From: Brian Paul <brianp@vmware.com>
Date: Tue, 10 Nov 2015 21:49:01 +0000 (-0700)
Subject: st/wgl: add a lock assertion in stw_framebuffer_from_hwnd_locked()
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f45b644e11127e07fe909f418d1c0e2ca3285743;p=mesa.git

st/wgl: add a lock assertion in stw_framebuffer_from_hwnd_locked()

Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
---

diff --git a/src/gallium/state_trackers/wgl/stw_framebuffer.c b/src/gallium/state_trackers/wgl/stw_framebuffer.c
index 7d7248e0030..b49bc22e21f 100644
--- a/src/gallium/state_trackers/wgl/stw_framebuffer.c
+++ b/src/gallium/state_trackers/wgl/stw_framebuffer.c
@@ -55,6 +55,7 @@ stw_framebuffer_from_hwnd_locked(HWND hwnd)
    for (fb = stw_dev->fb_head; fb != NULL; fb = fb->next)
       if (fb->hWnd == hwnd) {
          stw_framebuffer_lock(fb);
+         assert(fb->mutex.RecursionCount == 1);
          return fb;
       }