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intel/nir: fix potential invalid function impl ptr usage

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We keep the nir_builder::impl value around, but we've run some passes
that might have change the main function.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 96fde5518b ("intel/rt: Add a helper to create the raygen trampoline shader")
Acked-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16970>
This commit is contained in:
Lionel Landwerlin 2022-04-21 07:32:51 -07:00 • committed by Marge Bot
parent 1ffd28149f
commit 8d580de4a9
1 changed files with 1 additions and 0 deletions
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src/intel/compiler/brw_nir_rt.c
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@ -489,6 +489,7 @@ brw_nir_create_raygen_trampoline(const struct brw_compiler *compiler,
NIR_PASS_V(nir, brw_nir_lower_rt_intrinsics, devinfo);
nir_builder_init(&b, nir_shader_get_entrypoint(b.shader));
/* brw_nir_lower_rt_intrinsics will leave us with a btd_global_arg_addr
* intrinsic which doesn't exist in compute shaders. We also created one
* above when we generated the BTD spawn intrinsic. Now we go through and