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nir: remove gl_PrimitiveID output from MS when it's not used in FS

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Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15340>
This commit is contained in:
Marcin Ślusarz
2022-03-11 11:01:38 +01:00
committed by Marge Bot
parent 65600a34c2
commit 9b23aaf3cf
1 changed files with 2 additions and 1 deletions
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src/compiler/nir/nir_linking_helpers.c
+2 -1
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@@ -148,7 +148,8 @@ nir_remove_unused_io_vars(nir_shader *shader,
used = used_by_other_stage;
if (var->data.location < VARYING_SLOT_VAR0 && var->data.location >= 0)
continue;
if (shader->info.stage != MESA_SHADER_MESH || var->data.location != VARYING_SLOT_PRIMITIVE_ID)
continue;
if (var->data.always_active_io)
continue;