This allows iterating list nodes from a given start point instead of
necessarily the list head.
Signed-off-by: Robert Bragg <rob...@sixbynine.org>
---
src/compiler/glsl/list.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/compiler/glsl/list.h b/src/compiler/glsl/list.h
index 6afb9dcef9..47f53b865b 100644
--- a/src/compiler/glsl/list.h
+++ b/src/compiler/glsl/list.h
@@ -699,6 +699,11 @@ inline void exec_node::insert_before(exec_list *before)
(__node)->__field.next != NULL; \
(__node) = exec_node_data(__type, (__node)->__field.next, __field))
+#define foreach_list_typed_from(__type, __node, __field, __list, __start) \
+ for (__type * __node = exec_node_data(__type, (__start), __field); \
+ (__node)->__field.next != NULL; \
+ (__node) = exec_node_data(__type, (__node)->__field.next, __field))
+
#define foreach_list_typed_reverse(__type, __node, __field, __list) \
for (__type * __node = \
exec_node_data(__type, (__list)->tail_sentinel.prev, __field); \
--
2.11.1
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