1 files changed, 95 insertions, 0 deletions
diff --git a/examples/opengl/overlay_x11/utilities/sovinfo/sovinfo.c b/examples/opengl/overlay_x11/utilities/sovinfo/sovinfo.c
new file mode 100644
index 0000000..059050c
--- /dev/null
+++ b/examples/opengl/overlay_x11/utilities/sovinfo/sovinfo.c
@@ -0,0 +1,95 @@
+
+/* 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. */
+
+/* compile: cc -o sovinfo sovinfo.c sovLayerUtil.c -lX11 */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "sovLayerUtil.h"
+
+int
+main(int argc, char *argv[])
+{
+  Display *dpy;
+  char *display_name, *arg, *class;
+  sovVisualInfo template, *lvinfo;
+  int nVisuals, i, overlaysOnly = 0;
+
+  display_name = NULL;
+  for (i = 1; i < argc; i++) {
+    arg = argv[i];
+    if (!strcmp(arg, "-display")) {
+      if (++i >= argc) {
+        fprintf(stderr, "sovinfo: missing argument to -display\n");
+        exit(1);
+      }
+      display_name = argv[i];
+    } else if (!strcmp(arg, "-overlays_only")) {
+      overlaysOnly = 1;
+    } else {
+      fprintf(stderr,
+        "usage: sovinfo [-display dpy] [-overlays_only]\n");
+      exit(1);
+    }
+  }
+  dpy = XOpenDisplay(display_name);
+  if (dpy == NULL) {
+    fprintf(stderr, "sovinfo: cannot open display %s\n",
+      XDisplayName(NULL));
+    exit(1);
+  }
+  lvinfo = sovGetVisualInfo(dpy, 0L, &template, &nVisuals);
+  for (i = 0; i < nVisuals; i++) {
+    if (!overlaysOnly || lvinfo[i].layer > 0) {
+      printf("  Visual ID: 0x%x\n", lvinfo[i].vinfo.visualid);
+      printf("    screen: %d\n", lvinfo[i].vinfo.screen);
+      printf("    depth: %d\n", lvinfo[i].vinfo.depth);
+      switch (lvinfo[i].vinfo.class) {
+      case StaticGray:
+        class = "StaticGray";
+        break;
+      case GrayScale:
+        class = "GrayScale";
+        break;
+      case StaticColor:
+        class = "StaticColor";
+        break;
+      case PseudoColor:
+        class = "PseudoColor";
+        break;
+      case TrueColor:
+        class = "TrueColor";
+        break;
+      case DirectColor:
+        class = "DirectColor";
+        break;
+      default:
+        class = "Unknown";
+        break;
+      }
+      printf("    class: %s\n", class);
+      switch (lvinfo[i].type) {
+      case None:
+        printf("    transparent type: None\n");
+        break;
+      case TransparentPixel:
+        printf("    transparent type: TransparentPixel\n");
+        printf("    pixel value: %d\n", lvinfo[i].value);
+        break;
+      case TransparentMask:
+        printf("    transparent type: TransparentMask\n");
+        printf("    transparency mask: %0x%x\n", lvinfo[i].value);
+        break;
+      default:
+        printf("    transparent type: Unknown or invalid\n");
+        break;
+      }
+      printf("    layer: %d\n", lvinfo[i].layer);
+    }
+  }
+  return 0;
+}