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"[@Santiblocks":](/images/2485851#comment_9362902
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They won't, not for the time being at least. AMD's raytracing support is dogshit compared to Nvidia's implementation. That being said Nvidia supports the Vulkan ray tracing extension which is cross platform and cross vendor so things just need to be using that. StuffOne likbenefit of OptiX though is it does allow for more Nvidia-specific functionality to be unlocked though which is yet not currently available in things like DXR or Vulkan (due to how long it takes to standardize new features), so that's why a lot of things use that as otherwise they'd miss out on those features. That'll probably change in time though hopefully, it just takes a lot more work to write all that themselves whereas something like OptiX does most the hard work for them.

"@Santiblocks":/images/2485851#comment_9362902
They won't, not for the time being at least. AMD's raytracing support is dogshit compared to Nvidia's implementation. That being said Nvidia supports the Vulkan ray tracing extension which is cross platform and cross vendor so things just need to be using that. Stuff like OptiX does allow for more Nvidia-specific functionality to be unlocked though which is not currently available in things like DXR or Vulkan (due to how long it takes to standardize new features), so that's why a lot of things use that. That'll probably change in time though hopefully, it just takes a lot more work to write all that themselves whereas something like OptiX does most the hard work for them.