From 2e4def74ad9278c142d07ffa91f51035dc49cf77 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Fri, 20 Nov 2009 07:14:40 +0000
Subject: Checked in glx of cygwin-aiglx branch of
 git://anongit.freedesktop.org/~jturney/xserver

---
 xorg-server/hw/xwin/glx/winpriv.c | 130 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 xorg-server/hw/xwin/glx/winpriv.c

(limited to 'xorg-server/hw/xwin/glx/winpriv.c')

diff --git a/xorg-server/hw/xwin/glx/winpriv.c b/xorg-server/hw/xwin/glx/winpriv.c
new file mode 100644
index 000000000..3260ca95c
--- /dev/null
+++ b/xorg-server/hw/xwin/glx/winpriv.c
@@ -0,0 +1,130 @@
+/*
+ * Export window information for the Windows-OpenGL GLX implementation.
+ *
+ * Authors: Alexander Gottwald
+ */
+
+#ifdef HAVE_XWIN_CONFIG_H
+#include <xwin-config.h>
+#endif
+#include "win.h"
+#include "winpriv.h"
+#include "winwindow.h"
+
+void
+winCreateWindowsWindow (WindowPtr pWin);
+/**
+ * Return size and handles of a window.
+ * If pWin is NULL, then the information for the root window is requested.
+ */
+void winGetWindowInfo(WindowPtr pWin, winWindowInfoPtr pWinInfo)
+{
+    /* Sanity check */
+    if (pWinInfo == NULL)
+        return;
+
+    winDebug("%s:%d pWin=%p\n", __FUNCTION__, __LINE__, pWin);
+
+    /* a real window was requested */
+    if (pWin != NULL)
+    {
+        /* Get the window and screen privates */
+        ScreenPtr pScreen = pWin->drawable.pScreen;
+        winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
+        winScreenInfoPtr pScreenInfo = NULL;
+
+        if (pWinScreen == NULL)
+        {
+            ErrorF("winGetWindowInfo: screen has no privates\n");
+            return;
+        }
+
+        pWinInfo->hwnd = pWinScreen->hwndScreen;
+
+        pScreenInfo = pWinScreen->pScreenInfo;
+#ifdef XWIN_MULTIWINDOW
+        /* check for multiwindow mode */
+        if (pScreenInfo->fMultiWindow)
+        {
+            winWindowPriv(pWin);
+
+            if (pWinPriv == NULL)
+            {
+                ErrorF("winGetWindowInfo: window has no privates\n");
+                return;
+            }
+
+            if (pWinPriv->hWnd == NULL)
+            {
+              winCreateWindowsWindow(pWin);
+              ErrorF("winGetWindowInfo: forcing window to exist...\n");
+            }
+
+            if (pWinPriv->hWnd != NULL)
+              {
+                /* copy window handle */
+                pWinInfo->hwnd = pWinPriv->hWnd;
+              }
+
+            return;
+        }
+#endif
+#ifdef XWIN_MULTIWINDOWEXTWM
+        /* check for multiwindow external wm mode */
+        if (pScreenInfo->fMWExtWM)
+        {
+            win32RootlessWindowPtr pRLWinPriv
+                = (win32RootlessWindowPtr) RootlessFrameForWindow (pWin, FALSE);
+
+            if (pRLWinPriv == NULL) {
+                ErrorF("winGetWindowInfo: window has no privates\n");
+                return;
+            }
+
+            if (pRLWinPriv->hWnd != NULL)
+            {
+                /* copy window handle */
+                pWinInfo->hwnd = pRLWinPriv->hWnd;
+            }
+            return;
+        }
+#endif
+    }
+    else
+    {
+        ScreenPtr pScreen = g_ScreenInfo[0].pScreen;
+        winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
+
+        pWinInfo->hwnd = NULL;
+
+        if (pWinScreen == NULL)
+        {
+            ErrorF("winGetWindowInfo: screen has no privates\n");
+            return;
+        }
+
+        ErrorF("winGetWindowInfo: returning root window\n");
+
+        pWinInfo->hwnd = pWinScreen->hwndScreen;
+    }
+    return;
+}
+
+Bool
+winCheckScreenAiglxIsSupported(ScreenPtr pScreen)
+{
+  winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
+  winScreenInfoPtr pScreenInfo = pWinScreen->pScreenInfo;
+
+#ifdef XWIN_MULTIWINDOW
+  if (pScreenInfo->fMultiWindow)
+    return TRUE;
+#endif
+
+#ifdef XWIN_MULTIWINDOWEXTWM
+  if (pScreenInfo->fMWExtWM)
+    return TRUE;
+#endif
+
+  return FALSE;
+}
-- 
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