yum-mirror/slang

Making it easier to work with shaders

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

Tim FoleyConvert more tests to use shader objects (#1659)2a5d5b323

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1//TEST(compute):COMPARE_COMPUTE: -shaderobj
2//TEST(compute):COMPARE_COMPUTE:-cpu -shaderobj
3
4//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
5RWStructuredBuffer<float> outputBuffer;
6
7struct DisneyBRDFPattern
8{
9    float3 baseColor;
10    float3 normal;
11    float specular, metallic, roughness;
12    float opacity;
13    float3 emmissive;
14    float ambientOcclusion;  
15};
16
17struct VertexPosition
18{
19    float3 pos;
20    float3 normal;
21    float2 uv;
22};
23
24struct CameraView
25{
26    float3 camPos;
27    float3 camDir;
28};
29
30interface IVertexInterpolant
31{
32    float4 getVertexColor(int index);
33    int getVertexColorCount();
34    float2 getUV(int index);
35    int getUVCount();
36}
37
38interface IDisneyBRDFPattern
39{
40    __generic<TVertexInterpolant:IVertexInterpolant>
41    DisneyBRDFPattern evalPattern(
42        CameraView cam, 
43        VertexPosition vWorld,  
44        VertexPosition vObject, 
45        TVertexInterpolant interpolants);
46}
47
48struct StandardVertexInterpolant : IVertexInterpolant
49{
50    float4 getVertexColor(int index) { return float4(0.0); }
51    int getVertexColorCount() { return 0;}
52    float2 getUV(int index) { return float2(0.0); }
53    int getUVCount() {return 1; }
54};
55
56struct MaterialPattern1 : IDisneyBRDFPattern
57{
58    __generic<TVertexInterpolant:IVertexInterpolant>
59    DisneyBRDFPattern evalPattern(
60        CameraView cam, 
61        VertexPosition vWorld,  
62        VertexPosition vObject, 
63        TVertexInterpolant interpolants)
64    {
65        DisneyBRDFPattern rs;
66        rs.baseColor = float3(0.5);
67        rs.opacity = 1.0;
68        return rs;
69    }
70};
71
72__generic<TVertexInterpolant:IVertexInterpolant, TPattern : IDisneyBRDFPattern>
73float test(TVertexInterpolant vertInterps, TPattern pattern)
74{
75    CameraView cam;
76    VertexPosition vW, vO;
77    DisneyBRDFPattern rs = pattern.evalPattern(cam, vW, vO, vertInterps);    
78    return rs.baseColor.x;
79}
80[numthreads(4, 1, 1)]
81void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
82{
83    StandardVertexInterpolant vertInterp;
84    MaterialPattern1 mp1;
85	float outVal = test<StandardVertexInterpolant, MaterialPattern1>(vertInterp, mp1);
86	outputBuffer[dispatchThreadID.x] = outVal;
87}