> none of the major APIs expose a 1-bit texture format AFAIK so R8 would be the next best thing I think the next best thing is BC4. The compressed format store

> none of the major APIs expose a 1-bit texture format AFAIK so R8 would be the next best thing I think the next best thing is BC4. The compressed format stores 8 bits/pixels grayscale texture compressed into 8 bytes / 4x4 pixels i.e. 4 bits/pixel, twice smaller compared to R8. https://learn.microsoft.com/en-us/windows/win32/direct3d10/d3d10-graphics-programming-guide-resources-block-compression#bc4 https://learn.microsoft.com/en-us/windows/win32/direct3d10/d...