util: move brw_env_var_as_boolean() to util

Kind of a handy function.  And I'll want it available outside of i965
for common nir-pass helpers.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Nicolai Hähnle <nhaehnle@gmail.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_nir.c b/src/mesa/drivers/dri/i965/brw_nir.c
index 91358d8..5d9a2fe 100644
--- a/src/mesa/drivers/dri/i965/brw_nir.c
+++ b/src/mesa/drivers/dri/i965/brw_nir.c
@@ -171,12 +171,14 @@ brw_nir_lower_outputs(nir_shader *nir, bool is_scalar)
    }
 }
 
+#include "util/debug.h"
+
 static bool
 should_clone_nir()
 {
    static int should_clone = -1;
    if (should_clone < 1)
-      should_clone = brw_env_var_as_boolean("NIR_TEST_CLONE", false);
+      should_clone = env_var_as_boolean("NIR_TEST_CLONE", false);
 
    return should_clone;
 }