the textures sampled from virtual texture collection are always blurry, it seems the virtual texture feedback is not taken effect to virtual texture collection
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Hi there! Virtual Texture Collections are rather new in their development. Please provide more information about how you are using Virtual Texture Collections and repro steps so we can take a closer look at whether there is a bug in the system or a missing feature.
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here is the test project: https://drive.google.com/file/d/1608joujYHqjJMq2AsTTu2LBQhGiB0iMt/view?usp\=drive\_link
I tried to fix the issue by add
ProducerDesc.bPersistentHighestMip = false;
to FVirtualTextureCollectionResource::InitRHI , it seems the mipmap is correct now
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Thank you for providing the test project and details - we’re taking a closer look.
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I’ve created the following Jira to track this issue which should be visible soon https://issues.unrealengine.com/issue/UE\-389329
In the second issue you mentioned above related to landscape materials and RVTs, does it make a difference whether ProducerDesc.bPersistentHighestMip is true or false?
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make a material used virtual texture collection (contains some VTs), apply this material to a mesh [Image Removed]
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[Image Removed]this is the VTC
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I met another problem, if I use VTCs in landscape material , then it will not be renderred correctly with RVT, the RVT seems black all the time
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no. it seems there is no feedback for VT in RVT page update
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the RVT seems black all the time
Can you show an example of how you are using VTCs in your landscape material? I was testing in latest and the landscape isn’t black, so there may be a related fix for this already but I wanted to confirm it’s the same use-case.
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