xmesa: set back-buffer's drawable field

Fixes back-buffer rendering when MESA_BACK_BUFFER=pixmap

(cherry picked from master, commit 22bac2a1a0)
This commit is contained in:
Brian Paul 2009-03-09 16:28:50 -06:00
parent 549586c319
commit 2adaec1226

View file

@ -229,6 +229,7 @@ alloc_back_buffer(XMesaBuffer b, GLuint width, GLuint height)
}
b->backxrb->ximage = NULL;
b->backxrb->drawable = b->backxrb->pixmap;
}
}