/*
Simple DirectMedia Layer
- Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+ Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
return(X_handler(d,e));
}
-static SDL_bool have_mitshm(void)
+static SDL_bool have_mitshm(Display *dpy)
{
/* Only use shared memory on local X servers */
- if ( (SDL_strncmp(X11_XDisplayName(NULL), ":", 1) == 0) ||
- (SDL_strncmp(X11_XDisplayName(NULL), "unix:", 5) == 0) ) {
- return SDL_X11_HAVE_SHM;
- }
- return SDL_FALSE;
+ return X11_XShmQueryExtension(dpy) ? SDL_X11_HAVE_SHM : SDL_FALSE;
}
#endif /* !NO_SHARED_MEMORY */
/* Create the actual image */
#ifndef NO_SHARED_MEMORY
- if (have_mitshm()) {
+ if (have_mitshm(display)) {
XShmSegmentInfo *shminfo = &data->shminfo;
shminfo->shmid = shmget(IPC_PRIVATE, window->h*(*pitch), IPC_CREAT | 0777);