1 files changed, 55 insertions, 0 deletions
diff --git a/src/glut/glx/layerutil.h b/src/glut/glx/layerutil.h
new file mode 100644
index 00000000000..34610774090
--- /dev/null
+++ b/src/glut/glx/layerutil.h
@@ -0,0 +1,55 @@
+#ifndef __layerutil_h__
+#define __layerutil_h__
+
+/* Copyright (c) Mark J. Kilgard, 1993, 1994. */
+
+/* This program is freely distributable without licensing fees 
+   and is provided without guarantee or warrantee expressed or 
+   implied. This program is -not- in the public domain. */
+
+/* Based on XLayerUtil.h: Revision: 1.3 */
+
+#if !defined(_WIN32)
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xmd.h>
+#endif /* !_WIN32 */
+
+/* Transparent type values */
+/* None                       0 */
+#define TransparentPixel      1
+#define TransparentMask       2
+
+/* layered visual info template flags */
+#define VisualLayerMask		0x200
+#define VisualTransparentType	0x400
+#define VisualTransparentValue	0x800
+#define VisualAllLayerMask	0xFFF
+
+/* layered visual info structure */
+typedef struct _XLayerVisualInfo {
+  XVisualInfo vinfo;
+  long layer;
+  long type;
+  unsigned long value;
+} XLayerVisualInfo;
+
+/* SERVER_OVERLAY_VISUALS property element */
+typedef struct _OverlayInfo {
+  /* Avoid 64-bit portability problems by being careful to use
+     longs due to the way XGetWindowProperty is specified. Note
+     that these parameters are passed as CARD32s over X
+     protocol. */
+  long overlay_visual;
+  long transparent_type;
+  long value;
+  long layer;
+} OverlayInfo;
+
+extern int __glutGetTransparentPixel(Display *, XVisualInfo *);
+extern XLayerVisualInfo *__glutXGetLayerVisualInfo(Display *,
+  long, XLayerVisualInfo *, int *);
+extern Status __glutXMatchLayerVisualInfo(Display *,
+  int, int, int, int, XLayerVisualInfo *);
+
+#endif /* __layerutil_h__ */