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//TEST:SIMPLE(filecheck=CHECK): -target spirv -profile glsl_450 -stage compute -entry MainCs -line-directive-mode none
//TEST:SIMPLE(filecheck=CHECK): -target spirv -profile glsl_450 -stage compute -entry MainCs -line-directive-mode none -minimum-slang-optimization
//CHECK: {{.*}} OpAtomicIAdd
RWBuffer<uint> g_InterlockTest;
[numthreads(1,1,1)]
void MainCs( uint2 dispatchThreadID : SV_DispatchThreadID, uint2 groupThreadID : SV_GroupThreadID )
{
uint nVertexCount = 41;
uint nVertexBufferSize = 40;
uint nVertex = 3;
InterlockedAdd( g_InterlockTest[ 0 ], nVertexCount, nVertex );
// Did we overflow?
if ( nVertex + nVertexCount > nVertexBufferSize )
{
InterlockedAdd( g_InterlockTest[ 0 ], -int(nVertexCount) );
}
}
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