diff options
| -rw-r--r-- | src/classes/com/sun/opengl/impl/x11/X11PbufferGLContext.java | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/impl/x11/X11PbufferGLContext.java b/src/classes/com/sun/opengl/impl/x11/X11PbufferGLContext.java index 5ff3bd86c..4207c7d99 100644 --- a/src/classes/com/sun/opengl/impl/x11/X11PbufferGLContext.java +++ b/src/classes/com/sun/opengl/impl/x11/X11PbufferGLContext.java @@ -110,6 +110,10 @@ public class X11PbufferGLContext extends X11GLContext { protected void releaseImpl() throws GLException { lockToolkit(); try { + if (drawable.getDisplay() == 0) { + throw new GLException("Pbuffer destroyed out from under application-created context"); + } + if (!GLX.glXMakeContextCurrent(drawable.getDisplay(), 0, 0, 0)) { throw new GLException("Error freeing OpenGL context"); } |