yum-mirror/slang

Making it easier to work with shaders

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

Anders LeinoRefresh of disabled WGPU tests (#5614)93f5d13fc

master
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1.3 KiB47 linesraw
1// atomics-groupshared.slang
2
3//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
4//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -shaderobj
5//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -vk -shaderobj
6//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -cuda -shaderobj
7//TEST(compute):COMPARE_COMPUTE:-slang -shaderobj -mtl
8// Not supported in WGSL: Use of traditional atomics intrinsics (InterlockedXXX functions)
9//DISABLE_TEST(compute):COMPARE_COMPUTE:-slang -shaderobj -wgpu
10
11//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
12
13RWStructuredBuffer<uint> outputBuffer;
14
15groupshared uint shared[4];
16
17uint test(uint val)
18{
19    uint originalValue;
20
21    shared[val] = 0;
22
23    GroupMemoryBarrierWithGroupSync();
24
25    uint originalSum = 0;
26
27    InterlockedAdd(shared[val],         val,         originalValue);
28    originalSum += originalValue;
29    
30    InterlockedAdd(shared[val ^ 1],     val*16,     originalValue);
31    originalSum += originalValue;
32    
33    InterlockedAdd(shared[val ^ 2],     val*16*16,     originalValue);
34    originalSum += originalValue;
35    
36    GroupMemoryBarrierWithGroupSync();
37
38    return shared[val] ^ originalSum;
39}
40
41[numthreads(4, 1, 1)]
42void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
43{
44    uint tid = dispatchThreadID.x;
45    uint val = test(tid);
46    outputBuffer[tid] = val;
47}