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vk/cmd_buffer: Split batch chaining into a helper function

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This commit is contained in:
Jason Ekstrand
2015-07-30 11:34:58 -07:00
parent 0c4a2dab7e
commit 5aee803b97
1 changed files with 27 additions and 17 deletions
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44
src/vulkan/anv_cmd_buffer.c
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@@ -385,12 +385,36 @@ anv_cmd_buffer_current_surface_relocs(struct anv_cmd_buffer *cmd_buffer)
return &anv_cmd_buffer_current_surface_bbo(cmd_buffer)->relocs;
}
static void
cmd_buffer_chain_to_batch_bo(struct anv_cmd_buffer *cmd_buffer,
struct anv_batch_bo *bbo)
{
struct anv_batch *batch = &cmd_buffer->batch;
struct anv_batch_bo *current_bbo =
anv_cmd_buffer_current_batch_bo(cmd_buffer);
/* We set the end of the batch a little short so we would be sure we
* have room for the chaining command. Since we're about to emit the
* chaining command, let's set it back where it should go.
*/
batch->end += GEN8_MI_BATCH_BUFFER_START_length * 4;
assert(batch->end == current_bbo->bo.map + current_bbo->bo.size);
anv_batch_emit(batch, GEN8_MI_BATCH_BUFFER_START,
GEN8_MI_BATCH_BUFFER_START_header,
._2ndLevelBatchBuffer = _1stlevelbatch,
.AddressSpaceIndicator = ASI_PPGTT,
.BatchBufferStartAddress = { &bbo->bo, 0 },
);
anv_batch_bo_finish(current_bbo, batch);
}
static VkResult
anv_cmd_buffer_chain_batch(struct anv_batch *batch, void *_data)
{
struct anv_cmd_buffer *cmd_buffer = _data;
struct anv_batch_bo *new_bbo, *old_bbo =
anv_cmd_buffer_current_batch_bo(cmd_buffer);
struct anv_batch_bo *new_bbo;
VkResult result = anv_batch_bo_create(cmd_buffer->device, &new_bbo);
if (result != VK_SUCCESS)
@@ -403,21 +427,7 @@ anv_cmd_buffer_chain_batch(struct anv_batch *batch, void *_data)
}
*seen_bbo = new_bbo;
/* We set the end of the batch a little short so we would be sure we
* have room for the chaining command. Since we're about to emit the
* chaining command, let's set it back where it should go.
*/
batch->end += GEN8_MI_BATCH_BUFFER_START_length * 4;
assert(batch->end == old_bbo->bo.map + old_bbo->bo.size);
anv_batch_emit(batch, GEN8_MI_BATCH_BUFFER_START,
GEN8_MI_BATCH_BUFFER_START_header,
._2ndLevelBatchBuffer = _1stlevelbatch,
.AddressSpaceIndicator = ASI_PPGTT,
.BatchBufferStartAddress = { &new_bbo->bo, 0 },
);
anv_batch_bo_finish(old_bbo, batch);
cmd_buffer_chain_to_batch_bo(cmd_buffer, new_bbo);
list_addtail(&new_bbo->link, &cmd_buffer->batch_bos);