Commit graph

2 commits

Author SHA1 Message Date
Mark Janes
4acea392af intel/compiler: drop unused ray-tracing fields from cache hash
The compiler only references `intel_device_info->subslice_masks` for
ray tracing workloads.  Platforms which lack raytracing support can
share a cache even if they differ on this field.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28311>
2024-03-22 00:01:28 +00:00
Mark Janes
c4ce1ca847 intel/compiler: generate a hash function to use with the shader cache
Currently, Intel's shader cache incorporates PCI ID into shader cache
keys.

Many devices with different PCI IDs have identical shader compilation
functionality.  Using PCI ID as a component of the shader cache hash
means that a multi-platform shader cache will have redundant,
identical entries for similar platforms.

All Intel compiler functionality is selected based on device
configuration in `struct intel_device_info`.  intel_device_info.py
flags all fields accessed by intel/compiler.

This commit generates a hash function incorporating intel/compiler
device info fields.  Using this hash function in place of PCI ID will
produce a multiplatform cache with no duplicated content.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26844>
2024-02-15 16:58:15 -08:00