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ScriptableRenderPipeline/HDRenderPipeline/Sky/ComputeGgxIblSampleData.compute

         {
             // We switch to the Golden sequence instead of the Fibonacci sequence
             // since the sample count is not guaranteed to be a Fibonacci number.
+            // TODO: might be interesting to try Mitchell's Poisson disk sampling algorithm.
+            // In our case, samples would not have disks associated with them, but rather solid angles.
             float2 u = Golden2dSeq(i, sampleCount);
             SampleGGXDir(u, V, k_identity3x3, roughness, localL, NdotL, NdotH, LdotH, true);