1 files changed, 25 insertions, 9 deletions

diff --git a/xorg-server/glx/glxdriswrast.c b/xorg-server/glx/glxdriswrast.c
index c9962dc81..0523710fb 100644
--- a/xorg-server/glx/glxdriswrast.c
+++ b/xorg-server/glx/glxdriswrast.c
@@ -27,6 +27,7 @@
 #ifdef HAVE_DIX_CONFIG_H
 #include <dix-config.h>
 #endif
+#include "glheader.h"
 
 #include <stdint.h>
 #include <stdio.h>
@@ -50,13 +51,6 @@
 
 #include "extension_string.h"
 
-/* RTLD_LOCAL is not defined on Cygwin */
-#ifdef __CYGWIN__
-#ifndef RTLD_LOCAL
-#define RTLD_LOCAL 0
-#endif
-#endif
-
 typedef struct __GLXDRIscreen __GLXDRIscreen;
 typedef struct __GLXDRIcontext __GLXDRIcontext;
 typedef struct __GLXDRIdrawable __GLXDRIdrawable;
@@ -237,14 +231,18 @@ __glXDRIscreenDestroy(__GLXscreen * baseScreen)
 
     (*screen->core->destroyScreen) (screen->driScreen);
 
+#ifdef _MSC_VER
+    FreeLibrary(screen->driver);
+#else
     dlclose(screen->driver);
+#endif
 
     __glXScreenDestroy(baseScreen);
 
     if (screen->driConfigs) {
         for (i = 0; screen->driConfigs[i] != NULL; i++)
             free((__DRIconfig **) screen->driConfigs[i]);
-        free(screen->driConfigs);
+        free((void*)screen->driConfigs);
     }
 
     free(screen);
@@ -333,6 +331,13 @@ __glXDRIscreenCreateDrawable(ClientPtr client,
     private->driDrawable =
         (*driScreen->swrast->createNewDrawable) (driScreen->driScreen,
                                                  config->driConfig, private);
+    if (!private->driDrawable)
+    {
+        FreeGC(private->gc, (GContext)0);
+        FreeGC(private->swapgc, (GContext)0);
+        free(private);
+        return NULL;
+    }
 
     return &private->base;
 }
@@ -425,11 +430,18 @@ initializeExtensions(__GLXDRIscreen * screen)
     }
 }
 
+extern Bool g_fswrastwgl;
+
 static __GLXscreen *
 __glXDRIscreenProbe(ScreenPtr pScreen)
 {
-    const char *driverName = "swrast";
+    const char *driverName;
     __GLXDRIscreen *screen;
+    
+    if (g_fswrastwgl)
+      driverName = "swrastwgl";
+    else
+      driverName = "swrast";
 
     screen = calloc(1, sizeof *screen);
     if (screen == NULL)
@@ -478,7 +490,11 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
 
  handle_error:
     if (screen->driver)
+#ifdef _MSC_VER
+        FreeLibrary(screen->driver);
+#else
         dlclose(screen->driver);
+#endif
 
     free(screen);