From 753ebe4457444e13124eba1e2e2e07edc9ab3c09 Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Fri, 11 Mar 2016 17:22:44 -0800
Subject: [PATCH] anv/x11: Reset the SHM fence before presenting the pixmap

This seems to fix the flicker issue that I was seeing with dota2
---
 src/intel/vulkan/anv_wsi_x11.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/intel/vulkan/anv_wsi_x11.c b/src/intel/vulkan/anv_wsi_x11.c
index f9f72be154b..9ef02961a93 100644
--- a/src/intel/vulkan/anv_wsi_x11.c
+++ b/src/intel/vulkan/anv_wsi_x11.c
@@ -548,6 +548,8 @@ x11_queue_present(struct anv_swapchain *anv_chain,
 
    options |= XCB_PRESENT_OPTION_ASYNC;
 
+   xshmfence_reset(image->shm_fence);
+
    xcb_void_cookie_t cookie =
       xcb_present_pixmap(chain->conn,
                          chain->window,
-- 
2.30.2