1 files changed, 54 insertions, 0 deletions
diff --git a/examples/opengl/overlay_x11/utilities/sovinfo/sovLayerUtil.h b/examples/opengl/overlay_x11/utilities/sovinfo/sovLayerUtil.h
new file mode 100644
index 000000000..f45423a8d
--- /dev/null
+++ b/examples/opengl/overlay_x11/utilities/sovinfo/sovLayerUtil.h
@@ -0,0 +1,54 @@
+#ifndef __sovLayerUtil_h__
+#define __sovLayerUtil_h__
+
+/* Copyright (c) Mark J. Kilgard, 1996. */
+
+/* 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. */
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xmd.h>
+
+/* 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 _sovVisualInfo {
+   XVisualInfo vinfo;
+   int layer;
+   int type;
+   unsigned long value;
+} sovVisualInfo;
+
+/* SERVER_OVERLAY_VISUALS property element */
+typedef struct _sovOverlayInfo {
+   long  overlay_visual;
+   long  transparent_type;
+   long  value;
+   long  layer;
+} sovOverlayInfo;
+
+extern sovVisualInfo *sovGetVisualInfo(
+  Display *display,
+  long lvinfo_mask,
+  sovVisualInfo *lvinfo_template,
+  int *nitems_return);
+extern Status sovMatchVisualInfo(
+  Display *display,
+  int screen,
+  int depth,
+  int class,
+  int layer,
+  sovVisualInfo *lvinfo_return);
+
+#endif /* __sovLayerUtil_h__ */