radeonsi/gfx10: enable NGG passthrough mode
This might improve performance, though I doubt it.
Rules: No LDS allowed, no culling allowed. GS VGPR0 is already packed for the prim export, so the shader doesn't have to do any packing.
This might improve performance, though I doubt it.
Rules: No LDS allowed, no culling allowed. GS VGPR0 is already packed for the prim export, so the shader doesn't have to do any packing.