[Mesa-dev] [PATCH] nir: add/export nir_variable_clone()

[Rob Clark]

From: Rob Clark <robclark at freedesktop.org>

Signed-off-by: Rob Clark <robclark at freedesktop.org>
---
 src/compiler/nir/nir.h       |  1 +
 src/compiler/nir/nir_clone.c | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 69a3084..724aa77 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -2053,6 +2053,7 @@ void nir_print_instr(const nir_instr *instr, FILE *fp);
 
 nir_shader * nir_shader_clone(void *mem_ctx, const nir_shader *s);
 nir_function_impl *nir_function_impl_clone(const nir_function_impl *fi);
+nir_variable * nir_variable_clone(nir_variable *var);
 
 #ifdef DEBUG
 void nir_validate_shader(nir_shader *shader);
diff --git a/src/compiler/nir/nir_clone.c b/src/compiler/nir/nir_clone.c
index 7444dfe..03b4fbd 100644
--- a/src/compiler/nir/nir_clone.c
+++ b/src/compiler/nir/nir_clone.c
@@ -149,6 +149,22 @@ clone_variable(clone_state *state, const nir_variable *var)
    return nvar;
 }
 
+nir_variable *
+nir_variable_clone(nir_variable *var)
+{
+   clone_state state;
+   init_clone_state(&state, false);
+
+   /* We use the same shader */
+   state.ns = ralloc_parent(var);
+
+   nir_variable *nvar = clone_variable(&state, var);
+
+   free_clone_state(&state);
+
+   return nvar;
+}
+
 /* clone list of nir_variable: */
 static void
 clone_var_list(clone_state *state, struct exec_list *dst,
-- 
2.5.0