From c367bd0ee3e0eff52a01591d39c93b3c55cb9624 Mon Sep 17 00:00:00 2001
From: Iago Toral Quiroga <itoral@igalia.com>
Date: Wed, 13 Apr 2022 10:40:54 +0200
Subject: [PATCH] v3dv: ignore no-op barriers
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Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16235>
---
 src/broadcom/vulkan/v3dv_cmd_buffer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/broadcom/vulkan/v3dv_cmd_buffer.c b/src/broadcom/vulkan/v3dv_cmd_buffer.c
index e60adf1af3b..ea4e9a5e820 100644
--- a/src/broadcom/vulkan/v3dv_cmd_buffer.c
+++ b/src/broadcom/vulkan/v3dv_cmd_buffer.c
@@ -2650,6 +2650,9 @@ v3dv_CmdPipelineBarrier(VkCommandBuffer commandBuffer,
 {
    V3DV_FROM_HANDLE(v3dv_cmd_buffer, cmd_buffer, commandBuffer);
 
+   if (memoryBarrierCount + bufferBarrierCount + imageBarrierCount == 0)
+      return;
+
    /* We only care about barriers between GPU jobs */
    if (srcStageMask == VK_PIPELINE_STAGE_HOST_BIT ||
        dstStageMask == VK_PIPELINE_STAGE_HOST_BIT) {