https://github.com/microsoft/DirectXTex/blob/4feb3e11a020f35b796fc769a74216a555d4f5ef/DirectXTex/Shaders/BC7Encode.hlsl#L1224 candidateSectionBit:count 64, candidateSectionBit2:count 64 minus 64 here causing memory exceed
DirectXTex/DirectXTex/Shaders/BC7Encode.hlsl
Line 1224 in 4feb3e1
candidateSectionBit:count 64, candidateSectionBit2:count 64
minus 64 here causing memory exceed