#pragma kernel CSFindMinimum

Texture2D<float4> CameraDepthTexture;
Texture2D<float4> Mask;

RWStructuredBuffer<int> MinDepth;

[numthreads(8,8,1)]
void CSFindMinimum (uint3 id : SV_DispatchThreadID)
{
    InterlockedMin(MinDepth[0], (Mask[id.xy].r + CameraDepthTexture[id.xy].r) * 1024);
}