diff --git a/src/native/macosx/org_lwjgl_opengl_Display.m b/src/native/macosx/org_lwjgl_opengl_Display.m index 397c99b3..045b57ec 100644 --- a/src/native/macosx/org_lwjgl_opengl_Display.m +++ b/src/native/macosx/org_lwjgl_opengl_Display.m @@ -457,8 +457,18 @@ JNIEXPORT jobject JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_nCreateWindow(JNIE [window_info->window setContentView:window_info->view]; + // disable any fixed backbuffer size to allow resizing + CGLContextObj cgcontext = (CGLContextObj)[[window_info->view openGLContext] CGLContextObj]; + CGLDisable(cgcontext, kCGLCESurfaceBackingSize); } else { + // set a fixed backbuffer size for fullscreen + CGLContextObj cgcontext = (CGLContextObj)[[window_info->view openGLContext] CGLContextObj]; + GLint dim[2] = {width, height}; + CGLSetParameter(cgcontext, kCGLCPSurfaceBackingSize, dim); + CGLEnable(cgcontext, kCGLCESurfaceBackingSize); + + // enter fullscreen mode [window_info->view enterFullScreenMode: [NSScreen mainScreen] withOptions: nil ]; window_info->window = [window_info->view window];