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-rw-r--r--src/compiler/nir/nir_builder.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h
index de5b6cee581..b245f48c96d 100644
--- a/src/compiler/nir/nir_builder.h
+++ b/src/compiler/nir/nir_builder.h
@@ -381,6 +381,29 @@ nir_store_var(nir_builder *build, nir_variable *var, nir_ssa_def *value,
nir_builder_instr_insert(build, &store->instr);
}
+static inline void
+nir_copy_deref_var(nir_builder *build, nir_deref_var *dest, nir_deref_var *src)
+{
+ assert(nir_deref_tail(&dest->deref)->type ==
+ nir_deref_tail(&src->deref)->type);
+
+ nir_intrinsic_instr *copy =
+ nir_intrinsic_instr_create(build->shader, nir_intrinsic_copy_var);
+ copy->variables[0] = nir_deref_as_var(nir_copy_deref(copy, &dest->deref));
+ copy->variables[1] = nir_deref_as_var(nir_copy_deref(copy, &src->deref));
+ nir_builder_instr_insert(build, &copy->instr);
+}
+
+static inline void
+nir_copy_var(nir_builder *build, nir_variable *dest, nir_variable *src)
+{
+ nir_intrinsic_instr *copy =
+ nir_intrinsic_instr_create(build->shader, nir_intrinsic_copy_var);
+ copy->variables[0] = nir_deref_var_create(copy, dest);
+ copy->variables[1] = nir_deref_var_create(copy, src);
+ nir_builder_instr_insert(build, &copy->instr);
+}
+
static inline nir_ssa_def *
nir_load_system_value(nir_builder *build, nir_intrinsic_op op, int index)
{