dispatch_table_t *
dispatch_table_get_base ()
{
static dispatch_table_t dispatch;
static bool table_initialized = false;
mutex_lock (dispatch_table_mutex);
/* In case two threads got here at the same time, we want to return
* the dispatch table if another thread already initialized it */
if (table_initialized) {
mutex_unlock (dispatch_table_mutex);
return &dispatch;
}
FunctionPointerType *temp = NULL;
temp = (FunctionPointerType *) &real_eglInitialize;
*temp = dlsym (libegl_handle (), "eglInitialize");
temp = (FunctionPointerType *) &real_eglGetDisplay;
*temp = dlsym (libegl_handle (), "eglGetDisplay");
real_eglInitialize (real_eglGetDisplay (EGL_DEFAULT_DISPLAY), NULL, NULL);
dispatch_table_fill_base (&dispatch);
table_initialized = true;
mutex_unlock (dispatch_table_mutex);
return &dispatch;
}
EGLDisplay eglGetDisplay(NativeDisplayType native_display) {
#ifdef X11EGLRPI_EXPERIMENTAL_DLSYM
real_eglGetDisplay = dlsym(RTLD_NEXT, "eglGetDisplay");
real_eglCreateWindowSurface = dlsym(RTLD_NEXT,"eglCreateWindowSurface");
real_eglSwapBuffers= dlsym(RTLD_NEXT,"eglSwapBuffers");
#endif
if ( native_display == EGL_DEFAULT_DISPLAY) {
x11_enabled=0;
return real_eglGetDisplay(native_display);
}
x11_enabled=1;
puts("Getting an X11 EGL Display.");
bcm_host_init();
display = (Display*)native_display;
root = DefaultRootWindow(display);
edisplay = real_eglGetDisplay(EGL_DEFAULT_DISPLAY);
return edisplay;
}