Henri Verbeet : wined3d: Only flush valid contexts in wined3d_cs_exec_flush().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6a5c37254194aaed783b219957e6f204b2d674de
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=6a5c37254194aaed783b219957e6f204b2d674de

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Wed Aug  2 18:40:33 2017 +0200

wined3d: Only flush valid contexts in wined3d_cs_exec_flush().

Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/wined3d/cs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/cs.c b/dlls/wined3d/cs.c
index c7df670..c785b72 100644
--- a/dlls/wined3d/cs.c
+++ b/dlls/wined3d/cs.c
@@ -830,7 +830,8 @@ static void wined3d_cs_exec_flush(struct wined3d_cs *cs, const void *data)
     struct wined3d_context *context;
 
     context = context_acquire(cs->device, NULL, 0);
-    context->gl_info->gl_ops.gl.p_glFlush();
+    if (context->valid)
+        context->gl_info->gl_ops.gl.p_glFlush();
     context_release(context);
 }