There is a function dedicated to demoting unused varyings lets
trust it to do its job.
---
src/glsl/link_varyings.cpp | 5 -----
1 file changed, 5 deletions(-)
diff --git a/src/glsl/link_varyings.cpp b/src/glsl/link_varyings.cpp
index 9fe05ca..961c3d7 100644
--- a/src/glsl/link_varyings.cpp
+++ b/src/glsl/link_varyings.cpp
@@ -1680,11 +1680,6 @@ assign_varying_locations(struct gl_context *ctx,
var->name,
_mesa_shader_stage_to_string(producer->Stage));
}
-
- /* An 'in' variable is only really a shader input if its
- * value is written by the previous stage.
- */
- var->data.mode = ir_var_auto;
}
}
}
--
2.4.3
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