joy.cpl: Fix high CPU load in FF test window.

If no effects are in the effects list, the loop in ff_input_thread is immediately restarted, skipping the poll interval. This causes an incredibly high refresh rate, which maxes out at least one CPU core. Signed-off-by: Tim Schumacher <timschumi@gmx.de> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

joy.cpl: Fix high CPU load in FF test window.
f5bf3630 · Tim Schumacher · Alexandre Julliard · 8bc52f52 · f5bf3630
Commit f5bf3630 authored May 19, 2019 by Tim Schumacher Committed by Alexandre Julliard May 20, 2019
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main.c dlls/joy.cpl/main.c +2 -2

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--- a/dlls/joy.cpl/main.c
+++ b/dlls/joy.cpl/main.c
@@ -678,6 +678,8 @@ static DWORD WINAPI ff_input_thread(void *param)
        DWORD flags = DIEP_AXES | DIEP_DIRECTION | DIEP_NORESTART;
        RECT r;
+        Sleep(TEST_POLL_TIME);
        /* Skip this if we have no effects */
        if (joy->num_effects == 0 || chosen_effect < 0) continue;
@@ -702,8 +704,6 @@ static DWORD WINAPI ff_input_thread(void *param)
                IDirectInputEffect_Start(joy->effects[chosen_effect].effect, 1, 0);
                break;
            }
-        Sleep(TEST_POLL_TIME);
    }
    return 0;