diff options
| author | Matt Turner <mattst88@gmail.com> | 2014-12-30 16:14:25 -0800 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2015-01-23 17:57:39 -0800 |
| commit | 579157e6c1a30fbe11af4b936c23f2e3a784c5da (patch) | |
| tree | b11d6e16d57772ef50d58af5e9378910320b96ae /src/glsl | |
| parent | c638ea3d19d46cfe65739af2c78373146ed50737 (diff) | |
glsl: Add a foreach_in_list_reverse_safe macro.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Diffstat (limited to 'src/glsl')
| -rw-r--r-- | src/glsl/list.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/glsl/list.h b/src/glsl/list.h index 330c17e378b..85368a4e6c4 100644 --- a/src/glsl/list.h +++ b/src/glsl/list.h @@ -636,6 +636,12 @@ inline void exec_node::insert_before(exec_list *before) __next != NULL; \ __node = __next, __next = (__type *)__next->next) +#define foreach_in_list_reverse_safe(__type, __node, __list) \ + for (__type *__node = (__type *)(__list)->tail_pred, \ + *__prev = (__type *)__node->prev; \ + __prev != NULL; \ + __node = __prev, __prev = (__type *)__prev->prev) + #define foreach_in_list_use_after(__type, __inst, __list) \ __type *(__inst); \ for ((__inst) = (__type *)(__list)->head; \ |