From 22a028ea992d0ef037c7ed64f3c1dc69df832c1c Mon Sep 17 00:00:00 2001
From: Konstantin Seurer <konstantin.seurer@gmail.com>
Date: Thu, 2 Feb 2023 16:00:24 +0100
Subject: [PATCH] radv: Implement ordered compute dispatches

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21071>
---
 src/amd/vulkan/radv_cmd_buffer.c | 3 +++
 src/amd/vulkan/radv_private.h    | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 7198b604542..8802525ade5 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -9561,6 +9561,9 @@ radv_emit_dispatch_packets(struct radv_cmd_buffer *cmd_buffer,
       dispatch_initiator |= S_00B800_CS_W32_EN(1);
    }
 
+   if (info->ordered)
+      dispatch_initiator &= ~S_00B800_ORDER_MODE(1);
+
    if (info->va) {
       if (info->indirect)
          radv_cs_add_buffer(ws, cs, info->indirect);
diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
index f6d7c692edb..127897e35ca 100644
--- a/src/amd/vulkan/radv_private.h
+++ b/src/amd/vulkan/radv_private.h
@@ -1705,6 +1705,11 @@ struct radv_dispatch_info {
     */
    bool unaligned;
 
+   /**
+    * Whether waves must be launched in order.
+    */
+   bool ordered;
+
    /**
     * Indirect compute parameters resource.
     */