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anv: make shader cache content deterministic

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Pointer values in shader cache data generate binary differences for
functionally identical shader content.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25923>
This commit is contained in:
Mark Janes
2023-09-20 15:17:00 -07:00
committed by Marge Bot
parent f0f0bce314
commit a1e6879021
1 changed files with 8 additions and 1 deletions
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9
src/intel/vulkan/anv_pipeline_cache.c
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@@ -218,7 +218,14 @@ anv_shader_bin_serialize(struct vk_pipeline_cache_object *object,
blob_write_bytes(blob, shader->kernel.map, shader->kernel_size);
blob_write_uint32(blob, shader->prog_data_size);
blob_write_bytes(blob, shader->prog_data, shader->prog_data_size);
union brw_any_prog_data prog_data;
assert(shader->prog_data_size <= sizeof(prog_data));
memcpy(&prog_data, shader->prog_data, shader->prog_data_size);
prog_data.base.relocs = NULL;
prog_data.base.param = NULL;
blob_write_bytes(blob, &prog_data, shader->prog_data_size);
blob_write_bytes(blob, shader->prog_data->relocs,
shader->prog_data->num_relocs *
sizeof(shader->prog_data->relocs[0]));