[PATCH 3/3] wined3d: Add a comment about reset during focus change.
Stefan Dösinger
stefan at codeweavers.com
Mon Dec 1 15:46:48 CST 2014
---
dlls/wined3d/swapchain.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/dlls/wined3d/swapchain.c b/dlls/wined3d/swapchain.c
index 362f0ae..89f83ea 100644
--- a/dlls/wined3d/swapchain.c
+++ b/dlls/wined3d/swapchain.c
@@ -1176,6 +1176,11 @@ void swapchain_update_draw_bindings(struct wined3d_swapchain *swapchain)
void wined3d_swapchain_activate(struct wined3d_swapchain *swapchain, BOOL activate)
{
+ /* This code is not protected by the wined3d mutex, so it may run while
+ * wined3d_device_reset is active. Testing on Windows shows that changing
+ * focus during resets and resetting during focus change events causes
+ * the application to crash with an invalid memory access. */
+
if (activate)
{
if (!(swapchain->device->create_parms.flags & WINED3DCREATE_NOWINDOWCHANGES))
--
2.0.4
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