Fix deadlock with negative swap interval on Aero

Fixes #587.
ago%!(EXTRA string=10 years) · 255f9f0234
parent ba4504a9c7
commit 255f9f0234
1 changed files with 1 additions and 1 deletions
--- a/src/wgl_context.c
+++ b/src/wgl_context.c
@ -602,7 +602,7 @@ void _glfwPlatformSwapBuffers(_GLFWwindow* window)
    // HACK: Use DwmFlush when desktop composition is enabled
    if (_glfwIsCompositionEnabled() && !window->monitor)
    {
-        int count = window->wgl.interval;
+        int count = abs(window->wgl.interval);
        while (count--)
            _glfw_DwmFlush();
    }