yum-mirror/slang

Making it easier to work with shaders

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

James Helferty (NVIDIA)render-test: Change D3D12 default to sm_6_5 (#8320)f02b08490

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1//TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute -shaderobj
2// No support for uint64_t on DX11
3//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
4// No support for uint64_t on fxc - we need SM6.0 and dxil
5// https://docs.microsoft.com/en-us/windows/win32/direct3dhlsl/hlsl-shader-model-6-0-features-for-direct3d-12
6//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -shaderobj
7//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -profile cs_6_0 -shaderobj -render-feature hardware-device
8//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -render-feature int64
9//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-cuda -compute -shaderobj
10//TEST(compute, metal):COMPARE_COMPUTE_EX:-slang -compute -mtl
11
12//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
13RWStructuredBuffer<int> outputBuffer;
14
15[numthreads(4, 1, 1)]
16void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
17{    
18    uint64_t idx = dispatchThreadID.x;
19    
20    uint64_t ti = 0;
21   
22    ti += max(2, idx);
23    ti += min(idx, 1ull); 
24    ti += clamp(idx * 10, 11, 23);
25    
26    ti += countbits(uint(idx * 13));
27   
28    // Math
29    ti = ti - idx;
30    ti = ti + (ti % (idx + 5));
31    ti = ti + (ti / (idx + 20));
32
33    // Logical ops
34    ti = ti | idx;
35    ti = ti ^ (idx & (idx + 1));
36    
37    // Shift
38    ti = ti + (idx >> 1);
39    ti = ti + (idx << 2);
40   
41    uint64_t v = uint64_t(ti) * 0x8000100354354354ull; 
42    // Let's check all the bits make it
43    uint64_t u = v | 0x8000000000000000ull;
44    
45    v = max(u, v);
46      
47    outputBuffer[dispatchThreadID.x] = int(v) ^ int(v >> 32); 
48}