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Add D3D12_Workgroup_Zoo unit tests for Quad Shuffle operations

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QuadReadLaneAt()
QuadReadAcrossDiagonal()
QuadReadAcrossX()
QuadReadAcrossY()
This commit is contained in:
Jake Turner
2025-04-06 14:02:56 +01:00
parent 7240cf8c57
commit 038aee2459
1 changed files with 23 additions and 3 deletions
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util/test/demos/d3d12/d3d12_subgroup_zoo.cpp
+23 -3
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@@ -90,14 +90,34 @@ struct IN
float4 main(IN input) : SV_Target0
{
uint wave = WaveGetLaneIndex();
uint subgroupId = WaveGetLaneIndex();
float4 pixdata = 0.0f.xxxx;
if(IsTest(1) || IsTest(2))
pixdata = float4(wave, 0, 0, 1);
{
pixdata = float4(subgroupId, 0, 0, 1);
}
else if(IsTest(4))
pixdata = float4(WaveActiveSum(wave), 0, 0, 0);
{
pixdata = float4(WaveActiveSum(subgroupId), 0, 0, 0);
}
else if(IsTest(5))
{
// QuadReadLaneAt : unit tests
pixdata.x = float(QuadReadLaneAt(subgroupId, 0));
pixdata.y = float(QuadReadLaneAt(subgroupId, 1));
pixdata.z = float(QuadReadLaneAt(subgroupId, 2));
pixdata.w = float(QuadReadLaneAt(subgroupId, 3));
}
else if(IsTest(6))
{
// QuadReadAcrossDiagonal, QuadReadAcrossX, QuadReadAcrossY: unit tests
pixdata.x = float(QuadReadAcrossDiagonal(subgroupId));
pixdata.y = float(QuadReadAcrossX(subgroupId));
pixdata.z = float(QuadReadAcrossY(subgroupId));
pixdata.w = QuadReadLaneAt(pixdata.x, 2);
}
return input.data + pixdata;
}