work with shaders

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

Jay Kwakmaxtessfactor attribute should take a floating point value (#6289)d8a8559a5

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1.6 KiB79 linesraw
1//DISABLED_TEST:COMPARE_HLSL: -profile sm_5_1 -entry HS -stage hull -entry DS -stage domain
2
3// tests/render/tess.hlsl
4
5// -profile vs_5_1 -o my-shader.vs.dxbc -entry VS -profile ps_5_1 -o my-shader.ps.dxbc -entry PS
6
7struct IA_OUTPUT
8{
9    float3 cpoint : CPOINT;
10};
11
12struct VS_OUTPUT
13{
14    float3 cpoint : CPOINT;
15};
16
17struct HS_CONSTANT_OUTPUT
18{
19    float edges[2] : SV_TessFactor;
20};
21
22struct HS_OUTPUT
23{
24    float3 cpoint : CPOINT;
25};
26
27struct DS_OUTPUT
28{
29    float4 position : SV_Position;
30};
31
32VS_OUTPUT VS(IA_OUTPUT input)
33{
34    VS_OUTPUT output;
35    output.cpoint = input.cpoint;
36    return output;
37}
38
39HS_CONSTANT_OUTPUT HSConst()
40{
41    HS_CONSTANT_OUTPUT output;
42
43    output.edges[0] = 1.0f; // Detail factor
44    output.edges[1] = 64.0f; // Density factor
45
46    return output;
47}
48
49[domain("isoline")]
50[partitioning("integer")]
51[outputtopology("line")]
52[outputcontrolpoints(4)]
53[maxtessfactor(16.0)]
54[patchconstantfunc("HSConst")]
55HS_OUTPUT HS(InputPatch<VS_OUTPUT, 4> ip, uint id : SV_OutputControlPointID)
56{
57    HS_OUTPUT output;
58    output.cpoint = ip[id].cpoint;
59    return output;
60}
61
62[domain("isoline")]
63DS_OUTPUT DS(HS_CONSTANT_OUTPUT input, OutputPatch<HS_OUTPUT, 4> op, float2 uv : SV_DomainLocation)
64{
65    DS_OUTPUT output;
66
67    float t = uv.x;
68
69    float3 pos = pow(1.0f - t, 3.0f) * op[0].cpoint + 3.0f * pow(1.0f - t, 2.0f) * t * op[1].cpoint + 3.0f * (1.0f - t) * pow(t, 2.0f) * op[2].cpoint + pow(t, 3.0f) * op[3].cpoint;
70
71    output.position = float4(pos, 1.0f);
72
73    return output;
74}
75
76float4 PS(DS_OUTPUT input) : SV_Target0
77{
78    return float4(0.0f, 0.0f, 0.0f, 1.0f);
79}