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shuffl2me
Adept III

SM6.0 broken on AMD?

hi all, currently building a game in unreal and have decided to start using Shader model 6.0. instead of 5.0 and learn about virtual Shadow maps.

shuffl2me_0-1668884164463.pngshuffl2me_1-1668884205208.png

shuffl2me_2-1668884222252.png

after checking with the Unreal community, it appears to be a driver issue with AMD, a few other have managed to DDU their GPU drivers and reinstall to solve the issue. this has not been the case for me. after 22 DDU's and 2 reinstalls i still have this issue making shader model 6.0 unusable

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You might want to try post your question at AMD Developer's Forum since this concerns programing. Start here first: https://community.amd.com/t5/newcomers-start-here/bd-p/newcomer-forum

According to this thread at Newcomers where the Moderator gave access to OpenGL/Vulkan Forum for the same issue. The OP mentioned a Shader Bug with AMD Driver: https://community.amd.com/t5/newcomers-start-here/issue-confirmed/m-p/552915#M2198

Screenshot 2022-11-16 175131.png

The link from above about the Shader Bug: https://community.amd.com/t5/opengl-vulkan/shader-buffer-access-bug/m-p/542760#M4290

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