diff options
| -rw-r--r-- | backends/graphics/openglsdl/openglsdl-graphics.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/backends/graphics/openglsdl/openglsdl-graphics.cpp b/backends/graphics/openglsdl/openglsdl-graphics.cpp index 7ea1860d93..33c82b9fd6 100644 --- a/backends/graphics/openglsdl/openglsdl-graphics.cpp +++ b/backends/graphics/openglsdl/openglsdl-graphics.cpp @@ -348,6 +348,17 @@ void OpenGLSdlGraphicsManager::notifyVideoExpose() { void OpenGLSdlGraphicsManager::notifyResize(const uint width, const uint height) { #if SDL_VERSION_ATLEAST(2, 0, 0) + // We sometime get outdated resize events from SDL2. So check that the size we get + // is the actual current window size. If not ignore the resize. + // The issue for example occurs when switching from fullscreen to windowed mode or + // when switching between different fullscreen resolutions because SDL_DestroyWindow + // for a fullscreen window that doesn't have the SDL_WINDOW_FULLSCREEN_DESKTOP flag + // causes a SDL_WINDOWEVENT_RESIZED event with the old resolution to be sent, and this + // event is processed after recreating the window at the new resolution. + int currentWidth, currentHeight; + getWindowDimensions(¤tWidth, ¤tHeight); + if (width != currentWidth || height != currentHeight) + return; setActualScreenSize(width, height); _eventSource->resetKeyboadEmulation(width - 1, height - 1); #else |