On Mon, Oct 17, 2016 at 10:35 AM, Jason Ekstrand wrote:
> This has two primary advantages. First, it means that the batch_chain code
> knows less about the actual command buffer contents which is good because
> improves separation. Second, it means that it only gets re-emitted once
> after all of the secondaries instead of once after each secondary which is
> just wasteful. It also has the advantage of cleaning the code up a bit.
>
> Signed-off-by: Jason Ekstrand
> ---
> src/intel/vulkan/anv_batch_chain.c | 6 --
> src/intel/vulkan/anv_cmd_buffer.c | 9 +
> 2 files changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/src/intel/vulkan/anv_batch_chain.c
> b/src/intel/vulkan/anv_batch_chain.c
> index a98a0a9..95854f4 100644
> --- a/src/intel/vulkan/anv_batch_chain.c
> +++ b/src/intel/vulkan/anv_batch_chain.c
> @@ -777,7 +777,6 @@ anv_cmd_buffer_add_secondary(struct anv_cmd_buffer
> *primary,
> switch (secondary->exec_mode) {
> case ANV_CMD_BUFFER_EXEC_MODE_EMIT:
>anv_batch_emit_batch(>batch, >batch);
> - anv_cmd_buffer_emit_state_base_address(primary);
>break;
> case ANV_CMD_BUFFER_EXEC_MODE_GROW_AND_EMIT: {
>struct anv_batch_bo *bbo = anv_cmd_buffer_current_batch_bo(primary);
> @@ -785,7 +784,6 @@ anv_cmd_buffer_add_secondary(struct anv_cmd_buffer
> *primary,
>anv_batch_bo_grow(primary, bbo, >batch, length,
> GEN8_MI_BATCH_BUFFER_START_length * 4);
>anv_batch_emit_batch(>batch, >batch);
> - anv_cmd_buffer_emit_state_base_address(primary);
>break;
> }
> case ANV_CMD_BUFFER_EXEC_MODE_CHAIN: {
> @@ -826,8 +824,6 @@ anv_cmd_buffer_add_secondary(struct anv_cmd_buffer
> *primary,
> p += CACHELINE_SIZE;
> }
>}
> -
> - anv_cmd_buffer_emit_state_base_address(primary);
>break;
> }
> case ANV_CMD_BUFFER_EXEC_MODE_COPY_AND_CHAIN: {
> @@ -851,8 +847,6 @@ anv_cmd_buffer_add_secondary(struct anv_cmd_buffer
> *primary,
>
>anv_batch_bo_continue(last_bbo, >batch,
> GEN8_MI_BATCH_BUFFER_START_length * 4);
> -
> - anv_cmd_buffer_emit_state_base_address(primary);
>break;
> }
> default:
> diff --git a/src/intel/vulkan/anv_cmd_buffer.c
> b/src/intel/vulkan/anv_cmd_buffer.c
> index 5bcd5e0..b55a070 100644
> --- a/src/intel/vulkan/anv_cmd_buffer.c
> +++ b/src/intel/vulkan/anv_cmd_buffer.c
> @@ -1180,6 +1180,15 @@ void anv_CmdExecuteCommands(
>
>anv_cmd_buffer_add_secondary(primary, secondary);
> }
> +
> + /* Each of the secondary command buffers will use its own state base
> +* address. We need to re-emit state base address for the primary after
> +* all of the secondaries are done.
> +*
> +* TODO: Maybe we want to make this a dirty bit to avoid extra state base
> +* address calls?
> +*/
> + anv_cmd_buffer_emit_state_base_address(primary);
> }
>
> VkResult anv_CreateCommandPool(
> --
> 2.5.0.400.gff86faf
>
> ___
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For the series:
Reviewed-by: Anuj Phogat
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