Zebediah Figura : xinput: Avoid calling XInputGetStateEx() in XInputGetState().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b72da1fdef65ced62c8d7bf6813cc11ca364528c
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=b72da1fdef65ced62c8d7bf6813cc11ca364528c

Author: Zebediah Figura <z.figura12 at gmail.com>
Date:   Sun Nov 18 13:15:40 2018 -0600

xinput: Avoid calling XInputGetStateEx() in XInputGetState().

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46142
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Aric Stewart <aric at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/xinput1_3/xinput_main.c | 32 ++++++++++++++++++++------------
 1 file changed, 20 insertions(+), 12 deletions(-)

diff --git a/dlls/xinput1_3/xinput_main.c b/dlls/xinput1_3/xinput_main.c
index 56bb36a..f6e3e15 100644
--- a/dlls/xinput1_3/xinput_main.c
+++ b/dlls/xinput1_3/xinput_main.c
@@ -85,13 +85,31 @@ DWORD WINAPI XInputSetState(DWORD index, XINPUT_VIBRATION* vibration)
     return HID_set_state(&controllers[index], vibration);
 }
 
+/* Some versions of SteamOverlayRenderer hot-patch XInputGetStateEx() and call
+ * XInputGetState() in the hook, so we need a wrapper. */
+static DWORD xinput_get_state(DWORD index, XINPUT_STATE *state)
+{
+    HID_find_gamepads(controllers);
+
+    if (index >= XUSER_MAX_COUNT)
+        return ERROR_BAD_ARGUMENTS;
+    if (!controllers[index].connected)
+        return ERROR_DEVICE_NOT_CONNECTED;
+
+    HID_update_state(&controllers[index]);
+    memcpy(state, &controllers[index].state, sizeof(XINPUT_STATE));
+
+    return ERROR_SUCCESS;
+}
+
+
 DWORD WINAPI DECLSPEC_HOTPATCH XInputGetState(DWORD index, XINPUT_STATE* state)
 {
     DWORD ret;
 
     TRACE("(index %u, state %p)!\n", index, state);
 
-    ret = XInputGetStateEx(index, state);
+    ret = xinput_get_state(index, state);
     if (ret != ERROR_SUCCESS)
         return ret;
 
@@ -105,17 +123,7 @@ DWORD WINAPI DECLSPEC_HOTPATCH XInputGetStateEx(DWORD index, XINPUT_STATE* state
 {
     TRACE("(index %u, state %p)!\n", index, state);
 
-    HID_find_gamepads(controllers);
-
-    if (index >= XUSER_MAX_COUNT)
-        return ERROR_BAD_ARGUMENTS;
-    if (!controllers[index].connected)
-        return ERROR_DEVICE_NOT_CONNECTED;
-
-    HID_update_state(&controllers[index]);
-    memcpy(state, &controllers[index].state, sizeof(XINPUT_STATE));
-
-    return ERROR_SUCCESS;
+    return xinput_get_state(index, state);
 }
 
 DWORD WINAPI XInputGetKeystroke(DWORD index, DWORD reserved, PXINPUT_KEYSTROKE keystroke)