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vk: Add initial support for secondary command buffers

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This commit is contained in:
Jason Ekstrand
2015-07-30 11:36:48 -07:00
parent 5aee803b97
commit 21004f23bf
4 changed files with 117 additions and 17 deletions
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75
src/vulkan/anv_cmd_buffer.c
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@@ -303,6 +303,16 @@ anv_batch_bo_start(struct anv_batch_bo *bbo, struct anv_batch *batch,
bbo->relocs.num_relocs = 0;
}
static void
anv_batch_bo_continue(struct anv_batch_bo *bbo, struct anv_batch *batch,
size_t batch_padding)
{
batch->start = bbo->bo.map;
batch->next = bbo->bo.map + bbo->length;
batch->end = bbo->bo.map + bbo->bo.size - batch_padding;
batch->relocs = &bbo->relocs;
}
static void
anv_batch_bo_finish(struct anv_batch_bo *bbo, struct anv_batch *batch)
{
@@ -618,17 +628,74 @@ anv_cmd_buffer_end_batch_buffer(struct anv_cmd_buffer *cmd_buffer)
struct anv_batch_bo *surface_bbo =
anv_cmd_buffer_current_surface_bbo(cmd_buffer);
anv_batch_emit(&cmd_buffer->batch, GEN8_MI_BATCH_BUFFER_END);
if (cmd_buffer->level == VK_CMD_BUFFER_LEVEL_PRIMARY) {
anv_batch_emit(&cmd_buffer->batch, GEN8_MI_BATCH_BUFFER_END);
/* Round batch up to an even number of dwords. */
if ((cmd_buffer->batch.next - cmd_buffer->batch.start) & 4)
anv_batch_emit(&cmd_buffer->batch, GEN8_MI_NOOP);
/* Round batch up to an even number of dwords. */
if ((cmd_buffer->batch.next - cmd_buffer->batch.start) & 4)
anv_batch_emit(&cmd_buffer->batch, GEN8_MI_NOOP);
}
anv_batch_bo_finish(batch_bo, &cmd_buffer->batch);
surface_bbo->length = cmd_buffer->surface_next;
}
static inline VkResult
anv_cmd_buffer_add_seen_bbos(struct anv_cmd_buffer *cmd_buffer,
struct list_head *list)
{
list_for_each_entry(struct anv_batch_bo, bbo, list, link) {
struct anv_batch_bo **bbo_ptr = anv_vector_add(&cmd_buffer->seen_bbos);
if (bbo_ptr == NULL)
return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
*bbo_ptr = bbo;
}
return VK_SUCCESS;
}
void
anv_cmd_buffer_add_secondary(struct anv_cmd_buffer *primary,
struct anv_cmd_buffer *secondary)
{
if ((secondary->batch_bos.next == secondary->batch_bos.prev) &&
anv_cmd_buffer_current_batch_bo(secondary)->length < ANV_CMD_BUFFER_BATCH_SIZE / 2) {
/* If the secondary has exactly one batch buffer in its list *and*
* that batch buffer is less than half of the maximum size, we're
* probably better of simply copying it into our batch.
*/
anv_batch_emit_batch(&primary->batch, &secondary->batch);
} else {
struct list_head copy_list;
VkResult result = anv_batch_bo_list_clone(&secondary->batch_bos,
secondary->device,
&copy_list);
if (result != VK_SUCCESS)
return; /* FIXME */
anv_cmd_buffer_add_seen_bbos(primary, &copy_list);
struct anv_batch_bo *first_bbo =
list_first_entry(&copy_list, struct anv_batch_bo, link);
struct anv_batch_bo *last_bbo =
list_last_entry(&copy_list, struct anv_batch_bo, link);
cmd_buffer_chain_to_batch_bo(primary, first_bbo);
list_splicetail(&copy_list, &primary->batch_bos);
anv_batch_bo_continue(last_bbo, &primary->batch,
GEN8_MI_BATCH_BUFFER_START_length * 4);
anv_cmd_buffer_emit_state_base_address(primary);
}
/* Mark the surface buffer from the secondary as seen */
anv_cmd_buffer_add_seen_bbos(primary, &secondary->surface_bos);
}
static VkResult
anv_cmd_buffer_add_bo(struct anv_cmd_buffer *cmd_buffer,
struct anv_bo *bo,