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In4ceaed7839we made scratch surface state allocations part of the internal heap (mapped to STATE_BASE_ADDRESS::SurfaceStateBaseAddress) so that it doesn't uses slots in the application's expected 1M descriptors (especially with vkd3d-proton). But all our compiler code relies on BSS (STATE_BASE_ADDRESS::BindlessSurfaceStateBaseAddress). The additional issue is that there is only 26bits of surface offset available in CS instruction (CFE_STATE, 3DSTATE_VS, etc...) for scratch surfaces. So we need the drivers to put the scratch surfaces in the first chunk of STATE_BASE_ADDRESS::SurfaceStateBaseAddress (hence all the driver changes). Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Fixes:4ceaed7839("anv: split internal surface states from descriptors") Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/7687 Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19727>