Omar Emara
c3cc8d2f6a
This patch implements the Streaks Glare node. Which is an approximation to the existing implementation in the CPU compositor. The difference due to the approximation is bearily visible in artificial test cases, but is less visible in actual use cases. Since the difference is rather similar to that we discussed in the Simple Star mode, the decision to allow that difference would probably hold here. For the future, we can look into approximating this further using a closed form IIR recursive filter with parallel interconnection and block-based parallelism. That's because the streak filter is already very similar to the causal pass of a fourth order recursive filter, just with exponential steps. Differential Revision: https://developer.blender.org/D16789 Reviewed By: Clement Foucault
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