diff options
| -rw-r--r-- | src/intel/vulkan/anv_allocator.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/intel/vulkan/anv_allocator.c b/src/intel/vulkan/anv_allocator.c index fb283cc25d3..a74b8decd24 100644 --- a/src/intel/vulkan/anv_allocator.c +++ b/src/intel/vulkan/anv_allocator.c @@ -179,11 +179,22 @@ anv_free_list_pop(union anv_free_list *list, void **map, int32_t *offset) } static void -anv_free_list_push(union anv_free_list *list, void *map, int32_t offset) +anv_free_list_push(union anv_free_list *list, void *map, int32_t offset, + uint32_t size, uint32_t count) { union anv_free_list current, old, new; int32_t *next_ptr = map + offset; + /* If we're returning more than one chunk, we need to build a chain to add + * to the list. Fortunately, we can do this without any atomics since we + * own everything in the chain right now. `offset` is left pointing to the + * head of our chain list while `next_ptr` points to the tail. + */ + for (uint32_t i = 1; i < count; i++) { + VG_NOACCESS_WRITE(next_ptr, offset + i * size); + next_ptr = map + offset + i * size; + } + old = *list; do { current = old; @@ -755,10 +766,12 @@ anv_state_pool_free_no_vg(struct anv_state_pool *pool, struct anv_state state) if (state.offset < 0) { assert(state.alloc_size == pool->block_size); anv_free_list_push(&pool->back_alloc_free_list, - pool->block_pool.map, state.offset); + pool->block_pool.map, state.offset, + state.alloc_size, 1); } else { anv_free_list_push(&pool->buckets[bucket].free_list, - pool->block_pool.map, state.offset); + pool->block_pool.map, state.offset, + state.alloc_size, 1); } } |