diff options
| -rw-r--r-- | src/mesa/drivers/x11/fakeglx.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/src/mesa/drivers/x11/fakeglx.c b/src/mesa/drivers/x11/fakeglx.c index c060711cac6..37b5e2f2b32 100644 --- a/src/mesa/drivers/x11/fakeglx.c +++ b/src/mesa/drivers/x11/fakeglx.c @@ -1532,16 +1532,18 @@ void _kw_ungrab_all( Display *dpy ) static void Fake_glXDestroyContext( Display *dpy, GLXContext ctx ) { - struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx; - (void) dpy; - MakeCurrent_PrevContext = 0; - MakeCurrent_PrevDrawable = 0; - MakeCurrent_PrevReadable = 0; - MakeCurrent_PrevDrawBuffer = 0; - MakeCurrent_PrevReadBuffer = 0; - XMesaDestroyContext( glxCtx->xmesaContext ); - XMesaGarbageCollect(dpy); - free(glxCtx); + if (ctx) { + struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx; + (void) dpy; + MakeCurrent_PrevContext = 0; + MakeCurrent_PrevDrawable = 0; + MakeCurrent_PrevReadable = 0; + MakeCurrent_PrevDrawBuffer = 0; + MakeCurrent_PrevReadBuffer = 0; + XMesaDestroyContext( glxCtx->xmesaContext ); + XMesaGarbageCollect(dpy); + free(glxCtx); + } } |