mesa/st: make sure we remove dead IO variables before handing NIR to backends

[mesa.git] / src / mesa / state_tracker / st_glsl_to_nir.cpp

diff --git a/src/mesa/state_tracker/st_glsl_to_nir.cpp b/src/mesa/state_tracker/st_glsl_to_nir.cpp
index 5aa47a42b2ad81dd5f7046211b1381fb0e3b5b90..6cadf15d6df87019bb039edbb9531ac23688a673 100644 (file)
--- a/src/mesa/state_tracker/st_glsl_to_nir.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_nir.cpp
@@ -493,7 +493,8 @@ st_glsl_to_nir_post_opts(struct st_context *st, struct gl_program *prog,
          st_nir_opts(nir);
    }
 
-   nir_variable_mode mask = nir_var_function_temp;
+   nir_variable_mode mask = (nir_variable_mode)
+      (nir_var_shader_in | nir_var_shader_out | nir_var_function_temp );
    nir_remove_dead_variables(nir, mask);
 
    NIR_PASS_V(nir, nir_lower_atomics_to_ssbo,