1 files changed, 104 insertions, 16 deletions

diff --git a/xorg-server/hw/xwin/glx/winpriv.c b/xorg-server/hw/xwin/glx/winpriv.c
index 4f6e4ffd5..4f2bc21a8 100644
--- a/xorg-server/hw/xwin/glx/winpriv.c
+++ b/xorg-server/hw/xwin/glx/winpriv.c
@@ -11,6 +11,8 @@
 #include "winpriv.h"
 #include "winwindow.h"
 
+extern Bool			g_fXdmcpEnabled;
+
 void
  winCreateWindowsWindow(WindowPtr pWin);
 
@@ -21,7 +23,8 @@ void
 HWND
 winGetWindowInfo(WindowPtr pWin)
 {
-    winTrace("%s: pWin %p XID 0x%x\n", __FUNCTION__, pWin, pWin->drawable.id);
+    HWND hwnd = NULL;
+    winDebug("%s:%d pWin %p XID 0x%x\n", __FUNCTION__, __LINE__, pWin, pWin->drawable.id);
 
     /* a real window was requested */
     if (pWin != NULL) {
@@ -29,11 +32,10 @@ winGetWindowInfo(WindowPtr pWin)
         ScreenPtr pScreen = pWin->drawable.pScreen;
         winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
         winScreenInfoPtr pScreenInfo = NULL;
-        HWND hwnd = NULL;
 
         if (pWinScreen == NULL) {
             ErrorF("winGetWindowInfo: screen has no privates\n");
-            return NULL;
+            return hwnd;
         }
 
         hwnd = pWinScreen->hwndScreen;
@@ -50,19 +52,103 @@ winGetWindowInfo(WindowPtr pWin)
             }
 
             if (pWinPriv->hWnd == NULL) {
+              if (pWin->parent && pWin->parent->parent)
+              {
+                int offsetx;
+                int offsety;
+                int ExtraClass=(pWin->realized)?WS_VISIBLE:0;
+                HWND hWndParent;
+                WindowPtr pParent=pWin->parent;
+                while (pParent)
+                {
+                  winWindowPriv(pParent);
+                  hWndParent=pWinPriv->hWnd;
+                  if (hWndParent)
+                    break;
+                  pParent=pParent->parent;
+                }
+                if (!hWndParent)
+                  hWndParent=hwnd;
+                if (pParent)
+                {
+                  offsetx=pParent->drawable.x;
+                  offsety=pParent->drawable.y;
+                }
+                else
+                {
+                  offsetx=0;
+                  offsety=0;
+                }
+                pWinPriv->hWnd=CreateWindowExA(WS_EX_TRANSPARENT,
+                             WIN_GL_WINDOW_CLASS,
+                             "",
+                             WS_CHILD |WS_CLIPSIBLINGS | WS_CLIPCHILDREN  | ExtraClass,
+                             pWin->drawable.x-offsetx,
+                             pWin->drawable.y-offsety,
+                             pWin->drawable.width,
+                             pWin->drawable.height,
+                             hWndParent,
+                             NULL,
+                             GetModuleHandle(NULL),
+                             NULL);
+                winDebug("Window created %x %x %d %d %d %d\n",pWinPriv->hWnd,hWndParent,pWin->drawable.x-offsetx,pWin->drawable.y-offsety,pWin->drawable.width, pWin->drawable.height);
+                pWinPriv->fWglUsed=TRUE;
+              }
+              else
+              {
                 winCreateWindowsWindow(pWin);
-                ErrorF("winGetWindowInfo: forcing window to exist...\n");
+                winDebug("winGetWindowInfo: forcing window to exist...\n");
+              }
             }
-
             if (pWinPriv->hWnd != NULL) {
                 /* copy window handle */
                 hwnd = pWinPriv->hWnd;
-
-                /* mark GLX active on that hwnd */
-                pWinPriv->fWglUsed = TRUE;
             }
+        }
+        else if (g_fXdmcpEnabled)
+        {
+            winWindowPriv(pWin);
 
-            return hwnd;
+            if (pWinPriv == NULL)
+            {
+                ErrorF("winGetWindowInfo: window has no privates\n");
+                return hwnd;
+            }
+            if (pWinPriv->hWnd == NULL)
+            {
+              if (!((pWin->drawable.x==0) &&
+                     (pWin->drawable.y==0) &&
+                     (pWin->drawable.width==pScreen->width) &&
+                     (pWin->drawable.height==pScreen->height)
+                    )
+                  )
+              {
+                int ExtraClass=(pWin->realized)?WS_VISIBLE:0;
+                pWinPriv->hWnd=CreateWindowExA(WS_EX_TRANSPARENT,
+                             WIN_GL_WINDOW_CLASS,
+                             "",
+                             WS_CHILD |WS_CLIPSIBLINGS | WS_CLIPCHILDREN  | ExtraClass,
+                             pWin->drawable.x,
+                             pWin->drawable.y,
+                             pWin->drawable.width,
+                             pWin->drawable.height,
+                             pWinScreen->hwndScreen,
+                             NULL,
+                             GetModuleHandle(NULL),
+                             NULL);
+                pWinPriv->fWglUsed=TRUE;
+                /* copy size and window handle */
+                hwnd = pWinPriv->hWnd;
+              }
+              else
+              {
+                hwnd = pWinScreen->hwndScreen;
+              }
+            }
+            else
+            {
+              hwnd = pWinPriv->hWnd;
+            }
         }
 #endif
 #ifdef XWIN_MULTIWINDOWEXTWM
@@ -73,14 +159,12 @@ winGetWindowInfo(WindowPtr pWin)
 
             if (pRLWinPriv == NULL) {
                 ErrorF("winGetWindowInfo: window has no privates\n");
-                return hwnd;
             }
 
             if (pRLWinPriv->hWnd != NULL) {
                 /* copy window handle */
                 hwnd = pRLWinPriv->hWnd;
             }
-            return hwnd;
         }
 #endif
     }
@@ -90,15 +174,16 @@ winGetWindowInfo(WindowPtr pWin)
 
         if (pWinScreen == NULL) {
             ErrorF("winGetWindowInfo: screen has no privates\n");
-            return NULL;
         }
+        else
+        {
+            winDebug("winGetWindowInfo: returning root window\n");
 
-        ErrorF("winGetWindowInfo: returning root window\n");
-
-        return pWinScreen->hwndScreen;
+            hwnd=pWinScreen->hwndScreen;
+        }
     }
 
-    return NULL;
+    return hwnd;
 }
 
 Bool
@@ -117,5 +202,8 @@ winCheckScreenAiglxIsSupported(ScreenPtr pScreen)
         return TRUE;
 #endif
 
+  if (g_fXdmcpEnabled)
+    return TRUE;
+
     return FALSE;
 }