diff options
| -rw-r--r-- | src/glx/glxcmds.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c index 7016fdf2a8d..d9e370c1997 100644 --- a/src/glx/glxcmds.c +++ b/src/glx/glxcmds.c @@ -481,7 +481,7 @@ glXWaitGL(void) { struct glx_context *gc = __glXGetCurrentContext(); - if (gc && gc->vtable->wait_gl) + if (gc && gc->vtable && gc->vtable->wait_gl) gc->vtable->wait_gl(gc); } @@ -494,7 +494,7 @@ glXWaitX(void) { struct glx_context *gc = __glXGetCurrentContext(); - if (gc && gc->vtable->wait_x) + if (gc && gc->vtable && gc->vtable->wait_x) gc->vtable->wait_x(gc); } @@ -503,7 +503,7 @@ glXUseXFont(Font font, int first, int count, int listBase) { struct glx_context *gc = __glXGetCurrentContext(); - if (gc && gc->vtable->use_x_font) + if (gc && gc->vtable && gc->vtable->use_x_font) gc->vtable->use_x_font(gc, font, first, count, listBase); } @@ -2344,7 +2344,7 @@ __glXBindTexImageEXT(Display * dpy, { struct glx_context *gc = __glXGetCurrentContext(); - if (gc == NULL || gc->vtable->bind_tex_image == NULL) + if (gc == NULL || gc->vtable == NULL || gc->vtable->bind_tex_image == NULL) return; gc->vtable->bind_tex_image(dpy, drawable, buffer, attrib_list); @@ -2355,7 +2355,7 @@ __glXReleaseTexImageEXT(Display * dpy, GLXDrawable drawable, int buffer) { struct glx_context *gc = __glXGetCurrentContext(); - if (gc == NULL || gc->vtable->release_tex_image == NULL) + if (gc == NULL || gc->vtable == NULL || gc->vtable->release_tex_image == NULL) return; gc->vtable->release_tex_image(dpy, drawable, buffer); |