Initial commit

unix/xserver/hw/vnc/XorgGlue.c

@@ -0,0 +1,116 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * Copyright 2011-2015 Pierre Ossman for Cendio AB
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <assert.h>
+
+#include "scrnintstr.h"
+#ifdef RANDR
+#include "randrstr.h"
+#endif
+
+#include "XorgGlue.h"
+
+const char *vncGetDisplay(void)
+{
+  return display;
+}
+
+unsigned long vncGetServerGeneration(void)
+{
+  return serverGeneration;
+}
+
+void vncFatalError(const char *format, ...)
+{
+  va_list args;
+  char buffer[4096];
+
+  va_start(args, format);
+  vsnprintf(buffer, sizeof(buffer), format, args);
+  va_end(args);
+
+  FatalError("%s", buffer);
+}
+
+int vncGetScreenCount(void)
+{
+  return screenInfo.numScreens;
+}
+
+void vncGetScreenFormat(int scrIdx, int *depth, int *bpp,
+                        int *trueColour, int *bigEndian,
+                        int *redMask, int *greenMask, int *blueMask)
+{
+  int i;
+  VisualPtr vis = NULL;
+
+  assert(depth);
+  assert(bpp);
+  assert(trueColour);
+  assert(bigEndian);
+  assert(redMask);
+  assert(greenMask);
+  assert(blueMask);
+
+  *depth = screenInfo.screens[scrIdx]->rootDepth;
+
+  for (i = 0; i < screenInfo.numPixmapFormats; i++) {
+    if (screenInfo.formats[i].depth == *depth) {
+      *bpp = screenInfo.formats[i].bitsPerPixel;
+      break;
+    }
+  }
+
+  if (i == screenInfo.numPixmapFormats)
+    FatalError("No pixmap format for root depth\n");
+
+  *bigEndian = (screenInfo.imageByteOrder == MSBFirst);
+
+  for (i = 0; i < screenInfo.screens[scrIdx]->numVisuals; i++) {
+    if (screenInfo.screens[scrIdx]->visuals[i].vid == 
+        screenInfo.screens[scrIdx]->rootVisual) {
+      vis = &screenInfo.screens[scrIdx]->visuals[i];
+      break;
+    }
+  }
+
+  if (i == screenInfo.screens[scrIdx]->numVisuals)
+    FatalError("No visual record for root visual\n");
+
+  *trueColour = (vis->class == TrueColor);
+
+  *redMask = vis->redMask;
+  *greenMask = vis->greenMask;
+  *blueMask = vis->blueMask;
+}
+
+int vncGetScreenX(int scrIdx)
+{
+  return screenInfo.screens[scrIdx]->x;
+}
+
+int vncGetScreenY(int scrIdx)
+{
+  return screenInfo.screens[scrIdx]->y;
+}
+