yum-mirror/slang

Making it easier to work with shaders

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

kaizhangNVFixing the wrong implementation of some math intrinsic (#5491)53dd5928c

master
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1//TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute -shaderobj
2//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
3//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -shaderobj
4//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj
5//DISABLED_TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj
6//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-cuda -compute -shaderobj
7//TEST(compute):COMPARE_COMPUTE_EX:-wgpu -compute -shaderobj
8
9//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
10RWStructuredBuffer<int> outputBuffer;
11
12[numthreads(4, 1, 1)]
13void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
14{
15    int idx = int(dispatchThreadID.x);
16    
17    float f = idx * (1.0f / (4.0f));
18
19    float ft = 0.0f;
20    
21    // fmod
22    ft += int(((f % 0.11f) * 100) + 0.5);
23    
24    ft += sin(f);
25    ft += cos(f);
26    ft += tan(f);
27    
28    ft += asin(f);
29    ft += acos(f);
30    ft += atan(f);
31    
32    ft += length(f - 0.5);
33    
34    ft += atan2(f, 2.0);
35    
36    {
37        float sf, cf;
38        sincos(f, sf, cf);
39        
40        ft += sf;
41        ft += cf;
42    }
43    
44    ft += rcp(1.0 + f);
45    ft += sign(f - 0.5);
46    
47    ft += saturate(f * 4 - 2.0);
48    
49    ft += sqrt(f);
50    ft += rsqrt(1.0f + f);
51    
52    ft += exp2(f);
53    ft += exp(f);
54        
55        
56    ft += frac(f * 3);
57    ft += ceil(f * 5 - 3);
58    
59    ft += floor(f * 10 - 7);
60    ft += trunc(f * 7);
61     
62   
63    ft += log(f + 10.0);
64    ft += log2(f * 3 + 2);
65
66    {
67        float v[] = { 1, 10, 100, 1000 };
68        ft += int(log10(v[idx]) + 0.5f);
69    }
70       
71    ft += abs(f * 4 - 2.0f);
72    
73    ft += min(0.5, f);
74    ft += max(f, 0.75);
75
76    ft += pow(0.5, f);
77
78    ft += smoothstep(0.2, 0.7, f);
79    ft += lerp(-100, 100, f);
80
81
82    ft += clamp(f, 0.1, 0.3);
83
84    ft += step(f, 0.5);
85
86    int vi = asint(f - f) + idx;
87    
88    ft += float(vi);
89
90    ft += ldexp(23.2, f);
91
92    uint vu = asuint(f);
93    ft += asfloat(vu);
94    
95    outputBuffer[idx] = int(ft * 16);
96}