dri2: Check for dummyContext to see if the glx_context is valid

According to the comments in src/glx/glxcurrent.c __glXGetCurrentContext()
always returns a valid pointer. If no context is made current, it will
contain dummyContext. Thus a test for NULL will always fail.

https://bugzilla.opensuse.org/show_bug.cgi?id=962609

Tested-by: Olaf Hering <ohering@suse.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
This commit is contained in:
Egbert Eich 2016-04-21 15:02:53 +02:00 committed by Emil Velikov
parent 6d1a59d15b
commit 4d9b518ad2

View file

@ -514,7 +514,7 @@ dri2GetCurrentContext()
struct glx_context *gc = __glXGetCurrentContext();
struct dri2_context *dri2Ctx = (struct dri2_context *)gc;
return dri2Ctx ? dri2Ctx->driContext : NULL;
return (gc != &dummyContext) ? dri2Ctx->driContext : NULL;
}
/**