anv/x11: Reset the SHM fence before presenting the pixmap

This seems to fix the flicker issue that I was seeing with dota2

diff --git a/src/intel/vulkan/anv_wsi_x11.c b/src/intel/vulkan/anv_wsi_x11.c
index f9f72be154bef2b31a993f1bd7275ab63e91902f..9ef02961a93fd095c3107427be4b612b5a0b203c 100644 (file)
--- 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,