diff options
| -rw-r--r-- | src/glsl/list.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/glsl/list.h b/src/glsl/list.h index 76477743106..69cf9935f86 100644 --- a/src/glsl/list.h +++ b/src/glsl/list.h @@ -165,6 +165,12 @@ struct exec_node { this->prev->next = before; this->prev = before; } + + /** + * Insert another list in the list before the current node + */ + void insert_before(class exec_list *before); + /** * Replace the current node with the given node. */ @@ -449,6 +455,23 @@ struct exec_list { #endif }; + +#ifdef __cplusplus +inline void exec_node::insert_before(exec_list *before) +{ + if (before->is_empty()) + return; + + before->tail_pred->next = this; + before->head->prev = this->prev; + + this->prev->next = before->head; + this->prev = before->tail_pred; + + before->make_empty(); +} +#endif + /** * This version is safe even if the current node is removed. */ |