Fix screen flicker when alt-tab is pressed in borderless fullscreen m…

…ode. See https://gamedev.stackexchange.com/questions/150031/winapi-opengl-borderless-fullscreen-alt-tab-problems Related: #2864
gonetz · Sep 8, 2024 · a388812 · a388812
1 parent 7294f02
commit a388812
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/Graphics/OpenGLContext/windows/windows_DisplayWindow.cpp b/src/Graphics/OpenGLContext/windows/windows_DisplayWindow.cpp
@@ -198,7 +198,7 @@ bool DisplayWindowWindows::_borderlessDevice()
 			m_screenHeight = static_cast<u32>(deviceMode.dmPelsHeight);
 			m_heightOffset = 0;
 			_setBufferSize();
-			return (SetWindowPos(hWnd, NULL, 0, 0, m_screenWidth, m_screenHeight, SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW) == TRUE);
+			return (SetWindowPos(hWnd, NULL, 0, 0, m_screenWidth + 1, m_screenHeight, SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW) == TRUE);
 		}
 	}
 
@@ -213,7 +213,7 @@ bool DisplayWindowWindows::_borderlessDevice()
 			m_screenHeight = std::abs(monitors.rcMonitors[i].top - monitors.rcMonitors[i].bottom);
 			m_heightOffset = 0;
 			_setBufferSize();
-			return (SetWindowPos(hWnd, NULL, X, Y, m_screenWidth, m_screenHeight, SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW) == TRUE);
+			return (SetWindowPos(hWnd, NULL, X, Y, m_screenWidth + 1, m_screenHeight, SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW) == TRUE);
 		}
 	}
 	return false;