-enabled x11grab &&
-require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
-require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
-{ enabled xlib || die "ERROR: Xlib not found"; }
+if enabled libxcb || enabled x11grab && ! disabled libxcb; then
+ check_pkg_config xcb-shape xcb/shape.h xcb_shape_rectangles || {
+ enabled libxcb && die "ERROR: libxcb not found";
+ } && disable x11grab && enable libxcb
+
+ disabled libxcb_shm ||
+ check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
+ enabled libxcb_shm && die "ERROR: libxcb_shm not found";
+ } && check_header sys/shm.h && enable libxcb_shm
+
+ disabled libxcb_xfixes ||
+ check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
+ enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
+ } && enable libxcb_xfixes
+
+ add_cflags "$xcb_event_cflags $xcb_shm_cflags $xcb_xfixes_cflags"
+ add_extralibs "$xcb_event_libs $xcb_shm_libs $xcb_xfixes_libs"
+fi
+
+if enabled x11grab; then
+ enabled xlib || die "ERROR: Xlib not found"
+ require Xext X11/extensions/XShm.h XShmCreateImage -lXext
+ require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
+fi
+
+enabled d3d11_h &&
+ check_cc <<EOF && enable d3d11_cobj
+#define _WIN32_WINNT 0x0600
+#define COBJMACROS
+#include <windows.h>
+#include <d3d11.h>
+int main(void) { ID3D11VideoDecoder *o = NULL; ID3D11VideoDecoder_Release(o); return 0; }
+EOF
+
+enabled vaapi && enabled xlib &&
+ check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
+ enable vaapi_x11