[PATCH 4/5] wined3d: Check the return value of wglDeleteContext() in context_destroy_gl_resources().

[Henri Verbeet]

---
 dlls/wined3d/context.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/dlls/wined3d/context.c b/dlls/wined3d/context.c
index cd791c8..aa1518e 100644
--- a/dlls/wined3d/context.c
+++ b/dlls/wined3d/context.c
@@ -705,7 +705,11 @@ static void context_destroy_gl_resources(struct wined3d_context *context)
         ReleaseDC(context->win_handle, context->hdc);
     }
 
-    pwglDeleteContext(context->glCtx);
+    if (!pwglDeleteContext(context->glCtx))
+    {
+        DWORD err = GetLastError();
+        ERR("wglDeleteContext(%p) failed, last error %#x.\n", context->glCtx, err);
+    }
 }
 
 DWORD context_get_tls_idx(void)
-- 
1.6.0.6