diff options
| -rw-r--r-- | src/glx/glx_pbuffer.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/glx/glx_pbuffer.c b/src/glx/glx_pbuffer.c index f11305a41df..183fbaaa500 100644 --- a/src/glx/glx_pbuffer.c +++ b/src/glx/glx_pbuffer.c @@ -40,9 +40,10 @@ #ifdef GLX_USE_APPLEGL #include <pthread.h> #include "apple_glx_drawable.h" -#include "glx_error.h" #endif +#include "glx_error.h" + #define WARN_ONCE_GLX_1_3(a, b) { \ static int warned=1; \ if(warned) { \ @@ -279,7 +280,16 @@ GetDrawableAttribute(Display * dpy, GLXDrawable drawable, unsigned int num_attributes; GLboolean use_glx_1_3; - if ((dpy == NULL) || (drawable == 0)) { + if (dpy == NULL) + return 0; + + /* Page 38 (page 52 of the PDF) of glxencode1.3.pdf says: + * + * "If drawable is not a valid GLX drawable, a GLXBadDrawable error is + * generated." + */ + if (drawable == 0) { + __glXSendError(dpy, GLXBadDrawable, 0, X_GLXGetDrawableAttributes, false); return 0; } |