Connor Abbott
abcfb64370
I had missed that LDC actually uses vec4 units for its offset. This means that we have to create a new instruction, and lower it in ir3_nir_lower_io_offsets, similar to the existing SSBO instructions. Unfortunately we can't assume that loads are always vec4-aligned, so we have to use the alignment information that NIR gives us. Unfortunately, it's currently woefully inadequate, and will have to be fixed to give us good codegen in the future. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4568>
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