2 files changed, 8 insertions, 1 deletions
diff --git a/src/net/java/games/jogl/impl/windows/WindowsGLContext.java b/src/net/java/games/jogl/impl/windows/WindowsGLContext.java
index d26a88cc7..37a3f5359 100644
--- a/src/net/java/games/jogl/impl/windows/WindowsGLContext.java
+++ b/src/net/java/games/jogl/impl/windows/WindowsGLContext.java
@@ -61,6 +61,7 @@ public abstract class WindowsGLContext extends GLContext {
   private GLProcAddressTable glProcAddressTable;
   // Handle to GLU32.dll
   private long hglu32;
+  private boolean haveWGLARBPbuffer = true;
 
   private static final int MAX_PFORMATS = 256;
   private static final int MAX_ATTRIBS  = 256;
@@ -150,6 +151,8 @@ public abstract class WindowsGLContext extends GLContext {
 
     if (created) {
       resetGLFunctionAvailability();
+      haveWGLARBPbuffer = (isExtensionAvailable("WGL_ARB_pbuffer") &&
+                           isExtensionAvailable("WGL_ARB_pixel_format"));
       // Windows can set up sharing of display lists after creation time
       WindowsGLContext other = (WindowsGLContext) GLContextShareSet.getShareContext(this);
       if (other != null) {
@@ -681,4 +684,8 @@ public abstract class WindowsGLContext extends GLContext {
   protected static String hdcToString(long hdc) {
     return "0x" + Long.toHexString(hdc);
   }
+
+  protected boolean haveWGLARBPbuffer() {
+    return haveWGLARBPbuffer;
+  }
 }
diff --git a/src/net/java/games/jogl/impl/windows/WindowsOnscreenGLContext.java b/src/net/java/games/jogl/impl/windows/WindowsOnscreenGLContext.java
index 1838f62aa..de13be0a1 100644
--- a/src/net/java/games/jogl/impl/windows/WindowsOnscreenGLContext.java
+++ b/src/net/java/games/jogl/impl/windows/WindowsOnscreenGLContext.java
@@ -102,7 +102,7 @@ public class WindowsOnscreenGLContext extends WindowsGLContext {
   }
 
   public boolean canCreatePbufferContext() {
-    return true;
+    return haveWGLARBPbuffer();
   }
 
   public synchronized GLContext createPbufferContext(GLCapabilities capabilities,