Added test program for SDL_CreateWindowFrom()

Make sure OpenGL library is loaded before working with OpenGL windows,
even those created with SDL_CreateWindowFrom()

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403521

1 files changed, 42 insertions, 0 deletions

diff --git a/test/testnativex11.c b/test/testnativex11.c
new file mode 100644
index 00000000..0f84aa97
--- /dev/null
+++ b/test/testnativex11.c
@@ -0,0 +1,42 @@
+
+#include "testnative.h"
+
+#ifdef TEST_NATIVE_X11
+
+static void *CreateWindowX11(int w, int h);
+static void DestroyWindowX11(void *window);
+
+NativeWindowFactory X11WindowFactory = {
+    "x11",
+    CreateWindowX11,
+    DestroyWindowX11
+};
+
+static Display *dpy;
+
+static void *
+CreateWindowX11(int w, int h)
+{
+    Window window = 0;
+
+    dpy = XOpenDisplay(NULL);
+    if (dpy) {
+        window =
+            XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0, w, h, 0, 0,
+                                0);
+        XMapRaised(dpy, window);
+        XSync(dpy, False);
+    }
+    return (void *) window;
+}
+
+static void
+DestroyWindowX11(void *window)
+{
+    if (dpy) {
+        XDestroyWindow(dpy, (Window) window);
+        XCloseDisplay(dpy);
+    }
+}
+
+#endif