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optix

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devshgraphicsprogramming
devshgraphicsprogramming commented Nov 3, 2021

Description

Right now the MDI ranges are not compacted (having the drawcalls with 0 instances removed).

But the DrawIndirectAllocator and all the resources in on the C++ side are already setup for this

Solution proposal

An additional Dispatch (direct, cause you can have a list of MDIs up front) over the drawcalls that prefix sums their boolean instanceCount!=0u flag

Then another

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