public static void Run(this ComputeShader shader, int numIterationsX, int numIterationsY = 1, int numIterationsZ = 1, int kernelIndex = 0)
{
var threadGroupSize = shader.GetThreadGroupSizes(kernelIndex);
int numGroupsX = Mathf.CeilToInt(numIterationsX / (float)threadGroupSize.x);
int numGroupsY = Mathf.CeilToInt(numIterationsY / (float)threadGroupSize.y);
int numGroupsZ = Mathf.CeilToInt(numIterationsZ / (float)threadGroupSize.y);
shader.Dispatch(kernelIndex, numGroupsX, numGroupsY, numGroupsZ);
}
