diff options
Diffstat (limited to 'src/vulkan/anv_cmd_buffer.c')
| -rw-r--r-- | src/vulkan/anv_cmd_buffer.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/vulkan/anv_cmd_buffer.c b/src/vulkan/anv_cmd_buffer.c index ee79e1b4924..35540763d08 100644 --- a/src/vulkan/anv_cmd_buffer.c +++ b/src/vulkan/anv_cmd_buffer.c @@ -319,6 +319,44 @@ anv_batch_bo_destroy(struct anv_batch_bo *bbo, struct anv_device *device) anv_device_free(device, bbo); } +static VkResult +anv_batch_bo_list_clone(const struct list_head *list, struct anv_device *device, + struct list_head *new_list) +{ + VkResult result = VK_SUCCESS; + + list_inithead(new_list); + + struct anv_batch_bo *prev_bbo = NULL; + list_for_each_entry(struct anv_batch_bo, bbo, list, link) { + struct anv_batch_bo *new_bbo; + result = anv_batch_bo_clone(device, bbo, &new_bbo); + if (result != VK_SUCCESS) + break; + list_addtail(&new_bbo->link, new_list); + + if (prev_bbo) { + /* As we clone this list of batch_bo's, they chain one to the + * other using MI_BATCH_BUFFER_START commands. We need to fix up + * those relocations as we go. Fortunately, this is pretty easy + * as it will always be the last relocation in the list. + */ + uint32_t last_idx = prev_bbo->relocs.num_relocs - 1; + assert(prev_bbo->relocs.reloc_bos[last_idx] == &bbo->bo); + prev_bbo->relocs.reloc_bos[last_idx] = &new_bbo->bo; + } + + prev_bbo = new_bbo; + } + + if (result != VK_SUCCESS) { + list_for_each_entry_safe(struct anv_batch_bo, bbo, new_list, link) + anv_batch_bo_destroy(bbo, device); + } + + return result; +} + /*-----------------------------------------------------------------------* * Functions related to anv_batch_bo *-----------------------------------------------------------------------*/ |